在高壓變頻器小室的南側水泥墻預留面積3m2入風口,入風口墻外采用百葉窗防雨,內部采用雙層隔灰濾網隔方便更換過濾棉。預留2個0.8m2出風口用做#2B送風機高壓變頻器排風,南墻底部預留3個空調冷卻介質銅管和出水口的孔洞。
3.1.1.3高壓變頻器小室東側和北側采用防火活動板作為墻面,北側活動板預留2個0.8m2出風口用做#2A送風機高壓變頻器排風。
3.1.1.4高壓變頻器小室加裝三臺5P制冷空調,空調和高壓變頻器輔助電源采用雙電源手動切換方式。
3.1.1.5利用原有#2爐A、B送風機在6KVⅡ段配電間電源開關,在電機與開關之間增設一套變頻裝置。高壓變頻器柜、旁路柜、輔助電源柜與底部槽鋼通過多點焊接,可靠連接。高壓斷路器與高壓變頻器之間、高壓變頻器與電機之間均為高壓動力電纜連接,電纜充分利舊。
3.1.1.6高壓變頻器、控制電源柜、旁路柜的電纜全部采用柜頂進線柜頂出線方式,地面鋪設高壓絕緣墊。
3.1.1.7高壓電纜交接和預防性試驗合格。
3.1.1.8高壓變頻器調節與監控全部由DCS實現,高壓變頻器小室裝遠程溫度測點,裝溫濕度計。
3.1.1.9原有擋板及控制回路保留。
3.1.2引風機高壓變頻器安裝
3.1.2.1#2爐A、B引風機高壓變頻器安裝于灰控樓0米層房內,房間尺寸寬6.1m,長6.7m,高4m。冷卻方式采用通過風道排出室外,并加裝三臺5P制冷空調強制冷卻。空調和高壓變頻器輔助電源、小室照明、插座電源集中安裝在同一輔助控制柜內,該電源柜的電源采用雙電源手動切換方式.
3.1.2.2利用原有#2爐引風機在6KVⅡ段配電間電源開關,在電機與開關之間增設一套變頻裝置。高壓斷路器與高壓變頻器之間的高壓電纜利舊,高壓變頻器與電機之間電纜重新敷設。
3.1.2.3高壓變頻器柜體接地部分與主廠房接地系統相連。采用40*5mm接地鍍鋅扁鋼,接地線為50mm2,接地電阻小于4歐姆。輸入輸出電纜的屏蔽層接高壓變頻器的總接地點。
3.1.2.4高壓變頻器柜體基礎應平整,基礎結構采用#10槽鋼,基礎型鋼埋在基礎里,其頂部平面比地平面高1cm,基礎型鋼可靠接地,柜體安裝并焊接在基礎型鋼上,保證基礎鋼和高壓變頻器柜體可靠連接。It can monitor and control multiple remote field systems at the same time, adopt industrial wireless remote communication mode, timely understand the remote operation and make rapid processing, monitor and collect various data for analysis and decision-making of the monitoring center and relevant departments, improve work efficiency and ensure the quality of water supply.
3、 System features:
Each remote pump station adopts Haitongda htd-6000 / 7000 series multi-functional wireless acquisition system to collect and communicate with field equipment. Various sensors are used to measure the water level, pressure, flow and the temperature of the working unit. The switching value can also be used to control the start and stop of the water pump. Various data are transmitted from htd-6000 to the control room for operation and processing.
The central control station adopts the configuration mode. Through htd-7000 series, it can remotely monitor and control the operation