Xi'an Simo Electric Machinery GroupSpecializing in the production of high-voltage large motors, DC motors, inverter motors...
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High voltage reactive power compensation cabinet

High voltage reactive power compensation cabinet

高压无功功率补偿柜是一种面向高压工业电力系统的关键无功补偿设备,能够稳定电网电压、提高功率因数、降低电能损耗,提升整个电力系统的运行效率和安全性。该设备采用先进的自动控制技术和高品质电容器组,实现快速、可靠的无功补偿,广泛应用于电力系统、冶金、化工及大型工业厂区。

柜体设计紧凑,结构稳固,配备高性能断路器、电抗器及智能控制系统,具有自动投切、保护完善、操作简便等特点。能够有效降低线路发热、减少能量损耗,并延长配电设备和工业机械的使用寿命。

  • 高压无功补偿,提高功率因数

  • 自动控制,响应速度快,运行稳定

  • 智能投切,操作简便

  • 完善保护功能,安全可靠

  • 节能降耗,延长设备使用寿命

广泛应用于:高压变电站、电力系统、工业厂区、冶金化工企业及各类大型高压用电设备。

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高压无功功率补偿柜:高效节能的电网质量提升专家

在现代电力系统中,高压无功功率补偿柜正成为企业降低用电成本、提升电网质量的关键设备

High voltage reactive power compensation cabinet是用于6kV/10kV及以上电力系统的无功补偿装置,通过并联电容器组提升电网功率因数,降低线路损耗与电费成本。该设备广泛应用于冶金、矿山、建材、石化、机械等行业的大功率高压电动机就地补偿和配电系统集中补偿,能够将电网功率因数从0.75提升至0.95以上,有效解决企业因功率因数低而被供电部门罚款的难题

高压无功功率补偿柜
High voltage reactive power compensation cabinet

一、工作原理与技术特点

1. 智能工作原理

高压无功功率补偿柜基于并联电容器补偿原理工作。电力系统中的负载大部分是感性负载(如异步电动机),这些负载需要电网提供大量无功功率。其等效电路可看作电阻和电感的串联电路,其电压与电流的相位差较大,功率因数较低

并联电容器后,电容器向电网输出容性无功功率,与感性负载的感性无功功率相互抵消。这使得电压与电流的相位差变小,功率因数显著提高,从而降低变压器与线路损耗,提升电网质量

2. 自动控制机制

现代高压无功功率补偿柜采用智能控制器实现自动运行。控制器实时监测系统的电压、无功功率和功率因数,当检测到的无功功率值超过整定值时,控制器根据需投电容器组的级数,给出控制信号,自动合闸高压真空开关,将电容器组投入运行

当负载无功功率值低于整定值时,控制器给出控制信号将高压真空开关断开,电容器组退出工作。这一过程完全自动进行,确保系统的功率因数稳定在0.95-0.99之间,不会出现过补偿现象

二、核心结构与组件设计

高压无功功率补偿柜是由多种关键电气组件构成的一体化装置,其主要组成包括:

1. 主要元器件

  • 并联电容器:采用真空电镀膜金属化聚丙烯薄膜并联电容器,具有体积小、容量大、损耗小、重量轻等特点,自身损耗仅为一般油浸低胆电容器的五分之一以下
  • 串联电抗器:主要用于限制合闸涌流和抑制谐波。当限制合闸涌流时,电抗器XL=(0.1%~1%)XC;抑制5次以上谐波时,XL=(5%~6%)XC;抑制3次以上谐波时,XL=(12%~13%)XC
  • 投切开关: Adoption高压真空接触器或断路器,实现电容组的快速、可靠投切
  • 智能控制器:以微处理器为核心,采用先进控制算法,实现无功功率动态跟踪补偿

2. 保护与安全组件

  • 保护元件:包括高压喷逐式熔断器作为短路保护,氧化锌避雷器用于限制投切电容器组引起的操作过电压
  • 放电装置:柜内设有放电装置,当电容器组断开电源时,在5秒内将电容器组上的剩余电压自额定电压峰值降至50V以下,保障人身和设备安全
  • 监测系统:配备电流表(三相)、电压表、运行状态指示,实现运行参数实时监控

三、性能特点与技术优势

高压无功功率补偿柜具有多项卓越的性能特点,使其在工业应用中表现出色:

1. 高效节能特性

  • 显著提升功率因数:能够将电网功率因数从0.75提升至0.98以上,有效减少变压器与线路损耗
  • 降低电能损耗:通过提高功率因数,电流下降10%~20%,有效降低线损
  • 提升设备利用率:通过补偿无功功率,提高变压器负载率及电机效率

2. 智能控制优势

  • 多种投切策略:支持电容器组循环投切,先投先切,投切延时可设定,确保电容器平均利用率基本相等
  • 电压优先原则:按电压质量要求自动投切补偿柜,电压超出最高设定值时,逐步切除电容器组;电压低于最低设定值时,在保证不过补条件下逐步投电容器组
  • 远程监控功能:带有RS-232、RS-485及红外通讯口,可实现本地和远程控制

3. 安全可靠设计

  • 多重保护机制:具有过压、失压、过流(短路)和零序继电保护,速断保护等完善保护功能
  • 智能诊断功能:当出现电容器控制回路继保动作、拒动和控制器失电等故障时发出声光报警,显示故障部位和闭锁出口
  • 温度自动控制:具有温度检测功能,自动检测柜内温度,并能控制电容室排风扇,排气降温

四、技术参数与规格

高压无功功率补偿柜的主要技术参数如下:

parameter categoryTechnical specifications and performance indicators
rated voltage6kV/10kV
最高运行电压7.2kV/12kV(6kV/10kV系统)
Rated frequency50Hz
补偿容量单组容量从300kvar至2400kvar不等,可根据需求定制
功率因数提升从0.75提升至0.95-0.98以上
environmental temperature-25℃~+45℃
protection class根据柜体设计而定,通常为户内安装
电容偏差实测电容与其额定值之偏差不超过额定值的+10%—-5%

五、应用领域与场景

高压无功功率补偿柜具有广泛的应用范围,特别适用于以下场景:

1. Heavy industry

  • Metallurgical industry:轧钢机、电弧炉等大功率设备配套,补偿大量无功需求
  • Mining industry:提升机、破碎机、输送机等重型设备,改善电网质量
  • 建材行业:水泥厂球磨机、风机等设备,有效提高功率因数

2. 能源密集型产业

  • petrochemicals:压缩机、泵类设备集中场所,实现无功就地补偿
  • 电力系统:变电站、配电网等,进行集中无功补偿
  • 给排水行业:大型水泵电机补偿,降低线路损耗

3. Special application scenarios

  • 谐波污染严重环境:配置适当电抗率的电抗器,抑制谐波放大
  • 电压波动大场所:通过快速投切,稳定电网电压
  • 空间受限场合:采用紧凑型设计,节省安装空间

六、选型与安装指南

1. 选型考虑因素

选择合适的High voltage reactive power compensation cabinet是确保补偿效果的关键:

  • 负载特性分析:了解系统中感性负载的比例、运行时间及变化规律
  • 现有功率因数:测量现有电网功率因数,确定需要补偿的容量
  • 谐波状况:检测电网谐波含量,确定是否需要配置滤波电抗器
  • installation environment:考虑环境温度、湿度、海拔高度及防护等级要求

2. 容量确定方法

补偿容量的确定主要基于以下方法:

  • 功率因数提升法:根据现有功率因数和目标功率因数计算所需补偿容量
  • 无功功率需求法:根据系统无功负荷曲线确定补偿容量
  • 经验系数法:按照变压器容量的20%-40%进行估算

3. 安装注意事项

为保证高压无功功率补偿柜的正常运行,安装环境应满足:

  • mounting position:户内安装,无有害气体、蒸汽、导电性或爆炸性尘埃
  • environmental conditions:环境温度-25℃~+45℃,月平均相对湿度不超过90%
  • 海拔高度:不超过2000米(超过2000米需特殊设计)
  • 通风要求:确保柜体周围有足够的散热空间,必要时配置通风设备

七、效益分析

投资高压无功功率补偿柜可为企业带来多方面的收益:

1. 直接经济效益

  • 电费节约:通过提高功率因数,避免供电部门罚款,享受电费奖励
  • 线损降低:电流下降10%-20%,显著减少线路损耗
  • 设备利用率提升:提高变压器负载能力,延缓增容投资

2. 综合效益

  • 电网质量提升:改善电压波动,提高供电可靠性
  • 设备寿命延长:减少无功电流对设备的冲击,延长电机、变压器等设备使用寿命
  • 生产效率提高:稳定电压质量,减少因电压波动造成的生产中断

High voltage reactive power compensation cabinet作为现代工业企业电能质量管理的核心设备,不仅能显著提升功率因数降低用电成本,还能改善电网质量提升设备运行效率。随着电力资源日益紧张和用电标准不断提高,安装高压无功功率补偿柜已成为企业提高竞争力实现可持续发展的重要举措。

对于追求高效运营节能降耗的工业企业来说,选择合适的High voltage reactive power compensation cabinet无疑是明智的决策。我们建议您根据企业实际用电特性,咨询专业技术人员,选择最适合的补偿方案,以获取最大的经济效益和技术回报。

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Simo motorsAfter-sales service policy: quality-oriented, the user first!

Sincere, intimate, and devoted, Sigma will always be attentive.

preamble

Thank you for choosing Sigma Motor products. As an enterprise with many years of experience in motor manufacturing, Sigma Motor always insists on “Quality oriented, customer first”For the purpose, through the perfect service system, to ensure that every customer can enjoy efficient and professional after-sales service.

Our products have been awarded the honorary titles of “High Quality Products”, “China Famous Brand Products”, “National Inspection-free Products” and “China Well-known Trademark” for many times by provinces, cities and ministries. Famous Trademark" honorary title. In order to further enhance customer experience, we have formulated this after-sales service policy, aiming to provide customers with comprehensive, fast and satisfactory service guarantee.

I. Quality Assurance Commitments

Sigma Motor implements comprehensive quality control in strict accordance with international standards, national standards, machinery industry standards and enterprise standards:

  1. All products are listed in the “GB/T 19001-2008/ISO 9001:2008 quality management system”Production is carried out under effective operation to ensure that raw materials are strictly and perfectly inspected from the time they enter the factory to the time the products leave the factory.

  2. Commitment that all products offered areNew and unusedand meets the quality requirements specified in the user's contract.

  3. Adhere to the quality management system in accordance with “GB/T 19001-2000 idt ISO 9001:2000 standard”, and keep the quality management system running effectively.

Second, pre-sale service content

To help customers make the best choice, Sigma Motors offers comprehensive pre-sales support:

  • Specialized technical consulting: Receive inquiries from customers about the business and technical aspects of motors, and answer all kinds of questions from customers.

  • Personalized Solutions: Objectively introduce the performance and characteristics of Sigma's motor products and provide customized power solutions according to customer needs.

  • Comprehensive product information: Provide detailed quotations, drawings and motor samples and other information to help customers fully understand the characteristics of the product.

III. Ordering instructions

To ensure that the motor meets your needs, please specify the following parameters when ordering:

  • Basic parameters: Motor model, rated power, rated voltage, number of poles, rated frequency

  • installation environment: Protection class, cooling method, mounting method, rotation direction, environmental conditions, outlet location

  • Conditions of use: Altitude and working temperature of the installation site, type of load of the motor

if anyspecial requirementIf you have any questions about our products, please feel free to contact us, we need to sign another technical agreement before signing the order contract. You can also directly call our customer service hotline:15902923228 Access to professional guidance.

IV. Warranty Policy Details

1. Warranty period

Sigma Motors offersNot more than two years from date of shipmentThe warranty service. Within this specified time period, if the motor is damaged or fails to function properly due to poor manufacturing quality, Sigma Motors willRepairing or replacing parts or motors at no cost to the user

2. Warranty coverage

  • Warranty covers product quality problems caused by our company, the company will replace the relevant parts or provide free repair.

  • Warranty services need to be based onProper use and normal maintenanceThe machine should be used correctly in accordance with the original operating manual and maintained, lubricated and cleaned in accordance with the original manufacturer's recommendations.

3. Non-warranty coverage

The following are not covered by the warranty:

  • Non-designated maintenance staffDamage caused

  • Unauthorized modifications or self-disassembly

  • utilizationUnofficial spare parts or software

  • Failure to comply with operating manualsPrescribed guidelines for use, handling and maintenance

  • natural disaster(Damage to products caused by wind, fire, flood, earthquake, etc.

  • Natural wear and tear under normal use

V. Post-warranty services

After the expiration of the warranty period, Sigma motors provide continuous service support:

  1. Reimbursable services for life: After the expiration of the warranty period, if the product malfunctions, our company implements lifelong paid service, the required wearing parts and spare parts toCost price supply

  2. (pay a) regular return visit: After-sales service staffFrom time to time, we will make return visits to the usersUnderstand the status of product usage and resolve potential issues in a timely manner.

  3. Professional Repair ServiceThe company undertakes the repair of all kinds of motors, regardless of whether they are under warranty or not, and can provide professional overhaul and maintenance services.

VI. Service commitments and standards

Sigma Motors is committed to “Sincerity, thoughtfulness, devotion, Sigma will always be attentive.”The “Three Hearts” service concept ensures customer experience through standardized service processes:

  1. Professional Services Team: The company has set up a specialized service team to provide installation guidance, troubleshooting and maintenance services to ensure the efficient operation of the products in the process of use.

  2. Rapid Response Mechanism: The after-sales service team will respond promptly to customer feedback and quickly develop solutions.

  3. Full track record: Detailed records are kept for all service sessions to ensure traceability of the service process and continuous improvement of service quality.

VII. User complaint channels

If you are not satisfied with the services provided by Sigma Motors, you are welcome to provide feedback through the following channels:

  • direct marketingComplaints from Service Department and Headquarters

  • Call the customer service line:15902923228

We will take every piece of feedback seriously and continue to improve the quality of our services.

concluding remarks

Sigma Motors will continue to provide customers withHigh quality products and professional after-sales serviceWe will solve your worries through a perfect service system. We firmly believe that only the success of the customer, the development of Sigma. Choosing Sigma motor is choosingQuality and Trust

Sigma motors--Service with heart, create the future together!

Simo motorsBrand advantage: excellent quality, leading the motor industry innovation and development

More than sixty years of professional precipitation, to create a benchmark brand in the motor industry

Brand heritage and strength

Sigma Motors (former)Xi'an Electric Machinery Factory) was founded in 1955, as China's motor industryleading enterprisesThe company is one of the leading manufacturers of electric motors in the world, with more than sixty years of experience and expertise in the manufacturing of electric motors. The company has now developed intoIntegration of R&D, manufacturing and sales of motor productsOur products are widely used in many important fields such as electric power, coal, petroleum, mining, metallurgy, railroad, transportation, chemical industry, agriculture, water conservancy, aviation and so on.

Sigma motors are recognized for theirDeep technical heritageContinuous spirit of innovationThe company has established an excellent brand image in the motor industry, and its products are exported to more than 40 countries and regions such as North America, Europe, the Middle East, Southeast Asia, Africa, Australia, etc., which are trusted and highly praised by users all over the world.

Core Technology Advantage

1. Leading research and development innovation capabilities

Sigma Electric always takes technological innovation as the core driving force of enterprise development:

  • Professional R&D Team: Has a team ofSenior engineers and technologistsThe R&D team, which is composed of a team of researchers, focuses on the cutting-edge research and application development of motor technology.

  • Continuous technical investment: invest an annual percentage of sales5%-7% As R&D funding to ensure continuous technological innovation and product upgrades

  • Patented Technology Achievements: Cumulative access toMore than a hundred national patentsA number of products have won national and provincial awards for scientific and technological progress.

  • Industry-University-Research Cooperation: Establishing strategic cooperative relationships with many well-known universities and scientific research institutions to jointly promote the development of motor technology.

2. Excellent product quality system

Sigma Motors has established a comprehensive quality assurance system to ensure that every motor meets the highest quality standards:

  • International Standard Certification: Fully adoptedISO9001 Quality Management System CertificationISO14001 Environmental Management System CertificationOHSAS18001 Occupational Health and Safety Management System Certification

  • Strict quality control: Implementation from raw material procurement to finished product shipment68 strict quality control proceduresEnsure zero defects in products

  • Advanced testing equipment: Equipped with international advancedMotor Performance Test SystemVibration AnalyzerNoise test equipmentetc., comprehensive testing of various performance indicators of the motor

  • Continuous Quality Improvement: Establish a perfect quality feedback mechanism, continuously optimize the production process, and improve product quality and stability.

Product Advantage Characteristics

1. Energy efficient technologies

Sigma Motors actively responds to the national energy-saving and emission reduction policy and launches a series of energy-efficient products:

  • High Efficiency Motor Series: To meet the nationalGB18613-2020 standardEnergy efficiency rating, some products reachIE4, IE5 ultra-high efficiency level

  • Application of energy-saving technologies: AdoptionHigh Quality Silicon Steel SheetLow loss bearingsHigh efficiency cooling systemetc., significantly reducing operational energy consumption

  • Intelligent control technology: Supporting the advancedFrequency control systemThe optimal control of the motor operating state is realized, and the energy-saving effect is improved 15%-30%

2. Excellent performance

Sigma Motor products are characterized byHigh reliability, long service life, low maintenance costsAnd famous:

  • Powerful power output: Optimized electromagnetic design solutions to ensure that the motorHigh starting torque and high overload capacity

  • Low vibration and low noise: AdoptionDynamic balancing processnoise reduction technologyThe vibration and noise values are better than the national standards.

  • Highly adaptable to the environmentProduct design takes into account all kinds of severe working conditions, withResistant to high temperature, humidity and corrosionand other properties

  • Long life design: The key components are made of special treatment and high quality materials, and are designed to last up to100,000 hoursthat amount or more

3. Complete product range

Sigma Motors offers a comprehensive range of products to meet the needs of different customers:

  • High voltage motorsrange: Voltage level coverage6kV, 10kVMultiple ratings, power range200-10000kW

  • Low Voltage Motor Series:: IncludesYX3, YE3, YE4and other series, power range0.55-1000kW

  • Explosion-proof motorsrange: ByNational explosion-proof certificationFor use in flammable and explosive hazardous areas

  • Specialized motor series: Developed for specific industry needsSpecialized for coal mine, metallurgy, and shipsSpecialty motors

  • Non-standard customization capability: Strong customization and development capability, according to the customer's needsPersonalized Solutions

Service System Advantage

Sigma Motor has established a comprehensive customer service system:

  • pre-sales technical support: Provide professional selection guidance, program design and product demonstration

  • Intimate service during the sale: Strict contractual performance, ensuring on-time delivery and providing installation guidance

  • Comprehensive after-sales protection24 months warranty7×24 hours technical support48-hour on-site servicepromise

  • Lifetime maintenance support: Establish customer equipment files and provide full life-cycle service support

Industry Application Advantages

Sigma motors have accumulated a wealth of application experience in a number of key industries:

  • Power industry: Provide supporting motors for thermal power, hydropower and nuclear power, with stable and reliable operation.

  • coal industry: Explosion-proof motor products passed the coal mine safety certification, safety recognized by the industry

  • petrochemicalsCorrosion-resistant, explosion-proof special motors to adapt to the harsh working conditions and ensure safe production.

  • Metallurgical industry: High overload capacity, high temperature resistant motors to meet the special needs of metallurgical equipment

  • Transportation: Specialized motor solutions for railroads, rail transit, ports, etc.

Brand Honors and Certifications

Sigma motors have won many honors for their excellent product quality and good market performance:

  • China Famous Brand ProductsNational Inspection-free ProductsChina Famous Trademarks

  • High-tech enterprisesProvincial Enterprise Technology Center

  • A number of products won the provincial and ministerial-level scientific and technological progress awards

  • Contract and Trustworthy EnterpriseQuality and reputation AAA grade enterprise

concluding remarks

Choosing Sigma motors is choosingReliable quality assuranceLeading Technical StrengthComplete service supportSigma Motors is a leading manufacturer of electric motors in China. With more than sixty years of professional accumulation, Sigma motors have a profound technical background and rich industry experience, and are able to provide customers in various industries with the best quality motor products and perfect power solutions.

In the future, Sigma Motor will continue to uphold the "Quality-oriented, innovation-driven, customer first"business philosophy, and constantly improve the level of product technology and quality level, to create greater value for customers, and make greater contributions to the development of China's motor industry.

Sigma motors - strong power, excellent energy efficiency and perfect service!

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