low voltage line 中文意思是什麼
low voltage line
解釋
低壓線路-
Application study on low - voltage power line carrier wave spread spectrum communication system
低壓電力線載波擴頻通信系統的應用研究 -
Technique of transmitting data via power line （ pl ） ， a new technique developed in recent years ， is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage ， disadvantage and the current state of the power line carrier communication 。 the advantage ， method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper ， after introducing the principle of ssc ， design of hardware and software of the system are been discussed 。 this system has been put into use ， the result has proved its high stability and reliability
本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀，擴頻技術在電力線載波通信應用的優點、方式和現狀，並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上，本文詳細地介紹了電力載波遠程抄表系統的具體實現，包括硬體模塊和管理軟體本系統已投入運行，具有較高的穩定性和可靠性。 -
A new design and simulation for analogue forepart filter in low voltage power line communication
低壓電力線通信模擬前端濾波器的設計與模擬 -
High - low voltage switch box, dynamic trunk line, mcc, ats, walkie - talkie, broadcasting, fire alarming system, telephone system, etc
電氣：高低壓開關箱動力干線mcc ats對講廣播火警電話等系統。 -
Ddg series low - voltage large - current dry - type transformers special transformers for line frequency furnaces, electro - slag furnaces, resistance furnaces, and salt bath furnaces applications ; small - capacity high - voltage transformers
各種特殊變壓器工頻爐變壓器電渣爐變壓器電阻爐變壓器鹽浴爐變壓器小容量高壓變壓器等 -
The charger automatically compensates for low ac line voltage or extension cord use
充電器自動補償低交流線路電壓或延長線使用。 -
As a separate system, the system of statistics and analysis for the reliability of low - voltage user records reliability datum of every low - voltage user by gathering terminals, collects and deals with these datum with the technique of low - voltage power line carrier by lumped instrument. last, the datum in the lumped instrument are read in the database of the master station computer by telephone network
低壓用戶可靠性統計與分析系統作為獨立系統，以低壓臺區為單位，通過採集終端記錄每個低壓用戶的可靠性數據，再採用低壓載波由集中裝置對這些數據進行集中並處理，主站計算機以電話網路撥號的方式將集中器中的數據讀入數據庫。 -
Designing and manufacturing automatic assembly line of brand printing of low - pressure electrical equipment for schneider shanghai low voltage terminal app. co., ltd. 6
中法合資上海施耐德低壓電器有限公司低壓電器商標印製自動流水線的設計製造。 -
This paper presented a general systematic view, application and current development of the power line carrier transmission technology, and clearly compared some existing power line carrier communication chip with each other. then the authors analyze the channel " s characters of low voltage power line, and formed an abstract carrier channel model. using this as its basis, a new kind of transmission technology is designed that adopted transmission technology combining the spread spectrum modulation with channel coding, which can solve the problems above mentioned to a certain degree, and need not pay for high cost
文章不僅全面地介紹了電力線載波通訊技術的特點、應用及其發展狀況，還對目前的電力線載波通訊晶元進行了比較；並通過對低壓電網通道特性的分析和研究，抽象出其載波通道模型，在此基礎上，提出了將擴頻調制和通道編碼相結合的傳輸技術用於低壓電力線載波通信，這可以在很大程度上解決電力線的干擾問題，且不必付出高昂的代價。 -
Design reliability for low - voltage power line carrier communication
低壓電力載波通信中的抗干擾設計 -
At that time, schneider electric s all product line relating medium voltage, low voltage, panel, busways, final low voltage, wiring devices, vdi & building automation, industry control & automation, will be involved in these great projects
屆時，施耐德電氣從中低壓配電、母線、盤櫃、低壓終端配電、面板開關、綜合智能布線系統和樓宇自控，到工控自動化的全線系列產品都將參與其中。 -
At present, the product line provided by schneider electric, such as low voltage electric distribution, final low voltage electric distribution, vdi and wd products in merlin gerin brand, as well as the building automation system in tac brand, have covered all the needs in the building electric distribution and automation. with its more personalized design concept and high - tech innovative products, schneider electric will continuously concentrate on the innovation and provide qualified product and service to chinese r. e
目前施耐德電氣旗下的梅蘭日蘭品牌的低壓及低壓終端配電、綜合智能布線、面板開關產品和tac品牌的樓宇自控產品已經涵蓋了樓宇配電和自動化的全部需求，並將不斷創新，以更為人性化的設計理念和更高科技含量的創新產品服務于中國的房地產市場。 -
In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on
本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題，在此基礎上，從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性，並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋；本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案，即由用戶終端、集中器和電能管理系統所組成的網路系統，其中，用戶終端到配變集中器用低壓電力線作為通道，中間無需其他硬體中繼設備，集中器到電能管理系統用公用電話網作為通道。 -
Research of the home - network protocols based on low - voltage power line communication
基於低壓電力載波的家庭網路應用研究 -
The study bases on the four operating conditions of which the longnan network will be implemented in the year of 2005 and 2010. first, this paper calculates the power flow distribution that including the line charging reactive power and input of the low - voltage shunt reactor in chengxian s / s. assumed that the bus voltage of tianshui s / s and bikou power plant to be constant, the study count the voltage level of the 330kv and 220kv bus - bar when the 330 / 220kv transformer in standard tap changer position. in order to set control rules
本文基於隴南電網在規劃發展水平年2005年及2010年的四種可能的運行方式下及潮流條件，計算出了計入線路充電無功及投入成縣變低壓並聯電抗器后的潮流分佈，在設定甘肅大網側及碧口電廠側母線電壓恆定條件下，計算了330kv及220kv主變在有載調壓標準分接頭變比下的330kv及220kv母線電壓水平。 -
Simply analysis for the present situation of line consumption matters with low voltage power net in country and the countermeasure
農村低壓電網線損現狀及降損措施探討 -
In this paper global joint planning for middle and low voltage network is considered. both line arrangement and cross section and transformer arrangement and rate are considered. it is a non - line combined optimum problem more complex than single network planning
本文從整體的角度考慮中壓和低壓配電網路的聯合規劃，不僅考慮了線路走向和導線截面大小，而且考慮了變壓器的布置位置和容量，這是一個比單純的網架規劃更復雜的非線性組合優化問題。 -
Distribution automation using distribution line carrier systems - part 1 : general considerations - section 4 : identification of data transmission parameters concerning medium and low - voltage distribution mains
配電線路載波通信系統用配電自動機械.第1部分:概論.第4節:中級和低壓配電干線 -
A remote record system is designed using integrated circuit based on direct sequence spread spectrum carrier communication technology and can transfer data from the sender to the receiver via low voltage power line
本文應用擴頻晶元設計了一種遠程抄表系統，它採用直接序列擴展頻譜通信技術，以低壓電力線作為媒介進行通信。 -
A new distribution model that small capacity transformer and short low voltage line is presented after analyzing the power supply ability of distribution network. it is found that this method is better than that of past through comparison between them. the advice that the fifth item of standard dl / t559 - 1996 should be modified is also presented
從理論上分析了配電網的供電能力，指出了在現有配電模式下配電網的供電能力是比較差的，提出了小容量變壓器、多布點、縮短低壓供電線路的配電模式，並將這一配電模式與現有配電模式下的常用降損節能措施進行了分析比較，證實了採用這一配電模式的優越性。
分享友人