Leroy-Somer D500 Mode d’emploi

This manual is to be given

to the end user

D500

Automatic Voltage Regulators (AVRs)

Installation and maintenance

˜=

µC(XC 164CS)

PID

DSP

trans-

ceiver

µP

X1 Z1 X2 Z2 B+ B-

F+

F-

D+

D-

PT100/CTP

PT100

DI1 DI2

AI 1 AI 2

4243 en - 2009.09 / a

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

Before using your machine for the rst time,

it is important to read the whole of this

installation and maintenance manual.

All necessary operations and interventions

on this machine must be performed by a

qualied technician.

Our technical support service will be

pleased to provide any additional

information you may require.

The various interventions described in

this manual are accompanied by

recommendations or symbols to alert the

user to potential risks of accidents. It is vital

that you understand and take notice of the

various warning symbols used.

This AVR can be incorporated in a

CE‑marked machine.

Warning symbol for an operation capable

of damaging or destroying the machine

or surrounding equipment.

Warning symbol for general danger to

personnel.

Warning symbol for electrical danger to

personnel.

Note: LEROY-SOMER reserves the right

to modify the characteristics of its products

at any time in order to incorporate the

latest technological developments. The

information contained in this document may

therefore be changed without notice.

WARNING

This manual concerns the alternator AVR which you have just purchased.

We wish to draw your attention to the contents of this maintenance manual. By following

certain important points during installation, use and servicing of your alternator, you can

look forward to many years of trouble‑free operation.

SAFETY MEASURES

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

CONTENTS

1 ‑ PRESENTATION ................................................................................................................4

1.1 - Operation .....................................................................................................................4

1.2 - Characteristics .............................................................................................................8

1.3 - Specications...............................................................................................................8

2 ‑ HUMAN‑MACHINE INTERFACE .....................................................................................10

2.1 - Communication..........................................................................................................10

2.2 - The I/O .......................................................................................................................10

2.3 - The LEDs ...................................................................................................................10

2.4 - Wiring scheme ........................................................................................................... 11

3 ‑ SETTING THE FUNCTION PARAMETERS .....................................................................12

3.1 - Installation..................................................................................................................12

3.2 - Startup .......................................................................................................................12

3.3 - Appearance................................................................................................................12

4 ‑ CONNECTION DIAGRAMS .............................................................................................46

5 ‑ FAULT FLOW CHARTS ...................................................................................................48

All servicing or repair operations performed on the AVR should be undertaken by

personnel trained in the commissioning, servicing and maintenance of electrical and

mechanical components.

This document is the property of:

LEROY-SOMER.

It may not be reproduced in any form without prior authorisation.

All brands and models have been registered and patents applied for.

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

PRESENTATION1 ‑

Operation1.1 ‑

A schematic diagram of the D500 appears below.

˜=

µC(XC164CS)

PID

DSP

trans-

ceiver

µP

X1 Z1 X2 Z2 B+ B-

F+

F-

D+

D-

PT100/CTP

PT100

DI1 DI2

AI 1 AI 2

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

Terminals Signals Scheme

Power supply

- Auxiliary winding input

- PMG input

- SHUNT input

D500

X1 A

Up to

230V

Mains voltage measurement

8M Ω

MAIN

Alternator voltage measurement

For single-phase: use V and W

Alt

8M Ω

8MΩ

8M Ω

1A or 5A 0.02 ± 5V

± 15V

IU = (s1, s2)

IV = (s1, s2)

IW = (s1, s2)

Alternator current measurement

AI1

AI2

Analogue inputs:

External setting

POT

4-20mA

0-10V

± 10V

AI1 or AI2

500Ω

866Ω

210kΩ

10kΩ

±26V

DI1

DI2

Digital inputs:

U=U and PF/kVAR regulation

DI1/DI2

2k21

+15V

10k

B+

B-

DC power supply

B+

B-

11V to

30V

D500

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

Terminals Signal Scheme

F+

F-

Field excitation:

up to 10 A

F+

F- Exciter

PTC

PT100_1

PT100_2

PT100-3

Temperature sensor

± 5V

4k75

PT100 - CTP

+5 V

100nF

CAN_H

CAN_L

Optional:

CAN

µP

CAN

Transceiver

USB_D+

USB_D-

USB 2.0 communication port

µP

USB

Controller

D-

D+

+5 V

Read

475

MISO

4.7µF

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

• Power: It varies according to the type of

eld excitation (3 types).

-AREP:TheAVR is poweredby two auxiliary

windings which are independent of the

voltage sensing circuit.

The rst winding has a voltage in proportion

with that of the alternator and the second

has a voltage in proportion with the stator

current.

- PMG: A permanent magnet generator

(PMG) added to the alternator supplies the

AVR with voltage which is independent of

the main alternator winding.

- SHUNT: The AVR is powered by the main

winding (140 V – 50/60 Hz).

• Battery: This is used to supply the AVR

with between 12 V and 30 V. It must always

be present.

• Mains: This input is dedicated to the

phase-to-phase mains voltage which will be

taken as the reference when voltage

matching is performed.

• Alternator voltage: This sends the

alternator output voltage to the AVR in:

- three-phase (U, V, W)

- single-phase (V, W)

• Current transformer(s): This input

measures the current supplied by the

alternator. It must always be present when

the alternator is running in parallel

operation.

• The possible congurations are:

- 1 CT on phase U

- 3 CTs on phases U, V and W

• Temperature sensor(s): These are used

to measure the alternator temperature and

alert the user if there is a rise in temperature.

This measurement can be taken either with

1 PTC or 3 PT100s.

• Communication:

- USB port: This is used to connect the AVR

to a computer and creates the link between

the EasyReg software and the D500.

- CAN port: This is used to connect the AVR

to a computer and creates the link between

the EasyReg software and the D500.

The CAN link is only available in the

CAN version identied by the letter C

(eg: D510-C).

• I/O: This part is used to:

- Enter settings

- Send information from the D500

- Receive information from the alternator

• LEDs: These light-emitting diodes inform

theuserwhethertheAVRisworkingcorrectly

or not.

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

Characteristics1.2 ‑

The different functions of the D500 are:

- Voltage regulation

- Regulation of the power factor (PF)

- Regulation of the reactive power

- Manual regulation (Iexc)

• Voltage regulation: The D500 regulates

the alternator output voltage. Regulation is

applied to the mean value or the true rms

value (TRMS).

• Regulation of the power factor: The

D500 regulates the power factor. This is

the ratio between the active power

(P = √3*U*I*cos φ) and the apparent power

(S = √3*U*I).

- Inductive cos φ [0; π/2] means that the

current is lagging behind the voltage. The

load is inductive (induction motor,

transformer, etc).

- Capacitive cos φ [π/2; π] means that the

current is leading the voltage. The load is

capacitive (uorescent lighting, etc).

• Regulation of the reactive power:

The D500 regulates the reactive power

(Q = √3*U*I*sin φ) at a xed value.

• Manualregulation:TheD500canregulate

the voltage manually by altering the value of

the excitation current.

These functions are selected when setting

the AVR parameters.

Specications1.3 ‑

Characteristics1.3.1 ‑

Name Minimum value Maximum value Adjustable

Battery power supply 11 V 30 V

Alternator frequency 10 Hz 100 Hz Yes

Mains frequency 5 Hz 100 Hz

Single-phase mains voltage 50 V 600 V

Mains voltage ratio 1 100 Yes

Excitation current 0 A 6 A

Max. excitation current 0 A 10 A

Single-phase alternator voltage 0 V 341 V

Three-phase alternator voltage 0 V 600 V

Alternator current input 1 A 5 A Yes

Alternator I u 0 A 5000 A

Alternator I v 0 A 5000 A

Alternator I w 0 A 5000 A

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

Characteristics1.3.2 ‑

Name Minimum value Maximum value Adjustable

LAM knee-point 37 Hz 100 Hz Yes

Adjustable LAM 70% of

Voltage reference

100% of

Voltage reference Yes

Variable U/F 1.0 3.0 Yes

Voltage reference setpoint 90 V 690 V Yes

Adjustment of external accuracy - 10%* + 10%* Yes*

Quadrature droop 0% + 10% Yes

Soft start acceleration 0.1 s 120 s Yes

Loading acceleration 0.1 s/10 Hz 30.0 s/10 Hz Yes

Voltage drop compensation 0% 10% Yes

Excitation current manual reference 0 A 10 A Yes

Rated cosine -0.6 (LEAD) +0.6 (LAG) Limited by settings

kVAR -100% +100% Limited by settings

Proportional action 0* 1500* Yes*

Integral action 0* 200* Yes*

Derivative action 0* 12000* Yes*

* ± 30% in expert mode

Status and faults1.3.3 ‑

Name Minimum value Maximum value Adjustable

Short-circuit delay 0.5 s 10 s

Short-circuit excitation

current demand 0 A 10 A

Underexcitation delay 0.1 s 5.0 s

I EXC SHUT down 0 A 5 A

Overvoltage time 0 s 100 s

Overvoltage threshold 0% 120%

PT100 temperature 0°Celsius 250°Celsius

PT100 temperature threshold 50°C 200°C

PTC input 0% 100%

Installation and maintenance

D500

Automatic Voltage Regulators (AVRs)

4243 en - 2009.09 / a

LEROY-SOMER

HUMAN‑MACHINE INTERFACE2 ‑

The D500 human-machine interface

consists of 3 elements:

- The USB link

- The I/O

- The LEDs

Communication2.1 ‑

USB link

The EasyReg software and the D500

communicate via a USB cable (Universal

Serial Bus).

I/O2.2 ‑

This part of the board allows the operator to

use the inputs to make manual settings and

the outputs to check certain data or to

indicate whether certain AVR functions are

working correctly or not. An external power

supply (0 V – 10 V) is present which can

supply an external component (bulb, alarm,

etc).

The minimum input setting is 0% and the

maximum is 100%.

External setting is either:

- from an external potentiometer

- 4 - 20 mA

- 0 - 10 V

- ± 10 V

Scaling:

(AVR part)

yx Formula

x Formula y

4 – 20 mA A * x + B = y

A = 6250 and B = -25 0 – 100%

0 – 10 V A * x + B = y

A = 10 and B = 0 0 – 100%

-10 – 10V A * x + B = y

A = 5 and B = 50 0 – 100%

LEDs2.3 ‑

The LEDs serve to inform the user whether

the AVR is working correctly or not.

Name Colour Meaning

Power ON Green The board is supplied

with power

↓ Hz Red Speed drop

↑ / ↓ Volt Red Problem of overvoltage or

undervoltage

↑ / ↓ Exc. Red Problem of overexcitation

or underexcitation

Fault Red Problem on the exciter

eld diode bridge

Manu Yellow Manual mode enabled

PF/KVAR Yellow Regulation of the power

factor or reactive power

enabled

U = U Yellow Alternator voltage =

Mains voltage

USB Blue AVR connected

USB port

I/O

LEDs

Connect to the PC

Connect to the D500

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