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471-E-1D
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(yùn)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(jī)進(jìn)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(jì)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(jìn)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(jī)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(yùn)行過程中需要多個參數(shù)進(jìn)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(jī)、逆變控制器、無線GPRS模塊進(jìn)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(jìn)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(jìn)行輸電。逆變器運(yùn)行中要把測量的實時參數(shù)送給觸摸屏,進(jìn)行顯示、記錄等操作,也可和上位機(jī)通訊進(jìn)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(yùn)行速度更快;內(nèi)置電源隔離保護(hù)器,提高了產(chǎn)品的抗干擾能力,適應(yīng)復(fù)雜環(huán)境下運(yùn)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(jī)上,滿足逆變器運(yùn)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(yùn)行的各種運(yùn)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(yùn)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。
Operator Interface 9399-PWRGR RSPOWER GETTING RESULTS GUIDE
Support 9301-2SE3400ESS SUPT RENEWAL CONTRACT FOR 93012SE3400ES
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Motion Control 9101-0399 CONNECTOR KIT, MOTOR POWER, F/H-4X, 90 DEG
BC5005TAN0000 15 Inch Inbligence Industrial Computer - Bundled - Standard Series - w/ Windows NT
IC300CBL300 Programming cable for Color-Touch OCS. 6' cable, with RJ-45 connector on one end, & DB9 adapter on other end
IC752DVT240 VT100 firmware on DataPanel 240 allows DataPanel with touch screen capability to be used as standard terminal
MTR-3S43-H-R-B-C-0RR Servo Motor Nema56C 24V Brake
ZA06B-6089-H713 External regeneration resistor with fan rated 16 ohm 800 Watt for Alpha SVU1-80 amplifier
20BF082A0ANNANC0 PowerFlex 700 AC Drive 82 A 75 kW 20B
20G14TC770AN0NNNNN PowerFlex 755 AC Packaged Drive
25184-251-05-R FUSE: 15A/600V/HRCI-J
2711P-T10C22A9P PanelView Plus 7 Graphic Terminal
FRN 7 5P11S-4CX 114KVA 150A 75KW 3相AC380V/50Hz/60Hz
AR22EOL-11E4R(G,Y,W) 帶燈按鈕開關(guān)DC24V/AC24V 一開一閉
ATS48D17Q 17A
SCC-AI01
PCI-1733
IFRP-532NF
CQ04APC.2 CQ05APC
PCI-7031
MK620-PUC224
1492-SPM1B150-N MCB Supplementary Protector 15 A
直流電源 6EP1333-2AA01 120/230VAC 輸入,24VDC/5A 輸出
20AC015A3AYNAEC0 PowerFlex 70 AC Drive 20A
GA647TPD915 Proficy GlobalCare Assist for CIMPLICITY HMI ProServer 1500 I/O Development and Runtime System
GP647IFPRSR00300 GCP iFIX Profsnl SCADA 300 I/O Srv
IC600CB511RR 16K Register Memory Module (for use in Model 600 or 6000)
IC647HSTCS40KM Historian Enterprise Corporate Server 40000 Points (M4 Key)
IC647TSSRV010 Proficy Troubleshooter 10 User Server License
IC693PWR331 Power Supply, 24 Vdc, High Capacity. Battery not included. Battery is now included in the CPU backplane box.
IC756RDV000E-98 DV Development - Irix Op Sys, English, Version 9.8
MicroLogix 1000/1761 System D1761-UM006DENP MICROLOGIX ETHERNET INTERFACE USER MANUAL
PLC-5/1771 System 1771-OFE2 ANALOG OUTPUT MODULE
Distributed I/O 1794-ASB REMOTE I/O ADAPTER W/24V DC POWER SUPPLY
Communications 9355-WAB1END RSLINX 1.7 FOR AB
Operator Interface D6190-6.5.5DE CONTROLVIEW A-B DRIVERS USER MANUAL (GERMAN)
Support 9358-BBKEY03S SUPT RENEWAL CONTRACT FOR 9358BNTK03ENE
Support 9392-SWC SOFTWARE CONNECTION MAGAZINE (12 MONTHS)
RSI Software Products 9324-RL01U3ESE UPGRADE: IN-SUPT: SPANISH RS500 STARTER TO RS500
RSI Software Products 9301-2SE3500ZHE RSVIEW32 RUNTIME 100K (CHINESE)
RSI Software Products 9356-STD2350U2R UPGRADE: OUT-SUPT: RSSQL STD 300 TO STD 5000 TAG
Motion Control Y-1003-2-H04AA MOTOR,SERVO,0.35 NM,4500RPM,ENCDR,230V,BRK,1.2KG
510-1000-041 POWER SUPPLY 24VDC 2AMP
IC200CPU001LT CPU 12K USER PROG 1.80MSEC/K BOOLEAN ONE RS232 AND ONE RS485 SERIAL PORTS (LT)
IC694MDL930 OUTPUT MODULE RELAY 4AMP 8 POINT ISOLATED
MSI-WEB-25-43 Web or Excel Reping Clients 25 Pack-43
VSPCSE-IMP10 VisualSPC SE Importer, 10 license pack.
20BD052A3AYNAEC0 PowerFlex 700 AC Drive 52 A 40 Hp 20B
20G11LC910AN0NNNNN PowerFlex 755 AC Packaged Drive
22D-E3P0H204 PowerFlex 40P 1.5 kW (2 Hp) AC Drive
Quantum Communication Accessories 網(wǎng)絡(luò)通訊及附件
291D-FAZ-G1-3FR Direct Online Reversing Starte
MK4NJ-CR NEW 220VAC,有阻容吸收回路,4開4閉,觸點5A 中國制
1756-A4 4槽機(jī)架
PXIe-4339