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With the rapid development of China’s economy, cars have become an indispensable means of transportation for people, and more and more people will own them. However, with the attendant environmental and energy issues, vehicles not only provides convenience for people, but also becomes one of the main reasons for environmental pollution.

Automobile is a pillar industry and a basic means of transportation. Governments in various countries strive to use the development of automobiles to promote economic development and improve people’s living standards.

The use of new energy vehicles can reduce oil consumption and protect the atmospheric environment while maintaining vehicle growth. Therefore, our government actively promotes new energy vehicles to save energy and reduce emissions for mankind, and promotes the development of green new energy.

New energy vehicles are the intersection of high-tech and sustainable development models, the highlight of energy-saving and low-carbon economy, and the focus of the development of the new generation of automotive industry. Modern electric vehicles are divided into three categories: pure electric vehicles, hybrid electric vehicles, and fuel cell electric vehicles.

Compared with traditional vehicles, the characteristics of new energy vehicles are particularly obvious:
(1) High energy conversion efficiency. The energy conversion efficiency of fuel cells can be as high as 60 to 80%, 2 to 3 times that of internal combustion engines;
(2) Zero emission, no pollution to the environment. The fuel for a fuel cell is hydrogen and oxygen, and the product is clean water;
(3) Hydrogen fuel has a wide range of sources and can be obtained from renewable energy sources, independent of petroleum fuels.

Inductors are widely used in electronic circuits of new energy vehicles and are important components of automotive electronic technology. According to function, it can be divided into two categories: first, vehicle electronic control systems, such as sensors, DC/DC converters, etc; Second, on-board electronic control systems, such as: on-board CD/DVD audio system, GPS navigation system, etc. Inductance is developing towards high efficiency, small size, and low noise, giving full play to the advantages of new energy vehicles.

Inductors mainly play a role in circuits such as filtering, oscillation, delay, and trap, as well as filtering signals, filtering noise, stabilizing current, and suppressing electromagnetic interference. DC/DC converter is a power conversion device for DC power supply. BOOST DC/DC converter used in new energy vehicles is mainly used for boosting high-voltage systems to meet the operation of motor drive systems.

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