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Related Manuals for KStar KSG-32K
Summary of Contents for KStar KSG-32K
- Page 1 KSG-32K Solar Inverter User Manual 201706 Ver 1.0...
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Page 2: Table Of Contents
Table of Contents 1. Introduction for Signs ............... 4 2. Introduction..................5 2.1 Preface ..................5 2.2 PV Grid-connected Generating System ........5 2.3 How to Use This Manual .............6 3. Safety Instructions ................7 4. Overall Introduction................8 4.1 Circuit Structure ................8 4.2 Description for External Interface.......... - Page 3 7.4.4 Working parameters............25 7.4.4.1 Starting-up voltage............25 7.4.4.2 Starting-up timelag ............25 7.4.4.3 Low voltage of electric network ........26 7.4.4.4 High voltage of electric network ......... 26 7.4.4.5 Low frequency of electric network........26 7.4.4.6 High frequency of electric network......27 7.4.4.7 Please starting-up again ..........27 7.4.5 485 address................27 7.4.6 485 baudrate................28...
- Page 4 7.6.8 Gross generation..............35 8. Installation ..................36 8.1 Overview ................... 36 8.2 Mechanical installation.............. 37 8.2.1 Installation introductions.............37 8.2.2 Mechanical dimension............37 8.2.3 Packing................38 8.2.4 Installation of Inverter............38 8.2.5 Installation Location............39 8.2.6 Installation Procedure............39 8.2.7 Ambient requirement............40 8.3 Electric connection..............41 8.3.1 Requirement for electric installation........41 8.3.2 Wire for alternating current connection.......42 8.3.3 Wire for direct current connection........42...
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Page 5: Introduction For Signs
1. Introduction for Signs In order to make a better use of this manual, please read the following sign explanation carefully. Warning! This sign indicates that it may cause danger to safety of users and/or attentions or instructions for possible serious damage to hardware. -
Page 6: Preface
2. Introduction 2.1 Preface Dear users, thank you for using photovoltaic grid-connected inverter products manufactured by our company which is experienced in development of photovoltaic grid-connected generating sets. We hope this product can meet your demands and welcome you to put forward more suggestions on performance and functions of this product. -
Page 7: How To Use This Manual
2.3 How to Use This Manual This manual aims to provide detailed product information and installation & use instructions for users of KSG-32K photovoltaic grid-connected inverter manufactured by this company. Please read this manual carefully prior to use of this product and store it properly in a place where it is convenient for installation, operation and available for maintenance personnel. -
Page 8: Safety Instructions
3. Safety Instructions ﹡ Please read this manual carefully prior to installation. This company assumes no responsibility for quality assurance upon equipment damage due to installation failing to follow instructions in this manual. ﹡ All operations and wiring shall be conducted by professional electrical or mechanical engineer. -
Page 9: Overall Introduction
4. Overall Introduction 4.1 Circuit Structure Figure 2 shows main circuit of KSG-32K inverter by which the direct current is input via three-phase full-bridge circuit and transformed into sine-wave current through filter and output to power grid. To make the... -
Page 10: Description For External Interface
4.2 Description for External Interface Figure 3: Interface of KSG-32K Inverter █ Instructions for Interface ﹡ 1: DC Input: DC input terminal, connected to positive and negative electrode input of photovoltaic array respectively. ﹡ 2: Communication Interface RS232: connected with PC via joint RS232. -
Page 11: System Operation
5. System Operation 5.1 System Mode The operation modes of KSG-32K grid-connected type inverter include the initialization, waiting, self-checking, grid-connected operating and error modes. ﹡ Initialization mode: the internal data will be initialized upon power on of controller. ﹡ Waiting mode: the inverter will be under waiting mode if the output voltage of PV battery board is low and it has not detected any fault. - Page 12 PV arrays, output side and power grid are all correct. Three kinds of modes are optional for connection between DC input side of KSG-32K grid- connected inverter and PV arrays: ﹡ Independent input mode: three groups of different PV arrays may...
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Page 13: System Shutdown
﹡ Mixed input mode: two groups of different PV arrays may be connected to input end of inverter, where one group of PV arrays is required to lead out two lines of parallel input terminal and connected to terminal PV1/PV2 at input side of inverter, while the other group is connected to terminal PV3 at input side of inverter. -
Page 14: Error And Alarm
5.4 Error and Alarm The error and alarm information of KSG-32K photovoltaic grid-connected inverter refer to the following table: Table 5.1 Working conditions and fault/alarm message Message display Working conditions Description in English Normal working status PV voltage <180V, the inverter is... - Page 15 Reserved Reserved Heatsink Temperature High Heatsink temperature is too High. AC Relay Abnormal AC relay is abnormal. One of PV input is idle when inverter is PV Input Voltage Low set on parallel mode. Remote Off Status of inverter is on remote off. Reserved Reserved SPI Communication Fault...
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Page 16: Type Of System Fault And Trouble Shooting
5.5 Type of system fault and trouble shooting Table 5.3 Type of system fault and trouble shooting Trouble Shooting Alarm Message Solution (1)Pease check mains voltage whether it is complied with local safety standard AC voltage & (2)Please check the AC output line is properly connected. Make frequency are too sure its output voltage to see if it is normal. - Page 17 (1)Disconnect PV input and cool down the inverter then restart the Ambient inverter to see if it is back to normal operation. Temperature High (2)Please check environmental temperature whether out of (F12) working temperature. (3)Contact with your local distributor if the fault still exists. (1)Disconnect PV input and cool down the inverter then restart the Heatsink inverter to see if it is back to normal operation.
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Page 18: Human-Machine Interface
6. Human-machine Interface 6.1 LCD controlled panel There are 4 buttons and 4 LEDs installed on the panel of KSG-32K inverter, as shown in Figure 7. Figure 7: LCD Controlled Panel Table 6.1 Description for LED light LED light Definition... -
Page 19: Networking For Monitoring
6.2 Networking for monitoring The inverter is provided with various kinds of communication odes, when the user requires to monitor the running information of photovoltaic power generation system, we will offer the following design scheme for monitoring system. ■ Intelligent cluster controller: Figure 8: Data collector conducts monitoring through RS485 ■... -
Page 20: Dry Contact
Signal Pins of Inverter RS485 terminal block are defined as follow: Figure 11: RS485 Port 6.3 Dry contact Interface (optional). 6.4 Remote control The inverter can realize the remote SHUTDOWN and ON and power limit regulatory function by the associated monitoring software. Installation and Operation Manual ... -
Page 21: Lcd Operation Menu
7. LCD Operation Menu 7.1 Initialization Interface Explanation After starting-up of inverter, LCD will firstly enter this interface, and deliver During initialization… parameters required by operation of the please wait! machine to DSP. 7.2 Major cycle menu After initialization, LCD will enter a major cycle menu to display running information of the inverter in a circulating mode, including 10 interfaces for network voltage, frequency of electric network, etc. - Page 22 Figure 12: Interface of recycling display When the menu is in an automatic cycling display mode, if error (fault) or warning alarm occurs, it will skip into system interface immediately and lock to it, and this will make convenience for the user to determine its cause based on codes on the interface.
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Page 23: User Interface
7.3 User interface Interface Description Select corresponding options by pressing UP or DOWN button, enter “setting”, -----User----- “inquiry” and “statistics” menus by →1:Setting pressing ENTER button. Press ESC to 2:Inquiry return major circulating menu. 3:Statistics 7.4 Setting Interface Description After entering into the setup interface, t h e s y s t e m w i l l p r o m p t t o i n p u t -----Password----- password, the default password is... -
Page 24: Input Mode
7.4.1 Input mode Interface Description Press UP/DOWN button to move corresponding option. Then confirm the ----- Input mode ----- selected option and enter interface of →1:Independent please starting-up again (refer to 7.4.4.7) 2:Parallel connection by pressing ENTER button. Press ESC 3:Mixed connection button to cancel choice and return back setup interface (refer to 7.4). -
Page 25: Working Parameters
7.4.4 Working parameters Interface Description Press UP/DOWN button move corresponding options, press ENTER to -- Working parameters-- enter into the selected menu; return back →1:Starting-up voltage setup interface (refer to 7.4) by pressing 2:Starting-up timelag ESC, there are 6 options in total, including 3:Low voltage of starting-up voltage, starting-up timelag, electric network... -
Page 26: Low Voltage Of Electric Network
7.4.4.3 Low voltage of electric network Interface Description P r e s s U P / D O WN i n cr e as e decrease the input figure, confirm input --GRID VOLTLOW-- and enter into interface of please starting-up Input: again (refer to 7.4.4.7) by pressing ENTER Unit:... -
Page 27: High Frequency Of Electric Network
7.4.4.6 High frequency of electric network Interface Description P r e s s U P / D O WN i n cr e as e decrease the input figure, confirm input and --- High frequency of enter into interface of starting-up again electric network --- (refer to 7.4.4.7) by pressing ENTER Input:... -
Page 28: 485 Baudrate
Press UP/DOWN button to move corresponding options. confirm ------SELECT------ selected option and return back the setup →1:KSTAR interface by pressing ENTER button 2:MODBUS (refer to7.4), press ESC button to cancel choice and return back setup interface (refer to 7.4); 7.4.8 Display language... -
Page 29: Lcd Backlight
7.4.9 LCD backlight Interface Description P r e s s U P / D O WN i n cr e as e decrease the input figure, confirm input and ---Backlight time--- return back setup interface (refer to 7.4) by Input: pressing ENTER button, press ESC Unit: Second... -
Page 30: Password Setting
7.4.12 Password setting Interface Description This interface will be used to alter password when entering into the setup ----- Password ----- interface (refer to 7.4). Press UP/ Old one: XXXXX DOWN to increase or decrease the input New one: XXXXX figure, press ENTER button to move the Confirm: XXXXX cursor backwards, confirm input and... -
Page 31: Inquiry
7.5 Inquiry Interface Description Press UP/DOWN button to move the corresponding option, enter into the -----Inquiry----- selected menu by pressing ENTER →1: INV MODEL button; and return back the user 2: MODEL NO interface (refer to 7.3) by pressing ESC 3: FIRMWARE button, there are 4 options in total, 4: RECORD... -
Page 32: Firmware
7.5.3 Firmware Interface Description This interface displays edition No. of firmware such as ARM and DSP in -----Firmware----- inverter. UP/DOWN button is invalid, ARM Edition: ENTER button is invalid; and press ESC DSP Edition: button to return back the inquiry interface (refer to 7.5). -
Page 33: Statistics
This interface is used for displaying the corresponding specific numerical value ---Numerical value--- when the code generates. For example, Voltage of producing error code for high voltage value commercial power of commercial power, and we can refer to 285V the voltage value of c at that that in this interface. -
Page 34: Times Of Paralleling In
7.6.2 Times of paralleling in Interface Description This interface displays times paralleling in for the inverter. UP/ --Times of DOWN button is invalid, and ENTER is paralleling in— also invalid; press ESC button to return Numerical value: 45 back statistics interface (refer to 7.6). 7.6.3 Power peak Interface Description... -
Page 35: Generated Energy Of That Month
7.6.6 Generated energy of that month Interface Description This interface displays generated energy of that month. UP/DOWN button -----This month----- is invalid, and ENTER is also invalid; Numerical value: 3000 press ESC button to return back statistics Unit: interface (refer to 7.6). 7.6.7 Generated energy of that year Interface Description... -
Page 36: Installation
8. Installation 8.1 Overview The installation introduction of KSG-32K inverter is as follows. Please read this chapter carefully to help you install the KSG-32K photovoltaic grid- connected inverter correctly. Inspection of damage during transportation The KSG-32K inverter may be damaged during transportation even if we have conducted the test and detection for it before transportation. -
Page 37: Mechanical Installation
8.2.2 Mechanical dimension We offer the dimension of case aiming to create the convenience for your mechanical installation of KSG-32K inverter. The mechanical dimension: 636×1000×260mm in width× height×depth. Figure 13: KSG-32K Dimension Installation and Operation Manual 36 ... -
Page 38: Packing
8.2.3 Packing Please check carefully before opening the package of the equipment. It may cause the inverter damage in case the packing material is found damage, please contact with forwarder for claim. If necessary, Please feel free to contact us. 8.2.4 Installation of Inverter Please read the following installation instruction before you start your work so as to achieve best effect of the inverter. -
Page 39: Installation Location
8.2.5 Installation Location Figure 14 1. The inverter is suitable to be installed on vertical or backwards tilt wall as shown above, the tilt angle should be less 15°. 2. Don’t install inverter on forward tilt wall. 3. Don’t install inverter on horizontal wall. 4. - Page 40 ● Fix the rack to concrete wall (option) 1. Stick the rack from the packing list to the wall. Use Ø14 driller kit to drill installation holes according to the hole position of the formwork. 2. Clean the dust inside the holes, and insert expansion bolt into the holes.
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Page 41: Ambient Requirement
Avoid contacting with them. 8.3 Electric connection 8.3.1 Requirement for electric installation ● Photovoltaic array The open-circuit voltage for photovoltaic array cannot exceed 1000V with allocated power for it of 33KW. (Take KSG-32K as example) Recommended maximum power for photovoltaic array: 33KW... -
Page 42: Wire For Alternating Current Connection
﹡ Confirm that the wiring is firm. Warning! Assure there is no live part of KSG-32K inverter during electric wiring. Installation and Operation Manual 41 ... - Page 43 8.3.3 Wire for direct current connection Warning! The open-circuit voltage of photovoltaic array should not exceed 1000V, or the equipment will be damaged. Measure the open-circuit voltage of photovoltaic array with multimeter when connecting. Warning! The positive pole and negative pole of voltage for photovoltaic array cannot be reverse, which can be measured with multimeter.
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Page 44: Wire For Communication Connection
Figure 18: Communication Connection Figure 19: RS485/ RS232 Converter Figure 20: RS485 Port When the GPRS/WIFI data controller monitor the PV inverter, the pin definition of GPRS/WIFI as shown in the figure21 below. Figure 21 Installation and Operation Manual 43 ... -
Page 45: Starting And Closing
3. First, close the breaker of direct current input. 4. Then, close the breaker of grid. 5. The KSG-32K inverter will be started automatically and combined to the grid when the conditions for normal operation of machine are satisfied. -
Page 46: Technical Data
9. Technical Data Table 9.1 Technical Data MODEL KSG-32K Input Data Maximum power of PV 33KW Maximum voltage of 1000V direct current Rated operational 620V Tracking scope of 250V~950V 480V~ 800V Full load MPP voltage Maximum input current 26 A×3... - Page 47 Table 9.2 Grid Specification(3W+N+PE/LN) Grid Output Voltage Output Frequency Boot wait Error recovery Range(Vac) Range (Hz) time (S) time (S) specification 60Hz 184 - 276 58 - 62 Table 9.3 Grid Specification(3W+PE/LL) Grid Output Voltage Output Frequency Boot wait Error recovery Range(Vac) Range (Hz) time (S)
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Page 48: Appendix
10. Appendix 10.1 Quality assurance The quality assurance for product of Our company can be conducted only on the condition that invoice and date when customer purchases the product should be presented and the trade on the product is clear during quality assurance period.