In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

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what is KA rating and how can we choose switchgears on applications

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what is REF relay?

1 Answers  

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What is the max value of neutral current that can be allowed in system?

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When One Phase PT Missing (voltage drop ) this time current is zero of This phase(PT Missing Phase) and current is Not Zero of other Phase but PF is always Low That Why

0 Answers   HCL,

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What is the standard height of installation of Socket & switch from Finish Floor Level as per the IEC/IS Rules?

1 Answers  

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What happen if we re-start H.T motor whose rotor is running at 40% rated speed. Is it will damage motor winding?

1 Answers  

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a starter used for squirrel cage induction motor?

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what is the full form of ka (100A mccb KA)

1 Answers  

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30 kVA and voltage 380/220VAC how to find out kA?

5 Answers  

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How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

0 Answers   ISS,

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What is FM200 Fire Supresion System??

3 Answers   Emerson,

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