Why is ignitor used in sodium vapour lamp

1 Answers  

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We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.

3 Answers  

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what is diffrence b/w -48vdc and +48vdc ?

1 Answers  

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star delta starter single line digram

1 Answers  

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What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

0 Answers  

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I want definition for ABT Meter (Availability Based tariff) ?

0 Answers   Radha Regent Hotels,

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describe the Operation of induction generators from bus bars

0 Answers   AMIE,

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how many ampere Maxmium load given on a 10 kva DG set?

3 Answers  

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What types of question are done for diploma students in aptitude test

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what the effect will occur if we increase the airgap in induction motor

3 Answers   ONGC,

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how the high voltages are produced?and what it causes?

4 Answers  

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What is ZCT? it operating principle and how is work with RCCB (residual current circuit breaker)?

4 Answers  

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