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Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
how can check the resistance of battery contact?
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
what do w do when the output of generator is fluctuating?
Why saturation region slowly shifted in the left side?
What is the general system requirement of alternator?
diff. between tension mode & speed mode
What is the role of feedback in a closed loop control system?
The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s
For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.
In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?
why does connected a indutor with mnsformeretering core of current transformer ?
What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?
What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?
what is meant by impulse voltage?