Traction Inverter, GaN Technology, Chips Act and Neural Network for Power Electronics

Traction Inverter, GaN Technology, Chips Act and Neural Network for Power Electronics

Over the past few years, the number of electric vehicles (EVs) on our roads has significantly increased, imposing demanding challenges on designers, such as maximizing the EV efficiency, optimizing the charging infrastructure, and reducing the charging time.

In any electric vehicle, the traction inverter plays an essential role, performing the conversion of DC current from the EV battery to the AC current used by the motor to drive the vehicle’s propulsion system.

Improving the performance of the traction inverter has several benefits, including:

  • longer range, reduced charging time, and extended battery life with the same battery cost, or
  • the use of smaller, lower-cost batteries to achieve the same range.

In this article, we will analyze different types of traction inverter architectures based on IGBT, SiC, and GaN devices, showing how gallium nitride can contribute to increasing the solution’s efficiency while reducing both costs and weight. #electricvehicles

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Neural Network Application in Core Power Electronics and Motor Drives

By Saumitra Jagdale

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A wide range of applications based on power electronic devices are possible because of the ability to convert electrical energy into useful forms like heat, light, motion, and sound with utmost efficiency. Motor drives are a prime example, with application in almost every industry. More than 70% of industrial loads are motor loads, with induction motors forming a major part of it. Hence, precise control of these motors is important for industries, as it can save them a ton of money and resources. All of these high-frequency switching devices require precise control to operate properly. With continuously changing external conditions, controlling power electronic devices such that they always operate at best efficiency point (BEP) cannot be achieved by conventional control methods. This is where artificial-intelligence techniques come into the picture. #artificialintelligence #ai

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GaN FETs: The Technology of Choice for Audiophiles

By Ilian Bonov

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Gallium nitride FETs are becoming widely preferred in many products, from low-power, low-cost applications like smart device chargers all the way up to high-power automotive applications. Mostly, designers are impressed by the increased efficiency and power density that #GaN delivers, which results in devices that have greater power capabilities than their silicon counterparts. However, high-end audio amplifiers are also now increasingly turning to GaN technology, as the smooth switching characteristics of GaN FETs result in less audible noise being injected into the amplifier.

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The CHIPS Act: A Plan to Revitalize the U.S. Semiconductor Manufacturing Industry

By Sonu Daryanani

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Pressure has grown in the U.S. to act to shore up its own manufacturing base in advanced semiconductor manufacturing, and the culmination of that was on Aug. 8, when President Biden signed the CHIPS and Science Act.

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