Question:
A 100 kVA Generator has 10% reactance. Its short circuit kVA is:
A 100 kVA Generator has 10% reactance. Its short circuit kVA is:
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The short-circuit kVA of a generator is calculated by dividing the rated kVA by the percent reactance.
Updated On: May 4, 2025
- 100 kVA
- 500 kVA
- 1000 kVA
- 10000 kVA
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The Correct Option is C
Solution and Explanation
The short-circuit kVA is calculated using the formula:
\[
\text{Short circuit kVA} = \frac{\text{Rated kVA}}{\text{Percent reactance}}
\]
Given:
- Rated kVA = 100 kVA,
- Reactance = 10%.
Substituting the values:
\[
\text{Short circuit kVA} = \frac{100}{0.1} = 1000 \, \text{kVA}
\]
Thus, the short-circuit kVA of the generator is 1000 kVA, which corresponds to option (3).
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