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DC-Link Capacitors

Discover high-quality DC Link capacitors designed for industrial and high-power applications. Nantong Jiangsen Electronic Technology offers advanced film capacitors with superior reliability and performance, suitable for power electronics, renewable energy and EV automotive systems.

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Production Processes

  • Winding
    Winding
    This is the process where conductive material, usually metal foil, is wound tightly to form the core of the capacitor. This winding is crucial for creating the capacitor's ability to store and release electrical energy.
  • Hot Pressing (Flat Core)
    Hot Pressing (Flat Core)
    Here, the wound core undergoes hot pressing to flatten it. This step is important for shaping the capacitor and can also influence its electrical characteristics.
  • Gold Spraying
    Gold Spraying
    Sputtering gold onto the capacitor components is likely a method of applying a very thin layer of gold. This layer can be important for improving conductivity and protecting against corrosion.
  • Heat Treatment
    Heat Treatment

    The components are subjected to heat treatment. This process can relieve stresses in the materials, improving durability, and ensuring the stability of the capacitor's electrical properties.

  • Core Testing (Energizing)
    Core Testing (Energizing)

    Testing the core, especially after energizing, is crucial. This step ensures the core to meet the necessary electrical specifications and is free from defects.

  • Welding
    Welding
    Welding is used to securely connect various components of the capacitor. This step must be performed with precision to ensure structural integrity and reliable electrical connections.
  • Potting
    Potting
    Potting involves encasing the capacitor in a protective material. This material protects the internal components from environmental factors and mechanical stress.
  • Final Product Testing
    Final Product Testing
    After assembly, the finished capacitor is rigorously tested. These tests confirm that the product meets all required specifications and performance standards.
  • Inspection
    Inspection
    A thorough inspection is conducted to ensure the quality of the finished product. This step is critical for maintaining high-quality standards.
  • Storage
    Storage

    Finally, the capacitors that pass all tests and inspections will be stored, which are ready for distribution or further processing.

Custom DC-Link Capacitors

About
Nantong Jiangsen Electronic Technology Co., Ltd.
Nantong Jiangsen Electronic Technology Co., Ltd.
Nantong Jiangsen Electronic Technology Co., Ltd. is located in a historical and cultural city of Jiangsu Province Rugao. The Hui-style "Shuihui Garden" tops in gardens and can be found nowhere else. As the hometown to "flowers and plants", the traditional bonsai wins appraise from home and abroad. Moreover, Rugao enjoys the reputation of being the city of longevity. Nantong Nantong Jiangsen Electronic Technology Co., Ltd., a dazzling pearl, is sparkling on this ancient and magic land.

Our company covers an area of 78 acres with a construction area of 50,000 square meters.We are China Custom DC-Link Capacitors Suppliers and Custom OEM DC-Link Capacitors Factory. The first phase investment amounts to 160 million RMB and the registered capital is 60 million RMB. With an integration of manufacturing, designing and sales, our company has high automation in metalized films and film capacitors of all series and pitches.
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DC-Link Capacitors Industry knowledge

Unlock the Future of Power Electronics with DC Link Capacitors

In the rapidly evolving landscape of power electronics, the DC Link Capacitor plays a crucial role as a bridge between DC power supply and inverters. It is a critical component in ensuring the smooth operation and reliability of power conversion systems. At Nantong Jiangsen Electronic Technology Co., Ltd., we leverage our extensive technical expertise and innovative capabilities to offer high-performance DC Link capacitors that meet the growing demands of the global power electronics industry.

Key Functions and Technical Advantages of DC Link Capacitors

The core function of a DC Link Capacitor is to stabilize DC bus voltage fluctuations by absorbing pulsating currents generated by inverter switching. Acting as an energy storage unit, it provides essential buffering during sudden load changes, ensuring continuous and stable power transmission. Nantong Jiangsen's DC Link capacitors are engineered for high capacitance, low ESR (Equivalent Series Resistance), long lifespan, and superior temperature characteristics, making them ideal for high-end, demanding applications.

  • Voltage Stabilization: Our capacitors effectively smooth out DC bus voltage fluctuations, ensuring steady operation in power conversion systems.
  • Low ESR: Designed for efficiency, our capacitors minimize energy loss, improving overall system performance.
  • Temperature Resilience: With excellent thermal stability, these capacitors are suitable for environments with fluctuating temperatures, ensuring consistent performance.
  • Long Life and Reliability: Built to last, our capacitors offer extended operational life, even under rigorous conditions, reducing the need for frequent replacements.

Application Areas for DC Link Capacitors

Nantong Jiangsen’s DC Link Capacitors are widely used in various industries that require reliable and efficient power management solutions:

  • New Energy Vehicles (EVs): DC Link capacitors are critical in electric vehicles to stabilize power supply, enhance efficiency, and improve battery performance.
  • Renewable Energy Systems: From wind power to photovoltaic (solar) power generation, our capacitors help manage energy flows efficiently, enabling higher energy yields and system stability.
  • Industrial Automation: Used in industrial power supplies and inverters, our capacitors ensure smooth operations and reduce downtime in automated systems.
  • Rail Transportation and High-Speed Trains: DC Link capacitors provide stable power transmission in electric rail systems, ensuring safety and operational reliability.

Cutting-Edge Manufacturing and Custom Capacitor Solutions

Nantong Jiangsen Electronic Technology covers a production facility of over 78 acres with a highly automated, intelligent production environment. With an initial investment of 160 million yuan and advanced production technology from Germany, Japan, and South Korea, we lead the industry in metallized film and DC Link capacitor manufacturing. Our highly automated processes ensure that each capacitor meets stringent design and quality specifications, resulting in superior product performance.

As a professional DC Link capacitor manufacturer, we understand that different industries have unique requirements. Our experienced R&D team provides customized design solutions to meet specific application needs, whether in electric vehicles, renewable energy, industrial automation, or transportation. Our capacitors are designed to optimize system performance, reduce operating costs, and increase energy efficiency.

Leading Innovation in the DC Link Capacitor Industry

At Nantong Jiangsen, innovation is at the heart of what we do. We continually invest in R&D and collaborate with top universities and research institutions globally to stay at the forefront of DC Link capacitor technology. By incorporating new materials, designing innovative structures, and advancing intelligent manufacturing processes, we develop high-quality capacitors with proprietary technology that lead the market.

Why Choose Nantong Jiangsen’s DC Link Capacitors?

  • Advanced Technology: Our capacitors are manufactured using the latest technology and materials, ensuring high performance in all applications.
  • Custom Solutions: We offer tailored designs to meet the specific needs of various industries, ensuring optimal system performance.
  • Global Expertise: With a presence in major markets worldwide, we provide reliable and high-quality products to customers in automotive, energy, and industrial sectors.

Looking ahead, Nantong Jiangsen Electronic Technology Co., Ltd. is committed to the principles of "quality first, customer first, continuous innovation, and excellence." We aim to further advance the field of DC Link capacitor technology, providing global customers with high-performance, reliable, and efficient power electronic products that drive the future of energy and technology.

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