The synchronous machine excitation system explain

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What is the permissible value of earth resistance and as per which standard / act / rule ?

3 Answers   HBL Power Systems,

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When geneartor is running in poor lagging side power factor its excitation current increases then it is running in improved lagging side.Kindly tell me when gen is running in leading side what will happen

3 Answers  

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A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

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HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY USING

3 Answers  

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What is the difference between Surge protection device and Lighting arrester?

6 Answers  

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practicalLY what is impedence ...?

2 Answers  

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how to calculate current carrying capacity in power cable?

1 Answers  

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What are the basic properties of signal flow graph?

0 Answers  

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what is the voltage equation of 240/12 v transformer??

1 Answers  

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what is the difference between the electrical and electroncis

15 Answers   TCS,

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a power supply to be constructed from voltage cells is required to provide Max. 20A Current with a terminal voltage of 6v.Several voltage cells are available each of which has terminal voltage of 1.5V & each of which can supply a max current of 5A .the no of cells required will be ??

5 Answers  

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