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Case Studies

IPEC have installed systems and conducted tests on thousands of asset, here we cover some highlights.

PD on 13.8kV busbar

A case study discussing partial discharge damage found on a 13.8kV busbar.

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PD-SGS/PD Detector on site

Utility, Middle East – Detecting Pending Asset Failure

This case study will detail how IPEC’s PD-SGS detected a pending asset failure in a Middle East utility company.

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The ASM ipec - UK airport

Airport, UK – Asset Monitoring

In 2018, following a recent high voltage failure, IPEC were tasked with finding a condition monitoring solution at an airport in London.

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oil

Oil Company, UK – Partial Discharge Detected & Located on 33kV Assets

A sharp increase of Partial Discharge activity was detected on a 33kV switchgear panel by IPEC’s on-line PD Monitoring system, the ASM. High TEV PD signals were detected across the switchboard.

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chemical company

Chemical Company, South Korea – Fault Prevented

IPEC kept a close eye on the rise, and the criticality went from 0 to 100 in a very short period of time meaning a failure was imminent.

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Saudi faulty cable

Utility Company, Middle East – Cable PD Detected

The examination showed extensive PD damage around the trifurcating point of the termination.

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oil company south korea ipec

Oil Company, South Korea – IPEC ASM Detects Partial Discharge

IPEC conducted an annual data analysis report for the client, and it concluded there were high levels of Partail Discharge on cable EA4800B.

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transport

Seoul transport company, South Korea – PrecisePD Located PD on Cable

IPEC conducted Partial Discharge cable mapping for the customer in Seoul using the PrecisePD location and detection system.

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utilities

Utility, UK – Fault Prevented in 33kV Switchgear

Partial Discharge spot testing was carried out in the 33kV substation.

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Switchgear PD Detection and Location

Client Engineers carried out routine tests on MV switchgear and accessories using IPEC’s PD-SGS instrument.

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Utility, London – 132kV Cable Termination Fault Prevented

A 132kV cable termination into a 132/11kV transformer at a large central London substation failed in Nov 2011, causing extensive damage.

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steel factory ipec

Steel Plant – PD Location

In early 2009, one of the monitored cables in the steel plant experienced rapidly increasing levels of discharge activity.

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pd monitoring equipment from ipec

Rural Substation – Faulty VT Contacts

On 20th Sept 2012, PD initiated in the switchgear of a transformer panel at the substatio

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hv cable monitoring for ipec

HV Cable Monitoring

The system provides permanent monitoring for partial discharge of the cable insulation, cable joints and the terminations.

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discharging-RRUMs london stadium ipec

Olympic Park – Discharging RMUs

As part of a scheduled test program, IPEC carried out PD testing on all 170 RMU switches in the distribution network on the Olympic Park.

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permanent pd monitoring system for ipec

Crossrail – Partial Discharge Monitoring of MV Switchgear

Partial discharge tests carried out in Oct 2012 showed that the switchboards were free from PD.

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