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CS1W-AT134
歐姆龍
近年來,隨著國(guó)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(chǎng)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(gè)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(bào)警信息的登錄,圖文并茂顯示逆變器運(yùn)行參數(shù)和實(shí)時(shí)狀態(tài),并通過485或以太網(wǎng)和上位計(jì)算機(jī)進(jìn)行遠(yuǎn)程通訊,實(shí)現(xiàn)整個(gè)并網(wǎng)電站的實(shí)時(shí)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(guó)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(zhǎng)遠(yuǎn)的可持續(xù)發(fā)展。在可再生能源中,太陽能以其獨(dú)有的優(yōu)勢(shì)而成為人們關(guān)注的焦點(diǎn)。太陽能是取之不盡、用之不竭、無污染的綠色能源。世界各國(guó)都在投入巨資建設(shè)大規(guī)模的太陽能發(fā)電站。我國(guó)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(shí)施的《可再生能源法》,標(biāo)志著太陽能發(fā)電已納入我國(guó)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(zhǎng)期發(fā)展規(guī)劃》,2020年,我國(guó)太陽能發(fā)電設(shè)備累計(jì)裝機(jī)容量將達(dá)到2000MW 。
太陽能光伏并網(wǎng)逆變器是整個(gè)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(gè)參數(shù)進(jìn)行監(jiān)測(cè)、計(jì)算、顯示、記錄、保存、報(bào)警等處理,需要和上位計(jì)算機(jī)、逆變控制器、無線GPRS模塊進(jìn)行通訊,實(shí)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(jì)
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(duì)外進(jìn)行輸電。逆變器運(yùn)行中要把測(cè)量的實(shí)時(shí)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(jì)要求
本系統(tǒng)采用WEINVIEW MT8100I型號(hào)觸摸屏,高品質(zhì)10寸寬屏設(shè)計(jì),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(chǔ)功能,并且可以直接存儲(chǔ)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(jì)
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(xiàng)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(shí)時(shí)時(shí)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。
Distributed I/O 1790P-T4T0 PROFIBUS,4 INPUT THERMOCOUPLE BASE, TERMINAL BLOCK
Application-specific products 1803-EEM12E4 EEM,16 PULSES,24V DC, 16 ANALOG,4 TO 20 MA, NEMA 4
Operator Interface 2711-M3A19L1 PV300MICRO MONOCHROME, RS232 (DH485)
Operator Interface 2706-PRIOK REMOTE I/O COMMUNICATION MODULE FOR 2706-P7X & P9X
Support 9304-WVR256R SUPT REINSTATEMENT CONTRACT FOR 9304WVR256
Support 9380-RSBAR250S SUPT RENEWAL CONTRACT FOR 9380RSBAR250
Support F1785-L60BSERC FIRMWARE UPGRADE FOR 1785-L60B PLC5 PROCESSOR MODU
RSI Software Products 9301-2SE2500KOU2 RSVIEW32 WORKS 1500-100K UPGRADE IN-SUPT (KO)
RSI Software Products 9301-2SE350DEU3R RSVIEW32 RUNTIME 300-100K UPGRADE OUT-SUPT (DE)
RSI Software Products 9358-HSTS2350 RSBIZWARE HISTORIAN SERVER - 5K TAG LIMIT
Motion Control W-4050-P-H00AA MOTOR,SERVO,WASHDOWN,AF,5.4 NM,3000RPM,14.1KG
612A-FT-SI NUMERIC KEYPAD ENTRY, 4 DIGIT LED DISP., FULL TRAVEL KEYS, SINKING OUTPUTS, NEMA 12
IC200MDD842 MIXED 24VDC POS LOG OUTPUT 0.5A GRP WITH ESCP 16PT / INPUT GRP 16PT
IC695STK001 RX3i Power PACkage 1 Starter Kit includes RX3i with software. (includesRX3i with software. (includes one each IC695CPU310, IC695CHS012, IC695LRE001, IC695PSA040, IC695ETM001, IC694ACC300, IC694MDL940 and IC646MPP001.)
MTR-1220-E-D-E-0RR Stepping Motor Nema23 Encoder
Z44A718031-G03 Alpha i-series servo bus bar kit for 90 mm wide module
20BD077A0AYNANC0 PowerFlex 700 AC Drive 77 A 60 Hp 20B
20G11NC015JA0NNNNN PowerFlex 755 AC Packaged Drive
22F-B017N103 PowerFlex 4M- 3.7 kW (5 HP) AC Drive
990NAD23000 Quantum MB+ TAP接頭
29220-901-03-R M10 RD HD SQ NECK CARR. BOLT
PTF08A-E 導(dǎo)軌安裝型,LY2J,LY2NJ
1756-OB32 24VDC?32點(diǎn)輸出模塊
PXIe-5450
DAQ-3614
ETX-PM 18008-0000-10-1
PCI-1620
SBC86822
PI-64L(PC)
1492-PDE1C112 200 A Enclosed Power Distribution Block
數(shù)字量輸入/輸出模塊 6ES7421-1EL00-0AA0 DI/32 120V AC,浮點(diǎn)式
2097-V32PR4 Kinetix 300 Servo Drive
ET-GT-3ES-3ST 2 RJ45 Ports, 1 Singlemode Fiber Port Ethernet Switch
GFK-1918 CIMPLICITY Machine Edition Logic Developer-PLC Getting Started guide
IC220MDD850 INPUT, THERMISTOR, 1 PT (REQUIRES 1 IC220TBK061)
IC647CTRAN1 Trane Tracer XT Micro cooling plant bundle - For ordering by Trane Only
IC647PSF200 Proficy Process Systems 2000 I/O with iFIX
IC693MDL240CA Conbal Coated Input module 120 VAC 16 points
IC756CDV000K-97 DV Development - Compaq True64 Op Sys, Korean, Version 9.7
MSI-MGMT-SV Production Management Server Software
PLC-5/1771 System 1785-L46B PROTECTED PLC-5/40 CONTROLLER, 48K WORD SRAM
Distributed I/O 1738-ADNX DEVICENET EXPANSION ADAPTER
Communications 1770-KFC15 SERIAL/PARALLEL INTERFACE CARD
Operator Interface 2711-NR6K 19" RACK MOUNT KIT FOR 1000/1000E KEYPAD TERMINALS
Support 9304-WVD300S SUPT RENEWAL CONTRACT FOR 9304WVD300
Support 9324-RLD25U6ITE RSLOGIX 5000 LITE ITALIAN TO FULL UPGRADE
DeviceNet Products 2711-K5A10L3 PV550 MONOCHROME KEY, DNET & RS232 PRINT
RSI Software Products 9301-2SE335PTU3R RSVIEW32 RUNTIME 1500-5K UPGRADE OUT-SUPT (PT)
RSI Software Products 9371-EDESI2U4 UPGRADE: IN-SUPT: RSWIRE DET IEC STD TO DES IEC/A
Motion Control MPG-B025-031S24 MOTOR,SERVO,GEAR RATIO 31,100NM,156RPM,SINGL,BRK
Silver Series 2711-T14C14 PV1400 COLOR TOUCH, MBUS & RS232 PRINT
HE693STP111 same as STP110E w/optical isolation, independent accel/decel
IC670MDL330 12 - 120Vac 16 Point 1A Output
QPJ2D100L2P/S QUICKPANEL JR. MONO 5" WITH EPOXY SEAL
ST-7511 STXi 24VDC Expansion power module 5 VDC booster , 1 amp , with module ID type with LED
20BC2P1A0AYNAND0 PowerFlex 700 AC Drive 20B
20F1ANC367AA0NNNNN PowerFlex 753 AC Packaged Drive
22B-B2P3F104 PowerFlex 40 0.4 kW (0.5 Hp) AC Drive
140DAO84220C Quantum 開關(guān)量AC輸出,16點(diǎn),24-48VAC,4組隔離,CC
284D-FVD7P6B-25-RRN-3-DB-SB-EMI DeviceNet Variable Frequency Drive