Answer Posted / satish

Ring main unit is to be used in CSS(11kva or 33kva) or PSS. it consists of three circuit breakers either it is vcb or depends upon design.it has a three ways one is for incoming remain two for outgoing.in this the connection of incoming and outgoing based upon the CT ratio.for selecting of CT'S is depends upon knee point voltage.

What is transmittance?

1131

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How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.

1947

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during installation time of transformer and alternator which points we have to observed?

1957

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What is the difference between Static and servo controlled voltage stablizer?

2187

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what is your aim

1928

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What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

2363

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What is meant by load angle of an alternator? Upon what factors does the load angle depend?

3008

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How can we measure the residual voltage in dc machines?

1871

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what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

2228

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What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

1523

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why is control bus bi-directional?

2168

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

2058

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State the other types of Air Conditioners?

2067

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

2578

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can any one provide me a connection wiring diagram for a DG set control panel along with BOM?

2218

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