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devices, ensure the normal operation of the system.
I. Electrical Protection
When an outdoor cable enters a building, it is usually transferred to the room at the entrance. Electrical protection equipment should be installed at the transfer place, in this way, the user's equipment is damaged by the induction potential generated by lightning strikes on the cable
The Integrated Wiring System is part of smart buildings. Compared with traditional cabling systems, it features compatibility, openness, flexibility, reliability, advancement, and economics, it connects voice, data, Image devices, and exchange devices to other information management systems, as well as external communication networks. It can be said that the Integrated Wiring System is like an expressway of
Tag: Security detector Alarm Controller for current transformer
1 Prevention of electrical fire
In order to prevent and reduce electric fire, the insulation status of 220/380 V power supply line should be monitored online, and the electric fire monitoring system can be used for leakage detection and alarm. Electrical
Integrated wiring system is a part of intelligent building, compared with the traditional cabling, its main features are compatibility, openness, flexibility, reliability, advanced and economical, it can make voice, data, image equipment and exchange equipment and other information management system connected, also can make these devices and external communication network connection. It can be said that the
A Power distribution System (PDS) is a subsystem that allocates power from power source to each device and device that needs power in the system. In all electrical systems there are
1 Overview
Power grid dynamic topology coloring is an advanced application system of power system, topology analysis is an important part of electric power speciality, it is the foundation of power automation analysis, it directl
based on 16-bit multi-CPU. In 1988, a 32-bit digital signal processor (DSP) was developed) the integrated microcomputer device for protection, control, and measurement has been developed in cooperation with Zhuhai jindian automation equipment company into a fully functional 32-bit large module, one module is a small computer. The 32-bit microcomputer chip is not only focused on precision, because the accuracy is limited by the resolution of the/D converter, when the 16-bit is exceeded, the conv
of the unit capacity; the development of a power balance plan has two One is to help users determine when and where to build the type of power plant, the second is to meet the load demand and achieve a variety of economic indicators, so that the planning period of the power system can be safe operation and investment
The power distribution system should meet the requirements of the Information Equipment Room, ensure the reliability and flexibility of power supply, ensure personal safety, facilitate construction, maintenance and management, and achieve advanced technology, economic and reasonable. The lighting system complies with r
converting electric energy into thermal energy, resulting in the loss of electric energy. The heating causes the conductor temperature to rise, and promotes the accelerated aging of insulation materials, shortening the service life, reducing the degree of insulation, and causing thermal breakdown, this will lead to power distribution system accidents. For example, the lifetime reduction rate of Transformer
adjustment of the power-off angle. However, with the large-scale use of multi-frequency antennas, the installation and deployment of remote adjustment systems are complex and the problems of low reliability are also becoming increasingly prominent:
Complex and time-consuming installation: You need to install an external RCU and control cable on the site. Taking one three-frequency antenna as an example, three RCUs and three control cables need to be
distributed network data. In this way, we can develop as many high-quality applications as possible at minimal cost. This also helps achieve high consistency, compatibility, and business integrity between applications. Applications: use components to encapsulate business rules, divide component functions, and reasonably deploy component positions to achieve better application performance.
3.2 component-based three-layer development model
After analyz
Application of DSP in synchronous AC sampling of Power System
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With the rapid development of China's power industry, the power system has higher requirements for the collection of
Does the Win8 system find that the battery has no power during important conferences or long flights? Even with the use of new technologies, a single-charging laptop or tablet can only last for so long. This technique is used to make full use of power. The following describes how to extend the battery life of your computer: select an energy-saving
Power Management is how the power supply is effectively assigned to different components of the system. Power management is critical for mobile devices that rely on battery power. By reducing the energy consumption of
A simple method to reduce the battery power of the Win8 system many netizens will encounter this problem, especially when using a notebook, the battery will soon be used up, in the process of no preparation at all, it is prompted that there is no insufficient power, so how can we make full use of the power properly to
1, take apart the chassis found that the power supply fan does not turn, the touch of the shell found very hot, suspected to be caused by power failure, the power supply from the chassis removed further inspection;
Win7 system computer power off black screen after
The hardware architecture and low power consumption of the Bluetooth single chip DA14580 describes the DA14580 hardware architecture and the low power consumption principle. This paper expounds the software system of the platform, and emphatically analyzes the processing mechanism of the message event.First, DA14580SOC hardware composition and software
Win8.1 System Start screen power button missing fault analysis and solution
Reason one: Updata version not installed
Since the Win8.1 also has many versions, the early win8.1 system Start screen is not the power button, after the release of the first Updata update to add the Start Screen
want to process the broadcast once, you can do so through the Removestickybroadcast () function. The process of creating a broadcast here is the same as a normal broadcast, and there is not much to introduceOf course, there will be a lot of broadcast in the system, when certain conditions are met, the system will send some well-defined broadcasts, such as: restart, charging, telephone calls and so on. We c
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