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Technical
Technical Guide
Precautions for DC Resistance Tester
by admin on 22-03-23
Transformer DC resistance measurement is a must-test item for semi-finished products, finished products factory test, installation, handover test and preventive test of power sector in transformer manufacturing. Defects and hidden dangers after operation. Transformer DC resistance tester is a rap...
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Operation Introduction for Capacitance & Tan Delta Tester
by admin on 22-03-16
Description of Capacitance & Tan Delta Tester capacitance &tan delta tester is a very basic method in insulation test, which can effectively check the overall moisture deterioration of electrical equipment insulation, as well as local defects. Different frequency automatic capacitance &am...
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Introduction for SF6 Gas Leak Detector
by admin on 22-03-10
When choosing and understanding the sf6 gas leak detector, you should be able to pay attention to the information of these tests, and be able to understand these specific problems, and be able to pay great attention to and attach great importance to some of its advantages. Using conditions and en...
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What are the precautions for the use of zinc oxide arrester tester?
by admin on 22-03-02
Zinc oxide Surge Arrester Tester is an instrument for testing the performance of zinc oxide arrester equipment. It can detect power failure or live state, and can timely find out whether the zinc oxide arrester is aging or damp. It has high measurement accuracy. The use and operation are simple a...
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Brief Analysis of GIS Partial Discharge Detection Method
by admin on 22-02-22
The current research results of partial discharge in GIS equipment show that due to the relatively high dielectric strength of SF6 gas, the duration of the partial discharge pulse in the high-pressure SF6 gas in GIS equipment is very short, about a few nanoseconds, and the wave head has a very sh...
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DC high voltage generator
by admin on 22-02-14
The DC high voltage generator meets the on-site DC withstand voltage test and leakage current test of the power sector, so how to select the DC high voltage generator, how to set the standard, what are the conventional and unconventional? ...
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The purpose of transformer AC withstand voltage test
by admin on 22-02-12
During the operation of power equipment, the insulation will gradually deteriorate under the action of electric field, temperature and mechanical vibration for a long time, including overall deterioration and partial deterioration, resulting in defects. defect. Various preventive test methods, ea...
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Why do AC withstand voltage tests need to be performed on power equipment?
by admin on 22-01-17
Why do you need to perform AC withstand voltage test on power equipment? The AC withstand voltage test is an effective and direct method to identify the dielectric strength of power equipment. HV Hipot ...
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There are several steps in the operation test of the insulation resistance tester
by admin on 22-01-12
The insulation resistance tester is mainly used to measure the insulation resistance of large transformers, transformers, generators, high-voltage motors, power capacitors, power cables, arresters and other equipment. GD3127/3128 Insulation Resistance Tester Operation and test st...
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Purpose and test method of AC withstand voltage test for transformer
by admin on 22-01-05
The transformer AC withstand voltage test is a test in which a sinusoidal power frequency AC test voltage exceeding a certain multiple of the rated voltage is applied to the windings of the tested transformer together with the bushing, and the duration is 1 min. Its purpose is to use a test volta...
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What are the precautions for using SF6 gas recovery device?
by admin on 22-01-03
If you know something about SF6 gas recovery device, everyone should know that the device has basic functions such as vacuuming, recovery and storage, filling and discharging, bottle filling and purification and drying, as well as corresponding combined functions. As long as the equipment you pu...
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Faults and inspection methods in operation of relay protection system
by admin on 21-12-29
The weakest link in the relay protection system is the transformer in the power system voltage. In the voltage loop, it is easy to malfunction during operation. The transformer in the voltage plays a very important role in the normal operation of the power system. Function, although there are not...
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