NEDO announced on June 11, 2015 that it will launch new research in the field of power electronics. There are six research topics in this study. The summary of each topic and the intended trustee are as follows.
1. "Basic research on the main circuit system of new railway vehicles that makes full use of the characteristics of SiC modules"
Verification of the achievability of the new railway vehicle main circuit system using SiC power modules. Also verify the implementation possibilities of the required modules under long-term use. The trustee is the Japan Railway Integrated Technology Research Institute.
2. “Research and development of a Y-shaped power router basic unit using SiC and GaN power elements to realize a variety of power exchange systemsâ€
Designed and trial-produced a "Y-shaped power router basic unit" using SiC and GaN power elements that can be used to construct a power exchange system, and identified practical issues. The trustees are Kyoto Institute of Technology Fibres and Capital University Tokyo.
3. "Research and development of a waste heat recovery system for a power generation electric integrated turbocharger using a new generation of power components"
The purpose is to increase the torque at low speed using an integrated motor-driven turbocharger controlled by an inverter, and to reduce the fuel consumption through the miniaturization of the engine. Using the electric energy obtained from the exhaust gas, a generator motor mounted on the engine is driven to achieve energy saving. The trustee is ACR.
4. "Ultra-high-speed, high-voltage pulsed power supply development for small accelerators"
In order to greatly reduce the size of accelerators that can also be used in advanced medical fields while reducing the cost of use, ultra-high-speed, high-voltage pulsed power supplies are developed using SiC power devices. The consignees are Japan High Energy Accelerator Research Institute and the Pulsed Power Technology Institute.
5. "Research and development of UV-C generating device using small and efficient GaN oscillators"
Developed a small and highly efficient "self-excited microwave oscillator" using GaN, and developed a small, high-density "UV-C generator" that uses microwaves to light up. The trustee is Tokyo Instruments and Plasma Application.
6. “Leading Research on SiC/GaN Power Components MHz Band Switching DC-DC Convertersâ€
To develop "high-frequency low-loss reactors and transformers" with low iron loss and copper loss, and to develop highly efficient, compact, lightweight DC-DC converters that can take advantage of the characteristics of SiC and GaN power devices. The trustees are Shinshu University and Osaka University. (Reporter: Ujinjin)
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