Technical Guide
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High-voltage Switch On-site Test Scheme for Contact Resistance Tester
This specification is applicable to conducting on-site contact resistance tests on high-voltage circuit breakers, disconnectors, GIS combined electrical equipment, etc., using contact resistance testers. The aim is to standardize the test operation procedures, clarify safety requirements and judg...Read more -
The performance features of the switch mechanical characteristic tester
The performance of the switch mechanical characteristic tester Time: The inherent opening and closing times of 12 contacts, the same-phase synchronization [the synchronization difference between each phase (two contacts) of the six-contact circuit breaker], and the inter-phase synchronization (...Read more -
Standardized Process for Motor Testing of Partial Discharge Testing System
I. Startup and Preheating Set the time base display mode switch to the “Ellipse” position. The preheating duration of the instrument should be no less than 5 minutes to ensure the stability of the equipment operation. Take measures to protect the instrument from direct sunlight and ke...Read more -
High-voltage switch mechanical characteristic tester menu test settings
When conducting high-voltage testing experiments, the power testing equipment usually has an operation panel and a display screen. Some simple settings need to be made on the screen before the test can be carried out. Below, experts from HV HIPOT provide an example to introduce the settings of a ...Read more -
The composition, configuration selection and application advantages of the series resonant device
I. Equipment Overview The series resonance device is an important special power supply equipment in the modern high-voltage testing field. It utilizes the series resonance characteristics of the inductor and capacitor circuits, and can generate test voltages far higher than the power supply volta...Read more -
Insulating Oil Dielectric Strength Testing Instrument Test Standard Procedures and Applications
The insulation oil dielectric strength tester is a core detection equipment used in the fields of power, petrochemicals, and equipment manufacturing to assess the electrical insulation performance of insulation oil. The equipment relies on the measurement of the breakdown voltage of the insulatio...Read more -
The technical principle and on-site testing methods of the SF6 moisture tester
I. Overview Sulfur hexafluoride gas possesses excellent insulation performance and arc-extinguishing capability, and is widely used in gas-insulated fully enclosed combined electrical equipment, circuit breakers, transformers, and other high-voltage electrical devices. The moisture content within...Read more -
Selection of Insulating Gloves Voltage Resistance Tester and Standard Operating Procedures
I. Key Technical Parameters When selecting and operating the insulation glove withstand voltage tester, the following core technical parameters need to be focused on to ensure compliance with the test and normal operation of the equipment. 1.1 Power Input The device is powered by a 220-volt singl...Read more -
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