what is the frequency standard with tolerance level for India?

16 Answers  

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Why used IGBT IN AC Drives

4 Answers  

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Why Capacitor & ignator used in MH lamp

2 Answers   Bell,

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when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

1 Answers  

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what phase and neutral.

3 Answers   HP,

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Why does inductor is connected to dc supply? or what is the role of an inductor when connected to DC source?

3 Answers   TCS, TRR,

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how can we change the phase angle b/w two phase?

2 Answers  

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what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

0 Answers  

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Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

0 Answers   PCSB,

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A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

0 Answers  

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Circuit diagram of tube light without starter using electrical choke

0 Answers  

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How to select the ratio of neutral ct? Is there any relation in between percentage impedance and neutral ct ratio ?

1 Answers  

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