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KEMET FERRITE PLATES
Today, electric vehicles are becoming increasingly popular. Electric motors are gradually replacing traditional internal combustion engines, and in the future we will see more and more electric vehicles on the streets.

The reasons for such a development of electric drives include legislative changes in many countries around the world, which set increasingly restrictive limits on greenhouse gas emissions of internal combustion engine vehicles. Additionally, there is a growing awareness of the need to care for the environment and combat climate change.

KEMET ferrite plates in TME's offer

The main disadvantage of electric vehicles is their short range, while the development of this industry is hindered by technological limitations. Traditionally, electric cars are charged using a cable that needs to be plugged into a suitable socket in the vehicle. Long charging times can be discouraging, especially during bad weather. The answer to these challenges is the wireless charging system, which develops more and more dynamically around the world.

The wireless charging system uses the electromagnetic induction. An alternating current is passed through the transmitter coil. This produces an alternating magnetic field around the coil. After placing the second (receiver) coil within a short distance, you can observe the electromagnetic induction in the receiver coil, and when the circuit is closed, a current will flow through it and it will be possible to charge the battery. An air gap transformer works on a similar principle.

Easy charging of electric cars

Inductive charging of electric vehicles, from the driver's point of view, involves driving the car to the charging station. This keeps the coils as close as possible. The battery will start charging without the need for a bulky cable as with the traditional method. To illustrate the principle of this system even better, you can use a comparison with wireless smartphone charging, which has become more and more popular in recent years. When charging the phone, we place the device on the induction plate. The process is exactly the same with vehicle charging, the only difference being that the scale is larger.

Better charging efficiency of electric vehicles

Designers of wireless charging systems pay the most attention to charging efficiency. Therefore, newer and newer plates, made of sintered metal oxides to help achieve the highest possible efficiency, are being developed to increase the efficiency of wireless charging. In traditional solutions, the charging device is based on a metal housing, which unfortunately absorbs the magnetic field and significantly reduces the efficiency of the entire system. The solution is ferrite plates made by KEMET. The plate is placed between the coil of the charging device and the metal housing, thus greatly increasing the efficiency of energy transmission.

Analysing the dependence of energy losses on ambient temperature, it can be stated that conventional materials (blue curve) have lowest losses at temperatures around 100°C. In contrast, the highest losses occur around room temperature. What distinguishes KEMET ferrite plates is the fact that the energy loss characteristics (red curve) are much more favourable. The energy transmission efficiency is similar both at near room temperature and at 100°C. This property allows the plates to be used effectively in both cold climates, such as Alaska or Scandinavia, and warm climates, such as Hawaii.

Proper selection of ferrite plates

KEMET ferrite plates have standardised dimensions of 100x100 mm. However, we can choose the plate thickness. The range includes 4, 6, 8, 10, and 12mm thick plates. The thickness of the plate affects the weight of the device - the thicker the plate, the greater its weight. The plates operate at power levels of 3.7 kW, 7.7 kW, or even 11 kW. In addition, KEMET offers plates with non-standard dimensions, according to the customer's needs.

When choosing the right plate, designers should pay special attention to selecting the right thickness of the ferrite plate. Choosing a plate that is too thin will compromise the properties and performance of the wireless charging system.

Ferrite plates will find application in the automotive and industry sectors and in wireless charging systems.

If you are interested in wireless vehicle charging systems using KEMET ferrite plates, please contact our advisors who will help you choose the right product.


GAMING, COMPUTER ACCESSORIES AND OTHER RELATED PRODUCTS
Long gone are the days when gamers had to make do with a worn, dusty PC, whose case was held together by four different screws and a piece of string. Nowadays, computer fiends go for high-performance hardware and flashy computer stations.

POWER SUPPLY BY PANASONIC ‒ AN OVERVIEW OF THE OFFERED SOLUTIONS
In the modern world, basic electronic components, such as resistors, capacitors, and inductors are often overshadowed by the universally applied microprocessors. However, it is these seemingly insignificant components that form the foundation without which no advanced electronic system could exist. Thanks to them, the basic tasks and functions of electronic circuits can be carried out.

HELUKABEL THERMOCOUPLE COMPENSATING CABLES
The TME offer now includes thermocouple compensating cables by HELUKABEL, a highly renowned manufacturer. The company supplies a variety of products designed for making professional connections in accordance with industrial quality and durability standards – from power supply to modern digital communication solutions.

INDUSTRIAL, SIGNAL, AND OTHER TYPES OF CABLES
The use of the right cables determines the quality of the end result in every application: from making connections for power tools to complex installations in the field of industrial automation. TKD is committed to providing solutions that are tailored to the specific requirements in a wide variety of fields...

INDUSTRIAL ICT CABLES BY HELUKABEL
HELUKABEL is a well-recognized supplier of high quality cables for diverse applications. The core part of this manufacturer’s range of products are cables for professional and industrial use. In the TME catalogue, you will find a wide choice of HELUKABEL products, including the most popular transmission standards used in automation systems, as well as industrial IT network cabling.

WAVESURFER 3000Z SERIES OSCILLOSCOPES BY TELEDYNE LECROY
The WaveSurfer 3000Z series oscilloscopes by Teledyne Lecroy are 4-channel devices designed to troubleshoot and analyse electronic circuits – both at the prototyping and servicing stage. Here, advanced functionalities meet simplicity of use thanks to the MAUI touch screen.

COMPONENTS FOR EV CHARGING STATIONS BY PANASONIC
Charging stations are the main element of the infrastructure developed for electric vehicles. Such devices are subject to strict standardisation, and many manufacturers of electronic engineering solutions are involved in producing them. They are supported in this task by prestigious suppliers of electronic elements, including Panasonic, who offer high-quality components and subassemblies for such applications.

WIRES FROM THE ECOGEN® SERIES BY ALPHA WIRE
For many years, one of the most troubling issues for the industry and automation was their impact on the high production of materials that are harmful to the environment. Until recently, any electrical system upgrade meant that some amount of hardly recyclable waste was going to be generated. However, it is the thing of the past.

NEW ZP SERIES OF UNIVERSAL ENCLOSURES BY KRADEX
KRADEX is a Polish manufacturer of plastic enclosures, which started its operations in 1985. Since the beginning, the company has put much emphasis on the development of production processes, selection of materials, as well as ongoing modernisation of its technical facilities.

MINIATURE STEP-UP/STEP-DOWN CONVERTERS FROM POLOLU
The TME catalogue now includes miniature DC-DC converters with constant output voltage (available in versions from 3.3 V to 15 V DC) from the portfolio of an American brand named Pololu.

FEATURES AND CAPABILITIES OF THE SPE SERIES POWER SUPPLIES BY OWON
Choosing the right laboratory power supply may be a challenging task, especially if you want the PSU to be compact, have a wide range of features and, at the same time, be affordable. If this is something you can relate to, you should take a look at OWON’s offer.

BANANA PI SINGLE-BOARD COMPUTERS
Single-board computers greatly facilitate the development of complex projects. They provide an attractive platform not only for school pupils, students or amateurs, but also for professionals. In the difficult times of supply shortages, we recommend to our customers one of the most popular solutions in its field, i.e. Banana Pi computers.

Company of the week

BALLUFF

Interesting video


GAMING, COMPUTER ACCESSORIES AND OTHER RELATED PRODUCTS


New video for Pilot VX


electronica 2024, 12.11.-15.11.2024, Munich, DE


Video Report from AMPER 2022


INDUSTRIAL PRESSURE TRANSDUCERS FROM CYNERGY3


Address Book


BALLUFF


Seica


PEI-Genesis


KEYENCE


CML Microcircuits


SAMTEC


ams-OSRAM


INTEL


TDK Corporation


Giada


RS group


NOKIA


ANRITSU


Digi-Key Electronics


AERS


Flex Power Modules


Danisense


BINDER


Parker Hannifin


MOXA


DANFOSS


Alliance Memory


Intelliconnect (Europe) Ltd.


KIOXIA Europe GmbH


Antenova Ltd


Friedrich Lütze GmbH


Analog Devices


ASRock Industrial


NVIDIA


Yamaichi Electronics USA Inc.



Calendary
SENSOR+TEST 2024, 11.-13.6.2024, Nuremberg, DE
electronica 2024, 12.11.-15.11.2024, Munich, DE
DistribuTECH, 11.2.-13.2.2025, Dallas, TX

Interesting video
The ISS Design Challenge ...

Interesting video
Mouser Electronics Warehouse Tour with Grant Imahara


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