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daystar multi-tracers 多通道i-v測量儀，測試穩(wěn)定、測試精度高，可同時對多達16個（可配置更多）組件進行監(jiān)測、分析、對比，是光伏系統(tǒng)，光伏組件性能分析的必備工具。測試容量有多款型號可選選：能同時監(jiān)控16（可配置更多）塊pv組件，四線制電壓測量方式；56個熱電偶（組件溫度監(jiān)控）輸入端口；8個電壓輸入端口；并且該款設備還可根據(jù)客戶要求進行定制，可擴充將通道數(shù)增至32通道、48通道，測試容量也能按照客戶要求進行定制。

daystar戶外多通道iv測試系統(tǒng)multi-tracer設備特點

daystar multi-tracer characteristics

* offers a complete solution for long-term testing of pv modules.

為pv組件長期戶外測試提供了完整的解決方案。

* reliable, accurate, low maintenance requirements - daystar has been selling multi-tracers for 10 years.

daystar銷售多通道戶外iv測試儀已超過10年，實際案例證明了daystar 多通道m(xù)ulti-tracer產(chǎn)品穩(wěn)定、精確、低維修率。筆者注：美國daystar公司專注戶外iv測試設備的研究開發(fā)超過23年，他們最_早開發(fā)單通道戶外iv測試儀ds-100c，他們20多年來只做戶外iv測試設備。

* individual control of up to 16 pv modules (expandable).

單臺控制器可同時控制16個組件，并可根據(jù)客戶要求對通道數(shù)進行擴展，如32通道戶外iv測試儀。

* peak power tracking【敏感詞】constant voltage operation; iv curves at scheduled intervals.

可實現(xiàn)對工作pv組件的最_大_功率點的追蹤測試，或者在恒壓工作模式下，按照設計的自動測試間隔要求對iv曲線進行測量繪制。

* can measure positive grounded, negative grounded,【敏感詞】floating pv sources.

可以測試正極接地、負極接地，或者浮動光伏系統(tǒng)的iv測量。

* two-decade current ranges, accuracy ~0.2％

20個可選測量電流檔位，精度達~0.2％

* three-decade voltage ranges, accuracy ~0.2％.

30個可選測量電壓檔位，精度達~0.2％

* 3200 watt【敏感詞】2400 watt units available (expandable).

功率測試范圍分別為3200w和2400w兩檔，也可按客戶要求進行擴充。

* base multi-tracer includes 24 thermocouple inputs, type t standard.

multi-tracer的熱電偶輸入端口基本配置為24個，t型。

* 4-wire kelvin load pv connection to measure voltage.

四線開爾文方式測電壓

* on-board data storage. ftp file transfer.

現(xiàn)場數(shù)據(jù)存儲，ftp文件格式傳輸

* universal ac power 85/264 vac, 50/60hz.

可使用常規(guī)的交流電源85/264 vac, 50/60hz

* operated on ethernet local area network.

可通過當?shù)氐囊蛱鼐W(wǎng)進行遠程操作

* base multi-tracer has 8 analog voltage inputs; auto-scaling 4 decades to ±5 volts.

multi-tracer有8個電壓接入端口，

* voltage, current, irradiance【敏感詞】temperature are saved for each module.

可完成對每個pv組件電壓、電流、輻照度和溫度進行測量，并對數(shù)據(jù)進行保存。

daystar multi-tracer software capabilities

* user communications through firefox browser.

用戶可通過火狐瀏覽器進行通訊。

* extensive help menu

強大_的幫助菜單功能，幫助客戶快速掌握設備的操作。

* data files retrieved with ftp client software.

數(shù)據(jù)文件可通過ftp軟件實現(xiàn)

* daily mtd data file with averaged data for each module plus weather data.

daily mtd文件可自動對每個組件每天的數(shù)據(jù)進行一個平均，再加上天氣數(shù)據(jù)。

* iv curves data file in xml format.

iv曲線的數(shù)據(jù)以xml的格式進行存儲

* data analysis including iv curve normalization with ivpc software.

通過ivpc數(shù)據(jù)分析軟件，可對iv數(shù)據(jù)及曲線進行標準化處理，將現(xiàn)場測試數(shù)據(jù)轉換為標準狀態(tài)（stc）下的測試數(shù)據(jù)，轉換參照的方法有三種標準供選擇，如approximation, astm-e1036-93,【敏感詞】astm-e1036-96.保證了轉換結果的正確性。

multi-tracer software 操作體驗

daystar mt5 multi-tracers are designed to be integrated into any ethernet network. common browser software such as firefox may be used to setup the multi-tracer【敏感詞】access data. data files are collected using ftp software. all data collection routines, timing, averaging,【敏感詞】storing data, are "on-board" the unit which will retain several weeks of collected data depending on the averaging【敏感詞】number of iv curves specified by the user. however, we recommend data be collected periodically (daily)【敏感詞】stored/backed up for security. a example of the multi-tracer browser interface is available here

a separate file is created for each days data. averaged values for all channel【敏感詞】auxiliary input data are stored in this file. users may view the data from any computer having access privileges to the network.