If I need to purchase a step-down transformer (from three phase 33kV 50Hz to 400/230V), what additional information do I need from the main supply power line?

1 Answers   MahaDiscom,

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Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

0 Answers   Power Plant,

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Air refrigeration cycle works on the

0 Answers   Caterpillar,

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   Schneider,

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hi i have applied for lic of india south cenrtal zonal ,hyd. i didnt get hall ticket till now.let me know how can i get form internet

0 Answers  

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What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

0 Answers   Remi,

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what is the difference between neutral and earth

0 Answers   LOreal,

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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?

0 Answers  

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My meter CT is 200/5amps Then my electrical meter MF=???please suggest

2 Answers   KFC,

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why batteries are rated in ampere hour

1 Answers  

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Why thwe Direction of Rotation of a TABLE Fan & CEILING Fan are different?

8 Answers   Wipro,

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while we select CT, why the CT ratio is divided by 5?? ex:250/5,15VA,CLASS-1 CT.Why it is divided by 5??Help me please

2 Answers  

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