Answer / k.prakashchandra

Auto means self . As the single winding acts as a transformer without requiring a secondary winding ,it is called so

which on of the transformer have more core losses and why? 1. Distribution Transformer 2. Power Transformer

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In industries Power factor is maintained by installing a suitable KVAR bank, How is the PF maintained for domestic use, where is the capacitor bank connected

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when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

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Give atleast 20 alternating current apparatus and devices.

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IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

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what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

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How can you calculate in detail the VA burden of current transformer used for Restricted earth fault protection? Please understand that the CT required here is Class PX or X. Also please show the calculations for knee point vtg, stabilizing resistor, magnetising current.

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Why the tank of transformer is made rectangular not circular??

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where is core-type and shell-type construction suitable for transformers ?

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what is the role of MPU in DG set

1 Answers   Weltech Engineering,

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sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used

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Hi, i want to know is meant by power quality? How it can calculated ? How we can improve?

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