Answer Posted / venkatesh prasad

there are no protective devices in the starters, starters are mainly used to protect the motor from high starting currents.

ht side line to earth voltage

1642

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What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

3065

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From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

2074

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What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?

2326

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

2319

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For RCD (Residual current device) Icu is defined. How i can find Ics for them?

2109

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What are the commonly used schemes for the bus zone protection?

1111

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Why using synchronising methed in DG's sets?

2271

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what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

2363

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In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?

2207

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How many double suspension hardware fittings are required on a double circuit transmission tower?

2158

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What does quality factor depend on in resonance?

1136

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Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

2176

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what types of electrical & mechanical test conducted in switchyard?

2314

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explain supply side and demand side energy management with advantages & disadvantages

2191

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