electrical machines

3 Answers  

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what is the working principle of UPS?

2 Answers  

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Is it necessary to carry out sheath test after cable jointing? If the value is zero of such instance , is it ok to energize the cable?

1 Answers  

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What is Isolation Transformer???

4 Answers   Emerson,

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How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

0 Answers   HAL,

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I want definition for ABT Meter (Availability Based tariff) ?

0 Answers   Radha Regent Hotels,

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What is IPXX?

2 Answers  

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What is the difference between electrical earthing and electrical grounding?

0 Answers  

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why we can't use more then 50 hz in india ? Is it possible ?

7 Answers   DVC,

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where transformer is installed? a)generating station b)substation c)voltage regulating area

6 Answers  

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Can VFD step up to 60 Hz if it is designed to receive 50 Hz input?

3 Answers  

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GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND D.C MOTOR

2 Answers   BARC,

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