• Product overview High-efficiency air-heating heater for heating passenger space in electric vehicles, heating chain • Development background Since electric vehicles do not have combustion engines, a separate heating device is required for heating. • Development Goal Development of 5.5KW calorific value, ES and MS standards • Development status PTC heater mechanism patent (2 applications), PTC heater circuit patent (1 applications)

• Product overviewEnergy efficiency by changing the rectifier of the Alternator, the automobile power supply, from the existing diode to the Mosfet • Development backgroundTo respond to high-efficiency demand from automakers. Diode rectifier changed to mosfet to increase efficiency. • Development GoalAim for 80% or more of alternator efficiency(existing product is 70%)

• Product overviewA heating device that heats the cooling water using the high voltage of the electric vehicle and supplies hot water to the radiator and battery to maintain the room and the battery at the proper temperature. • Development background Develop water-heated heaters that replace electric cars without combustion engines • Development GoalDevelop products that meet 6kW performance and meet ES and MS standards by pursuing high voltage and high current safety design • Development status2kW Mock-up sample production and basic performance evaluation, Started development of 6kW

• Product overviewA product that controls the operation of heating and air conditioning systems, a system that automatically operates and controls relays and actuators by calculating and processing the control unit according to information from various sensors.
1) When the passenger sets the desired temperature, the indoor temperature is automatically kept constant for internal and external temperature and humidity.
2) Maintain controls such as air intake, wind outlet, harmful gas blocking control, airflow speed, indoor air cleanliness, and compressor ON/OFF

• Product overview엔진 냉각팬 모터 및 공조 블로워 모터의 BLDC 타입의 모터 제어기 • Development background차세대 BLDC 모터 제어를 위한 PWM.
벡터 제어를 통해 기존 DC 모터 타입 대비 높은 내구성 및 전자파 방사 노이즈 저감 능력을 확보한 저소음/고효율 제품을 개발 中 • Development Goal최대 600W 급 모터 제어 가능, Soft Start 기능 구현, 제품 및 차량 보호를 위한 Fail Safety 기능 구현 • Development status - H/W 및 S/W 설계 완료. 1차 시제품 제작 및 성능 평가 완료
- 설계 품질 확보를 위한 Proto 사양 제품 개발 中

• Product overview - Water heater for preheating battery of electric vehicle
- Max heating ability : 2.0kW / 4.0kW
- Withstand voltage : 4000V or more
- Water temperature sensor(Operating range : -40℃~ 150℃) : Provides R/T characteristic that can control coolant temperature to BMS through sensor
- Thermal Fuse : Safety device to prevent fire hazard during incomplete operation. Prevention of accident by short circuit of fuse when heater pipe is overheated due to lack of coolant • Development backgroundTo secure economic feasibility for the existing heater (PTC/induction) method. • Development Goal Reduced weight and cost compared to competitors Increased compatibility • Development status - Mock-up sample production and basic performance evaluation
- Proto mold production and event response progress

• Product overviewIt operates by receiving a signal from EMS according to the engine load and air conditioner load. Finally, by controlling the average voltage supplied to the COOLING FAN MOTOR, the number of revolutions of the fan motor can be changed to improve fuel economy. • Development backgroundCurrently applied to more than mid-sized cars, and is being developed as an economic type to expand and apply less than mid-sized cars • Development Goal20% reduction in weight and size compared to existing products. Satisfy all electrical performance of existing products. • Development status - Mock-up sample production and basic performance evaluation completed
- Design Validation test in progress