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Summary of Contents for NRG Systems 11174
- Page 1 Soiling Measurement Kit NRG SRA System | Kit #11174 Authors: Technical Services...
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Page 2: Table Of Contents
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit TABLE OF CONTENTS INTRODUCTION MATERIALS & TOOLS Inside the Kit ......................... 4 Required Tools ......................4 SECTION 1: ASSEMBLING THE SOILING MEASUREMENT KIT 1.1 Open and unpack all items..................5 1.2: Mount upper U-bolt to tower, ................6 1.3: Mount PV panel assembly to upper U-bolt. - Page 3 NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 2.5: Connect PV panel to the SymphoniePRO logger & iPack........14 2.6: Affix Interface Module to DIN rail & wire snesor signals to the logger wiring panel.15 2.7: Reconnect wiring panel to the logger..............16 SECTION 3: LOGGER PROGRAMMING &...
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Page 4: Introduction
SRA System | Soiling Measurement Kit INTRODUCTION This document explains how to integrate the Soiling Measurement Kit onto NRG Systems’ SRA tower. The process includes assembling and installing hardware to the tower and shelter box, wiring the system to the logger, and configuring the logger channels to read the signals. The Soiling Measurement Kit can be installed on any NRG Systems Solar Resource Assessment (SRA) tower equipped with a SymphoniePRO logger. -
Page 5: Section 1: Assembling The Soiling Measurement Kit
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit SECTION 1: ASSEMBLING THE SOILING MEASUREMENT KIT 1.1 Open and unpack all items. Verify that all contents are present and undamaged. Leave PV panel assembly inside the box for now to prevent the panels from getting scratched. Figure 1-1: Packaged Soiling Measurement Kit SRA Soiling Measurement Kit Instructions support@nrgsystems.com | Page 5... -
Page 6: Mount Upper U-Bolt To Tower
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 1.2: Mount upper U-bolt to tower, Mount upper U-bolt (Figure 1-2, right) and bracket near the top of the NRG SRA tower using the 3/4” wrench (Figure 1-3). Make sure that the 7/16” bolt heads are facing down and the slide nuts are facing upwards. -
Page 7: Mount Pv Panel Assembly To Upper U-Bolt
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 1.3: Mount PV panel assembly to upper U-bolt. If desired, remove the slide nuts and add Loctite to the threads. Allow to dry slightly, then reattach slide nuts to the bolts, leaving them loose. Otherwise, loosen the slide nuts on the upper U-bolt bracket so they are flush with the end of the bolts (Figure 1-4). -
Page 8: Attach The Angle Adjustment Boom To Pv Assembly
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit Center PV panel assembly and tighten mounting bolts with the 7/16” wrench (Figure 1-6). Do not overtighten bolts. Figure 1-6 1.4: Attach the angle adjustment boom to PV assembly. Attach angle boom to the lower mounting rail of PV assembly approximately 4.5” from the left side of the rail (Figure 1-7). -
Page 9: Mount The Angle Boom To The Tower
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 1.5: Mount the angle boom to the tower. Disassemble the lower U-bolt assembly but leave slide nut/bolt attched through the outer bracket (Figure 1-8). Figure 1-8 Remove the rubber angle boom end cap and insert slide nut/bolt/bracket into channel opposite the SRA tower. -
Page 10: Adjust The Pv Panel Angle
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit Attach lower U-bolt to the tower at this location and 90 degrees clockwise of the upper U-bolt. Insert inner bracket and spacers onto the ends of the U-bolt. Place outer bracket and angle boom through the ends of the U-bolt (Figure 1-9). -
Page 11: Secure & Tighten All Hardware
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 1.7: Secure & tighten all hardware. Tighten down all hardware sufficiently enough to prevent any unwanted movement (Figures 1-12, 1-13, 1-14). Figures 1-12, 1-13, 1-14: Tighten the bolts in the system. The system is now ready to be wired to your SymphoniePRO data logger. SRA Soiling Measurement Kit Instructions support@nrgsystems.com | Page 11 Rev. -
Page 12: Section 2: Wiring And Mounting The Interface Module
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit SECTION 2: WIRING AND MOUNTING THE INTERFACE MODULE The Soiling Measurment Kit comes with an Interface Module used to create usable data for your SymphoniePRO data logger and mounts inside the FRP shelter box on the included DIN rail section. Figure 2-1: Interface Module, cabling, DIN rail, mounting bolts &... -
Page 13: Mount Din Rail To Shelter Box Back Plate
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 2.2: Mount DIN rail to shelter box back plate. Unplug and remove the SymphoniePRO wiring panel cable. Attach DIN rail to the interior of the FRP shelter box approximately 6” from the top using the 3M VHB tape (Figure 2-2). -
Page 14: Mount The Imt Tm-V-4090 Temperature Amplifier Boxes
NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 2.4: Mount the IMT Tm-V-4090 Temperature Amplifier Boxes. The Clean and Dirty PV panels have IMT Tm-V-4090 temperature sensors mounted on them. The amplifier boxes need to be mounted to the back side of the shelter box with adhesive tape. 1. - Page 15 NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 2.6: Affix Interface Module to DIN rail & wire snesor signals to the logger wiring panel. Attach the wired Interface Module onto the DIN rail and connect the other end of the 4C cable to the wiring panel.
- Page 16 NRG INSTRUCTIONS SRA System | Soiling Measurement Kit Figure 2-6 2.7: Reconnect wiring panel to the logger. Reattach your SymphoniePRO wiring panel cable. The Soiling Measurement Kit is now completely wired and ready to be programed into your SymphoniePRO logger. SRA Soiling Measurement Kit Instructions support@nrgsystems.com | Page 16 Rev.
- Page 17 NRG INSTRUCTIONS SRA System | Soiling Measurement Kit SECTION 3: LOGGER PROGRAMMING & CONFIGURATION Open SymphoniePRO Desktop Application, connect to the logger and navigate to the Channels tab in the sidebar. Expand the desired channels for the Soiling Measurement Kit. For the purposes of these instructions, channels 21, 22, 24, 26 are used.
- Page 18 NRG INSTRUCTIONS SRA System | Soiling Measurement Kit Temperature Soiled: Expand Channel 22 and choose “Custom Analog 0-1V” from the “Load From Defaults” drop- down menu. Choose “P-SCM #9135, (0 to 30) V, SE Input, Constant 12V EXC” from the SymphoniePRO Signal Conditioning Module (P-SCM)”...
- Page 19 NRG INSTRUCTIONS SRA System | Soiling Measurement Kit Soiled: Expand Channel 26 and choose “Custom Analog 0-5V” from the “Load From Defaults” drop- down menu. This will auto select “P-SCM #9132, (0 to 5) V, SE Input, Constant 12V EXC” from the SymphoniePRO Signal Conditioning Module (P-SCM)”...
- Page 20 NRG INSTRUCTIONS SRA System | Soiling Measurement Kit 3.1.3 Saving the Channel Configuration When all the channel configurations have been edited and are ready, click the “Save To Logger” button at the top of the Channel Configuration page. Note: It is a good idea to save the .LGR configuration file on your computer as well as to the logger. the Logger drop down menu in the upper right hand corner of the application screen and select “Save Instrument Configuration File.”...
- Page 21 NRG INSTRUCTIONS SRA System | Soiling Measurement Kit One good reference paper which defines a soiling ratio is called “Accurately Measuring PV Soiling Losses with Soiling Station Employing Module Power Measurements”. If you are unsure how to process the data, please consult with your analyst, as there are various ways to handle the data. SRA Soiling Measurement Kit Instructions support@nrgsystems.com | Page 21 Rev.
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