Systems - Transformers Flashcards
1
Q
TR-10 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: NE or 34kV Relay House P/S: 34kV Relay House LP Input V: 138kV Yard Output V: 34.5kV Yard Cooling: FOA
2
Q
TR12 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: N. of U1 TB P/S: LP 5L Input V: 138kV Yard Output V: 4kV (Bus 11 & 12) Cooling: OA-FA
3
Q
TR2 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: N of U2 TB P/S: Bus 26 (Alt Bus 25); Power Seeking ABT Input V: 18kV (Generator) Output V: 345 kV Yard Cooling: FOA
4
Q
TR21 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: South of TR2 P/S: MCC25-2 Input V: 18kV (Gen.) Output V: 4kV (Bus 21 & 23; Reserve to Bus 22 and 24) Cooling: FOA
5
Q
TR22 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: N of U2 TB (E of UAT) P/S: MCC 26-4 Input V: 138kV (Yard) Output V: 4kV (Bus 22 & 24; Res to Bus 21 & 23) Cooling: OA-FA
6
Q
TR3 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: N of U3 TB P/S: Bus 36; Alt Bus 35 (Power Seeking ABT) Input V: 18kV (Gen) Output V: 345 kV (Yard) Cooling: FOA
7
Q
TR31 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: S of TR3 (under Isophase Bus) P/S: MCC 35-2 Input V: 18kV (Gen) Output V: 4kV (Bus 31&33; Res. to Bus 32&34 Cooling:FOA
8
Q
TR32 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: N of U3 TB (W of UAT) P/S: Chem Bldg 480VAC Supply Breaker (MCC 36-1 Emergency) Input V: 345kV Output V: 4kV (Bus 32&34, Res. to 31&33) Cooling: OA-FA
9
Q
TR-041 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: Lift Station P/S: MCC051 Input V:138kV Yard Output V: 4kV (Bus 41) Cooling: OA-FA
10
Q
TR-041R Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: Lift Station P/S: MCC 051 Input V: 34.5kV Output V: 4kV (Bus 41) Cooling: OA-FA
11
Q
TR 81 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: NW 345kV Yard P/S: 345kV Blue Bus Bus 25; Sec. 345kV Red Bus Bus 36 (Telemand Auto Swap) Input V: 345kV Yard Output V: 138kV Yard Cooling: FOA
12
Q
TR 83 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: Middle (east side-Red Bus) 345kV Yard
P/S: 345 Red Bus (Bus 36); Alt 345 Blue Bus (Bus 25) (Telemand)
Input V: 345kV Yard
Output V: 138kV Yard
Cooling: FOA
13
Q
TR86 Where? What powers it? What are the input and output voltages? What type of cooling?
A
Location: East (Exterior) 345kV Blue Bus P/S: 34kV L1266 12kV Feeder Line J661 - Normal Seeking Input V: 345kV (Yard) Output V: 138kV (Yard) Cooling: OA-FA
14
Q
TR Deluge System Activation
What causes activation?
A
1) Sudden Pressure Relay Activation
2) Differential Relay Activation
3) Manual
* **Heat Detector sends alarm, but does not activate
15
Q
Sudden Pressure Relay
What initiates?
What type of signal?
Initiation logic?
A
- Upon rapid change in tank pressure, switch activated to ALARM, LOCKOUT, and DELUGE
- MPTs 2 out of 2; TR 81&83 1 out of 1; All others 2 out of 3
