Batteries are a key element in electric vehicles (EVs), and there has been a lot of development in solid-state and other EV battery chemistry. This FAQ will highlight the promising materials that align with solid-state and other EV batteries, making … [Read more...]
How does ac bus-based architecture impact charging infrastructure for EVs?
The ac bus-based architecture for EV charging is a crucial component of the EV infrastructure, enabling the efficient and reliable charging of electric vehicles. This artile will discuss the pros and cons of the architecture and then will dive into a … [Read more...]
How can hardware-in-the-loop support EV drive application testing?
Hardware-in-the-loop (HIL) testing is a sophisticated real-time simulation technique used extensively in developing and validating power electronics systems. It lets engineers test embedded control systems without physical hardware -- reducing risks, … [Read more...]
How can liquid cooling be applied to charging cables during dc fast charging?
Integrating a liquid coolant system into the cable assembly and connector housing of electric vehicle (EV) charging infrastructure moves coolant around the high-current wires and connectors. The liquid coolant circulates through jackets or channels … [Read more...]
Why is compensation required for wireless power transfer during EV charging?
The primary goals of compensation in wireless power transfer (WPT) for electric vehicles (EVs) are to improve power transfer efficiency, reduce reactive power, and ensure stable operation under varying conditions, such as load changes and coil … [Read more...]
Which components are involved in EV charging power management?
Electric vehicle (EV) charging infrastructure consists of several individual power management components. Dc power electronics are the heart of power management, whereas charge controllers assist the dc power electronics in proper control. The role … [Read more...]
What is the role of interconnects in electric vehicle battery systems?
An electric vehicle (EV) battery pack consists of several individual cells connected in series or parallel. This article highlights using interconnects to bind the individual cells and provide electrical, mechanical, and thermal support to the … [Read more...]
How do infotainments and non-safety sensors enhance the EV experience?
This article will discuss how infotainments and non-safety sensors offer a better electric vehicle (EV) driving experience. Despite many ongoing efforts to increase the EV range and safety, enhancing the driving experience is also gaining momentum to … [Read more...]
How does a position lock sensor work during EV charging?
The position lock sensor detects whether the electric vehicle (EV) charging connector is properly locked into place during the charging process. This safety feature prevents accidental disconnection or removal of the charging cable while charging is … [Read more...]
What are the key components and considerations involved in power management for EVs?
Electric vehicles (EVs) have several components that deal exclusively with power management. The components include: A battery pack A battery management system (BMS) Power electronics Electric motors A regenerative braking system … [Read more...]
How does ISO 26262 (Road Vehicles – Functional Safety Standards) apply to EVs?
ISO 26262, titled "Road Vehicles — Functional Safety," is an international standard specifically designed to ensure the functional safety of electrical and electronic systems in road vehicles. The standards have a 12-part risk-based safety assessment … [Read more...]
How does the spacing between EV charging coils affect wireless power transfer?
The gap between an electric vehicle's (EV) transmitter and receiver coils during wireless power transfer (WPT) affects six parameters: Coupling coefficient Mutual inductance Alignment sensitivity Magnetic field strength Resonant … [Read more...]
What are the basic compensation topologies for wireless power transfer in EVs?
Compensation in wireless power transfer (WPT) refers to using additional circuit elements to counteract the reactive power in the charging system. Simple compensation topologies are S or P-type, while basic compensation topologies include SS, SP, PS, … [Read more...]
How does the dc communication protocol operate when charging an EV?
The dc communication protocol between the electric vehicle (EV) and the electric vehicle supply equipment (EVSE) occurs with the support of digital communication. This FAQ will discuss the two types of dc communication for proper EV charging. The … [Read more...]
What is the Open Smart Charging Protocol (OSCP) for EV charging?
The Open Smart Charging Protocol (OSCP) is an open communication protocol that enables the smart charging of electric vehicles (EVs). The primary function of the OSCP is to establish communication between the charge station operator (CSO) and the … [Read more...]
How can reinforcement learning be used for real-time battery power control in EVs?
Real-time control of battery power is a dynamic process where input variables -- such as battery health, state of health (SOC), and other specifications -- vary continuously. This article explains how the reinforcement learning (RL) algorithm can be … [Read more...]