can we charge 3 ph power transformer delta-star wound with neutral grounded 6.6kV/415V from secondary side(415V) but with primary(6.6kV) open by dg,what are the disadvantages or losses.

1 Answers  

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Explain (in simple ) - root mean square. whats its role in electrical fundamandal.where its used

0 Answers   MRF, PPCL,

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What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

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I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

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if we want to increase the back up time of an UPS what should we do ? if we want to decrease the charging time of a battery/batteries attached with the UPS what should we do ?

6 Answers  

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Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

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how the aircraft outer body and inner body is separated ?

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wat system call?

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What is the function of an Auto reclosure relay. How does it work??

4 Answers   KSEB,

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In a transformer ,when voltage decreases current increases. but this is a violation of oms law.why?

15 Answers  

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Hello sir i m student of gtu .what is idp.

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Why HT motor of 3.3 kw or 6.6 KV, one side foundation ( mostly non drive end ) keep insulated from ground ?

2 Answers  

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