PPPE User Manual - Magna
Contents
1. 25 C K S 1000 Watts m View A 850 Volts lima Vmp should be less than Voc ve JA 800 Volts ES 240 Amperes B 0 4 AVC a 0 04 A JIC Figure 4 6 Reference parameters with invalid values www magna power com Magna Power Electronics Inc 9 The EN50530 standard provides technology dependent constants for the leading solar panel technologies cSi and thin film Table 4 1 Selecting one of these technologies from the Reference Parameter s Tech dropdown menu auto fills these constants as shown in Figure 4 7 Note At nominal values there is a slight offset from the reference parameters This offset can be attributed to an offset from the EN50530 model and is considered very marginal Tech Figure 4 7 Reference parameters dropdown menu for technology dependent constants col Treg Thin Film Table 4 1 Technology dependent constants from EN50530 standard cSi technology Thin film technology FFy LI 08 0 72 FF L 09 108 Co W m 2 514E 03 1 252E 03 8 593E 02 8 419E 02 4 3 Profiles A profile is a current versus voltage curve that the power supply s output should emulate There are two options for generating profiles with the Photovoltaic Power Profile Emulation software they are l Automatic based on solar array reference parameters Reference Parameters are defined in accordance with desired array For each new profile only temperature and irradiance values need to be defined As further d2. Profile Name gi jal jal el eil je Cancel Figure 4 16 Options menu 4 9 1 Graph Options The primary graph may be displayed as either current versus voltage default Figure 4 12 or power versus voltage Figure 4 13 Select the radial button next to the desired graphical display and hit confirm the selection by pressing OK to update the display The Interval parameter is the graphical x axis time parameter s display interval used in the Viewer tab This interval parameter is the time period in which each time dependent graph in the Viewer tab is updated 4 9 2 Control Options The power supply is capable of either modulating voltage as a function of current current control default or current as a function of voltage voltage control A jumper of the power supply s rear JS1 connector Figure 4 17 provides the necessary analog feedback loop necessary for the high speed computation Current Control requires creating a jumper or short between pins 5 VO2 and 25 VMOD Voltage Control requires creating a jumper or short between pins 24 IO2 and 25 VMOD on the JSI connector Both methods of control are available to accommodate various load control methodologies For voltage mode controlled loads setting the power supply to Current Control JS1 5 25 is recommended For www magna power com Magna Power Electronics Inc 21 current mode controlled loads setting the power supply to Voltage Control JS1 24 25 is re
3. Ve photovoltaic array s open circuit voltage V ie photovoltaic array s short circuit current A Vinp photovoltaic array s voltage at maximum power point V Imp photovoltaic array s current at maximum power point A T photovoltaic array temperature C lrer nominal photovoltaic array temperature C Ir photovoltaic array irradiance PV generator temperature W m IT ef nominal photovoltaic array irradiance PV generator temperature W m OL temperature coefficient for current B temperature coefficient for voltage 8 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software Reference Parameters Name 200 EW Solar Array Tech coi Ta 25 ji Trew 1000 Watts f m Ve TAD Volts CR 200 Amperes u 850 Volts Tes 240 Amperes B 0 4 SY Pee q O04 SAJD Figure 4 5 Photovoltaic array reference parameters Reference parameters may be changed at any time Automatically calculated profiles will display new parameters a new power profile on the grid and will update the graph immediately but they will not be sent to the power supply until the next time the profile is activated If the software detects any invalid parameters as illustrated in Figure 4 6 it will display an icon next to the corresponding parameter label The specification error can be displayed by holding the mouse cursor over the icon to display the error Reference Parameters Name 290 kW Solar Array Tech Cl
4. Winker Cloudy to Nominal 13 of 17 4 Parameter 820 Volts 33 Winker Cloudy to Nominal 14 of 17 L Volks 34 Winter Cloudy to Nominal 15 of 17 35 Winter Cloudy to Nominal 16 of 17 VD OF d Oh Of E Go PM 1000 watts fm 200 Amperes 22 05 196 70 826 5 190 86 533 7 184 75 635 6 175 41 543 1 171 82 a473 165 01 551 3 157 97 DO 150 73 Bog 143 26 Current I Voltage Di Export Comm RS 232 Port COM3 Active Profile Nominal Figure 4 1 Screenshot of Photovoltaic Power Profile Emulation Software s Programming Tab 6 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software Wi 290 kW Solar Array Magna Power Electronics Photovoltaic Power Profile Emulation File Tools Help Programming y Viewer Power Supply Model MTD1000 250 mW Alarms status Power TT Voltage 37 RER Active Profile Winter Sunny STOP Current 24 7 Remaining 13 el Selected Point Power Supply Output SW blanimum Power Point 200 0 400 0 Voltage Il UU E L 5 a l Voltage M Current I voltage B Minutes Minutes Minutes Comm 5 232 Port COM3 Active Profile Winter Sunny Figure 4 2 Screenshot of Photovoltaic Profile Emulation Software s Viewer Tab 4 1 Power Supply Status and Control The software s Power Supply area shown in Figure 4 3 identifies the power supply s model status measured voltage and measured current
5. and any alarms This area also shows the active profile and the remaining number of seconds before the next profile is activated Power Supply Model MTD1000 250 a Alarms Mone status ow TT voltage 285 1 Active Profile Winter Cloudy to Nominal 7 of 17 STOP Current 113 6 Remaining d Figure 4 3 Power supply status and control www magna power com Magna Power Electronics Inc 7 The START and STOP buttons turns the power supply s output on and off respectively These are equivalent to pushing the physical START and STOP buttons on the power supply The Clear Alarms button clears power supply alarms such as Over Voltage Trip OVT or Over Current Trip OCT Alarms must be cleared before the power supply s output can be reenergized The Power Supply area is not active unless the software has established communication with a power supply A valid license is required for each power supply serial number as described in Section 5 0 Figure 4 4 shows the status bar at the bottom of the main screen It provides the current communication protocol and setup such as COM port or IP address Comm R5 232 Port COM1 Active Profile Nominal Figure 4 4 Communication protocol status bar 4 2 Reference Parameters The software s Reference Parameters area Figure 4 5 allows the user to enter the solar panel s reference parameters Nominal parameters are typically supplied by the manufacturer of a photovoltaic array namely
6. select the Open Session item from the File menu or use the keyboard and type Ctrl O Browse to the folder on the computer that contains the session pppe file to be opened Select the file and select the Open button To create a new session select the New Session item from the File menu or use the keyboard and type Ctrl N To exit the software select the Exit item from the File menu or use the keyboard and type Alt F4 Alternatively select the X in the upper right corner of the application to exit the software 4 8 Viewer The Viewer tab Figure 4 15 provides a graphical view of both the voltage current profiles as well as key parameters as a function of time In clockwise order starting with the largest graph in the top left the graphical outputs are e Current Adc versus voltage Vdc profile s programmed by the user for the power supply to emulate identical to the graph on the Programming tab e Power kW versus voltage Vdc profile s programmed by the user for the power supply to emulate e Power kW versus current Adc profile s programmed by the user for the power supply to emulate e Power kW versus time min continually updated at the interval specified in the Options menu e Current Adc versus time min continually updated at the interval specified in the Options menu e Voltage Vdc versus time min continually updated at the interval specified in the Options menu www magna power com Magna Power Elec
7. 4 6 Power Profile Graph The graph displays calculated power profiles maximum power point power supply output and information about a selected data point The selected profile is displayed with its data points as dots Hovering over one of these dots highlights the corresponding point on the V I table The scale of the graph is automatically calculated based on what is being displayed Additionally the power supply s measured output is displayed as a green circle The measured power supply output is updated continuously on the graph while communicating with the power supply The power supply output is not displayed if communication is not established or it is disrupted 16 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software The selected profile s maximum power point is displayed at the X on the curve The maximum power point is not displayed for manually entered power profiles The bottom right corner of the graph displays the tracking efficiency nr This percentage is calculated as follows Power supply ouput power Nr x 100 Power at maimum power point The power profile graph can be displayed as either current versus voltage or as a power versus voltage curve as illustrated in Figure 4 12 and Figure 4 13 respectively The procedure for selection of graphical representation is described in Section 4 8 e Selected Point Power Supply Output A Maximum Power Point E g 3 oO Vol
8. Photovoltaic Power Profile Emulation Software The software is divided into the following areas Power supply status and control Section 4 1 Reference Parameters Section 4 2 Profiles Section 4 3 Profile Parameters Section 4 4 Power Profile Data Points Section 4 4 3 Power Profile Graph Section 4 6 Viewer Tab Section 4 8 AIAN LH Fa Wa 250 kW Solar Array Magna Power Electronics Photovoltaic Power Profile Emulation File Tools Help Power Supply Profile Parameters V I MTD1000 250 Tee ES a Nominal 5 BOER START a D 173 2 240 00 Voltage 384 IER Active Profile Nominal 7 Show On Graph ore 240 00 352 8 240 00 Current 239 2 Remaining W Include in Sequence 411 5 240 00 459 7 239 99 500 7 239 97 536 2 239 93 567 6 239 06 595 7 239 73 bel 2 239 53 44 4 239 21 665 65 255 72 655 6 235 00 E M 703 9 236 99 720 9 255 60 volts 36 Winter Cloudy to Nominal 17 of 17 o Volts 736 5 333 76 Amperes si p S Amperes 750 7 231 41 EE Tee 7635 220 55 new Delete 775 0 225 18 Yo A POC wech bi F 765 2 221 36 794 4 217 12 Selected Point 502 6 212 50 4 Power Supply Output 10 0 207 54 A Maomum Power Point 516 7 202 26 Reference Parameters Time 20 Seconds Profiles ane 250 kw Solar Array Based on Reference e me T 25 OC 29 i nter Cloudy to Nominal 10 of 17 oC 30 Winter Cloudy to Nominal 11 of 17 Ir 1000 Watts f m2 31 Winter Cloudy to Morninal 12 of 17 32
9. Profiles This function adds profiles to interpolate between two existing profiles From Nominal To Winter Cloudy Profiles to Add 1 3 Seconds per Profile 10 OK Figure 4 10 Interpolate profiles dialog 12 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software 4 4 Profile Parameters and Generation As shown if Figure 4 11 the selected profile s parameters can be adjusted in the Profile Parameters area The parameters in this section are as follows Name The profile s name to distinguish a specific voltage current curve from other profiles Color The color of the profile in the graph Show on Graph To hide a profile from the graph below uncheck the Show On Graph checkbox from the profile you wish to hide The selected profile will always be shown on the graph Include in Sequence If checked the selected profile will be included in sequence of profiles The next profile will be automatically loaded when the selected profile s time expires If clear the selected profile will be skipped during sequential operation Time Duration the selected profile is active during sequential operation Based on Reference Profile generation using the solar array reference parameters and the EN50530 model See Section 4 4 1 T Photovoltaic array temperature C used only the Based of Reference profile generation method Ir Photovoltaic array irradiance PV generator temperature IW m T u
10. will save the communication settings when exiting the program The next time the software is launched it will attempt to reestablish communication with the power supply using the previous settings To establish communication select Setup Communication item from the Tools menu When communication is established the Power Supply dialog box in the upper left will display information about the power supply s current state In addition the status bar at the bottom will show the communication method and information 6 1 RS 232 Serial Setup To connect to the power supply with a serial comm port select RS 232 from the Type of Communications dropdown as illustrated in Figure 6 1 The software populates the detected serial comm ports in the Comm Ports dropdown Select the port used by the power supply to and then select the OK button H Communication Setu Type of Communications Comm Port Figure 6 1 RS 232 communication setup 6 2 LXI TCP IP Ethernet Setup To connect to the power supply via TCP IP Ethernet select TCP IP from the Type of Communications dropdown as illustrated in Figure 6 2 Enter the power supply s hostname or IP www magna power com Magna Power Electronics Inc 25 address in the Address textbox and enter the appropriate port typically 50505 in the Port textbox Then select OK e mer ie Setu Type of Communications TEPJIP Address 172 20 4 180 Port 50505 Figure 6 2 TCP IP communica
11. OPERATING GUIDE FOR Photovoltaic Power Profile Emulation Software This page is intentionally left blank ii Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software IVIAGNA POWER ELECTRONICS MAGNA POWER ELECTRONICS INC 39 ROYAL ROAD FLEMINGTON NJ 08822 November 26 2011 www magna power com Magna Power Electronics Inc iii This page is intentionally left blank iv Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software TABLE OF CONTENTS Section Title Page LO JGSENERADINFORMA LEO N E l LE A l erase Oe aecaseece eo eaten eeeecaeee ee l e e UE l 20 QUICK STAR Droe aae E T O 2 FO INSTALLA TION EE 3 4 0 USING THE PHOTOVOLTAIC POWER PROFILE EMULATION essennnzzznnnnnnzzzznnenzzn 6 Al Power Supply Status and Cono E 7 MW RC ROTC NCO aN AUN Oi i cate ec ye E een ction toe east 8 E e e 10 Aa Mantal e Kee 11 Adil SCOUCIE ALA CHY ATION eene ee 12 AD Prone Iter polaron EE 12 a4 Promie Parametre anG Crener atl Oi wa g eed NE 13 44 1 Profile Generation Using Based on Reference Method 14 4 4 2 Profile Generation Using 4 Parameter Method 14 4 4 3 Profile Generation Using Manual Method 15 AD Profile Import and Export cisccssssssicadecesnonataxctecncenscaaad ta ian ke DEER EE 15 Al Prone IAD OR EE 15 AD POCEO E 16 AO Power Promo Gila EE 16 W SSCS SRO Scarica Oeste estate e i senses ae ete ae 18 NN NN Dacha tates caches eee ete tg fatale sate Monee eeg
12. Observe the automatically generated curve about these parameters 8 Select the Activate to send the calculated points to the power supply 9 Select the green START button to enable the power supply s output 2 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software 3 0 INSTALLATION After inserting the Magna Power Electronics CD into the drive a user is given a choice to install the RIS Panel or the Photovoltaic Power Profile Emulation software Select the Photovoltaic Power Profile Emulation Software to view the Installation dialog box Figure 3 1 Select Next to continue dl Photovoltaic Power Profile Emulati Welcome to the Photovoltaic Power Profile Emulation Setup Wizard The installer will guide you through the steps required to install Photovoltaic Power Profile Emulation on Your Computer WARNING This Computer program i protected by copyright law and international treaties Unauthorized duplication or distribution of this program or any portion of it may result in severe civil or criminal penalties and will be prosecuted to the masimum estent possible under the law Figure 3 1 Initial installation dialog The following dialog box Figure 3 2 allows selection of the installation directory Confirm the installation directory Figure 3 3 and press Next By default the software will be installed in Program Files Photovoltaic Power Profile Emulation To install the software to a different loca
13. commended CN E Lei LILI il oh CO oh G a E bi C OO C CO G C CO I C o C a a H ur cr or CO a ZE a oh O Figure 4 17 JS1 37 Pin External Programming Connector The Slew Limit factor allows the power supply s modulation performance to be adjusted to account for various load requirements This command controls the allowable slew rate as a function voltage current profile The factor ranges between 0 0 and 1 0 where 0 0 has the highest stability lowest slew rate and 1 0 has the lowest stability highest slew rate For loads demanding high bandwidth the slew limit should be increased until an adequate performance level 1s reached 4 9 3 New Session Reference Parameters The New Session Reference Parameters section features parameters identical to the photovoltaic array reference parameters in the main software previously illustrated in Figure 4 5 Configuring the New Session Reference Parameters in the options menu enables default photovoltaic array reference parameters to be specified These parameters can be manually entered or they can be automatically entered using the Use Current Parameters button Whenever a new session is created the reference parameters will be automatically populated with the defined New Session Reference Parameters If no parameters are specified the default reference parameters will be blank 4 9 4 Data Logging Data logging is available to store both profile and measured data to a com
14. e 19 49 OPNS IVI EE 20 Wwww magna power com Magna Power Electronics Inc v 4 9 1 EES 21 BOs COMUOM ODVIOMA seta jisilfu 21 4 93 New Session Rererence E 22 AIA ND Ala EE 22 30 LICENSING occore E EE T E T i 24 DEL EE 24 e Eose ANAS C8 e AT bi dwa tid hep ia 24 00 CIV INT a EE 29 oE Ro ET EE 25 O AE CP ATE EE 29 63 JEEE ASS fd fl ary ER e R 2H OA Communication P getest Seeche eet 28 vi Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software 1 0 GENERAL INFORMATION 1 1 Features Magna Power Electronics power supplies with D version front panel or any XR Series model offer an analog input to modulate the voltage or current setting using piecewise linear approximation This feature enables the voltage or current setting to be adjusted by a sensor input such as a thermistor or by monitoring its own voltage or current Modulation allows the output to be tailored for advanced process control applications battery charging and source emulation Photovoltaic Power Profile Emulator is a Microsoft Windows based utility to enable Magna Power Electronics power supplies to emulate photovoltaic arrays The software utilizes solar panel technology characteristics and creates a 50 point piecewise linear approximation table for use with the powerful modulation feature in the power supply Implementation allows the user to program a soft knee as a function of both output voltage and current 1 2 Requir
15. e a voltage value of 0 Vdc 2 The last row must have a current value of 0 Adc 3 The normalized slope AI AV X Imax Vinax cannot be greater than 0 05 Profile generation using the Manual method will cause new data points in the table and on the graph to appear immediately but they will not be sent to the power supply until the next time the profile is activated Press the Activate button to have the new profile sent to the power supply If the power supply output is energized when the new profile is activated the power supply will update its output immediately 4 5 Profile Import and Export 4 5 1 Profile Import When the Manual profile generation method selected profiles can be imported from a comma separated value csv file With the Manual radial button selected select Import under the 50 point table Then www magna power com Magna Power Electronics Inc 15 from the drop down menu in the import window select Comma separated value csv Guidelines for the csv file to be imported are as follows e The first column must be voltage and the second column must be current e Any columns beyond the first two columns are ignored e The csv file may have text headers on the first row The software will parse the first row and if text will begin the import on the second row and if numeric will begin the import on the first row e Single and double quoted values are supported for example 40 000 and 60 000 e The values a
16. ements This software is only available for use on Magna Power Electronics DC power supplies that support modulation This includes any power supply with the D version front panel option or any XR Series model The D Panel power supply must have firmware revision 4 7 or higher XR Series models require a firmware revision of 1 4 or higher for full functionality This software requires a computer running Windows XP or higher with a screen resolution of 1024x768 or higher The Microsoft NEI Framework 2 0 or higher is also required You will be prompted to install the NET Framework if you do not already have it installed The computer must be able to establish communication with the power supply You may use the power supply s RS 232 Serial port optional LXI TCP IP Ethernet or option IEEE 488 2 GPIB Wwww magna power com Magna Power Electronics Inc 1 2 0 QUICK START The following instructions will help you get started using the software with a single profile immediately See the related sections in the manual for additional information 1 The software and hardware requirements for this Quick Start are a A Magna Power Electronics DC power supply with modulation support D version front panel or XR Series b A personal computer running Windows XP or higher c Communication established between the computer and power supply through either RS 232 GPIB or TCP IP d A PPPE software license for each power supply to be used 2 Pow
17. equence will return back to the top of the profiles after the end of the sequence If this box is not checked the automatic sequence ends with the last profile To start sequential activation select the green Play button The sequence starts with the current active profile If no profile is active the first profile in the list is activated To pause select the Pause button The time remaining is stopped Select the Play button to resume the sequence Select the gt l button to skip to the next profile Select the lt button to skip to the previous profile A different profile can be skipped at any time by selecting that profile and clicking the Activate button After activation the automatic sequence will continue from the newly activated profile 4 3 3 Profile Interpolation Profile interpolation allows automatic generation of intermediary profiles between two defined curves over a defined time period To use this function define two curves the starting curve and the finishing curve and place the curves in sequential order in the profile listing Define the time period for the transition in the starting curve then select the Interpolate button The dialog will pop up as shown in Figure 4 10 allowing the number of intermediary profiles to be selected The number of seconds per profile will be evenly distributed for all the interpolated profiles increasing or decreasing depending on the number of profiles to be generated Interpolate
18. er supply setup a Jumper pins 5 and 25 on the connector JS1 illustrated in Figure 1 1 of the power supply manual b Turn the power supply on but leave it in STANDBY mode c Connect the desired load to the power supply s output terminals 3 Install and launch the software a Install the software using the provided CD or download Follow the onscreen instructions Note If downloading the software from the website Microsoft Visual Studio NET v3 5 or high is required b Launch the software from the Start Menu or the icon placed on the Desktop 4 Establish communication a Select Setup Communication from the Tools menu b Enter the appropriate communication configuration information If utilizing IEEE 448 2 GPIB or LXI TCP IP Ethernet use the Find Devices button to help locate the power supply automatically c Select OK d Verify that the power supply was identified and the model number was populated in the upper left portion of the software 5 Select your desired solar panel technology and enter the remaining array specifications in the Reference Parameters box The software will verify the parameters are within the connected power supply s capabilities and will display warning or error icons next to invalid or out of range parameters 6 Select the New button under the Profiles grid to create a new profile based on the reference parameters 7 Modify the profile s name temperature and irradiance in the Profile Parameters box
19. escribed in Section 4 4 1 remaining parameters are calculated automatically maximum power point V mp Imp open circuit voltage Voc and short circuit current Isc in accordance with the EN50530 model This procedure is described in Section 4 4 1 Automatic based on 4 parameters The user defines the maximum power point V mp Imp open circuit voltage Voc and short circuit current Isc The profile is then generated based on these parameters The procedure 1s described in Section 4 4 2 Manual The profile is defined with 50 current and voltage points using picewise linear approximation The procedure is described in Section 4 4 3 To create a new profile select the New button By default a new profile 1s created based on the nominal reference parameters To change the default profile generation refer to Section 4 4 10 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software The selected profile is displayed in the Profile Parameters area the data table and the power profile graph The selected profile is highlighted in a power profile graph with its data points as dots To delete a profile select the profile you wish to delete from the Profile dialog box Figure 4 8 and then select the Delete button A confirmation dialog box shown in Figure 4 9 will appear To hide a profile from the graph below uncheck the Show On Graph checkbox from the profile you wish to hide The selected profile is always sho
20. generating curves using the d Parameter method Vinp and Imp should always be less than Voc and Ic respectively Depending on the technology and furthermore the fill factor the ratio of Vinp Voc FF v and Lee Le Ubu will vary Reference Table 4 1 for fill factor values for various solar panel technologies Profile generation using the 4 Parameter method will cause new data points in the table and on the graph to appear immediately but they will not be sent to the power supply until the next time the profile is activated Press the Activate button to have the newly calculated profile sent to the power supply If the power supply output is energized when the new profile is activated the power supply will update its output immediately 4 4 3 Profile Generation Using Manual Method When Automatic V I checkbox is cleared the software will be in a manual profile generation mode Reference parameters are not required for this method of profile generation In manual profile generation the data table becomes active allowing all the values to be modified Up to 50 voltage and current values may be entered The New Delete and Clear buttons below the table allow manual control over the points To edit a point for voltage or current select in the appropriate cell and make the revision The point being edited is highlighted with a light gray circle on the graph Requirements for the manual voltage current data table entry are 1 The first row must hav
21. ma separated value csv file as a function of time This data can later be used for external report generation or analysis By default data logging is disabled To enable data logging select the checkbox labeled Enable data logging Unselect this checkbox to disable data logging The following functions will be enabled when data logging is enabled The Filename field is the location on your computer or network where the data should be saved Data will start logging and stop logging in accordance with the power supply s start and stop functionality 22 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software The If exists radial button determines how data logging will resume if the file already exists If Overwrite is selected and the target file already exists all existing log data will be lost each time the power supply starts If Append is selected and the target file already exists all existing log data will be maintained and new data will be logged at the end of target file If Create unique name is selected and the target file already exists all existing log data will be maintained and a new file will be created with a unique suffix iterating to another number each time the power supply output is enabled Wwww magna power com Magna Power Electronics Inc 23 5 0 LICENSING 5 1 Overview A license is required to connect to a power supply One license is required for each power supply A single PPPE i
22. nstallation can connect to several licensed power supplies License files are provided on a CD when the power supply is shipped The license automatically configures on installation Section 5 2 describes the configuration for additional power supply licenses If you have misplaced your original CD please contact Magna Power Electronics at support magna power com or call 908 237 2200 to retrieve your license file 5 2 License Manager As shown in Figure 5 1 PPPE Software features a built in license manager to manage licenses for several power supplies The license manager is available by selecting Help from the main toolbar and then selecting License Manager 4 PPPE License Manager Model Serial Number Licensee sR 1000 6 1162 3001 Magna Power Electronics Inc Figure 5 1 License Manager for PPPE To add a license file select Add and then browse for your lic file that was provided by Magna Power Electronics To remove a license file select a license from the license manager then select Remove 24 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software 6 0 COMMUNICATION The software can communicate with a power supply via any of the following e RS 232 Serial o LXI TCP IP Ethernet e JERE 488 2 GPIB Sessions and profiles can be setup without connecting to a power supply but activating the profiles power supply status and control are not possible unless communication is established The software
23. previous screen without selecting a power supply www magna power com Magna Power Electronics Inc 27 6 4 Communication Problems If communication cannot be established or there is a disruption in communication with the power supply an error will be displayed as illustrated in Figure 6 6 Select the Show Details button to display internal information about the error Use the Copy to Clipboard button to copy the detailed information to the clipboard This information may be useful to troubleshoot the error g Communications E QJ Please check communication settings WF Ghom Details An error occurred communicating with the power supply QJ Please check communication settings Hide Details Copy bo Clipboard 7 PPPE ScpiCommException Please check communication settings gt PPPE ScpiCormException Error sending command IDN gt PPPE ScpiCormException Timeout waiting For response ta IDN at PPPE SerialScpi Write CmadtString command Boolean readfesponsej End of inner exception stack trace at PPPE SerialScpi WriteCmd String command Boolean readResponse at PPPE MainForr Initialize Comm CommSetup cs b Figure 6 6 a Communication error dialog b Details of communication error 28 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software
24. re trimmed of whitespace and quotes before being parsed The import will handle values where a comma is used as a decimal point as reflected by the regional settings for example 40 000 and 60 000 Otherwise a comma is treated as a thousand separator 4 5 2 Profile Export Profiles may be exported regardless of the profile generation method Export requires an active connection to a licensed Magna Power Electronics power supply There are three export formats selectable from the drop down export window The export formats are as follows e Photovoltaic Power Profile Emulation Export pppeExport A proprietary photovoltaic power profile format that can only be read by Magna Power Electronics Photovoltaic Power Profile Emulation software compatible with legacy version of the software e SCPI Commands txt The SCPI commands issued by the PPPE software to the power supply to define the profile for emulation Each SCPI Command export is approximately 55 commands The PPPE software can be used to generate complex photovoltaic profiles while SCPI command export enables these complex profiles to be transferred to other software environments such as LabVIEW or Visual Studio Commands will vary whether Voltage Control or Current Control is selected in the Options menu make sure to note the proper jumper setting from this control configuration e Comma delimited csv Data export of the generated 50 point curve in a widely accessible format
25. recalculate all 50 points in the curve To create a new profile select the New button By default a new profile 1s created based on the nominal reference parameters To change the default profile generation refer to Section 4 4 The profile will vary from nominal values by altering the temperature T or irradiance Ir value for that profile Profile generation using the Based on Reference method will cause new data points in the table and on the graph to appear immediately but they will not be sent to the power supply until the next time the profile is activated Press the Activate button to have the newly calculated profile sent to the power supply If the power supply output is energized when the new profile is activated the power supply will update its output immediately 4 4 2 Profile Generation Using 4 Parameter Method When the 4 Parameter radial button is selected profiles will be automatically calculated based on Vec Isc Wmp and Imp This method of profile generation assumes nominal values for temperature and 14 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software irradiance to generate profiles in accordance with EN50530 Changes to any of the 4 Parameter values will modify the selected curve To create a new profile select the New button then choose the 4 Parameter radial button The values prepopulated in the parameter fields are retained from the Based on Reference profile generation method When
26. sed only the Based of Reference profile generation method 4 Parameter Profile generation through definition of maximum power point open circuit voltage and short circuit current See Section 4 4 2 Vimp Voltage at the maximum power point V used only the 4 Parameter profile generation method Imp Current at the maximum power point I used only the d Parameter profile generation method Voc Voltage at open circuit V used only the 4 Parameter profile generation method Isc Current at short circuit I used only the 4 Parameter profile generation method Manual Profile generation through definition of 50 operating or data import See Section 4 4 3 www magna power com Magna Power Electronics Inc 13 Profile Parameters Hame Mominal coo Rm C w Show On Graph Include in Sequence Time 20 Seconds B Based on Reference T 25 oC Ir 1000 watts fm 4 Parameter Ymg 519 30 Volks Lene 200 00 Amperes HE 599 24 volts Tae 240 00 Amperes Manual Figure 4 11 Profile parameters 4 4 1 Profile Generation Using Based on Reference Method When the Based on Reference radial button is selected the profile will be automatically calculated from the reference parameters temperature and irradiance values in accordance with the EN50530 model Changes to the profile s temperature irradiance will modify the selected curve Changes to any of the reference parameters will automatically
27. tage V Mt 71 23 Figure 4 12 Current vs voltage graphical display www magna power com Magna Power Electronics Inc 17 e Selected Point Power Supply Output X Maximum Power Point 500 0 Voltage V nr 75 80 Figure 4 13 Power vs voltage graphical display 4 7 Sessions A session 1s a set of reference parameters of one or more profiles based off those parameters Sessions can be saved and loaded as pppe files When the software is first launched a blank session is created If you attempt to create new session open a different session or exit the program and the current session has changed the software will prompt you to save the current session first As illustrated in Figure 4 14 select Yes to save the current session or select No to discard the changes to the current session Select Cancel to return to the current session Current session has changed Would you like ta save the current session Figure 4 14 Save current session dialog To save a session select Save Session from the File menu or use the keyboard and type Ctrl S If the file has not been saved previously the software will prompt for a filename To save a session to a different file select the Save As item from the File menu Browse the folders on the computer where to save the session type the file name and then select the Save button 18 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software To open a session
28. tion select Browse and then select your desired folder When the install folder is correct select Next to continue installation Wwww magna power com Magna Power Electronics Inc 3 Select Installation Folder The installer will install Photovoltaic Power Profile Emulation to the following folder Ta install in this folder click Nest To install to a different folder enter it below or click Browse Folder C Program Files F hotovoltazz Power Profile Emulation Install Photovoltaic Power Profile Emulation for yourself or for anyone who uses this computer Everone 7 Just me Figure 3 2 Installation path dialog Contirm Installation The installer i ready to install Photovoltaic Power Profile Emulation on your computer Click Next ta start the installation Figure 3 3 Installation confirmation dialog 4 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software Upon installation completion the dialog box shown in Figure 3 4will appear dl Photovoltaic Power Profile Emulation Installation Complete Photovoltaic Power Profile Emulation has been successtully installed Click Close to exit Please use Windows Update ta check for any critical updates ta the NET Framework Cancel Figure 3 4 Installation complete dialog www magna power com Magna Power Electronics Inc 5 4 0 USING THE PHOTOVOLTAIC POWER PROFILE EMULATION Figure 4 1shows the main screen of
29. tion setup Alternatively devices can be located on the network automatically with the Find Device button As shown in Figure 6 3 select the power supply from the list and then select OK Select the Refresh button to rescan the network for power supplies or select Cancel to return to the previous screen without selecting a power supply 12 Find Devices IF Address MAC Address ME 00000361 f2 20 4 180 O0 1E 6F 00 01 69 Figure 6 3 TCP IP Find Devices dialog 26 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software 6 3 IEEE 488 2 GPIB Setup To connect to the power supply via GPIB IEEE 488 2 select GPIB from the Type of Communications dropdown as illustrated in Figure 6 4 Select the power supply s GPIB Address from the dropdown and then select OK gy Communication Setu Type of Communications GPIB Address Figure 6 4 GPIB communication setup Alternatively the Find Device button can be used to try to locate the device on the GPIB bus automatically as illustrated in Figure 6 5 Find Devices Address Identification FO Magna Fower Electronics Inc POD16 375 SM 1162 0361 FAW Figure 6 5 GPIB Find Devices dialog The software will scan the GPIB bus and will display the devices found along with their responses to the IDN query Select the power supply from the list and then select OK Select the Refresh button to rescan the bus or Cancel to return to the
30. tronics Inc 19 Wi 290 kW Solar Array Magna Power Electronics Photovoltaic Power Profile Emulation File Tools Help i Programming y Viewer Power Supply Model MTD1000 250 mm status Power TTT Voltage 37 RER Active Profile Winter Sunny STOP Current 24 7 Remaining 13 Selected Point Power Supply Output A Maximum Power Point Voltage Il UU Current I S 160 0 2000 2400 280 Current I Voltage B 1E 10 Minutes Minutes Minutes Comm RS 232 Port COM3 Active Profile Winter Sunny Figure 4 15 Viewer tab panel 4 9 Options Menu To enter the options menu select Options from the Tools menu The options menu is illustrated in Figure 4 16 As described in Section 4 6 there are two options to format the graph Voltage versus Current or Voltage versus Power 20 Magna Power Electronics Inc Photovoltaic Power Profile Emulator Software 77 PPPE Options i Graph Options Control Options New Session Reference Parameters Voltage vs Current voltage Control J51 24 25 S 25 oC Voltage vs Power Wattsl Current Control J51 5 25 Interval 10Seconds SlewLimt 1 00 WEES RE Data Logging Volt Amperes Filename Browse A Walks IF exists Overwrite C Append Create unique name A Amperes Interval i second s Data To Log 0 4 MY Poe J Time 0 04 SAJD Data logging will start Voltage de and stop with power wf m Use Current Parameters Power MA
31. wn on the graph Profiles Name Color gt Ee Js 111 2 Nominal to Winter Cloudy 1 of 17 IM 3 Nominal to Winter Cloudy 2 of 17 EE i 4 Nominal to Winter Cloudy 3 of 17 a 5 Nominal to Winter Cloudy 4 of 17 ER 6 Nominal to Winter Cloudy 5 of 17 Eo 7 Nominal to Winter Cloudy 6 of 17 es 8 gt Nominal to Winter Cloudy 7 of 17 is g Nominal to Winter Cloudy 8 of 17 EA d e ae A ia aa Ee New Interpolate Figure 4 8 Photovoltaic profiles Magna Power Electronics Photovoltaic Power Profile Emulation W 4 of 17 Figure 4 9 Delete profile dialog 4 3 1 Manual Activation To activate the selected profile select the Activate button The selected profile is sent to the power supply During activation a progress bar is displayed in the lower right corner of the status bar Once activated the profile is highlighted with green and is displayed in the Power Supply box above and the status bar at the bottom www magna power com Magna Power Electronics Inc 11 4 3 2 Sequential Activation Profiles can be activated in sequence one after another automatically by the software The order of activation is determined by the order the profiles listed in the Profiles grid To rearrange the profiles up or down in sequence select a profile and select on the up or down arrows next to the grid To loop the sequence check the Loop checkbox If this box is checked the s
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