A 380V 245KW wound-rotor three-phase motor has burned out the shorting ring at the tail of the rotor many times, especially when starting. I don't know why. I hope someone can help remind me....
[size=6] I use msp430f149 for uart communication. Through P3.4 and P3.5, I found through oscilloscope testing that there is data output from port 3.4 and data input from port 3.5. It is obvious that t...
Calculate your home phone number~~~98% accurate~ First~ 1. Please input the first 4 digits of the phone number into the calculator (if your phone number is less than 8 digits, input the first 3 digits...
Recently, a friend of mine who is researching paper batteries in the field of chemistry asked me what applications this has. I couldn’t answer at the moment, so I asked everyone if anyone has any know...
I'm looking for a 24V to 12V power supply circuit with a current of about 2-3A. It should have low heat generation, low interference, and as few components as possible....
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[Details]
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
The full name of RFID is Radio Frequency Identification, which uses radio frequency to realize data transmission between programmable controller (PLC) or microcomputer (PC) and identification, ther...[Details]
0 Introduction
One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]
Fairchild Semiconductor provides the industry's smallest power management solution FAN5902 for 3G mobile phone and wireless data card designers. This RF power DC-DC converter uses a 12-bump 0.5mm p...[Details]
Today, a new systematic maintenance approach can measure, locate and repair problems in rail and tram tracks in a timely manner. Combining mature railway engineering techniques with advanced techno...[Details]
Part 1 Current status of electricity metering in various places
Current status of electricity metering
a) Power companies still mainly use mechanical energy meters and low-cost e...[Details]
Introduction
The wireless market is like a new field for us. The explosive growth of new radio frequency (RF) technologies has created new opportunities to solve old problems. Flexible hig...[Details]
0 Introduction
A cochlear implant is an electronic device that helps patients with sensory hearing loss restore their hearing. It converts external sounds into electrical stimulation requi...[Details]
introduction
In an increasingly information-based society, computers and networks have fully penetrated into daily life. For individuals, what is needed is not just documents placed on the...[Details]
Industrial Control Electronics
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