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Mechanical fault diagnosis of reciprocating compressors is a research topic that has attracted widespread attention. The working conditions of reciprocating compressors are very different from those o...[Details]
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Over the past fifteen years, energy demand has increased tenfold, and energy costs have risen fourfold. Blackouts and brownouts have already occurred in the United States and other countries, and w...[Details]
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The power factor refers to the ratio of the active power of the power load to the apparent power. In addition to absorbing active power from the power system, the power users' electrical equipment,...[Details]
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LED packaging is a research topic involving multiple disciplines (such as optics, thermal, mechanical, electrical, mechanical, material, semiconductor, etc.). From a certain perspective, LED packag...[Details]
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The main shortcomings of traditional field control technologies (such as BITBUS, RS-485, RS-422, etc.) are:
(1) There can only be one master node on the master-slave structure network, and the...[Details]
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The global effort to reduce power consumption is gaining momentum. Many countries require home appliances (see Figure 1) to meet efficiency standards set by organizations such as the China National I...[Details]
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In the D/A converter introduced above, the input numbers are all regarded as positive numbers, that is, all bits of the binary number are numerical bits. Depending on the circuit form or the polarit...[Details]
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1. Introduction With the rapid development of power electronics technology, switching power supplies have been widely used, and the ever-changing high-tech products have also put forward higher r...[Details]
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When decorating, you will usually see LED light strips in the decoration list, but most owners don’t know what they are. This is actually normal. First, they are not used much, and second, the lig...[Details]
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In the process of industrial control, it is necessary to collect real-time data of the controlled object, and according to the actual situation of the collected data, it is necessary to monitor it in...[Details]
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Look around at the electrical appliances around you: desktop
computers
, laptops, printers,
monitors
, modems, stereos, TVs. Do they all really need 220 volts AC power? Th...[Details]
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Fourth-generation devices increase rated power and power density, reduce conduction and switching losses, and thereby improve energy efficiency. MALVERN, Pennsylvania, USA, and Shanghai, China - Se...[Details]
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In 1831, Faraday discovered electromagnetic induction. He found that when a conductor moves through a magnetic field, it generates a voltage that is directly proportional to the speed at which it...[Details]
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introduction With the development of power electronic device manufacturing technology, high-performance, large-capacity insulated gate bipolar transistors (IGBTs) are increasingly used in vario...[Details]
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Digital power supply is different from common analog power supply. The former uses digital PWM, a smaller chip integrating digital MOSFET and DRIVER, and a smaller digital inductor array, with multip...[Details]