explain Uninterrupted power supply detailed electronical operation with circuit diagram

1 Answers   Emerson,

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WHY PROTECTION CT IS USED NEXT TO METERING CT?

1 Answers  

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For high frequency application we use which transformer?

0 Answers  

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what is power factor when in view of a lineman

3 Answers   KSEB,

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who can measure the size of power cable?

0 Answers   Chanar Sugar Mills,

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How we select the cable rating

1 Answers   BTM, Videocon,

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How isolater function when installed inelectrical 440V wiring

0 Answers  

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Differentiate between induced emf and self inductance?

0 Answers  

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what is practical efficiency of power transformer..?

1 Answers  

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for a machine R=130 KVA Y=132 KVA B=144 KVA Then what will be the total kva

3 Answers   ABB,

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

0 Answers   PPIL,

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in 50 mw generator if field is open in full load running condition what happen and for protection which relay used?

5 Answers   century,

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