Circutor Optim EMS-C Series Manual de usuario

INSTRUCTION MANUAL

(M057B01-03-19A)

Low voltage capacitor bank with static

switching operation.

OPTIM EMS-C series

Instruction Manual

SAFETY PRECAUTIONS

DISCLAIMER

CIRCUTOR, SA reserves the right to make modi cations to the device or the unit speci ca-

tions set out in this instruction manual without prior notice.

CIRCUTOR, SA on its web site, supplies its customers with the latest versions of the device

speci cations and the most updated manuals.

www.circutor.com

CIRCUTOR, recommends using the original cables and accessories that are

supplied with the device.

DANGER

Warns of a risk, which could result in personal injury or material damage.

ATTENTION

Indicates that special attention should be paid to a speci c point.

Follow the warnings described in this manual with the symbols shown below.

If you must handle the unit for its installation, start-up or maintenance, the following

should be taken into consideration:

Incorrect handling or installation of the unit may result in injury to personnel as well as damage

to the unit. In particular, handling with voltages applied may result in electric shock, which may

cause death or serious injury to personnel. Defective installation or maintenance may also

lead to the risk of  re.

Read the manual carefully prior to connecting the unit. Follow all installation and maintenance

instructions throughout the unit’s working life. Pay special attention to the installation stan-

dards of the National Electrical Code.

Refer to the instruction manual before using the unit

In this manual, if the instructions marked with this symbol are not respected or carried out correctly, it can

result in injury or damage to the unit and /or installations.

CIRCUTOR, SA reserves the right to modify features or the product manual without prior noti cation.

Instruction Manual

OPTIM EMS-C series

CONTENTS

SAFETY PRECAUTIONS .......................................................................................................................................3

DISCLAIMER ..........................................................................................................................................................3

CONTENTS.............................................................................................................................................................4

REVISION LOG.......................................................................................................................................................5

1.- VERIFICATION UPON RECEPTION................................................................................................................. 6

1.1.- RECEPTION PROTOCOL..........................................................................................................................6

1.2.- TRANSPORT AND HANDLING .................................................................................................................6

1.3.- STORAGE...................................................................................................................................................7

2.- PRODUCT DESCRIPTION................................................................................................................................8

2.1.- CAPACITOR BANK COMPONENTS.........................................................................................................8

2.1.1. FAST REGULATOR.............................................................................................................................. 8

2.1.2. CPC4 BOARD: ZERO SWITCHING STEP CONNECTION CONTROL...............................................8

2.1.3. POWER BLOCK ................................................................................................................................... 9

3.- INSTALLATION ...............................................................................................................................................10

3.1.- PRELIMINARY RECOMMENDATIONS ................................................................................................... 10

3.2.- PREPARATION......................................................................................................................................... 11

3.3.- INSTALLATION LOCATION..................................................................................................................... 12

3.4.-CONNECTION OF THE CAPACITOR BANK TO THE MAINS................................................................. 13

3.5.-POWER CIRCUIT ...................................................................................................................................... 13

3.6.- EXTERNAL ISOLATION AND PROTECTION ELEMENTS..................................................................... 14

3.7.- AUXILIARY CONTROL VOLTAGE........................................................................................................... 14

3.8.- EARTH CABLE CONNECTION ...............................................................................................................14

3.9.- CURRENT TRANSFORMER (CT) CONNECTION ................................................................................. 15

4.- STATIC CAPACITOR BANK START-UP......................................................................................................... 17

4.1.- BEFORE START-UP.................................................................................................................................17

4.2.- START-UP.................................................................................................................................................17

4.3.- CHECKS AFTER THE CAPACITOR BANK IS CONNECTED AND THE REGULATOR ADJUSTED.... 19

5.- MAINTENANCE...............................................................................................................................................20

5.1.- SAFETY REGULATIONS .........................................................................................................................20

5.2.- MAINTENANCE WITH THE CAPACITOR BANK DISCONNECTED...................................................... 20

5.2.1. BASIC MAINTENANCE PROTOCOL ................................................................................................20

5.2.2. TIGHTENING TORQUE OF THE ELECTRICAL CONNECTIONS .................................................... 21

5.2.3. KEY POINTS FOR INSPECTING STATIC SWITCHES......................................................................21

5.2.4. KEY POINTS FOR INSPECTING CAPACITORS...............................................................................21

5.2.5. KEY POINTS FOR INSPECTING THE REGULATOR .......................................................................21

5.2.6. CLEANING THE CABINET ................................................................................................................ 22

5.3.- MAINTENANCE WITH THE CAPACITOR BANK CONNECTED ............................................................22

5.3.1. REGULATOR CHECKS...................................................................................................................... 23

6.- TECHNICAL FEATURES ................................................................................................................................24

7.- OPTIM EMS-C TYPE DIAGRAM.....................................................................................................................25

8.- MAINTENANCE AND TECHNICAL SERVICE................................................................................................ 26

9.- GUARANTEE...................................................................................................................................................26

10.- CE CERTIFICATE..........................................................................................................................................27

OPTIM EMS-C series

Instruction Manual

REVISION LOG

Table 1: Revision log.

Date Revision Description

10/14 M057B01-03-14A Initial Version

11/19 M057B01-03-19A Changes in the following sections:

3.2. - 4.2. - 10.

Note: The images of the units are solely for the purpose of illustration and may differ from the

original unit.

Instruction Manual

OPTIM EMS-C series

1.- VERIFICATION UPON RECEPTION

1.1.- RECEPTION PROTOCOL

Check the following points when you receive the unit:

a) The unit meets the specications described in your order.

b) The unit has not suffered any damage during transport.

c) Perform an external visual inspection of the unit prior to switching it on.

d) Check that it has been delivered with the following:

- The unit manual

- The regulator installation guide.

If any problem is noticed upon reception, immediately contact the transport

company and/or CIRCUTOR's after-sales service.

1.2.- TRANSPORT AND HANDLING

The transport, loading and unloading and handling of the unit must be carried

out with proper precautions and using the proper manual and mechanical

tools so as not to damage it.

If the unit is not to be immediately installed, it must be stored at a location

with a rm and level oor, and the storage conditions listed in the technical

features section must be observed. In this case, it is recommended that the

unit be stored with its original protective packaging.

To move the unit a short distance, the unit's oor support proles facilitate handling with a pallet

jack or forklift. (Figure 1)

Figure 1: Transport with pallet jack.

The centre of gravity of some units may be found at a considerable height.

Therefore, when handling with a forklift, it is recommended that the unit be

securely fastened and that no abrupt manoeuvres made. The unit should not

be lifted more than 20 cm off the ground

OPTIM EMS-C series

Instruction Manual

When unloading and moving the unit, use a forklift with forks long enough to support the entire

length of the base. Otherwise, the forks should be long enough to support at least ¾ of said

depth. The forks must be at and supported rmly by the base. Raise the cabinet by placing the

forks underneath the prole that supports the unit. (Figure 2).

There might be an offset in the centre of gravity from the centre of the cabinet,

as a result of the uneven distribution of loads inside the unit. The necessary

precautions must be taken to prevent the unit from tipping over during abrupt

operations.

Figure 2: Unloading with a forklift.

1.3.- STORAGE

The following storage recommendations shall be followed for the static capacitor banks:

 Avoid placing them on uneven surfaces.

 Do not store them in outdoor areas, humid areas or areas exposed to splashing

water.

 Avoid hot spots (maximum ambient temperature: 40 ºC)

 Avoid salty and corrosive environments.

 Avoid storing the units in areas where a lot of dust is generated or where the risk of

chemical or other types of contamination is present.

 Do not place any weight on top of the unit cabinets.

Instruction Manual

OPTIM EMS-C series

2.- PRODUCT DESCRIPTION

The purpose of this manual is to assist during the installation, start-up and maintenance of

OPTIM EM-C series low voltage (LV) capacitor banks with static switching operation. Carefully

read the manual to achieve the best performance from said units.

2.1.- CAPACITOR BANK COMPONENTS

From the electrical standpoint, the unit is made up of the following blocks:

2.1.1. FAST REGULATOR

The static capacitor banks are equipped with Computer Max 6f V12dc fast regulators, which

have static outputs, that is, instead of an output via relay contact, these regulators have a sem-

iconductor-based switch, which enables them to perform operations in fast succession and in

practically every network cycle.

These outputs provide a 12 Vdc activation signal to the + and - inputs of the connection control-

ler boards, as opposed to the CPC4 type zero voltage.

Fast regulators enable regulation with minimum delay, generally between 20 and 100 ms (See

the manual or quick guide of the specic regulator being used)

2.1.2. CPC4 BOARD: ZERO SWITCHING STEP CONNECTION CONTROL

The static capacitor banks come equipped with CP4 boards.

The role of the CPC panel is to control the zero switching step connection of the thyristor-diode

modules, and so avoid connection current transients.

The standard connection diagram of a step can be seen in Figure 3 and with more detail in

section “7.- OPTIM EMS-C TYPE DIAGRAM”.

The CPC panels are activated via a 12 Vdc signal supplied by the 6f V12dc Computer Max

regulator outputs. The standard CPC4 is ready for Umax = 440 V mains.

OPTIM EMS-C series

Instruction Manual

Th-D 1

Th-D 2

PPPC1

PPPC2

U2 V2 W2

1 3 5

2 4 6

Radiador

PLACA

1G1

CPC4

CONTROL

1K1

PLACA

1G1

CPC4

CONTROL

1K1

12VDC

Mando

Alimentación Potencia

Conexión a Condensador de 3 Bornes

Figure 3: Basic connection diagram of the CPC4 to the power block.

2.1.3. POWER BLOCK

The power block of an OPTIM EMS-C unit consists of 2 to 4 groups of thyristor-diode semicon-

ductors + three-phase capacitor + three-pole circuit breaker.

Each group is composed of a cylindrical capacitor with 3 terminals, 2 thyristor-diode modules

attached to a general heatsink and suitable protection elements for the module power (three-

pole circuit breaker).

Instruction Manual

OPTIM EMS-C series

3.- INSTALLATION

3.1.- PRELIMINARY RECOMMENDATIONS

In order to use the unit safely, it is critical that individuals who handle it follow the

safety measures set out in the standards of the country where it is being used,

use the personal protective equipment necessary, and pay attention to the vari-

ous warnings indicated in this instruction manual.

Installation or maintenance personnel should read and understand this manual

before operating the unit.

A copy of this manual should always be available to maintenance personnel for

reference purposes

Connecting the unit to the public mains must be carried out in compliance with

the EN-IEC60204-1 standard, regarding the safety of LV electrical installations.

It is recommended that several personnel are present when handling the unit for

installation or maintenance.

If damage or faults are detected during unit operation, or in circumstances that

compromise safety, immediately stop work in that area and disconnect the unit in

order to check it without voltage.

The manufacturer of the unit is not responsible for any damage resulting from failure by the

user or installer to heed the warnings and/or recommendations set out in this manual, nor for

damages resulting from the use of non-original products or accessories or those made by other

manufactures.

If an anomaly or malfunction is detected in the unit, do not use it to perform any operation.

Modifying, upgrading or rebuilding the unit without written authorisation from the

manufacturer is prohibited.

The installation, operation and maintenance of low voltage (LV) units must only

be carried out by authorised installers. LV regulations (Art. 22) specically dene

the requirements that authorised installers must meet.

Do not access the active elements of a capacitor bank with static operation that

has been powered and might have voltages present. Wait at least 5 minutes af-

ter the power supply has been disconnected.

OPTIM EMS-C series

Instruction Manual

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