Answer / k.prakashchandra

The earth fault current is very less

Answer / mahesh sali

as per IEC norm the protection of 11 kv generator against
the earth fault current will be controlled by adding
external resistance between the star point of generator
winding & earth pits.
but for low voltage as per IEC has recommeded solidly
earthing system as per std.

Answer / j.karthik(cce)

In my company we are generally using NGR for the secondary
side (433Voltage) of the Transformer....

what are the ratings of sockets?

10 Answers   L&T,

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If We are converting the SINGLE PHASE AC into THREE PHASE AC by using STATIC CONVERTERS , then How do we bring the frequency to 50 hz??

2 Answers  

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what happenes if two voltage source connected in parallel will be connected to load.

3 Answers   Efftronics Systems,

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why do we generate sinusoidal ac?can we generate some other waveforms by alternators?

11 Answers   Siemens,

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Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

0 Answers  

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what is transient earth voltage

2 Answers  

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Two electrically operated Vibro Motors are fixed in parallel direction in vibrating feeder. What is the direction of both Vibro Motors?

1 Answers  

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what is volt drop formula?stm

1 Answers  

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during parallel operation of two ac generator which condition must match before taking both parallel i.e speed /voltage rating /kva/exciation

2 Answers  

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how to choose the cable rating for load (KW)? EXAMPLE.50KW load

14 Answers   ACC, NCUI, Polycab, PowerSol, Siemens, SW,

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Show formula which gives full load current 4.8 amps of a 3 HP motor and 27 amps of a 20 HP motor having 3 phase 460 volts, 0.8 Pf.

2 Answers  

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