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Related Manuals for KStar KSG Series
Summary of Contents for KStar KSG Series
- Page 1 KSG series 25KT/30KT/33KT/36KT/40KT Grid-Connected Inverter Shenzhen Kstar New Energy Company Limited Add:Kstar Industrial Park, Guangming Hi-Tech Park, shenzhen ,P.R.CHINA. Tel:0755-21389008 Fax:0755-21389008 202106 Ver:1.0 Web:www.kstar.com...
- Page 2 Contents...
- Page 3 User Manual User Manual Contents Contents Introduction 1.1 Product Description The new generation of household three-phase series photovoltaic grid connected inverter converts the sun into electric energy through the inverter device, which is used by the power users. It adopts a new design and integrates various functional devices to adapt to various complex installation environments.
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Page 4: Unpacking Inspection
User Manual User Manual 1.2 Unpacking Inspection Description Part # Model Number PV grid tie inverter Before opening the inverter package, please check whether the outer package is Wall/pole bracket damaged. After opening the package, please check whether the inverter appearance is damaged or lack of accessories. -
Page 5: Inverter Storage
User Manual User Manual 1.5 Inverter Storage Safety Instructions Proper storage is required if the inverter is not installed immediately. Improper use may result in potential electric shock hazards or burns. This manual contains • Store the inverter in the original packing case. important instructions that should be followed during installation and maintenance. -
Page 6: Front Panel Display
User Manual User Manual WARNING: Over view To reduce the risk of fire, over-current protective devices (OCPD) are required for circuits connected to the Inverter. The DC OCPD shall be installed per local requirements. All photovoltaic source and 3.1 Front Panel Display output circuit conductors shall have disconnects that comply with the NEC Article 690, Part II. -
Page 7: Keypad (Optional)
• Exposure to direct sunlight will increase the operational temperature of the inverter and The four-line Liquid Crystal Display (LCD) is located on the front panel of the Inverter, may cause output power limiting. Kstar recommends inverter installed to avoid direct which shows the following information: sunlight or raining. -
Page 8: Mounting The Inverter
User Manual User Manual • Install on a wall or strong structure capable of bearing the weight. 4.2 Mounting the Inverter • Install vertically with a maximum incline of +/-5° . If the mounted inverter is tilted to an angle Dimensions of wall bracket: greater than the maximum noted, heat dissipation can be inhibited, and may result in less than expected output power. -
Page 9: Electrical Connections
User Manual User Manual 2. Make sure that the bracket is horizontal and the mounting hole (as shown in Figure 4.4) 4.3 Electrical Connections is correctly marked, and drive the expansion pipe into the wall with a hammer. 4.3.1 Connect PV side of inverter 3. - Page 10 User Manual User Manual 3.Crimp the contact pin to the wire using a proper wire crimper. Check the positive and negative polarity of the PV strings, and connect the PV connectors to the right terminals. Serious damages to the inverter and connector over temperature may occur.
- Page 11 User Manual User Manual 4.3.2 Connection of AC output Step 2. Make the cable and crimp the OT terminal. For all AC connections, 4-10mm² 105 XJ cable is required to be used. Please make sure the resistance of cable is lower than 1 ohm. If the wire is longer than 20m, it's recommended to use 10mm²...
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Page 12: Max, Over Current Protection Device (Ocpd)
User Manual User Manual 4.3.4 Max, over current protection device (OCPD) To protect the inverter's PV and AC grid connection conductors, Kstar recommends installing breakers that will protect against overcurrent. The following table defines OCPD ratings for the inverters. Rated output... -
Page 13: Inverter Monitoring Connection
User Manual User Manual 4.3.5 Inverter monitoring connection 4.3.6 Meter connections(optional) The inverter can be monitored via Wi-Fi or GPRS. All KSG communication devices are This inverter has integrated export limitation functionality. To use this function, a CT optional . For connection instructions, please refer to the KSG Monitoring Device must be installed, if use the CT, please reference below picture. - Page 14 User Manual User Manual 4.3.7 DRED port connections(optional) Description Description 485A positive electrode DRED means demand response enable device. The AS/NZS 4777.2:2015 required 485B negative pole inverter need to support demand response mode(DRM). This function is for ▲ Table 4.6 inverterthat comply with AS/NZS 4777.2:2015 standard.
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Page 15: Start And Stop
User Manual User Manual Start&Stop LCD Operation Menu 5.1 Start the Inverter 6.1 Initialization To start up the Inverter, it is important that the following steps are strictly followed: Interface Explanation 1. Switch the grid supply main Switch (AC) ON first. After starting-up of inverter, LCD will firstly enter this Initializing…... -
Page 16: User Interface
User Manual User Manual When the menu is in an automatic cycling display mode, if error (fault) or warning alarm PV1 I NPUT occurs, it will skip into system interface immediately and lock to it, and this will make V OLTAGE : 550.0V C URRENT : 10.0A... - Page 17 User Manual User Manual 6.4.1 Input mode 6.4.4.1 Starting-up voltage Interface Explanation Interface Explanation Press UP/DOWN button to move corresponding option. Press UP/DOWN to increase or decrease the input figure, Then confirm the selected option and enter interface of --- INPUT MODE --- move the cursor backwards and confirm completion of input please restart (refer to 6.4.4.11) by pressing ENTER button.
- Page 18 User Manual User Manual 6.4.4.5 Low frequency of electric network 6.4.4.7.2 Power Value Interface Explanation Interface Explanation Press UP/DOWN to increase or decrease the input figure, Press UP/DOWN to increase or decrease the input figure, confirm input and enter into interface of Active power (refer confirm input and enter into interface of please restart (refer -- POWER VALUE -- to 6.4.4.7) by pressing ENTER button;...
- Page 19 User Manual User Manual 6.4.4.8.3 Reactive power 6.4.4.10 Over voltage derating Interface Explanation Interface Explanation Press UP/DOWN to increase or decrease the input figure, Press UP/DOWN button to move corresponding options, confirm input and return back Reactive power (refer to press ENTER to enter into the working interface (refer to --- V LOAD --- 6.4.4.8) by pressing ENTER button, press ESC button to...
- Page 20 User Manual User Manual 6.4.7 485 protocol 6.4.12 Password setting Interface Explanation Interface Explanation This interface will be used to alter password when entering Press UP/DOWN button to move corresponding options. into the setup interface (refer to 6.4). Press UP/ DOWN to And confirm selected option and return back the setup ----SELECT---- increase or decrease the input figure, press ENTER button...
- Page 21 User Manual User Manual 6.5.3 Firmware 6.4.15.2 THRESHOLD Interface Explanation Interface Explanation This interface displays edition No. of firmware such as ARM Press UP/DOWN to increase or decrease the input figure, -----FIRMWARE----- and DSP in inverter. UP/DOWN button is invalid, ENTER confirm input and return back Array detection (refer to ARM VER: button is invalid;...
- Page 22 User Manual User Manual 6.6.4 Generated energy of that day --EVE(1)-- Press UP/DOWN button to look over record backwards or 0.00Hz Interface Explanation frontward, press ESC button to return back the last 0.00Hz interface. 0.00Hz This interface displays generated energy of that day. -----E-TODAY ----- Refresh after 24 o'clock, inverter time should be set in different NUM:...
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Page 23: Maintenance
User Manual User Manual Maintenance Alarm Message Failure description Solution 1.Pease check mains voltage whether it is complied with local,safety standard Inverter does not require any regular maintenance. However, cleaning the dust on 2.Please check the AC output line is properly AC voltage &... - Page 24 User Manual User Manual Alarm Message Failure description Alarm Message Failure description Solution Solution 1.Disconnect PV input and cool down the 1.Disconnect PV input and restart the inverter inverter then restart the inverter to see if it is Consistency and check whether fault still exists. Amb Temperature Over back to normal operation.
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Page 25: Specifications
User Manual User Manual Specifications Specifications Model Specifications KSG-25KT-M1 Model Specifications KSG-30KT-M1 KSG-30KT-M1 Input(DC) Input(DC) Max. DC voltage Max. DC voltage 1100V 1100V Max. input current per MPPT tracker Max. input current per MPPT tracker PV short circuit current PV short circuit current Start Voltage Start Voltage 180V... - Page 26 User Manual User Manual Specifications Specifications KSG-33KT-M1 Model Specifications Model Specifications KSG-36KT-M1 Input(DC) Input(DC) Max. DC voltage Max. DC voltage 1100V 1100V Max. input current per MPPT tracker Max. input current per MPPT tracker PV short circuit current PV short circuit current Start Voltage Start Voltage 180V...
- Page 27 User Manual User Manual Specifications Protection devices DC Switch Output Over Current Model Specifications KSG-40KT-M1 Anti-islanding Protection Input(DC) DC Reverse Polarity Protection Max. DC voltage 1100V String Fault Detection Max. input current per MPPT tracker DC: Type II / AC: Type III / Type II Optional AC/DC Surge Protection PV short circuit current Insulation Detection...
- Page 28 User Manual User Manual Table 9.1 Grid Specification(3W+N+PE) Table 9.2 Grid Specification(3W+PE/LL) Grid Output Voltage Output Frequency Grid Output Voltage Output Frequency Boot wait Boot wait Error recovery Error recovery time(S) time(S) Specification Range (Vac) Range (Hz) Specification Range (Vac) Range (Hz) time (S) time (S)
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Page 29: Quality Assurance
KSTAR has the right to refuse to honor the quality guarantee. Conditions • After replacement, unqualified products shall be processed by KSTAR. • The customer shall give KSTAR or his partner a reasonable period to repair the faulty device. Exclusion of Liability...