Technical
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Technical Features and Usage Notes of Induction Withstand Voltage Test Equipment
The induction withstand voltage test device is controlled by a high-performance CPU. It utilizes high-power power electronics and software/hardware control technologies, allowing both the output voltage and frequency to be continuously adjustable. It outputs stable pure sine waves. The device is ...Read more -
Technical Analysis and Selection of High-Voltage Circuit Breaker Characteristic Testers
Time parameter (accuracy requirement ≤0.1ms, high-end models可达 0.01ms) Closing and opening time and three-phase inconsistency: This evaluates the consistency and coordination of the circuit breaker’s operating mechanism, serving as a key indicator affecting arc extinguishing performance....Read more -
Complete Procedure for Power Frequency Withstand Voltage Test Equipment
The complete test procedure of the power frequency withstand voltage test device 1. Wiring preparation for power frequency withstand voltage test equipment Attach one end of the grounding wire to the grounding grid, and the other end to the grounding terminal of this instrument. Note: The groun...Read more -
Main Test Items and Equipment for 10kV Zinc Oxide Surge Arresters
The 10 kV zinc oxide arrester is a core protective device for overvoltage protection in power systems, and its operating condition directly affects the insulation safety and stable operation of various electrical equipment within the system. Conducting standardized and regulated preventive tests ...Read more -
Influence of Test Interference on Partial Discharge Detector and Its Recognition
The basic principle of electrical detection for partial discharge is to measure the high-frequency current pulses generated by partial discharge in the insulation structure of the test sample under a certain voltage. During actual testing, it is necessary to distinguish and eliminate the high-fre...Read more -
Relay protection tester boundary test parameter settings
Relay protection tester boundary measurement Automatically determines the two operating boundaries of directional protection and calculates the maximum sensitivity angle. In the “Display Operating Angle Vector Diagram” mode, the two boundary lines and the maximum sensitivity line can...Read more -
Special Instructions for the Fully Automatic Insulated Boot (Glove) Withstand Voltage Test Device
Special Instructions for the Use of the Fully Automatic Insulating Boot (Glove) Voltage Withstand Test Equipment 1. The fully automatic insulation boots (gloves) withstand voltage test device is a high-voltage instrument. Please read the manual carefully and conduct the test only under the guida...Read more -
Cable Fault Detection Operating Method
How to properly use a cable fault tester to quickly and accurately locate cable faults has long been a challenge for many. For years, fault detection has relied heavily on experience, making it difficult for new operators to effectively identify cable faults. Drawing on over a decade of accumulat...Read more -
Transformer DC Resistance Measurement Method and Operating Specifications
Measurement of the DC resistance of transformers is carried out to shorten the charging time and obtain accurate resistance values. The charging current is generally set at 2-10% of the rated current. For large-capacity transformers, a smaller value is chosen, while for small-capacity transformer...Read more -
Transformer winding deformation tester technical principle and function mode
Transformers, as the core equipment of the power system, the mechanical structural stability of the windings directly affects the safe operation of the power grid. Affected by factors such as transportation shock, short-circuit current impact, and long-term operation aging, the windings are prone...Read more -
Requirements for the protection and control device of ultra-low frequency high voltage generator
Ultra-low frequency high-voltage generator protection and control device Overvoltage protection test Zero-rise voltage boosting is carried out. As the output voltage gradually rises to the set value for overvoltage protection, the ultra-low frequency high-voltage generator should immediately ac...Read more -
Principle Application Explanation of Zinc Oxide Surge Arrester Tester
The zinc oxide arrester tester is a specialized instrument used for testing the electrical performance of zinc oxide arresters. The zinc oxide arrester tester is applicable for both live and de-energized detection of zinc oxide arresters of various voltage levels, enabling timely detection of dan...Read more