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OEM Ultra High Voltage AC Transmission Capacitors

Home / Products / High Voltage Capacitors and Equipment / Ultra High Voltage AC Transmission Capacitors

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  • +86-13757652508
    +86-13819125977
    +86-0571-61071715

  • [email protected]

  • No. 508, Dongye Road, Dongjing Town, Songjiang District, Shanghai

High Voltage Variable Capacitor Supplier

    Information to be updated

Our Ultra High Voltage AC Transmission Capacitors are pivotal components in large-scale, long-distance power transmission projects, facilitating capacitive reactive power compensation to enhance system power factors. Tailored for the demanding requirements of high-voltage transmission systems, our capacitors ensure good performance and reliability.

Features

1. Application Scope and Functionality
Designed specifically for high-capacity, long-distance power transmission projects, Ultra High Voltage AC Transmission Capacitors play a crucial role in providing capacitive reactive power compensation, thereby enhancing the overall efficiency of transmission systems.

2. Operating Conditions
Altitude: Suitable for installation in regions with altitudes not exceeding 1000 meters (specify during ordering).
Temperature Range: Operable within a temperature range of -40°C to +45°C (specify during ordering).
Environmental Factors: Installation sites should be devoid of severe mechanical vibrations, corrosive gases or vapors, and conductive or explosive dust, ensuring performance and longevity.
Seismic Resistance: Designed to withstand seismic intensities up to 7 degrees (specify during ordering).

3. Compliance with Standards
Our Ultra High Voltage AC Transmission Capacitors adhere to rigorous industry standards, including:

IEC 60071-1: 2006 - Insulation Co-ordination – Part 1: Definitions, Principles, and Rules
IEC 60060-1: 2010 - High-voltage Test Techniques - Part 1: General Definitions and Test Requirements
GB 50227-2017 - Design Specifications for Parallel Capacitor Devices
DL/T 604-2020 - Technical Conditions for the Use of High Voltage Parallel Capacitor Compensation Devices

4. Key Technical Specifications
Voltage Level: 110kV
Capacity: 240Mvar
Capacitance Tolerance: -2% to +2%
Maximum Capacitance Ratio: Not exceeding 1.01 between any two terminals of a three-phase capacitor group
Dielectric Dissipation Factor: tand ≤ 0.0002 (at rated frequency voltage, 20°C)

5. Capacitor Group Protection Mechanisms
Employing bridge imbalance current protection, our capacitors offer three levels of protection:

Alarm Protection Level: Alerts when the voltage-bearing capacitor element remains operable safely without further fault propagation.
Alarm and 2-hour Delayed Trip Protection Level: Allows safe operation for two hours after fault detection, preventing further fault expansion.
Immediate Trip Protection Level: Prevents catastrophic incidents such as capacitor element group explosions.

6. Design and Characteristics
Structural Design:

Modular Design: Standardized and modular capacitor unit design enables ease of transportation, installation, and minimal footprint.
Utilization of 3D Software: Allows for static and dynamic load simulations, considering various loads such as mechanical loads during installation, maintenance, and operation, electromagnetic forces from internal or external faults, wind loads, seismic forces, and thermal and load-induced expansion forces.

Insulation Design:

Insulation Structure: Incorporates interlayer insulation, ground insulation, and phase insulation designs to ensure robust insulation performance under diverse operating conditions.

Ultra High Voltage AC Transmission Capacitors epitomize cutting-edge technology, reliability, and efficiency, making them the preferred choice for critical power transmission projects worldwide.

since 1988

Shanghai Yongjin Electrical Group Co., Ltd.

Yongjin Group was founded in 1988 and is a major domestic supplier of power quality solutions and power transmission and distribution equipment. We The company has one NEEQ-listed company, five subsidiaries, and three provincial and municipal R&D centers. With two major production bases in Shanghai and Zhejiang as the center, its products cover the power grid transmission and distribution field. Its business radiates throughout the national power system and overseas, making positive contributions to the safe and stable operation of the power system.

As a China supplier and sale factory, Yongjin Group is mainly engaged in the R&D and production of high and low-voltage capacitors and complete sets of equipment, 1-500kV cable accessories, wires and cables, cable temperature measurement online monitoring systems, power safety tools, and other products, which are widely used in Shanghai Disney, the Beijing Olympics, the Shanghai World Expo, the Jiuquan Satellite Launch Base, the High-speed Railway Hongqiao Station, the Guangzhou Asian Games, and other major national engineering projects.

Yongjin Group is committed to building an electrical manufacturing and service enterprise. After years of outstanding development, the company has been awarded honorary titles such as Key National Torch Program, National Innovation Fund Project Undertaken Unit, China Famous Trademark, Shanghai High-tech Enterprise, and Shanghai Famous Brand. It is a high-quality supplier to the State Grid and China Southern Power Grid.

"Never-ending, bright future" - Yongjin people uphold a strong sense of professionalism and social responsibility, adhere to market-oriented approaches, support technological progress, implement scientific management, and unremittingly pursue a development path of "high technology, high starting point, and high quality," focusing on electric power and serving the world.

Shanghai Yongjin Electrical Group Co., Ltd.
Certificate Of Honor
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  • Yongjin high voltage cable system intelligent monitoring software v1.0
  • A high voltage cable terminal grounding tail pipe structure
  • A combined high-voltage electrode, rubber prefabricated casing and high-voltage cable joint structure
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Ultra High Voltage AC Transmission Capacitors Industry Knowledge Extension

Ultra High Voltage (UHV) AC transmission capacitors play a crucial role in enhancing the efficiency and stability of power systems. Companies like Eonge specialize in manufacturing advanced high-voltage capacitors and related equipment that serve various applications in energy transmission and distribution.

Ultra High Voltage AC Transmission Capacitors

UHV AC transmission capacitors are designed to operate at exceptionally high voltage levels, typically above 800 kV. These capacitors are essential for improving the transmission capacity of power grids, allowing for the efficient transfer of electricity over long distances. By reducing transmission losses and enhancing voltage stability, UHV capacitors contribute significantly to the reliability of energy supply. Eonge's UHV capacitors are engineered with advanced materials and technologies, ensuring they can withstand conditions while providing outstanding performance.

One of the primary advantages of UHV capacitors is their ability to enhance the reactive power support in the grid. This is critical for maintaining voltage levels and improving the overall power factor. When integrated into a transmission system, these capacitors help mitigate issues like voltage sags and flicker, ensuring a stable power supply for both industrial and residential users.

High Voltage Variable Capacitors

High voltage variable capacitors offer flexibility in adjusting capacitance according to the system's requirements. These capacitors are pivotal in applications that demand precise control over reactive power, such as in tuning circuits, power factor correction, and voltage regulation. Eonge's variable capacitors are designed to handle high voltage operations safely and efficiently, making them ideal for various industrial applications.

The ultimate benefit of high voltage variable capacitors lies in their ability to adapt to changing system conditions. By allowing for real-time adjustments, they enable operators to optimize performance and maintain system stability. This adaptability is essential in today's dynamic energy landscape, where renewable energy sources are increasingly integrated into the grid, requiring more sophisticated reactive power management.

High Voltage Capacitor Chargers

To support the operation of high voltage capacitors, high voltage capacitor chargers are indispensable. These devices ensure that capacitors are charged efficiently and safely, facilitating their use in a wide range of applications. Eonge's high voltage capacitor chargers are built to handle the demanding requirements of modern power systems, providing reliable and stable charging under various operational conditions.

The chargers are designed to offer quick charging times, which is critical in applications requiring rapid energy storage and release. This capability is particularly important in scenarios like fault current interruption and voltage support during peak demand periods. The ultimate goal of high voltage capacitor chargers is to ensure that capacitors are always ready to provide the necessary reactive power support, thus enhancing the overall efficiency of the power system.

Applications and Benefits

The applications of UHV capacitors, high voltage variable capacitors, and capacitor chargers are vast and varied. They are integral to modern power transmission systems, renewable energy integration, and industrial power management. In utility-scale solar and wind energy installations, these capacitors help manage voltage levels and enhance power quality, making them crucial for sustainable energy solutions.

Moreover, industries that rely on heavy machinery, such as manufacturing and mining, benefit from improved power factor and reduced energy costs through the implementation of these high voltage capacitors. By optimizing the reactive power within their systems, businesses can achieve significant cost savings and increase their operational efficiency.

The advancements in Ultra High Voltage AC transmission capacitors, high voltage variable capacitors, and high voltage capacitor chargers, as exemplified by Eonge's product offerings, represent a significant leap in power management technology. The ultimate advantages of these components lie in their ability to enhance system stability, efficiency, and adaptability, making them indispensable in modern energy transmission and distribution systems. As the global energy landscape evolves, the importance of such technologies will only continue to grow, paving the way for a more reliable and sustainable future.