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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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May 08,2025
1. Overview of the development of the power quality optimization and management equipment industry Power quality refers to the nature and characteristics of the power provided to users by the power supply system, including voltage fluctuations, frequency stability, harmonic content, voltage flicker, power interruption and other aspects. Good power quality is the basis for ensuring the normal opera...
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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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Jul 28,2025
Among high-voltage reactive power compensation equipment, the traditional static var compensator (SVC) and the existing mainstream static var generator (SVG) are two types of equipment with significantly different technical paths. The core differences are reflected in multiple dimensions such as working principles, performance indicators, and applicable scenarios. The following is a detailed compa...
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Sep 15,2025
33kV Static VAr Generator/SVG/Statcom Thanks for cooperation. 11kV Static Var Generator/Statcom 33kV Static Var Generator/Statcom
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Oct 13,2025
This is a fundamental design choice in high-power electronics like STATCOMs (Static Synchronous Compensators). The cooling system directly impacts power density, efficiency, reliability, and total cost of ownership. Here is a detailed comparison of Water Cooling versus Air Cooling for STATCOMs. Executive Summary Water Cooling is the preferred solution for high-power density, large capacity, and co...
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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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Oct 30,2025
Active Harmonic Filter is a high-power, fast-switching electronic amplifier. Its job is to continuously monitor the electrical system and instantly inject equal but opposite "anti-harmonic" currents to cancel out the distortions. This demanding process generates a significant amount of waste heat, and managing this heat is paramount for several key reasons: 1. To Protect the Power Semiconductors (...
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Nov 04,2025
1. Energy Storage System (ESS) Battert Energy Storage System(BESS) is essentially a large-scale battery installed within the electrical grid. Primary Function: To store electrical energy and release it when needed. Key Applications in a Substation: Peak Shaving: Charging during low-demand (low-cost) periods and discharging during high-demand (high-cost) periods, reducing strain on the grid and sav...
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Nov 10,2025
Designing a STATCOM (Static Synchronous Compensator) for a power plant is a complex, multi-disciplinary engineering task. It's not a single-item purchase but a custom-engineered system. Here is a comprehensive breakdown of the design process, from concept to implementation. Phase 1: Understanding the "Why" – Problem Definition & Specification Before any design begins, you must clearly define t...
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Dec 02,2025
We recently had the pleasure of hosting a dedicated team from Mexico for an intensive three-day Factory Acceptance Test (FAT) and training program focused on Statcom (Static Synchronous Compensator) systems. It was an inspiring blend of technical validation, knowledge sharing, and cross-cultural collaboration. Day 1: Deep Dive into Design & FAT Commencement The session began with a thorough re...
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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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