Difference between ups

32 Answers   Emerson, Tata Power,

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what is reactive power (MVAR) and how it is control? how it is generate in powerplant?

1 Answers  

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define stator,rotor,excitor,rotating rectifier in generator?

1 Answers   Saudi Oger,

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a 440v 60hz 03 phase 100kw generator can deliver how much power in kw for 220v 60hz 01 phase load?

1 Answers  

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How can step up and step down process in power transformer

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

0 Answers  

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Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

0 Answers  

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how to calculate P.F from kva only?

3 Answers  

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1)Why V cross Arm is used in transmission lines? 2)Why H cross Arm are not used in single poles?

1 Answers  

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Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

0 Answers  

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What are the different parts of Alternator and how it works?

1 Answers  

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george phenomenon of synchronous machine

0 Answers   JU,

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