Answer Posted / aaaaaaaaaa

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What type of pipe material G.I or M.S is used for sprinkler system?

9366

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Why is the frequency not changed during transformation of electrical energy in a transformer?

1467

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what is sevice settings for mccb?How can be it setted?

2301

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HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

2032

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On Which Pressure PRV is operated.

1796

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. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

3406

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

6463

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I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

1731

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If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

2330

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How can we calculate the KVA rating of a Distribution transformer from its core details?

2130

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how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.

2169

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What is the difference between Droop vs Isoch Control?

2482

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IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

2415

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in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

1887

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While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

3580

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