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1. Measurement principle After the input current and voltage are digitally filtered, the fundamental wave is taken out, and then the fundamental wave peak value of the resistive current ir1p=ix1p.cos...[Details]
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Not long ago, I had a close look at Zhiji Auto, a high-end electric car brand. What impressed me most was its "eyes" - the front and rear lights: not only are they outstanding in appearance, but more...[Details]
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Attending Automotive Test & Quality Expo 2023 is not just about showcasing the latest and greatest achievements in automotive technology, it’s also about the cutting-edge tools and technologies that ...[Details]
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Importance of insulation system for new energy vehicle motors
The drive motor is the "heart" of the car, and the insulation system is the "heart" of the motor. More than 50% of motor failures ...[Details]
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A thermal protector is a device that cuts off power to a device when the temperature inside the device reaches a certain value. This helps prevent fires and other damage caused by overheating. The ...[Details]
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Sensor technology is an important part of testing and automatic control. In the test system, it is used as a primary instrument for positioning. Its main feature is that it can accurately transmit an...[Details]
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In actual use, the problem of harmonic interference of frequency converters is often encountered. The following briefly introduces the mechanism of harmonic generation, propagation path and methods...[Details]
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High-speed
railways
are a major achievement of the world's railway high-tech. With its incomparable advantages such as good safety performance, fast travel speed, low energy consumption, ...[Details]
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Recently, Honda Motor and SES Holdings Pte. Ltd. (hereinafter referred to as SES), an electric vehicle battery research and development company headquartered in Boston, USA, signed a joint developmen...[Details]
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The rapid increase in the number of cars has increased the workload of car inspection. During car inspection, inspectors need to use their eyes to browse and judge the information on many screens a...[Details]
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With the widespread application of digital signal processing technology in electronic products, the confidentiality of voice information has also become an important research direction in the field...[Details]
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The intelligent electromagnetic flowmeter is a major innovation in the history of instrument development. It is developed based on Faraday's law of electromagnetic induction. The basic working princi...[Details]
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According to Korea Economic News, Huawei called on Samsung Electronics and SK Hynix not to worry about the US's movements and to ensure stable delivery of memory chips. On the 15th of this month, t...[Details]
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With the rapid development of technology, the discussion about the future of autonomous driving has become more and more heated. In addition to sensors, V2X technology is also being developed as a s...[Details]
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A soft starter is an electrical device used to start a motor. It can effectively reduce the current impact when the motor starts and reduce the impact on the power grid and the motor. However, in p...[Details]