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As we know,charged clouds(from which lightning stroke initiates)may be charged with either +ve charge or -ve charge. Now say one cluster of cloude is fully charged with +ve charge & another cluster is fully charged with -ve charge. In the sky these two cluster of charged clouds have come in such a distance that, if they come clouser by some few yeards then the lightning discharge will take place between these two cluster of clouds. Under such a situation an Aircraft came inbetween. what happend??
5 7381In electrostatic precipitator why positive terminal of tranformer rectifier unit is grounded?
2 12786I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????
1 5346In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.
2261what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes
ABB,
10 71819What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?
3 35068Post New Electrical Engineering Questions
How can we convert 11 kv to 440 volt without using transformer ?
What is the use of oil in transformers?
Why computer humming sound occurred in ht transmission line?
RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?
in india per day how much power is generated including all power station
Pl. share your experience about industrial-electronics repair of machine tool.
How does zener phenomenon differ from avalanche breakdown?
hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?
An automatic water heater is an example of which type of control system?
What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.
i want to know d working mechanism of tafe tractors next i like to know d engine type of apache bighs can anyone help me
What are the various types of BUSBAR Schemes? explain each
what is the mechanical safety of DG ?
How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.
How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.
