Thytronic NV10P Manuel utilisateur

NV10P - Manual - 01 - 2015

MANUAL

NV10P

MULTIFUNCTION VOLTAGE AND FREQUENCY

PROTECTION RELAY

This document applies to NV10P devices with ﬁrmware release 3.20 and following.

2NV10P - Manual - 01 - 2015

TABLE OF CONTENTS

1 INTRODUCTION 5

Scope and liability...........................................................................................................................................................................................5

Applicability......................................................................................................................................................................................................5

Conformity ........................................................................................................................................................................................................5

Technical support............................................................................................................................................................................................5

Copyright...........................................................................................................................................................................................................5

Warranty...........................................................................................................................................................................................................5

Safety recommendations...............................................................................................................................................................................5

Insulation tests ................................................................................................................................................................................................5

Product identification.....................................................................................................................................................................................6

Environment .....................................................................................................................................................................................................6

Graphical conventions ...................................................................................................................................................................................6

Glossary/definitions ........................................................................................................................................................................................6

2 GENERAL 10

Preface........................................................................................................................................................................................................... 10

Main features.................................................................................................................................................................................................11

Photo ...............................................................................................................................................................................................................11

3 TECHNICAL DATA 12

3.1 GENERAL............................................................................................................................................................................................................12

Product standard for measuring relays.....................................................................................................................................................12

Mechanical data ...........................................................................................................................................................................................12

Insulation........................................................................................................................................................................................................12

Voltage dip and interruption........................................................................................................................................................................12

EMC tests for interference immunity.........................................................................................................................................................12

Emission......................................................................................................................................................................................................... 13

Mechanical tests.......................................................................................................................................................................................... 13

Climatic tests................................................................................................................................................................................................. 13

Safety ............................................................................................................................................................................................................. 13

Certifications................................................................................................................................................................................................. 13

3.2 INPUT CIRCUITS ...............................................................................................................................................................................................14

Auxiliary power supply Uaux ......................................................................................................................................................................14

Voltage input circuits....................................................................................................................................................................................14

Residual voltage input circuit......................................................................................................................................................................14

Binary input circuits......................................................................................................................................................................................14

3.3 OUTPUT CIRCUITS............................................................................................................................................................................................14

Relays..............................................................................................................................................................................................................14

3.4 MMI.....................................................................................................................................................................................................................14

3.5 COMMUNICATION INTERFACES ...................................................................................................................................................................15

Local port........................................................................................................................................................................................................15

Remote ports..................................................................................................................................................................................................15

3.6 GENERAL SETTINGS FOR INDUCTIVE VTs VERSIONS...............................................................................................................................16

3.6.1 GENERAL SETTINGS FOR SENSOR VERSIONS ...........................................................................................................................................16

3.7 PROTECTIVE FUNCTIONS ...............................................................................................................................................................................16

Thermal protection with Pt100 probes - 26 ...............................................................................................................................................16

Undervoltage - 27 for inductive VTs versions...........................................................................................................................................16

Undervoltage - 27 for electronic sensor versions ...................................................................................................................................17

Positive sequence undervoltage - 27V1 for inductive VTs versions.....................................................................................................17

Positive sequence undervoltage - 27V1 for electronic sensor versions .............................................................................................17

Overvoltage - 59 for inductive VTs versions............................................................................................................................................. 18

Overvoltage - 59 for electronic sensor versions..................................................................................................................................... 18

Ten minutes overvoltage - 59Uavg for inductive VTs versions............................................................................................................. 19

Ten minutes overvoltage - 59Uavg [1] for electronic sensor versions.................................................................................................. 19

Residual overvoltage - 59N for inductive VTs versions ......................................................................................................................... 19

Residual overvoltage - 59N for electronic sensor versions.................................................................................................................. 20

Negative sequence overvoltage - 59V2 for inductive VTs versions .................................................................................................... 20

Negative sequence overvoltage - 59V2 for electronic sensor versions............................................................................................. 20

Underfrequency (81U) ..................................................................................................................................................................................21

Overfrequency (81O).....................................................................................................................................................................................21

Frequency rate of change (81R)..................................................................................................................................................................22

Breaker failure - BF.......................................................................................................................................................................................22

3.8 CONTROL AND MONITORING....................................................................................................................................................................... 23

Frequency tracking...................................................................................................................................................................................... 23

Trip Circuit Supervision - 74TCS................................................................................................................................................................. 23

Circuit Breaker supervision........................................................................................................................................................................ 23

NV10P - Manual - 01 - 2015

Oscillography (DFR) ..................................................................................................................................................................................... 23

PLC (Programmable Logic Controller) ...................................................................................................................................................... 23

3.9 METERING..........................................................................................................................................................................................................24

Accuracy (type tests)....................................................................................................................................................................................24

Measures........................................................................................................................................................................................................24

4 FUNCTION CHARACTERISTICS 25

4.1 HARDWARE DESCRIPTION.............................................................................................................................................................................25

Power supply board......................................................................................................................................................................................26

CPU board.......................................................................................................................................................................................................26

Input board.....................................................................................................................................................................................................26

MMI (keyboard, LED and display) ..............................................................................................................................................................26

4.2 SOFTWARE DESCRIPTION..............................................................................................................................................................................27

Base software................................................................................................................................................................................................27

Real-time operating system.........................................................................................................................................................................27

Task..................................................................................................................................................................................................................27

Drivers............................................................................................................................................................................................................ 28

Application Software................................................................................................................................................................................... 28

Data Base ...................................................................................................................................................................................................... 28

Self test (Application) .................................................................................................................................................................................. 28

Development tools (Builder)....................................................................................................................................................................... 28

4.3 I/O DESCRIPTION............................................................................................................................................................................................. 29

Metering inputs ............................................................................................................................................................................................ 29

Signal processing......................................................................................................................................................................................... 29

Conventions....................................................................................................................................................................................................31

Use of measured values...............................................................................................................................................................................32

Binary inputs ................................................................................................................................................................................................. 33

Output relays..................................................................................................................................................................................................37

LED indicators............................................................................................................................................................................................... 39

Communication interfaces...........................................................................................................................................................................41

4.4 PROTECTIVE ELEMENTS .................................................................................................................................................................................42

Rated values...................................................................................................................................................................................................42

Thermal protection with RTD thermometric probes - 26 ....................................................................................................................... 50

Undervoltage - 27..........................................................................................................................................................................................52

Positive sequence undervoltage - 27V1....................................................................................................................................................56

Overvoltage - 59............................................................................................................................................................................................ 58

Average overvoltage (59avg).......................................................................................................................................................................62

Residual overvoltage - 59N..........................................................................................................................................................................64

Negative sequence overvoltage - 59V2.................................................................................................................................................... 69

Overfrequency - 81O.....................................................................................................................................................................................71

Underfrequency - 81U ................................................................................................................................................................................. 73

Application notes about over-under frequency elements - 81U and 81O............................................................................................77

Frequency rate of change - 81R................................................................................................................................................................. 80

4.5 CONTROL AND MONITORING........................................................................................................................................................................86

Logical block - BLOCK1................................................................................................................................................................................86

Virtual I/O with Ethernet messages........................................................................................................................................................... 88

Remote tripping .............................................................................................................................................................................................92

Trip circuit supervision - 74TCS...................................................................................................................................................................94

Circuit breaker supervision .........................................................................................................................................................................97

Oscillography ............................................................................................................................................................................................. 100

5 MEASURES, LOGIC STATES AND COUNTERS 101

Protection.....................................................................................................................................................................................................101

Delayed inputs.............................................................................................................................................................................................101

Internal states..............................................................................................................................................................................................101

Counters........................................................................................................................................................................................................101

Self test .........................................................................................................................................................................................................102

Fault recording - SFR..................................................................................................................................................................................102

Event recording - SER................................................................................................................................................................................ 103

Oscillography - DFR ................................................................................................................................................................................... 103

6 INSTALLATION 105

6.1 PACKAGING.....................................................................................................................................................................................................105

6.2 MOUNTING......................................................................................................................................................................................................105

6.3 ELECTRICAL CONNECTIONS ....................................................................................................................................................................... 109

4NV10P - Manual - 01 - 2015

6.4 LED ALLOCATION............................................................................................................................................................................................116

6.5 FINAL OPERATIONS .......................................................................................................................................................................................116

7 PROGRAMMING AND SETTINGS 117

7.1 ThySetter SW...................................................................................................................................................................................................117

ThySetter installation..................................................................................................................................................................................117

ThySetter use ...............................................................................................................................................................................................117

7.2 MMI (Man Machine Interface) ................................................................................................................................................................... 118

Reading variables (READ)......................................................................................................................................................................... 118

Setting modifying (SET) ............................................................................................................................................................................. 119

TEST.............................................................................................................................................................................................................. 120

COMMUNICATION..................................................................................................................................................................................... 120

Circuit breaker commands ....................................................................................................................................................................... 120

Enable / block changes via keyboard - Password.................................................................................................................................121

7.3 MENU TREE..................................................................................................................................................................................................... 123

7.4 MODULES MANAGEMENT ...........................................................................................................................................................................127

7.5 MAINTENANCE...............................................................................................................................................................................................127

7.6 REPAIR..............................................................................................................................................................................................................127

7.7 PACKAGING.....................................................................................................................................................................................................127

8 APPENDIX 128

8.1 APPENDIX A1 - I/O Diagram ....................................................................................................................................................................... 128

8.2 APPENDIX A2 - Interfaces ........................................................................................................................................................................... 130

8.3 APPENDIX A3 - Protective functions ..........................................................................................................................................................131

8.4 APPENDIX A4 - Connection diagrams ........................................................................................................................................................132

8.5 APPENDIX B1 - NV10P Dimensions.............................................................................................................................................................137

8.6 APPENDIX B2 - V-Sensor Dimensions....................................................................................................................................................... 138

8.7 APPENDIX B3 - ThySensor Dimensions .................................................................................................................................................... 139

8.8 APPENDIX C - Setting table ......................................................................................................................................................................... 140

8.9 APPENDIX D - Revisions history ................................................................................................................................................................. 238

8.10 APPENDIX E - EC Declaration of conformity............................................................................................................................................. 239

NV10P - Manual - 01 - 2015

INTRODUCTION

1 INTRODUCTION

Scope and liability

This document describes the functions, the technical data of NV10P devices; instructions for mount-

ing, setting and commissioning are included. All the protective functions included in the NV10P

version (27, 59, 59N, 81O, 81U, 81R) are exposed; they are valid for the same protective functions

included in the Basic versions NV10B (27, 59, 59N).

This manual has been checked out, however, deviations from the description cannot be completely

ruled out, so that no liability in a legal sense for correctness and completeness of the information or

from any damage that might result from its use is formally disclaimed.

The information given in this document is reviewed regularly; any corrections and integration will be

included in subsequent editions that are identiﬁed by the date of revision.

We appreciate any suggestions for improvement.

We reserve the right to make technical improvements without notice.

Applicability

This manual is valid for NV10P devices with firmware release 3.20 and following.

Conformity

The product complies with the CEE directives:

EMC Council Directives: 2004/108/EC

Low voltage Directives: 2006/95/CE (replaces 73/23/CEE)

Technical support

Contact: Service tecnico THYTRONIC www.thytronic.it

Warranty

Thytronic warrants devices against defects in materials and workmanship under normal use for a

period of ONE (1) YEAR from the date of retail purchase by the original end-user purchaser (“War-

ranty Period”).

Safety recommendations

The warming contained in this document are all-important for safety; special attention must be paid

to the following symbols:

Installation and commissioning must be carried out by qualiﬁed person; Thytronic assumes no re-

sponsibility for damages caused from improper use that does not comply all warning and caution in

this manual.

In particular the following requirements must be met:

Remove power before opening it.

Verify the voltage absence by means suitable instrumentation on relay connections; attention must

be paid to all circuits supplied by external sources (binary input, CT, etc...)

Care must be taken when handling metal parts (front panel, connectors).

Insulation tests

After insulation tests, hazardous voltages (capacitor charges,...) may be arise; it is advisable to grad-

ually reduce the test voltage avoiding to erase it abruptly.

•

DANGER Death, severe personal injury or substantial property damage will result if proper precautions

are not taken

DANGER Death, severe personal injury or substantial property damage will result if proper precautions

are not taken

WARNING Death, severe personal injury or substantial property damage can result if proper precautions

are not taken.

WARNING Death, severe personal injury or substantial property damage can result if proper precautions

are not taken.

CAUTION Minor personal injury or property damage can result if proper precautions are not taken

CAUTION

Settings must be established on the basis of a coordination study.

Numerical values inside examples have educational purpose only; they don’t be used, in no way,

for actual applications.

CAUTION

Settings must be established on the basis of a coordination study.

Numerical values inside examples have educational purpose only; they don’t be used, in no way,

for actual applications.

6NV10P - Manual - 01 - 2015 INTRODUCTION

Product identiﬁcation

Each device is equipped with:

Identiﬁcation label installed on the front side with following informations: code number, phase and

residual nominal currents, auxiliary voltage range and CE mark:

Test label with following informations: data, serial number and test operator signature.

Environment

The NV10 device must be employed according to the environment conditions shown (see technical

data).

In case of different environment conditions, appropriate provisions must be provided (conditioning

system, humidity control, etc...).

If contaminants are present (dust, corrosive substances, etc...), filters must be provided.

Graphical conventions

The CEI/IEC and ANSI symbols is employed where possible:

e.g.: 27= ANSI code concerning the undervoltage element.

Following text formats are used:

The ThySetter[1] menu:

Undervoltage - 27

The parameter description (measures, thresholds, operate time,...) and related value:

U> element

Deﬁnite time

U>def

The display messages (MMI) are shown as:

NV10

Notes are highlighted with cursive letters inside colored bar

Note: Useful description note

Glossary/deﬁnitions

27 Undervoltage ANSI code

59 Overvoltage ANSI code

59N Residual voltage ANSI code

81O Overfrequency ANSI code

81U Underfrequency ANSI code

81R Frequency rate of change ANSI code

BF Breaker Failure

74VT VT monitoring

74TCS Trip Circuit Supervision

DFR Digital Fault Recorder (Oscillography)

SER Sequential Event Recorder

SFR Sequential Fault Recorder

ANSI American National Standard Institute

IEEE Institute of Electrical and Electronics Engineers

IEC International Electrotechnical Commission

CENELEC Comité Européen de Normalisation Electrotechnique

52 o CB (Circuit Breaker) Circuit Breaker

52a Auxiliary contact in the breaker that is in the same position as the

breaker. It can be assigned to a binary input to locate the CB posi-

tion (Breaker failure and/or CB diagnostic functions). (52a open = CB

open)

52b Auxiliary contact in the breaker that is in the opposite position as the

breaker (52b open = CB closed)

Note 1 The graphic interface and the operation of the ThySetter software are described in the relative chapters

•

NV10P#JA2MM00

UAUX 110-230 Vac/dc

100V

100V UEn

NV10P#0A2MM02

UAUX 110-230 Vac/dc

20 kV

UNP

Inductive VT versions Electronic sensor versions

NV10P#JA2MM00

UAUX 110-230 Vac/dc

100V

100V UEn

NV10P#0A2MM02

UAUX 110-230 Vac/dc

20 kV

UNP

Inductive VT versions Electronic sensor versions

NV10P - Manual - 01 - 2015

INTRODUCTION

K1...K6...K10 Output relays

Pulse Output relay with pulse operation

tTR Output relay minimum pulse width

Latched Output relay with latched operation (manual reset) Output relay with

latched operation (automatic reset)

No-latched Output relay with no-latched operation (automatic reset)

CT Current Transformer

P1 IEC nomenclature for primary polarity mark of CTs (as an alternative to

a ANSI dot)

P2 IEC nomenclature for primary polarity mark of CTs (as an alternative to

a ANSI no-dot)

S1 IEC nomenclature for secondary polarity mark of CTs (as an alternative

to a ANSI dot)

S2 IEC nomenclature for secondary polarity mark of CTs (as an alternative

to a ANSI no-dot)

Self test Diagnostic

Start Leave an initial condition or reset condition (Pickup)

Trip Operation (with operate time)

Operating time Duration of time interval between the instant when the character-

istic quantity in reset condition is changed, under speciﬁed condi-

tions, and the instant when the relay operates

Dropout ratio The ratio of a reset value to an operate value in well-speciﬁed con-

ditions. The dropout ratio may be lower or greater than 1 according

as an over or under element is considered

Reset time Duration of the time interval between the instant when the charac-

teristic quantity in operate condition is changed, under speciﬁed

conditions, and the instant when the relay operates.

The stated reset time is related to a step variation of characteristic

quantity in operate condition to the reset condition.

Overshoot time The critical impulse time for a relay which is in its reset condition,

is the longest duration a speciﬁed change in the input energizing

quantity(ies) (characteristic quantity), which will cause the relay

to change to operate condition, can be applied without the relay

switches. The overshoot time is the difference from the operate time

and the critical impulse time.

The declared values for the overshoot time are applicable with the

lower setting value of the operation time.

MMI (Man Machine Interface) Operator front panel

ThySetter Setting and monitoring software

Log ﬁle A text ﬁle that lists actions that have occurred (ThySetter).

J2SE Java Platform Standard Edition

Subnet Mask (Ethernet nomenclature)

Sw Software

Fw Firmware

Upgrade Firmware upgrade

XML eXtensible Markup Language

8NV10P - Manual - 01 - 2015 INTRODUCTION

Symbols-en.ai

Symbols

U>> Start

U>> BF_OUT

IPh Block2

Logic internal signal (output); may be a logical state

(e.g.U>> Start

) or a numerical value

It is available for reading (ThySetter + communication interface)

Logic external signal (intput); may be a command coming from a binary input or a sw command

It is available for reading (ThySetter + communication interface)

Internal signal (e.g. Breaker Failure output state concerning to the 2nd threshold of the 59 element)

It is not available for reading (missing arrow)

AND and NAND logic gates

OR and NOR logic gates

Limit block (U>> threshold).

Computation block (Max phase voltage)

Threshold setting (e.g. pickup

U>>)

The value is available for reading and is adjustable by means ThySetter + MMI.

Switch

ON delay timer with reset (tON delay)

ON delay timer without reset (tON delay)

OFF delay timer (dropout) without reset (tOFF delay)

Curve type (deﬁnite/inverse time)

UL3

Max[IL1 ,IL2 ,IL3 ]

UL2

UL1

tON tON tON tON

RESET

INPUT

OUTPUT

tOFF

INPUT

OUTPUT

tON tON tON

INPUT

OUTPUT

tON

& &

≥1≥1

EXOR logic gate

tOFF

U>>

UU ≥

U>>

tON

RESET

NV10P - Manual - 01 - 2015

INTRODUCTION

Symbols1-en.ai

RESET

INPUT

OUTPUT

tOFF

tOFF tOFF

Minimum pulse width operation for output relays (tTR

)

tTR

INPUT

OUTPUT

tTR

INPUT

OUTPUT

Latched operating mode for output relays and LEDs

Pulse operating mode for output relays

INPUT

OUTPUT

Latched

tTR

RESET

OFF delay timer (dropout) with reset (tOFF delay)

10 NV10P - Manual - 01 - 2015 GENERAL

2 GENERAL

Preface

The relay type NV10P can be typically used in HV, MV and LV distribution systems, on transformers

or for electrical machines.

It can be used for system decoupling, load shedding and loss of main (islanding) protection.

In addition to the main protection element, the breaker failure (BF) , Trip Circuit Supervision (TCS) and

programmable logic (PLC) are also provided are also provided.

Input circuits for inductive VTs TV or direct connection

Following input circuits are available:

Three voltages (line-to-line) with nominal voltages programmable in the range 50...130 V (UR=100V)

or 200...520 V (UR = 400V) and one residual voltage input with nominal voltage programmable in the

range 50...130 V (UER=100V).

Input circuits for electronic Sensor

Following input circuits are available:

Three voltages (line-to-ground) with 20/√3 kV nominal voltage); the residual voltage is calculated

from phase voltages.

Setting, programming and reading operations must be effected by means of Personal Computer with

ThySetter software or by means of remote communication interface (RS485 bus and Ethernet net-

work); all operations must be performed through MMI if enabled.

According to the hardware conﬁgurations, the NV10P protection relay can be shipped in various

case styles depending on the required mounting options:

Flush.

Projecting mounting.

Rack.

With separate operator panel.

Other options are:

Auxiliary power supply operating range.

Communication protocols.

—

•

—

•

- Protective & control functions

27 Phase undervoltage

27V1 Positive sequence undervoltage

59 Phase overvoltage

59V2 Negative sequence overvoltage

59N Residual overvoltage

59Uavg Average overvoltage

81O Overfrequency

81U Underfrequency

81R Frequency rate of change

BF Circuit breaker failure

74TCS Trip circuit supervision

ARF Automatic reclosure

(optional for pv plants)

74TCS BF

59N

27 27V1

81O 81R81U

59V2

DDI

2xTV

fase-fase

ARF

59Uavg

PROTECTION RELAY

BF ARF

59N

27V1

81O

81U

59V2

59 59Uavg

PROTECTION RELAY

U12,U23,U31

UEC

- Protective & control functions

27 Phase undervoltage

27V1 Positive sequence undervoltage

59 Phase overvoltage

59V2 Negative sequence overvoltage

59N Residual overvoltage

59Uavg Average overvoltage

81O Overfrequency

81U Underfrequency

81R Frequency rate of change

BF Circuit breaker failure

74TCS Trip circuit supervision

ARF Automatic reclosure

(optional for pv plants)

74TCS BF

59N

27 27V1

81O 81R81U

59V2

DDI

2xTV

fase-fase

ARF

59Uavg

PROTECTION RELAY

BF ARF

59N

27V1

81O

81U

59V2

59 59Uavg

PROTECTION RELAY

U12,U23,U31

UEC

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