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DCR-1500 RE-COMBINER
User's Manual
www.solectria.com
Copyright 2021 Yaskawa Solectria Solar 10-05-2021

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Summary of Contents for YASKAWA DCR-1500

  • Page 1 DCR-1500 RE-COMBINER User’s Manual www.solectria.com Copyright 2021 Yaskawa Solectria Solar 10-05-2021...
  • Page 2: Table Of Contents

    WARRANTY & RMA INSTRUCTIONS ......................17 APPENDICES ..............................17 FIGURES Illustrated Usage of the DCR-1500 Re-Combiner in the SOLECTRIA PVS-500 Energy Storage System The DCR-1500 DC Re-Combiner Components DCR-1500-500 Temperature De-Rating Curve Front and Back of the PVS-500 Rack-Mounted Equipment: AC Combiner, DC Re-Combiner, and three...
  • Page 3: Important Safety Instructions

    This manual contains important instructions that must be followed during installation and operation of the DCR-1500 Re-Combiner. To reduce the risk of electrical shock and to ensure the safe installation and operation of the Re-Combiner, the following safety symbols are used to indicate dangerous conditions and important safety instructions.
  • Page 4: Product Overview

    2. PRODUCT OVERVIEW The DCR-1500 Re-Combiner functions as the DC bus in the SOLECTRIA PVS-500 DC- Coupled Energy Storage System and is designed and listed exclusively for use in the SOLECTRIA PVS-500. Refer to the illustration in Figure 1.1 showing its general usage within the SOLECTRIA PVS-500.
  • Page 5 (*400A fuse used with DPS-250. Single fuse 400A DC DISCONNECT EQUIPMENT is standard; features included for parallel- SWITCHES 5x GROUND 5x connection of fuses) Figure 2.2 - The DCR-1500 DC Re-Combiner Components Yaskawa Solectria Solar DOCR-071068-E Page 5 of 18...
  • Page 6: Ratings And Specifications

    3. RATINGS AND SPECIFICATIONS Specifications DCR-1500-500, DCR-1500-250 SPECIFICATIONS PV OUTPUT CIRCUITS (FIELD WIRED from PV Source Circuit Combiners) Cu: 1 or 2 cond, 500 kcmil; 1 cond, 750 kcmil Maximum Wire Size Compatibility Al: 1 or 2 cond, 500 kcmil; 1 cond, 750 kcmil EGC: 14 AWG –...
  • Page 7: Temperature De-Rating

    Temperature De-Rating The DC Recombiner, DCR-1500-500, has a combined current rating of 1,093 Amps. This rated combined current is subject to temperature de-rating as in Figure 3.1 below. Temperature De-Rating Curve 1200 1000 Ambient Temp (C) Fig. 3.1 DCR-1500-500 Temperature De-Rating Curve...
  • Page 8: Mechanical Details

    The DCR-1500 Re-Combiner comes pre-integrated as a component in the Solectria PVS-500 DC-Coupled Storage System. See Figures 4.1 – 4.3. The PVS-500 comprises an engineered rack that holds the DCR-1500 Re-Combiner, three XGI 1500 inverters, the AC Panel, and a Plant Master Controller (not shown). Except for the required field- wiring connections, the components on the rack are pre-wired and tested in the factory.
  • Page 9 LIFTING EYE 2X PV CIRCUIT SWITCHES 1100 9 x 20 SLOT 1900 1940 1940 Fig. 4.2 Re-Combiner Dimensions (mm), Front, Side and Bottom Views Yaskawa Solectria Solar DOCR-071068-E Page 9 of 18...
  • Page 10: Installation And Wiring

    1 cond x 750 kcmil per pole, Cu or Alum EGC: 3 AWG Cu, or 1 AWG Alum Figure 5.1 – Specs for Field Wiring to the DCR-1500 Re-Combiner STEP 1: Disconnect all Equipment Before Wiring to the Re-Combiner BEFORE removing the Re-Combiner’s covers: ...
  • Page 11 Figure 5.2 – Bottom face of the Re-Combiner, showing the area for conduit connections for the PV circuits, and the area with the factory-wired Communications Cable, and DC +/- to the XGI 1500 Inverters. All dimensions in millimeters. Yaskawa Solectria Solar DOCR-071068-E Page 11 of 18...
  • Page 12 2. Use an appropriately-rated sealant and seal the conduits fully to prevent the exchange of air between the conduit and the enclosure. Sealing the conduit will help prevent condensation in the enclosure. Yaskawa Solectria Solar DOCR-071068-E Page 12 of 18...
  • Page 13 1 cond at 750 kcmil Conductor Termination Single Conductor Dual Conductors Crimp Lug Crimp Lugs Fasteners A: 8mm flanged nut, SS (Supplied) Torque: 90 in-lb (10 Nm) Fig. 5.4 – Single and Dual Conductor Terminations Yaskawa Solectria Solar DOCR-071068-E Page 13 of 18...
  • Page 14 40mm wide plate Terminals Positive: 2 x 10mm Stud 35mm wide plate Max Conductor 350kcmil, 90C rated Recommendation 2 per Pole POSITIVE Fig. 5.5 – DynaPower DC/DC Converter Conductor Terminations inside the Re-Combiner Yaskawa Solectria Solar DOCR-071068-E Page 14 of 18...
  • Page 15 1. Verify that all connections meet the requirements of this User’s Manual. 2. Secure the Re-Combiner cover, ensuring that all fasteners are in place. 3. Consult the startup and commissioning procedures for the PVS-500 before energizing. Yaskawa Solectria Solar DOCR-071068-E Page 15 of 18...
  • Page 16: Operating Instructions

    User’s Manual and all warnings and ratings are observed. All Disconnect Switches must be OFF before working on the Re-Combiner. See also the User’s Manual for the PVS-500 Energy Storage System. Yaskawa Solectria Solar DOCR-071068-E Page 16 of 18...
  • Page 17: Warranty & Rma Instructions

    7. WARRANTY & RMA INSTRUCTIONS For warranty information, please visit: http://solectria.com/support/documentation/warranty- information/grid-tied-inverter-warranty-letter/ 8. APPENDICES Appendix A – Contact Information Yaskawa Solectria Solar 360 Merrimack Street Building 9, Suite 221 Lawrence, MA 01843 USA Tel: 978.683.9700 Fax: 978.683.9702 Sales/General Info: inverters@solectria.com...
  • Page 18 Appendix B - UL1741 Authorization to Mark Yaskawa Solectria Solar DOCR-071068-E Page 18 of 18...

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