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Sungrow SG500MX Скачать руководство пользователя страница 52

46

10

Troubleshooting

Lethal voltages are present inside the inverter when a fault occurs.



Only qualified personnel can perform the troubleshooting described in this chapter.
Qualified means that the operator has received professional training on devices
troubleshooting.



Do not perform any troubleshooting other than that specified in this manual.



Respect all safety instructions during troubleshooting.

Disconnect all AC and DC Switches and external power supplies before
troubleshooting.

Should any questions or doubts arise that are not covered by this manual, please contact us.

If you provide our customer service assistant the following information, it will be of great help
for us to diagnose and solve the problem in your system:



Type of inverter



Serial number of the inverter



Manufacturer, model and configuration of the PV arrays connected to the inverter



Inverter communication solution



Fault and brief description of the fault phenomenon



A picture of the fault if necessary

10.1

Fault Checking

If any power output anomaly is observed, you may check the following items before contacting
Sungrow.



Open-circuit voltage of the PV arrays



State of the emergency stop button



Power limitation state

10.2

Fault and Troubleshooting of LED

LED state

Description

No LED is on

Disconnect the AC/DC voltage for 5 minutes. Reconnect the AC/DC
voltage.
If the LEDs keep off, repair or replace them.
Contact Sungrow if the malfunction cannot be removed following
these instructions.

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Содержание SG500MX

Страница 1: ...SG500MX OEN Ver11 201511 SG500MX PV Grid Connected Inverter Operation Manual...

Страница 2: ......

Страница 3: ...Qualified Personnel 5 2 3 3 Markings on the Inverter 5 2 3 4 Safety Warning Signs 6 2 3 5 Emergency Escape Route 6 2 3 6 PV Arrays Hazards 6 2 3 7 Live Line Measurement 6 2 3 8 Measuring Instrument 6...

Страница 4: ...2 Default Screen 18 6 2 1 Initialization 18 6 2 2 Default Screen Introduction 19 6 2 3 Backlight and Screensaver 19 6 3 Overview of LCD Menu and Icon 19 6 3 1 Overview of Submenu and Icon 19 6 3 2 Lay...

Страница 5: ...n 34 8 2 1 Active Power Limitation Introduction 34 8 2 2 How to Realize Power Limitation 35 8 3 Reactive Power Adjustment 35 8 4 LVRT 36 8 5 High Voltage Ride Through HVRT 36 8 6 Temperature Derating...

Страница 6: ...ubleshooting on the LCD screen 47 10 4 LCD Display Alarm Information and Troubleshooting 49 10 5 Other Faults 50 11 Appendix 52 11 1 Technical Data 52 11 1 1 Electrical Parameters 52 11 1 2 Mechanical...

Страница 7: ...structions Safety instructions for the operation and maintenance of the inverter Product description Basic information about the inverter is described including its structure function classification a...

Страница 8: ...d operational instructions that must be accurately understood and followed during the installation and maintenance of the equipment To ensure optimum use of this manual note the following explanations...

Страница 9: ...Operation Manual 1 About this Manual 3 Symbols Explanations Risk of electric shock Hot surface Connection point for earth conductor Protective conductor terminal...

Страница 10: ...arrays B PV array combiner box C Inverter D Medium voltage Transformer E Utility grid The intended usage described in this section must be strictly observed Any other or additional usage other than t...

Страница 11: ...this manual especially those safety related items must be complied with Please read all the instructions thoroughly prior to any operation work on the inverter This manual and relevant documents shoul...

Страница 12: ...ency situation Keep the escape route clear and unblocked at all times Never block or lock the emergency escape route 2 3 6 PV Arrays Hazards High Voltages will exist between positive and negative pola...

Страница 13: ...ESD related safety regulations Discharge electrostatic charge by touching the grounded conductor before contacting any electronic components 2 3 11 Moisture protection Penetrating moisture may damage...

Страница 14: ...c gloves insulating shoes when maintaining or servicing the device Emergency aid should be prepared beforehand since the inverter is always installed far away from the downtown area Every possible aux...

Страница 15: ...and inverter AC side power supply will be stopped immediately D Start Stop Switch Start Stop the inverter E Door Lock Three door locks to lock unlock front doors 3 1 2 LED Indicators There are three...

Страница 16: ...al power supply immediately when pressing down the emergency stop button Electrical shock hazards The pressing of the emergency stop button in no way implies that no voltage is present in the electric...

Страница 17: ...SolarInfo Logger can monitor the communication of single or multiple inverters Fig 3 2 SolarInfo Logger Collects Data through RS485 PC Inverter communicates with PC via RS485 RS232 converter SolarInfo...

Страница 18: ...RJ45 port of the inverter to the RJ45 port of the PC directly SolarInfo Insight is used to monitor the communication Fig 3 5 Ethernet communication of one inverter Multiple inverters communication If...

Страница 19: ...ting the inverter 4 1 2 Steps to Starting the Inverter When the abovementioned conditions are fulfilled proceed as follows to start the inverter Step 1 Open the inverter AC cabinet door Turn the AC sw...

Страница 20: ...rbidden Otherwise the switch can be damaged and the inverter may also be damaged 4 2 2 Inverter Stops when a fault occurs Proceed as follows to stop the inverter when a fault or emergency occurs as fo...

Страница 21: ...ream connections are disconnected The inverter is therefore electricity free Initial Standby When the inverter upstream and downstream connections are connected and the AC DC switches are in the ON po...

Страница 22: ...rable inverter must be stopped to perform maintenance work Inverter will automatically check if the fault is recoverable When there is a DSP fault or module fault restart of the inverter through the L...

Страница 23: ...maintenance or service work Alram Run In Warning Run mode inverter can keep running but send warning signal User can check the present warning information through the Working state on the LCD default...

Страница 24: ...power on and green in normal operation B Data display and operation area For user s convenience there are a large number of pictures about the LCD interface in this chapter The parameters and other de...

Страница 25: ...inverter internal communication H Success rate of communication between the inverter and PC Accessing to submenus mentioned below starts from the default menu LCD screen contains lots of parameters pe...

Страница 26: ...pt for the default menu Item Description A Title bar The first line from the top is the present success rate of communication The left side of the second line is the name of the present page while the...

Страница 27: ...put digital outside this range is invalid If the input password is 1111 user can enter into the normal parameter setting page and set the system parameters running parameters protection parameters and...

Страница 28: ...anguage on the button is the present display language of the display A 6 6 Date and Time Setting Step 1 Tap Function from the default menu Step 2 Tap Set parameter Step 3 Tap Sys parameter after enter...

Страница 29: ...icular day in percentage of the nominal power The data are updated every several seconds and the total diagram data will be cleared at the beginning of a new day Proceed as follow to view the running...

Страница 30: ...mation for the latest 90 days with the records updated every 15 minutes History data displays the data related to the power yields and the electric quantity of the inverter Proceed as follows to check...

Страница 31: ...u Step 3 Tap his alarm and enter into the history alarm sub menu Up to 100 history alarms can be viewed from this sub menu with up to 5 records can be shown in one page The upper left side of the even...

Страница 32: ...Stopping the Inverter In Start Stop screen click Stop and a Confirm stop window appears Tap Enter to stop the inverter while tap Cancel to cancel the operation 6 11 Energy Output Deviation Adjustment...

Страница 33: ...tering the correct password Step 4 Tap Load default and the password inputting window appears The password is 1111 The system will be reset after entering the password 6 13 Firmware Version Checking U...

Страница 34: ...Tap Com parameter after entering the correct password Set parameter from the Serial Port Parameter interface for RS485 serial communication Set parameter from the Network Parameter interface for Netwo...

Страница 35: ...n of Running Parameters Descriptions of the running parameters are shown in the following table Parameter Description Vmppt max V Unavailable Vmppt min V Unavailable T start wait s The time from the A...

Страница 36: ...Close Pf Q limit Pf can be adjusted Power off saved Pf Save Not Save Save Power off saved P limited Save Not Save Not Save SVG switch Enable Disable Disable T recover s 20 600 60 Note non settable at...

Страница 37: ...tion II value Protection is activated when voltage is below this value _T Vlow trip ms Set the grid under voltage I tripping protection time _T Vlow trip ms Set the grid under voltage II tripping prot...

Страница 38: ...pair Ins monitor measure time S Set the insulation monitor measure time Ins monitor protect threshold K Set the threshold value of the insulation monitor resistance Setting ranges and default values o...

Страница 39: ...HVRT tolera ms 100 5000 500 Active Islanding Enable Disable Disable I leakage pro A 1 8 5 Anti PID mode Invalid Suppression Repair Invalid mode disabled Suppression mode enabled Ins monitor measure t...

Страница 40: ...om the default menu Step 2 Tap Set parameter Step 3 Tap Sys parameter after entering the correct password Step 4 Tap Remote Local control and enter into the Remote Local control sub menu Step 5 Select...

Страница 41: ...setting sub menu and can be set accordingly 8 3 Reactive Power Adjustment Inverter can provide reactive power output User can open or close the reactive power adjustment switch and set the reactive po...

Страница 42: ...r second Dynamic reactive current support During LVRT power station should feed reactive current to the power system as per requirements For a station whose 500kV or 750kV voltage is stepped up from t...

Страница 43: ...eep the nominal power output When the ambient temperature is above 65 inverter enters into protection mode Temperature 1 0 1 1 0 55 25 50 Nominal value 65 1 2 L1 10kW L2 50kW 30 Fig 8 3 Inverter tempe...

Страница 44: ...creases inverter will increase the fan speed for well ventilation The intelligent temperature control technology can synchronize the speed of fan and temperature of the IGBT module and thus optimize t...

Страница 45: ...interrupted user can enable the repair function manually from the LCD as follows Step 1 Tap Function from the default menu Step 2 Tap Set parameter Step 3 Tap Pro parameter after entering the correct...

Страница 46: ...ecovers to normal the fault loop is in the AC side If the insulation resistance is still low the fault loop is in the DC side No matter the fault is in the DC side or in the AC side a thorough checkin...

Страница 47: ...nverter will limit the power yield at maximum AC power point If the temperature exceeds the permissible value inverter will automatically stop operating unless the condition resumes normal Ground prot...

Страница 48: ...f the cable connection terminals inside the AC and DC cabinet To avoid the risk of electric shock before opening the cabinet door Disconnect the switches Disconnect the upstream and downstream switch...

Страница 49: ...ace in contact with the metal are damaged Check if the wrap belt of the connection terminals is strip off Six months after commissioning for the first time and then once every six month to a year Term...

Страница 50: ...to remove the internal protective grid during maintenance Make sure to reassembly the grid and fasten all the screws after the maintenance work Make sure all bolts are securely fixed The frequency of...

Страница 51: ...he filter User can cut proper filters out of the larger filter 9 4 Replacement of the electrical components The electrical components inside the inverter must be replaced by the same components from t...

Страница 52: ...wing information it will be of great help for us to diagnose and solve the problem in your system Type of inverter Serial number of the inverter Manufacturer model and configuration of the PV arrays c...

Страница 53: ...en This section is dedicated to the faults shown on the LCD possible reasons and troubleshooting In case the fault cannot be removed following the instructions in this section please contact Sungrow F...

Страница 54: ...ted value Measure Check functionality of fan after the device is voltage free Remark Stop the inverter if this fault occurs 10 times per day Fault PM high Possible reason Module temperature exceeds th...

Страница 55: ...s into anti islanding protection state automatically Remark Inverter automatically reconnects to the grid once the grid becomes normal Fault Ctrol power supply flt Possible reason CPS Control power su...

Страница 56: ...age will decrease and inverter will stop when it is under load Solution design the serial and parallel connection in accordance with the open circuit voltage increase the input DC voltage avoid adopti...

Страница 57: ...hed Communicate again after replacing the converter The monitor disk is installed incorrectly It is recommended to reinstall the disk If all the above mentioned items are correct and this fault contin...

Страница 58: ...requency 50Hz 60Hz Grid Frequency Range 47 52Hz 57 62Hz Output Current THD 3 at nominal power DC current injection 0 5 of nominal output current Power factor 0 9 lagging 0 9 leading 11 1 2 Mechanical...

Страница 59: ...malfunctions due to operation attached or neighboring devices running out of the allowed limit values Unforeseen calamity or force majeure The use of supplied software produced by Sungrow Power Supply...

Страница 60: ...gh the following information We will be more than happy to assist you Company Sungrow Power Supply Co Ltd Website www sungrowpower com Email Info sungrow cn service sungrow cn Address No 1699 Xiyou Rd...

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