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How to select the ratio of neutral ct? Is there any relation in between percentage impedance and neutral ct ratio ?
1 2853stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate
2881I want to ask a question which i faced during testing of Capacitive Voltage Transformer in AIS. We have measured the C1 , C2 individually , but when we start to measure the total C1+C2 , the testing equipment shuts down and says low loading. Kindly is it possible to find the total capacitance by using measuring device. kindly briefly explain the procedure.
AIS,
1910how much earthings are provided for 22KV HT Metering Kiosk
GE, Gionee, Knight Frank, TATA, Vacmet,
1 4602Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole
1 2704I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing
1884when we have to purchase the transformer by own i.e how much load will preferred HT connection?
1726how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?
1793Post New Electrical Engineering Questions
i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,
What is the most accurate way of testing ELCB?ELCB is better than RCD?
howmany electrician should maintain for a 1000 kva used plant... in kerala..
what do you mean by plant earthing system.
What is the de rating factor of cable? What is the importance of the de rating factor in cable select
1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?
If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?
Who many reason of ignition fail ?
What does the term power factor shows?
explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
How to Decide(calculate) Bush bar size for copper and aluminiam ?
State thevenin’s theorem?
is it necessary to earth the rmu before cutting off the transformer winding?if yes why?
Dear all, how we select the cable size according to current with or without including different correction factor , is there any direct method for sizing of cable...
