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On the north side of the Nankun Mountains in Conghua, Guangzhou, green waters and green mountains complement each other. Here is my country's first large-scale pumped storage power station - Guangzhou...[Details]
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Let's talk about the CV operation mode first. Most chips now directly sample the voltage on the auxiliary coil. Due to leakage inductance, after the MOS is turned off, that is, ...[Details]
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What is overmodulation?
Usually, the SVPWM we use is in the white inner circle in the figure above, and the output phase voltage amplitude can reach Vdc/sqrt(3). This area is called the ...[Details]
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There are usually two water tanks on the floor scrubber. The clean water in the clean water tank is used for cleaning, and the sewage tank is used to collect the sewage after cleaning. Therefore, c...[Details]
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The competition between China and the United States in cutting-edge technology is intensifying. After 5G, quantum technology may become the Chinese technology that the United States fears the most. ...[Details]
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Nowadays, the whole world seems to be advocating "innovation". Many people believe that Apple is a very innovative technology company. This may have been true in the past, but what about now? Markete...[Details]
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A soft starter is an electrical device used to start a motor. Its main function is to reduce the current impact when the motor starts and reduce the damage to the power grid and mechanical equipmen...[Details]
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In recent years, high-power LEDs have developed rapidly, with great improvements in structure and performance, increased production and reduced prices. Ultra-high-power white LEDs with a single pow...[Details]
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LED
lighting application trends and heat dissipation issues Due to the continuous advancement of solid-state lighting technology, the luminous
efficiency
of LEDs
has been improved in ...[Details]
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Smart devices are experiencing a booming development, especially networked smart devices based on artificial intelligence, which are becoming the next hot spot. However, the homogeneity problem in th...[Details]
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On February 7, LG Chem announced that it had signed a long-term supply contract for cathode materials worth 25 trillion won with General Motors. LG Chem plans to use its cathode material factory in T...[Details]
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With the rapid development of energy Internet and smart grid, the demand for power business is also rapidly iterating, which puts forward higher requirements for the security and mobility of power ...[Details]
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On February 19, North Huachuang responded to investors' questions on an interactive platform and stated that the current epidemic has affected the company's new orders in the first quarter, and the e...[Details]
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introduction
High intensity discharge (HID: High intensity Discharge) lamps actually include a large category of lighting products that use small high internal pressure arc tubes to em...[Details]
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Nowadays, cardiovascular diseases have become one of the major diseases that threaten human health, and clear and effective electrocardiograms provide a basis for diagnosing such diseases. The electro...[Details]