Vanguard Instruments CBPS-300 Manuel utilisateur

OPERATING INSTRUCTIONS

for the

CBPS-300™

CIRCUIT BREAKER

DC POWER SUPPLY

Vanguard Instruments Company

1710 Grevillea Court

Ontario, California 91761

TEL: (909) 923-9390 April 2003

FAX: (909) 923-9391 Rev 1

CBPS-300 OPERATING INSTRUCTIONS

SAFETY WARNINGS AND CAUTIONS

Only trained operators shall use this device. All circuit breakers under test shall be off line and

fully isolated.

Do Not Service or Test Alone

Do not perform test procedures or service unless another person is also present who is capable of

rendering aid and resuscitation.

Do Not Modify Test Equipment

Due to the added risk of introducing additional or unknown hazards, do not install substitute

parts or perform any unauthorized modification to any CBPS-300 test unit. To ensure that all

designed safety features are maintained, it is recommended that repairs be performed only by

Vanguard Instruments Company’s factory personnel or by an authorized repair service center.

Unauthorized modifications can cause serious safety hazards and will nullify the manufacturer's

warranty.

Follow Exact Operating Procedures

Any deviation from the procedures described in the operator’s manual may create one or more

safety hazards, damage the CBPS-300 and the test transformer, or cause errors in the test results.

Vanguard Instruments Company, Incorporated assumes no liability for unsafe or improper use of

the CBPS-300.

CBPS-300 OPERATING INSTRUCTIONS

Table of Contents

1.0 INTRODUCTION...................................................................................................... 4

1.1 GENERAL DESCRIPTION........................................................................................... 4

1.2 FUNCTIONAL DESCRIPTION ...................................................................................... 4

1.3 FURNISHED ACCESSORIES....................................................................................... 4

2.0 CBPS-300 SPECIFICATIONS ................................................................................. 5

3.0 CONTROLS and INDICATORS ............................................................................... 6

4.0 PRETEST SETUP.................................................................................................... 9

4.1 OPERATING VOLTAGES............................................................................................ 9

5.0 OPERATING PROCEDURES................................................................................ 10

5.1 CBPS-300 CABLE CONNECTION ............................................................................ 10

5.2 GENERAL PROCEDURES ........................................................................................ 11

5.3 TEST OPEN COIL PROCEDURE ............................................................................. 11

5.4 TEST CLOSE COIL PROCEDURE ........................................................................... 11

5.5 ENERGIZE SPRING CHARGING MOTOR PROCEDURE ................................................ 12

5.6 REMOTE CONTROL MODE ...................................................................................... 12

CBPS-300 OPERATING INSTRUCTIONS

List of Tables

Table 1.0 CBPS-300 SPECIFICATIONS....................................................................... 5

Table 2.0 Functional Descriptions of the CBPS-300 Controls and Indicators................ 7

Table 2.0 Functional Descriptions of CBPS-300 Controls and Indicators Cont. ............ 8

List of Figures

Figure 1.0 CBPS-300 Controls and Indicators................................................................ 6

Figure 2.0 90 to 130Vac Switch Setting.......................................................................... 9

Figure 3.0 200 to 240 Vac Switch setting ....................................................................... 9

Figure 4.0 Typical CBPS-300 Connection Diagram...................................................... 10

CBPS-300 OPERATING INSTRUCTIONS

1.0 INTRODUCTION

1.1 General Description

Vanguard Instruments Company produces

the CBPS-300 as a microprocessor-

controlled circuit breaker DC power supply.

This device was designed to replace the

substation batteries during circuit breaker

testing.

The CBPS provides a ripple free, DC power

source to operate utility circuit breakers for

contact-timing and other breaker operations.

The CBPS-300 allows the user to operate

the OPEN and CLOSE coils of a circuit

breaker during tests under different

selectable operating conditions such as full

voltage or minimum voltage operations.

External trigger input allows the CBPS-300

to be used with the Vanguard Instruments

circuit breaker timers.

A separate DC supply is also available to

drive the breaker mechanism charging

motor.

All CBPS-300 supply outputs are over

current and short circuit protected. This

feature protects the CBPS-300 power-

supplies and eliminates the use of

conventional fuses or circuit breaker

protection circuitry.

The CBPS-300 test voltage is selectable

from 24Vdc to 250Vdc. The voltage control

knob on the CBPS-300 front panel allows

the operators to select test voltages.

Coil or charging motor voltage reading is

displayed on a 2 line by 16-character back lit

LCD screen. Push button switches marked

OPEN, CLOSE and MOTOR are used to

operate the breaker’s respected coils and

charging motor

1.2 Functional Description

The CBPS-300 is a variable voltage DC

power supply designed specifically to

perform maintenance test on circuit

breakers. The CBPS-300 DC voltage is

selectable for 24Vdc to 250Vdc. Its ripple

free DC output voltage is regulated up to 2%

voltage variation under-load; making it an

ideal device for testing circuit breaker coils

under different operating voltages.

A built-in initiate circuit allows the user to

OPEN or CLOSE breakers from the CBPS-

300 control panel.

The CBPS-300 will energize the breaker trip

or close coil for one-second duration. This

initiate circuit is over current and short

circuit protected. Reset key on the front

panel allows the user to clear the fault

condition.

An unfiltered DC supply is also available to

drive the breaker mechanism charging

motor.

A voltage control knob allows the user to set

coil or motor test DC voltage. DC voltage

output is shown on the 2 lines by 16

characters back-lighted LCD.

1.3 Furnished Accessories

The CBPS-300 is shipped with six 10-foot

test cables with “quick disconnect” type test

plugs on the unit end, and alligator clips at

the test load end. The following cables shall

also be included with the CBPS-300: One

power cord, One ground cable and a cable-

carrying bag.

CBPS-300 OPERATING INSTRUCTIONS

2.0 CBPS-300 SPECIFICATIONS

Table 1.0 CBPS-300 SPECIFICATIONS

TYPE Special-purpose test equipment, Variable DC Power Supply

SIZE (inches) 16.8” wide by 12.6” high by 12”deep (42.6cm x 32 cm x 27cm)

WEIGHT 60 pounds (27 Kg)

INPUT POWER 120 Vac or 240Vac selectable, 50/60Hz

DISPLAY 2 line by 16 character back-lighted LCD

VOLT METER DISPLAY 0-300VDC, ±1 V

OUTPUT VOLTAGE 12 to 250 Vdc

COIL DC POWER SUPPLY

DC OUTPUT CURRENT REGULATION

24 Vdc 10A <6%

48 Vdc 10A <3%

120 Vdc 6A <2%

250 Vdc 3A <2%

CHARGING MOTOR DC POWER SUPPLY

NO LOAD VLTG LOAD CURRENT LOAD INTERVAL FULL LOAD VLTG

48 Vdc 12A 60 S 40 Vdc

48 Vdc 18A 20 S 30 Vdc

120 Vdc 12A 60 S 90 Vdc

120 Vdc 18A 20 S 70 Vdc

240 Vdc 6A 60 S 200 Vdc

240 Vdc 9A 20 S 185 Vdc

OUTPUT PROTECTION All DC outputs are over-current protected

ENVIRONMENT Operating: -10°C to 55°C; Storage: -40°C to 65°C

WARRANTY One-year parts & labor (post warranty service is available)

NOTE:

THE ABOVE SPECIFICATIONS ARE VALID AT NOMINAL OPERATING VOLTAGE AND AT A TEMPERATURE OF 25

C (77

CBPS-300



SPECIFICATIONS MAY BE UPGRADED AND CHANGED WITHOUT PRIOR NOTICE.

CBPS-300 OPERATING INSTRUCTIONS

3.0 CONTROLS AND INDICATORS

CBPS-300 controls and indicators are shown

in Figure 1.0. The leader line with an index

number points to each control or indicator,

which is then cross-referenced to a

functional description in Table 2.0. The

table describes the function of each item on

the control-panel. The purpose of the

controls and indicators may seem obvious,

but users should become familiar with them

before using the CBPS-300. Accidental

misuse of the controls may damage the

CBPS-300. Users should also be familiar

with the Safety Warnings and Cautions

found on the front page of this operator’s

manual.

Figure 1.0 CBPS-300 Controls and Indicators

CBPS-300 OPERATING INSTRUCTIONS

Table 2.0 Functional Descriptions of the CBPS-300 Controls and Indicators

Fig. 1

Index Panel Markings Functional Descriptions

1NONE

OPEN coil voltage positive terminal. Female,

Red connector jacks used for connecting voltage

test leads.

2NONE

OPEN coil voltage negative terminal. Female,

Black connector jacks used for connecting

voltage test leads.

3NONE

CLOSE coil voltage positive terminal. Female,

Red connector jacks used for connecting voltage

test leads.

4 EXT TRIGGER

External trigger input for remote control. This

input is to be used with the Vanguard

Instruments Company circuit breaker timers.

Female, 4 pin connector.

5NONE

CLOSE coil voltage negative terminal. Female,

Black connector jacks used for connecting

voltage test leads.

6NONE

MOTOR voltage positive terminal. Female, Red

connector jacks used for connecting voltage test

leads.

7NONE

MOTOR coil voltage negative terminal. Female,

Black connector jacks used for connecting

voltage test leads.

8 FAULT

RESET

Fault LED. Led is lit when over current is

detected.

RESET switch. Reset fault condition and ready

CBPS-300 for next operation.

9NONE

LCD; 2-line by 16-character; back-lighted;

Displays coil/motor voltages.

10 120/240 Vac, 8A, 50- 60 Hz Input power connector with third-wire safety

ground and 10A built-in circuit breaker

11 NONE

Safety Ground. A 5/16 threaded stud with hand-

turned wing nut. This must be connected to the

station ground before connecting any CBPS-300

test leads to the transformer.

CBPS-300 OPERATING INSTRUCTIONS

Table 2.0 Functional Descriptions of CBPS-300 Controls and Indicators Cont.

Fig. 1

Index Panel Markings Functional Descriptions

12 VOLTAGE

CONTROL

Voltage control knob.

13 COIL/MOTOR

Coil or Motor voltage display selection.

14 MOTOR

Motor voltage initiate switch. Depress switch to

energize motor.

15 CLOSE

Close coil initiate switch. Depress switch to

energize close coil. The CBPS-300 will

energized the close coil for 1 second period.

16 OPEN

Trip coil initiate switch. Depress switch to

energize close coil. The CBPS-300 will

energized the close coil for 1 second period.

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