what is the difference between on line UPS & INVERTOR

2 Answers  

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Which types of gate insttaled in static switch. Please give me answer.

0 Answers   cpgn,

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What are the steps for Testing of 6.6KV HT Panels?

5 Answers   BSL,

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how many synchronous motor are there in any power plant

0 Answers   L&T,

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

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how can we solve the RMS value of alternative Qnty is .707 , explain detail .

2 Answers  

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What is Dry type transformer.How it works

6 Answers   Vatika,

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a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor

2 Answers  

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how calculate gd2 of ht motors

4 Answers   Hindustan Copper Limited, Kohler India,

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We order Dyn 5 distribution transformer to a company. What arrives is Dyn 11. Is it ok to use this transformer. It will be installed alone.

3 Answers   G&S Construction,

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what is kvarh? Please define it With calculation General motors ?

0 Answers  

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how to calculate short ckt current of trafo. ex.3-ph 3MVA trfo. 11/440, impdence voltage=7.25%

1 Answers  

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