Phone: +8618330222305
Email: sales08@bdhuazheng.com
Phone: +8618330222305
Email: sales08@bdhuazheng.com
I. Failure analysis of relay protect1. Current mutual inductance saturation faultThe saturation degree of the current transformer to the relay protection of the power system is very large. With the increase of terminal capacity of power distribution system equipment, if a short circuit occurs, the s
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I.OverviewHZCS-3 transformer oil acid tester is a fully automatic measuring instrument which adopts the extraction method to accurately detect the insulating oil acid value. This instrument can improve the working efficiency and test accuracy, and at the same time ensure the safety of the body
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Liquid level and material level measurement is a problem often encountered in the industry. Ultrasonic positioning technology has many advantages. It can not only locate and continuously measure, but also can easily provide the signals required for telemetry or remote control. Compared with radioact
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1. What is grounding?Grounding is a low resistance connection between a circuit or device and ground. Any electrical system requires proper wiring and grounding for safe operation of the equipment. Proper cabling requires that the system, all loads, and circuit components be properly grounded and co
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The contact angle is defined as the angle θ between the gas-liquid interface tangent and the solid-liquid interface at the intersection of gas, liquid and solid.If θ < 90°, it is really hydrophilic, that is, the liquid can wet the solid, and the smaller the angle, the better the wettability; i
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+8618330222305
+8618330222305
sales08@bdhuazheng.com
0086-18330222305
Julia Jin-huazheng
