if the stetor speed (N S) increase by 20% then the rotor speed will be increased by 20% is it true. ?
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How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?
ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine
State magnitude criterion.
primery try cell?
what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.
Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)
What are the advantages and disadvantages of open loop control system?
Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.
what are pilot cells
why on delay timer used for fully automatic star delta starter?
71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit
A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03
which protection function should measure RMS value of current&DFT value of current?
how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.
If increased the frequency up to 1000 then what changes shows in voltage?