Reduction in supply voltage by 10% will change the torque of
the motor by ___.
I have a 3 phase 600 volt prim. feed and a 120/208 sec. Isolateing tranformer .We are using this system for safety against shock . What is the proper grounding ?? Does the common on sec. get earth ground ???
What is dynamo?How it works and what is the function of dynamo in a DG.
How are harmonics produced in AC machines?
which pump is suitable for home use ?
What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?
what is the diffrence between mcb &elcb?
Which phase is prefered for connecting 1phase vt used for synchronism in an OHL? why?
What is the difference between "Earthing" and "Neutral"?
why transformer are not used in D.C SUPPLY
how to calculate restraing current and operating current for differential protection if 20 mva transformer is OLTC 33 kv/11 kv ? and what should be the type and ratio of CT?
explain PV modules in solar energy generation.
WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE BETWEEN B & c CLASS SP
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