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What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?
2552what type of euse we should use ? 1- High resistance & low temperature 2- High temperature low resistance
2 4395what is mean by busbar and what is the difference between busbar,transmissionline,feeder,distribution line
5670I hv a question regarding power factor improvement just after transformer. I request you to reply me plzz. thank you sir. My friend has a small unit of fabrication. in his factory the main load is a welding machine, lathe machine, grinding machine. this load is not continuous type. now our electricity board has installed 16 KVA, 11000/433 V transformer for our factory. In the energy meter (trivector meter) at LV side of transformer, i hv seen power factor value of 0.15 only when only 3 KW load was flowing. Further electricity board has suggested to install 4 KVAR capacitor at LV side after energy meter. Now my question is that if we permanantly install and switch on 4 KVAR capacitor after energy meter, during some load on transformer and also without any load on transformer, wht will be the power factor shown in energy meter?i dont want to get any penalty by electricity board, so plz suggest me if i can permanantly install and switch on the 4 kvar capacitor or not at LV side of transformer just after energy meter? Thank you again and awaiting for ur positive reply soon.
9 12567Post New Electrical Engineering Questions
Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?
If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.
What are dependent sources?
What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?
how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.
What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!
how to select proper cable for ct wiring so that drop within the limit.
why and how current drawn by battery charger depends upon the altitude where it is located?
Discribe type of fault in DOL and stardelta startor.
What is critical disruptive voltage?
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
HOE WE CAN IMPROOVE BY USE OF CAPACITOR
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
What is the function of attenuator in cro?
In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.
