The basic layout of the Hyundai Motor Group (HMG) includes several different features of the E-GMP (Electric Global Modular Platform) system that will help the built vehicle achieve a range of 300 miles in the WLTP (Worldwide Harmonized Light Vehicles Test Procedure) test cycle.
E-GMP is one of the first BEV platforms derived from an established automaker to use silicon carbide for power electronics. Silicon carbide provides an efficient energy conversion that achieves a remarkable range increase compared to conventional silicon used in most common BEVs.
One of the biggest advantages Tesla has had in recent years is that both the Tesla Model S and Model X use silicon carbide for the electronic switches that switch the direct current from the battery to the alternating current of the motors.
Due to its higher efficiency, silicon carbide will also be used in other applications in the future in addition to electric cars. Cree is a new factory in Marcy, NY that is expected to produce ICs and power semiconductors on 200mm wafers, which will reduce costs compared to the old 150mm wafer line.
By 2030, we expect ICs to be commercially viable compared to IGBTs and used in a wide range of electric vehicles, including inner cities and low-range two-seaters. As electric cars become more widespread, prices fall, and range increases. Consumer demand for electric vehicles with ranges comparable to those of internal combustion engines is outstripping the technology itself at affordable prices.
Efficient drive systems with semiconductor technologies such as silicon carbide (SIC) enable engineers to achieve high voltage requirements cost-effectively.
Recent developments in hybrid electric vehicles (HEV) and all-electric vehicles (EV) have accelerated innovation and improved efficiency in electric motor control, energy conversion, and battery management systems. Given the expected increase in global energy demand, the performance of semiconductor devices used in a wide range of social infrastructure products will require higher efficiency and improved energy efficiency to enable the creation of a decarbonized society.
Inverters, power electronics, and suitable drive systems, for example, contribute to the optimal use of available energy. Under these conditions, improved performance of SIC (silicon carbide) power equipment offers advantages in industrial sectors including offshore wind power, which is listed in the Clean Growth 2050 strategy of the Ministry of Economy, Trade, and Industry, carbon neutrality, next-generation solar energy, logistics, public transport such as rail and automotive, storage batteries, telecommunications and seagoing.
These improvements will lead to energy savings for inverters and converter systems that manage electricity generation, transmission, and conversion into electrification and make them more efficient, smaller, lighter, simplified, and heat-resistant.
For electrical applications, low-power applications such as battery chargers, additional DC-to-DC converters, and semiconductor circuit breakers (e.g. In-propulsion systems), battery energy can be converted into the three-phase current for the motors.
In 2007 Vitesco Technologies started developing the powertrain for the first generation Renault Zoe with advanced HV propulsion technology. The company was the first supplier to bring an all-electric high-voltage axle drive with integrated power electronics and reducers into series production by the end of 2019. This was the result of twelve years of development of high voltage technology. Drive and drive developers are hesitant to use SIC technology, preferring to wait for it to achieve lower resistance, better robustness, and easier application.
Vitesco Technologies has developed an inverter based on the latest silicon carbide technology to improve the efficiency and range of the electric powertrain. Upon its arrival, STMicroelectronics entered into a partnership with the electromobility sector.
According to an accompanying statement, the core of the strategic cooperation with Renault is the development, manufacture, and supply of semiconductor manufacturers of ST microelectronics products and related packaging solutions for power electronics for the Renault Group electric vehicles.
With the help of Swiss semiconductor specialists, the Renault Group wants to achieve greater range, lower battery costs, and improvements in the charging process. A team of NC students designed a solar car that focused on practicality, performance, and energy efficiency. NC State researchers collaborated with the Facility Division and used up-to-date energy data from the university’s Centennial Campus.
At the heart of this monumental shift are the high-performance semiconductors themselves, which are undergoing deep changes as the industry begins to orchestrate the transition from silicon carbide (SIC) to silicon. Researchers are developing new manufacturing processes and chip designs for devices powered by silicon carbide to regulate the performance of the technology used in electronics.
The electric motor that rotates the wheel of the electric vehicle is powered by six silicon-insulated gate bipolar transistors ( IGBTS ) that are used to control a technique known as pulse width modulation (PWM ).
In replacing the six silicon-insulated gate bipolar transistors (IGBTs), silicon carbide (SIC) can save energy, improve battery life, reduce the heat management system’s size and weight, and further extend the range of electric vehicles. Test results indicate that polymer Li-ion battery technology at a discharge rate with minimal energy loss has a performance level of 10C1 compared to 1 h at a discharge rate of 1C. Silicon carbide becomes even more advantageous due to its switching speed and recovery properties.
Test results have shown that Li-ion battery technology can work with iron phosphate up to the discharge rate of 10C1 with minimal energy losses, compared to the discharge rate of 1 hour at 1C. This work aims to evaluate the performance of polymer Li-ion battery technology in utility applications that require frequent charging and discharging such as power support, frequency regulation of wind farms, and energy smoothing.
The overarching theme is the concept of combining application advantages with attractive values, including the use in energy storage, including decentralized and modular systems. In addition to identifying possible obstacles to the re-use of electric batteries and the necessary steps to prepare for the use of electric vehicles with electric batteries, a second application must be considered.
LLEW Vaughan-Edmunds points out that silicon carbide is used to power electric vehicles by reducing weight, maximizing battery life, and reducing energy consumption. Infineon’s Peter Friedrich points to three areas that have the greatest impact on the reliability of silicon carbide devices and how they can be measured. Lam researcher Terry Powell believes it is important to reduce the consumption of helium in semiconductor manufacturing, but the associated challenges.
Building on Cree’s in-depth expertise in LED manufacturing, the company has developed warm white LEDs with an immediate room-temperature efficiency of 135 LM-W / 3500K and 90% CRI without compromising color quality or effectiveness compared to their conventional counterparts.
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