When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??
1 1717if flux and load static in dc motor and supply voltage increases 20% then what happened in speed
1470Shall we use Dyn1 transformer in place of Dyn11 for motor application as a distribution transformer
1 2254From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?
1313What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?
2081In what situations relays are used in Circuit breaker? In Above what rating of Circuit breaker the relays are used? Why relays are not used for CB like MCB?
1262How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?
1348Now I inject 1kv DC supply r&y=??? R&Y=?? Y&B=?? B&R=???? RYB&N=??? RYBN&E=????? Minimum value====???????
1 2285What will happen if the rotor circuit of a slipring I.M. is kept open & electric supply is given to its stator winding.
2 6300Post New Electrical Engineering Questions
What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?
12.5 tons a/c is their how much kva generator can recommend to the customer.
What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!
What is phenomenon of electromagnetic induction and how it works?
When MICC cables used ?
How the capacitance og capacitor volatage transformer is decided?
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
how rectifier transformer work in electroststic precipetatore(esp?
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What is mean by STUB protection?
"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS
explain transformer ct connection?
what will happen if synchronous machine rotor fed from single phase ac supply
what is 30-phase of transformer
how to design the heater in temperature control unit to heat 50KL of water?
