Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 Answers  

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what is cascade speed control device?and how this device control the speed of motors?

0 Answers   ABB,

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why dc motor runs slowly when dc supply is given?

2 Answers   L&T,

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Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

0 Answers  

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difference bteween neutral grounding resistor and neutral grounding transformer??

1 Answers  

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why ten delta testing is carried out on power transformer

0 Answers  

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What is polar plot?

0 Answers  

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for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

6 Answers   Engineers India, GCC, KP, QPSL, Siemens,

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What is ST and specify its range of voltage.

0 Answers  

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What is AVR in Turbo generator in Thermal power plant?

5 Answers   Thermax,

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if a bird sits on the service wire it didn't get shock then why the human get shock when he touches it(assume that human is not on the ground and any object i.e. in space)?

5 Answers  

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If the load of transformer is getting more than its rating,,,than how to overcome this problem? Suppose thee rating of transformer is 315kva and the load is going beyond than the rating say around load: 352kva... Than how can we solve this problem without deducting the load.

14 Answers   Hyundai,

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