what is the radio of kva & kvar or why calculated kva & kvar

3 Answers  

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What is difference between 220v/50Hz & 120V/60Hz?

8 Answers  

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list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.

0 Answers  

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After synchronizing the running generator with grid, the avr getting tripped and the generator breaker also oettong tripped, before tripping the avr the pf meter of generator is showing leading pf please kindly give a suggestion to rectify this problem.

2 Answers   Thermax,

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how the diesel generator maintain the rpm when the generator loaded varies from 10% to 70% immediately?

3 Answers  

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On a transformer name plate %IZ(%Impedence) is mentioned. What is the meaning of %IZ and how it is calculated?

3 Answers   Ambe Consultancy, Siemens,

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Distribution Transformer are connected in configuration? a. Star/delta b. delta/star c. star/star d. delta/delta

7 Answers   IPR, Maruti Suzuki,

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Write masons gain formula.

0 Answers  

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why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation

0 Answers  

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WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

1 Answers  

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What is the difference between MPCB and OLR?

11 Answers   ABB, Raj Agencies,

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If a high resistance fault occurs,then what are the changes will happen in the system?

0 Answers  

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