Power Electronics

Custom design and manufacture of motor control devices, power supplies and converters, and IH (induction heating) equipment

Power Electronics

Custom design and manufacture of motor control devices, power supplies and converters, and IH (induction heating) equipment

Division of Electronic Equipments is contributing to society through our power electronics technology, which is very important for the energy sector. We provide custom development and manufacturing to suit customers’ requests.
技術紹介 Technical introduction Sensor less technology Sensor less technology High Efficiency・Small power supply High Efficiency・Small power supply IH I H
パワーエレクトロニクス

Technical introduction

技術紹介01
ねじアイコンHigh Efficiency

Division of Electronic Equipments contributes own power electronics technology to labor saving, energy saving and labor management saving. Our main feature is high developing technology capacity. It is indispensable for ODM (original design manufacturer) and OEM(original equipment manFufacturer) capacity to meet the customer’s needs-based.

■Adaptive technology
  • Miniaturization technology (water cooling)
  • High frequency drive technology
  • PFC technology
  • Simulation technology
  • MPPT control (maximum power point tracking)
■Applied technologies
  • Various large charging devices
  • Wind-power/Solar-power
  • High Efficiency Inverter / Converter
技術紹介02
ねじアイコンHigh Capacity

Division of Electronic Equipments is good at power electronics technology which put importance on the energy field and we are able to develop and manufacture the products for 200kW class of power electronics.

■Adaptive technology
  • Inverter control technology for 200kW class motors
  • Advanced device application technology(IGBT、SiC etc...)
  • High pressure, large current packaging assembly technology
  • Simulation technology
  • MPPT control (maximum power point tracking)
■Applied technologies
  • Converter for power stations
  • On-board equipment for large construction equipment
  • Emergency power supply for buildings
  • Various interrupters for railway

Sensor less technology

Division of Electronic Equipments is pursuing research into sensorless control in collaboration with Shizuoka University.

ねじアイコンadvantage
  • Enables control of speed with no sensors
  • Only needs connection of the power cable to the motor
  • Reduced number of parts means smaller, lighter, cheaper, and higher reliability.
  • Backup possible after sensor failure
ねじアイコンPatent
  • Ref document number:5534991 「Control device for a synchronous motor」
  • Ref document number:5798513 「And apparatus for detecting an initial magnetic pole position of the permanent magnet synchronous motor, and a permanent magnet synchronous motor control device 」
  • Ref document number:6397734 「The control device of the DC motor」
ねじアイコンPapers presented at The Institute of Electrical Engineers of Japan 「Experimental Validation of the Performance of Sensorless Control of Permanent-Magnet Motors Using MRAS」 (2010 Institute of Electrical Engineers of Japan, Industrial Applications Society Conference, 1-71) 「Sensorless Control of Permanent Magnet Motors Based on Model Reference Adaptive Systems」 (2010 Institute of Electrical Engineers of Japan, Industrial Applications Society Conference,4-107) 「Improvement of Performance of a Permanent Magnet Synchronous Motor Sensorless Control System with Winding Resistance Identifier 」 (2011 Institute of Electrical Engineers of Japan, Industrial Applications Society Conference,4-095) 「Performance Improvement Using the Effects and Identification of Winding Resistance Fluctuation in Sensorless Control of Permanent Magnet Synchronous Motors」 (2011 IEE-Japan Industry Applications Society Conference,1-195) 「Estimation of Internal Permanent Magnet Synchronous Motor Initial Rotor Position Based on a Model Reference Adaptive System」 (2012 Institute of Electrical Engineers of Japan, Industrial Applications Society Conference,4-112) 「Sensorless Control of Rotor Position in an Internal Permanent Magnet Synchronous Motor Using a Model Reference Adaptive System」 (2012 IEE-Japan Industry Applications Society Conference,3-61) 「Characteristic Analysis of Back EMF Variation and Rotor Position Estimation Error in Rotor Position Sensorless Control System with Winding Resistance Identifier of Permanent Magnet Synchronous Motor」 (2013 The transactions of the Institute of Electrical Engineers of Japan. D, Vol. 133, No.8) 「Improvement of the Characteristics of Estimation of Internal Permanent Magnet Synchronous Motor Initial Rotor Position by Switching Identification Algorithms 」 (2013 Tokai-Section Joint Conference of the Seven Institutes of Electrical and Related Engineers,C5-6)「LMI Approach to Stability Analysys of Sensorless Control System of Permanent Magnet Synchronous Motor Based on Model Reference Adaptive System」(2015 Institute of Electrical Engineers of Japan, Industrial Applications Society Conference, 4-037)

High Efficiency・Small power supply

Division of Electronic Equipment conducts research on high-efficiency and small power supplies based on proprietary technologies.

ねじアイコンadvantage
  • High efficiency and miniaturization by SiC device adoption
  • Variable output voltage(10-100V)
  • High output current
ねじアイコンAdaptive technology
  • Software-Control technology
  • Circuit design・Thermal design・Mechanical design・Noise resistant technology
  • Noise reduction
  • Simulation technology
High Efficiency・Small power supply03

IH

The Electronic Equipment Division’s IH technology is playing a role in healthcare.

電磁誘導加熱01
ねじアイコンadvantage
  • Ecological Food Cart
  • Can be heated at pinpoint
  • Set change in the heating time is possible
ねじアイコンAdaptive technology
  • Inverters Control Technology
  • Converter Technology( FET、IGBT drive)
  • Resonant Control Technology(Power、Current)
  • Electromagnetic coils are designed
  • Noise suppression technology
  • Hardware and software of micro-computer technology
  • wireless communications

Comparison-power consumption

電磁誘導加熱02
電磁誘導加熱03

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