Every EV traction inverter requires a DC link active discharge as a safety-critical function. The discharge circuit is required to discharge the energy in the DC link capacitor under the following conditions and requirements: Power transistor on, off control using the TPSI3050-Q1.
Electric vehicles rely on traction inverters to convert the high-voltage DC energy stored in the vehicle’s batteries to drive the AC traction motors. The traction inverter plays a crucial role in driving the vehicle and needs to be extremely robust and reliable, given the high power switching and the likely high dv/dt transients involved.
Therefore for battery electric vehicles (BEV) and plug-in hybrid vehicles (PHEV) there is the necessity for a high voltage power inverter to drive the electric motors. The inverter acts as the central control unit for the electric motors and enables the power transfer from the HV battery system to the wheels.
Abstract: when an Electrical Vehicle (EV) encounters an accident or the vehicle is taken to a service station, the DC-link capacitor in the inverter must be discharged to ensure safety of both the passengers and the operator.
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This is why new, more powerful devices, like the NXP S32K396 are being used for these types of advanced inverter applications. 3.7. Hybrids While this paper has looked …
Introduction: With the rapid popularization of electric vehicles, their safety issues are increasingly valued by end users and manufacturers. Among the many safety features, …
The inverter acts as the central control unit for the electric motors and enables the power transfer from the HV battery system to the wheels. With this new trend, a complete new …
Electric vehicles rely on traction inverters to convert the high-voltage DC energy stored in the vehicle’s batteries to drive the AC traction motors. The traction inverter plays a crucial role in …
The paper includes a simulation comparison of winding-based discharge with the proposed Hybrid discharge technique. The proposed solution has a higher discharge rate and …
Image used courtesy of Adobe Stock DC Link Discharge Challenges in Inverter High-voltage DC links are central to a wide range of power electronic systems in electric and …
Traction Inverter Overview EV/HEV Traction inverter converts energy stored in a battery to instantaneous multiphase AC power for a traction drive.
With both battery electric vehicles (BEV) or plug-in hybrid electric vehicles (PHEV), transferring the stored energy from the high-voltage (400 / 800 V) battery to the electric motors …
A DC link capacitor is connected between the positive and negative bus terminals of the high voltage DC source in an Inverter circuit. An active discharge circuit is connected …
Abstract New energy electric vehicles will become a rational choice to achieve clean energy alternatives in the transportation field, and the advantages of new energy electric …
According to statistical data from compulsory traffic insurance purchased for passenger vehicles, in 2022, total sales for China passenger vehicles was 19.93 million units, …
Source: Company information. Notes: HV: High Voltage. CO2 savings relate to “tank to wheel” potential vs. pure combustion vehicle based on WLTP (Worldwide Harmonized …
High-voltage Li-ion batteries are commonly used as the energy storage unit to provide the maximum amount of capacity, minimal weight, and highest efficiency. With current …
ABSTRACT This technical white paper explores key system trends, architecture, and technology for traction inverters. The devices and technologies used to enable traction …
Active discharge can effectively reduce voltage in high-voltage systems, particularly in electric or hybrid vehicles, converting energy into …
In addition to energy-eficiency improvements, the incorporation of high voltage makes system wiring less complex and lighter. This in effect lowers the vehicle’s overall …
Electrical characteristics testing of high-voltage components for new energy vehicles With the industry''s demand and emphasis on the quality of in-vehicle controllers, …
With both battery electric vehicles (BEV) or plug-in hybrid electric vehicles (PHEV), transferring the stored energy from the high-voltage …
Gong, Dr Hu, and their collaborators conducted research to investigate the risks linked to high-voltage energy stored in the powertrain …
Electric vehicles rely on traction inverters to convert the high-voltage DC energy stored in the vehicle’s batteries to drive the AC traction motors. …
During the emergency situations, key-OFFs, or maintenance, discharging the inverter dc-bus capacitor voltage within seconds is imperative due to safety concerns (inverter …
Traction Inverter trends Semiconductors contribute to improved energy efficiency, but also to size and weight reduction, to improve the vehicle dynamics
Modern power grids are increasingly integrating sustainable technologies, such as distributed generation and electric vehicles. This evolution poses significant challenges for …
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