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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 01,2025
I. Industry driving factors 1. Demand for new energy power generation and grid upgrades The volatility and intermittency of new energy power generation (such as wind power and photovoltaic power generation) put forward higher requirements for grid stability, and it is necessary to rely on power quality equipment (such as reactive power compensation and harmonic control) to achieve grid stability....
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Mar 14,2025
SVG low-voltage static reactive generator is mainly composed of control part, power part and starting part. The following is its detailed internal structure and working principle: Internal structure 1. Control part: mainly composed of computer, control board, sampling board, drive board, etc. The sampling board collects the voltage, current and other parameters of the power grid in real time. The ...
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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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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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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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