how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u
3 7135State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp
1464What is power factor? How to improve Power factor? draw a circuit diagram showing the connection of power factor improvement equipment to the electrical instillation.
1 2305A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram
2365-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.
1666-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.
1351-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.
1563Post New Electrical Engineering Questions
How to minimize the eddy current losses?
While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?
EXPLAIN THE ESSENTIAL FACTORS WHICH INFLUENCES THE CHOICE OF SITE FOR A HYDRO ELECTRIC POWER PLANT
What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?
what is the difference between electrical choke and electronic choke?
I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.
Circuit diagram of tube light without starter using electrical choke
as a electrical student why should i hire you?
Leakage current,un balance current which relay using for high voltage transmission?
Explain the difference between verilog task and verilog function?
In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
what is transient stability analysis means?
Why induction motor is widely used in industry
george phenomenon of synchronous machine
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,