ELECTRICITY FOR TRADES (LOOSELEAF)
3rd Edition
ISBN: 9781260437454
Author: Petruzella
Publisher: MCG
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Chapter 19.1, Problem 1RQ
Explain how electric energy is transferred from the primary to secondary windings of a transformer.
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ELECTRICITY FOR TRADES (LOOSELEAF)
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- For a short-circuit test on a 2-winding transformer, with one winding shorted, can you apply the rated voltage on the other winding? (a) Yes (b) Noarrow_forwardA major application of transformer is to increase voltage before transmitting electrical energy over long distances through cable. Explain why this is important?arrow_forwardA three-winding transformer is connected to an AC voltage source as shown in the figure. The number of turns is as follows: N₁ = 100, N₂ = 50, N3 = 50. If the magnetizing current is neglected, and the currents in two windings on secondary side are 2230° and 22150°, then what is the value of the primary current in Ampere? I 0000000000- N₁ № ₂ Z 00000 00000 Z N3 H I₁₂ I₁₂₁ ¹3arrow_forward
- How do you calculate N1/N2? Ratio of primary to secondary turns of a transformer?arrow_forwardHow does a transformer work in a power system, and what are its applications in voltage conversion?arrow_forwardThe primary winding of a 50-Hz transformer has 480 turns and is fed from a 6400-V supply. Determine (a) the peak value of the flux in the core, and (b) the secondary voltage if the secondary winding has 20 turns.arrow_forward
- Describe the four tests carried out on the transformer and state their purposearrow_forwardExplain the working principle of transformer in terms of Faraday Law of electromagnetic induction.arrow_forwardA 240/60 V, single-phase, ideal transformer is to supply power to a load rated at 90 V, 60 Hz. What must be the value of the supply voltage at the same frequency?arrow_forward
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