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If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
2358Post New Electrical Engineering Questions
What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.
WHAT IS ELECTRICAL MAINTAINTENCE ?
What is the reason that the humming sound is coming from the induction furnace panel?
i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.
What is the difference between Static and servo controlled voltage stablizer?
Why the earth to phase voltage is high 250 compare to other two phases
how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........
I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.
why we permissive overreach in distance protection.where it is applicable to use in long r short lines
what is the difference between vector scale and vector diagram?
An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.
What is the instrument to check the rotating diode fuse of alternator in running conditions?
can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?
how to control the speed to switched reluctance motor
What is the effect of pi controller on the system performance?
