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Parallel Generator Short-Circuit Contribution

Per-generator fault current contribution at a common bus, using the standard subtransient-reactance method, summed across all paralleled generators.

AAJappsEngineering Calculation Report

Parallel Generator Short-Circuit Contribution

Subtransient reactance method

Generated

For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.

Common bus

kV

Generators

kVA, Xd''p.u.
kVA, Xd''p.u.

Fault contribution

Genset 15.80 kA (rated 696A)
Genset 25.80 kA (rated 696A)
Total at bus11.59 kA