Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for KStar KSG-12K
Summary of Contents for KStar KSG-12K
- Page 1 KSG-12K KSG-12K Solar Inverter Solar Inverter User Manual 201611 Ver 1.0...
-
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............23 7.4.4.1 Starting-up voltage............23 7.4.4.2 Starting-up timelag ............23 7.4.4.3 Low voltage of electric network ........24 7.4.4.4 High voltage of electric network ......... 24 7.4.4.5 Low frequency of electric network........24 7.4.4.6 High frequency of electric network......25 7.4.4.7 Please starting-up again ..........25 7.4.5 485 address................25 7.4.6 485 baudrate................26...
- Page 4 7.6.8 Gross generation..............33 8. Installation ..................34 8.1 Overview ................... 34 8.2 Mechanical installation.............. 35 8.2.1 Installation introductions.............35 8.2.2 Mechanical dimension............35 8.2.3 Packing................36 8.2.4 Installation of Inverter............36 8.2.5 Installation Location............37 8.2.6 Installation Procedure............37 8.2.7 Ambient requirement............38 8.3 Electric connection..............39 8.3.1 Requirement for electric installation........39 8.3.2 Wire for alternating current connection.......40 8.3.3 Wire for direct current connection........40...
-
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: Introduction
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-12K 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-12K 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-12K 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
Prior to grid connection of the inverter, please confirm if the wirings among input side of inverter, PV arrays, output side and power grid are all correct. Three kinds of modes are optional for connection between DC input side of KSG-12K grid-connected inverter and PV arrays: Installation and Operation Manual... - Page 12 ﹡ Independent input mode: two groups of different PV arrays may be connected to input end of inverter and independent MPPT controller is available for each group of PV arrays to control grid-connected operation. Figure 4: Independent Input Mode ﹡ Parallel input mode: only one group of PV arrays is connected with input end of the inverter, which is then connected to input side of inverter via two groups of parallel input terminals.
-
Page 13: System Shutdown
The inverter will cut away from the grid upon discovery of any abnormal condition during the grid-connected process. 5.4 Error and Alarm The error and alarm information of KSG-12K photovoltaic grid-connected inverter refer to the following table: Table 5.1 Working conditions and fault/alarm message... - Page 14 Bus Voltage Low Bus voltage is too low. Bus Voltage High Bus voltage is too high. Positive voltage or negative voltage is too Bus Voltage Abnormal high or too low on bus. PV arrays Insulation impedance is too Insulation Impedance Low F07 low.
-
Page 15: 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 16 (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.
-
Page 17: 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-12K inverter, as shown in Figure 6. Figure 6: LCD Controlled Panel Table 6.1 Description for LED light LED light Definition... -
Page 18: 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 7: Data collector conducts monitoring through RS485 ■... -
Page 19: Dry Contact
Signal Pins of Inverter RS485 terminal block are defined as follow: Figure 10: 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 20: 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 21 Figure 11: 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.
-
Page 22: 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 23: 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. 3:Mixed connection Press ESC button to cancel choice and return back setup interface (refer to 7.4). -
Page 24: 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 25: Low Voltage Of Electric Network
7.4.4.3 Low voltage of electric network Interface Description Pr e s s UP/ DO WN i ncr 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: button;... -
Page 26: High Frequency Of Electric Network
7.4.4.6 High frequency of electric network Interface Description Pr e s s UP/ DO WN i ncr 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: button;... -
Page 27: 485 Baudrate
Press UP/DOWN button to move corresponding options. And 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);... -
Page 28: Lcd Backlight
7.4.9 LCD backlight Interface Description Pr e s s UP/ DO WN i ncr 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 button to cancel input and return back... -
Page 29: 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 30: 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 31: 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 32: 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 33: 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 34: 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 35: Installation
8. Installation 8.1 Overview The installation introduction of KSG-12K inverter is as follows. Please read this chapter carefully to help you install the KSG-12K photovoltaic grid-connected inverter correctly. Inspection of damage during transportation The KSG-12K inverter may be damaged during transportation even if we have conducted the test and detection for it before transportation. -
Page 36: Mechanical Installation
The professional electrician must be invited to install this inverter. 8.2.2 Mechanical dimension We offer the dimension of case aiming to create the convenience for your mechanical installation of KSG-12K inverter. The mechanical dimension: 553×715×228mm in width×height×depth. Figure 12: KSG-12K Dimension Installation and Operation Manual... -
Page 37: 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 38: Installation Location
8.2.5 Installation Location Figure 13 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 39: Ambient Requirement
Hang and fix the inverter Figure 15 8.2.7 Ambient requirement Attention! The scope of ambient is -25°C to +60°C. Meanwhile, no direct sunlight for KSG-12K inverter should be satisfied, or the high temperature can influence the generated energy. Warning! Don’t place... -
Page 40: Electric Connection
Maximum open-circuit voltage for array: 1000V ● Three-phase grid The grid is detected continuously by KSG-12K inverter to refer to whether it can meet the grid connection condition. The grid limitation for grid condition is as follows. Meanwhile, the grid-connected inverter should be installed with permit of local electric department. -
Page 41: Wire For Alternating Current Connection
(3PH, without “N”) ﹡ The earth terminal is connected with the land via guide line. ﹡ Confirm that the wiring is firm. Warning! Assure there is no live part of KSG-12K inverter during electric wiring. 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. -
Page 42: Wire For Communication Connection
multimeter to assure that it cannot exceed 1000V. ﹡ Confirm the positive and negative pole with multimeter. ﹡ The positive pole of photovoltaic array is connected with “PV+” of direct current input ﹡ The negative pole of photovoltaic array is connected with “PV-” of direct current input. - Page 43 When the GPRS/WIFI data controller monitor the PV inverter, the pin definition of GPRS/WIFI as shown in the figure19 below. Figure 19 Installation and Operation Manual...
-
Page 44: Starting And Closing
3. First, close the breaker of direct current input. 4. Then, close the breaker of grid. 5. The KSG-12K inverter will be started automatically and combined to the grid when the conditions for normal operation of machine are satisfied. -
Page 45: Technical Data
9. Technical Data Table 9.1 Technical Data KSG-12K MODEL Input Data Maximum power of PV 13KW Maximum voltage of direct current 1000V Rated operational voltage 620V Tracking scope of voltage 250V~950V Full load MPP voltage 480V~800V Maximum input current 13A/13A... -
Page 46: 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.