Technical Guide
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The main testing functions and technical indicators of the high-voltage switch tester
I. Working Principle The core task of the high-voltage switch tester is to capture various physical parameters generated during the opening and closing operations of the circuit breaker’s operating mechanism. The equipment operation relies on two core technologies: sensor collection and dig...Read more -
The application scope of the winding inter-turn impulse voltage tester
I. Overview and Working Principle of the Instrument The winding inter-turn impulse voltage test instrument is a professional device used to test the insulation quality of windings in electrical equipment such as motors and transformers. The instrument is based on the pulse waveform comparison met...Read more -
The main application scenarios of the automatic anti-interference dielectric loss tester
The automatic anti-interference dielectric loss tester is a core device in the field of electrical insulation testing. Its technical advantage lies in the ability to accurately measure the dielectric loss factor (tgδ) and capacitance (Cx) in a strong electromagnetic interference environment. I. A...Read more -
Different classifications and application scopes of DC resistance testers
I. Classification of DC Resistance Testers DC resistance testers are mainly classified based on measurement principles, output current amplitude, and functional structure. Different types of devices have distinct technical characteristics and application scenarios. Classification by measurement p...Read more -
Transformer Short-Circuit Impedance Testing Instrument: Technical Principle and Applications
I. Equipment Overview The transformer short-circuit impedance tester is a specialized testing device used to detect the deformation and displacement conditions of the windings of power transformers. During transportation, transformers may be subjected to mechanical shocks, or during operation, if...Read more -
Testing Instruments for Zinc Oxide Surge Arresters and Their Technical Characteristics
Zinc oxide arresters are crucial overvoltage protection devices in the power system, and their operational conditions directly affect the overall safety and stability of the power grid. After long-term operation, the internal valve plates of the arresters are prone to performance degradation due ...Read more -
10kV Switchgear Circuit Resistance Testing Standard Technical Specification
I. Test Purpose and Significance The 10kV switch cabinet circuit resistance test is a core test item for evaluating the contact performance of the conductive system of the switch cabinet. The magnitude of the circuit resistance directly reflects the contact conditions of the circuit breaker conta...Read more -
Instructions for Cable Fault Testing System
Description of the cable fault testing system: (1) Under-voltage indication: When the internal battery voltage of the instrument is too low, the under-voltage indicator light will come on. At this point, the instrument needs to be charged. (2) Charging indicator: After plugging in the 220V AC p...Read more -
Performance characteristics of the earth grid grounding resistance tester
Grounding is a key aspect related to safety in power systems. Below, experts from HV HIPOT introduce the grounding resistance tester for measuring grounding effectiveness, as well as the performance features of the grounding grid grounding resistance tester. 1. Automatic frequency recognition: T...Read more -
Common Error Handling of Switch Mechanical Characteristic Tester
During the use of power test equipment, errors may occur due to operational mistakes. Below, experts from HV HIPOT provide an example to introduce the handling of common errors for a product – the switch mechanical characteristic tester. The instrument indicates “Output short circui...Read more -
Application and Selection of Circuit Breaker Comprehensive Characteristic Tester
I. Working Principle and Core Functions The circuit breaker comprehensive characteristic tester is built on high-speed data acquisition and sensor technology. It collects multiple signals such as time, displacement, and current during the operation of the circuit breaker, and through professional...Read more -
Insulation Inter-Winding Electrical Strength Testing Instrument Test Standard Procedure
Electrical equipment such as motors, transformers, solenoid valves, reactors, relays and other types of electromagnetic winding electrical devices have the most vulnerable and easily failing insulation structure in their enameled wire winding insulation. During operation, when the equipment is su...Read more