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1. Basic structure of IGBT
The insulated gate bipolar transistor (IGBT) is essentially a field effect transistor, but with an additional P-type layer between the drain and the drain region...[Details]
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——The inverter is the heart of every photovoltaic power station. The product liability insurance and errors and omissions insurance purchased by inverter manufacturers add a strong "protective shie...[Details]
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Basic knowledge of polarizers
Composition of polarizer
The earliest polarizer was mainly composed of a PVA film in the middle that can produce polarized light, and then a TAV pr...[Details]
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How to build a small stand-alone
alarm circuit
using CMOS
illustrate
This is a selection of small standalone alarm circuits. The main features of each alarm are des...[Details]
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On June 16, the "OFweek 2022 Lithium Battery (Power & Consumption) Industry Conference and Veken Cup Annual Awards Ceremony" hosted by China's high-tech industry portal OFweek and organized by Veken ...[Details]
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The automatic watering system is designed with 51 single-chip microcomputer + LCD1602 liquid crystal + soil sensor + relay + ADC0832 + water pump. The three system buttons are: system reset button, s...[Details]
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On May 11, the author saw at the 66 kV Yingchang substation of the State Grid Liaoning Shenyang Power Supply Company that the original power communication heightening frame had a new "little friend...[Details]
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Mitsubishi PLC (Programmable Logic Controller) is a programmable logic controller widely used in the field of industrial automation. In Mitsubishi PLC, the TRD instruction is an instruction used to...[Details]
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As we all know, the most feared things for any electrical equipment or machine are leakage and short circuit.
As the saying goes, "laymen watch the excitement, experts watch the doorway." The ...[Details]
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Measurement of varistor: Varistors are generally used in parallel in circuits. When the voltage across the resistor changes dramatically, the resistor short-circuit will blow the current fuse...[Details]
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1. System Overview
Mitsubishi PLC FX3u can use a dedicated download cable to download programs through the computer serial port. You can also use a homemade download cable to connect the w...[Details]
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"Looking back at the Synopsys Wuhan Global R&D Center project, it was first initiated in 2010 when Synopsys President and Co-CEO Dr. Chih-Kuan Chen was invited by local leaders to visit Wuhan after a...[Details]
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OZ9RR is a backlight high-voltage inverter PWM control chip produced by OZMicro, with the following features: constant operating frequency, and the operating frequency can be synchronized by extern...[Details]
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Since many people always ask this question, here is a summary document for your reference. It must be explained here that the following steps are for Linux systems, not WinCE. You may notice that amo...[Details]
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The development of technologies such as artificial intelligence (AI), cloud computing, and edge computing is driving innovation and upgrading in all walks of life. This process is also accompanie...[Details]