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Nov 13,2024
In the power supply system, reactive power compensation can improve the power factor of the power grid, reduce the loss of power transformers and transmission lines, and improve the power supply environment. Reasonable selection of compensation devices can minimize the loss of the power grid and improve the quality of the power grid. If the selection or use is improper, it may cause many problems ...
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Nov 19,2024
Whether the motor needs on-site compensation depends mainly on its capacity and the grid conditions. When the motor capacity is large and the grid voltage fluctuates greatly, it is recommended to use on-site compensation. On-site compensation can improve motor efficiency and stability and reduce energy waste. As an important equipment in industrial production and daily life, the operating efficien...
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Dec 06,2024
Low-voltage SVG (Static Var Generator): A key compensation device for power systems In modern power systems, power quality is a crucial aspect. With the development of industry and the increase of various complex power loads, the balance of reactive power in the power grid has become increasingly critical. As an advanced reactive compensation device, low-voltage SVG (static var generator) plays an...
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Dec 25,2024
Power quality analysis and improvement measures for cement plants The size of system voltage deviation, the degree of three-phase voltage imbalance, and the reliability of power supply have an important impact on the safe operation and service life of electrical equipment, and are also directly related to the safety, stability and economic operation of the cement plant power system itself. 1. Powe...
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Feb 19,2025
In modern power systems, low-voltage capacitor cabinets, as an important reactive power compensation device, play an indispensable role. It can effectively improve the power factor of the power system, reduce line losses, improve the quality of power, and ensure the stable operation of the power system. Ⅰ. Working principle The low-voltage capacitor cabinet mainly realizes reactive power compensat...
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Mar 25,2025
Low-voltage static VAR generator (SVG) and low-voltage capacitor cabinet are both devices used for reactive power compensation, but there are many differences in working principle, performance characteristics, application scenarios, etc., as follows: Working principle Low-voltage SVG: Based on power electronics technology, by controlling power devices such as IGBT, the DC side electric energy is c...
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May 22,2025
The low power factor of a single-phase circuit will lead to a decrease in equipment efficiency and an increase in line loss. To control the power factor, we need to analyze the causes and take targeted measures. The following are common control methods: I. Common causes of low power factor 1. Mainly inductive loads Equipment such as fluorescent lamps, motors, transformers, etc., need to consume re...
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May 26,2025
Both capacitor banks and filter banks are used in low voltage (LV) power systems for reactive power compensation and power quality improvement, but they serve different primary purposes. 1. Low Voltage Capacitor Banks Purpose: Reactive power compensation (power factor correction) Voltage support (reduces line losses and improves efficiency) Components: Capacitors (fixed or switched) Contactors/thy...
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Jun 19,2025
In low-voltage power distribution systems (usually 400V and below), the hybrid solution of static VAR generator (SVG) and traditional capacitor compensation is a compromise between performance and cost. The following is an in-depth analysis of the advantages and disadvantages of hybrid compensation and the risk of component damage based on technical principles and application scenarios: Ⅰ. Technic...
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Dec 09,2025
The correct selection of capacitor banks, SVG (Static Var Generator), and active power filters (APF) and external current transformers (CTs) directly affects the measurement accuracy, response speed, and overall operational performance of the compensation/filtering device. The following details how to correctly select these components, covering both general principles and specific considerations f...
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Jan 15,2026
The modular solution for low-voltage capacitor banks differs significantly from the traditional split-type (also known as combined or cabinet-type) solution in terms of structure, performance, and maintenance. I. Modular Capacitor Compensation Device Structural Features: Capacitors, reactors, switching devices (thyristors, contactors, or composite switches), protection devices (fuses, temperature ...
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Feb 07,2026
Below is a partial list of our shipments over the past two weeks at the end of the year： 1. Africa High Voltage Outdoor Water Cooling Statcom FAT and Delivery 2. Eastern European Static Var Generator and Active Harmonic Filter 3. Southeast Asia LV APFC 4. Latin American MV APFC(13.8kV)
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Apr 01,2026
Product Uses: Intelligent reactive power compensation capacitor banks are "energy-saving experts" in power systems. Their main functions are: Compensating for reactive power losses in the power grid, improving the power factor, and avoiding power factor penalties for the power sector; (B) Reducing line losses and improving the power supply efficiency of the power grid; Stabilizing the power grid v...
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