Industry knowledge
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2026-1-22Thyristor-based Non-contact Switch
What is a thyristor-based non-contact switch? A thyristor-based non-contact switch consists of high-power anti-parallel thyristor modules, photoelectric isolation circuits, trigger circuits, protectio -
2026-1-19How to avoid the harm caused by harmonic currents
When the load consists of harmonic sources such as frequency converters, medium-frequency furnaces, and DC motors, reactive power compensation devices are often burned out. In particular, with the wid -
2026-1-12Capacitor Reactive Power Compensation Switching Methods
Low-voltage shunt capacitor reactive power compensation switching devices include the following types: (I) Switching Controlled by Capacitor-Specific AC Contactors Due to the characteristics of capaci -
2026-1-09Zero-crossing Switching Contactless Switch
I. Definition of Zero-crossing Switching Zero-crossing switching refers to the process of connecting the capacitor at the voltage zero point and disconnecting it at the current zero point. II. Necessi -
2026-1-09Reactive Power Compensation Switching Methods
1.Delayed Switching Method, also known as "static" compensation. This switching method relies on the operation of dedicated contactors, which can suppress the inrush current of capacitors. T -
2026-1-08
Difference Between Dynamic Compensation and Static Compensation
The main function of reactive power compensation is to improve the power factor in power supply systems, thereby reducing equipment capacity and power losses, stabilizing voltage, and enhancing power -
2026-1-08
What equipment are the harmonic sources
(1) Power electronic equipment Power electronic equipment mainly includes rectifiers, frequency converters, switching power supplies, static converters, thyristor systems, and other SCR co -
2026-1-07Advantages of Low-Voltage Power Capacitors with Cylindrical Aluminum can
1. Excellent Thermal Conductivity As a metallic material, aluminum boasts superior thermal conductivity. Compared to capacitors made from other materials, aluminum housings can effectively and promptl -
2026-1-07what system data do reactive compensation controllers can measure
Reactive Power Compensation Controllers Can Measure the Following System Data: 1. Voltage: Real-time measurement of system voltage to ensure it remains within the set range. 2. Current: Real-time meas -
2026-1-06
Can Reactive Power Compensation Controllers Automatically Power Off?
Reactive power compensation controllers typically feature automatic power-off capabilities. Here are some key points: Overvoltage Protection: When the grid voltage exceeds a preset safety threshold, t -
2026-1-06
Reactive Power Compensation in Charging Piles use SVG or capacitor reactor
When selecting reactive power compensation equipment for charging pile systems, the choice between SVG (Static Var Generator) and capacitor-reactor combinations depends on the following factors: SVG ( -
2026-1-05
Altitude Requirements for Low-Voltage Capacitors
The altitude requirements for low-voltage capacitors are typically specified by the manufacturer in the product specifications. Generally, most low-voltage capacitors can operate normally at altitudes