Answer / mani0786

copper loss & iron loss for transformer/earth resistence
/voltage fluctuation for ht panel

how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

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difference between diode and scr?

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why we condut tan delta test i want brief explain?

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what is the difference between electrical and electronic choke?

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why star point of motor shall not be grounded?

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Why is making current of CB always greater than CB breaking burrent?.

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Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

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In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

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Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?

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what is name of transformer oil ?

58 Answers   L&T, MPSEB, OPTCL, Practical Viva Questions, Servo, TATA, XLPE, ZGL,

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If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

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1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu?

0 Answers   TATA,

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