Answer Posted / parminder

THE VALUES ARE DEPENDS ON THE INSULATION USED. NORMALLY IT
PHASE TO GROUND IN MEGA OHMS. PHASE TO PHASE & PHASE TO
NEUTRAL IS DEFINITELY ZERO IN MOTORS. BUT IN MEGA OHMS FOR
TRANSFORMERS.

how many joint can done in HT line and what is life of the joint

2170

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how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

2219

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What is transient response?

1076

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what are the 4 rules to start the motor?

2049

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What are the specifications for getting approval of Substation?

1874

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What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?

1405

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hi, i finished b.tech eee in 2008, im worked in dg sets mfg company , now i left job in 6months back, now again i want get job core side, how can i get? is there any couses we have learn to get better oppurtunity? /

1918

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Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

2082

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What is the formula to calculate distribution transformer De-rating on iron losses basis

1793

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what about GD square and its important for motor design?

3766

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what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

2207

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from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1946

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1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

11064

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What are the factor to be consider for CT selection in 132kV substation?

2019

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why we cannot protect 100% winding of an alternator by using differential protection?

2205

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