Transcription of 11 KV Substation.
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11 KV Substation.
1 11 KV Substation. Pole-Mounted Sub-Station: 1. It is a distribution sub-station placed overhead on a pole. It is the cheapest form of substation as it does not involve any building work. Fig (i) shows the layout of pole-mounted sub-station 2. Whereas Fig (ii) shows the schematic connections. The transformer and other equipment are mounted on H-type pole (or 4-pole structure). 3. The 11 kv line is connected to the transformer (11kV / 400 V) through gang isolator and fuses. 4. The lightning arresters are installed on the side to protect the sub-station from lightning strokes. 5. The transformer steps down the voltage to 400V, 3-phase, 4-wire supply. The voltage between any two lines is 400V whereas the voltage between any line and neutral is 230 V. 6.
The 11 kV line is connected to the transformer (11kV / 400 V) through gang isolator and fuses. 4. The lightning arresters are installed on the H.T. side to protect the sub-station from lightning strokes. 5. The transformer steps down the voltage to 400V, 3 …
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