From stability point of view,What(higher/lower) should be the value of inertia constant of rotating machines?

1 Answers  

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1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

0 Answers   Areva, Google,

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what is bus coupler, where it used.

14 Answers   Diebold,

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3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.

0 Answers  

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Why we cant store an ac power. If we coo store in which device we can?

0 Answers   Jindal,

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how many bulb of 60watt at 300volt is used to maintain 0.25 amp.with valid reason?

4 Answers   Cords Cable, TATA,

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transformer losses

1 Answers  

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What is the acceptable resistance range of UPS battery

2 Answers   Cisco,

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Isolation transformer primary to sec turns ratio?

2 Answers  

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how we can check new PT ? without name plate.

1 Answers   Indo Power Projects,

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How to find the maximum load, that can be supplied by a transformer.....

2 Answers   ME,

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Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

0 Answers  

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