Answer Posted / mallikarjun

the dol is direct online ie if press the start button it
start direct by closing the single contactor.and star-delta
starter is by redusing the volatge this will helps to
incrase the traque.

What is oscillator circuit?

1181

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Is it possible to connect a safety device in to parallel?

2187

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On what basis the the size of Lightning arrester for buildings are selected ?

1702

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hello friends this is krunal here.. i have applied for he officer train in hpcl electrical stream.. any one who have applied before for electrical stream please help me out.. post ur reply to my mail id: krunal_airforce@yahoo.com.. any tips, old questions for paper or any help will do.. plz help me.. your faithfully, Krunal Darji

1938

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When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

1323

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What is meant by derating factor?

1282

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What is bode plot?

1302

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how the CT and PT is connected in the circuit during testing of transformer explain with diagram

2065

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DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER

2093

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What is PQA???Applications........

2438

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how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

1617

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what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1841

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I want single line diagram for AMF & DG syncronizing panel

7250

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During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

1930

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Pl. give me checklist for installation & commissioning of machine tool.

2344

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