탑메뉴
글로벌 네비게이션
NET-ZERO (Sustainable Energy Environment)
AC/DC hybrid transmission Power Conversion System Design Technology
applying Next-generation Power Semiconductors LVDC related technology
(Power Conversion system, measure and management technology)
- Power Conversion system
- A system that converts electrical characteristics (voltage, current, etc.) so that it can be transmitted (grid connection), stored, and used as needed by controlling power generated from various distributed resources such as renewable energy and energy storage devices, AC-DC converter , including DC-AC inverters, DC-DC converters, etc.
- Technical overview
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Technology to improve the stability of the power grid by jointly constructing a direct current (DC) transmission and distribution network that is easy to control power in the existing alternating current (AC) power grid
- Necessity and importance
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(Market) New renewable energy capacity in '18 is increasing every year to 170GW, and the DC transmission and distribution market is also expected to grow to 152 trillion won in '30 (Source : Navigant Research)
(Policy) Expansion of DC transmission and distribution was specified in the 9th Basic Electricity Supply and Demand Plan (Dec. 2020) and the 5th Basic Plan for New and Renewable Energy (Dec. 2020)
- Application
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< AC/DC Hybrid Power Conversion Technology Applications >
Areas Description Train High-capacity power supply system for high-speed rail
In-station charging system for wireless locomotive
Ships All-in-one propulsion system for large ships and all-in-one weapon system for maritime mobiles
Airplane Large aircraft power supply system
- Technical overview
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Design technology of high-power density, high efficiency power conversion system applying next-generation power semiconductors (SiC MOSFET, GaN HEMT) with wide band gap characteristics
- Necessity and importance
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(Market) The global power conversion system (converter/inverter) market size is expected to grow from ＄27.3 million in 2020 to ＄39.7 million in 2027, growing at a CAGR of 5.9%. (Source : 360 Research Reports)
(Policy) The government announced plans to expand the development and production capacity of next-generation power semiconductors (‘21.03). And it is intensively nurturing power semiconductors by operating the power semiconductor commercialization project to create new industries (’17~‘23).
- Application
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< Power conversion system application field using next-generation power semiconductor >
Areas Description Solar·Wind Improvement of conversion efficiency and downsizing of conversion device
Power, UPS Improvement of conversion efficiency and downsizing of conversion device
EV Simplified cooling system and weight reduction of converter
Save energy and improve mileage
Rail Lightweight and miniaturization of power conversion system
Save energy
Robot High frequency operation
expanding operation area
- Technical overview
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Management of low voltage direct current (LVDC) power system in connection with distributed power source(PV, ESS, etc.).
Development and standardization of power devices and power electronics systems for the safety of LVDC customers.
- Necessity and importance
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(Market) The low voltage direct current (LVDC) market scale is expected to reach $29.7 billion in '27, which is similar to that of the high voltage direct current (HVDC) market ($31.6 billion) (Reference: Navigant Research)
(Policy) Promote to achieve 30-35% of renewable energy in electricity generation by 2040 through “Third Energy Master Plan ('19.6)”.
- Application
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< Application field of LVDC technology >
Areas Description Large vessel
(ship)Standalone DC microgrid for fuel saving
Distributed power sources Energy storage system, renewable energy such as photovoltaic and wind turbine, and etc.
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