i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

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what is different between buchhoz relay and pressure relife devices in transformer

2 Answers   Spanco,

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Latching current is slightly less than ?

2 Answers  

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at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.

0 Answers   iGas,

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how to test YNyn0 vector group in transformer?

0 Answers  

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if sf6 gas low in gis what will happen

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what's the exact magnitude of current, flows through Neutral?

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how long will take to burst/damage for a CT when secondary in open condition? Experienced: During switchgear testing(Primary current injection test) some of the CT are in open condition, but nothing happen's why?

1 Answers  

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What is the difference between acs 550 & acs 850

0 Answers   Madhucon,

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What is the type of feedback used in an op- amp schmitt trigger?

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What will be the current if the resistance total in a series circuit doubles?

0 Answers  

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LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?

0 Answers   Himatsingka Seide Ltd,

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