Answer Posted / balamurugan.r

presen load and pf

In Power cable specification what is U0/U and Um.

3714

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what is The difference between national electrical code and I.S.Code (electrical) and what is the value of NEC in electrical engineering field

1952

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what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

2288

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defination of controlled shunt reactor

2194

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what is the Pickup/drop off ratio in BCPU relays

4576

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what is ramping rate of generator

2014

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1907

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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

2125

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how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?

1791

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State The Difference Between Generator And Alternator?

1175

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What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

2448

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Explain what is use of lockout relay in ht voltage?

1030

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Why generation voltage in thermal power plant is between 11kv to 33kv?

983

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

1984

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in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply

2042

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