if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

0 Answers  

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In CT, burden is 15 VA and protection 5P20,CT ratio is 100:1 then what would be the knee point voltage ?

2 Answers   ERL,

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how to calculate current carrying capacity in power cable?

1 Answers  

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how can we calculate that how much capacitor is needed for a system to increase the pf?

5 Answers  

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What is the need of generator relay panel

0 Answers   Newell,

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What is Diff btw MCP & MCB????

10 Answers   Athena, Emerson, Suzlon,

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Before i went to bed my master bathroom lights were working fine. At 2 am, when I went to use the lights, none of them were working. The outlets throughout the bathroom work, but the lights and fan above the toilet don't. I have two panels of switches. The one panel has four switches. One of the switches turns on the hall light, and that works. The other three are to other lights, and they don't. The other panel has three switches. One of those is to the fan, and the other is to a light above the toilet. The other is a to light that is also on that other panel. I tried the breakers, and the one that turns off the outlets, marked for the bathrooom, turns on and off the outlets. None seemed to be tripped. I checked the lightbulbs, and they are fine. Please help

2 Answers  

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please mention the minimum IR value for different voltage systems

6 Answers  

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what is a bus post insulator? explain its application in a substation.

1 Answers   Enercon, HAL,

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what is KSR type transmission tower? What is LSR type transmission tower?

0 Answers   Ford,

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In Plug used in house,Why Earth of the plug more thicker & deeper?

8 Answers   L&T,

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what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

0 Answers   NTPC,

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