水電站計算機監控系統 (本科)畢業論文設計

摘要

本文首先對我國水電站計算機系統的水平及發展趨勢做了介紹；其次重點介紹了S7-200/300 PLC在水電站監控系統LCU的應用及在水電站技術供水系統的作用和在水電站油壓裝置中的應用；再次用工程制圖畫了水電站計算機監控系統結構圖及硬件配置表；最后編了PLC控制系統程序。

關鍵詞：水電站發展趨勢 S7-200 系統結構圖 PLC編程

Abstract

the PLC S7-200/300 monitoring system in hydropower station LCU application and technical system of water supply in hydropower station of the function and application in the hydropower station hydraulic device; Again with the system of engineering drawing hydropower station computer monitoring system structure diagram and the hardware configuration table; The last program the PLC control system.

Key Words: Hydropower development trend ；S7-200 ；PLC programming ；System structure of the system

目錄

第一章 緒論 ·····················································4

1.1我國水電站計算機系統的水平及發展趨勢··························4

1.1.1水電站最新技術···········································4

1.1.2水電站發展趨勢···········································6

1.2國內外水電站計算機監控系統的結構模式·························11

1.2.1根據計算機在水電站監控系統中的作用分類··················11

1.2.2其次,按計算機控制方式結構來分析下列幾種模式系統·········14

第二章S7-200/300 PLC在水電站監控系統LCU的應用···············15

2.1 PLC現地控制器················································16

2.2 控制系統的功能···············································18

2.3 水力發電站排水系統控制系統···································20

第三章S7-200 PLC在水電站技術供水系統的作用····················23

第四章S7-200 PLC在水電站油壓裝置中的應用······················25

4.1 油壓裝置自動化的必要性與控制要求···························25

4.2 PLC控制系統的硬件設計······································25

4.3 PLC控制系統的程序設計······································27

水電站計算機監控系統結構圖及硬件配置表··················29

5.1硬件配置表···················································29

5.2水電站計算機監控系統結構圖···································30

PLC控制系統程序············································31

6.1.潤滑與冷卻PLC控制系統梯形圖··································31

6.2.調相壓水綜合控制子程序··········

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