HA473461 Iss6 Outdoor Solar Central Inverter

8/12/2019 HA473461 Iss6 Outdoor Solar Central Inverter

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Catalogue 2009Outdoor Central Solar Inverter890GT-S Product Brochure


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Outdoor Central Solar Inverter890GT-S Series

DescriptionThe result of over three decades of experience in power

conversion and a commitment to sustainable energy,Parker offers unique solutions for solar power. The Out-door Solar Inverter is a megawatt class free-standingpackage designed for utility scale PV solar eld applica-tions. A high ef ciency design integrates proven IGBTpower conversion and low loss powdered metal core in-ductors with Parkers ground breaking two-phase cool-ing technology. No air conditioner is required , as thepower semiconductors, inductor, and internal ambientair are cooled by Parkers two-phase advanced coolingsystem. Integrated combiner panel and multiple accesspanels make installation and scheduled maintenance abreeze.

FeaturesDirect outdoor installation, no shelter required

IP65, dust-tight sealed enclosureMultiple panels for connections andcomponents provide for accessibility fromexterior of unit

Field replaceable inverter modules

Parker advanced 2-phase liquid cooling system

Integral HMI touchscreen with InteractX

Meets ARRA Made in America requirement

Modular DesignThe Parker Outdoor Central Solar Inverter employs a uniquemodular design for ease of maintenance and service. Outputpower is handled by replaceable phase modules, which are cooledby Parkers advanced 2-phase cooling system, with no fans

required. Each module contains IGBT power semiconductors, longlife film capacitors, and gate drive circuitry. The easily removablemodules weigh only 16 kg (about 35 pounds), and average timeto swap is under 15 minutes. Cooling and AC power connectionsare quick disconnect type, with connections made as module isinstalled. AC output filters also utilize a modular tray design foreasy maintenance. This unique modular construction offers anextremely low MTTR for high system availability.


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Dimensions (mm/in)


Environmental Ratings

Ambient Temperature Range -20 to 55 deg C, -40 deg C option available (See AC output speci cations)

Relative Humidity 0-100% condensing

Max. Altitude without Derating 1000 metersCorrosion resistance >600 hours salt fog per ASTM B117-11 (option)

Mechanical Data

Environmental Protection Rating IP65, EN60529

Size (W x D x H) mm (in) 3272 (128.8) x 1679 (66) x 2646 (104.2) See detail below

Weight (approximate) 4000 kg/8820 lb

Cooling System 2-phase Parker advanced cooling

Compliance to Standards

European Certi cations CE: LVD,EMC, G5/4 & G59/1 (pending)

North American Certi cations UL1741 pending

Harmonics IEEE 519, IEEE 1547

EMC EN61000-6-2, EN 61000-6-4

Forklift tubes

Forklift tubes


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Smart OperationThe Parker 890GT-S includes features that make it friendly to the grid. Inverter trips and disconnections areminimized in the rmware, ensuring that the inverter remains a valuable asset to the user, and not a liability tothe health of the grid during disturbances.

- Communications capabilities allow fast and accurate monitoring and control of all inverter functions.

- Real and reactive power support enables the inverter to help mitigate voltage excursions, taking the burdenoff the electric utilitys traditional voltage and frequency regulating equipment.

- Dynamic VAR injection provides reactive power (Q, measured in VARs) when called upon. In addition to itsprimary purpose of feeding active power (P, measured in watts) from the solar panels to the grid, the 890GT-S

can, within the obvious limitations of rated current and power factor, produce a reactive power component ondemand.

- Expanded frequency trip point allows continued operation without disconnection during many grid frequencyexcursions.

- Low-voltage ride through capability (LVRT) ensures that the 890GT-S will not trip during transientdisturbances, thus avoiding making the situation worse by dropping of ine.

Visualization/HMIStandard 890GT-S Central Solar Inverters include a Parker 10 industrial hardened workstation as a supervisoryHMI. The workstation includes an SVGA display with analog resistive touchscreen, and has a built-in solid statehard drive for fast and reliable data storage. The pre-programmed operating and monitoring screen run on ParkerInteractX software for advanced graphics, historical trending, and sophisticated communication capabilities.

Control and DiagnosticsThe HMI is accessible from outside the enclosure, covered by a protective door. The HMI provides a wealth ofuseful operating data on a real-time basis. Data is presented on a number of concise screens using an easy-to-navigate menu structure. An Electrical Overview screen includes operating mode, inverter output kW orVARs, critical voltages and currents, and solar panel performance data. The Thermal Overview screen takesfull advantage of over 60 internal temperature monitoring points, giving the operator an overall view of thermalstatus. Coolant flow, level, and temperature are closely monitored, as is the speed and status of the fans.

Additionally, screens dedicated to alarms and data trending provide for efficient diagnosis and status reports.By virtue of the InteractX software, display screens can be customized for your system, allowing visualizationof virtually any operating parameter. Also provided, accessible by an exterior panel, are hardware switchesfor inverter on/off, local/remote, lighting, and control power, an Emergency Power Off button, and a localcommunication port.

Features


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Field Diagnostics PV Cell current (by string) Ground current

Basic Parameters Grid voltage and current DC bus voltage and current Power factor Performance Target and actual kilowatt output Target and actual kVAR output Target and actual power factor Power output ramp rates

Efficiency Cumulative energy output

Climate Control Diagnostics Coolant levels Fan speeds Pump and fan status Over 60 internal temperature points Coolant temperature IGBT temperature Contactor temperatures Choke temperatures Busbar temperatures Air temperature and humidity

Digital chart recorder Customizable SCADA interface SQL database with solid state drive Displays and records any parameter Displays real time or log

SecurityThe HMI may be set up for an administrator and multiple users, with up to five levels of passcode protectedaccess. Operators, supervisors, and technicians can be provided with access to only the levels that they havethe need to work with, without exposing sensitive or critical parameters. InteractX simplifies record keepingcompliance by tracking operator input and providing electronic signatures that are easily configured withno special scripting or programming required. The inverter system uses a non-routable private IP, allowingintegration with your established firewall. If you are interested in remote access, Parker can recommend aprogram that includes full encryption, based on RSA private-/public key exchange and AES (256 Bit) sessionencoding. This technology is based on the same standards as https/SSL. On the hardware level, a heavy gaugesteel enclosure with lockable access panels prevents unauthorized tampering or access.


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Operating ModesBasic operating modes include Grid Parallel (current mode) and Island (voltage mode) Slew rate control for both realand reactive power make the AC890GT-S grid friendly, and MPPT control ensures the maximum energy harvest, evenduring non-optimum days.

ProtectionThe Parker Outdoor Central Solar Inverter is equipped with a comprehensive list of protective devices for safe andreliable operation.DC Inputs: Fuse, current sensor on each leg. Contactor disconnect and ground fault current sensor.DC Bus: Fuse protection.

AC Output: Circuit breaker, phase current sensors (2).

Energy Management ModesThe 890GT-S includes sophisticated energy managementcapabilities that allow the user to reap maximum energyoutput, maintaining performance during grid frequency orvoltage excursions, while maintaining compliance with most oftodays codes and standards.

Voltage Ride-through/Droop Response - In additionto basic low voltage ride-through (LVRT), the 890GTautomatically injects available reactive current if line voltagedroop is sensed.

FqRT/Frequency Ridethrough - Output current is limitedfor increasing frequency.

VAR or Power Factor Control - Command the powerfactor required.

Battery Energy Storage IntegrationEnergy storage is recognized as an enabler for the addition of renewable power sources. By combining storage withgeneration, a complete grid interactive system is created. Ramp control algorithm for both active power and VARsmakes the Parker 890GT-S Solar Inverter easily adaptable to energy storage. With common communication platformand protocols, the inverter may be seamlessly integrated with Parkers 890GT series energy storage PCS. With over 85Megawatts installed, Parker has a proven track record in energy storage. Systems are not limited to a particular batterychemistry, and are modular in construction for easy transport and deployment.


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Parker Advanced Cooling SystemThe small footprint and high reliability of the Parker Outdoor CentralSolar Inverter is made possible by an advanced cooling system.

Parkers exclusive coolant-based system uses a non-conductive, non-corrosive liquid to cool critical components. The refrigerant used in thistwo phase system requires only 13% of the flow rate of an equivalentwater/glycol based system. By capitalizing on the tremendous amountof heat that is transferred as the refrigerant vaporizes, then releasingthe heat through a condenser, the cooling system runs efficiently andeffectively, without the need for a compressor. Redundant systemcomponents will allow inverter operation even after loss of a pumpor a fan. (Output may be reduced under certain operating conditions)Compared to air cooling, IGBT temperatures are kept more constant,with less excursions over time.

Advanced cooling is used on both the IGBT devices and the highefficiency inductors, as well as with the unique cool door feature,circulating temperature controlled air inside the sealed enclosure.Heat from the coolant loop is removed by an isolated heat exchanger,with no air exchange from the enclosure interior to the outsideenvironment. Heat exchanger fans are variable speed for maximumefficiency. They are designed for redundancy, and are monitored forrotation. In the event of a fan or coolant pump malfunction, the inverterwill continue to operate, folding back power if necessary. The coolingsystem is designed for a minimum of maintenance, and there are noair filters to change.

IGBTs mounted on cold plate (Cover removed for clarity) Quick-break no-leak coolant connectors


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Transformer Coupling ProvisionThe 890GT-S is designed to be easily pad mounted/skid mounted with a transformer, and includes a connection chuteto protect the three phase output lugs.



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Outdoor Central Solar Inverter890GT Series


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2013 Parker Hannin Corporation. All rights reserved. Parker Hannifn CorporationEnergy Grid Tie Division9225 Forsyth Park Dr.Charlotte, NC 28273 USA Tel: (704) 588-3246 Fax: (704) [email protected]/gridtie

HA473461 Iss6, Nov 2013

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HA473461 Iss6 Outdoor Solar Central Inverter