Concept explainers
The missing values.
Explanation of Solution
The given values are shown in below table:
Primary | Secondary 1 | Secondary 2 | Secondary 3 | ||||
277 | 480 | 208 | 120 | ||||
350 | |||||||
Turns Ratio 1 | Turns Ratio 2 | Turns Ratio 3 | |||||
Primary – Secondary 1:
Calculate the turns ratio 1
The turns ratio 1
Calculate the current in secondary winding 1
Calculate the no. of turns in secondary winding 1.
Calculate the current in primary winding due to secondary winding 1
Primary – Secondary 2:
Calculate the turns ratio 2
The turns ratio 1
Calculate the current in secondary winding 2
Calculate the no. of turns in secondary winding 2.
Calculate the current in primary winding due to secondary winding 2
Primary – Secondary 3:
Calculate the turns ratio 3
The turns ratio 1
Calculate the current in secondary winding 3
Calculate the no. of turns in secondary winding 3.
Calculate the current in primary winding due to secondary winding 3
Calculate the total current in primary winding
Thus, the all missing values are calculated and shown in below table:
Primary | Secondary 1 | Secondary 2 | Secondary 3 | ||||
277 | 480 | 208 | 120 | ||||
8.93 | 2.4 | 3.4667 | 5 | ||||
350 | 606 | 263 | 152 | ||||
Turns Ratio 1 | 1:1.7328 | Turns Ratio 2 | 1.3317:1 | Turns Ratio 3 | 2.3083:1 | ||
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Chapter 4 Solutions
Electrical Transformers and Rotating Machines
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