نتایج جستجو برای: power meter
تعداد نتایج: 510868 فیلتر نتایج به سال:
In this paper, we describe the development of smart meter using Advanced Metering Infrastructure (AMI). This entails transport of metering data from energy consumer’s premises to the data management systems of energy provider using a practical mesh networking solution to realize metering communication. When the demand in the grid increases with decreased amount of power generated, this in turn ...
Under the background of smart grid’s real-time electricity prices theory, a real-time electricity prices and wireless communication smart meter was designed. The metering chip collects power consumption information. The real-time clock chip records current time. The communication between smart meter and system master station is achieved by the wireless communication module. The “freescale” micr...
According to the related technology about power meter, single-phase power meter based on Ethernet is designed and researched. Single-chip processor MC9S12NE64 is used as system’s CPU and in charge of the system control and information processing. Power measurement chip CS5460A is applied to calculate electrical parameters. EMAC and EPHY modules which are MC9S12NE64’s inter parts are adopted to ...
We report the design of a cost effective, highly sensitive cw laser power meter with a large dynamic range based on a photodiode. The power meter consists of a photodiode, a current to voltage converter circuit, an offset balancing circuit, a microcontroller, an analog to digital converter, reed relays, and an alphanumeric liquid crystal display. The power meter can record absolute laser power ...
Knowledge of the spatial and temporal distribution heat flux is great interest for quantification sources. In this work, we describe development a new ultra-broadband contactless imaging power meter based on electromagnetic to infrared technology. This sensor mathematical processing images enable reconstruction both amplitude distributions through wide spectral range The full modeling thermocon...
Wireless automatic meter reading (AMR) system based on a fixed radio network brings many advantages when compared to other meter reading techniques. After an introduction to the state of the art of AMR systems in general, and particularly of water meter reading system, a wireless automatic water-meter reading system founded on ZigBee technology is presented. Set forth in the text are main chara...
The next generation of linear colliders requires peak power sourcesof-over 200 MW per meter at frequencies above 10 GHz at pulse widths of less than 100 nsec. Several power sources are under active development, including a conventional klystron with RF pulse compression, a relativistic klystron (RK) and a crossed-field amplifier. Power from one of these has energized a 0.5 meter two-section Hig...
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