What is the test block protection relay if any body know plz explained
Can a generator runs after getting 1st stator earth fault.
How work of capacitor in dc supply...???
can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?
what will happen when the dc supply is given to the capacitor?
What is the function of retrip in busbar?
what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)
what are the tests comes under the type test, what tests comes under routine tests.
what is the calculation formula for motor starting torque,running torque, running torque.
Ratings of power transformer,Distribution transformer.
why we are using Load factor?
why three phase capacitor takes unbalanced current in capacitor bank?
How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.
Why the symbol of register is "zig zag"
why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.