Related Manuals for PV-Engineering PVPM 1040C
Summary of Contents for PV-Engineering PVPM 1040C
- Page 1 PVPM 2540C 1000C 1040C 1050C Peak Power Measuring Device and I-V-Curve Tracer for PV Modules and Generators Users Manual...
- Page 2 Release © 02 / 2021 PV-Engineering GmbH Hugo-Schultz-Str. 14 DE-58640 Iserlohn Tel. +49 2371 436648-0 Fax. +49 2371 436648-9 e-Mail service@pv-engineering.de...
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Page 3: Table Of Contents
................................45 OWER 18.13 P ..............................45 ERFORMANCE ATIO 18.14 P ................................45 SENSOR 18.15 I ............................46 NTERNAL SERIES RESISTANCE 18.16 S ................................. 46 OLAR ONSTANT 18.17 S ............................46 OLAR IRRADIATION INSOLATION Operation manual for PVPM devices PV-Engineering GmbH... - Page 4 ELVIN MEASUREMENT 18.21 E ................................. 47 FFICIENCY 19 APPENDIX A................................48 19.1 - I ..........................48 NDICATOR LIGHTS IN THE FRONT PANEL 19.2 S :................................48 PEAKER SIGNALS 20 KONFORMITÄTSERKLÄRUNG DECLARATION OF CONFORMITY...............49 Operation manual for PVPM devices PV-Engineering GmbH...
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Page 5: Software End User License Agreement
✗ the dealer or to PV-Engineering GmbH for replacement or refund. This Copy or use the Software except as authorized under this License warranty is valid for 90 days from your date of purchase. PV-Engineering Grant; ✗ GmbH excludes any warranty coverage for incidental or consequential Use on two or more computers at a time without separate damages. -
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. Operation manual for PVPM devices PV-Engineering GmbH... -
Page 7: Safety Requirements
Before each measurement check the test leads for the power measurement for damages. Never operate damaged test leads! If the conducting wires of the measuring device are damaged they have to be replaced. Mending the wires is not admissible. Operation manual for PVPM devices PV-Engineering GmbH... - Page 8 After the generator is deactivated you can remove the cable connection without harm. Operation manual for PVPM devices PV-Engineering GmbH...
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Page 9: Operation Of The Pvpm
5. Irradiation input 6. Input for external Pt100 (module back surface temperature measurement) 7. Four-wire measuring connector (voltage) 8. Four-wire measuring connector (current) External voltage supply/battery charge at left side of the PVPM Operation manual for PVPM devices PV-Engineering GmbH... -
Page 10: General Hints
The case is not water proofed. Do not expose the PVPM directly to influence of water, rain or similar. For a good measuring quality the sun irradiance during the measurement should be above 500 W/m2. Measurements are possible below this irradiance value, but less precise and meaningful. 6.3 Connecting Peripheral Devices Operation manual for PVPM devices PV-Engineering GmbH... -
Page 11: Power Supply
Caution: keep a sufficient distance to power leading parts of the cables between solar generator and measuring device. These cables may lead high tension what may affect your health even without direct contact! Operation manual for PVPM devices PV-Engineering GmbH... -
Page 12: Connecting The Combined Sensor
The PVPM reports several system conditions, functions and errors by speaker signals. A list of signals you will find in the appendix. When the device signals readiness, you can start a new measurement. Operation manual for PVPM devices PV-Engineering GmbH... -
Page 13: Buttons
4 Retrieve measurement data from archive 5 Connection to PC („Transfer“) 6 Start I-V-measurement now 7 General: abort, cancel funktion 8 Display results 9 Display I-V-curve 10Add entry 11Previous page 12Next page 13Confirm, „OK“ Operation manual for PVPM devices PV-Engineering GmbH... -
Page 14: Measurement
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. Operation manual for PVPM devices 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. Operation manual for PVPM devices PV-Engineering GmbH...
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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 Operation manual for PVPM devices PV-Engineering GmbH... -
Page 17: External Security Switch 1000V / 32A (40A)
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. Operation manual for PVPM devices 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: Operation manual for PVPM devices PV-Engineering GmbH... -
Page 19: Accuracy Of The Peak Power Calculations From I-V Characteristics
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) Operation manual for PVPM devices 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\”. Operation manual for PVPM devices 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” ➔ Operation manual for PVPM devices PV-Engineering GmbH... - Page 22 “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. Operation manual for PVPM devices PV-Engineering GmbH...
- Page 23 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) ➔ Operation manual for PVPM devices PV-Engineering GmbH...
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Page 24: 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. Operation manual for PVPM devices PV-Engineering GmbH... -
Page 25: Operation Of The Software Pvpm.disp
(these data will automatically be loaded and represented in the working window) or you can select some or all entries in the list, which than may be deleted, exported or printed (→ test reports). Operation manual for PVPM devices PV-Engineering GmbH... - Page 26 The print uses the whole available printing area. The buttons on top of the preview window are from left to right: Starting printout • Operation manual for PVPM devices PV-Engineering GmbH...
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Page 27: Edit
Important: When the measurement is initialized from the PC the data will not be stored in the PVPM! If this message appears (see right), the cable to the PVPM is not mounted properly or the function “Transfer” on the PVPM is not activated. Operation manual for PVPM devices PV-Engineering GmbH... - Page 28 R . This theoretical value can be compared to the actually measured value and give a hint, whether there are problems for example in the cabling. Operation manual for PVPM devices PV-Engineering GmbH...
- Page 29 12.3.7.3 Dialogue language PVPM.disp supports the dialog languages English and German. The language can be changed during program execution. Just select your desired language from the combobox “dialog language”. After you close the dialog Operation manual for PVPM devices PV-Engineering GmbH...
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Page 30: Diagram
Into the field „remark “you can write your notes. These are stored along with measured data. The first line of the remarks is used as title of the diagram. With the button “Clipb” you can copy important data in a tabular form to the clibboard and then for example into MS Excel. Operation manual for PVPM devices PV-Engineering GmbH... -
Page 31: Results / Lists
By clicking the option ”Display data list“ in the local menu a window with the measured characteristic data (in a list) appears. 12.6 Help (not yet implemented) 12.6.1 Contents Displays the contents of the online help. Operation manual for PVPM devices PV-Engineering GmbH... - Page 32 12.6.2 Search Here you can search within the online help. 12.6.3 Use help Basic hints for the windows help system. 12.6.4 Info Displays an information window with the version number of the program. Operation manual for PVPM devices PV-Engineering GmbH...
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Page 33: Hardware Information
Flash disk 32MB (can store several 1000 results) Watchdog, real time clock No mechanically moved parts like hard disk, fan etc. 13.4 Display: Bright TFT touch display with LED back-light, resolution 480 x 272 pixels, Operation manual for PVPM devices PV-Engineering GmbH... -
Page 34: Operation
-10°C to 85°C 5% to 95% 13.9 Optionally available: Software for MS-Windows for the automatic generation of test reports • test leads e.g. with length 15m or 25 m (different lengths on request) • Operation manual for PVPM devices PV-Engineering GmbH... -
Page 35: List Of Symbols
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 Operation manual for PVPM devices PV-Engineering GmbH... -
Page 36: 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. Operation manual for PVPM devices PV-Engineering GmbH... -
Page 37: 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) Operation manual for PVPM devices PV-Engineering GmbH... - Page 38 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) Operation manual for PVPM devices PV-Engineering GmbH...
- Page 39 (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) Operation manual for PVPM devices PV-Engineering GmbH...
- Page 40 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 Operation manual for PVPM devices PV-Engineering GmbH...
- Page 41 16 I-U diagram: Explanation -40- fig: Resulting characteristic during series connection with bypass diode Operation manual for PVPM devices PV-Engineering GmbH...
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Page 42: Sample Curves
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 Shading and mismatch Reference characteristic Measured characteristic 100,0 200,0 300,0 400,0 500,0 600,0 U/Volt Operation manual for PVPM devices PV-Engineering GmbH... - Page 43 Monocrystalline <--> Amorphous Monocrystalline Module aSi - Module 10,0 12,0 14,0 16,0 V/Volt Result without errors V/Volt Small R - e.g.: match loss Comparison characteristic Measured characteristic 10,0 20,0 30,0 40,0 50,0 V/Volt Operation manual for PVPM devices PV-Engineering GmbH...
- Page 44 17 Sample Curves -43- Partly shading Comparison curve Characteristic with errors 10,0 15,0 20,0 25,0 V/Volt High loss due to shading Characteristic without shading Characteristic with 2 shaded regions V/Volt Operation manual for PVPM devices PV-Engineering GmbH...
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Page 45: Glossary
Through scattering (fog, haze, clouds) diffuse/ indirect radiation develops. 18.6 Generator Lat.: producer. Generators dissipate other forms of energy into current. In the photovoltaic the entirety of the interconnected photovoltaic modules is characterised as generator or as solar power plant. Operation manual for PVPM devices PV-Engineering GmbH... -
Page 46: Global/Total Radiation
The voltage which drops at the resistor is linear depending from the irradiation and can easily be measured with Operation manual for PVPM devices PV-Engineering GmbH... -
Page 47: Internal Series Resistance
FF = I pmax pmax The I-V-curve is the basis for the calculation of the effective solar curve, which then allows the determination of the peak power P and the internal series resistance R Operation manual for PVPM devices PV-Engineering GmbH... -
Page 48: Four - Wire Measurement (Kelvin Measurement )
3 - 4% of the assigned energy into light, photovoltaic generators respectively solar cells at present reach an efficiency of 11 - 17%, thermal solar plants between 25 and 40% regarding the solar radiation. Operation manual for PVPM devices PV-Engineering GmbH... -
Page 49: 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 Operation manual for PVPM devices PV-Engineering GmbH... -
Page 50: Konformitätserklärung Declaration Of Conformity
Originalfassung vor. A technical documentation is completely available. The operation manual of the device is available in its original version. Iserlohn, 01.10.2009 Dipl.-Ing. Klaus M. Schulte (Ort/Place, Datum/Date) Geschäftsführer/Managing Director Operation manual for PVPM devices PV-Engineering GmbH...