Answer Posted / laurence dunnett

you would need a delta/star transformer to reduce the
service volts to the load volts

What is icu and ics in Acb and how many time icu or ics passes from breaker?

1497

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How to calculate multiplying factor of dc energy meter

1610

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how can maintaince the acb contactor moveing and fixing kit

2020

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i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

1875

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What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

1965

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In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

1912

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1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

8008

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IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

2297

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why ht cable end termination don't have a gland?

2886

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is there any phase difference occurs while primary and secondary side mutual induction occurs?

1963

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what is the current setting for different relay protection for transformer .

2231

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upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.

2084

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how to control the speed to switched reluctance motor

1891

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From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

1369

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How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1994

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