Answer Posted / sajid hussain

Sir I want to install the uat neutral grounding resistor. Where it will connect from and to?. And tell me it's function. Thanks

Do u know any one? how to find out in motor rated amps? formula?

2028

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what is negative and zero impedance in 3 phase induction motor ??

2179

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what is 3rd Harmonics? how it is generated in alternator

9485

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derive DC RMS value for half wave rectifier?

3206

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Where can i get practical knowledge of solar system?

1453

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How they LT panel busbar size choose

1693

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What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

2365

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at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

2123

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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?

2061

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Whether power factor should be high or low? Why?

1118

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why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.

1856

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How you calculate the repturing capacity of a HRC fuse

2621

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How Self works in DG set

2024

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Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

2267

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delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?

1999

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