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F3WN-X0607N40
歐姆龍
近年來,隨著國內(nèi)外大批的太陽能光伏電站的建立和并網(wǎng)發(fā)電,作為光伏發(fā)電的關(guān)鍵設(shè)備光伏并網(wǎng)逆變器具有廣闊的市場前景。
本文主要介紹WEINVIEW觸摸屏在太陽能光伏并網(wǎng)逆變器中的應(yīng)用,在這個系統(tǒng)中,觸摸屏和逆變控制器通信,完成相關(guān)的數(shù)據(jù)采集,資料的保存,報警信息的登錄,圖文并茂顯示逆變器運行參數(shù)和實時狀態(tài),并通過485或以太網(wǎng)和上位計算機進行遠(yuǎn)程通訊,實現(xiàn)整個并網(wǎng)電站的實時監(jiān)控和調(diào)配。
關(guān)鍵詞:光伏 逆變器 觸摸屏 DSP
1 引言
隨著全球經(jīng)濟的迅猛發(fā)展,各行業(yè)能耗加劇,石油、煤炭等傳統(tǒng)化石能源日趨枯竭。世界各國都把目光投向了可再生能源,希望可再生能源改變?nèi)祟惖哪茉唇Y(jié)構(gòu),維持長遠(yuǎn)的可持續(xù)發(fā)展。在可再生能源中,太陽能以其獨有的優(yōu)勢而成為人們關(guān)注的焦點。太陽能是取之不盡、用之不竭、無污染的綠色能源。世界各國都在投入巨資建設(shè)大規(guī)模的太陽能發(fā)電站。我國在光伏研究和產(chǎn)業(yè)方面也取得了較快的進展,2006年1月1日實施的《可再生能源法》,標(biāo)志著太陽能發(fā)電已納入我國的能源發(fā)展規(guī)劃之中。根據(jù)2007年9月發(fā)布的《可再生能源中長期發(fā)展規(guī)劃》,2020年,我國太陽能發(fā)電設(shè)備累計裝機容量將達(dá)到2000MW 。
太陽能光伏并網(wǎng)逆變器是整個光伏發(fā)電系統(tǒng)中最為關(guān)鍵的設(shè)備之一,它是把太陽能電池板產(chǎn)生的直流電能轉(zhuǎn)換為交流電能的設(shè)備,運行過程中需要多個參數(shù)進行監(jiān)測、計算、顯示、記錄、保存、報警等處理,需要和上位計算機、逆變控制器、無線GPRS模塊進行通訊,實現(xiàn)數(shù)據(jù)交換。本文主要講述WEINVIEW觸摸屏在太陽能光伏并網(wǎng)逆變器中的應(yīng)用。
2 系統(tǒng)原理和方案設(shè)計
太陽能光伏并網(wǎng)逆變器是把太陽能電池板通過光伏效應(yīng)產(chǎn)生的直流電能進行逆變,轉(zhuǎn)換成同電網(wǎng)同頻率、同相位的交流電,接入電網(wǎng)對外進行輸電。逆變器運行中要把測量的實時參數(shù)送給觸摸屏,進行顯示、記錄等操作,也可和上位機通訊進行遠(yuǎn)程監(jiān)控功能。系統(tǒng)結(jié)構(gòu)圖如下圖所示:
圖1 系統(tǒng)結(jié)構(gòu)圖
3 WEINVIEW畫面設(shè)計要求
本系統(tǒng)采用WEINVIEW MT8100I型號觸摸屏,高品質(zhì)10寸寬屏設(shè)計,LED背光模組;采用400MHz RISC CPU,使運行速度更快;內(nèi)置電源隔離保護器,提高了產(chǎn)品的抗干擾能力,適應(yīng)復(fù)雜環(huán)境下運行;多種標(biāo)準(zhǔn)的通訊接口和網(wǎng)絡(luò)協(xié)議,方便用戶使用;大容量的數(shù)據(jù)存儲功能,并且可以直接存儲或備份到U盤、SD卡或上位機上,滿足逆變器運行過程中產(chǎn)生的海量數(shù)據(jù)信息。
3.1 觸摸屏主界面設(shè)計
主界面顯示逆變器運行的各種運行參數(shù):PV電壓、PV電流、A、B、C三項交流電壓和電流、功率因數(shù)、電網(wǎng)頻率、輸出功率、日發(fā)電量、總發(fā)電量、CO2減排量等,逆變器運行狀態(tài)指示,實時時間,以及其他操作菜單。下圖分別是主界面的中英文顯示菜單。
超微C2SBX
PCA-6108
FA815E
AX2-5300FB-2S
PT630-NRM
1492-RCDA4C40S Residual Current Device 40 A
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軟啟動器 3RW44582BC36
CBL-HSLK-12-RA Serial cable with right angle connector for Operator Interface Panel connected to IMC or Target controller. 12 feet
GF-2513RS-15 Connecting FlashCable to Accu-Rite, Ametek, Chatillon, Metronics, Mett ler, Panametrics (Cable is 25 pin Male and is designed for devices tha t transmit on Pin 3) - 15 ft.
IC200UDD112 14 point PLC,(8) 12VDC In, (6) 12VDC Out at 0.70 A, 12VDC Power Suppl y
IC646TPD915 ProServer 1,500 I/O Point Development System
IC647OPCM OPC:OPC Client Driver
IC693ALG392 High Density Analog Output (8 Channels) voltage and current.
IC752DPH003RR Datapanel H with Advanced software, 640x200 LCD with CCFT backlight. Text, bitmaps, bar graphs, real time clock. With Real Time Trends & Ho st Communications.
IC800VMMCONP002 VersaMotion motor power and brake connector (200 W to 750 W models)
SLC/1746 System 1747-KE DH-485/RS-232C INTERFACE MODULE
Industrial Computers 6186-M15SS VERSAVIEW 15 INCH MONITOR, TEMPERED GLASS
Application-specific products 1404-M405B-000 MASTER MODULE - PQ24V POWER SUPPLY
Operator Interface 2711-T6C1L1 PV600 COLOR TOUCH, RIO & RS232 PRINT
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DeviceNet Products 1734-TB3Q10 TEN 12-POSITION IP20 SCREW TERMINAL BASES
RSI Software Products 9301-2SE3200KOU1 RSVIEW32 RUNTIME 150-300 UPGRADE IN-SUPT (KO)
RSI Software Products 9358-BPCNT30U1 UPGRADE: IN-SUPT: RSBATCH PC-BASED 03 TO 30
Motion Control MPL-B4520P-MK24AA MOTOR,SERVO,6.1 NM,5000RPM,MULTI,460V,BRK
Motion Control 2090-SCNP5-0 SERCOS FBR CABL,CONN,HARSH DUTY,JKT,PLASTIC,5.0M
GFK-1866 S2K Series Servo Amplifier User's Manual
IC646MDE300 Logic Developer - PC & View (HRT) 300 Tag Runtime & Development System
MTR-1221-E-D-E-0 Stepping Motor Nema23, Series Wdg, Encoder
QPI3D200E2P 9 inch Monochrome EL/ TCP Label/ 24VDC/ UL/ cUL/ CE/ UL1604
20BC030A3AYNACC0 PowerFlex 700 AC Drive 30 A at 15 kW 20B
20F11NC011JA0NNNNN PowerFlex 753 AC Packaged Drive
21G1ABD740AN2NNNNN-ND-L1-P5 PowerFlex Air Cooled 755 Packaged Drive
2711P-RFK10 PanelView Plus Accessory
280E-FN-25-R ArmorStart Direct Online Starter
C200HW-BC101-V1 主機板?可安裝10個I/O單元
PCI-1713 12BIT,100KHz,32ch A/D采集卡,光電隔離,PCI 總線
PCI-6515
PIA-671DV
SHB-890
DPS-1000EB
486LCD/s
IMAGING AMV7608
1492-L4-B IEC Term Blck 6.1x62x35.7mm Spr Clp
1494C-DJ622-A5-B2 200 A Flange Mtd Cable Switch
軟啟動器 3RW44273BC44
BC647OEM0400 OEM Edge Program - Historian (Approval Required)
GC647NXM000 Proficy GlobalCare Complete for Tracker Order Execution Management
IC200MDD841 Mixed 24VDC POS LOG b group 20 point / output 24VDC output 12 point. supports high speed counter/PWM/PT
IC646NMF000 Mitcubishi FX Series Front Port OPC Server
IC647LWNC LWM:i.Lon1000 Internet Server
IC670MDL930 Relay 2A, 8 Point, 6 Form A/2 Form C, Isolated
IC697MDL652CA 12 Vdc Input, Positive/Negative Logic (32 Points) Conbal coated.
IC800SLMCONKITV Connector kit for 1 kW to 2.5 kW S-series servo motors without brake
ControlLogix/1756 System 1756-PH75 90-143VDC POWER SUPPLY (5V @ 13A)
Industrial Computers 6182H-12TRH6D VVCE 1250, TOUCH, STD MEM, RIO/DH, DC
Process Control 1757-PFBUPG065 PROFIBUS LIC UPG 65 IOMS
Operator Interface 2711P-ST12K PANELVIEW PLUS 1250 KEYPAD STARTER KIT
Support 9361-JBOXR SUPT REINSTATEMENT CONTRACT FOR 9361JBOX