| 翻訳と辞書 |
| load management ： ウィキペディア英語版 |
load management
Load management, also known as demand side management (DSM), is the process of balancing the supply of electricity on the network with the electrical load by adjusting or controlling the load rather than the power station output. This can be achieved by direct intervention of the utility in real time, by the use of frequency sensitive relays triggering the circuit breakers (ripple control), by time clocks, or by using special tariffs to influence consumer behavior. Load management allows utilities to reduce demand for electricity during peak usage times, which can, in turn, reduce costs by eliminating the need for peaking power plants. In addition, peaking power plants also often require hours to bring on-line, presenting challenges should a plant go off-line unexpectedly. Load management can also help reduce harmful emissions, since peaking plants or backup generators are often dirtier and less efficient than base load power plants. New load-management technologies are constantly under development — both by private industry〔(Example of largest load management system developed by private industry )〕 and public entities.〔(US Dept. Of Energy, Office of Electricity Delivery and Electricity Reliability )〕〔(Analysis of current US DOE Projects ) 〕
==Brief history==
In 1972, Theodore George “Ted” Paraskevakos, while working for Boeing in Huntsville, Alabama, developed a sensor monitoring system which used digital transmission for security, fire, and medical alarm systems as well as meter-reading capabilities for all utilities. This technology was a spin-off of his patented automatic telephone line identification system, now known as caller ID. In, 1974, Mr. Paraskevakos was awarded a U.S. Patent for this technology.〔U.S. Patent #3,842,208 (Sensor Monitoring Device)〕
At the request of the Alabama Power Company, Mr. Paraskevakos developed a load-management system along with automatic meter-reading technology. In doing so, he utilized the ability of the system to monitor the speed of the watt power meter disc and, consequently, power consumption. This information, along with the time of day, gave the power company the ability to instruct individual meters to manage water heater and air conditioning consumption in order to prevent peaks in usage during the high consumption portions of the day. For this approach, Mr. Paraskevakos was awarded multiple patents.〔U.S. Patents 4,241,237, 4,455,453 and 7,940,901 (Remote Management of Products and Services) as well as Canadian Patent 1,155,243 (Apparatus and Method for Remote Sensor Monitoring, Metering and Control)〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「load management」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|