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Answer Posted / bharath
nuecler
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what is meant by moulded case circuit breaker ?
If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?
Why temperature rise is conducted in bus bars and isolators?
What is the importance of counter based plan & how is it scheduled?
IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
What is Harmonics how it is produced and what is the method to control the same
How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?
A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.
Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?
What is the name of the winding to which supply is given?
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WHAT HAPPENED DC SERIES MOTOR FIELD WINDING OPEN. CAN POSSIBLE.
Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.
What are the advantages of a three-phase system over a single-phase system?
