Summary of Contents for Eaton Power Xpert Solar 1500
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Power Xpert Solar 1500/1670 kW Inverter Utility-Scale Photovoltaic Inverter Installation and Operation User Manual Effective October 2014 New Information...
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OBLIGATION OF EATON. THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential...
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Scope of the Manual Target Audience This manual describes the installation, operation, and maintenance of the Eaton Power Xpert Solar 1500/1670 kW Inverters. This manual is intended for professionals working in the photovoltaic industry. The information provided will enable Architects, Consultants, Contractors, Engineers, Solar Integrators, and Utilities to successfully specify, order, design-in, install, commission, operate, and maintain the inverter.
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Power Xpert Solar 1500/1670 kW Inverter Support Services The goal of Eaton is to ensure your greatest possible satisfaction with the operation of our products. We are dedicated to providing fast, friendly, and accurate assistance. That is why we offer you so many ways to get the support you need. Whether it’s by phone, fax, or email, you can access Eaton’s support information 24 hours a day, seven days a week.
CAUTION indicates a hazardous situation that, Nomenclature and Glossary if not avoided, could result in moderate or In this document, the Power Xpert Solar 1500/1670 kW minor injury. Inverter is referred to as Power Xpert Solar or the Inverter. When this symbol appears in this document or...
Always work with another person in case an emergency occurs. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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De-Energizing the Inverter De-Energizing the Inverter Procedure Turn the ON/OFF function on the HMI (LCD) to the OFF The Power Xpert Solar 1500/1670 kW Inverter is designed to position. be connected to photovoltaic DC energy and export AC energy. It stores a significant amount of capacitance The inverter will de-energize when the ON/OFF function electrical energy.
GROUNDED CONDUCTORS MAY BE UNGROUNDED AND ENERGIZED. Limitations The Power Xpert Solar 1500/1670 kW Inverter is designed and tested to the UL508C and UL 1741 standards. As with all electrical/electronic equipment, this document cannot possibility anticipate all site, installation, or operation variances.
Power Xpert Solar 1500/1670 kW Inverter Product Description Product Information and Labeling The Power Xpert Solar 1500/1670 kW Inverter is designed Complete inverter specifications are listed in Appendix A. for commercial and utility-scale photovoltaic systems. The most up-to-date inverter information and documentation Engineered for ease-of-installation, operation and is available on the internet.
Power Xpert Solar 1500/1670 kW Inverter Inverter Overview and Highlights The Power Xpert Solar 1500/1670 kW Inverter is a central-type photovoltaic inverter designed specifically for grid-tie utility applications employing photovoltaic modules arranged in a series-circuit manner to form 1000V-strings as per NEC. The inverter is comprised of three 500/555 kW power stacks fed from a common DC (PV) bus and culminating in a single 3-phase 1500/1670 kW AC output.
Outdoor rated single-box inverter design with direct (throat-connected) MV transformer—non-skid design Eaton’s Cooper direct-throat connected medium voltage pad-mount transformer to match utility connection 120 Vac power (available terminal strip with L-N-G 120 Vac for monitoring gateway, etc.; 3 A, 360 W nominal loads) Available, VAR/PF control;...
Figure 5 schematic diagram and Figure 6 isometric illustration. Figure 5. Major Components Diagram: Inverter and Step-Up Transformer Figure 6. Power Xpert Solar Inverter with Step-Up Transformer Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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Up to 600 kcmil single-conductor lugs are acceptable as 1/4 inch thick tin-plated copper bus utilizing two-hole listed in Table 3. Consult Eaton for conductors larger than compression lugs as outlined in Table 3. The fuses are 600 kcmil or when dual-conductor (per terminal) usage are closed-coupled to the bus.
Power Xpert Solar 1500/1670 kW Inverter Table 3. DC Input Fuse Re-Combiner Options: Power Xpert Solar 1500/1670 kW Inverter Number of Inputs Fuse Ampacity Compression Lug Compression Lugs Recommendations Typical Usage 2-Hole: 1/2 inch dia. at 1.75 inch spacing —...
DC input voltage and AC output voltage. Figure 7. Power Xpert Solar: Inverter Power Module and Power Stacks Power Xpert Solar 1500/1670 kW Inverter Power Stacks Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
(red arrow). The result is an efficient cooling and ventilation system where forced-air exiting the heat-exchanger is utilized to cool the inductor and capacitors (LC cabinet) before exiting the inverter. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Installation Instructions Installation Instructions Connect the Power Xpert Solar 1500/1670 kW Inverter to the Unloading and Moving Procedure photovoltaic array and utility per the NEC, ANSI/NFPA70 The inverter can be transported locally by crane or forklift. requirements. Additional utility and local codes may also Direct Crane from the delivery-truck to inverter pad is highly apply.
Installation Instructions Mechanical engineering drawings, in 2D DWG format, are available for use in designing and planning a photovoltaic system using the Power Xpert Solar 1500/1670 kW inverters. Consult Eaton for access to these drawings. Figure 13. Inverter Cabinet Locations...
Anchoring Requirements—Concrete Pad and Seismic Outdoor The Power Xpert Solar 1500/1670 kW Inverter must be bolted to a mounting pad or structure. Installation shall be in The inverter is designed for outdoor installation. Following accordance with utility, seismic, and wind requirements in the working clearances specified in Table 5, no additional effect at the location for electrical equipment of the project’s...
24 devices and electrical limit of 5600 amperes (reference Inverter DC Section on Page 9 for more information). Table 6. Re-Combiner Input Options: Power Xpert Solar 1500/1670 kW Inverter Compression Lug Compression Lugs Number of Inputs Option 2-Hole: 1/2 inch dia.
The basic electrical connections locations are illustrated in Figure 17. The PV-conductor securing methods are illustrated in Figure 18 and Table 7. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
3/8 = p/n SP-231120 1/2 = p/n SP-291325 Not provided, use Grade 5, minimum 1/2, 3/8, or 5/16 Grade 5 Bolt, typ. as Not provided, use Grade 5, minimum per location and compression lug Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Figure 19. Typical Mounting with MV Transformer AC Circuit Breaker Access Detail Transformer Lifting Feature Bushing Centerline to Base 40.0 Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
This means that a grounded (neutral) configuration should not be used. Only Delta or Wye ungrounded configuration on OUTPUT PHASE low voltage side should be used. ROTATION SEQUENCE A−B−C Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Table 3 and Table 6. Figure 22 and Figure 23 illustrate the connection points. When planning for cable-routing, the grounded-conductor bus terminals will match the number of OCPD (fuse) inputs utilized on the non-grounded bus. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
When planning for cable-routing, the EGCs conductors will match the quantity of the grounded and non-grounded PV circuits at the inverter’s re-combiner, coming from each source-combiner, array sub-combiners, or external PV-disconnects. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
The inverter is configured as a 3-wire only. No neutral wire for a 4-wire grid connection configuration is allowed. Apply a tamper-proof torque-marking paint, once the ● fasteners are properly torqued. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Consult with Eaton for both the inverter and step-up transformer configurations and options prior to order. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Supervisory Control and Data Acquisition (SCADA) system is available via Modbus protocol. More details are covered in the Communications Manual. Consult with Eaton sales representative. Figure 26. Inverter AC Cabinet Section PROTECTION RELAY TBC1 CONTROL POWER CAPACITORS Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Allow at least 2 weeks for commissioning services after completing the pre-commissioning installation checklist and scheduling the service. Note: Due to the nature of PV systems, inverter commissioning is only conducted during dry weather. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Commissioning Procedure Energize and Operation Procedure: Automatic Operation The Power Xpert Solar 1500/1670 kW Inverter requires a commission process to be completed to establish the date of Do not proceed to the energize and operate the inverter commission and start-up for warranty purposes.
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In this case 1500 is Inverter will now be in the CHARGING state. The DC selected (i.e., the Power Xpert Solar 1500 kW Inverter). buses will begin to charge. DS1, DS2, DS3 need to be closed manually within 30 seconds of the icon-button’s...
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SLEEP to WAKE UP to EXPORT. Once the inverter is in the EXPORT state contactors K8, K9, and K10 will close. See images below 11. The Inverter is now in the EXPORT state. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Disable. Contactors K8, K9, and K10 will The Power Xpert Solar 1500/1670 kW Inverter is designed to open. The Inverter will now be in the READY state. be connected to AC and PV-DC voltages sources. It stores a...
PV Systems: Understand and verify all sources of external ● power connected to the inverter, including backfeed from the photovoltaic system, other inverters, loop-feed transformers and their common points of utility connection. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
• Return Flow Application Custom • Customer Specific Temperatures 2 • Application Specific • IGBT Module Temps Standard version displays • Total MWh general purpose MF I/O status • Real/Reactive Power Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
(Vac), yet not have enough irradiance to support either the minimum voltage or export-power wattage. These are “normal” solar-system conditions and events. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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AC voltage and frequency are within specifications The inverter stacks are synchronized with the AC line ● (AC voltage waveform and frequency). The solar array is supplying sufficient power to inverter ● (typically greater than 7500 W) Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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To access the fault, navigate to the fault! menu, where the date, fault code and a short description is displayed. Troubleshooting, beginning on Page 43, covers the ● troubling-shooting aspects of the inverter. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Maintenance Maintenance The Power Xpert Solar 1500/1670 kW Inverter is easy to maintain. No periodic adjustments are required. Only basic field-wiring, systems checks and inspections are required. The monitoring system is designed to alert to operator of a case requiring non-periodic maintenance. Only qualified personnel shall maintain the inverter.
Lose Cables ❑ – Soiling Evidence of “hot spots” at ❑ ❑ Note for future maintenance Connections ❑ AC Grid Connections ❑ Labels (sun faded?) Vandalism /Damage ❑ Other as Specified ❑ Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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— — Check for Software upgrades (consult Eaton) ✔ Main LV Circuit Breaker Inspecting and — — Inspect and test main LV Circuit Breaker testing – Repair or replace as necessary Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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An annual inspection should be made on all electrical Rinse the filter with a stream of water, and let the filter connections and wiring. The rated torque values for bolted completely dry. connections are provided in Appendix D. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
(grid) are within specification. While complex engineering-level diagnostic steps are outside the scope of this manual, understanding the available faults and warnings will give rise to determining if an internal event adversely affected the INVERTER. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
DC disconnects remain closed (DS1, DS2, DS3) ❑ Alternatively; ■ Re-Enabling the inverter issues a “Clear Warning” condition to the inverter. ❑ Note that the underlying condition(s) originally causing the fault must be remedied. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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NOTIFY Items that address servicing the inverter Figure 28 on Page 46 contains a machine state diagram of the inverter’s operational states, which can be helpful for diagnostics and troubleshooting. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Check the 400 A LC filter fuses in Stack 2 (continuity check) Indicates one of the filter-capacitor fuses ■ F16 –FSW4 | F17 –FSW5 | F18 –FSW6 failed in Stack 2. ■ Circuits from CAUX2-J3-7 to TB11-9 Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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External Fault 3 – TB9-4 – PIB J14-5 (+24 Vdc) ❑ External Fault 4 – TB9-5 – PIB J14-6 (+24 Vdc) ❑ Customer/Eaton: specific to implementation ■ XCF1–XCF4 Definable Faults User Defined Fault Future provision. Definable Faults. Consult Eaton ■ Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
2. Check for 280 Vdc across TB2-4 (wire 18RD608) and TB2-12 (wire 18BK614) 3. Check for 280 Vdc across TB2-1 (wire 14RD603) and TB2-9 (wire 14BK604) 4. Replace power supply if defective 5. Contact Eaton for a SIB12 failure Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Detection of current into the array greater than 1. Check HMI Monitors, Main menu; polarity of “Export Power'” –25 Amps for 10 seconds. 2. Check for damaged modules 3. Verify GFDI fuse F3 is intact Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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(Nominal value = 320/356 Vac) 1. Check transformer taps for proper set-up ratio can indicate Trip level: 400/445 Vac > 1 msec incorrect MV-transformer or mains’ transformer taps 2. Check inverter voltage-sense transformer TR1B wiring Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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30 sec. Fuses F78 -83 1-Amp ■ ■ Resistors R7A-C | R8A-C | R9A-C wiring at TBT/R5 /R6 /R7 3. Check CAN Board CAUX4 connector J5 wiring to/from TBT/R5 / R6 /R7 Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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(96 °C) for 2 seconds 2. Check SIB3 for physical damage, ribbon-cable connectors to/ from M3C module Never use non-ESD free Vacuum equipment or compressed air to clean the inverter Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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Under-Frequency Grid under-frequency alarm SEL set for UL1741 grid-tie parameters: incompatible with low-frequency ride-thru Frequency <95% Rated Frequency [57 Hz] for 1.2 sec ■ Check for/if SCADA control seeking low-frequency ride-thru Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
1. Verify utility-grid voltage and frequency outside of the IEEE1547 under or over voltage 2. Verify utility-grid is within SEL settings SEL settings, else under or over the frequency SEL settings. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
GFDI circuit between the grounded-PV located at the top. re-combiner bus (bar) and the GET (Equipment Ground Bus) in the DC section (cabinet), as illustrated in Figure 29. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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Once the fault is repaired, install a new 5 A F3 fuse if ● damaged (check fuse for an open circuit: ∞ Ohms) ● Re-set (close) CB3 ● Re-cycle inverter power ● Turn-on the inverter ● Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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Conduct an inverter (Stack) diode and capacitor check. positive-ground inverters. They cannot be field-changed and retain the factory UL1741 certification. Consult Eaton if damage is found. The inverter stacks will have to be replaced. If a Ground-fault problem persists contact Eaton.
Troubleshooting Figure 29. The GFDI Connection Points Re-Combiner Grounded-Conductor Bus: Ckt 101 +24V Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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A type of 3-phase transformer without a neutral (central) connection. Eaton ....Manufacturer of the Power Xpert Solar 1500 kW Grid Tie Inverter Series Grid Tie Inverter.
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“one thousand circular mils” and is equivalent to kcmil used in the NEC. For a metric equivalent of area in thousands of circular mils, 1 kcmil equals 0.5067 mm Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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(kVA) in the facility’s circuits. Typically expressed as a percentage, where 100% is perfect power (unity) where the kW equals the kVA and reactive power is supplied by the utility. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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VFI ....Vacuum Fault Interrupter. Switchgear employed in the medium-voltage transformer for fault interruption and convenient load-switching of 15, 25, and 35 kV systems. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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Typically rated at 208 V and 480 V for commercial services. 208 V L–L has 120 V L–N … 480 V L–L has 277 V L–N. Note: Reference citation: NAPF 70: National Electric Code 2011. Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Individual fuses as per NEC 690.8 (A) (B) 400 A (3L format fuse): ■ Total amperage limitation: [∑(PV-Isc) ≤5600 A] When mixing the 400 A 3L-format fuse with the 2XL format fuses: consult Eaton ■ ■ Physical quantity limitation: 24 ■...
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0 to 100% Non-Condensing Inverter Mounting (including transformer) Pad [Skid Mount, consult Eaton] Cooling Self-contained: closed-loop pressurized liquid cooling and forced-air convection Maximum operating altitude 3300 ft (1000 m) [higher altitudes possible with de-rating] Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Over frequency (Hz) 60.5 — 0.16 +0 / –40 Slow Under frequency (Hz) 59.3 — 0.16 +0 / –40 59.8–57 Hz; 0.16–300 sec Fast Under frequency (Hz) — 0.16 +0 / –40 Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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3/8-16 x 2 inch lg. SS bolts and washers (4 places, underneath each end) and torque to 6 ft/lbs (8 Nm). Tighten jam nut at each location to secure assembly. DO NOT OVER-TIGHTEN! Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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AC = AC Control Power and AC Output Cabinet Section LC = Inductor and Capacitor Cabinet Section (magnetics cabinet) WTR = Cooling System Cabinet (Blower and Heat-Exchanger) CC = Control Cabinet Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
Illustrated is the 60 A rating of CB4. The kVA rating is based upon the inverter’s nominal output voltage; 320 Vac for the 1500 kW unit and 357 Vac for the 1670 kW unit. Figure 33. Location of CB4 in the Electrical Path Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
The log should also describe what maintenance was performed. Please submit the log to your Eaton representative. Table 24. Maintenance Schedule Record Date: DD/MM/YY Items Identified Items Corrected Person Performing Maintenance Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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Appendix J Appendix J Notes Date Notes Other Power Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com...
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