【正文】
監(jiān)控,實(shí)現(xiàn)對(duì)饋線等線路的電壓、電流、功率因數(shù)等電量的實(shí)時(shí)監(jiān)控,能夠?qū)崿F(xiàn)電量的日?qǐng)?bào)、月報(bào)等統(tǒng)計(jì)報(bào)表。 從SQLSelect() 函數(shù)產(chǎn)生的結(jié)果集中選取首項(xiàng)記錄;SQLNext(DeviceID)。(4) 插入新記錄函數(shù)SQLInsert(DeviceID, TableName, BindList)。SQLConnect(DeviceID, DSN=wang。 表格模板 記錄體 用戶DNS屬性頁(yè)面 定義數(shù)據(jù)源 組態(tài)王SQL與數(shù)據(jù)庫(kù)的連接(1) 在數(shù)據(jù)詞典里建立變量DeviceID,為內(nèi)存整形,是數(shù)據(jù)庫(kù)連接時(shí)產(chǎn)生的連接號(hào)。其中:字段名稱填寫數(shù)據(jù)庫(kù)表格中的列名。 遙測(cè)數(shù)據(jù)總圖 遙信數(shù)據(jù)總圖 遙控總圖 歷史報(bào)警 報(bào)警查詢 電量日?qǐng)?bào)表 電量月報(bào)表 報(bào)表查詢5 組態(tài)王SQL數(shù)據(jù)庫(kù)管理訪問(wèn) 組態(tài)王SQL(Structured Query Language,結(jié)構(gòu)化查詢語(yǔ)言)訪問(wèn)功能實(shí)現(xiàn)組態(tài)王和其他外部數(shù)據(jù)庫(kù)之間的數(shù)據(jù)傳輸,支持ODBC(Open Database Connectivity,開放數(shù)據(jù)庫(kù)互連)訪問(wèn)接口。 (4) 遙控登錄之后對(duì)分區(qū)所相關(guān)開關(guān)設(shè)備進(jìn)行遙控。設(shè)計(jì)中采用歷史趨勢(shì)曲線控件,這種歷史趨勢(shì)曲線最多支持16條曲線。這兩種曲線外形都類似于坐標(biāo)紙,X軸代表時(shí)間,Y軸代表變量的量程百分比。本次設(shè)計(jì)利用組態(tài)王設(shè)計(jì)分區(qū)所自動(dòng)化監(jiān)控軟件,完成了登陸界面,一次主接線圖,遙信、遙測(cè)、遙控畫面,歷史報(bào)警畫面,日?qǐng)?bào)表、月報(bào)表、報(bào)表查詢畫面,實(shí)時(shí)數(shù)據(jù),趨勢(shì)曲線等畫面的制作。(5) 歷史曲線顯示:顯示過(guò)去某一段時(shí)間內(nèi)電壓或電流的變化趨勢(shì)曲線。 組態(tài)王的變量定義和管理數(shù)據(jù)庫(kù)中存放的變量是當(dāng)前值,包括系統(tǒng)變量和用戶定義的變量。采用主從CPU協(xié)同工作方式,多CPU系統(tǒng)提高處理并行多發(fā)事件的能力。微機(jī)監(jiān)控系統(tǒng)取代了常規(guī)的測(cè)量系統(tǒng)和指針式儀表,改變常規(guī)的操作機(jī)構(gòu)和模擬盤,取代了常規(guī)的光字牌、報(bào)警、中央信號(hào)等,取代常規(guī)的遠(yuǎn)動(dòng)裝置等。 論文的主要研究?jī)?nèi)容在掌握組態(tài)王軟件應(yīng)用和開發(fā)的基礎(chǔ)上,了解變電站綜合自動(dòng)化系統(tǒng)的構(gòu)成、基本功能和特點(diǎn),設(shè)計(jì)分區(qū)所自動(dòng)化監(jiān)控軟件,實(shí)現(xiàn)對(duì)主接線的實(shí)時(shí)監(jiān)控,實(shí)現(xiàn)對(duì)饋線等線路的電壓、電流、功率因數(shù)等電量的實(shí)時(shí)監(jiān)控,能夠?qū)崿F(xiàn)電量的日?qǐng)?bào)、月報(bào)等統(tǒng)計(jì)報(bào)表。因此,變電站的運(yùn)行也是連續(xù)的。變電站綜合自動(dòng)化系統(tǒng),能夠全面提高變電站的技術(shù)水平,提高運(yùn)行的可靠性和管理水平,是變電站自動(dòng)化的發(fā)展趨勢(shì)。根據(jù)變電站綜合自動(dòng)化系統(tǒng)的現(xiàn)狀和發(fā)展趨勢(shì),應(yīng)用分層、模塊化和面向?qū)ο蟮脑O(shè)計(jì)方法和組態(tài)技術(shù),本文從設(shè)計(jì)原則、實(shí)現(xiàn)原理、整體結(jié)構(gòu)、軟硬件部分、功能模塊的應(yīng)用程序等方面對(duì)分層分布式變電站綜合自動(dòng)化微機(jī)監(jiān)控系統(tǒng)進(jìn)行了分析和設(shè)計(jì),主要完成以下內(nèi)容:(1) 通過(guò)對(duì)變電站綜合自動(dòng)化系統(tǒng)及微機(jī)監(jiān)控系統(tǒng)進(jìn)行比較詳細(xì)地研究,同時(shí)對(duì)分區(qū)所自動(dòng)化微機(jī)監(jiān)控系統(tǒng)的基本原理、系統(tǒng)結(jié)構(gòu)進(jìn)行分析和研究,提出了該系統(tǒng)的總體設(shè)計(jì)方案和框圖,并對(duì)它的整體結(jié)構(gòu)進(jìn)行設(shè)計(jì)。關(guān)鍵詞:變電站綜合自動(dòng)化;微機(jī)監(jiān)控系統(tǒng);分區(qū)所;組態(tài)王Abstract Substation integrated automation microputer monitoring system is the most basic subroutine system of the integrated substation automation system, involving the substation running, monitor, control, and other aspects of the content, make the transformer substation monitoring and control change fundamentally. Therefore, the substation integrated automation microputer monitoring system has the realistic need urgent and significant practical significance.Based on the substation integrated automation’s current situation and development trend, using layered, modular and objectoriented design and programming technologies, the microputer monitoring and controlling system was analyzed and designed in substation integrated automation towards layering distribute type, from its design principles, achieve principle, the overall structure, the areas of hardware and software, the application procedures of functional module and so on. The following several aspects of the work are done in this paper: (1) Through the integrated substation automation system and its microputer monito