CFP-1260
Electrochemical Impedance Spectroscopy (EIS) is a method used for estimating battery states (SoX) through the measurement of battery impedance, allowing rapid and accurate monitoring of Li-ion batteries (LIBs). Safe operation of LIBs is critical to optimizing battery performance across all application use cases. The practical application of EIS, on both Electric Vehicles (EVs) and Battery […]
CFP-1259
Electrical Short Circuit and Ground Loss Challenges in 48V Mixed Systems The automotive industry is undergoing a significant transformation, shifting from the traditional 12V electrical standard (as defined by ISO 16750-2) toward mixed 48V/12V systems. This evolution is driven by the need for greater energy efficiency, reduced cable weight, and minimized current losses in modern […]
CFP-1258
Introduction: As 48V battery electric vehicles (BEV) are being introduced to the market, many global carmakers are considering the transition from 12V to 48V within their automotive systems. As 48V was previously only used to improve efficiency in mild hybrid vehicles, there are challenges to implementing a 48V low-voltage architecture in BEV, hybrid electric vehicles […]
CFP-1257
Abstract— This paper describes a novel method for verifying the filter design of high voltage components. Current approaches rely on dedicated component tests and neglect the interaction of the overall high voltage system. Through a holistic system simulation, it is possible to identify resonance points for the single components depending on their physical location within […]
CFP-1273
The proposed presentation by VALEO focuses on the Si/SiC hybrid switch as a cost-effective, interim solution for electric vehicle (EV) traction inverters, designed to balance the high efficiency of Silicon Carbide (SiC) MOSFETs with the low cost of traditional Silicon (Si) IGBTs. This unique approach, which parallels a small SiC MOSFET with a larger Si […]
CFP-1256
A fault tolerant energy supply is a fundamental prerequisite for automated driving. The in-creasing variety and complexity of modern drivetrains and vehicle architectures require flex-ible and efficient methods for the development of the electrical power supply system in the early phase. This contribution introduces an approach in which detailed Modelica models of the power supply […]
CFP-1272
This paper examines the challenges and solutions associated with charging high-voltage electric vehicles (EVs) using lower-voltage charging infrastructure. As the automotive industry transitions towards higher voltage systems operating at 800-1000V for improved efficiency and performance, compatibility with existing charging infrastructure operating at 400-500V becomes a critical consideration. We analyze three primary charging modes: Bank/String Switch, […]
CFP-1255
October 09, 2025 – Electric mobility is a key component on the road to decarbonisation. With its focus on local CO₂-free driving, intelligent charging and holistic resource conservation, Mercedes-Benz is making the case for sustainable innovation with its ELF experimental charging vehicle. ELF is a nickname derived from the German term Experimental-Lade-Fahrzeug – which translates […]
CFP-1271
The zonal architecture is a key bridge to transitioning light duty vehicles from the current 12V technology base to the future 48V state. OEMs and Tier 1’s face challenges in developing zonal power converters which are electrically efficient, bidirectional, compact, and are capable of effectively powering large loads with instant power draws. Some of today’s […]
CFP-1254
EV components are exposed to a variety of influences during operation. And often they must also be protected against contamination and moisture. These tightness requirements are described, for example, in the definition of IP protection classes (IP = International Protection). IP protection class tests are type tests. In these tests, prototypes or samples are tested […]
