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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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Apr 24,2025
Analysis of the situation where the system load exceeds the transformer capacity configuration when the transformer and photovoltaic are used at the same time. Phenomenon and cause 1. Power fluctuation superposition: The power generation power of the photovoltaic system is affected by factors such as light intensity and weather conditions, and fluctuates significantly. When there is sufficient sun...
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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
STATCOM (Static Synchronous Compensator) can help control harmonics, but its primary function is not harmonic filtering. Here's how it relates to harmonics: 1. Primary Role of STATCOM: Reactive Power Compensation: STATCOM provides fast and dynamic reactive power support to regulate voltage and improve power system stability. Voltage Stability: It helps maintain grid voltage by injecting or absorbi...
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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
The application prospects of static VAR generators (SVG) in China's energy storage industry show significant growth potential, a trend driven by policy support, technological innovation and market demand. The following is an in-depth analysis based on the latest industry dynamics and technological progress: I. Strong support from policies and industry standards National policies clearly list SVG a...
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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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Oct 21,2025
Established in 2001 and headquartered in Bengbu City, Anhui Province, ZDDQ(ANHUI ZHONGDIAN ELECTRIC CO.,LTD) is a leading integrated enterprise specializing in power quality and distribution solutions. Our modern manufacturing facility spans 25,000 square meters and employs nearly 200 professionals, with a specialized R&D team accounting for one-quarter of our workforce. Production & Capab...
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Dec 18,2025
For years, capacitor banks have been the standard solution for power factor correction. Yet, their slow, fixed-step operation struggles with today's dynamic industrial loads, often causing over-correction or harmful resonance. The Static Var Generator (SVG) represents a fundamental upgrade. It's a fully electronic system that delivers precise, instantaneous reactive power compensation. Think of it...
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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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Apr 10,2026
Application:The intelligent reactive power compensation capacitor bank serves as an "energy-saving specialist" in power systems. Its primary functions include: （1）Compensating for reactive power losses in the grid, improving the power factor, and avoiding penalties imposed by power authorities for low power factor; （2）Reducing line losses and enhancing the pow...
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Apr 16,2026
Low-Voltage Static Var Generator Reactive Power Compensation Device Description Application Scenarios for SVG Reactive Power Compensation Devices Reactive power compensation devices should be installed wherever low-voltage transformers or large-scale electrical equipment are present; their installation is particularly mandatory in industrial facilities, commercial enterprises, and residential area...
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Apr 22,2026
Capacitor compensation cabinets can effectively improve the power factor of the power grid, save energy, and improve power supply quality. Power factor refers to the percentage of apparent power in a power grid that is used to supply active power. In the operation of a power grid, a higher power factor is desirable. If this is achieved, most of the apparent power in the circuit will be used to sup...
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