Subscribe to Our Youtube Channel
Related Manuals for PV-Engineering PVPM 1000CX
Summary of Contents for PV-Engineering PVPM 1000CX
- Page 1 PVPM 1000CX Peak Power Measuring Device and I-V-Curve Tracer for PV Modules and Generators Users Manual...
- Page 2 Page 2 Release © 11 / 2013 PV-Engineering GmbH Hugo-Schultz-Str. 14 DE-58640 Iserlohn Germany Tel. +49 2371 4366480 Fax. +49 2371 4366489 e-Mail service@pv-engineering.de PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 3: Table Of Contents
EGRADATION CHARACTERISTIC 17.5 D ........................45 IRECT RADIATION DIFFUSE RADIATION 17.6 G ................................45 ENERATOR 17.7 G ............................46 LOBAL TOTAL RADIATION 17.8 S ........................46 HORT CIRCUIT CURRENT OF SOLAR CELLS 17.9 M ................................46 ISMATCHING 17.10 MPP..................................46 PVPM1000CX User Manual PV-Engineering GmbH... - Page 4 HARACTERISTIC 17.20 E ................................48 FFICIENCY 17.21 F ).....................48 WIRE MEASUREMENT ELVIN MEASUREMENT 18 APPENDIX A................................49 18.1 I ........................49 NDICATOR LIGHTS IN THE FRONT PANEL 18.2 S :..............................49 PEAKER SIGNALS 19 DECLARATION OF CONFORMITY........................50 PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 5: Software End User License Agreement
You or any person under your authority or control may not: Copy or use the Software except as authorized under this License Grant; warranty is valid for 90 days from your date of purchase. PV-Engineering GmbH excludes any warranty coverage for incidental or consequential ... -
Page 6: Introduction
I-V-characteristic curve of single photovoltaic modules and strings. Before connecting the PV generator under test to the measuring instrument it must be ensured that the test specimen cannot exceed the maximum current and voltage levels of the measuring instrument at any time. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 7: Safety Requirements
Please do not restore single data files, but always the complete data back-up of the program, otherwise you might cause malfunction, this in turn might lead to data loss! In case of doubt please contact the distributor or the producer. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 8: Warnings
After the generator is deactivated you can remove the cable connection without harm. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 9: Operation Of The Pvpm
• Clean the surface with a soft and damp tissue. Do not use materials that can scratch, especially on the cover of the display. A scratched display cover will dramatically affect the display quality. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 10: Connecting Peripheral Devices
At the front panel of the PVPM, input 16Vdc/2A, coaxial power connector 5.5x2.1mm Temperature (External) temperature sensor Irradiance Combined sensor: irradiance + Pt1000 temperature 4-wire-measurement Voltage input (module under test) Current input Current input (module under test) Serial connection to PC (USB cable) PVPM1000CX User Manual PV-Engineering GmbH... -
Page 11: Power Supply
Please take care that the sensor will drop no shadow to the module! The sensor needs several minutes to adapt to the environmental conditions: the reference cell firstly should reach the temperature of the module, before you can start to measure I-V-curves with the PVPM (see chap.6.10). PVPM1000CX User Manual PV-Engineering GmbH... -
Page 12: Switching-On
(optional), voltage at power measurement input. Sensor line: here the currently selected irradiance reference sensor is displayed and can be changed. Bottom line: Current time/date, buttons “Info”, “Archive”, “PC” and “New measurement”. Lamps on front panel: PVPM1000CX User Manual PV-Engineering GmbH... -
Page 13: Buttons
The measurement can be started from the PVPM or from a connected PC (see chapter 11). The measurement should not be started before the solar generator and the necessary sensors are connected properly. The I-V- PVPM1000CX User Manual PV-Engineering GmbH... - Page 14 Use the button “Delete” to delete the selected data-set from PVPM memory. Caution: this operation is not reversible! 6.10.3 Transfer This button activates the transfer between PVPM and a connected PC. You can cancel this transfer mode by pressing the “Abort” button at the PVPM screen. 6.10.4 Results PVPM1000CX User Manual PV-Engineering GmbH...
- Page 15 The page “Results” displays the measured (voltages, currents, temperatures etc.) and calculated values (Ppk, Rs, Rp, FF). The button “Diagram” selects the page with the I-V-curve, the button “Results” displays the results as described above. PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 16: Messages
The device will short circuit the generator if the polarity is wrong and can take harm. If you disconnect the cables under voltage a light arc can cause serious damage to health and material PVPM1000CX User Manual PV-Engineering GmbH... -
Page 17: External Security Switch 1000V / 32A
If you detect a defect at the switch, the housing or the connection cables, the switch must not be used any longer under any condition! Only specially instructed professionals must do repairs! Keep the switch and cables away from liquids, dust and dirt. Clean the surface with a damp cloth only. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 18: Impacts On The Accuracy Of The Measurement
You can enhance the precision of the PVPM results by measuring the same object several times (e.g. 5 times) and after that do a statistical evaluation on these results. Given below are once more the parameters, that are decisive for the accuracy of the measurements: PVPM1000CX User Manual PV-Engineering GmbH... - Page 19 The temperature of the device under test and the reference sensor has got to be balanced (no alteration of • temperature may be indicated) Current and voltage of the device under test are measured with distinct measuring lines (four-wire • measurement) PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 20: Installation Of The Transfer Software Pvpm.disp
A typical file name could be 24-05-01 14_17_04.SUI, this file contains data from a measurement made May 24., 2001 at 2:17:04pm. The measuring data are usually stored in files below “My Documents\PVPMdisp\”. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 21: Installing The Usb Device Driver
Figure 10.1 before a connection to Windows Update will be made. Select “No, not this time” and click on “Next”. Figure 10.1 – Select “Install from a list or specific location” as displayed in Figure 10.2 below and click on “Next” PVPM1000CX User Manual PV-Engineering GmbH... - Page 22 Installing the USB device driver Page 22 PVPM1000CX User Manual PV-Engineering GmbH...
- Page 23 “Next”, to continue. – If Windows is configured to warn, if a not WHQL certified driver is to be installed, an warning message will appear now. Click to “Continue anyway” and continue the installation. PVPM1000CX User Manual PV-Engineering GmbH...
- Page 24 The hardware assistant may now appear a second time for the installation of a second USB port. The installation procedure will be the same as described above for the first port. – After the installation the new COM port appears in the device manager (Figure 10.6) PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 25: Uninstalling The Cdm Driver
The driver can be removed using the Windows device manager: select the device in the list of devices with the right mouse key and select “Uninstall”. This will delete the entries for this device from registry. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 26: Operation Of The Software Pvpm.disp
In this list you can now either select an entry by doubleclick (these data will PVPM1000CX User Manual PV-Engineering GmbH... - Page 27 (for example .XLS instead of .SUI). You can process the exported files afterwards with a program of your choice. Changes at the exported files do not have influence on the original data. PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 28: Edit
11.2.1 Cut Cuts the marked text and moves it to the clipboard. 11.2.2 Copy Copies the marked text and moves it to the clipboard. 11.2.3 Insert Inserts the contents of the clipboard at the cursor position. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 29: Extra
“Yes” here – the marked data-sets will be deleted from the PVPMs memory. 11.3.3 Synchronize PVPM to PC date/time With this function the internal real time clock of the PVPM is set to the PCs date/time. PVPM1000CX User Manual PV-Engineering GmbH... - Page 30 The file names contain the date and time of the measurement. The automatic measurement will stop, when the given number of repetitions are finished or when the PVPM does not answer or the user cancels the measurements. PVPM1000CX User Manual PV-Engineering GmbH...
- Page 31 If the factor is not zero the displayed temperatures will be displayed like “xx.x°C korr.” to remember you, that this value is not the measured one. The altered value will not be stored. PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 32: Diagram
You can select whether the MPP shell be displayed in the diagram or not. Note: The displayed MPP is not exactly one of the measured data points but will be interpolated and thus more precise PVPM1000CX User Manual PV-Engineering GmbH... -
Page 33: Results / Lists
Displays the contents of the online help. 11.6.2 Search Here you can search within the online help. 11.6.3 Use help Basic hints for the windows help system. 11.6.4 Info Displays an information window with the version number of the program. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 34: Hardware Information
Flash disk 32MB (can store several 1000 results) A/D-Sampling Rate max. 100kHz, resolution 12Bit Accuracy for the I-V-curve better 1%, Peak Power ±5% The data of several 1000 measurements will be stored automatically in the device (flash memory) PVPM1000CX User Manual PV-Engineering GmbH... -
Page 35: Display
Storage: -10°C to 85°C 5% to 95% 12.8 Optionally available accessory • Software for MS-Windows for the automatic generation of test reports • test leads e.g. with length 15m or 25m (different lengths on request) PVPM1000CX User Manual PV-Engineering GmbH... -
Page 36: List Of Symbols
Parallel internal resistance Standard Test Conditions fE0=1000W/m , AM1.5, T=25°C Current module temperature (at the back side of the module) Voltage Short form for Upmax Open circuit voltage Open circuit voltage (at STC) Maximum power voltage pmax PVPM1000CX User Manual PV-Engineering GmbH... -
Page 37: Reasons For Decreased Power And Yield Of Pv Generators
Production fault / reduction of price, replacement by supplier Please notice: some faults may appear only under special operating states, e.g. high module temperatures. This compilation does not claim to be complete or free of failures. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 38: U Diagram: Explanation
Current voltage characteristics with an irradiation of 1000W/m2 and different irradiations fig: Current voltage characteristics with an irradiation of 1000W/m2 and different cell temperatures fig: Construction of the module characteristic from the cell characteristics (irradiance E = 400W/m2, T = 300K) PVPM1000CX User Manual PV-Engineering GmbH... - Page 39 Solar cell characteristic of a polycrystalline cell over the whole voltage range with different shading degrees (E0 = 1000W/m2, T = 300K) fig: Construction of the module characteristic of the module SM50 with a 75% shaded cell (E = 407W/m2, T = 300k) PVPM1000CX User Manual PV-Engineering GmbH...
- Page 40 Solar module characteristic: (1) fully illuminated; (2) a cell completely covered, with bypass diode over the cell; (3) with bypass diodes over half cell string; (4) without bypass diode fig: Simulation of different module characteristics with bypass diodes over a different number of cells (E = 1000W/m2, T = 300K) PVPM1000CX User Manual PV-Engineering GmbH...
- Page 41 18 cells. A cell was differently shaded, the others was fully illuminated (E = 574W/m2, T = 300K) fig: Module characteristics of the module SM50 without bypass diodes, first cell differently shadows (shading degree of SZI = 0..1), E = 407W/m2, T = 300K PVPM1000CX User Manual PV-Engineering GmbH...
- Page 42 I-U diagram: Explanation Page 42 fig: Resulting characteristic during series connection with bypass diode PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 43: Sample Curves
Sample Curves Page 43 Sample Curves Result without errors V/Volt Partly shading Measured characteristic 10,0 15,0 20,0 25,0 V/Volt Shading and match losses Comparison curve Characteristic with errors V/Volt PVPM1000CX User Manual PV-Engineering GmbH... - Page 44 - Module 10,0 12,0 14,0 16,0 V/Volt Small R - e.g.: match loss Comparison characteristic Measured characteristic Partly shading Comparison curve 10,0 20,0 30,0 40,0 50,0 Characteristic with errors V/Volt PVPM1000CX User Manual PV-Engineering GmbH 10,0 15,0 20,0 25,0 V/Volt...
- Page 45 Sample Curves Page 45 High loss due to shading Characteristic without shading Characteristic with 2 shaded regions V/Volt PVPM1000CX User Manual PV-Engineering GmbH...
-
Page 46: Glossary
Through scattering (fog, haze, clouds) diffuse/ indirect radiation develops. 17.6 Generator Lat.: producer. Generators dissipate other forms of energy into current. In the photovoltaic the entirety of the interconnected photovoltaic modules is characterized as generator or as solar power plant. PVPM1000CX User Manual PV-Engineering GmbH... -
Page 47: Global/Total Radiation
The voltage which drops at the resistor is linear depending from the irradiation and can easily be measured with PVPM1000CX User Manual PV-Engineering GmbH... -
Page 48: Internal Series Resistance
Besides short circuit current I V/Volt open circuit voltage V , voltage and current at the maximum power point (MPP) I and V as a result you get the fill factor FF: pmax pmax FF = I pmax pmax PVPM1000CX User Manual PV-Engineering GmbH... -
Page 49: Efficiency
(here voltage will drop on the wire), the voltage is measured over the other two wires that are connected to a high resistance input (here nearly no current flows and thus no significant voltage drops). PVPM1000CX User Manual PV-Engineering GmbH... -
Page 50: Indicator Lights In The Front Panel
PVPM (only service mode) destination file is deleted dee-dee-dee- During measurement: Measurement is irradiation varies or is too inaccurate and must be small rejected dee-dee-dee- A/D converter could not be Customer service da-da-da- initialized necessary dee-dee-dee PVPM1000CX User Manual PV-Engineering GmbH... -
Page 51: Declaration Of Conformity
Eine technische Dokumentation ist vollständig vorhanden. Die zum Messgerät gehörende Betriebsanleitung liegt in der Originalfassung vor. / A technical documentation is completely available. The operation manual of the device is available in its original version. Iserlohn, 01.05.2010 Dipl.-Ing. Klaus M. Schulte (Ort/Place, Datum/Date) Geschäftsführer/Managing Director PVPM1000CX User Manual PV-Engineering GmbH...
Need help?
Do you have a question about the PVPM 1000CX and is the answer not in the manual?
Questions and answers