why we did not get shock by touching nuetral of any single phase supply of a electrical equipement?

6 Answers  

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What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?

0 Answers  

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what is 30-phase of transformer

0 Answers  

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Electrical Diagram of Electric Arc Furance from transformer to Furances

1 Answers  

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The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current

0 Answers  

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What is the knee point of voltage of CT?

5 Answers   NTPC,

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What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 Answers  

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Why size of HT cable is less then LT cable inspite of the fact that voltage is higher in HT cable?

2 Answers   L&T,

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1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

0 Answers  

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how synchronous generator can be used as synchronous condenser?

3 Answers   Monnet, Wipro,

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EXPLAIN WHAT BTU STANDS FOR(AIRCONS)

2 Answers  

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In a flange coupling, the flange bolts are designed for

0 Answers   Caterpillar,

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