Solplanet ASW LT-G3 Series User Manual

Solplanet ASW LT-G3 Series User Manual

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Summary of Contents for Solplanet ASW LT-G3 Series

  • Page 2: Table Of Contents

    ASW LT-G3 series inverter Table of Contents 1 Notes on this Manual ................................4 1.1 General Notes ............................4 1.2 Area of Validity ............................4 1.3 Target group.............................5 1.4 Symbols used in this manual ......................6 2 Safety ....................................... 7 2.1 Intended use ............................7 2.2 Important safety information ......................8...
  • Page 3 7.1 Electrical check ............................. 41 7.2 Mechanical check ..........................42 7.3 Safety code check ..........................42 7.4 Start-up ..............................42 Solplanet app ................................44 8.1 Brief introduction ..........................44 8.2 Download and install ......................... 44 8.3 Create an account ..........................45 8.4 Create a plant ............................
  • Page 4 8.5.1 Inverter configuration ........................53 8.5.2 Grid code settings ........................54 8.5.3 Active power reduction at overfrequency P(f) ..............55 8.5.4 Active power reduction at overvoltage P(U) ................58 8.5.5 Cosφ(P) curve configuration ..................... 62 8.5.6 Q(U) curve configuration ......................66 9 Decommissioning the product ............................
  • Page 5: Notes On This Manual

    1 Notes on this Manual 1.1 General Notes ASW LT-G3 series inverter is a three-phase transformerless string inverter with three to three independent MPPTs. It converts the direct current (DC) generated by the photovoltaic (PV) module into a three-phase alternating current (AC) and feeds it into the utility grid.
  • Page 6: Target Group

    1.3 Target group This document is for qualified electricians only, who must perform the tasks exactly as described. All persons installing inverters must be trained and experienced in general safety which must be observed when working on electrical equipment. Installation personnel should also be familiar with local requirements, rules and regulations.
  • Page 7: Symbols Used In This Manual

    1.4 Symbols used in this manual Safety instructions will be highlighted with the following symbols: DANGER indicates a hazardous situation which, if not be avoided, will result in death or serious injury. WARNING indicates a hazardous situation which, if not be avoided, can result in death or serious injury.
  • Page 8: Safety

    When designing the PV power plants, ensure that the values comply with the permitted operating range of all components at all time. The product must only be used in countries for which it is approved or released by Solplanet and the grid operator.
  • Page 9: Important Safety Information

    2.2 Important safety information Danger to life due to electric shock when live components or cables are touched. • All work on the inverter must only be carried out by qualified personnel who have read and fully understood all safety information contained in this manual. •...
  • Page 10 Risk of injury due to electric shock. Touching an ungrounded PV module or array frame can cause a lethal electric shock. • Connect and ground the PV modules, array frame and electrically conductive surfaces so that there is continuous conduction. Risk of burns due to hot enclosure parts.
  • Page 11: Symbols On The Label

    2.3 Symbols on the label Symbol Explanation Beware of a danger zone This symbol indicates that the inverter must be additionally grounded if additional grounding or equipotential bonding is required at the installation site. Beware of high voltage and operating current The inverter operates at high voltage and current.
  • Page 12: Unpacking

    3 Unpacking 3.1 Scope of delivery Object Description Quantity Inverter 1 piece Wall mounting bracket 1 piece DC connector 2 pieces Screw accessory 1 piece AC connector 1 piece 4G/ WiFi Stick (optional) 1 piece(optional) RS485 communication terminal 1 piece(optional) Documentation 1 piece Please carefully check all the components in the carton.
  • Page 13: Requirements For Mounting

    4.1 Requirements for mounting Danger to life due to fire or explosion. Despite careful construction, electrical devices can cause fires. • Do not mount the inverter on flammable construction materials. • Do not mount the inverter in areas where flammable materials are stored. •...
  • Page 14 Clearances for one inverter Clearances for multiple inverters UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 15 In order to avoid power reduction caused by overheating, do not mount the inverter in a location that allows long-term exposure to direct sunlight. Ensure optimum operation and extend service life, avoid exposing the inverter to direct sunlight, rain and snow. The mounting method, location and surface must be suitable for the inverter’s weight and dimensions.
  • Page 16 12. Never install the inverter horizontally, or with a forward tilt or with a backward tilt or even with upside down. The horizontal installation can result in damage to the inverter. 13. Mount the inverter at eye level for easy inspection. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 17: Mounting The Inverter

    Risk of injury when lifting the inverter, or if it is dropped. The weight of Solplanet inverter is max. 43 kg. There is risk of injury if the inverter is lifted incorrectly or dropped while being transported or when attaching it to or removing it from the wall bracket.
  • Page 18 Risk of injury due to the product falls down. If the depth and distance of the holes is not correct, the product maybe fall down from the wall. • Before inserting the wall anchors, measure the depth and distance of the holes. Insert three wall plugs into the wall and fix the mounting bracket to the wall by inserting three Screws (SW10).
  • Page 19 Dismante the inverter in reverse order. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 20: Handling The Product

    4.3 Handling the product CAUTION Risk of injury due to the weight of the product! Injuries may result if the product is lifted incorrectly or dropped while being transported or mounted.  Transporte e eleve o produto com cuidado. Ter em conta o peso do produto. ...
  • Page 21: Electrical Connection

    Heavy objects must be carried with balanced and steady force; the moving speed must be even and low; the moving speed must be steady and slow to avoid any impact or drop from scratching the surface of the equipment or damaging the components and cables of the equipment. When carrying heavy objects, special care should be taken when carrying heavy objects on workbenches, slopes, stairs and places where slips are easy.
  • Page 22: Safety

    5.1 Safety Danger to life due to high voltages of the PV array. When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter. Touching the DC conductors or the live components can lead to lethal electric shocks.
  • Page 23: Electrical Connection Diagram With A Separate Dc Isolator

    Object Description DC-switch MPP connector Communication interface(COM1 & COM2 are optional) AC terminal Additional grounding 5.3 Electrical connection diagram with a separate DC isolator Local standards or codes may require that a separate DC isolator should be installed next to the inverter. The separate DC isolator must disconnect each PV string of the inverter so that the entire inverter can be removed if the inverter is faulty.
  • Page 24: Ac Connection

    To Grid DC BOX INVERTER (optional) AC BOX Second DC INPUT AC OUTPUT grounding TO grounding electrode 5.4 AC Connection 5.4.1 Conditions for the AC connection Cable Requirements The grid connection is made using 5 conductors (L1, L2, L3, N, and PE). We recommend the following requirements for stranded copper conductor.
  • Page 25 Object Description Value External diameter 20…36 mm Copper Conductor cross-section 10…25 mm Note: If use aluminuim conductor please connect our service department. Cable Design The conductor cross-section should be dimensioned to avoid power loss in cables exceeding 1% of rated output power.
  • Page 26 If you are uncertain about this, contact your grid operator or Solplanet . Safety in accordance with IEC 62109 when the grounding conductor monitoring is deactivated.
  • Page 27: Grid Connection

    5.4.2 Grid connection Procedure: Danger to life due to high voltages in the inverter. Touching the live components can lead to lethal electric shocks. • Before performing the electrical connection, ensure that the AC circuit-breaker is switched off and cannot be reactivated. Switch off the AC circuit breaker and secure it against reconnection.
  • Page 28 Insert the main body into the rubber core and hear the “click” sound. Tighten the nut with an open-ended wrench and complete the installation with a “click, click, click”, then complete the installation. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 29: Additional Grounding Connection

    5.4.3 Additional grounding connection If additional grounding or equipotential bonding is required locally, you can connect additional grounding to the inverter. This prevents touch current if the grounding conductor on the AC connector fails. Procedure: Align the terminal lug with protective conductor. Insert the screw through the hole located at the housing and tighten it firmly (screw driver type: PH2, torque: 2.5Nm).
  • Page 30: Requirements For The Dc Connetion

    Danger to life due to high voltages in the inverter. Touching the live components can lead to lethal electric shocks. • Before connecting the PV generator, ensure that the DC-switch is switched off and that it cannot be reactivated. • Do not disconnect the DC connectors under load.
  • Page 31 Danger to life due to high voltages on DC conductors. When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors. Touching the DC conductors can lead to lethal electric shocks. • Cover the PV modules. •...
  • Page 32: Disassembling The Dc Connectors

    Push the swivel nut up to the thread and tighten the swivel nut. (SW15, Torque: 2.0Nm). 5.5.3 Disassembling the DC connectors Danger to life due to high voltages on DC conductors. When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors.
  • Page 33 To release the DC connector, insert a flat-blade screwdriver (blade width: 3.5 mm) into the side catch mechanism and lever open. Carefully pull the DC connector apart. Release the clamping bracket. To do so, insert a flat-blade screwdriver (blade width: 3.5 mm) into the clamping bracket and lever it open.
  • Page 34: Connecting The Pv Array

    5.5.4 Connecting the PV Array Destruction of the inverter due to overvoltage. If the voltage of the strings exceeds the maximum DC input voltage of the inverter, it can be destroyed due to overvoltage. All warranty claims become void. • Do not connect strings with an open-circuit voltage greater than the maximum DC input voltage of the inverter.
  • Page 35 Damage to the inverter due to moisture and dust penetration. Seal the unused DC inputs with sealing plugs so that moisture and dust cannot penetrate the Inverter. • Make sure all DC connectors are securely sealed. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 36: Conmunication Equipment Connection

    5.6 Conmunication equipment connection 5.6.1 Connect the communication line with RJ45 socket Damage to the inverter due to electrostatic discharge. Internal components of the inverter can be irreparably damaged by electrostatic discharge. • Ground yourself before touching any component. The inverter can be destroyed by wrong communication wiring. •...
  • Page 37: Mounting The Com3: Wifi/4G

    Procedure: Unscrew the communication port cover cap in the following arrow sequence and insert the network cable into the RS485 communication client attached. Insert the network cable into the corresponding communication terminal of the machine according to the arrow sequence, tighten the thread sleeve, and then tighten the forcing nut at the tail. 5.6.2 Mounting the COM3: WiFi/4G UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 38 The communication stick interface COM3 is only applicable to Solplanet products and can not be connected to any other USB devices. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 39: Communication

    As shown above, we offer a remote monitoring platform called “Solplanet cloud”. You can also install the “Solplanet APP” on a smart phone using Android or an iOS operating system. You can visit the website ( https://solplanet.net/installer-area/#monitoring)for system information. And download the user manual...
  • Page 40: Active Power Control With Smart Meter

    • The overall length of the cable from inverter to smart meter is 100m. The active power limit can be set on “Solplanet APP” application, the details can be found in the user manual for the Solplanet APP. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 41: Remote Firmware Update

    6.3 Remote firmware update ASW LT-G3 series inverters can update the firmware through 4G/WiFi stick, no need to open the cover for maintenance. For more information, please contact the Service. 6.4 Active power control via demand response enabling device (DRED) DRMs application description.
  • Page 42: Commissioning

    7 Commissioning 7.1 Electrical check Carry out the main electrical checks as follows: Check the PE connection with a multimeter: check that the inverter’s exposed metal surface has a grounding connection. Danger to life due to the presence of DC-Voltage. Touching the live conductors can lead to lethal electric shocks.
  • Page 43: Mechanical Check

    Safety Code Setting Guide in an event where an installer needs to set the country code manually. The Solplanet’s inverters comply with local safety code when leaving the factory. 7.4 Start-up After finishing the electrical and mechanical checks, switch on the miniature circuit-breaker and DC-switch in turn.
  • Page 44 During periods of low radiation, the inverter may continuously start up and shut down. This is due to insufficient power generated by the PV array. If this fault occurs often, please call service. If the inverter is in “Fault” mode, refer to chapter 11 “Troubleshooting”. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 45: Solplanet App

    Solplanet app 8.1 Brief introduction The Solplanet App can establish communication connection to the inverter via WLAN, there by allowing local maintenance on the inverter. Users can view inverter information and set parameters through the App. 8.2 Download and install Scan the following QR code to download and install the App.
  • Page 46: Create An Account

    If you do not have an account, register a new account first. Procedure: Step 1: Open Solplanet App to enter the login screen, and tap “Don’t have an account” to enter the next screen. Step 2: The user groups “Business users” and “End user” need to be selected according to your identity, and tap “Next step”.
  • Page 47 Step 1 Step 2 Step 3 Step 4 Step 5 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 48: Create A Plant

    Procedure: Step 1: Open Solplanet App to enter the login screen, enter the account name and password, and tap “Log in” to enter the next screen. Step 2: Tap the symbol “+” to enter the next screen, and tap “Create or Modify Plant”, then the camera of the smart device automatically turns on, and scan the QR code of the Wi-Fi stick to enter the next screen, tap “Create new plant”...
  • Page 49 the parameter configuration. Then tap “Next step” to enter the next page. If “Export Power Control” is not required, tap “Next step” to skip this step. Step 9: Tap “Continue”, and choose Wi-Fi network from the list, and enter Wi-Fi network password.
  • Page 50 Step 1 Step 2 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 51 Step 3 Step 4 Step 5 Step 6 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 52 Step 7 Step 8 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 53 Step 10 Step 11 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 54: Setting Parameters

    8.5 Setting parameters 8.5.1 Inverter configuration Solplanet’s products comply with local grid codes when leaving the factory. The grid code and the parameters according to the requirements of the installation site should still be checked and confirmed. Once configuration of the product is completed, the product will start operating automatically.
  • Page 55: Grid Code Settings

    Update the firmware of the inverter and monitoring ○ Inverter update device e.g. Wi-Fi stick. ○ Power on/off Remote turn ON/OFF of the inverter on the App. Configure the parameters of the hybrid inverter. Energy storage ○ settings Configure the parameters of the battery. 8.5.2 Grid code settings For the Australia market, the inverter cannot be connected to the grid before the safety related area is set.
  • Page 56: Active Power Reduction At Overfrequency P(F)

    Step 1 Step 2 8.5.3 Active power reduction at overfrequency P(f) There are four modes(Please refer to the following images)which can be chosen for this function and certain parameters can be configured according to the requirement of the local grid company. Procedure: Step 1:...
  • Page 57 Step 1 Step 2 ○ Step 3 Step 4 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 58 Table description Name Description Droop is defined as the active power as a percentage of P Act. Power as a ○ percentage of P The active power will continuously move along the Linear frequency characteristic curve in the frequency range of f to f stop Droop is defined as the active power as a percentage...
  • Page 59: Active Power Reduction At Overvoltage P(U)

    frequency f response to overfrequency. The threshold frequency for deactivating the active Deactivation ○ power response to overfrequency or disconnecting the threshold f stop inverter from the grid. The threshold frequency for deactivating the active Reset frequency ○ power response to overfrequency after the frequency reset reducing.
  • Page 60 Step 3: Tap the drop-down menu to choose the mode of this function. Step 4: Configure the parameters and tap “Save”. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 61 Parameter Description Droop is defined as the active power as a percentage of The active power will continuously move along the Act. Power as a voltage characteristic curve in the voltage range of U start ○ percentage stop Linear The active power will reduce from the P which is the instantaneous active power at the time of exceeding Start voltage U...
  • Page 62 The active power will reduce from the P which is the instantaneous active power at the time of exceeding Start voltage U start Droop is defined as the active power as a percentage of P The active power will continuously move along the Act.
  • Page 63: Cosφ(P) Curve Configuration

    time overvoltage after the voltage over U . An intentional start delay shall be programmable to adjust the dead time to a value between the intrinsic dead time and 2s. Deactivation time The delay time that the active power can increase ○...
  • Page 64 Step 1 Step 2 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 65 ○ ○ ○ ○ ○ Step 3 Step 4 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 66 Table description Parameter Description ○ The active power as a percentage of P The displacement factor that is cosine of the phase ○ Cosφ angle between the fundamental components of the line to neutral point voltage and the respective current. ○...
  • Page 67: Q(U) Curve Configuration

    Grid operators may require two voltage thresholds as a percentage of Un to activate or deactivate the function. The voltage thresholds are usually referred to as ‘lock-in’ and ‘lock-out’ voltage. 8.5.6 Q(U) curve configuration The voltage related control mode Q(U) controls the reactive power output as a function of the voltage.
  • Page 68 Step 1: Tap “Reactive power settings” to enter to the next page. Step 2: Ttap “Enable reactive power” to choose the reactive power control mode and tap the left arrow to go back. Step 3: Tap “Q(U) curve settings” to enter to the next page. Step 4:...
  • Page 69 ○ ○ ○ ○ ○ Step 3 Step 4 UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 70 Table description Parameter Description ○ The voltage as a percentage of U ○ The reactive power as a percentage of P ○ Phase Choose the over-excited or under-excited. The lock-in active power value that enables the automatic reactive power delivery mode. Activating power ○...
  • Page 71: Decommissioning The Product

    Some grid companies maybe requires two active power thresholds as a percentage of Pn to activate or deactivate the function. The active power thresholds normally call ‘lock-in’ and ‘lock-out’ active power. 9 Decommissioning the product 9.1 Shut down WARNING Danger to life due to electric shock from destruction of the measuring device due to overvoltage.
  • Page 72 Type 1 DC connector “Sunclix” Type 2 DC connector Release and remove the DC connectors. To do so, insert To remove DC plug connectors, insert the a flat-blade screwdriver or an angled screwdriver (blade appropriate tool into the slots and press the tool width: 3.5 mm) into one of the side slots and pull the DC with an appropriate force.
  • Page 73: Technical Data

    10 Technical data 10.1 DC input data Type ASW25K-LT-G3 ASW27K-LT-G3 ASW30K-LT-G3 Max. PV modules ower(STC) 37500 W 40500 W 45000 W Max. input voltage/ Rated input 1100V/630V voltage MPP voltage range 180 - 1000 V Full load MPP voltage range 450 V - 850 V Intitial feed-in voltage 160 V...
  • Page 74 Type ASW33K-LT-G3 ASW36K-LT-G3 ASW40K-LT-G3 Max. PV modules ower(STC) 49500 W 54000 W 60000 W Max. input voltage/ Rated input 1100V/630V voltage MPP voltage range 180 - 1000 V Full load MPP voltage range 450 V - 850 V Intitial feed-in voltage 160 V Min input voltage 200 V...
  • Page 75: Ac Output Data

    10.2 AC output data Type ASW25K-LT-G3 ASW27K-LT-G3 ASW30K-LT-G3 Rated output power 25000W 27000W 29900W Max. output apparent power 25000VA 27000VA 29900VA Rated AC Voltage (1) 3/N/PE,230/400V AC voltage range 180V-305V/312V-528V Rated AC Frequency (2) 50Hz/60Hz Operating range at AC power 45Hz to 55Hz frequency 50 Hz Operating range at AC power...
  • Page 76 Type ASW33K-LT-G3 ASW36K-LT-G3 ASW40K-LT-G3 Rated output power 33000W 36000W 40000W Max. output apparent power 33000VA 36000VA 40000VA 3/N/PE ,230/400V Rated AC Voltage (1) AC voltage range 180V-305V/312V-528V Rated AC Frequency (2) 50Hz/60Hz Operating range at AC power 45Hz to 55Hz frequency 50 Hz Operating range at AC power 55Hz to 65Hz...
  • Page 77: General Data

    10.3 General data Type ASW25K-LT-G3 ASW27K-LT-G3 ASW30K-LT-G3 Net weight 29Kg Dimensions(L×W×D) 543×520×235mm Mounting environment Indoor and Outdoor Mounting recommendation Wall bracket Operating temperature range -25…+60℃ Max. permissible value for relative humidity 100% ( non-condensing ) Max. operating altitude above mean sea 3000m level Ingress protection...
  • Page 78 Type ASW33K-LT-G3 ASW36K-LT-G3 ASW40K-LT-G3 Net weight 30Kg Dimensions(L×W×D) 463X543X225mm Mounting environment Indoor and Outdoor Mounting recommendation Wall bracket Operating temperature range -25…+60℃ Max. permissible value for relative humidity 100% ( non-condensing ) Max. operating altitude above mean sea 3000m level Ingress protection IP66 according to IEC60529 Climatic category...
  • Page 79: Safety Regulations

    10.4 Safety regulations Type ASW LT-G3 Series inverter Internal overvoltage Integrated protection DC insulation monitoring Integrated DC injection monitoring Integrated Grid monitoring Integrated Residual current monitoring Integrated Islanding protection Integrated (Frequency shift) ) EN61000-6-1 EMC immunity EN61000-6-2 EN61000-6-3 EMC emission...
  • Page 80: Tools And Torque

    10.5 Tools and torque Tools and torque required for installation and electrical connections. Tools, model Object Torque Torque screwdriver, Screws for wall bracket screws 3N.m SW10 Hexagon screwdriver Screws for AC terminal 2N.m Torque screwdriver, PH2 Screw for second protective 2.5Nm Cross head grounding connection...
  • Page 81 When the PV system does not operate normally, we recommend the following solutions for quick troubleshooting. If an error occurs, the red LED will light up. There will have “Event Messages" display in the monitor tools. The corresponding corrective measures are as follows: Error Object Corrective measures...
  • Page 82 • If this fault occurs often, contact the service. • Check whether the airflow to the heat sink is obstructed. • Check whether the ambient temperature around the inverter is too high. • Check whether the open circuit voltage of each photovoltaic group is ≥1020V.
  • Page 83: Maintenance

    Warning code Warning message PV1 input over voltage PV2 input over voltage PV1 input over current-software PV1 input over current-hardware PV2 input over current-software PV2 input over current-hardware BUS over voltage-software BUS voltage unbalance (for three phase inverter) Grid voltage over instant Output over current-software Output over current-hardware Anti-islanding...
  • Page 84: Cleaning Air Inlet And Outlet

    DANGER High voltage of PV string may cause life danger!  If the DC connector is disconnected while the PV inverter is working, an electric arc may occur causing electric shock and burns. Wear appropriately insulated gloves and use appropriately insulated tools when working on the DC connectors.
  • Page 85: Recycling And Disposal

    AISWEI Technology Co., Ltd. confirms herewith that the inverters described in this manual are in compliance with the fundamental requirements and other relevant provisions of the above mentioned directives. The entire EU Declaration of Conformity can be found at www.solplanet.net. UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...
  • Page 86: Warranty

    When the customer needs warranty service during the warranty period, the customer must provide a copy of the invoice, factory warranty card, and ensure the type label of the inverter is legible. If these conditions are not met, Solplanet has the right to refuse to provide with the relevant warranty service. 16 Contact If you have any technical problems concerning our products, please contact solplanet service.
  • Page 87 +48 134 926 109 (Poland) Add.: Barbara Strozzilaan 101, 5e etage, kantoornummer 5.12, 1083HN Amsterdam, the Netherlands AISWEI Technology Co., Ltd Hotline: +86 400 801 9996 Add.: Room 904 - 905, No. 757 Mengzi Road, Huangpu District, Shanghai 200023 https://solplanet.net/contact-us/ UM0016_ASW 25K-40K-LT-G3_EN_V04_0523...

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