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1 Design of Distributed Generation Grid-connected Inverter System 1.1 DC-DC Converter The DC-DC converter is a circuit that converts the DC voltage into AC voltage through the switching action ...[Details]
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As the power source of new energy vehicles , power batteries are called the "heart" of new energy vehicles and one of the most important system components in the vehicle. However, since the mass ...[Details]
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1. Adjustment points 1. Solder LM317 and LM337 and their associated voltage stabilizing components, add +55V and -55V voltages, adjust resistors Ra and Rb, and adjust the output voltage to +42.0V and...[Details]
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Hi, do you need an assistant who can remind you of your schedule when you go out, chat with you when you are depressed, help you tutor your children when you are busy, or command the smart devices i...[Details]
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Jiwei.com reported that the competition between China and the United States in the semiconductor field has entered a white-hot state. In order to prevent China from gaining a competitive advantage, t...[Details]
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Honda today (November 30) released its new generation of environmentally friendly automotive powertrain technology "EARTH DREAMS TECHNOLOGY".
"EARTH DREAMS TECHNOLOGY" aims to highly integrate...[Details]
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Helian Electronics, a professional authorized distributor of interconnect and electromechanical products, was recently invited to participate in the 2019 6th Internet of Things Conference and the 4th...[Details]
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T-type resistor network D/A converter: 2R is connected in parallel with 2R, so 1R connected in series with 1R is always 2R, so the total resistance is 1R; close the switch under I7 to 1, then I7 =...[Details]
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When the CPU is executing a program, due to some external reasons, it is necessary to terminate the execution of the current program as soon as possible and execute the corresponding processing pro...[Details]
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1. The difference between window watchdog and independent watchdog 1) Independent watchdog has no interrupt, window watchdog has interrupt 2) Independent watchdogs can be divided into hardware ...[Details]
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Since measuring instruments are in different frequency bands, even instruments with similar functions often have very different working principles and structures. For different purposes, instruments w...[Details]
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1 Introduction
This data acquisition system uses a hard interrupt mode. By programming the 8254 timer and 8259 interrupt controller on the KH-9300 board to trigger interrupts and count external...[Details]
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On October 8, the launch of the Hefei project of Sino-Innovative Aircraft and the signing ceremony of the Phase III project were held at the Hefei base. Luo Yunfeng, deputy secretary of the Hefei M...[Details]
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What kind of pattern will the global auto industry be transforming into in 2023? Obermühne, who succeeded Herbert Diess, was very nervous sitting in the top spot of Volkswagen, and was troubled by ...[Details]
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CJ series AC contactors are widely used in low-voltage power distribution due to their low price and long service life. However, they have large power loss and noise during operation, and often burn o...[Details]