electronic engineering
Homework :
A 50 KVA. 2000/250, 60 Hz transformer is to tested to determine the equivalent circuit. The following test results were obtained are:
V oc =2000V I oc =1.1 A P oc =600 W
V SC =200 V I SC =25 A P SC =1800 W
a)Find the approximate equivalent circuit referred to H, Y side.
b)Find the approximate equivalent circuit referred to L.V side.
c)Calculate full load voltage regulation at 0.8 lagging power factor.
d)What is the transformer efficiency at 0.65 loading and 0.85 power factor.
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Please do the transformer question step by step very important question answer guven QUESTION 4 (20...
Please do the transformer question step by step
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answer guven
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Problem 2: [50 points] A 15-KVA, 230/2300-V transformer is considered. The following test data have been taken: | OC Test (on Primary) Voc = 230 V loc = 2.8 A Poc = 100 W SC Test (on Secondary) Vsc = 47 V Isc = 9.5 A Psc = 350 W (a) Find the equivalent circuit of this transformer referred to the high- voltage side. [10 points] (b) Find the equivalent circuit of this transformer referred to the low-...
Please do the transformer question step by step
very important question
answer guven
QUESTION 4 (20 marks) A 75-KVA, 240:120 V, 50Hz transformer gave these test results: Parameter р OC test (secondary excited) 120 V 16.3 A 750 W SC test (Primary excited) 9.5 V 312.5 A 1200 W Table 5: Geometry of the magnetic circuit a) Determine parameters of the approximate equivalent circuit referred to the primary side, and draw the circuit with parameters shown on it. b) Calculate...
can you calculate this question and explain why?
thanks
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A 150 KVA, 2080/208-V, 3 PHASE, delta-wye transformer with the following: RH 450m2 R 4.5m XH 2.20 Load...
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The short-circuit test readings for a 50-kVA 2400:240-V transformer are 48 V, 20.8 A, and 617 W, with the instruments located on the high-voltage side and the low-voltage side short- circuited. An open-circuit test with the low-voltage side energized gives instrument readings on that side of 240 V, 5.41 A, and 186 W. 1. Calculate the equivalent parameters of the transformer as referred to the high-voltage side. 2. Draw the equivalent approximate circuit of that transformer referred to the high...
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