System Fuse (Input/Output Cabinet)
The Input/Output Cabinet contains the control power fuses for power that is coming into the Input/Output Cabinet. The Input/Output Cabinet contains fuses for the Maintenance Bypass Option and the External Source Sync Option. The fuse blocks are located on the left panel of the Input/Output Cabinet.
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| Illustration 1 | g01273901 |
Input/Output Cabinet - Left Panel (11) GSM Breaker (1x GSM Option) (12) GSM Breaker (2x GSM Option) (13) Fuse Block F91-F93 (14) Fuse Block (Maintenance Bypass Option) F55,F56 (15) Fuse Block F11,F12 F17-F19 (16) Fuse Block F1-F3 F7-F10 (17) Terminal Block (External Source Sync Option) (18) ESS PWA (External Source Sync Option) (19) Fuse Block (External Source Sync Option) F64-F66 | |
Refer to Systems Operation, Testing and Adjusting, RENR7654, "General Information (Input/Output Cabinet)" for the location of the left panel in the cabinet. Refer to Illustration 1 for the locations of the fuses on the left panel. Refer to Illustration 2 for specific fuse locations.
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| Fuse | Amperes | Protects |
|---|---|---|
| F1 | 1 | High Voltage Interface Board in the Controls Cabinet at connector J5 |
| F2 | 1 | High Voltage Interface Board in the Controls Cabinet at connector J5 |
| F3 | 1 | High Voltage Interface Board in the Controls Cabinet at connector J5 |
| F7 | 2.5 | T1 Transformer in the Controls Cabinet |
| F8 | 2.5 | T1 Transformer in the Controls Cabinet |
| F9 | 2.5 | T2 Transformer in the Controls Cabinet |
| F10 | 2.5 | T2 Transformer in the Controls Cabinet |
| F11 | 7 | T5 Transformer in the Controls Cabinet |
| F12 | 7 | T5 Transformer in the Controls Cabinet |
| F17 | 30 | R17 and R18 resistors on the input (K1) side of the Input/Output Cabinet and the pre-charge power supply in the Static Switch cabinet |
| F18 | 30 | R17 and R18 resistors on the input (K1) side of the Input/Output Cabinet and the pre-charge power supply in the Static Switch cabinet |
| F19 | 30 | R17 and R18 resistors on the input (K1) side of the Input/Output Cabinet and the pre-charge power supply in the Static Switch cabinet |
| F55 | 4 | T10 Transformer in the Maintenance Bypass Cabinet (1) |
| F56 | 4 | T10 Transformer in the Maintenance Bypass Cabinet (1) |
| F64 | 1 | External Source Sync Board in the Input/Output cabinet (2) |
| F65 | 1 | External Source Sync Board in the Input/Output cabinet (2) |
| F66 | 1 | External Source Sync Board in the Input/Output Cabinet (2) |
| F91 | 1 | R19 and R20 resistors on the output (K5) side of the Input/Output Cabinet |
| F92 | 1 | R19 and R20 resistors on the output (K5) side of the Input/Output Cabinet |
| F93 | 1 | R19 and R20 resistors on the output (K5) side of the Input/Output Cabinet |
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| ( 1 ) | The T10 Transformer is not present if the Maintenance Bypass Option is not installed. |
| ( 2 ) | The External Source Sync Board is not present if the External Source Sync Option is not installed. |
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| Illustration 2 | g01274060 |
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