Answer Posted / tharan

connecting in battery r series voltage value increase...

What is the Surge suppresor? Why using in a UDB's and How it works?

2144

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What is Plank's Law?

1093

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FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

3348

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What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1959

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What is dynamo?How it works and what is the function of dynamo in a DG.

2078

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Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

3296

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Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2254

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

2153

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What is the need for a controller?

1144

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oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

1974

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The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

2097

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how to calculate the breaking capacity of different breakers.

2219

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How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

3206

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What is relation between transmission lines & Communication lines ?

2132

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What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

2447

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