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EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7

Pg. 49

3. Irradiance vs. Parameter (Pm

、

Voc

、

Isc

、

FF) Graphs

When multiple measurements are taken with same measurement conditions in one day by continuous

measurement, graphs with Pm, Voc, Isc, and FF against solar irradiance can be displayed by selecting [Irr vs

Parm Graph] from Data Menu screen using Up/Down buttons.

Ｉ

Voc

Irr

Irr vs Voc

Irr vs. Voc Graph

Isc

Irr

Irr vs Isc

Irr vs. Isc Graph

Irr

Irr vs Pm

Irr vs. Pm Graph

Irr

Irr vs FF

Irr vs. FF Graph

Содержание MP-11

Страница 1: ......

Страница 2: ...Setting 17 6 MP 11 Applications 20 6 1 Case by Case Applications for MP 11 20 7 I V Curve shape and possible cause 34 7 1 I V curve shape and possible cause 34 8 MP 11 Operation 36 8 1 MP 11 Key Opera...

Страница 3: ...Tel 31 0 70 3050117 Fax 31 0 70 3840607 North America Region www eko usa com info eko usa com EKO INSTRUMENTS USA Inc 95 South Market Street Suite 300 San Jose CA 95113 USA Tel 1 408 977 7751 Fax 1 4...

Страница 4: ...ection points Disposing of this product correctly will help save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inap...

Страница 5: ...s in conformity with the following harmonized standards of other normative documents Harmonized standards EN 61326 1 2006 Class A Emission EN 61326 1 2006 Immunity EN 61000 4 2 EN 61000 4 3 EN 61000 4...

Страница 6: ...DC adapter which is assigned to the MP 11 Using other types of power adapters will cause potential risk for damage EKO will NOT take responsibilities in case of damage or accidents occurrence with use...

Страница 7: ...conductive rubber gloves boots etc for protection from electric shocks during operation Be aware of any potential risks for electric shock When connecting electric cables to and disconnecting from th...

Страница 8: ...rated high precision pyranometer which is based on a Si Photodiode and data logger to store the measured data of the internal or external sensor and 2 temperature sensors It is used to measure the sol...

Страница 9: ...in data logger it can be separated from the Main Unit regardless the distance between MP 11 main unit and best location to perform the radiation and module temperature measurements The Solar irradian...

Страница 10: ...ime The MP 11 perfectly measures the PV module performance 7 Characteristics Graph Display LCD on the Main Unit is capable of displaying the following characteristics graphs It is useful for diagnosin...

Страница 11: ...in Unit PC Communication 4 T type Thermocouple 2 3m 5 Battery Receptacle Box 1 8pcs AA 6 Fixing Plate for Battery Receptacle Box 1 7 Shoulder Strap 1 12 AC Adapter 1 AC100 240 12V1 0A 9 Accessory Carr...

Страница 12: ...ries Included in the MP 11 Package 5 Thermocouple 2ea 1 PV Probe Alligator Clips 2 Earth Cable 3 Sensor Unit Cable 4 USB Cable 6 Battery Receptacle Box 7 Fixing Plate for Battery Receptacle Box 9 AC a...

Страница 13: ...ons are described below 1 Main Unit Figure 5 1 Main Unit Parts Name and Functions Main Unit Front Main Unit Rear Panel 5 Keyboard Opened Main Unit 1 Main Unit Cover 4 LCD Display 3 Rear Panel 2 Cushio...

Страница 14: ...ay Displays the operation menu and measurement results 5 Key Board Operations such entering parameters and starting measurements are done from this key board 6 Modular Jacks Used for the communication...

Страница 15: ...icates low battery condition 7 Angle Adjustment Screws Loosen this screw to make angle adjustment for the sensor unit Tighten the screw once the angle position is determined 8 Modular Jack Used for th...

Страница 16: ...with this unit use the charger attached to this instrument Do not use new batteries old batteries and different types of batteries mixed together Do not leave batteries inside the battery receptacle b...

Страница 17: ...h maximum rating voltage of 1000V and maximum rating current of 30A in the maximum power range of 18kW The system configuration is shown as below Figure 5 5 System Configuration Disconnect Power Contr...

Страница 18: ...temperature exceeds more than 50 measurements cannot be taken Once the internal temperature decreases below 45 MP 11 becomes operable by pressing the power button again 1 Main Unit Connection 1 Power...

Страница 19: ...ries If the battery power is low Sensor Unit may restart when modular cable is connected disconnected or Main Power is powered ON OFF There is no effect to the data saving and data loading functions h...

Страница 20: ...ble for external pyranometer reference cell to their terminal block to the terminal block on the back of Sensor Unit c At last turn ON the Sensor Unit power Follow 8 4 Setting Menu to setup the parame...

Страница 21: ...ples Following information are provided in the each application case use this section for reviewing the overall configuration of system and task flow as well as for indexing the details for each measu...

Страница 22: ...ubjected for measurement from the relating devices such as power conditioner 3 1 3 2 2 Ground the MP 11 with grounding cable 5 3 3 Turn ON the MP 11 Main Unit power 8 2 4 As the power turned ON connec...

Страница 23: ...should be setup with INT 5 3 3 Connect thermocouple cables to the Sensor Unit and setup the other end of thermocouple cable at the measuring position 5 3 4 Connect the Sensor Unit to the Main Unit 5 3...

Страница 24: ...8 6 17 Disconnect the PV module array from MP 11 while the power is still turned ON 3 1 3 2 18 Turn the MP 11 Main Unit power OFF 8 2 19 Turn the Sensor Unit power OFF 5 3 20 Disconnect the thermocoup...

Страница 25: ...d to take measurement from the relating devices such as power conditioner completely 3 1 3 2 2 Set the switch on the Sensor Unit rear panel to EXT position 5 3 3 Connect thermocouple cables to the Sen...

Страница 26: ...15 Disconnect the PV module array from MP 11 while the power is still turned ON 3 1 3 2 16 Turn the MP 11 Main Unit power OFF 8 2 17 Turn the Sensor Unit power OFF 5 3 18 Disconnect the thermocouple c...

Страница 27: ...Sections 1 Connect MP 11 Main Unit to PC with USB cable 5 3 2 Turn the MP 11 Main Unit power ON 8 2 3 Turn ON the PC and startup the MP 11 I V Checker Software 9 3 4 Setup the communication port betw...

Страница 28: ...D PC Installed with MP 11 Software Procedure Reference Sections 1 Connect MP 11 Main Unit to PC with USB cable 5 3 2 Turn the MP 11 Main Unit power ON 8 2 3 Turn ON the PC and startup the MP 11 I V C...

Страница 29: ...e array which is subjected to take measurement from the relating devices such as power conditioner completely 3 1 3 2 2 Ground the MP 11 Main Unit with grounding cable 5 3 3 Turn ON the PC and startup...

Страница 30: ...the grounding cable from MP 11 Main Unit 5 3 15 Disconnect the MP 11 Main Unit from the PC 5 3 16 Exit the MP 11 I V Checker Software and shut down the PC 9 3 17 Reconnect the power conditioner and ot...

Страница 31: ...s such as power conditioner completely 3 1 3 2 2 Check the switch on the Sensor Unit rear panel it should be setup with INT 5 3 3 Connect thermocouple cables to the Sensor Unit and setup the other end...

Страница 32: ...9 3 19 Disconnect the PV module array from MP 11 while the power is still turned ON 3 1 3 2 20 Turn the MP 11 Main Unit power OFF 8 2 21 Turn the Sensor Unit power OFF 5 3 22 Disconnect the thermocoup...

Страница 33: ...able 12 K PC Installed with MP 11 Software Not included in the MP 11 package Procedure Reference Sections 1 Disconnect the PV module array which is subjected to take measurement from the relating devi...

Страница 34: ...m MP 11 while the power is still turned ON 3 1 3 2 18 Turn the MP 11 Main Unit power OFF 8 2 19 Turn the Sensor Unit power OFF 5 3 20 Disconnect the thermocouple cables from the Sensor Unit 5 3 21 Dis...

Страница 35: ...o on This chapter shows some examples of I V curve shape and suggestions of possible cause Note Suggestions shows possible cause only There are other reasons that cause a particular I V shape 7 1 I V...

Страница 36: ...rface A few hotspots on module Variation of module performance such as Isc mismatch in a couple of modules in a string 6 Unexpected shape with missing between Voc and around Pm One module or a few mod...

Страница 37: ...nction when pressed on Main Menu Display Left Right Buttons Used when selecting parameters and moving the zoomed up display screen ENTER Button Used when going forward with the process and determining...

Страница 38: ...Unit when the Main Unit is powered ON If the Sensor Unit is not connected to the Main Unit or Sensor Unit power is not turned ON even though it is connected to the Main Unit the Powering on Sensor uni...

Страница 39: ...Running NOTE Always make sure the there is no messages displayed on the LCD display after powering OFF 8 3 Main Menu Monitoring Screen 1 Main Menu Screen After the Start Screen Main Menu screen appear...

Страница 40: ...ensor Unit is not connected the irradiance and temperature are indicated as 0 00 W m 2 0 0 and 0 0 DATE Date YYYY MM DD TIME Current time Irradiance According to the internal pyranometer external pyra...

Страница 41: ...Right buttons Voltage Range Setting Voltage Range 100V 600V 1000V AUTO Default setting AUTO Current Range Setting Current Range 2A 10A 30A AUTO Default setting AUTO 2 Measurement Parameter Setting Me...

Страница 42: ...cision measurements set the parameters with the values provided on the catalog for the modules which to be measured B Sensor Unit Options In the next screen on Sensor Unit Option screen determine whet...

Страница 43: ...alculation Reference Cell Current Value mA kW m 2 0 1 For Example when connecting a reference cell which flows 125mA at 1kW m2 it will generate the following amount of voltage 125mA 0 1 12 5mV Therefo...

Страница 44: ...parameter saving message appears as shown on the left and the parameter is saved NOTE However the parameter will not be saved in the parameter list if the Sensor Unit is not used and selected NO for...

Страница 45: ...ystem During the auto measurement the power auto off function will not be effective even if the Battery Receptacle Box is in use The measurement data are saved sequentially from 0 zero to 300 in the M...

Страница 46: ...cable Connect the Main Unit and the Sensor Unit with modular cable then turn ON the Sensor Unit power Select LOADING SENSOR DATA on the System Menu screen to download the Sensor Unit data to the Main...

Страница 47: ...PV Probe 2 Measurement Next execute the measurement by pressing the MEASURE button while the LCD screen displaying the Main Menu screen or Monitor screen Measuring Screen during the Measurement It ta...

Страница 48: ...List screen by using the Up Down buttons and press Enter button By pressing Enter button repeatedly the graphs are displayed in the following order I V Curve x axis Voltage V y axis Current A P V Cur...

Страница 49: ...his function even a subtle distraction which is difficult to see on the I V curve is emphasized and indicated clearly Measurement Information DATE YYYY MM DD TIME hh mm ss Irradiance Solar Irradiance...

Страница 50: ...ken with same measurement conditions in one day by continuous measurement graphs with Pm Voc Isc and FF against solar irradiance can be displayed by selecting Irr vs Parm Graph from Data Menu screen u...

Страница 51: ...select YES and press enter key to delete the data of the selected data number To cancel select NO Select ALL and press Enter button Erase All message appears select YES and press Enter button All data...

Страница 52: ...r both English and Japanese The software automatically determines the language used on the PC which the software is installed if the PC uses English the software is displayed in English However there...

Страница 53: ...e next step To install the software in a specific folder select the folder by clicking Change button When changing the installation folder if the operation system of the PC is Windows Vista 7 8 UAC Us...

Страница 54: ...o to the next step 7 After a while User Account Control window appears Click Yes to start the installation 8 Installation Complete window Once the installation has completed following window appears C...

Страница 55: ...2 methods to uninstall the software 1 Uninstalling the software from Control Panel Program and Function Go to Control Panel Programs Program and Function Select and right click on the program to be de...

Страница 56: ...p exe of the software to be deleted from the DC ROM Follow the instructions provided by the wizard and eventually the wizard window appears with Modify M Repair P and Remove R if the software is alrea...

Страница 57: ...on is that when the USB connector is inserted to the PC the wizard appears to process the installation Both driver softwares are included in the attached CD ROM inside USB folder Installing by EXE run...

Страница 58: ...ars Click Finish button to complete the installation There are some cases that the driver results in unsuccessful installation due to some conflicts such as older version device installer is already i...

Страница 59: ...n the following folder which is in the attached DC ROM for the original driver installation folder CDM v2 08 30 for Windows 8 1 2 Confirming Completion of USB Driver Installation 1 After the PC is res...

Страница 60: ...d is connected to a network the software cannot be installed without administrator authorization Contact network administrator as necessary If the English version software is installed in a PC which O...

Страница 61: ...nd Irr Vs Par By clicking each tab each tab display changes When the software started the Measure tab is displayed as default 1 Measure Tab On the Measure tab measurement parameter can be setup and ta...

Страница 62: ...nter values to assign the graph range 17 Main Unit FW Ver Sensor Unit FW Ver Indicate firmware versions of MP 11 Main Unit and Sensor Unit 18 Set Clock Button Synchronize the clock on the MP 11 Main U...

Страница 63: ...ect a directory folder for the data to be saved When the Browse button is clicked Browse for Folder dialog window appears Assign a directory with following function a Directory Tree Window Select a fo...

Страница 64: ...PC software to MP 11 Main Unit NOTES The parameter information uploaded by the Load Parameter File button on the Measure Tab can also be uploaded and or downloaded however the updated parameter inform...

Страница 65: ...re entered click OK button To clear all entered values click Cancel button 4 PV Module Array Temperature Setting When Temperature button is clicked below dialog window appears The PV Device Temp Temp...

Страница 66: ...ameter information the PV module array parameter information will not be reflected to MP 11 Main Unit just by clicking the Start button The parameter information must be transferred to MP 11 Main Unit...

Страница 67: ...le downloading the data the Data Load dialog window appears indicating the data loading status by counts In meantime the MP 11 Main Unit LCD screen displays as shown on the right Once the data transfe...

Страница 68: ...cted to the measurement date s are listed in this window 4 Graph Settings Check the item s to be displayed on graph Each graph line can be modified with desired color 5 Manual Graph Scale Checkbox Che...

Страница 69: ...mber to show the data for the multiple days from the selected measurement date 6 As the date setting is completed the subjected data are displayed in the Data List box 2 Graph Setting Select a data wh...

Страница 70: ...he checkboxes also check the Superimpose checkbox then click View Graph button to show the superimposed graph 4 Data Upload Erase Data uploading is to transfer the measured data into the MP 11 Main Un...

Страница 71: ...register the measurement data to a free number above 301 from the lower numbers 2 Erasing Data To delete the measurement data registered in the MP 11 Main Unit memory enter the data memory number and...

Страница 72: ...ce Data checkbox Check here to list the measurement data with irradiance lower than the threshold setup in the Reference Solar Irradiance setting 3 Data List List of data which are subjected to the me...

Страница 73: ...the Data List box for the data to be converted into text data If all data to be converted click Select All button To unselect all selected data click Clear All button 4 Enter specific characters in t...

Страница 74: ...gn the cells which to be shown on the customized report format Example To show the Time in the cell C12 set up the format sheet as TIME C12 To show graph on the report assign the displaying range by s...

Страница 75: ...t the measurement data with irradiance lower than the threshold setup in the Reference Solar Irradiance setting 3 Data List List of data which are subjected to the measurement date s are listed in thi...

Страница 76: ...ements the Irradiance W m 2 on X asis and Open Circuit Voltage Voc V on the Y axis 2 Irradiance vs Short Circuit Current Graph The changes in the open circuit current against the irradiance can be gra...

Страница 77: ...e continuous measurements the Irradiance W m 2 on X asis and Maximum Power Pm W on the Y axis 4 Irradiance vs Fill Factor Graph The changes in the fill factor F F against the irradiance can be graphed...

Страница 78: ...Generated CSV File 2007 1215 103510 001 CSV Text File Sequential number Time hhmmss Date mmdd Year Characteristics Value Text File CHARA 2007 1215 103510 CSV Text File Time hhmmss Date mmdd Year Indiv...

Страница 79: ...00463 Voltage Temp Coef V degC 0 135 Series Resistance Rs ohm 0 Curve Correction Factor Kappa ohm degC 0 Series Modules 11 Parallel Modules 1 Solar Irradiance Er W m 2 1084 70803 PV Device Temp degC...

Страница 80: ...RUMENTS CO LTD I V Curve Checker MP 11 Instruction Manual Ver 7 Pg 79 3 Characteristics Conversion Data File CSV File Conversion By selecting the Characteristics Conversion following data format is ge...

Страница 81: ...long period of time remove the batteries from the Battery Receptacle Box and place the MP 11 in a place with less humidity Insert new batteries before use 2 Sensor Unit Clean the sensor part of the in...

Страница 82: ...rity and reconnect as necessary MP 11 is not ready and at least 30 seconds interval is required between each measurement This is to prevent MP 11 from aging faster by the internal parts heating up con...

Страница 83: ...leave the MP 11 in a shaded cooler place for a while until the internal temperature cools down When restarting the measurement place the MP 11 Main Unit in a shade while it takes measurements Even if...

Страница 84: ...e beginning select this COM1 In case there are multiple COM numbers listed and there is no COM number added by inserting the USB cable reinstall the USB driver Measurement Interval Warning Message Whe...

Страница 85: ...minated Check the PV probe polarity and reconnect as necessary When Set Clock button is clicked this message appears Communication error between the MP 11 and PC software or MP 11 failure had occurred...

Страница 86: ...array are measured This condition cannot be avoided with the capacitive load method used on this I V Checker however the value for the Isc are calculated with linear approximation from the flat area o...

Страница 87: ...h the POWER button on the Main Unit is pressed When Battery Receptacle Box is used there are some cases that the power does not come ON right away after the plug is connected with the Battery Receptac...

Страница 88: ...to Range when setting up with Auto Range Measurement Accuracy Voltage Measurement Accuracy Within 1 0 of Full Scale each voltage range Current Measurement Accuracy Within 1 0 of Full Scale each curren...

Страница 89: ...easurement to the next measurement Waiting time till the next measurement is indicated in 2 steps Auto Measurement Interval Time 1 to 60minutes Time between measurement start to the next measurement s...

Страница 90: ...2 seconds to turn OFF Ten Key Alphanumeric and symbolic characters Cursor Key Menu operation Function Keys Basic Operations MEAS CONFIG DATA Enter Key Return Key Execute measurement Main Unit setting...

Страница 91: ...wer 0 5sec interval Power is getting low replace the battery 0 25 sec interval Almost no power remained Cannot communicate with Main Unit Dimensions Main Unit W230 x D320 x H180mm Sensor Unit W210 x D...

Страница 92: ...uous measurement going over the 00 00 Recommend setting up not to measure over a couple of days in Auto Measurement mode because of instability of Operation System Sensor Unit Setting Manual range mea...

Страница 93: ...ance Filtering by PV module array name Display following graphs for the data selected from the data list Irradiance Voc Irradiance Isc Irradiance Pmax Irradiance FF Other Functions Main Unit time sett...

Страница 94: ...g 93 11 3 Option Table 11 3 Option Item Content Part Number AC Conversion Plug C type 1 plug for AC Plug type conversion from A type to C type MP 11 CP C Ni mH battery charger 8 AA size batteries Incl...

Страница 95: ...EKO INSTRUMENTS CO LTD I V Curve Checker MP 11 Instruction Manual Ver 7 Pg 94 11 4 Dimensions...

Страница 96: ......

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