Short Circuit
Short circuit current calculation for protective device coordination
Beta module: functional, with verification in progress.
Code references
Inputs
| Parameter | Unit |
|---|---|
| Utility Short-Circuit MVA | MVA |
| Utility Primary Voltage | V |
| Utility X/R Ratio | - |
| Transformer (JSON object) | — |
| Cables (JSON array) | — |
| Motor Loads (JSON array) | — |
Runs in the Insha by Schnell workspace. Verified calculators return explicit pass / fail / warning results with a clause trail.
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Insha by Schnell is in beta. All calculator outputs require review by a licensed SCE-registered engineer before submission to MOMRA, Civil Defense, MODON, the Royal Commission, or site execution.
Frequently asked questions
- What does the Short Circuit calculator do?
- Short circuit current calculation for protective device coordination. It references SBC 401 (Saudi Electrical Code).
- Which Saudi Building Code references does the Short Circuit calculator use?
- The Short Circuit calculator references SBC 401 (Saudi Electrical Code).
- What inputs does the Short Circuit calculator need?
- The Short Circuit calculator takes 6 inputs: Utility Short-Circuit MVA (MVA), Utility Primary Voltage (V), Utility X/R Ratio, Transformer (JSON object), Cables (JSON array), Motor Loads (JSON array).
- Is the Short Circuit calculator verified?
- Short Circuit is a beta module. It works, but verification is still in progress. Its results carry documented limitations and require review by a licensed SCE-registered engineer before submission or site execution.