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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.
110075 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?
3719Post New Electrical Engineering Questions
what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?
why industry prefer ht motor instead of lt motor.
WHat is the general checks required for Dry type transformers
What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.
what is smartµ grid technology?under coal gassification?
What are the advantages and disadvantages of closed-loop control system?
On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?
write a program that prints prime numbers from 1-20 in digonal form
How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you
What Is Connection APFC Panel In Compony.
What is the limitation of kirchoffs law?
What are the types of feedback oscillators?
l&t switch FN 63 handle position can we change
Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?
