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TBEA TC500K3US-O Installation Manual

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Summary of Contents for TBEA TC500K3US-O

  • Page 2: Table Of Contents

    2.2.3 Requirements Prior to Connecting the Switches on AC and DC Sides ....................12 2.2.4 Notes on Shutdown ..............13 3 Product Delivery ..................14 3.1 Scope of Delivery................14 3.2 Nameplate of TC500K3US-O ............15 3.3 Storage ....................16 3.4 Transportation ..................18...
  • Page 3 4 Product Description ..................19 4.1 Grid-connected System ..............19 4.2 Appearance ..................21 4.3 Appearance Description ..............22 4.3.1 Dimensions................22 4.3.2 Ventilation Design ..............23 4.4 Circuit Introduction ................23 4.5 Terminals .................... 25 5 Product Installation ..................27 5.1 Basic Installation Pequirements ............
  • Page 4 5.5.2 Cable Protection ..............39 5.6 Installation Process ................39 6 Installation Preparations ................42 6.1 Pre-Installation Inspection ..............42 6.2 Installation Tools and Parts ..............42 7 Equipment Installation ................43 7.1 Equipment Transportation ..............43 7.1.1 Precautions ................43 7.1.2 Packaging and Logos ..............
  • Page 5 8.9 Communication Wiring ..............75 8.10 Power Supply ................... 76 8.10.1 Self-Powered Mode ............... 76 8.10.2 External Power Supply Modes ..........77 8.11 Seal at the Bottom of Cabinet ............78 9 Installation Inspections ................82 10 Commissioning ..................84 10.1 Commissioning Requirements ............
  • Page 6 11.2 Warranty Statement ................92 11.2.1 Normal Warranty ..............92 11.2.2 Extended Warranty ..............94 11.2.3 Contact Us ................94...
  • Page 7 TC500K3US-O Installation Instructions Important Safety Instructions Save These Instructions This manual contains important instructions for the following product: TC500K3US-O  The product is designed and tested in accordance with international safety requirements, but as with all electrical and electronic equipment, certain precautions must be observed when installing and/or operating the product.
  • Page 8 TC500K3US-O Installation Instructions “CAUTION” indicates a low level of risks, if not avoided, which may result in moderate or minor injuries to personnel. “NOTICE” indicates potential hazards, if not avoided, which may cause the result that the equipment cannot work properly or cause losses to property.
  • Page 9 TC500K3US-O Installation Instructions Warning hot surface This symbol indicates that the temperature here is higher than that within the body acceptable range, so please do not touch arbitrarily to avoid personal injuries. This symbol indicates that it is the PE port, and solid grounding is needed to ensure the safety of the operating personnel.

  • Page 10: About This Manual

    1.1 Preface Dear customers, appreciating for using TC500K3US-O PV grid-connected inverters developed by TBEA. We sincerely hope this product will meet your needs and expect you to put forward more views on the performance and the function of this product. We continue to improve the quality of this product.

  • Page 11: Applicable Scope

    TC500K3US-O Installation Instructions Installation design  This manual introduces the system design, installation environment, and electrical wiring design as well as installation process of inverter. Installation and inspection  This manual introduces mechanical installation, electrical installation, and communication connections of the inverter, and the inspection methods after installation.

  • Page 12: Manual Instruction

    TC500K3US-O Operation Manual  The images, logos, symbols, etc. used in this manual are owned by TBEA Xi'an Electrical Technology Co., Ltd.. No part of this document can be reproduced by unauthorized persons without the prior written permission of our company.

  • Page 13: Safety Precautions

    TC500K3US-O Installation Instructions 2 Safety Precautions This chapter introduces the overview of safe use of TC500K3US-O PV inverters and safety precautions needed to be followed during installation and operation. 2.1 Safety Precautions Danger to life from electric shock due to live voltage.
  • Page 14 TC500K3US-O Installation Instructions Ensure that no disconnected components can be reconnected. After disconnecting the inverter from the voltage sources, wait at least 5 minutes for the capacitors of the inverter to discharge completely. DC cables connected to PV modules that are exposed to sunlight are live.
  • Page 15 TC500K3US-O Installation Instructions Danger to life when the inverter is not locked  If the inverter is not locked, this means that unauthorized persons have access to components carrying lethal voltage. Touching live components can result in death or serious personal injury due to electric shock.
  • Page 16 TC500K3US-O Installation Instructions Only professional electricians or persons are allowed to work on the  product. It must ensure that at least 2 personnel are working in the field until the equipment is safely de-energized and discharged completely during maintenance.

  • Page 17: Notes On Operation

    TC500K3US-O Installation Instructions commissioning. If encountering some cases not described in the manual, please contact TBEA Co.,Ltd.. 2.2 Notes on Operation 2.2.1 Live Line Measurement High voltage is present in the plant. Touching by accident may result in death or personal injury due to electric shock. Prior to live line measurement, it is imperative to wear suitable personal protective equipment and instruments (such as wearing insulated gloves, etc.).

  • Page 18: Requirements Prior To Connecting The Switches On Ac And Dc

    TC500K3US-O Installation Instructions 2.2.3 Requirements Prior to Connecting the Switches on AC and DC Sides Breakers on AC, DC sides shall be disconnected and the protective panel  against accidental touch shall be installed or protective measures be taken. All connections must be carried out in accordance with the installation ...

  • Page 19: Notes On Shutdown

    TC500K3US-O Installation Instructions 2.2.4 Notes on Shutdown There are two cases for shutdown, in normal maintenance and in fault occurring. The procedures for respective shutdown are as follows: Normal maintenance and overhaul  Shutdown procedure: (1) Turn the key switch to “OFF”.

  • Page 20: Product Delivery

    TC500K3US-O Installation Instructions 3 Product Delivery This chapter describes the scope of delivery of TC500K3US-O, the name plate recognition and storage methods of inverter. 3.1 Scope of Delivery TC500K3US-O is delivered with wooden case packaging. During transportation, transportation requirements described in the manual must be followed.

  • Page 21: Nameplate Of Tc500K3Us-O

    Co., Ltd., (see "Appendix" for the contact details) and provide photos of the damage, we will provide the fastest and best service. If you have special needs, users can log in the website of TBEA Co., Ltd. To freely download the latest version of the manual or directly contact with TBEA Xi'an Electric Technology Co.,Ltd..

  • Page 22: Storage

    3.3 Storage This section provides you with a variety of information about the storage of TBEA’s North American inverter. This information will help you to prevent damages to the device itself due to improper storage. Upon completion of the delivery and the acceptance work, if the device...
  • Page 23 TC500K3US-O Installation Instructions moisture-proof work, water is strictly prohibited in the storage environment. Storage temperature: -30℃ ~ +70℃ (-22° F ~ +158° F), relative humidity  is less than 95%. Avoid damage to the device due to uneven building ground.

  • Page 24: Transportation

    TC500K3US-O Installation Instructions Pay attention to response to the surrounding harsh environment, such  as quenching, shock heating, collision, etc., so as to avoid damage to the inverter; When working on the device after long-term storage, the cabinet door shall first be opened for inspection, so as to confirm whether the device is intact and a professional test is necessary.

  • Page 25: Product Description

    PV grid-connected inverter and is then fed into the grid. TC500K3US-O is an outdoor type grid inverter and rather flexible to use. It can be installed outdoors and can also be installed in the operating room.
  • Page 26 Table 4-1 Parts list Items Name PV array Combiner box TC500K3US-O Step-up isolation transformer Public grid Adaptable system components of TC500K3US-O are as shown in Table 4-2. Table 4-2 List of the system components Name Type PV arrays Thin Film Cells Public grid Combiner box 600V（80A≤I≤160A）...

  • Page 27: Appearance

    TC500K3US-O Installation Instructions 4.2 Appearance The appearance of TC500K3US-O is as shown in Figure 4-2. Figure 4-2 Appearance of TC500K3US-O Items Device name Description ① Panel lights Displaying the operating status of inverters ② LCD display Displaying the information of operating data ③...

  • Page 28: Appearance Description

    TC500K3US-O Installation Instructions 4.3 Appearance Description 4.3.1 Dimensions Maximum dimensions of TC500K3US-O: 2370mm (93.3inch) × 2140mm(84.3inch) × 910mm (35.9inch) (W × H × D) Weighs: approximately 2300kg (5077Ibs) The mechanical and external dimensions are as shown in Figure 4-3. Figure 4-3 Dimensions of the complete machine...

  • Page 29: Ventilation Design

    TC500K3US-O Installation Instructions 4.3.2 Ventilation Design The upper part of TC500K3US-O is the air inlet for cooling air to go into and the lower is the air outlet to discharge hot air. The air inlet of the head cover is equipped with a removable dustproof net and insect net, which need to be cleaned regularly.
  • Page 30 TC500K3US-O Installation Instructions The main circuit of TC500K3US-O is as shown in Figure 4-5. 320V－580V Figure 4-5 The main circuit of TC500K3US-O...

  • Page 31: Terminals

    TC500K3US-O Installation Instructions 4.5 Terminals TC500K3US-O provides multiple terminals which can be connected to multiple DC input, two AC output and PC for communication, etc. Its internal terminals are as shown in Figure 4-6. Figure 4-6 Schematic figure of terminals...
  • Page 32 TC500K3US-O Installation Instructions RS485/RS232 converter is needed for communication with the upper computer.

  • Page 33: Product Installation

    5.1 Basic Installation Pequirements To ensure the machine to work properly, the installation environment and requirements are as follows: TC500K3US-O’s waterproof rating is NEMA 3R; it can be installed  outdoors and indoors; as electronic device, it shall not be placed in areas of high humidity in long term;...

  • Page 34: Installation Environment

    TC500K3US-O inverters can be installed both indoors and outdoors. 5.2.1 Ground Requirements TC500K3US-O is required to be installed on a flat slab with a concrete foundation and a surface covered with flame-resistant materials, and either sunken or inclined situations on the floor are prohibited.

  • Page 35: Requirements Of The Minimum Space For Outdoor Uses

    TC500K3US-O Installation Instructions Figure 5-1 Requirements of ground for TC500K3US-O installation 5.2.2 Requirements of the Minimum Space for Outdoor Uses The inverter and the surrounding objects must have the minimum distance when installing the inverter, to meet the requirements in maintenance, escape and ventilation.
  • Page 36 TC500K3US-O Installation Instructions cooling, maintenance and enough space to escape in emergency. Details are shown in Figure 5-2: Figure 5-2 Requirements of installation space for a single set of TC500K3US-O Items Recommended minimum Description distance (mm) Minimum distance in front meeting the...
  • Page 37 TC500K3US-O Installation Instructions Details are shown in Figure 5-3: Figure 5-3 Requirements of back-to-back installation space for two TC500K3US-O Second way: face to face Details are shown in Figure 5-4: Figure 5-4 Requirements of face-to-face installation space for two TC500K3US-O...

  • Page 38: Requirements Of The Minimum Space For Indoor Uses

    Both the front and back doors of TC500K3US-O can be opened, and  the maximum size of the door slabs is of about 750mm.

  • Page 39: Requirements Of The Alignment Of Wires, Ventilation And Others

    5.3 Requirements of the Alignment of Wires, Ventilation and Others 5.3.1 Requirements of Cable Trenches The wires of TC500K3US-O are led in and out below, and the cables connecting the TC500K3US-O inverter and the outside are suggested being aligned along the cable trenches, for easy installation and maintenance.

  • Page 40: Ventilation Requirements

    Figure 5-6 Sectional view of cable trenches 5.3.2 Ventilation Requirements A lot of heat will be generated when TC500K3US-O is running, so the electrical performance of the equipment will be affected when its temperature...
  • Page 41 The air is let in from the upper part in the design of the ducts for the  outdoor TC500K3US-O, and the waste heat is discharged out through the bed plate at the base. Therefore, according to the requirements of...

  • Page 42: Other Requirements

     the equipment is running well. 5.3.3 Other Requirements According to NEMA 3R protection class, the TC500K3US-O outdoor inverter is suitable for outdoor installation. And the control areas are packaged and sealed. According to EMC requirements and noise levels, the inverter shall be installed in an industrial environment or outdoors.

  • Page 43: Wiring Specifications

    TC500K3US-O Installation Instructions TC500K3US-O shall avoid direct sunlight; otherwise, the higher temperature will affect the generation. 5.4 Wiring Specifications Cables used for the system can generally be divided into power cables, power lines and data lines. When laying the communication cables, you need to stay away from the power cables, and the cables at the intersections need to keep a right angle.

  • Page 44: Fixation And Protection Of Connection Cables

    TC500K3US-O Installation Instructions between the paralleled shielded data lines and power cables and the line length can be seen in Table 5-1. Table 5-1 Space between signal lines and power cable wirings Length of parallel lines inch Minimum space distance...

  • Page 45: Cable Protection

    Also, the power cables must be secured properly. 5.6 Installation Process The total installation process of the TC500K3US-O inverter is as shown in Figure 5-7, and the installation process description is shown in Table 5-2.
  • Page 46 TC500K3US-O Installation Instructions Figure 5-7 Installation process...
  • Page 47 Table 5-2 Installation process description Reference Installation steps Installation instructions sections Preparations need to be done before 6 Installation the installation of TC500K3US-O: preparations 1. Whether the product accessories Pre-installation preparations are complete 2. Whether the installation tools and parts are complete...

  • Page 48: Installation Preparations

    TC500K3US-O Installation Instructions 6 Installation Preparations This chapter describes the preparatory work before installing TC500K3US-O, including checking accessories are complete and preparing the tools and parts required in installation. 6.1 Pre-Installation Inspection Check all the accessories delivered are complete according to the packing list;...

  • Page 49: Equipment Installation

    TC500K3US-O Installation Instructions 7 Equipment Installation This chapter describes the process of installing the TC500K3US-O inverter, including the method of transportation, demolition of the package on the site and fixation. 7.1 Equipment Transportation This section describes the preparatory work and basic requirements needed in the transportation of the equipment, also includes the precautions required during the course of transporting or handling the inverter.

  • Page 50: Packaging And Logos

    As a whole, the inverter must not be disassembled either in  transportation or in installation. Any failure caused by the modification without any authorization from TBEA is not covered within the warranty scope. The inverter cannot tilt, shake violently or bear force suddenly, such ...
  • Page 51 TC500K3US-O Installation Instructions packaging logos are illustrated as follows: Icon Sign Gravity center logo Lifting logo Right side up, prohibit to placing inverters horizontally, in an inclined way or upside down Handle with care to avoid damages to inverters caused by too intense frictions and collisions in...

  • Page 52: Transportation Packaged

    TC500K3US-O Installation Instructions Name Description MODEL NO.: Inverter model SIZE: Out packing size N.W: Inverter net weight G. W.: Gross weight, inverter including the out packing case 7.1.3 Transportation Packaged The inverter with the package can be moved by use of forklifts, forks of hoists or cranes.

  • Page 53: Transportation Without Packaging

    TC500K3US-O Installation Instructions Figure 7-1 Inverter transportation with packaging 7.1.4 Transportation without Packaging The handling without packaging is usually used near the final installation location, and the inverter with package removed can be moved by forklifts, hoists, sliding rails or cranes.
  • Page 54 TC500K3US-O Installation Instructions Figure 7-2 Forklift transportation of inverters with wood pallets The moving way of forklifts is as shown in Figure 7-3. The cover plates at the front and back bases are required to move;  The forklift shall be closer enough to take the inverter and then ...

  • Page 55: Field Installation

    TC500K3US-O Installation Instructions The lifting method is shown in Figure 7-4. Remove cover plates of the front and back base seats;  Lifting round steels are drawn out from the front and back sides.  Use lifting cables to fix, and to ensure that four corners are all ...
  • Page 56 TC500K3US-O Installation Instructions Unpacking Unpack the shipping cases of the TC500K3US-O inverter in accordance with the following procedures. Step1 Unpack the wooden sides and roofs of packing cases. Step2 Remove the cushioning materials outside the inverters. Step3Remove the anchor parts fixed on the transport board of the inverter.
  • Page 57 TC500K3US-O Installation Instructions The TC500K3US-O is packed according to the reverse procedures. Note that the shielding material and drier are reserved when packing. Soldering method is not recommended to fix the inverter. The inverter needs to be fixed on the channel or ground, installation steps...
  • Page 58 TC500K3US-O Installation Instructions Figure 7-7 Fixation methods of the inverter Items Name Inverter Foundation M12 anchor bolt Cable trench Channel steel M12 bolts, nuts, spring washers, flat washers combination Figure 7-8 Sketch of the connection between the base of the inverter and the channel...
  • Page 59 TC500K3US-O Installation Instructions Items Name Inverter base M12 bolt Flat washer Spring washer M12 nut Channel steel...

  • Page 60: Electrical Connection

    The DC side voltage of TC500K3US-O DC is up to 600Vdc, AC side voltage reaches 200Vac. Do not touch any live parts! Make sure that AC and DC sides are uncharged before installation ...

  • Page 61: Input And Output Requirements

    TC500K3US-O can be configured to 500kW. Public grid  TC500K3US-O will continue to detect whether the power grid meet grid-connected conditions. To meet the grid limits of grid-connected conditions, the three-phase power grid is used. Meanwhile, the grid-connected inverter is installed after getting the permission of the local power sector.

  • Page 62: Cable Requirements

    TC500K3US-O Installation Instructions The DC input and AC output circuits are isolated from the enclosure. The PV system grounding shall be installed per the requirements of section 690.41 through 690.47 of national electrical code, ANSI/NFPA 70, PV system grounding installation is the responsibility of the installer.
  • Page 63 TC500K3US-O Installation Instructions Table 8-2 Comparison table of connection cables Wire diameter Wire diameter Connection Torque Cables requirements requirements bore diameter ( in-lbs) (mm² ) (ANSI) Φ11 PV array DC + 67.4 2/0 AWG (22N· m) Φ11 PV array DC- 67.4...

  • Page 64: Wiring Components

    TC500K3US-O Installation Instructions The specifications in the "Instructions" are the standard of the inverter. If you have special requirements, please explain to TBEA staff when ordering. Specific parameters are subject to the actual products that you have purchased. 8.4 Wiring Components The installation of TC500K3US-O sees Figure 8-1.
  • Page 65 TC500K3US-O Installation Instructions Items Name Copper bar (with riveted nuts) Copper bar (without riveted nuts) Bolt Spring washer Flat washer Line terminal Copper and aluminum transition pieces are required when aluminum wires are used to connect, wiring connections are shown in the figure below:...
  • Page 66 If one connection bus bar has more than one terminal, then a whole piece of copper and aluminum transition piece is used, as shown in Figure 8-2: The bottom of TC500K3US-O has inlet line board as shown in the Figure, through which the external lines can be threaded into the inverter going through the inlet line board.
  • Page 67 TC500K3US-O Installation Instructions Items Name DC cabinet inlet line board Power cabinet inlet line board AC cabinet inlet line board Inlet line board of DC cabinet Inlet line board of power cabinet Inlet line board of AC cabinet...

  • Page 68: Preparations For Electrical Wiring

    8.5 Preparations for Electrical Wiring Before wiring, the door shall be opened, to make the cables insert the seal threading plate. Users need to open the front door of TC500K3US-O before wiring, specific steps are as follows: Figure 8-4 Open the front door Step 1 The front door can be opened through the door lock handle.

  • Page 69: Dc Side Wiring

    DC side of the TC500K3US-O inverter. The positive DC side of the TC500K3US-O inverter is connected to the bottom of the fuse. The fuse has 3 groups: group A has 8 fuses located inside the DC, groups B and C are located in the power cabinet;...
  • Page 70 (Copper and aluminum connectors can be ordered from TBEA or quality products may be purchased by the client). DC side wiring shall ensure that the copper cable specifications of each copper bar be consistent.
  • Page 71 (1) Scheme 1 and Scheme 2 DC input cable connection TC500K3US-O DC side of the inverter is of the maximum input current of 1600A, in order to meet the maximum DC input current requirements and cooling needs, the positive (+) and negative (-) poles each shall be connected with 20 ways of 2/0AWG (67.4mm²...
  • Page 72 TC500K3US-O Installation Instructions connected each with 18 ways of 2/0AWG (67.4mm²) input lines. Group A’s 8 fuses are connected only with 6 ways of positive cables, with 2 cables for spare; groups B and C of fuses in the power cabinet are all wired. The negative is also connected with 18 negative cables, and the upper positives shall be connected each to each with the lower negatives right.
  • Page 73 Step 4 Strip the insulation of the cable end 5mm longer as the wiring hole. The DC input terminal of the TC500K3US-O is connected only 1 copper cable to each of the positive and negative corresponding to the DT wiring terminal of which the diameter shall be greater than 11mm.
  • Page 74 TC500K3US-O Installation Instructions (2) Tighten the wiring terminal in two or more ways. Step 6 Install heat shrinking tubing. (1) Select heat shrinking tubing corresponding to the cable size, with the length of about 5cm; (2) Put the heat shrink tubing onto the wiring terminal completely.

  • Page 75: Ac Side Wiring

    Step 9 Check if the wiring is firmly tightened as required. 8.7 AC Side Wiring The output voltage of the AC side of TC500K3US-O inverter is 200Vac, it can be connected via high-voltage or medium-voltage transformer to high-voltage or medium voltage grid. The wiring of AC side of the inverter and the grid is as follows.
  • Page 76 TC500K3US-O Installation Instructions 5mm longer as the wiring hole depth. Step 3 Connect DT- wiring terminal Insert the bare copper wire into the wring hole. (2) Tighten the wiring terminal in two or more ways. Step 4 Install heat shrinking tubing (1) Select heat shrinking tubing corresponding to the cable size, with the length of about 5cm;...
  • Page 77 Three terminals are reserved for users on the AC power of TC500K3US-O, shown in Figure 8-8. Figure 8-8 AC power terminals...
  • Page 78 TC500K3US-O Installation Instructions Step 6 Connecting respectively the other side of AC output cable "L1" "L2" "L3" to the corresponding terminal of the step-up transformer low voltage 200V, choose the right screw, crimp the wiring copper nose on the transformer copper busbar, then use a wrench to tighten the screw referring to the section 5.5.1 fastening torque table.

  • Page 79: Ground Connection

    8.8 Ground Connection To ensure safety, all inverters need to be grounded through a conductor. The PE copper bar in the TC500K3US-O cabinet has been reliably connected with the shell of the inverter. And the PE copper bar in each cabinet has been connected with each other through the entire cabinet.
  • Page 80 TC500K3US-O Installation Instructions Figure 8-9 Schematic diagram of grounding copper bars Items Name DC cabinet grounding bars Power cabinet grounding bars AC cabinet grounding bars M12 bolts, spring washers and flat washers combination (tightening torque of 39 N • m) Grounding cable 3/0AWG (85mm²...

  • Page 81: Communication Wiring

    Sections 690.41 through 690.47 of the National Electrical Code, ANSI/NFPA 70 and is the responsibility of the installer. 8.9 Communication Wiring TC500K3US-O inverters in parallel apply RS485 serial communication. Terminals have been reserved inside of inverter. The position of the communication terminals are shown in Figure 8-10.

  • Page 82: Power Supply

    B are RS485 terminals. 8.10 Power Supply The power supply mode of control source of TC500K3US-O is divided into two modes. One is a self-powered mode, and the other is the external power supply mode. The machine defaults in the internal power supply. Users can set and choose the power supply mode through the following switch.

  • Page 83: External Power Supply Modes

    TC500K3US-O Installation Instructions Figure 8-11 Self-powered modes Self-powered mode of the inverter has been set up when delivery. Directly use, no other wiring. 8.10.2 External Power Supply Modes If the user selects the external power supply mode, the user shall adjust the machine as the following figure.

  • Page 84: Seal At The Bottom Of Cabinet

    TC500K3US-O Installation Instructions The diameter of cable for external power supply shall be not less than 2.5mm² (13AWG). Hot-line work may result in the risk of fatal electric shock, so make sure it is uncharged when connects with external power supply and in the case of setting the power supply mode.
  • Page 85 TC500K3US-O Installation Instructions Figure 8-13 Schematic diagrams of seal Items Name Cables Inlet line board Fireproofing mud There is a scupper at the bottom of the cabinet. There are two scuppers at the front and back of each cabinet, as shown in Figure 8-14, which are located near the door.
  • Page 86 TC500K3US-O Installation Instructions Figure 8-14 Schematic diagrams of scupper...
  • Page 87 TC500K3US-O Installation Instructions Items Name Scupper at the left front of the DC cabinet Scupper at the right front of the DC cabinet Scupper at the left back of the DC cabinet Scupper at the right back of the DC cabinet...

  • Page 88: Installation Inspections

    9 Installation Inspections This chapter gives a checklist which needs to be filled in after the installation of TC500K3US-O inverters. Before the inverter is put into operation, the installation of the inverter shall be checked by at least two staff members according to the following table to ensure validity of the installation of the inverter.
  • Page 89 TC500K3US-O Installation Instructions Other inspections □ All useless conductive parts shall be fastened with insulating tapes □ No tools, parts and conductive dusts or other foreign matters generated by drilling are left in the cabinet □ No condensed moisture or icing is inside the cabinet □...

  • Page 90: Commissioning

    TC500K3US-O Installation Instructions 10 Commissioning This chapter describes the process of the first run of the TC500K3US-O inverter after the installation is completed, including the inspections of the photovoltaic array, each check each wiring end of the cable before commissioning, commissioning requirements, preparatory work before starting and power on, etc..

  • Page 91: Check Before Commissioning

    TC500K3US-O Installation Instructions 10.2 Check before Commissioning 10.2.1 Check the PV Array Check the PV array before parallel. Check whether the open circuit voltage of each column meets the requirements. Ensure conditions of weather stable, as the voltage will change with the temperature of the solar cell panel.
  • Page 92 TC500K3US-O Installation Instructions  Check the grid voltage Check whether the three-phase of the inverter is connected correctly to the three-phase sequence of the grid. Check whether the phase voltage and line voltage are within a predetermined range with a multimeter, and records all phases and comparative voltage PE value in details.

  • Page 93: Preparing Before Power On

     value of each phase shall be almost the same, and do not exceed the allowable maximum DC voltage. TC500K3US-O DC voltage shall not exceed 600Vdc. Very high DC voltage will damage the inverter. 10.3 Preparing before Power on Ready to power on when all the items have been checked and all has been confirmed to meet the requirements.

  • Page 94: Power On

    Step 4 Operate LCD control panel to check whether they are normal and accurate. So far, TC500K3US-O commissioning has been completed; you can enter the daily operation and maintenance procedures. Once the normal operation of the inverter, only when maintenance and troubleshooting, there is a need to open the cabinet door.

  • Page 95: Appendixes

    TC500K3US-O Installation Instructions 11 Appendixes 11.1 Technical Data 11.1.1 Electrical Part Input data (DC side)  Parameter description Reference value Maximum DC voltage (Vdc) PV grounding mode PV-grounding (ANSI requirements) MPPT voltage range of DC input (V) DC320 ~ DC580 (full load)
  • Page 96 TC500K3US-O Installation Instructions Parameter description Reference value Trip limit and trip time accuracy 2V/20ms 0.1Hz/20ms Limits of accuracy of frequency measurement (Hz) Limits of accuracy of Voltage measurement (V) Total current waveform distortion factor(%) <3 (rated power) Control of power factor 0.9 (leading) ~ 0.9 (lagging)

  • Page 97: Mechanical Part

    Maximum continuous output power @ 60 C (kW) Cooling method Air-cooling Permissible relative humidity(%) 0 ~ 95 (without condensation) 11.1.4 Transformer Parameters A External Transformer was Used in TC500K3US-O Anti-Islanding Test, Transformer parameters are as Below: Item Primary Secondary Comments...

  • Page 98: Warranty Statement

    TC500K3US-O Installation Instructions Item Primary Secondary Comments Rated Voltage (V) 200/315/400 Rated Current (A) 1082.5 2165/1374.7/1082.5 -25 ～ 55 Cooling Air Temp.(℃) ≥100 ( DC1000V@60S ) Insulation level(MΩ) Short-circuit Impedance(%,75℃) Protection Level IP00 11.2 Warranty Statement 11.2.1 Normal Warranty (1) Evidence...
  • Page 99 TC500K3US-O Installation Instructions In the following cases, our company reserves the right not to conduct  quality assurance: Complete appliance, components are out of warranty.  Damages caused during transportation  Improper installation, alteration or use  Operating in harsh environment that doesn’t conform to the specifications ...

  • Page 100: Extended Warranty

    If you have any questions, please contact us about this product, contact details are as follows: Company name: TBEA Xi'an Electric Technology Co., Ltd. Address: Xi'an TBEA New Energy Industrial Park, No. 70, fourth Shanglinyuan Road, High-tech Zone, Xi’ an Zip code: 710119 Hotline: 400-606-6029 E-mail: tbeapower@tbea.com.cn...

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