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Techimp is a world-leader company with outstanding field-proven competencies and experience in on-site HV cable testing. During a simultaneous PD test, one or more operators are available to perform measurements on each accessory simultaneously. Sensors and acquisition units (one for each 3/6 phases) are interconnected through a fiber optic ring. Acquisitions are stored in the device internal memory and can be downloaded in a later stage in total safety. Simultaneous PD Tests are normally performed during a High Voltage Cable Commissioning Tests.
Typical “daisy chaining” of the PD measurement chain along the cable route