why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

0 Answers  

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The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

0 Answers  

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Multimeter show phase to neutral volt 230 the per phase but phase to phase 415 not show 460 why.

1 Answers   Intas,

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We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 Answers  

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What is the minimum permissive IR value for LT & HT motor for safe starting?

1 Answers   Rukmani,

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How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

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for compensate 315mh inductance ,how many capaciance required?

0 Answers   Mitsubishi,

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How the earth fault relay works please explain?????????

2 Answers  

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in a 740 kw dc seperately excited motor field voltage is constant about 17.4 volts and armature voltage is500 volts dc. how it is possible to have two different voltages from single transformer of output voltage 500 volts? if any difficulty in question contact ajitsingh.kadian@gmail.com

1 Answers  

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what is the mean of short circuuit current ( for ex. 50KA)?

2 Answers   Weltech Engineering,

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how to calculate H.P of a moter from speed of a moter?

5 Answers  

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6. A DC AMMETER HAS R=0.1 OHM & CURRENT RANGE IS 0-100 A IF THE RANGE IS TO BE EXTENDED TO 0-500 A THEN METER REQUIRES SHUNT RESISTANCE OF ..........

2 Answers   SSC,

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