remote control equipment - Indian Railways Institute of Electrical ...
remote control equipment - Indian Railways Institute of Electrical ...
remote control equipment - Indian Railways Institute of Electrical ...
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4.12.2 BIL <strong>of</strong> various <strong>equipment</strong>s used in the Traction substation as adopted by <strong>Indian</strong><br />
<strong>Railways</strong> are as given below<br />
SN<br />
Name <strong>of</strong> the<br />
<strong>equipment</strong><br />
1. Traction Power Transformer<br />
(a) 220 KV ---<br />
90<br />
i<br />
One minute<br />
wet power<br />
frequency<br />
withstand<br />
voltage KV (rms)<br />
(b) 132 KV 275 650<br />
(c) 25 KV 105 250<br />
2. Circuit Breakers<br />
3. Isolators<br />
1.250 micro<br />
second impulse<br />
withstand<br />
voltage test<br />
(a) 220 KV 460 1050<br />
(b) 132 KV 275 650<br />
(c) 25 KV 105 250<br />
(a) 220 KV 460 1050<br />
(b) 132 KV 275 650<br />
(c) 25 KV 105 250<br />
4. 132 KV CT275 650<br />
5. 25 KV CT 95 250<br />
6. 25 KVPT 105 250<br />
7. 25 KV interruptor 105 250<br />
8. Lightening arrestor<br />
(a) 25 KV Continued Op volt35 KV F/o 125 KVP max.<br />
(b) 132 KV -do-95 KV F/o 350 KVP max.<br />
(c) 220 KV -do-160 KV F/o 550 KVP max.<br />
4.13 SCHEME OF PROTECTION<br />
4.13.1 The scheme <strong>of</strong> protection provided at each traction sub-station can be<br />
broadly divided into the following two categories.<br />
i) Protection <strong>of</strong> Traction Power Transformer.<br />
ii) Protection <strong>of</strong> the overhead <strong>equipment</strong>.