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Brushless double-fed variable speed constant frequency system
There are two ways to make the double-fed motor brushless:
(1) Dual-motor cascade type
The cascade doubl...[Details]
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若需控制LED 亮度,就必须具备能够提供恒定、稳压电流的驱动器。而要达到此目标,驱动器拓朴必须能产生足够的输出电压来顺向偏置 LED。那麽当输入和输出电压范围重叠时,设计人员又该如何选择呢?转换器有时可能需要逐渐降低输入电压,但有时也可能需要升高输出电压。以上情况通常出现在那些具有大范围"脏" (dirty) 输入功率来源的应用中,例如车载系统。在这种降压/升压的操作中,几种拓朴可以达到较好...[Details]
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Intel Corp. is reportedly strongly opposing to regulators an import ban on a key ingredient in chipmaking, saying the move would exacerbate an already "precarious" chip shortage. Intel is reported...[Details]
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Keysight Technologies, Inc. (NYSE: KEYS), a leading technology company that helps enterprises, service providers and governments accelerate innovation to connect and secure the world, announced the l...[Details]
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1. Module Introduction:
This serial port output ultrasonic distance measurement module uses STC11F04E single chip microcomputer as processor, working power supply: DC5V, working current 10mA. The...[Details]
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Mitsubishi PLC (Programmable Logic Controller) is widely used in the field of industrial automation. Its instruction set is rich and can meet various control needs. In Mitsubishi PLC, ZRST and RST ...[Details]
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Highway tunnels are underground structures in highway structures. Unlike the bright roads outside the tunnels, when vehicles enter the tunnels during the day, the brightness drops sharply and the h...[Details]
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DC Motor Control Circuit
Notes:
Here, S1 and S2 are normally open , push to close, press button switches. The diodes can be red or green and are there only to indicate direction. You may ...[Details]
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For quite a long time, ETC (Electronic Toll Collection System) has been mainly installed after the vehicle is installed. Since 2019, stimulated by the cancellation of provincial highway toll stations...[Details]
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When a block of metal conductors is placed in a changing magnetic field, an induced current will be generated in the metal conductor. The streamline of this current automatically closes in the metal c...[Details]
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0. Introduction
The remote elevator monitoring system is an advanced technology in the elevator field today. The computer located in the elevator center remotely monitors and controls the eleva...[Details]
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Since the reform and opening up, the construction of my country's power system has been unable to meet the requirements of rapid development of various industries. In particular, the nationwide pow...[Details]
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To spread the Olympic spirit and promote the sharing of educational resources, Intel joined hands with seewo and Tianli Education Group to carry out the "First Lesson of School" activity Recently, ...[Details]
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introduction
Fire is one of the most common serious disasters, which often causes great harm to people's lives and property. At present, smoke detectors, infrared detectors, ultraviole...[Details]
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The industrial robot control cabinet is the core component of the industrial robot system. It is responsible for receiving instructions from the operator or the automation system and controlling th...[Details]