Answer Posted / chankey garg

while increasing freq width of stamping decreases so 50hz
having bigest size

would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?

1752

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i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com

1973

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Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

1702

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What is the function of interposing current transformer?

1000

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what are the safety measures of induction motor?

2000

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we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

1482

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i have seen one 8.4 MW synchronous motor in a plant located in bellary it is fixed with brushless rotary rectifier ,anybody can explain its start up principle

1926

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Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

1842

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A 2083kva AVR was tested, phase to ground shows continuity, what is the implications

975

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What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

2112

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how the B-H loop obtain under the static condition

2273

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why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2876

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how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

4507

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Lt motor sfu flashing reasons?

1742

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In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?

1082

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