High-voltage reactive power concentration compensation device

Introduction: Within the 3 to 35kV power system, numerous inductive loads lead to issues such as low power factor, significant reactive power losses, and penalties from utility providers. Consequently, high-voltage capacitor compensation cabinets have become a standard solution in power systems. These devices are designed to compensate for reactive power, boost power factor, regulate grid voltage, minimize line losses, enhance power supply quality, and optimize the efficiency of power distribution equipment. Capacitor banks can range from hundreds of kilovolt-amperes (kVAR) to tens of megavolt-amperes. The design ensures safe and reliable operation through careful consideration of factors like main wiring configurations, protection mechanisms, inrush current limitation, and harmonic overload suppression. Structurally, these devices are compact and easy to install and maintain.

High-voltage reactive power concentration compensation device

For many years, our company has focused on the research, development, manufacturing, and application of electric drive systems, power electronics, and power quality solutions. Our product lineup includes high- and low-voltage reactive power compensation filters, high-power motor soft starters, variable-speed drives, motor energy-saving controllers, and power quality equipment. These solutions find applications across diverse industries, including construction, metallurgy, oil, shipbuilding, port facilities, chemical processing, textiles, paper manufacturing, municipal services, water supply, and more.

Features:

  • Device Quality: Utilizing premium components, such as high-voltage capacitors that offer high reliability, extended lifespan, low losses, and minimal temperature rise during operation.
  • Safety & Reliability: Each capacitor is equipped with robust safety features, including discharge mechanisms that reduce residual voltage to below 50V within five seconds of power disconnection.
  • Comprehensive Protection: The device incorporates advanced capacitor protection features, such as fuse-based short-circuit protection for individual capacitors, unbalance protection using neutral-point unbalanced current detection, open-delta voltage monitoring, and voltage differential protection.
  • Robust Protection Mechanisms: Equipped with overcurrent, quick-trip, overvoltage, and undervoltage functions to ensure safe and stable operation.
  • Harmonic Suppression: Selective reactors with rejection ratios ranging from 0.5% to 13% effectively limit inrush currents and suppress specific harmonic frequencies.
  • Intelligent Flexibility: The system automatically adjusts based on operational conditions, offering multiple control modes, such as switching by power factor, voltage, or reactive power levels.
  • User-Friendly Operation: Once set up, the controller operates autonomously without requiring manual intervention, minimizing human error and effort.
  • Ease of Maintenance: The compact and durable design reduces the need for frequent component replacements, making maintenance straightforward and cost-effective.

Classification:

  • By Compensation Location: High-voltage centralized compensation and on-site compensation.
  • By Compensation Method: Fixed compensation, manual compensation, and automatic compensation.
  • By Voltage Level: High-voltage compensation and low-voltage compensation.
  • By Installation Type: Indoor compensation and outdoor compensation.
  • By Device Type: Cabinet compensation, frame compensation, and pole-mounted compensation.

We take pride in delivering innovative, efficient, and reliable solutions tailored to meet the needs of modern power systems. Whether you’re looking to optimize energy usage or enhance grid stability, our products provide scalable and adaptable options for your specific requirements.

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Jiangmen Krealux Electrical Appliances Co.,Ltd. , https://www.krealux-online.com