ABB RVC User manual

Power Factor Controller

RVC

Installation and operating

instructions

Régulateur de facteur de

puissance RVC

Instructions d’installation et

d’utilisation

Regolatori del fattore di

potenza RVC

Istruzioni di installazione e

funzionamento

Reguladores del factor de

potencia RVC

Instrucciones de instalación y

de funcionamiento

Controlador de Fator de

Potência RVC

Instalação e instruções de

operação

Blindleistungsregler RVC

Installations- und

Bedienungsanleitung

Cos ϕ-regelaars type RVC

Installatie- en

gebruiksaanwijzing

Reaktiv effektregulator

RVC

Installations- och

användarhandbok

Loistehonsäätimet RVC

Asennus- ja käyttöohjeet

Güç Faktörü Kontrol

Cihaz› RVC

Kurma ve Çal›st›rma

Yönergeleri

Qthlirsy Rtmsekers

Irvoy RVC

Odgey Ejasrsargy jai

Keisotqay

Регулятор коэффициента

мощности RVC

Инструкция по установке и

эксплуатации

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RVA Manual p1-3 11/29/05 17:02 Page 1

English Page 4 Be

Français Page 14 Av

Italiano Pagina 24 Pr

Español Página 34 An

Português Página 44 An

Deutsch Seite 54 Ve

Nederlands Bladzijde 64 Zo

Svenska Sid 74 Fö

till

Suomi Sivu 84 Va

Türkçe Sayfa 94 Ku

k›s

Ekkgmij Rekda 104 Cia

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русский Стр. 136 Пе

ин

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RVA Manual p1-3 11/29/05 17:02 Page 2

Before use, ensure that you have in hands both parts of the manual

(2GCS201086A0050 1/2 & 2/2).

Avant utilisation, assurez-vous d'avoir les 2 parties du manuel

(2GCS201086A0050 1/2 & 2/2).

Prima dell’uso assicurarsi di avere entrambe le parti del manuale

(2GCS201086A0050 1/2 & 2/2).

Antes de usar este manual asegúrese de que posee sus dos partes

(2GCS201086A0050 1/2 y 2/2).

Antes de ligar o equipamento, assegure que você tem em mãos ambas

as partes do manual (2GCS201086A0050 1/2 & 2/2).

Vergewissern Sie sich vor der Benutzung, das Ihnen beide Teile der

Anleitung vorliegen (2GCS201086A0050 1/2 & 2/2).

Zorg er voor beide delen van de handleiding (2GCS201086A0050 1/2

& 2/2) bij de hand te houden vooraleer U de regelaar in gebruik neemt.

Före användning, säkerställ att du har båda delarna av manualen

tillgänglig (2GCS201086A0050 1/2 & 2/2).

Varmista ennen käyttöä että sinulla on käyttöohjeen molemmat osat

(2GCS201086A0050 1/2 ja 2/2).

Kullanmadan önce (2GCS201086A0050 1/2 & 2/2). manual’in iki

k›sm›n›nda tar›f›n›zda mevcut oldu¤undan emin olun.

Cia som oqh pqoqallasirl sot qthlirs, ha pqpei ma vese rsgm

diherg ray jai sa do eveiqdia (2GCS201086A0050 1/2 & 2/2).

Перед началом работы проверьте наличие обеих частей

инструкции (2GCS201086A0050 1/2 & 2/2).

zhs

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RVA Manual p1-3 11/29/05 17:02 Page 3

Thanks for selecting RVC range of PF controllers for your automatic

capacitor bank.

READ THIS FIRST

About this instruction manual

This Instruction Manual is designed to help you quickly install and

operate the RVC Controller. Before installation and operation of the

RVC Controller, read this notice carefully. Keep it at the disposal of

people in charge of installation, maintenance and operation.

Safety

Installation, maintenance and operation of the PF controller

must be performed by qualified electricians. Disconnect all

power connections before working on the PF controller.

For cleaning, remove the dust with a dry cloth. Do not use abrasives,

solvents or alcohol. Before cleaning please turn off the power supply.

Do not open the PF controller’s housing. There are no user

serviceable parts inside.

The PF controller is connected to a current transformer. Do not

unplug the current transformer connections before making sure it is

short-circuited or connected to another parallel load of sufficiently

low impedance. Failure to do so can create dangerous over

voltages.

Do not use this product for any other purpose than its original aim.

All cables connected to the PF controller must conform to the local

regulations. They should be able to withstand at least 60°C ambient

temperature. External disconnection devices (e.g. a switch) and

external overcurrent protection devices (e.g. fuses) must be

provided for the protection of the PF controller (refer to # 6, F1 and

F2) and for the protection of the capacitor bank (refer to # 6, F3, F4

and F5). These devices must be installed in the same cubicle as the

PF controller. The typical protection level of the disconnection

circuits for the PF controller is 6A. For the capacitor bank, the

protection level depends on its rating.

RVA Manual TEXT-final.qxd 5/12/2005 16:57 Page 4

# 1. Front view

1.1. Mounting brackets

1.2. LCD display

1.3. Keypad

# 2. Rear view

2.1. Mounting brackets

2.2. L2 & L3, voltage

connection inputs

2.3. k & I, current connection

inputs

2.4. Steps outputs

# 3. LCD display

3.1. Activated outputs

3.2. Overtemperature indication

3.3. Disconnection indication

3.4. User settable parameters

3.5. Modes

3.6. Demand for switching on or

off capacitor steps

3.7. Inductive PF

3.8. Capacitive PF

3.9. Alarm indication

3.10. Measurement unit

3.11. Refer to § Feature

# 4. Keypad

4.1. Mode button

4.2. - button

4.3. + button

# 5. Mounting

5.1. Slide the controller into the

capacitor bank cubicle.

5.2. Insert the mounting brackets

in the corresponding fixation

holes of the controller. Pull the

mounting brackets backwards.

5.3. Turn the screw into the

mounting brackets and tighten

until the controller is fixed.

Electromagnetic compatibility

This PF Controller has been verified for compliance with EU

(European Union) directives for EMC (electromagnetic compatibility)

for operation at 50 Hz and bears the CE marking to this effect.

When an apparatus is used in a system, EU directives may require

that the system be verified for EMC compliance.

The following guidelines are helpful in improving the EMC

performance of a system:

1. Metallic enclosures generally improve EMC performance.

2. Run cables away from apertures in the enclosure.

3. Run cables close to grounded metallic structures.

4. Use multiple ground straps for doors or other panels parts as

required.

5. Avoid common ground impedances.

FIGURES (refer to doc n° 2GCS201086A0050 1/2)

RVA Manual TEXT-final.qxd 5/12/2005 16:57 Page 5

SWITCHING STRATEGY

Reactive power requirement is calculated based on average reactive

load during a switching delay time (40 sec. recommended).

RVC decides on the number of steps based on above and switches

on the biggest step first to avoid intermediate switching. During this

switching sequence, a fixed 12-second delay time between each

step is introduced in order to avoid transient problems and to fulfill

EMC requirements. The default switching is circular (# 8.) which

increases lifetime of capacitors/contactors.

MODES

AUTO mode (default)

RVC decides on the number of steps required to reach the target PF

based on user setting (target PF, C/k, ...)

Display of cos ϕ, Vrms, Irms, THDV, THDI. (refer to 10.1)

MAN mode

This mode allows the user to control the power factor manually.

Display of cos ϕ, manual switching of steps. (refer to 10.2.)

# 6. Wiring diagram

k, I: leads of the current

transformer

L2, L3: 2 of the 3 phases

M1, M2: leads of the normally

open alarm contact

A: output relay common source

1-12: outputs

# 7. Leads connection

7.1. Push the lever of the

connector backwards with a

screwdriver.

7.2. Insert the wire in the

corresponding connection hole

while keeping the pressure on

the lever.

7.3. Release the screwdriver.

7.4. The wire is properly

connected.

If the connections (CT and

voltage) are done properly, the

RVC will display the PF

measurement screen, in the

Auto mode (refer to # 10.)

Note: wire size 2.5 mm²

RVA Manual TEXT-final.qxd 5/12/2005 16:57 Page 6

AUTO SET mode

Automatic setting of PHASE, C/k, DELAY, STEPS of outputs 1, 2,

3, ... RVC makes the commissioning easy with its AUTO SET mode.

The user only needs to set the desired PF (default factory setting is

1.0) by going to MAN SET mode. This process may take several

minutes to complete. Please refer to 10.3.

Note: the default time delay is set at 40 sec. If a different delay time

is needed, please do it before starting the AUTO SET procedure.

MAN SET mode

Manual setting of COS ϕ, PHASE, C/k, DELAY, STEPS of outputs 1,

2, 3, ..., Vrms Max, Vrms Min, THDV Max.

Please refer to § Programmable parameters and to 10.4.

Apart from these parameters, RVC has some special features like

target PF in regenerative mode, linear or circular switching mode,

overvoltage and undervoltage threshold limit. (refer to 10.4.)

Note: any parameter set automatically by the controller can later be

overwritten by the user by using MAN SET mode.

PROGRAMMABLE PARAMETERS

Following are the user programmable parameters with acceptable

values indicated.

COS

ϕϕ

The controller has to reach the target cos ϕby switching steps.

0.7 ind cos phi 0.7 cap.

PHASE

Used to correct the phase shift due to all possible connections of CT

and voltage circuit (refer to # 11.)

RVA Manual TEXT-final.qxd 5/12/2005 16:57 Page 7

C/k

It is the sensitivity of the controller which is set to about 2/3 of the

current of the smallest switched step. C/k is related to the power of

smallest step (Q in kvar), V (nominal voltage in V), k (CT ratio).

0.01 c/k 3.00 (refer to # 9. C/k table for a 3-phase / 400V

system, or use formula given in # 9. for other cases).

DELAY

1 sec switching delay 999 sec. Default setting is 40 seconds.

STEPS

There are max. 12 outputs, each can be set from 0 (disabled), 1...9,

or F (fixed).

‘1’ represents the smallest switched step (refer to c/k ratio). A typical

sequence could be 1:1:2:4... for a 200 kvar bank with 25 kvar as

smallest (represented by ‘1’) and 100 kvar as biggest (‘4’) steps.

‘0’ means that the output is never connected.

‘F’ means that the output is always connected unless a protection

event arises.

FEATURE 1: Linear / circular (refer to # 8.)

Linear: last in first out Circular: first in first out

FEATURE 2: Generative / regenerative target cos

ϕϕ

An alternative target cos ϕis activated when power flow is reversed

(P < 0).

- 0.7 cos phi - 1.0.

The negative sign indicates regenerative mode.

Protection 1 & 2: Overvoltage (Max Vrms)/undervoltage (Min Vrms)

User settable parameter for protection of capacitor bank.

Recommended values: 0.9 Vnom < Vmin ; Vmax < 1.1 Vnom.

If the system voltage exceeds this limit, all steps are disconnected

one by one. In case of undervoltage, the disconnection is faster (< 1

network period).

Below certain specified voltage, these protections are disabled. This

condition is shown by a “ “ display on the screen.

RVA Manual TEXT-final.qxd 5/12/2005 16:57 Page 8

Protection 3: Over THDV (Max THDV)

If the THDV exceeds this over THDV limit set by the user, all steps

are disconnected. The reset delay time (default 40 sec) is

automatically doubled each time this event takes place.

Below certain specified THD level, this protection is disabled. This

condition is shown by a “ “ display on the screen.

ALARM AND PROTECTION

RVC controller has a Normally Open (NO) type of alarm contact.

This contact activates (OPEN) when the following situation arise:

Reset blinking closed disconnected

(40s)

Alarm ON open all connected

cos ϕϕsince more than

6 min.

Over- ON blinking ON open disconnected when

temperature T internal > 85°C

Over- ON blinking ON open disconnected

voltage

Under- ON blinking ON open fast disconnection

voltage <1 network period

Over ON blinking ON open disconnected

THDV

Alarm

relay

RVA Manual TEXT-final.qxd 5/12/2005 16:57 Page 9

Fault

The controller does not switch

on or off steps although there is

a considerable variable inductive

load.

The controller does not seem to

activate any steps.

One of the arrow indicators

flashes.

The preset power factor is not

achieved.

All capacitors are switched on

although the required reactive

power is relatively low.

The controller is connected but

does not work (nothing on

display).

The AUTO SET procedure stops

and the controller displays an

error message “FXX”.

All capacitors are switched off

and the alarm icon is on for more

than 40 sec.

Solution

• Check that the controller is in

automatic Mode.

• Check setting of phase shift

and C/k.

• Check that the CT short-circuit

bridge is removed.

Wait for the delay time between

switching and/or the power

outage delay time.

Normal situation when the actual

inductive current varies around

the set sensitivity (C/k).

At low or no load, a low power

factor can correspond to a very

small inductive current. The

corresponding capacitor steps

are too large for compensation.

If the average cos ϕover a

period of time is too low, the

preset cos ϕmay be increased.

Check settings of phase and C/k

values.

Check the voltage protection

settings, fuses and voltage

supply.

Please identify the meaning of

the error message (see table on

next page) and act accordingly.

Check the network voltage and

Vmax / Vmin / THDV max

protection parameters.

TROUBLESHOOTING

RVA Manual TEXT-final.qxd 5/12/2005 16:57 Page 10

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