how we can select a transformer based on a particular load.
suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p
& 100 h.p. then what rating of transformer we can select.
urgent. pls reply
- 6 Answers
- 18455 Views
- I also Faced
- E-Mail Answers
Answer Posted / jitesh
=40+50+80+100
=270kva
=362 kw
=270+(270*50%)
=400approx = 500kva X'mer
| Is This Answer Correct ? | 3 Yes | 15 No |
Post New Answer View All Answers
Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?
How many types oil using in transformer ? How many letars using in transformer..?
what is the VA(Volt-amphere)? define with calculation?
1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.
what are the analog quality input for protection function?what are minimum reqiments?
What are chief characteristics of state-space method and its techniques ?
what is the difference between Power and Distribution transformers ?
If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?
what is the IS foe lightning arrester?
Name one of major transformer company in KSA ?
what is mean by transition resistance of transformer?
what are the advantages and disadvantages of oil filled cables over XLPE cables
difine electrical ballast in HPSVL
im electrical engineer, could any one help me for FEWA exam questions please ?
what do u understand about FACTS? how they are useful?
