The electric vehicle (EV) industry made steady progress in 2024, marked by advancements in core technologies like batteries, charging systems, and power management. From the announcement of 10-minute fast-charging batteries to the rollout of … [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...]
How is HIL testing used for onboard EV chargers?
Hardware-in-the-loop (HIL) testing is a real-time simulation that enables designers to test embedded code for EV chargers without needing the actual system hardware. It speeds development efforts and reduces development costs. This article begins … [Read more...]
Using EVs to drive decarbonization: It’s not just about the vehicles
As the world becomes more sustainable and electrified, companies and individuals seek ways to reduce their environmental impact. One critical approach is the use of electric vehicles (EVs). EV technology has improved drastically over the last decade, … [Read more...]
What are the basics of wireless energy transfer for EVs?
An electric vehicle (EV) can be conveniently charged while parked over a wireless charger without plugging in a cable. It’s also possible to dynamically charge while driving if the vehicle has a wireless electric road system. Wireless power … [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...]
What is the back-end protocol in a vehicle-to-grid (V2G) EV ecosystem?
A back-end protocol refers to communication standards and protocols for enabling connectivity between an electric vehicle (EV) charging station and the central management system (CMS). We previously discussed front-end protocols between the EV and … [Read more...]
How is a dc-based architecture useful for EV charging infrastructure?
This article introduces dc-based architecture and discusses its advantages and disadvantages for EV charging infrastructure. A case study is also presented at the end on the effect of this architecture on the total harmonic distortion of the power … [Read more...]
What is the IEC 61851-1 standard for EV charging?
IEC 61851-1 is an international standard that specifies the general requirements and testing methods for electric vehicle (EV) charging systems. The full title of the standard is "IEC 61851-1 Electric vehicle conductive charging system - Part 1: … [Read more...]
What is required to install an EV charger at home?
In many cases, it's possible to perform a do-it-yourself (DIY) installation of a Level 1 electric vehicle (EV) charger at home. However, installing a Level 2 EV charger is more challenging, and Level 3 fast chargers are not designed for installation … [Read more...]
How does the front-end protocol support V2G charging?
A front-end protocol in electric vehicle (EV) charging focuses on the communication between the vehicle and the charging station. The protocol ensures safe and efficient charging, manages data exchange for controlling the charging process, and … [Read more...]
How to optimize fleet charging and EV depots for the grid
As the electric vehicle (EV) market grows, it highlights a critical concern — the potential stress on our utility distribution grids. While utilities have historically navigated shifts in demand, the surge in EV charging presents a unique challenge: … [Read more...]
What is the Open Charge Point Protocol (OCPP) in EV charging?
Electric vehicle (EV) adoption is rising worldwide, making an efficient, scalable, and universally compatible charging infrastructure essential. The Open Charge Point Protocol (OCPP) provides an open-source framework for simple charging operations … [Read more...]
Why is Wi-Fi 802.11n the preferred wireless charging standard for EV charging?
IEEE Wi-Fi 802.11n is the technology selected for wireless communication for EV charging in Part 8 of the ISO 15118 standard. This article explains why Wi-Fi 802.11n is the preferred wireless network protocol for wireless charging of EVs. We also … [Read more...]