Answer Posted / swum

DC series motor cause of high starting torque, robust and
reliable, constant horsepower operation, can draw high
current for short period and good efficiency

For further info refer Electric Drives by P.K. Sen

what is mean by PIR in circuitbreaker and give me detail of that?

3529

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1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india

1973

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i have 3500 amp load and select current transformer and perches.how i calculate .please understand

2173

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iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

2256

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Earth leakage relay basic knowledge principle

2191

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

2022

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we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V

1872

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Why we cant store an ac power. If we coo store in which device we can?

2181

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two phases with neutral supply can be taken in 3C X 10 sq.mm cable .

1429

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what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

2551

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How to calculat the ratio of HT\LT in energy meter

2718

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What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

2289

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why we can stote dc? why we cant store ac?

2082

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1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

2564

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how are reversing the direction of dc motor

1655

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