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delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?
1949If the load is 10Kw and power factor has to improve from 0.5 to 0.8,how can we select the capacitor rating accordingly.Illustrate by showing formula?
9 12034If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?
1 3892i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test
1744what r the tests on the 3 phase transformers can any one explain how to test using megger on transformers thx
2 5364In Transformer testing at Shop test we normally test for vector group, open ckt.,short ckt. but what are the other test performed for transformer once it reaches at site.For e.g:if the transformer is dry having rating 1000KVA?
2 4255Post New Electrical Engineering Questions
Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.
What are the types of piano switches?
what is the difference between earthing and unearth
How to calculate the copper in HT motors if KW, RPM & Voltage is given
How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.
1.What will be stored in online ups EPROM IC?
Please give me a erda placement paper
what is the purpose of bypass mode in energy lighting transformer?
Why we find the sensitivity for the CT's to check?
How is magnetic leakage reduced?
What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?
A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .
what is per unit calculation?looking for simple and strong explanation thk u
Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.
What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?
