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Pulse transformer step up the voltage pulse, welding transformer has high leakage inductance, it protects from short circuit current

ohms law is applicable for dc or ac current or for both??? explain it berifly??

3 Answers  

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how can we decide where we have to DYn11 or other vector group transformer

4 Answers   BSL, Knight Frank, Security Printing and Minting Corporation of India Limited,

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Why in USA supply voltage parameters(230V,60Hz)are different,is there any advantage please brief.

1 Answers   APC, DRJ ARDE,

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flurescent bulb rating is to 230v,50HZ.now flurescent connected 230v,25HZ.whether nreduced frequency will affect the glowing properties of flurescent.

6 Answers  

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What are thermo couple cables and where they are used.

2 Answers  

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If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?

0 Answers   Posco,

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What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

0 Answers   Eprosys Engineering Consultants,

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What is the formula to calculate the size of Aluminium and copper cable?

0 Answers  

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why did lightening arrester rod probe sharp?

2 Answers  

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what is the use of choke on tube light fitting

37 Answers   Bhel, Dharma, HSBC, TCS,

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

0 Answers  

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In ac motor,when dc supply is given what happend to the motor?

3 Answers  

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