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Power frequency discharge voltage is one of the important parameters reflecting the quality of electrical equipment. Zinc oxide arrester field tester (over-voltage protector tester) is an advanced intelligent test equipment designed according to the latest national power industry standard (JB/T6479-1992). It is widely used in 35kV and below power systems, mainly used for metal zinc oxide arrester (Electrical) with series gap components, insulating materials) and three-phase combined over-voltage protector are tested for power frequency discharge voltage and insulation strength to test the insulation level of the tested object, find the insulation defects of the tested object, and measure the over-voltage capacity. In the field acceptance and subsequent operation and maintenance, the power frequency discharge test of MOA-SG and TBP with series gap is an important and necessary work. The discharge voltage is an important parameter that directly reflects the product quality. If the test method of MOA without series gap is adopted to measure The measurement of power frequency discharge voltage of metal Zinc Oxide arrester with series gap will lead to high measurement results and misjudgment of equipment status. The Zinc Oxide arrester field tester (over-voltage protector tester) of our company is developed based on this. The tester consists of 2 parts: tester host and high-voltage test power supply. It is widely used in electrical manufacturing department, electric power operation Department and scientific research unit.
Control Unit
Power supply | AC220V ± 10% |
Output voltage | AC 0-250V |
Output current | 25A |
Capacity | 5kVA |
Timing range | 0-999s |
Voltage accuracy | ≤ ± 2% (F.S) |
Current accuracy | ≤ ± 2% (F.S) |
Environmental temperature | -20°C to 50°C |
HV unit
Input voltage | 0-200V |
Output voltage | 0-50kV |
Output capacity | 5kVA |
Environmental temperature | -20°C to 40°C |