IUP Fault Wizard 10KV Thumper

Megger Fault Wizard Portable Cable Fault Locator

The Megger Fault Wizard is a portable cable fault location system used by Irish utilities, MV cable contractors, and renewable site operators to pre-locate faults on power cables in the field. It is the integrated thump-and-locate platform that combines a surge generator, a TDR, and the Fault Wizard software in one transportable unit, so a fault location campaign that used to need a small van of equipment can now be carried out from a single instrument.

Cable fault location is mostly time. Time to get a vehicle to the fault, time to set up, time to find the distance to fault, time to walk the route, time to dig. Anything that compresses the front part of that timeline pays for itself within a single outage. The Fault Wizard is built around that economic case.

What the Fault Wizard does

• TDR pre-location: send a low-voltage pulse down the cable, capture the reflection, and read distance to the fault location on the on-board display.
• Surge wave (thump) generation: integrated thump capability for high-impedance cable faults that a standard TDR pulse will not reveal.
• Arc reflection method (ARM): capture the trace at the moment of arc breakdown, converting a high-impedance fault into a clear TDR event with a defined distance.
• Fault Wizard software: on-instrument software that walks the operator through the right method for the fault type and produces a clean readout of distance to the fault.
• Shoot through transformers: the surge wave method allows the Fault Wizard to shoot through transformers and other passive components on the cable route, which a basic TDR cannot.
• Pinpointing pairing: pair the Fault Wizard with a Megger Sebakmt Digiphone+ or equivalent receiver for use in pinpointing the fault on the ground.

Why an integrated fault locator matters

The traditional cable fault location workflow needed a TDR for low-impedance faults, a surge generator for high-impedance faults, and a separate operator console for setup. The Fault Wizard collapses that into one unit, with the right method automatically selected based on what the cable is actually doing. For utility and DNO crews running fault response on the distribution network, that is the difference between a one-truck job and a multi-trip job.

Specifications: what to confirm before you order

Target users and applications

• Utilities and DNOs running fault response on MV and LV distribution cable
• HV and MV cable contractors carrying out planned fault location campaigns
• Industrial maintenance teams investigating faults on plant cable runs
• Renewable site operators locating faults on wind, solar, and BESS collector cable
• Cable test specialists providing fault location services to asset owners

Typical applications include fault response after a cable trip, planned fault location during outage management, integrity verification on a healthy cable before energising, and pre-location ahead of pinpointing on long cable runs. The Fault Wizard is also the right tool for situations where the fault is on the far side of a transformer or other passive component, since the surge wave method allows it to shoot through transformers and continue measuring.

As authorised Megger distributor in Ireland, Powerpoint Engineering supplies the Fault Wizard alongside the wider Megger fault location range, including TDRs, surge generators, sheath fault locators, and pinpointing receivers, and supports it with in-house calibration and repair.

FAQs

Will the Megger Fault Wizard locate high-impedance cable faults?

Yes. The Fault Wizard's integrated surge wave (thump) generator and arc reflection method allow it to locate high-impedance faults that a basic TDR cannot. The integrated software guides the operator through the right method for the fault type and presents the distance to fault on the readout.

Can the Fault Wizard work through transformers?

The surge wave methods allow the Fault Wizard to shoot through transformers and similar passive components in the cable route, which a basic TDR cannot. That can save a substantial amount of disconnection work on faults that lie beyond a primary substation.

Does the Fault Wizard need calibration?

Yes. As a precision measurement instrument used for fault pre-location decisions, the Fault Wizard should be recalibrated periodically. Powerpoint Engineering's calibration laboratory recalibrates Megger fault location systems and supplies a traceable certificate.

To match the right Megger Fault Wizard configuration to your network and fault location workflow, request a quote or speak to our team for compatibility advice.