Technical
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The role of series resonant reactors in resonant circuits
As the name suggests, an inductor is a component connected in series in a circuit (an inductor). In the industries of reactive power compensation and harmonic control, the series inductors are mainly those connected in series with capacitors. The series inductors and capacitors form a resonant ci...Read more -
Explanation of the knowledge about the AC hipot test set
The AC withstand voltage resonance device is mainly designed and manufactured for the AC withstand voltage tests of primary electrical equipment in substations below 220kV. It can meet the AC withstand voltage tests of capacitive equipment such as transformers, GIS systems, SF6 switches, cables, ...Read more -
The main characteristics of series resonance
The main characteristics of series resonance: 1.The operation is quite simple. It is divided into two types: automatic test and manual test. The former can automatically find the resonance point and automatically increase the voltage, while the latter is for manually finding the resonance point a...Read more -
Detailed Explanation of the Differences between Series Resonance Test Equipment and Variable Frequency Series Resonance Test Equipment
The principle of series resonance refers to the situation in a series circuit composed of resistors, inductors and capacitors. When the capacitive reactance XC is equal to the inductive reactance XL, that is, XC = XL, the voltage U and current I in the circuit are in phase. At this point, the cir...Read more -
What is partial discharge?
During the maintenance and monitoring of power systems, partial discharge, as a potential fault indicator, has gradually drawn significant attention from engineers and researchers. Its concealment and destructive nature make the understanding of partial discharge an important aspect in the manage...Read more -
How to test the operating time with a relay protection tester?
Relay protection devices, as key safety protection components in power systems, directly affect the safety and stability of power grid operation with their performance. Action time, as an important indicator to measure the response speed of relay protection devices, reflects the duration from the...Read more -
In the AC withstand voltage test, how can we determine whether the test sample has been broken down?
The AC withstand voltage test is an indispensable part of the performance assessment of electrical equipment and insulating materials. Its core task is to verify the insulation strength and safety of the tested item under high voltage. Determining whether the tested item has been broken down is a...Read more -
The difference between dielectric withstand voltage and insulation resistance
In the inspection and maintenance of electrical engineering and electronic technology, dielectric withstand voltage and insulation resistance are two crucial electrical performance indicators. They are often used to assess the safety and reliability of electrical equipment, insulating materials, ...Read more -
Is the high current generator providing a DC output or an AC output?
In the vast field of electrical engineering, the high current generator, as an important device, plays a crucial role. They are widely used in power systems, laboratory tests, and various industrial applications. Regarding the output characteristics of the high current generator, many people ofte...Read more -
GIS insulation resistance, loop resistance, opening and closing time and synchronous measurement
In the operation and maintenance of power systems, ensuring the reliability and safety of equipment is of vital importance. For this reason, the monitoring and evaluation of parameters such as insulation resistance, loop resistance, opening and closing time, and concurrent measurement are particu...Read more -
How to ensure the accuracy of sf6 gas leak detectors
In modern industrial applications, SF6 gas (sulfur hexafluoride) is widely used in high-voltage electrical equipment due to its outstanding electrical insulation performance and excellent arc-extinguishing characteristics. However, SF6 gas has an extremely high potential for the greenhouse effect...Read more -
Is the output of the high-current generator direct current or alternating current
In the vast field of electrical engineering, the high-current generator, as an important piece of equipment, plays a crucial role. They are widely used in power systems, laboratory tests and various industrial applications. Many people often have doubts about the output characteristics of high-cu...Read more