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Answer Posted / virendra joshi
Here are the diffrent kind of substation.
1. Step up / step down substation
2. Power factor improvement substation
3. frequrecy changing sub-station
4. HVDC substation.
5. Outdoor substation
6. Indoor Substation
7. Grid Station ( Regional , National )
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A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.
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