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what is High resistance grounding and whatis the criteria for the selection of High resistance grounding
1 36071.generator rated as 1000 mva,11kv .8 pf what will 0.8 pf will indicate? 1.max pf it can supply 2.min pf it can supply like this 4 options there what is answer.explain
5 141511.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.
1 3291PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com
2107why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?
2102Post New Electrical Engineering Questions
What is the lower limit of break-down voltage of converter transformer.
High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?
How do we find the rating of a transformer, if it got burnt badly.
what are the installation procedure of high voltage power transformer,CT,CB&PT?
Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????
When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number
I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
who invented active elements? plz give me the complte details of active elements...
ROC converges if poles and zeros lie inside a. Origion b. Z=1
I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?
Define de-sensitivity?
hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?
how to estimate wiring ins roughing ins. and boxes
can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
