CPU: S3C2440; BSP: PB5.0; The problem is: when the system is suspended and then woken up, the LCD screen cannot display and is blank. I would like to ask the experts, what is going on? PS: Other drive...
[color=rgb(0, 0, 0)][font=Arial][size=14px]Common mode voltage: the average value of the phase voltage between each conductor and the specified reference point (usually the earth or the rack). Or the ...
I saw a post about a Japanese LED lantern: [b][url=https://bbs.eeworld.com.cn/thread-71688-1-1.html]Japanese LED lantern, pay line[/url][/b] I thought of the two lanterns my mother kept, and took a ph...
When using the official CC2640 development board to test the battery capacity, the voltage is accurate. However, according to the official schematic diagram, I opened the board and tested it myself. I...
Um, I'm about to graduate, and I have so many things to do. I have to take the electrician's license exam, and I have to think about this. I'm so confused, please help me:faint: :faint:...
I feel this is a very difficult problem, and sprintf may not be able to implement it. For example, if you want to output a total length of 4 digits (excluding the decimal point, but including the nega...
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
Recently, Zhejiang Lipu Crushing Equipment Co., Ltd. invested 50 million yuan to build a new "annual production of 1,200 high-efficiency and energy-saving ultra-fine pulverizer construction project...[Details]
In a photovoltaic system, a photovoltaic array is usually formed by connecting multiple components in series and parallel. Due to the inconsistency of the electrical parameters of the components ...[Details]
Q1: What information do I need to provide when reporting inverter issues?
A: Machine serial number, fault picture, on-site measurement picture, component information, etc.
Q2: What should...[Details]
On September 5, Shenzhen KSHIDA's string inverters KSG-50K, KSG-60K and central inverters GSL-500K, GSL-630K passed the "China Electric Power AAA Certificate" of the China Electric Power Research I...[Details]
The 2017 North American Battery Show will be held in Novi, Michigan, USA from September 12 to 14. Leading enterprise Jisheng Xingtai (Beijing) Technology Co., Ltd. (referred to as "Jixing Technolog...[Details]
China Energy Storage Network:
Energy Internet is a new form of energy industry development that deeply integrates the Internet with energy production, transmission, storage, consumption and e...[Details]
After a series of hot concepts such as photovoltaics, wind power, electric vehicles, smart grids, and energy interconnection, capital has turned its attention to energy storage. However, what will ...[Details]
China Energy Storage Network News:
In the bustling energy Internet field, an investment fund suddenly appeared and invested tens of billions of yuan at once. This is interesting.
Sta...[Details]
Recently, the 2017 Seventh Forum on Strengthening the Application of the Yangtze River Economic Belt "Belt and Road" Distributed Energy Innovation and Development and the 2017 China Renewable Energ...[Details]
Although photovoltaic power stations have a long lifespan and a warranty period of up to 25 years, they will always "get sick" more or less during the power generation process. So do you know how t...[Details]
Introduction:
At present, the power generation efficiency (PR value) of photovoltaic systems is generally around 80%, and the power generation efficiency of photovoltaic systems can direct...[Details]
Recently, the Ministry of Industry and Information Technology, the Ministry of Science and Technology, the Ministry of Environmental Protection, the Ministry of Transport, the Ministry of Commerce,...[Details]
China Energy Storage Network News:
On October 11, 2017, the National Development and Reform Commission, the Ministry of Finance, the Ministry of Science and Technology, the Ministry of Indust...[Details]
China Energy Storage Network News:
The National Energy Administration recently announced the first batch of "Internet +" smart energy (energy Internet) demonstration projects, a total of 56 p...[Details]