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WorksheetsElectrical 2
Total questions: 9
Worksheet time: 5mins
Tick all of the following that apply to delta connection:
VL = Vp
VL = 3 x Vp
IL = Ip
IL = 3 x Ip
Tick all that apply for a star connection of 3 phase transformers.
VL = Vp
VL = 3 x Vp
IL = Ip
IL = 3 x Ip
In which configuration do we use Vp = 3VL to find the phase voltage?
star
delta
HOW WILL YOU REDUCE CORE LOSS IN THE TRANSFORMER?
By using silicon steel
By reducing the size of winding
By increasing the size of the winding
WHICH IS VARIABLE LOSS IN THE TRANSFORMER?
CORE LOSS
COPPER LOSS
STARY LOSS
HOW WILL YOU REDUCE THE HYSTERESIS LOSS?
By increasing the size of the winding
By reducing the size of the winding
By using thin silicon steel
CORE LOSS IS A COMBINATION OF ------- AND ------ LOSSES OF TRANSFORMER.
EDDY CURRENT LOSS
HYSTERESIS LOSS
COPPER LOSS
DIELECTRIC LOSS
DIFFERENCE BETWEEN INPUT POWER TO OUTPUT POWER IS KNOWN AS ---------------
GAIN
LOSS
CORE LOSS
COPPER LOSS
The transformer which is more feasible to use in the distribution ends should be ___________
star-delta
delta-star
scott
delta-delta
