In photovoltaic inverters and wind power converters, Vishay DC-link film capacitors can be used as voltage stabilization filters with an expected life of more than 15 years, lower losses, and better s...
[Message]:) There is one more day for the National Day, and three more days for the Mid-Autumn Festival... At this time, brothers and sisters in the forum, no matter whether you can go home for reunio...
IGBT has three electrodes, namely, gate G (also called control electrode or gate), collector C (also called drain) and emitter E (also called source) [b]1. Identify field effect tubes with pointer mul...
In order to ensure the real-time requirements of some functions, I think it may be necessary to modify the system's process preemption mechanism and memory paging. What other issues should I pay atten...
[table=98%,rgb(232, 232, 232)] [tr][td]I use STM32[color=rgb(0, 102, 153)][url=http://eboard.taobao.com/]development board[/url][/color] + LWIP + UCOSIII, and display the time and date through WEB, an...
The peak-to-peak value of the sine wave output of AD9851 is only 500mv, so it cannot be used as the local oscillator of a phase-locked loop. Can an amplifier be added to replace it?...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
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