Page 19 - PEN eBook February 2024

AUTOMOTIVE AUTOMOTIVE

the public, it must provide a card payment, when new functionalities come along can
and that will carry its own set of security become a challenge, as we need to operate
requirements. without having to remove the charging station,
which would be very expensive.
▶ Cloud onboarding. If we’re installing a charger,
it will likely be connected to a network and ▶ Artificial intelligence and machine learning.
maybe to a back end so that the customer or This involves the ability for charging stations to
the operator can gain access to the EV charger decide on the edge and not having to send all
and interact with its behavior. That access of the information to a back end, which takes
needs to be granted in a very secure way time and could be expensive. Making decisions
through cloud onboarding. at the edge is becoming more and more
common.
▶ Scalability. Scaling performance and capability
▶ Availability and reliability. We

Optimize the electrification properties need to make sure that the
devices and the technology
of your EV power electronics that we are designing today are
& electric propulsion systems going to be available to us for
several years.

Addressing the THE ISO 5118 STANDARD

The evolution of the standards
Challenges of EV applicable to EV charging is summarized
in Figure 1. In the beginning, there
was just simple AC charging, with
Charging Station Design monodirectional communication. This
system was later enhanced with the
Japanese CHAdeMO standard, which
introduced DC charging for the first
By Stefano Lovati, contributing writer for Power Electronics News Achieve near-perfect magnetic circuits • GFCI’s used time. It also gave us the ability to take
with our tape wound toroidal & cut in Electric energy from the car battery and put it
back into the home (V2G capability with
The swift and widespread acceptance of electric ▶ Accuracy. When we measure the energy cores, specifi cally designed to: Vehicles, bidirectional power transfer).
vehicles in recent times has resulted in a significant that flows from the grid into the vehicle, we • Outperform transformer laminations, • Inductors,
and fundamental change in the automotive industry, need high accuracy. This also involves other • Minimize electrical losses, converters & The DIN SPEC 70121 standard, released
signaling a more environmentally friendly and enduring relevant aspects, such as legislation, load • Reduce component size & weight, inverters in 2014, covered only the DC charging
future for transportation. Nevertheless, the increased balancing from the grid and latency. Some of • Increase power density, We utilize the aspects. That was quickly followed
popularity of EVs has revealed a range of difficulties the new microgrid markets are enabling energy most advanced up by the first version of ISO 15118,
in the design and implementation of EV charging exchange (V2G/H), and therefore, we must • Maximize performance grades of which covers both AC and DC charging
characteristics
stations. Tackling these difficulties is crucial to also think about traceability. Finally, we want soft magnetic and introduced security. Moreover,
materials, provide
guaranteeing the smooth incorporation of EVs into our to give customers who recharge their vehicles Our cores deliver the essential materials, provide ISO 15118 supports Plug & Charge, a

everyday routines. maximum flexibility with the energy supplier. magnetic properties and effi ciencies short turnaround mechanism that relies on certificates
required for: times, and off er and authentication to begin the charging
This article will focus on the primary design ▶ Security. In EV charging, the need for security • Transformers that power EV both standard process without the need for credit
problems and solutions related to EV charging station is ever increasing. This demand has led to the Charging Stations, and custom cores. cards or other forms of payment.
design, as discussed in the session “NXP Enablement formulation of specific standards, such as • Transformers that control & Contact us today to discuss which ISO 15118-2 is the most commonly used
for Electric Vehicle Charging,” by Mark Swinburn, EV ISO/IEC 15118. Security becomes paramount monitor AC induction & DC motor magnetic materials and core designs standard today.
charging vertical manager at NXP Semiconductors, as we scale the installations of EV chargers. If performance, will give you EV components with
at the recent Fortronic 2023 event. These challenges a single EV charger is exposed and hacked, it • Power supplies that charge EV maximum electrifi cation properties. ISO 15118-20 is the standard’s latest
include ensuring adherence to the relevant standards, cannot be considered a problem. However, if battery packs, generation. Built upon what we had
such as ISO/IEC 15118. we have hundreds of thousands of charges and 75+ YEARS before in ISO 15118-2, it adds more
someone can gain access to them, there might OF CUSTOMER layers of stronger security, provision
SERVICE
KEY DESIGN CHALLENGES be potential issues with the grid. That would for wireless charging and bidirectional
As Swinburn pointed out in his talk, there are six become critical to a nation’s infrastructure. Phone: (856) 964-7842 Fax: (856) 365-8723 charging capability. Finally, we have the
challenges with EV supply equipment (EVSE) design: Moreover, if the EV charger is accessible to www.magneticmetals.com © 2024 Magnetic Metals Corp. automated connection device. It looks

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