IGBT-Wandler

Insulated-Gate Bipolar Transistor (IGBT) technology provides High Efficiency, significant reduction in Harmonic Distortion (THDi) and can improve the Power Factor to near unity without the use of auxiliary components.

Yonder ofers IGBT-based converters across Active Front End, Active Front End with DC-DC Chopper and DC-DC technology. For kW-scale projects, we also offer SiC-based bidirectional convertors

AC-DC Rectifier
(Active Front End Technology)

Yonder Active Front-End (AFE) converter is designed to convert AC to DC using IGBT technology which employs higher frequency switching. AFE topology reduces harmonic distortion and allows bidirectional power exchange between AC and DC allowing regenerated  power to be fed back to the supply (if needed). With already integrated filters, the module will provide smooth DC Voltage to the electrolyser with near unity Power Factor which will ensure minimum electricity consumption.

AC-DC Rectifier
(Active Front-End + Phase Shift Modulation Technology)

Ador offers a two-stage converter system employing a combination of Active Front End (AFE) and Phase Shift Modulation (PSM) technology. The AFE module converts the AC to constant DC voltage and with PSM technology, the constant DC voltage is converted to desired lower DC voltage.

In AFE stage the harmonics is significantly reduced while maintaining near unity power factor without additional harmonic filters and power correction circuitry. In DC-DC stage, the interleaved PSM technology provides a significant reduction in the output ripple.

DC-DC Rectifier
(Phase Shift Modulation Technology)

Ador DC-DC Converter is designed to convert constant DC to variable DC using high frequency IGBT switching. Phase Shift Modulation (PSM) topology is used to operate the DC-DC converter, which offers reduction in the size of output filters.

This system is operated as connections of buck converters operated in parallel. This technology is ideal for direct solar to electrolyser connections. With already integrated filters, the module will provide DC Voltage with minimum ripple which will ensure the smooth operation of hydrogen electrolysers.

30-kW SiC (Silicon Carbide) Based Converters

The silicon carbide (SiC) based semiconductor devices give better performance in terms of higher temperature operation and can be switched using higher frequency, which reduces the overall size of unit.

In SiC technology, Yonder offers

AC-DC

AC-DC converter is a two-stage converter system. In AC-DC module, first stage AFE is used, giving lower harmonics and almost unity power factor. In second stage based DC-DC converter is used to provide low ripple DC output as per customer requirement.

DC-DC

The DC-DC module uses a two-stage conversion system. In the first stage, variable DC is converted to higher fixed DC voltage. In the second stage, the fixed DC voltage is converted to low ripple DC as per specification. For solar to electrolyser DC-DC operations, built-in MPPT functions of the module will transfer maximum power throughout the day.

Yonderh2’s IGBT rectifiers are designed for versatility and resilience. Featuring high-frequency switching, these rectifiers minimize power losses while maximizing output stability. Their modular structure allows seamless integration into various setups, from renewable energy systems to high-power industrial applications. 

Furthermore, IGBT rectifiers are known for their excellent voltage handling and dynamic control capabilities. Whether it’s accommodating fluctuating loads or maintaining efficiency under

IGBT rectifiers, or Insulated Gate Bipolar Transistor rectifiers, are advanced power conversion devices that efficiently transform alternating current (AC) into direct current (DC). Combining the high-speed switching capabilities of MOSFETs with the high-voltage handling of bipolar transistors, IGBT rectifiers offer precise control over voltage and current. This makes them particularly suitable for applications requiring stable and efficient DC power, such as in renewable energy systems and industrial processes.
 
In the realm of green hydrogen production, IGBT rectifiers play a crucial role by supplying consistent DC power to electrolyzers. Their ability to handle variable loads and respond swiftly to changes in power demand ensures optimal performance of the electrolysis process. Moreover, IGBT rectifiers contribute to improved power quality and reduced harmonic distortion, which are essential for maintaining grid stability and meeting stringent regulatory standards.
 
Compared to traditional thyristor-based rectifiers, IGBT rectifiers offer several advantages. They provide better efficiency, reduced size and weight, and enhanced control over the output voltage and current. These features result in lower operational costs and increased reliability, making IGBT rectifiers a preferred choice for modern power conversion needs.
The integration of IGBT rectifiers in renewable energy applications, such as wind and solar power systems, has been instrumental in advancing the adoption of clean energy technologies. Their compatibility with variable power inputs and ability to maintain consistent output make them ideal for supporting the intermittent nature of renewable energy sources. This synergy enhances the overall efficiency and sustainability of power generation systems.
 
As the demand for efficient and reliable power conversion continues to grow, IGBT rectifiers are poised to play an increasingly significant role in various industries. Their advanced features and adaptability make them a cornerstone in the transition toward more sustainable and resilient energy infrastructures.

Reliable Power with Yonderh2 IGBT Rectifiers

Yonderh2’s IGBT rectifiers are engineered to deliver superior power efficiency and performance for industrial applications. Utilizing advanced DC-DC technology, these rectifiers ensure minimal harmonic distortion and maximize energy savings. Whether for renewable energy systems, electrolysis, or other high-power applications, Yonderh2’s IGBT rectifiers provide stable and reliable output, optimizing operational efficiency.

Designed for durability and precision, Yonderh2’s IGBT rectifiers and silicon-controlled rectifiers (SCRs) enhance system performance with cutting-edge semiconductor technology. Their high-frequency switching capabilities and controlled rectification processes ensure efficient power conversion. Additionally, their high voltage handling capacity allows seamless integration into demanding applications.

With AC voltage optimization, these rectifiers minimize energy loss and enhance overall efficiency. Their high switching frequency, low power loss, and compact design make them ideal for modern power conversion needs. By integrating IGBT rectifiers and SCRs, businesses can achieve enhanced energy management, reduced operational costs, and long-term reliability in demanding environments.

Yonderh2’s IGBT rectifiers are particularly beneficial in green hydrogen production. They offer higher efficiency compared to traditional thyristor-based systems, reducing energy losses and operational costs. Their dynamic control and flexibility accommodate fluctuations in renewable energy sources like solar and wind, ensuring a stable and optimized power supply to electrolyzers.

Future-Proofing Power Systems 

As industries push for greener, more sustainable energy solutions, IGBT rectifiers will play a crucial role in minimizing carbon footprints while enhancing operational efficiency. Yonderh2 is committed to advancing IGBT technology to meet the demands of modern power systems, offering solutions that are not only efficient but also reliable and adaptable. 

Investing in Yonderh2’s IGBT rectifiers means preparing your infrastructure for a future where power quality and efficiency are paramount. Stay ahead with innovative, high-performance rectification solutions tailored for the modern age. 

The compact and modular design of Yonderh2’s IGBT rectifiers reduces the footprint of power conversion systems, making them suitable for large-scale hydrogen production facilities. Their reliability and lower maintenance requirements further contribute to reduced operational downtime and long-term cost savings.

In addition to green hydrogen production, Yonderh2’s IGBT rectifiers are versatile and can be employed in various applications, including:

  • Alkaline Electrolyzers: Enhancing efficiency in hydrogen production with stable DC output.

  • PEM Electrolyzers: Providing precise power control required for optimal performance.

  • Renewable Energy Systems: Converting variable AC from renewable sources to stable DC.

  • Industrial Equipment: Supplying reliable DC power for motors, drives, and electroplating processes.

Yonderh2’s commitment to innovation and sustainability positions their IGBT rectifiers as a cornerstone in the transition to cleaner energy solutions. By delivering higher efficiency, better power quality, and dynamic control, Yonderh2’s IGBT rectifiers support the global push toward decarbonization and a sustainable energy future.

Real-World Applications

IGBT rectifiers from Yonderh2 find applications in a diverse array of industries, including: 

  • Green Hydrogen Production: High efficiency and stable DC output optimize electrolyzer performance. 
  • Renewable Energy Systems: Efficiently convert variable AC from wind and solar into stable DC. 
  • Industrial Drives and Motors: Maintain consistent power for machinery, reducing operational disruptions. 
  • Electric Vehicle Charging: High-speed switching and power factor correction ensure rapid, efficient charging. 

Frequently Asked Questions

What is an IGBT Converter?

An Insulated-Gate Bipolar Transistor (IGBT) Converter is a power electronic device that efficiently converts AC to DC power. It offers high efficiency, significantly reduces harmonic distortion (THDi), and can improve the power factor to near unity without the need for auxiliary components.

What types of IGBT-based converters does Yonderh2 offer?

Yonderh2 provides a range of IGBT-based converters, including:

  • AC-DC Rectifier (Active Front End Technology): Converts AC to DC using high-frequency switching, reducing harmonic distortion and allowing bidirectional power exchange.
  • AC-DC Rectifier (Active Front-End + Phase Shift Modulation Technology): A two-stage system that first converts AC to constant DC and then to the desired lower DC voltage, maintaining near unity power factor and reducing output ripple.
  • DC-DC Rectifier (Phase Shift Modulation Technology): Converts constant DC to variable DC with minimal ripple, ideal for direct solar to electrolyser connections.
  • 30-kW SiC (Silicon Carbide) Based Converters: Offers higher temperature operation and reduced unit size due to higher frequency switching capabilities.
How does the Active Front-End (AFE) Technology benefit hydrogen production?

AFE technology reduces harmonic distortion and maintains a near unity power factor without additional harmonic filters or power correction circuitry. This ensures smooth DC voltage supply to electrolysers, minimizing electricity consumption during hydrogen production.

What advantages do SiC-based converters offer over traditional converters?

Silicon Carbide (SiC) based converters operate at higher temperatures and can be switched at higher frequencies, resulting in a more compact unit size. They provide improved performance and efficiency in power conversion applications.

Are Yonderh2's IGBT converters suitable for renewable energy applications?

Yes, Yonderh2’s IGBT converters are designed for various applications, including renewable energy systems. For instance, the DC-DC rectifier with Phase Shift Modulation Technology is ideal for direct solar to electrolyser connections, ensuring efficient power conversion with minimal ripple.

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