DC Control Diagram Flashcards

1
Q

What closes - L Feeder #1&2. (6)

A
  1. DC External Power - CONNECTED
  2. Battery - NORM
  3. Battery - EMERG
  4. Transformer/Rectifier - ESS
  5. L Nose NC Switch - FLT
  6. L Emergency Generator Switch - EMERG
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2
Q

What closes - R Feeder #1&2 (7)

A
  1. DC External Power - CONNECTED
  2. Battery - NORM
  3. Battery - EMERG
  4. Transformer/Rectifier - ESS
  5. R Nose NC Switch - FLT
  6. R Emergency Generator Switch - EMERG
  7. Outside Battery Switch - ON
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3
Q

What closes - #1 Bus Tie Relay (3)

A
  1. DC External Power - CONNECTED
  2. Battery - NORM
  3. T/R - MAIN
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4
Q

What closes - #2 Bus Tie Relay (2)

A
  1. DC External power - CONNECTED

2. Battery - NORM

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5
Q

What closes - Norm Battery Relay #2 (3)

A
  1. DC External Power - CONNECTED
  2. Battery - NORM
  3. Outside Battery Switch - On
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6
Q

What closes - Norm Battery Relay #1 (2)

A
  1. DC External Power - CONNECTED

2. Battery - NORM

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7
Q

What closes - R Generator Emergency Tie Relay (1)

A
  1. R Emergency Generator Switch - EMERG
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8
Q

What closes - Emergency Battery Relay #2 (1)

A
  1. Battery - EMERG
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9
Q

What closes - Emergency Battery Relay #2A (4)

A
  1. DC External Power - CONNECTED
  2. Battery - EMERG
  3. T/R - ESS
  4. APU - > 95% on start
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10
Q

What closes - Emergency Battery Relay #1 (1)

A
  1. Battery - EMERG
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11
Q

What closes - Emergency Battery Relay #1A (4)

A
  1. DC External Power - CONNECTED
  2. Battery - EMERG
  3. T/R - ESS
  4. APU - >95% on start
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12
Q

What closes - L Generator Emergency Tie Relay (1)

A
  1. L Emergency Generator Switch - EMERG
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13
Q

What closes - Normal Battery Relay #1 (2)

A
  1. DC External Power - CONNECTED

2. Battery - NORM

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14
Q

What closes - Emergency Bus Tie Relay (4)

A
  1. DC External Power - CONNECTED
  2. Battery - EMERG
  3. T/R - ESS
  4. APU - >95% on start
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15
Q

Outside Battery Switch - ON. (2)

A
  1. Normal Battery Relay #2

2. R Feeder # 1&2

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16
Q

Battery - NORM. (6)

A
Normal Battery Relay #1
Normal Battery Relay #2
Bus Tie Relay #1
Bus Tie Relay #2
L Feeder #1&2
R Feeder #1&2
17
Q

BATT - EMERG (7)

A
  1. Emergency Battery Relay #1
  2. Emergency Battery Relay #1A
  3. Emergency Battery Relay #2
  4. Emergency Battery Relay #2A
  5. L Feeder #1&2
  6. R Feeder #1&2
  7. Emergency Bus Tie Relay
18
Q

T/R - MAIN (1)

A
  1. # 1 Bus Tie Relay
19
Q

T/R - ESS (5)

A
  1. Emergency Battery Relay # 1A
  2. Emergency Battery Relay # 2A
  3. Emergency Bus Tie Relay
  4. L Feeder #1&2
  5. R Feeder #1&2
20
Q

DC External Power - CONNECTED (9)

A
  1. Bus Tie Relay #1
  2. Bus Tie Relay #2
  3. L Feeder #1&2
  4. R Feeder #1&2
  5. Emergency Bus Tie Relay
  6. Normal Battery Relay #1
  7. Normal Battery Relay #2
  8. Emergency Battery Relay #1A
  9. Emergency Battery Relay #2A
21
Q

APU >95% (3)

A
  1. Emergency Battery Relay #1A
  2. Emergency Battery Relay #2A
  3. Emergency Bus Tie Relay
22
Q

R Emergency Generator Switch - EMERG (2)

A
  1. R Feeder #1&2

2. R Generator Emergency Tie Relay

23
Q

L Emergency Generator Switch - EMERG (2)

A
  1. L Feeder #1&2

2. L Generator Emergency Tie Relay

24
Q

INV ALTNR PWR Switch

Skip Switch

A

A - Powers A Inverter and Primary AC Bus

C - Powers C Inverter and Secondary AC Bus