Do you know what a DC high-voltage generator is? It is actually a commonly used instrument for electrical testing, mainly used for measuring leakage current and DC withstand voltage. In on-site testing, the device is required to be lightweight, convenient, and reliable for measurement. So the instrument adopts digital control…

The DC high-voltage generator is an instrument that provides a high-voltage DC source and is an essential equipment for high-voltage testing, specifically used for conducting DC withstand voltage tests. The instrument should be designed and produced using intermediate frequency modulation technology, and the use of step-up DC high-voltage generators for…

The technical specifications of the DC power supply for the DC high-voltage generator can be divided into two categories: one is the characteristic specifications, which reflect the inherent characteristics of the DC stabilized power supply, such as input voltage, output voltage, output current, and output voltage regulation range; Another type…

The main factors affecting the insulation performance of transformers during operation are temperature, humidity, oil protection methods, and overvoltage effects. Therefore, controlling these factors within a reasonable range is a key element to ensure the safe use of transformers.1. The influence of temperatureThe power transformer is insulated with oil paper,…

Introduction to winding deformation functionThe transformer winding deformation tester is a specialized testing instrument used to measure the deformation of transformer windings according to the power industry standard DL/T911-2004. Power transformers are inevitably subjected to various faults, short-circuit currents, or physical impacts during operation or transportation. Under the strong electric…

VLF HV Generator is a type of power equipment used to generate ultra-low frequency and high voltage. It is usually widely used in the testing and diagnosis of power systems, insulation material testing, and other related fields. Ultra low frequency (VLF) signals refer to electrical signals in the frequency range…

In the electrical industry, cable fault testers are a very important device used to detect and locate cable faults, ensuring the stable operation of the power system. However, there are many types of cable fault testers available on the market, and how to choose a tester that suits your needs…

The circuit breaker characteristic tester is a device used to test and diagnose the performance of circuit breakers in high-voltage power systems. Circuit breakers are common protective devices in the power system, used to isolate faults and maintain equipment. Therefore, it is necessary to ensure their normal operation and timely…

At present, most circuit resistance testers on the market use a typical four wire measurement method, where a high-frequency switching power supply provides a test current greater than 100A. When the measurement button is pressed, the high-frequency switching power supply outputs a test current greater than 100A. At the same…

The grounding grid continuity tester is an instrument used to detect the continuity and grounding resistance of the grounding grid. The high current method and the frequency difference method are two commonly used testing methods, which differ in principle, scope of application, and test results.1. High current method (also known…