Answer Posted / tarak

At resonance only resistence is prasent.
Capacitive impedence is equal to inductive impedence

Can we use Ccapacitive voltage transformer directly for metering purpose?

1927

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regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

2097

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sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.

1979

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For RCD (Residual current device) Icu is defined. How i can find Ics for them?

2115

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how to setting voltage RTCC panel

1714

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What is zero of the system?

1154

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following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

2119

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State the factors, for the choice of electrical system for an aero turbine.

1220

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Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????

1960

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What happen to the transformer if the OLTC frequently used for lower and raise occured 50times daily?

2096

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Write down the design procedure of commutaj.

2180

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WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

6460

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What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

1210

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Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

1933

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State the methods of improving power factor?

1215

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