Technical Guide
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The main application industries and scope of the SF6 gas recovery device
I. Equipment Definition The SF? gas recovery device is a specialized equipment designed for safe and efficient recovery, purification, storage, and recharging of SF? gas within electrical equipment. It is a crucial device for ensuring the rational utilization and environmental treatment of SF? ga...Read more -
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Analysis of the Generation Principle of Series Resonance
In the fields of power systems and electronic engineering, series resonance is an important circuit phenomenon that can achieve efficient energy transmission and selective amplification of signals at specific frequencies. This article will delve into the generation principle of series resonance t...Read more -
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The main functions and selection methods of the SF6 gas recovery device
The SF6 gas recovery device is a crucial specialized equipment in the power industry (especially in substations that use GIS (Gas Insulated Switchgear) and SF6 circuit breakers), with its core function being to safely, efficiently, and environmentally friendly processing of SF6 gas. I. Core Funct...Read more -
The detection range of the portable partial discharge detector for on-site detection
The portable partial discharge detector is a portable instrument used to detect and locate the partial discharge (PD) phenomenon that occurs internally or on the surface of electrical equipment (such as high-voltage cables, switch cabinets, transformers, insulators, etc.) due to insulation defect...Read more -
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Three-channel DC resistance tester test operation method
I. Core Advantages: Why Choose Three-Channel? High measurement efficiency: Three-phase windings are charged and measured simultaneously, reducing the traditional several-hour work to just a few minutes. Higher measurement accuracy: Due to synchronous measurement, the temperatures of the three-pha...Read more -
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Knowledge sharing about series resonant reactors
The fundamental reason for the slightly lower power factor on the input side of the frequency converter is fundamentally different from the low power factor of the three-phase motor with variable frequency. Series resonance occurs because the three-phase motor is a rational and objective electric...Read more -
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On-site usage method of SF6 gas recovery device
SF6 gas, due to its excellent insulation and arc-extinguishing properties, is widely used in power systems. However, during the installation, maintenance, and repair of electrical equipment, operations such as gas recovery, storage, charging, and discharging are necessary to ensure the normal ope...Read more -
Introduction about AC Series Resonance Test System
The generator AC withstand voltage test requires the use of power frequency voltage. The national standard defines the frequency of power frequency voltage as 45Hz to 65Hz. However, in many test scenarios, the generator is required to undergo an AC test of 50Hz ± 2Hz. Moreover, the generator stat...Read more -
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