OMICRON PDL650

The OMICRON PDL650 is an acoustic partial discharge (PD) localisation system for pinpointing the location of insulation defects in power transformers. Even at an early stage, insulation defects produce measurable partial discharges, which emit both electrical and acoustic signals simultaneously. The PDL 650 measures acoustic signals using multiple sensors installed across the transformer’s surface.

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• Efficient because repairs and spare parts are predictable when failure location is known
• Easy creation of reports and records
• Safe due to galvanic separation of operator from high-voltage
• Convenient and handy through light weight, small size and battery operation

• Innovative Defect Localisation: The PDL 650 software uses the time difference of incoming signals from all acoustic sensors to determine the location of an insulation defect in the transformer. The coordinates of the defect location are shown in a 3D model of the transformer. This information allows users to quickly act and take necessary maintenance actions to prevent failure.
• Safe Operation: With the use of fibre optic cables, the PDL650 ensures maximum operator safety through complete electrical isolation between the system’s acquisition and control units.
• Reliable Measurements: Partial discharge measurements with the MPD 600 can be used to trigger acoustic measurements with the PDL 650 to ensure precise PD localisation in noisy environments.

• Manufacturing process of transformers
• Final acceptance test at the transformer manufacturers
• Yearly maintenance of transformers
• Localising failures before necessary repairs