A wattmeter is marked 15 A/30A, 300V/600V and its scale is marked up to 4500 watt. When the meter is connected for 30A, 1600V, the pointer indicates 2000 watts. The actual power in the circuit in

1 Answers   Jindal,

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How to calculate capacitor bank value to maintain unity power factor with some suitable example?

0 Answers  

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why transformer measures in kva

4 Answers  

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

0 Answers  

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Impedance relay is directional relay or non directional relay?

2 Answers   KSEB, NTDC,

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ups battery design formula

0 Answers   Amara Raja,

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What are the different protection systems used to protect the transformer internally and externally?

16 Answers  

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What is VSCF windelectrical system?

0 Answers  

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how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?

22 Answers   Alstom, Infotech,

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what's the simultenous maximum demand (SMD)..what the diffrent MD and SMD?

0 Answers   HAL,

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diff. between tension mode & speed mode

0 Answers   BSL,

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Which ciass CT can be use in diff. protection. Can be use 5p20?

5 Answers  

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