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VFD / motor starters
Electrical tool — VFD / Starters step (placeholder).
Coming on this step
- VFD troubleshooting — fault codes, input/output voltage, carrier vs line, bypass.
- Three-phase capacitors — PF correction is engineered; not start/run µF from HP.
- Motor starters — across-the-line (DOL), star-delta, soft start vs VFD.
No calculator on this pass. Use Motor for nameplate MCA / MOP / wire, and 3-Phase Power for kW / kVA.