Interface Board - Remove and Install - Static Switch Interface Board
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Illustration 1 | g00808758 |
Static Switch Driver Board (1) "J2 C IGBT Gate Drive" (2) "J3 C' IGBT Gate Drive" (3) "J4 B IGBT Gate Drive" (4) "J5 B' IGBT Gate Drive" (5) "J6 A IGBT Gate Drive" (6) "J8 A' IGBT Gate Drive" (7) "J9 External Thermistor" (8) "J7 APC I/O" (9) "J7 +24V Power In" |
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Illustration 2 | g00669719 |
(10) Static Switch Driver Board |
Removal Procedure
- Place the system in bypass mode by turning the keyswitch to the Bypass position.
- Isolate the system from the load by closing the bypass circuit breakers.
- Open the circuit breaker for the output of the system.
- Open the AC circuit breaker for the input of the system.
- Allow the capacitor banks to bleed down for approximately 5 minutes.
Note: When the flywheel is spinning, the following components are energized: the bus, the armature leads and the fuses. Accomplish the procedure as quickly as possible. During the procedure, the rotor is spinning on the bottom bearing.
- Label all the input wires and all of the output wires.
- Disconnect the "+24V POWER" connector from terminal "J7" (9) .
- Disconnect the "APC I/O" connector from terminal "J1" (8) .
- Disconnect the "External Thermistor" connector from terminal "J9" (7) .
- Disconnect the "A'" connector from terminal "J8" (6) .
- Disconnect the "A" connector from terminal "J6" (5) .
- Disconnect the "B'" connector from terminal "J5" (4) .
- Disconnect the "B" connector from terminal "J4" (3) .
- Disconnect the "C'" connector from terminal "J3" (2) .
- Disconnect the "C" connector from terminal "J2" (1) .
- Remove four mounting screws. Remove the board.
Installation Procedure
- Install the board and the four mounting screws.
- Connect the "C" connector to terminal "J2" (1) .
- Connect the "C'" connector to terminal "J3" (2) .
- Connect the "B" connector to terminal "J4" (3) .
- Connect the "B'" connector to terminal "J5" (4) .
- Connect the "A" connector to terminal "J6" (5) .
- Connect the "A'" connector to terminal "J8" (6) .
- Connect the "External Thermistor" connector to terminal "J9" (7) .
- Connect the "APC I/O" connector to terminal "J1" (8) .
- Connect the "+24V POWER" connector to terminal "J7" (9) .
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