Thytronic NV10B Manuel utilisateur

NV10B - Manual - 04 - 2022

MANUAL

NV10B

MULTIFUNCTION VOLTAGE AND FREQUENCY

PROTECTION RELAY

NV10B - Manual - 04 - 2022

TABLE OF CONTENTSTABLE 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................................................................................................................................................................................................ 10

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 ........................................................................................................................................................................................16

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

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

Undervoltage - 27..........................................................................................................................................................................................16

Overvoltage - 59.............................................................................................................................................................................................16

Residual overvoltage - 59N..........................................................................................................................................................................17

Breaker failure - BF.......................................................................................................................................................................................17

3.8 CONTROL AND MONITORING....................................................................................................................................................................... 18

Trip Circuit Supervision - 74TCS................................................................................................................................................................. 18

Circuit Breaker supervision........................................................................................................................................................................ 18

Oscillography (DFR) ..................................................................................................................................................................................... 18

PLC (Programmable Logic Controller) ...................................................................................................................................................... 18

3.9 METERING......................................................................................................................................................................................................... 19

Accuracy (type tests)................................................................................................................................................................................... 19

Measures....................................................................................................................................................................................................... 19

4 FUNCTION CHARACTERISTICS 20

4.1 HARDWARE DESCRIPTION............................................................................................................................................................................ 20

Power supply board......................................................................................................................................................................................21

CPU board.......................................................................................................................................................................................................21

Input board.....................................................................................................................................................................................................21

MMI (keyboard, LED and display) ..............................................................................................................................................................21

NV10B - Manual - 04 - 2022

4.2 SOFTWARE DESCRIPTION..............................................................................................................................................................................22

Base software................................................................................................................................................................................................22

Real-time operating system.........................................................................................................................................................................22

Task..................................................................................................................................................................................................................22

Drivers............................................................................................................................................................................................................ 23

Application Software................................................................................................................................................................................... 23

Data Base...................................................................................................................................................................................................... 23

Self test (Application) .................................................................................................................................................................................. 23

Development tools (Builder)....................................................................................................................................................................... 23

4.3 I/O DESCRIPTION..............................................................................................................................................................................................24

Metering inputs .............................................................................................................................................................................................24

Signal processing..........................................................................................................................................................................................24

Conventions....................................................................................................................................................................................................26

Use of measured values...............................................................................................................................................................................27

Binary inputs................................................................................................................................................................................................. 28

Output relays..................................................................................................................................................................................................32

LED indicators................................................................................................................................................................................................34

Communication interfaces...........................................................................................................................................................................36

4.4 PROTECTIVE ELEMENTS .................................................................................................................................................................................37

Rated values...................................................................................................................................................................................................37

Thermal protection with RTD thermometric probes - 26 ....................................................................................................................... 43

Residual overvoltage - 59N......................................................................................................................................................................... 53

4.5 CONTROL AND MONITORING....................................................................................................................................................................... 60

Logical block - BLOCK1............................................................................................................................................................................... 60

Remote tripping .............................................................................................................................................................................................62

Frequency tracking...................................................................................................................................................................................... 63

Trip circuit supervision - 74TCS...................................................................................................................................................................64

Circuit breaker supervision .........................................................................................................................................................................67

Oscillography ............................................................................................................................................................................................... 70

5 MEASURES, LOGIC STATES AND COUNTERS 71

Protection.......................................................................................................................................................................................................71

Delayed inputs...............................................................................................................................................................................................71

Internal states................................................................................................................................................................................................71

Counters..........................................................................................................................................................................................................71

Self test ...........................................................................................................................................................................................................72

Fault recording - SFR....................................................................................................................................................................................72

Event recording - SER.................................................................................................................................................................................. 73

Oscillography - DFR ..................................................................................................................................................................................... 73

6 INSTALLATION 75

6.1 PACKAGING.......................................................................................................................................................................................................75

6.2 MOUNTING........................................................................................................................................................................................................75

6.3 ELECTRICAL CONNECTIONS ......................................................................................................................................................................... 79

6.4 LED ALLOCATION..............................................................................................................................................................................................85

6.5 FINAL OPERATIONS .........................................................................................................................................................................................85

7 PROGRAMMING AND SETTINGS 86

7.1 SW ThyVisor ......................................................................................................................................................................................................86

ThyVisor installation......................................................................................................................................................................................86

ThyVisor use...................................................................................................................................................................................................86

7.2 MMI (Man Machine Interface) ......................................................................................................................................................................87

Reading variables (READ)............................................................................................................................................................................87

Setting modifying (SET) ................................................................................................................................................................................87

TEST................................................................................................................................................................................................................ 89

COMMUNICATION....................................................................................................................................................................................... 89

Circuit breaker commands ......................................................................................................................................................................... 90

Enable / block changes via keyboard - Password.................................................................................................................................. 90

7.3 MODULES MANAGEMENT .............................................................................................................................................................................91

7.4 MAINTENANCE.................................................................................................................................................................................................92

7.5 REPAIR................................................................................................................................................................................................................92

7.6 PACKAGING.......................................................................................................................................................................................................92

NV10B - Manual - 04 - 2022

8 APPENDIX 93

8.1 APPENDIX A1 - I/O Diagram ......................................................................................................................................................................... 93

8.2 APPENDIX A2 - Interfaces ..............................................................................................................................................................................94

8.3 APPENDIX A3 - Connection diagrams ..........................................................................................................................................................95

8.4 APPENDIX B - Dimensions............................................................................................................................................................................. 99

8.5 APPENDIX C - Setting table ......................................................................................................................................................................... 100

8.6 APPENDIX D- EC Declaration of conformity ............................................................................................................................................. 118

INTRODUCTION 5

NV10B - Manual - 04 - 2022

1 INTRODUCTION1 INTRODUCTION

Scope and liability

This document describes the functions, the technical data of NV10B devices; instructions for mount-

ing, setting and commissioning are included. This manual has been checked out, however, devia-

tions 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 NV10B devices with firmware release 1.60 and following.

Conformity

The product complies with the CEE directives:

• EMC Council Directives: 2014/30/EC

• Low voltage Directives: 2014/35/EC

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

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.

INTRODUCTION 6

NV10B - Manual - 04 - 2022

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 NV10B 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:

eg: 27 = ANSI code concerning the undervoltage element.

Nel presente manuale sono utilizzati i seguenti formati tipograﬁci:

Following text formats are used:

The ThyVisor[1] menu:

Undervoltage - 27

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

U> element

    Denite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

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)

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

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

INTRODUCTION 7

NV10B - Manual - 04 - 2022

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

ThyVisor Setting and monitoring software

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

J2SE Java Platform Standard Edition

Subnet Mask (Ethernet nomenclature)

Sw Software

Fw Firmware

Upgrade Firmware upgrade

XML eXtensible Markup Language

INTRODUCTION 8

NV10B - Manual - 04 - 2022

Symbols.ai

Symbols

I>> Start

I>> BF_OUT

IPh Block2

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

(e.g.I>> Start

) or a numerical value

It is available for reading (ThyVisor + communication interface)

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

It is available for reading (ThyVisor + communication interface)

Internal signal (e.g. Breaker Failure output state concerning to the 2nd threshold of the 50 element)

It is not available for reading (missing arrow)

AND and NAND logic gates

OR and NOR logic gates

Limit block (I>> threshold).

Computation block (Max phase current)

Threshold setting (e.g. pickup

I>>)

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

Switch

ON delay timer with reset (tON delay)

ON delay timer without reset (tON delay)

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

Curve type (deﬁnite/inverse time)

IL3

Max[IL1 ,IL2 ,IL3 ]

IL2

IL1

tON tON tON tON

RESET

INPUT

OUTPUT

tDROP

tON tON

INPUT

OUTPUT

tON tON tON

INPUT

OUTPUT

tON

& &

≥1≥1

EXOR logic gate

tDROP

I >>

II ≥

I>>

tON

RESET

0 T

INTRODUCTION 9

NV10B - Manual - 04 - 2022

Symbols1-en.ai

RESET

INPUT

OUTPUT

tOFF

tOFF tOFF

Minimum pulse width operation for output relays (tTR

)

tTR

INPUT

OUTPUT

tTR

0 T

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)

GENERAL 10

NV10B - Manual - 04 - 2022

2 GENERAL2 GENERAL

Preface

The relay type NV10B 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.

Following input circuits are available:

• Three voltages (line-to-line or line-to-ground) 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).

• Two binary inputs.

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

ThyVisor software or by means of remote communication interface (RS485 bus, Ethernet network

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

According to the hardware conﬁgurations, the NV10B 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.

Main features

• Metallic case.

• Backlight LCD 4x16 Display.

• Eight LEDs that may be joined with matrix criteria to many and various functions.

• RESET key to clear LED indications and latched output relays.

• Two free settable binary inputs.

• Independently settable for start, trip, self-test and control six output relay (K1...K6) Each output

relay may be set with normally energized or normally de-energized operating mode and manual or

automatic reset (latched/no-latched).

• Rear Ethernet communication port, with MODBUS TCP/IP® protocol, with RJ45 (copper wires) or

FX (optical ﬁber) connection.

• Rear RS485 port, with ModBus protocol.

• USB front serial port (local communication for ThyVisor).

• Real time clock with super capacitor.

NV10P-B-en.ai

Protective elements

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