HYXIPOWER HYX-S75K-T User Manual

String inverter
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User Manual
STRING
INVERTER
HYX-S75K-T / HYX-S100K-T /
HYX-S110K-T / HYX-S120K-T
Carefully read this inverter user instructions before using.
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Summary of Contents for HYXIPOWER HYX-S75K-T

  • Page 1 User Manual STRING INVERTER HYX-S75K-T / HYX-S100K-T / HYX-S110K-T / HYX-S120K-T Carefully read this inverter user instructions before using. Read and save these instruction...
  • Page 2 This document cannot be copied fully or partially, transferred, or distributed in any form without the prior written permission of ZHE JIANG HYXI TECHNOLOGY CO., LTD (hereinafter referred to as "HYXiPOWER"). TRADEMARKS and other HYXiPOWER trademarks are the trademarks or registered trademarks of HYXiPOWER All other trademarks mentioned herein are the properties of their respective owners.
  • Page 3: Table Of Contents

    Contents Three-Phase String Inverter Contents Preface................................4 Overview.......................................... 4 Scope of application..................................... 4 For readers........................................4 Use of the manual......................................4 Use for symbols......................................4 1. Safety Precautions............................6 1.1 General Safety......................................6 1.2 Public Grid......................................... 6 1.3 Photovoltaic String....................................6 1.4 Inverter........................................7 1.5 Personnel Requirements..................................7 2.
  • Page 4 Contents Three-Phase String Inverter 4.4.1 Mounting Plate Size................................... 18 4.5 Installing the Inverter.................................... 19 5. Electrical Connection..........................21 5.1 Installation Precautions..................................21 5.2 Electrical Connection Overview................................ 22 5.3 Connecting the PE cable..................................23 5.3.1 External Grounding Requirements..............................23 5.3.2 Grounding Procedure..................................24 5.4 AC Side Connection.................................... 24 5.4.1 AC Side Requirements..................................
  • Page 5: Preface

    Please read the operating instructions in detail and follow all safety precautions in the instructions. Scope of application This manual is intended for the following devices: • HYX-S75K-T • HYX-S100K-T • HYX-S110K-T • HYX-S120K-T...
  • Page 6 Preface Three-Phase String Inverter WARNING • Indicates a moderate potential hazard that could result in death or serious injury if not avoided. CAUTION • Indicates a low potential hazard which, if not avoided, could result in moderate or minor injury. NOTICE •...
  • Page 7: Safety Precautions

    1. Safety Precautions Three-Phase String Inverter 1. Safety Precautions 1.1 General Safety NOTICE • The "DANGER", "WARNING", "CAUTION", and "NOTICE" items in the manual do not include all safety precautions that should be observed. All work should be carried out in combination with the actual situation on site.
  • Page 8: Inverter

    1.5 Personnel Requirements NOTICE • Personnel responsible for the installation and maintenance of HYXiPOWER equipment must first be strictly trained to understand the various • The personnel responsible for the installation and maintenance of HYXiPOWER equipment must first undergo strict training to understand the various safety precautions and master the correct operation methods.
  • Page 9: Product Overview

    DC power generated by photovoltaic modules into AC power and feed electrical energy into the grid. This paper mainly covers the following product models: • HYX-S75K-T • HYX-S100K-T • HYX-S110K-T • HYX-S120K-T...
  • Page 10 2. Product Overview Three-Phase String Inverter PV Modules Inverter Grid-tied Cabinet Transformer Grid 2.2.1 Grid Forms Supported by PV Grid-Connected Inverters Power grid types supported by the HYX include TN-S, TN-C, TN-C-S, TT, and IT. In a TT power grid, the N-PE voltage should be lower than 30 V.
  • Page 11: Nameplate Description

    • Never connect local loads, such as household appliances, lighting loads, etc., between the inverter and the AC circuit breaker. 2.3 Nameplate Description HYXiPOWER trademarks, product types and product models Product technical parameters Safety symbols and certification marks. Contact information and serial numbers.
  • Page 12: Symbol Description

    Do not dispose of the inverter as household waste. High touch current, earth connection essential before connecting supply. RCM mark of conformity. 2.5 Product Mode Product Name Model Rated Output Power Three-phase string inverter HYX-S75K-T 75kW Three-phase string inverter HYX-S100K-T 100kW Three-phase string inverter HYX-S110K-T 110kW...
  • Page 13: Dimensions And Weight

    2. Product Overview Three-Phase String Inverter 2.6 Dimensions & Weight Weight: 94kg 2.7 LED Indicator Panel 2.7.1 LED Indicator Status Description Indicator Status Description Inverter Powered ON POWER Inverter Powered OFF Grid Normal Blink 1 Grid Abnormal GRID Blink 2 Grid Disconnected Meter COM.
  • Page 14: Description Of The Principle

    2. Product Overview Three-Phase String Inverter 2.8 Description of The Principle 2.8.1 Circuit Diagram The DC switch is used to safely cut off the DC current when necessary to ensure the safe operation of the inverter and the safety of personnel. The EMI filter filters out electromagnetic interference inside the inverter to ensure that the inverter can meet the requirements of EMC standards.
  • Page 15: Functional Description

    The inverter provides communication accessory port for the communication module and uploading the data to the cloud through wired or wireless communication. After the communication equipment is successfully established, users can view the inverter related information or set the inverter operating parameters, protection parameters, etc. through the HYXiPOWER Smart Energy Management Platform. Protection functions: The inverter is equipped with protection functions such as islanding protection, DC reverse connection protection, AC short circuit protection, leakage current protection, surge protection, etc.
  • Page 16: Inspection & Storage

    3. Inspection & Storage Three-Phase String Inverter 3. Inspection & Storage 3.1 Safe transport of inverter When transporting the inverter, the original or equivalent packaging should be used, and the maximum layers for original carton is three, as this ensures safe transport. 3.2 Unpacking and Inspection The inverter has been completely tested and rigorously inspected before leaving the factory, but damage may still occur during transport.
  • Page 17: Mechanical Installation

    4. Mechanical Installation Three-Phase String Inverter 4. Mechanical Installation 4.1 Installation Precautions DANGER • Before installing the inverter, be sure that the inverter is free of any electrical connections. • Drilling must avoid the utility lines in the wall to avoid any danger. CAUTION •...
  • Page 18: Installation Environment

    4. Mechanical Installation Three-Phase String Inverter 4.2.2 Installation Environment Installation environment requirements: • The inverter has IP66 protection level and can be used for indoor or outdoor installation. • The installation location should be convenient for electrical connection, operation and maintenance. •...
  • Page 19: Handling The Inverter

    4. Mechanical Installation Three-Phase String Inverter Installation space requirements: Make sure there is enough space around the inverter to ensure ventilation. The installation space requirements for a single inverter are shown in the figure below. 4.3 Handling the Inverter Before installation, the inverter needs to be removed from the packing box and moved to the selected installation site, when moving the inverter, the following guidance instructions need to be observed:...
  • Page 20: Installing The Inverter

    4. Mechanical Installation Three-Phase String Inverter • Step 3: Place the expansion tube and install the mounting plate using the expansion bolt assembly. • Step 4: Secure the mounting plate with M12 screws. • Step 5: Hang the mounting bracket of the inverter onto the plate and tighten them with M12 screws and finally lock them.
  • Page 21 4. Mechanical Installation Three-Phase String Inverter •The inverter will cause damage to the metal casing if it is placed directly on a hard surface. Foam or cardboard should be placed underneath it to avoid damaging the casing. •When handling the inverter, please use the handles on the product, do not use the terminals etc. of the product as grips.
  • Page 22: Electrical Connection

    5. Electrical Connection Three-Phase String Inverter 5. Electrical Connection 5.1 Installation Precautions DANGER • High voltage may be present in the inverter. • Exposure of the PV module to sunlight will generate dangerous voltages. • Do not close the AC/DC circuit breaker before completing the electrical connection and prevent misconnection.
  • Page 23: Electrical Connection Overview

    5. Electrical Connection Three-Phase String Inverter 5.2 Electrical Connection Overview Name Name PV modules AC Switch Smart Meter Inverter Optimizer Cable Type Specifications Outdoor multi-core copper wire cable PV cable 4mm²~ 6mm² complying with 1,000V and 18A standard Communication cable Two-core outdoor shielded twisted pair 0.2mm²~ 1mm²...
  • Page 24: Connecting The Pe Cable

    • The ground connection of the external protective earth terminal is not a substitute for the connection of the PE terminal in the AC wiring, but must ensure that both are reliably grounded. Otherwise, HYXiPOWER will not take any responsibility for the possible consequences. 5.3.1 External Grounding Requirements In the PV power generation system, all non-current-carrying metal parts and equipment housings should be grounded (e.g.
  • Page 25: Grounding Procedure

    5. Electrical Connection Three-Phase String Inverter The external grounding terminal of a single inverter should be grounded near the end. When there are multiple inverters, the external grounding terminals of all inverters and the grounding points of PV mounts should be connected to the equipotential line (depending on the site conditions) to ensure that the external grounding of all inverters is grounded.
  • Page 26 An independent two-pole circuit breaker must be installed on the output side of the inverter to ensure safe disconnection from the grid. The recommended specifications are as follows. Inverter Model Recommended Rated Voltage Recommended Rated Current HYX-S75K-T 400V 150A HYX-S100K-T 400V...
  • Page 27: Ac Side Wiring

    5. Electrical Connection Three-Phase String Inverter OT/DT Terminal Requirements Use copper terminals when using copper core cables. Use copper terminals when using copper-clad aluminum cables. When aluminum alloy cables are used, use copper to aluminum conversion terminals. OT/DT Terminal Requirements If aluminum cable is selected, copper-aluminum transition terminals are required to avoid direct contact between the copper terminal and aluminum cable Name...
  • Page 28 5. Electrical Connection Three-Phase String Inverter WARNING • When wiring, the AC output wires should match exactly with the “L1”, “L2”, “L3”, “N” ports of the AC terminals, “L1”, ‘L2’, ‘L3’, ‘N’, ‘PE’ ports of the AC terminal, if the cables are connected incorrectly, it will lead to damage of the inverter.
  • Page 29: Dc Side Connection

    5. Electrical Connection Three-Phase String Inverter 5.5 DC Side Connection DANGER • Before connecting the DC input power cable, ensure that the DC voltage is within the safe range (lower than 60V DC), and that the DC SWITCH is set to the OFF position. Failure to do so could generate high voltage, which may cause electric shocks.
  • Page 30: Pv Input Configuration

    5. Electrical Connection Three-Phase String Inverter NOTICE • Because the output of the PV string connected to the inverter cannot be grounded, ensure that the PV module output is insulated to ground. • The PV strings connecting to the same MPPT route should contain the same number and model of PV modules or Smart PV optimizers.
  • Page 31 5. Electrical Connection Three-Phase String Inverter 5.5.3 Installing the DC Connector DANGER • High voltage may be present in the inverter! • Make sure that all cables are not energized before performing electrical operations. • The AC circuit breaker switch must not be closed until the inverter electrical connections are complete. CAUTION •...
  • Page 32: Communication Connection

    5. Electrical Connection Three-Phase String Inverter 5.6 Communication Connection 5.6.1 DCS Installation (WIFI module) • Step 1: Remove the waterproof cover at the communication interface of the inverter; • Step 2: Insert DCS into the corresponding communication terminal at the bottom of the inverter and tighten it to ensure it is secure.
  • Page 33 5. Electrical Connection Three-Phase String Inverter 5.6.3 DCS Installation (Ethernet module) • Step 1: Replace the bottom plug of DCS with the Ethernet plug; • Step 2: Insert the network cable connector into the network junction; • Step 3: Remove the waterproof cover at the communication interface of the inverter; •...
  • Page 34: Com1/Drm/Meter

    5. Electrical Connection Three-Phase String Inverter 5.7 COM1/DRM/Meter COM.2 Definition Function Description GND port for the DIN1 to DIN5 signals or COM LOAD/0 for DRM DRM1/5/DIN1 DRM2/6/DIN2 DRM/Dry contact for grid scheduling DRM3/7/DIN3 Ripple Control/DRM/Rapid shutdown DRM4/8/DIN4 For the rapid shutdown DI signal, NS DIN5 protection or REF GEN/0 for DRM GND port for the DIN1 to...
  • Page 35 S9 is switched on, the solar inverter should be grid-tied. Enable the DRM function through the HYXiPOWER APP. If there are any problems, contact your distributor first. If the problem persists, contact HYXiPOWER. The DRM function is only applicable to devices for Australia and New Zealand.
  • Page 36 5. Electrical Connection Three-Phase String Inverter Meter Cable Connection The following figures show the cable connections between the inverter and DTSU666 meter 5.7.1 Cascade Connection DCS networking -RS485 The following figure shows a scenario where the inverters are networked via RS485...
  • Page 37 5. Electrical Connection Three-Phase String Inverter Name Name PV Module Grid Inverter Grid Connection Cabinet HYXiPOWER Cloud Step-up transformer DCS networking -PLC The following figure shows a scenario where the inverters are networked via PLC.
  • Page 38 5. Electrical Connection Three-Phase String Inverter Name Name PV Module Grid Inverter Grid Connection Cabinet HYXiPOWER Cloud Step-up transformer...
  • Page 39: Operation

    6. Operation Three-Phase String Inverter 6. Operation This chapter introduces the operation of PV inverter, which mainly covers the inspection before inverter operation, inverter grid connection operation, inverter shutdown and inverter routine maintenance and repair precautions. This chapter introduces the operation of PV inverter, mainly involves the inspection of inverter before operation, inverter grid connection operation, inverter shutdown, and inverter routine maintenance.
  • Page 40: Inverter Shutdown

    6. Operation Three-Phase String Inverter 6.3 Inverter Shutdown CAUTION • Burning hazard! • After the inverter has been shut down, there is still a risk of burns. After the inverter has cooled down, it is necessary to wear protective gloves before operating the inverter. It is not necessary to shut down the inverter under normal circumstances, but it is necessary to shut down the inverter when maintenance or repair work needs to be performed.
  • Page 41: Abolition Of Inverter

    6. Operation Three-Phase String Inverter 6.5 Abolition of Inverter CAUTION • Some parts and equipment of the inverter, such as capacitors, may cause environmental pollution. • Please do not dispose of this product with household waste, and dispose of it in accordance with the regulations for disposal of electronic waste used at the installation site.
  • Page 42: Maintenance Instructions

    • The inverter does not contain service parts inside, do not replace the internal components of the inverter without permission. • Please contact HYXiPOWER after-sales service for maintenance, unauthorized disassembly of the machine HYXiPOWER will not assume any warranty and joint and several responsibilities.
  • Page 43: System Commissioning

    Scan the following QR code to download and install the App according to the prompt information 7.2 APP User manual For more information on using the HYXiPOWER APP, please refer to the user manual "HYXiPOWER APP". 7.3 System debugging For system configuration and debugging, please refer to the user manual "HYXiPOWER Local Debugging APP".
  • Page 44: Appendix

    Appendix Three-Phase String Inverter 8. Appendix 8.1 Technical Parameter Product Model HYX-S75K-T HYX-S100K-T HYX-S110K-T HYX-S120K-T PV Input Max. Input Voltage 1,100V Nominal Input Voltage 600V Start-up Voltage 160V MPPT Operating Voltage Range 140 - 1,000V MPPT Full Load Voltage Range 500 - 850V Max.
  • Page 45: Quality Assurance

    Appendix Three-Phase String Inverter AC Overcurrent Protection DC Surge Protection AC Surge Protection Type II Ground Fault Detection Type II AFCI Optional PID recovery Optional General Data Operating Temperature Range -30 to + 60°C Relative Operating Humidity 0 - 100 %RH Operating Altitude 4,000m Cooling...
  • Page 46: Contact Information

    Appendix Three-Phase String Inverter • Damage caused by an abnormal natural environment NOTICE • In case of changes in product dimensions and parameters, the latest information of our company shall prevail without prior notice. 8.3 Contact Information If you have any questions about this product, please contact us. In order to provide you with faster and better after-sales service, we need your assistance in providing the following information.
  • Page 47 Version: UM_HYX-S(75-120)K-T_V1.0-202502 The manual is subject to change without notice while the product is being improved. Zhejiang Hyxi Technology Co., Ltd. Room 216, Block A, Building 1, No. 57 Jiang'er Road, Changhe Street, Binjiang District, Hangzhou, Zhejiang Province, China www.hyxipower.com support@hyxipower.com...

This manual is also suitable for:

Hyx-s100k-tHyx-s110k-tHyx-s120k-t

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