Chroma 19501 Partial Discharge Test Guide - Photocoupler
■The photocoupler uses light as a medium to provide signal transmission and isolation. With characteristics feature in well electrical isolation between the input and output terminals, it is often used to bridge the high-voltage circuit and the low-voltage signal circuit. It is a safety-regulated component that must get the safety standard certification of the sales area before it can be sold.
■The regulation requires the photocouplers are 100% withstand voltage tested and partial discharge inspected during fabrication to ensure no partial discharge occurs under the maximum working voltage of which may cause material variation due to long-hour work and endanger the safety of personnel.This test guide explains the content of safety regulations and the matters needing attention in production inspection.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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August 2021 |
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2 MB |
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