CD Automation CD3000S2PH Manuale utente

USER’S MANUAL

Rev. 12/2004

CD3000S-

2PH

THYRISTOR UNIT

From

125A

700A

CD Automation S.r.l.

Via Picasso 34/36 -20025 –Legnano (MI) –Italy

Tel +39 0331 577479 –Fax +39 0331 579479

E-Mail: [email protected] -WEB: www.cdautomation.com

User’s Manual CD3000S-2PH from 125A to 700A

C.D. Automation Srl

www.cdautomation.com 0

CD3000S-2PH Thyristor Unit from 125A to 700A

Index:

1. Glossary 4

1.1 Terminology 4

1.2 Input signal 4

1.3 Power feed back 4

1.4 What is a thyristor unit 4

2. Technical specifications 5

2.1 General Features: 5

2.2 Input features 5

2.3 Output features 6

2.4 Derating curve 6

2.5 Fans 6

3. Ordering information 7

4. Installation and wiring information 8

4.1 Identification of the unit 8

4.2 Installation 8

4.3 Dimensions 9

4.4 Fixing Holes 10

5. Wiring Instructions 11

5.1 Removing the cover 11

5.2 Cabling detail 14

5.3 Wiring connection 16

5.4 LED Status Table 17

6. Start up 18

6.1 Auxiliary supply 19

6.2 Input configuration 20

7. Thyristor firing mode 21

7.1 Zero Crossing(ZC) 21

8. Fuses and fuseholder 22

8.1 Fuses and Fuse Code 22

C.D. Automation Srl CD3000S-2PH from 125A to 700A User’s Manual

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9. Maintenance 23

9.1 Trouble Shooting 23

9.2 Repairing procedure 24

9.3 Fans 24

9.4 Servicing 24

9.5 Warranty conditions 24

10. CD Automation's distributors 25

User’s Manual CD3000S-2PH from 125A to 700A

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CAUTION

Thyristor units are used in power industrial equipment. When the thyristor unit is working, there are

on the unit the following voltages

-Maximum main supply voltage on power terminals up to 600V.

-Auxiliary supply 230-460Vac.

-Fan voltage 230Vac 50/60Hz Power consumption 14W.

Don't remove the plastic cover which provides adequate protection against electric shock.

Don’t use this thyristor in aerospace and nuclear application.

Electric Shock Hazard (Risque the choque électrique)

When thyristor unit has been connected to main supply voltage and is switched off, before to touch

it be secure that the unit is isolated and wait at least one minute to permit to discharge internal

capacitors. Thus be secure that:

•access to thyristor unit is only permitted to specialized personnel;

•the authorised personnel must read this manual before to have access to the unit;

•the access to the units must be denied to unauthorized personnel.

Important warnings(attention)

•Local regulations regarding electrical installation should be rigidly observed.

•Safety regulations must be rigidly observed.

•Don't bend components to maintain insulation distances.

•Protect the units from high temperature, humidity and vibrations.

•Don't touch components to prevent elettrostatichal discharges on them.

•Verify that all ratings are in line with real needs.

•If authorized personnel must measure voltage, current etc. on units, take away rings and other

jewels from fingers and hands.

•Authorized personnel working on thyristor unit under power supply voltage must work on insulated

board. Be secure that board is not connected to earth.

This listing does not represent a complete enumeration of all necessary safety cautions.

C.D. Automation Srl CD3000S-2PH from 125A to 700A User’s Manual

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Protection(protection)

CD3000 thyristor family has a polymeric plastic cover in compliance to International specification

IP20. To understand if IP20 protection is sufficient should be evaluated the installation place where

the units are installed.

Open Type Equipment(équipment de type ouvert).

Maximum surrounding air temperature 40°C(Temperature de l’air environnante maximum 40°C).

Earth(terre)

CD3000 family has isolated heatsink. For safety connect the heatsink to earth to avoid shocks in

case that circuit board or thyristors lost insulation. Earth impedance should be correspondent to

local earth regulation. Periodically the earth efficiency should be inspected.

Electronic Supply(alimentation électronique)

CD3000 family electronic circuit should be supplied by dedicated voltage supply for all electronic

circuit but not in parallel with contactor's coil, solenoids and other inductive or capacitive loads. It's

recomme nded to use a shielded transformer.

Electromagnetic compatibility (compatibilité électromagnétique)

Our thyristor unit has an excellent immunity to electromagnetic interferences if all suggestions

contained in this manual are respected. In respect to a good Engineering practise, all inductive

loads like solenoids contactor coils should have a filter in parallel.

Emissions (emission)

All thyristor switching at high speed generate some radiofrequency disturbance. CD3000 serie

complies with EMC rules for CE mark. In many installations near electronic devices has not been

noted problems. If radiofrequency device at low frequency are used near the thyristor unit, some

precautions should be taken like line filters and shielded cables for input signal and for load cables.

LISTED

NOTE

We reserves the right to apply modifications to the our products without any advice.

User’s Manual CD3000S-2PH from 125A to 700A

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1. Glossary

1.1 Terminology

V: voltage power supply.

I: the full circulating current in thyristor unit.

P: total load power.

1.2 Input signal

SSR: This input type is a square waveform generated by a temperature controller.

AN: Analog input.

IRS: Communication command.

1.3 Power feed back

Feedback: supply voltage fluctuation changes the power to the load. To overcome this effect the

voltage supplied to the load is measured and compared with power demand from controller, the error

signal is used to automatically hold the power at demanded level.

1.4 What is a thyristor unit

A thyristor unit is semiconductor device which acts as a switch formed by two thyristors in

antiparallel. To switch on the alternating current the input signal will be on and the thyristor will

switch off at first zero crossing voltage with no input signal. The benefits of thyristor units

compared with elettromechanical contactors are numerouses: no mooving parts, no maintenance

and capacity to switch very fast. Thyristors are the only solution to control transformers and

special loads that change resistance with temperature and with age.

LOAD

C.D. Automation Srl CD3000S-2PH from 125A to 700A User’s Manual

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2. Technical specifications

2.1 General Features:

Operating temperature 0÷45°C for higher temperature see derating curve

Voltage power supply 24V minimum, 480V max and 600V on request

Input signal SSR

Firing mode Zero Crossing (ZC)

Auxiliary voltage supply 230 à200÷230V ±15%; 10 VA power consumption

460 à300÷460V ±15%; 10 VA power consumption

Fan voltage supply 230V ±15%;

110V ±15% on request

Fuses Internal

Mounting Bulk head mounting

Protection IP20

2.2 Input features

Input signal Maximum current

drain

Input

Impedance ON condition OFF condition

SSR 5mA constant current ≥4V-max 30V ≤1V

User’s Manual CD3000S-2PH from 125A to 700A

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2.3 Output features

Current Voltage range Ripetitive peak

reverse voltage

Latching

current

Max peak

one cycle

Leakage

current

I2T value for

fusing

Frequency

range

Power

loss

Isolation

Voltage

(A) (V) (440V) (500V) (mAeff)

(10msec.) (A)

(mAeff)

tp=10msec.

(Hz) I=Inom

(W) Vac

125 24÷500 1200 1600 450 2000 15 19100 47÷70 255 2500

150 24÷500 1200 1600 300 5250 15 128000 47÷70 268 2500

200 24÷500 1200 1600 300 5250 15 128000 47÷70 380 2500

275 24÷500 1200 1600 300 4800 15 108000 47÷70 623 2500

400 24÷500 1200 1600 200 7800 15 300000 47÷70 875 2500

450 24÷500 1200 1600 200 7800 15 300000 47÷70 1021 2500

500 24÷500 1200 1600 200 8000 15 306000 47÷70 1061 2500

600 24÷500 1200 1600 1000 17800 15 1027000 47÷70 1178 2500

700 24÷500 1200 1600 1000 17800 15 1027000 47÷70 1425 2500

2.4 Derating curve

0.8

0.6

0.4

0.2

045 55 65 75 85

°C

I = I x K

NOMMAX

2.5 Fans

The thyristor units are equiped with a fan. The fan supply must be protected with a fuse.

Fan voltage supply is standard 230VAC ±15% 50/60Hz or optional 110VAC ±15% 50/60Hz.

The power consumption is given in the table below.

Size Number of fans

LISTED

Number of fans

125A, 150A, 200A One Fan -14W One Fan -14W

275A, 450A, 700A Four Fan -60W Four Fan -60W

400A, 500A, 600A Two Fans -30W Four Fan -60W

C.D. Automation Srl CD3000S-2PH from 125A to 700A User’s Manual

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3. Ordering information

Model CD3000S 2PH

1234567

CD3000S-2PH

Ex:CD3000S 2PH/ 150A/ 400V/ 480V/ 230V/ SSR/ ZC/ UL

1 Nominal CURRENT of CD3000S

125A 275A 500A

150A 400A 600A

200A 450A 700A

2 Operating Load Voltage (incoming voltage supply)

Specify the value of the line supply.

3 Max VOLTAGE of CD3000S

480V

600V

The voltage on the identification label must be equal or more than

operating voltage. The minimum voltage supply to the load is 24V.

Auxiliary Voltage

230V 200÷230V ±15%; 10VA

460V 300÷460V ±15%; 10VA

600V 600V ±15%; 10VA (on request)

Input

SSR 4÷30VDC

Firing

ZC Zero Crossing

Options

FAN110 Fan voltage supply 110VAC ±15% (std 230VAC ±15%)

14W 50/60Hz

UL UL Certification

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