. A 25-cycle transformer has 2,250 primary turns and 150 secondary turns. If the maximum value of the mutual flux is 2.64 X 10 maxwells, calculate: (a) the pri- mary and secondary induced voltages; (b) the ratio of transformation.

. A 25-cycle transformer has 2,250 primary turns and 150 secondary turns. If the maximum value of the mutual flux is 2.64 X 10 maxwells, calculate: (a) the pri- mary and secondary induced voltages; (b) the ratio of transformation.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter4: Symbols

Section: Chapter Questions

Problem 7SQ: The symbol shown is a(n) a. iron core transformer. b. auto transformer. c. current transformer. d....

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Concept explainers

Distribution System

The final stage in the delivery of the electric power is the electric power distribution system. From the transmission system to the individual customers it carries electricity. The distribution system is connected with the transmission system and is used to lower the voltage of the transmission to medium voltage in the range of 2 kV to 35 kV with the help of transformers. This medium voltage to the distribution transformers located near the customer's premises is carried by the primary distribution system lines. These distribution transformers in turn lower the voltage to utilization voltage used in lightings, household appliances, industrial equipments etc. Through secondary distribution lines often several customers are supplied from one transformer. It is through service drops, the commercial and residential customers are connected to the secondary distribution system lines. Customers who demand a larger amount of power can be connected directly to the primary distribution system level or the sub-transmission level.

Question

3. A 25-cycle transformer has 2,250 primary turns and 150 secondary turns. If the
maximum value of the mutual flux is 2.64 X 10 maxwells, calculate: (a) the pri-
mary and secondary induced voltages; (b) the ratio of transformation.

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