Answer Posted / jayesh patel

We can select contactor according to the load. It there is
Inductive load we can select as Per AC3
For resistive load we can select as per AC1 Duty
For capacitor switcching we can select AC4 Duty

What do you mean by ratio correction factor of instrument transformer?

1181

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what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

10312

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How do you compute voltage drop and cable size over distance?

2275

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what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

4039

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what is the total power generation in india?

2328

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number of I/O devices in siemense plc

2145

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Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

3008

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If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..

2154

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The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

2265

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does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

1920

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Why GRR starts from 60% of motor speed why not less than 60%?

1704

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Why choke coil is connected in series with starter in tubelight??why starter is connected in parallel to tubelight??

3383

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How many types of circuit loads are there in a common electrical circuit?

1149

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What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

2284

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How time response of the system is divided?

1199

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