-
The idea is to use two-way inverters to generate two sine waves through LC oscillation, and then connect the two sine waves in series and send them to the primary side of the high-voltage package. The...[Details]
-
We all know that in many fields, electronic instruments are required to work outdoors for a long time or even in many harsh environments. Although there are many targeted designs in the hardware for d...[Details]
-
A strong slap in the face of US accusations!
Recently, in response to the Federal Bureau of Investigation (FBI) and the Homeland Security Cybersecurity and Infrastructure Security Agency (CISA...[Details]
-
Earlier, Apple officially released the new iPhone 11 series devices, and the high-end models of iPhone 11Pro/Pro Max were criticized by netizens for their initial capacity of 64GB. Recently, some for...[Details]
-
某小区的供热站,一台250kW的鼓风机向锅炉内吹煤粉。原来使用节风门调整鼓风机的风量,从而控制燃烧量。现在采取了变频器控制鼓风机,通过鼓风机的转速快慢来控制燃烧量。改造后,节电效果显著,但是却发现无功补偿装置中的保险频繁烧毁。希望解决这个问题。
This is because the inverter generates strong harmonic current emiss...[Details]
-
The hardware circuit design of a single-chip microcomputer application system includes two parts: one is system expansion, that is, when the functional units inside the single-chip microcomputer, suc...[Details]
-
The domestic photovoltaic inverter field has always been one of the most competitive battlefields in the photovoltaic industry. Especially in recent years, at the SNEC exhibition, inverter compan...[Details]
-
Google released the first Beta version of Android 12 last month and recently released the Beta2 version. Dave Burke, vice president of Android projects, revealed that the test version of And...[Details]
-
Because the six-step commutation method has some shortcomings, the FOC algorithm has the characteristics of small torque fluctuation and fast dynamic response, which can make the motor rotate more ...[Details]
-
Recently, a series of articles revealed the price war and oversupply in the power battery industry, and the entire industry is feeling the pressure and chill. China Business News " Battery cell quo...[Details]
-
When the plug-in board is inserted into the powered backplane and VON is greater than 1.313V, the chip will start to work. Since large transient currents are likely to occur at this time. When the ...[Details]
-
Antennas, as the front-end components of communication equipment, play a vital role in communication quality. With the application of frequency hopping and spread spectrum technologies in modern mili...[Details]
-
1 Introduction In the field of industrial flaw detection, various problems in the welding process will cause defects such as pores and cracks in the weld, affecting the quality of the product, so...[Details]
-
The questions for Week 24 are as follows. This is a discussion question. Someone took a photo with an iPhone and copied it to a personal computer through a USB port. As an engineer, have you ever thou...[Details]
-
Samsung One UI 2.5 is the company’s latest Android UI version, but Samsung has already started testing the next major version - One UI 3, based on the Android 11 system, with developers. ...[Details]