This course is a high-quality teaching video on the principles and applications of inverters taught by Professor Li Jiusheng of Harbin Institute of Technology. The complete course has a total of 36 hours. The main circuit of the frequency converter is the power conversion part that provides voltage-regulated and frequency-modulated power to the asynchronous motor. The main circuit of the frequency converter can be roughly divided into two categories. The voltage type is a frequency converter that converts the DC of the voltage source into AC, and the filter of the DC circuit. It's a capacitor. The current type is an inverter that converts DC from a current source into AC, and its DC loop filter is an inductor. It consists of three parts: the "rectifier" that converts industrial frequency power into DC power, the "smoothing circuit" that absorbs the voltage pulsations generated in the converter and inverter, and the "inverter" that converts DC power into AC power. Transformer".
Hello everyone: Does anyone have relevant information about the engine anti-theft locking system? For example, information about chips such as pcf7991AT and pcf7936? I looked it up on the Internet, bu
I recently finished drawing a PCB with stm32 as the main control. The whole circuit is an electronic scale that can be connected to the Internet. Because it is the first time to draw a 32-bit board, t
SmartCode breaks the price limit of EPC tags and launches the 5-cent Gen 2 tag product, claiming that as long as the end user orders 100 million tags at a time, the price of its RFID Gen 2 tag can be
[b][color=black][hide][b][color=black]The CE certification of LED lamps provides unified technical specifications for products from various countries to trade in the European market and simplifies the
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