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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 7396In electrostatic precipitator why positive terminal of tranformer rectifier unit is grounded?
2 12810I 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 5352In 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.
2263what 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 71900What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?
3 35095Post New Electrical Engineering Questions
why different series of vfds (like allenbradley)are used in industry ?
Can anyone explain me about the RLC based Impulse high voltage generator and how to and operation of Series resonant High voltage reactor...?
describe the Tranformer testing procedure
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application s to shunt coil
I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok
why the value of k is more in shell typr transformers?
I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?
Why power factor should not be in leading (capacitive) mode of any load.
hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
Write a note on Treatment for electric shock.
which is the best institute for PLC,SCADA,DCS in hyderabad
