Details about Flux Compensated magnetic Amplifer starter for motors

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I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

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how we can calculate power factor without knowing current in 230v 100w load ?

10 Answers  

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How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

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i need to connect fact device(any one from following upsc,sssc,svc,statcom and tcsc)in 14 bus system....by using MATLAB psat software....if i connect these fact devices,i will get some error as "virtual error"...i cnt rectify this error.if anybody know that how to work in psat,pls help me to rectify this error.... or send mail me to, viki0607@yahoo.co.in

1 Answers  

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The objective of connecting a resistance and capacitance across gate circuit is to protect the SCR against

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Testing procedure of DG alternator stability test

0 Answers   Amprotec,

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How to find out damper winding failure for synchronous machine?

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State ohm’s law?

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what is static switch where it can be use?

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Why grounding is generally done in supply end?

1 Answers   ISRO, OFBL,

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How to select the different contactors ( starter combination) for different AC motors? what about fuse cappacity 4 different motors too?

2 Answers   Equate,

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