Ct-7000 operating instructions – Vanguard CT-7000 User Manual

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CT-7000 Operating Instructions

9.0 Operating Procedures

The main steps to time a circuit breaker are listed in Figure 9.0.

Figure 9.0 CT-7000 Operating Steps

NOTE

To reduce the possibility of damaging the CT-7000 contact channels due to static
discharge in the high voltage substations, it is recommend to ground one side of
the breaker’s bushings.

HOOKUP CT-7000
1. GROUND THE CT-7000 (See NOTE)
2. CONNECT CT-7000 CABLES TO BREAKER
3. INSTALL TRANSDUCER WITH CABLE

APPLY POWER

1. TURN THE CT-7000 ON
2. PERFORM SELF TESTS: HOOK-UP TEST,
CABLE TEST, IF NECESSARY

TIMER BREAKER
1. SELECT THE CT-7000 TEST
2. OPERATE THE BREAKER

GET RESULTS
1. READ OR PRINT THE TABULATED RESULTS
2. PRINT THE GRAPHICAL RESULTS
3. SAVE THE TIMING SHOT