Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Sungrow SG1100UD-MV
Summary of Contents for Sungrow SG1100UD-MV
- Page 1 User Manual MV Grid-Connected PV Inverter SG1100UD-MV/SG3300UD-MV/SG4400UD- MV/SG4400UD-MV-20 SG1100UD-MV/SG3300UD- MV Grid- MV/SG4400UD-MV/SG4400UD-MV-20 Connected PV InverterUser ManualSG1100_3300_4400UD-MV– 20–UEN-Ver41–202412M0D00313 SG1100_3300_4400UD-MV–20–UEN-Ver41–202412...
-
Page 3: All Rights Reserved
Software Licenses • It is prohibited to use data contained in firmware or software developed by SUNGROW, in part or in full, for commercial purposes by any means. • It is prohibited to perform reverse engineering, cracking, or any other operations that... -
Page 5: Table Of Contents
Contents All Rights Reserved .....................I 1 About This Manual ...................1 1.1 Validity......................1 1.2 Target Group ....................1 1.3 How to Use This Manual .................1 1.4 Symbol Explanations ..................2 2 Safety Instructions ....................3 2.1 Unpacking and Inspection ................4 2.2 Hoisting and Transportation................5 2.3 Electrical Connection ..................5 2.4 Operation.......................7 2.5 Operation and Maintenance ................7... - Page 6 5.1 Safety Precautions ..................25 5.2 Inspection Before Installation.................26 5.2.1 Scope of Delivery ................26 5.2.2 Product Inspection ................27 5.3 Installation Environment Requirements ............27 5.3.1 Installation Site ...................27 5.3.2 Foundation ..................28 5.3.3 Installation Spacing ................28 5.3.4 Installation Position Requirements............29 5.4 Hoisting and Fixing ..................29 5.4.1 Preparation Before Hoisting ..............29 5.4.2 Requirements for hoist and lifting rope ..........30 5.4.3 During Hoisting ...................30...
- Page 7 6.6.3 Securing AC Cable................56 6.7 Communication Connection ................57 6.7.1 Overview ....................57 6.7.2 Procedure ..................57 6.8 Switch/Ethernet Communication ..............58 6.9 Check After Wiring..................58 6.9.1 Inspection...................58 6.9.2 Locking Cabinet Door ................59 7 Powering Up and Powering Down ...............60 7.1 Safety Instructions ..................60 7.2 Powering Up Operations ................60 7.2.1 Removing Film on MV Grid-connected PV Inverter ........60 7.2.2 Installing Fuse in AC SPD ..............62...
- Page 8 8.4.5 Setting Initial Parameters..............74 8.4.6 Setting Operation Parameters ..............74 8.4.7 Setting Protection Parameters..............74 8.5 Modifying Password..................74 8.6 Logout ......................75 9 O&M on iSolarCloud App ................76 9.1 About iSolarCloud ..................76 9.2 Function Overview..................76 9.3 Download and Installation ................77 9.4 Login ......................78 9.4.1 Requirements ..................78 9.4.2 Login Steps ..................78 9.5 Home ......................81...
- Page 9 11.4.5 Cleaning the Floor Drain ..............112 11.4.6 Appearance Repair................113 11.4.6.1 Erasable Traces..............113 11.4.6.2 Indelible Traces ..............113 11.4.6.3 Broken Primer................ 114 11.4.7 Checking Door Locks and Hinges ............. 115 11.4.8 Checking Sealing Strips ..............115 11.5 Replacing Fuse..................115 11.5.1 Replacing DC Side Fuse ..............
-
Page 11: About This Manual
About This Manual This manual describes the transportation and storage, mechanical installation, electrical connection, power up and shutdown, web operation, troubleshooting, and maintenance of MV Grid-connected PV Inverter. Validity This manual applies to the following models: • SG1100UD - MV •... -
Page 12: Symbol Explanations
If the manual received is slightly inconsistent with the product, it may be a result of a product version upgrade, and the actual product shall prevail. For any questions, please contact SUNGROW Customer Service. Symbol Explanations To ensure the safety of the users and their properties when they use the product and to make sure that the product is used optimally and efficiently, this manual provides users with the relevant safety information which is marked by the following symbols. -
Page 13: Safety Instructions
Level 6 or stronger winds. SUNGROW shall not be held liable for any damage to the device due to force majeure, such as... -
Page 14: Unpacking And Inspection
Perform operations considering ac- tual on-site conditions. • SUNGROW shall not be held liable for any damage caused by violation of gen- eral safety operation requirements, general safety standards, or any safety in- struction in this manual. -
Page 15: Hoisting And Transportation
User Manual 2 Safety Instructions Hoisting and Transportation Risk of personal injury or device damage due to incorrect operation! • Follow the procedure of work of heights when walking on the top of the product. • All hoisting and transportation must comply with the relevant codes and regula- tions of the nation/region where the project is located. - Page 16 2 Safety Instructions User Manual PV modules will generate lethal high voltage when exposed to sunlight. • Operators must wear proper personal protective equipment during electrical connections. • Before performing an electrical connection, be sure to disconnect the smart PV combiner box and use measuring equipment to ensure that cables are voltage- free.
-
Page 17: Operation
User Manual 2 Safety Instructions Comply with the regulations related to the local grid during wiring. Operation When the product is working: • It is strictly forbidden to touch the live parts of the product. Otherwise, an elec- tric shock may occur. •... - Page 18 Do not open the cabinet door of any component of the inverter unit on sandy and windy days or when the relative humidity exceeds 95%. If some devices need to be replaced during operation and maintenance, please contact SUNGROW.
-
Page 19: Disposal
To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond those described in this manual. If necessary, contact SUNGROW for maintenance. Otherwise, the losses caused are not covered by the warranty. - Page 20 2 Safety Instructions User Manual Please scrap MV Grid-connected PV Inverter in accordance with relevant local reg- ulations and standards to avoid property losses or casualties.
-
Page 21: Product Description
Product Description Product Introduction The MV Grid-connected PV Inverter, designed and manufactured by SUNGROW, is mainly applied to medium and large-scale PV power plants. The MV Grid-connected PV Inverter can meet the requirements of modular design and quick installation for medium and large- scale PV power plants, and can ensure long-term, reliable, and safe feed-in operation. - Page 22 3 Product Description User Manual * The figure is for reference only. And the actual product received shall prevail. Name Description Convert the DC current generated by PV modules Inverter units into low-voltage AC current. Convert the low-voltage AC current output by the Transformer inverter units into medium-voltage AC current.
-
Page 23: Main Internal Equipment
User Manual 3 Product Description Main Internal Equipment 3.3.1 Appearance of Inverter Unit Name Top air inlet Indicator panel Start/Stop knob Emergency stop button. In case of emergency, press this button to disconnect the AC circuit breaker and DC load switch. Base LED Indicator table 3-1 Indicator Status Description... -
Page 24: Internal Structure Of Inverter Unit
3 Product Description User Manual Description Color Status A fault occurred and the system cannot be con- Steady on nected to the grid for power generation. Blinking (Interval WiFi connection is established and data communi- 0.2s) (Invaid for cation is in process. A fault is detected. Europe) The AC and DC power are disconnected. -
Page 25: Main Parts Of Transformer
User Manual 3 Product Description Description Name Off-grid commissioning Turn on this switch in the off-grid commissioning power supply switch mode. Control the on/off of the AC side circuits of the in- AC circuit breaker QF1 verter unit. Fuse of AC side SPD * is optional. - Page 26 3 Product Description User Manual Description Graphics Name In 45℃ environments: to obtain the tempera- ture of the winding. The alarm temperature is set to be 105 ℃ . The tripping temperature is set to be 120 ℃ Winding thermometer In 51℃...
-
Page 27: Main Parts Of Power Distribution Cabinet
User Manual 3 Product Description 3.3.4 Main Parts of Power Distribution Cabinet The power distribution cabinet is used for communication and power distribution. - Page 28 3 Product Description User Manual figure 3-1 Main Parts of 5K Power Distribution Cabinet...
-
Page 29: Main Parts Of Rmu
User Manual 3 Product Description figure 3-2 Main Parts of 15K Power Distribution Cabinet figure 3-3 Main Parts of 30K Power Distribution Cabinet Description Switch port or Ethernet port Fiber optic termination box Wiring terminal block QS4, main switch micro circuit breaker Please adopt Ethernet or switch communication according to the actual situation on site. - Page 30 3 Product Description User Manual figure 3-4 RMU (ABB) figure 3-5 RMU (ORMAZABAL) * The figures are for reference only. The actual product may differ. Name VCB (Vacuum Circuit Breaker) Disconnector Earthing switch Load switch (only available on Ormazabal)
-
Page 31: Symbol On Products
Read this manual carefully before any operation on the product. Do not dispose of this product as household waste. SUNGROW shall not be held liable for any equipment damage or safety incident caused by failure to observe the warning signs. -
Page 32: Transport And Storage
Transport and Storage Precautions Failure to transport and store the product in accordance with the requirements in this manual may invalidate the warranty. Transportation Requirements In the whole process of loading, unloading, and transport, follow strictly the appli- cable safe operating procedure in the country/region where the project is located. Tool and Personnel Requirements •... -
Page 33: Storage Requirements
User Manual 4 Transport and Storage Pre-transport route inspection should cover the following items: road condi- tions, height limits, actual heights, width limits, actual widths, weight limits, traf- fic restrictions, and potential obstructions. • In most cases, the total weight of a truck that carries the product will exceed the general weight limit on the road. -
Page 34: Protection During Storage
For a product shut down/stored for over six months, inspect its electrical components (IGBT module, DC fuses, fans, etc.), and take dehumidification and dedusting measures for the whole product. For detailed operation, please contact SUNGROW. • The UPS and their batteries must be charged once every six months after leaving the... -
Page 35: Mechanical Mounting
If there are prob- lems with the above inspection items, do not install the product and contact SUNGROW in time. -
Page 36: Inspection Before Installation
5 Mechanical Mounting User Manual Improper hoisting may cause personal injury! • It is strictly prohibited to stand within 10m outside the operating area (i. e., under the boom and the hoisted machine) to avoid casualties. • Only professional personnel can operate the product, and be sure to wear per- sonal protective equipment when operating. -
Page 37: Product Inspection
• Visually check the product for any damage. If any problems are found or there is any question, please contact the forwarding company or SUNGROW. Only install the product when it is complete and intact. Before installation, ensure that: •... -
Page 38: Foundation
5 Mechanical Mounting User Manual 5.3.2 Foundation Given that the installation site has been decided and the foundation has been set up before the arrival of the product, details on these two items will not be included in this manual. •... -
Page 39: Installation Position Requirements
User Manual 5 Mechanical Mounting 5.3.4 Installation Position Requirements The installation position needs to meet the heat dissipation performance of the product, and the appropriate position should be selected according to the installation location of the product. Hoisting and Fixing 5.4.1 Preparation Before Hoisting •... -
Page 40: Requirements For Hoist And Lifting Rope
5 Mechanical Mounting User Manual • Improper hoisting may cause personal injury! • It is strictly prohibited to stand within 10m outside the operating area (i. e., under the boom and the hoisted machine) to avoid casualties. 5.4.2 Requirements for hoist and lifting rope Requirement Cranes Rated load... -
Page 41: Fastening Of Connectors
User Manual 5 Mechanical Mounting figure 5-2 SG4400UD-MV Hoisting Diagram Be sure to hoist the product smoothly and evenly to avoid collision and vibration. Do not turn the product upside down, nor hoist it for a long time. Otherwise, per- sonal injury or product damage may occur! 5.4.4 Fastening of Connectors Use slings with hooks or U-hooks to hoist the MV Grid-connected PV Inverter. -
Page 42: Fixing
• National and local safety rules should be observed at all times. • Regardless of relevant safety rules may void pertinent warranty claims from SUNGROW. 5.4.5 Fixing Hoist the product to the intended location and fix it. Fixed by Welding Secure the bottom of the product to the foundation by welding. - Page 43 User Manual 5 Mechanical Mounting...
-
Page 44: Electrical Connection
Electrical Connection Precautions • Before electrical connections, please make sure that MV Grid-connected PV In- verter is not damaged, otherwise, it may cause danger! • Before making electrical connections, check and confirm that the cables are all intact and well-insulated. Poor insulation or cable damage may result in safety hazards. - Page 45 User Manual 6 Electrical Connection Sand and moisture penetration may damage the electrical equipment in the prod- uct, or affect their operating performance! • Avoid electrical connections during sandstorms or when the relative humidity in the surrounding environment is greater than 95%. •...
-
Page 46: Wiring Overview
6 Electrical Connection User Manual • Whenever necessary, wear proper protective equipment such as goggles, insu- lating gloves, and insulating shoes, and take all necessary auxiliary protective measures to ensure the safety of the personnel and the equipment. • Before operating the product, check and ensure that the tools to be used have undergone regular maintenance. -
Page 47: Preparation Before Wiring
User Manual 6 Electrical Connection 1- Inverter unit 2– Transformer 3– Power Distribution Cabinet table 6-1 Interface Description Description Recommended Cable Specifications DC input port 400 mm at most AC output port 70 mm — 400 mm 2 x 0.75 mm —2 x 1.5 mm shielded twisted pair Communication port... -
Page 48: Open The Product Door
6 Electrical Connection User Manual Heat gun Torque screwdriver Wire stripper Hydraulic clamp Torque wrench Multimeter Electric drill Screwdriver Protective gloves Goggles Insulated shoes Protective clothing Hard hat 6.3.2 Open the Product Door Step 1 Open the cabinet door. Step 2 Fix the doors of the inverter unit cabinet and power distribution cabinet. Step 3 Remove the protective cover of the wiring area. -
Page 49: Cables
User Manual 6 Electrical Connection 6.3.3 Cables The cables must meet the following requirements: • The current carrying capacity of the cable should meet the requirements. Factors affect- ing the current-carrying capacity of a conductor include but are not limited to: –... -
Page 50: Cable Inlet Preparation
6 Electrical Connection User Manual Description AC output cable inlet Pressure relief area 6.3.4.1 Cable Inlet Preparation Step 1 Identify the marks of hole positions. Step 2 Drill holes at the marks. - Page 51 User Manual 6 Electrical Connection Step 3 Lead cables into the cabinet through the holes, then secure the cables. Cables can be se- cured in different ways, usually with fireproof mud and waterproof connectors. Generally, you can choose one of them to secure the cables on site. The figure below shows how to secure the cables with fireproof mud.
-
Page 52: Ground Connection
* For the number of inputs and the cable size not mentioned above, please confirm with SUNGROW. * Waterproof connectors (contact SUNGROW in advance if needed) or fireproof mud (pre- pared by users) are used to seal off the cable inlets/outlets. -
Page 53: Overview
AC cables, DC cables, and communication cables. • Both grounding terminals on the side of the product must be connected to the protective grounding points reliably. SUNGROW shall not be held liable for any damage caused by the violation. •... -
Page 54: Grounding Cable
6 Electrical Connection User Manual 6.4.3 Grounding Cable Use 50 mm ~ 95mm grounding cables to reliably connect the two grounding terminals to the grounding points of the system. 1: Heat shrink tubing 2: OT/DT terminal DC Input Connection The PV arrays will generate lethal high voltage when exposed to sunlight. Respect all safety instructions listed in relevant documents about PV arrays. -
Page 55: Overview
User Manual 6 Electrical Connection • Make sure the PV array is well insulated to the ground before connecting it to MV Grid-connected PV Inverter. • Make sure the maximum DC voltage and the maximum short circuit current of any string never exceed MV Grid-connected PV Inverter permitted values speci- fied in "Technical Parameters". - Page 56 6 Electrical Connection User Manual Negative Grounding figure 6-4 7–way DC Input figure 6-5 7–way DC Input With MPLC...
- Page 57 User Manual 6 Electrical Connection Floating Grounding figure 6-6 7–way DC Input figure 6-7 7–way DC input With MPLC Illustrations in the manual are for the product with 7 DC inputs only. • For the product with 6 DC inputs, in its DC wiring area, the first fuse and cop- per bar on the right in the illustration are removed.
-
Page 58: Removing Insulation Board Before Connection
6 Electrical Connection User Manual figure 6-8 7–way DC input With ESS For the product with 6 DC inputs with ESS, in its DC wiring area, the first fuse and copper bar on the left in the illustration are removed. * The wiring area is subject to the actual product. -
Page 59: Ot/Dt Terminal Requirement
The number of PV strings connected to the DC side of each inverter unit should be consistent. If this is not possible, please contact SUNGROW. Step 1 Lead the cable into the wiring area through the inlet hole, and mark the cable polarity. - Page 60 6 Electrical Connection User Manual Step 2 Strip the protective layer of the cable to expose the copper core of the wire with strippers. Step 3 Install the OT/DT terminal to the wire and crimp them with a crimping tool. Install a heat shrink tubing to the terminal and heat it with a heat gun.
- Page 61 6-11 Double Side Copper Wire Connection * The length of bolts used for double-sided wiring should be determined based on the actual conditions at the project site. To implement double-sided wiring, please contact SUNGROW and provide relevant details to assess the feasibility first. •...
- Page 62 Prevent the aluminum component of the copper-aluminum bimetallic terminal from contacting the copper bar to avoid electrochemical corrosion, abnormal heating due to increased contact resistance, and potential equipment damage. To implement double-sided wiring, please contact SUNGROW and provide relevant details to assess the feasibility first.
-
Page 63: Securing Cables
User Manual 6 Electrical Connection When performing DC wiring, make sure the cables remain vertical to the ground without in- clination, to prevent the copper bar from getting deformed due to stress in other directions. Step 5 Pull the cable back slightly after wiring to ensure that the cable is long enough. •... -
Page 64: Ac Side Connection
6 Electrical Connection User Manual figure 6-14 Cable Clip Installation Note: The cable clip is an optional accessory. Follow-up Operation The figure below shows the DC side of the inverter unit after the wiring is completed. * The figure is for illustration only and the actual product on site may be different. Description Cable Waterproof connector *... -
Page 65: Procedure
User Manual 6 Electrical Connection • Check and ensure that the sleeves and copper bars in the wiring area in the HV compart- ment are free from damage, deformation, and fracture. 6.6.2 Procedure Step 1 Lead the cable from external device through the cable entry on the bottom of the cable compartment. -
Page 66: Securing Ac Cable
6 Electrical Connection User Manual Should there be any unused wiring terminals, block them with insulating caps. When connecting the AC cable, do not use the hole on the pressure relief plate as a substitute for the AC cable inlet. 6.6.3 Securing AC Cable After completing the AC cables inside the RMU according to the relevant requirements, se- cure the AC cables to prevent them from slipping due to stress. -
Page 67: Communication Connection
User Manual 6 Electrical Connection figure 6-18 Securing a three-core cable * The RMU in the figures are for reference only and may differ from the real product. Communication Connection 6.7.1 Overview There is an RS485 communication terminal block inside the power distribution cabinet. table 6-2 Port Mark and Definition (Example) Marks Plug-compatible Devices... -
Page 68: Switch/Ethernet Communication
6 Electrical Connection User Manual Step 4 Loosen the screwdriver, the metal plate returns and compresses the cable. * The figure is for reference only. The product received may differ. - - End Switch/Ethernet Communication Overview The switch or Ethernet port is set inside the power distribution cabinet, marked as A in the figure below. -
Page 69: Locking Cabinet Door
User Manual 6 Electrical Connection When the wiring is completed, check for the wiring correctness and then seal the gap between cables and inlet and outlet holes with fireproof/waterproof materials such as fireproof mud to prevent foreign matter or moisture from entering and af- fecting the long-term normal operation of MV Grid-connected PV Inverter. -
Page 70: Powering Up And Powering Down
Powering Up and Powering Down Safety Instructions When the product is working: • It is strictly forbidden to touch the live parts of the product. Otherwise, an elec- tric shock may occur. • It is strictly prohibited to disassemble any parts of the product. Otherwise, an electric shock may occur. - Page 71 User Manual 7 Powering Up and Powering Down figure 7-1 Remove Films on the Front figure 7-2 Remove Films on the Back Films Distribution Area of Switchgear...
-
Page 72: Installing Fuse In Ac Spd
7 Powering Up and Powering Down User Manual figure 7-3 Remove Films on the Switchgear Films Distribution Area of Power Distribution Cabinet figure 7-4 Remove Film at Air Inlet/Outlet of Power Distribution Cabinet * The figure is for reference only. And the actual product received shall prevail. 7.2.2 Installing Fuse in AC SPD Confirm the position of the Fuse in AC SPD. -
Page 73: Adjusting De-Energized Tap Changer
User Manual 7 Powering Up and Powering Down Step 3 Close the fuse holder in the AC side SPD. - - End 7.2.3 Adjusting De-energized Tap Changer Adjust the output voltage of the transformer. When operating the de-energized tap changer, ensure that the transformer is in a non-excitation state, that is, the high and low voltage sides of the transformer are uncharged. -
Page 74: Removing Foam Part From Oil Thermometer
7 Powering Up and Powering Down User Manual 7.2.5 Removing Foam Part from Oil Thermometer Remove the protective cover on the oil thermometer and remove the foam parts in the pro- tective cover before MV Grid-connected PV Inverter is officially put into operation. After removal, re-install the protective cover. -
Page 75: Inspection Before Powering Up
User Manual 7 Powering Up and Powering Down Step 3 Remove the cover plate of the drain valve. Step 4 Open the drain valve and the oil in the transformer slowly flows from the transformer into the tank. Step 5 Check the position of the oil level gauge according to the temperature-level curve according to the local ambient temperature. -
Page 76: Pv Array
7 Powering Up and Powering Down User Manual 7.3.2 PV Array The DC side voltage shall not exceed the maximum DC voltage allowed for MV Grid-con- nected PV Inverter. Otherwise, MV Grid-connected PV Inverter may be damaged and even cause safety accidents. To ensure the stable and efficient operation of the whole system, it is recommended that bat- teries connected to an MV Grid-connected PV Inverter should be of the same type and from the same manufacturer, and the number of batteries connected in series should be the... -
Page 77: Powering Down Operations
User Manual 7 Powering Up and Powering Down Step 2 On the V-cabinet of the RMU, turn off the earthing switch, turn on the disconnector, and then turn on the VCB. For an Ormazabal RMU, On the V-cabinet of the RMU, turn off the earthing switch, turn off the VCB, and turn on the load switch. -
Page 78: Unplanned (Emergency) Powering Down
7 Powering Up and Powering Down User Manual Step 6 On the V-cabinet of the RMU, turn off the VCB, turn off the disconnector, and turn on the earthing switch. For an Ormazabal RMU, on the V-cabinet of the RMU, turn off the VCB, turn off the load switch, and turn on the VCB again. - Page 79 User Manual 7 Powering Up and Powering Down Step 7 Disconnect the load switch/ Circuit breaker of the upstream smart PV combiner box. For the position of the above switches, please see "3.3.2 Internal Structure of In- verter Unit" "3.3.4 Main Parts of Power Distribution Cabinet".
-
Page 80: M On Web
O&M on WEB It is recommended to perform O&M on the WEB interface after the device is powered on. Communications Diagram The communication wiring inside the MV Grid-connected PV Inverter is completed before delivery. Connect the laptop to the switch inside the power distribution cabinet using a CAT- 5e cable on site to enable Web access on the laptop. -
Page 81: Preparation Before Login
User Manual 8 O&M on WEB figure 8-2 Wireless Communication Diagram Preparation Before Login 8.2.1 Login (Laptop) Step 1 To connect the laptop to the product, connect the network cable to the network port of the power distribution cabinet switch. Step 2 Configure the IP address of the laptop. -
Page 82: Login Steps
8 O&M on WEB User Manual - - End Login Steps Step 1 Enter the server address to enter the homepage as a visitor by default. Laptop: • NET1 port, URL: 12.12.12.12. • NET2 port, URL: 14.14.14.14. Mobile device: URL:11.11.11.1. Step 2 Click and select the desired language in the upper right corner of the interface. -
Page 83: Viewing Fault Information
User Manual 8 O&M on WEB Description Alarm number Language switching options User center 8.4.2 Viewing Fault Information Step 1 Click “Overview” → “General Information” on the left navigation bar to enter the homepage. Step 2 Click in the upper-right corner of the interface to view information such as the name and time of the fault event. -
Page 84: Setting Initial Parameters
8 O&M on WEB User Manual 8.4.5 Setting Initial Parameters Step 1 Click “Device Monitoring” in the left navigation bar. Step 2 Pull down “Country /Region” to set according to the product location, and pull down “Machine Choose” to set according to the actual product model. Click “Settings” to complete the initial parameter setting. -
Page 85: Logout
User Manual 8 O&M on WEB Logout To protect the account security, it is recommended to log out in time after the operation is completed. Exit Method Click and select Logout in the upper right corner of any interface. -
Page 86: M On Isolarcloud App
O&M on iSolarCloud App After the device is powered on, except on the Web interface, you can also perform simple O&M of devices on the iSolarCloud App. O&M via the iSolarCloud App is supported, except in Europe. About iSolarCloud With iSolarCloud App, communication between the MV Grid-connected PV Inverter and the mobile device can be established via WLAN, thus allowing for mobile maintenance of MV Grid-connected PV Inverters. -
Page 87: Download And Installation
User Manual 9 O&M on iSolarCloud App figure 9-1 Functional Tree of the iSolarCloud App Download and Installation Option 1 Search for "iSolarCloud" in the following app stores, and download and install the App. • MyApp/Yingyongbao (Android, mainland China users) •... -
Page 88: Login
9 O&M on iSolarCloud App User Manual Login 9.4.1 Requirements Before logging in to the App, please make sure: • The AC and DC side of the inverter units are powered on. • WLAN is enabled on your mobile device (e.g., mobile phone). •... - Page 89 User Manual 9 O&M on iSolarCloud App Step 2 Open the iSolarCloud App. On the login screen, tap Local Access at bottom left. figure 9-2 Local Access Step 3 A confirmation dialog will pop up on the screen, which is shown below. Tap Confirm to con- nect to the device.
- Page 90 9 O&M on iSolarCloud App User Manual figure 9-3 Login Confirmation Step 4 Tap More, and enter the account name and password to log in. The default account name is “user” and password is pw8888. Then, tap Verification. figure 9-4 Identity Verification To keep your account secure, please change the password as soon as possible.
-
Page 91: Home
User Manual 9 O&M on iSolarCloud App Step 5 Once logged in, you will go to the Home screen of the App. - - End Home Once logged in, you will go to the Home screen, as shown below. - Page 92 9 O&M on iSolarCloud App User Manual figure 9-5 Home Screen table 9-1 Description of Modules on the Home Screen Description Item Displays information such as generated output and feed-in power of the MV Grid-connected PV Inverter are shown here. Arrows between the icons indicate that there is energy flowing Power Flow between the devices.
-
Page 93: Device List
User Manual 9 O&M on iSolarCloud App Description Item Shows the daily yield curve by default. You can also switch to check the monthly, yearly, or total yield curve. The curves shown Data Curve here are based on power. Navigation Includes "Home", "Device list", "Records", and "More". - Page 94 9 O&M on iSolarCloud App User Manual figure 9-7 Records Status Records Tap Status Records to check the fault alarm history, which is shown as follows. Select the fault you need to view and click to jump to the detailed information for that fault. figure 9-8 Status Records History Cruve Tap History Cruve to view the historical operating curves of the device at different dates.
-
Page 95: More
User Manual 9 O&M on iSolarCloud App figure 9-9 History Cruve More Tap More in the bottom navigation bar. Functions such as “Boot”, “Shutdown”, and “Modify Password” are available on this screen. -
Page 96: Boot/Shutdown
9 O&M on iSolarCloud App User Manual figure 9-10 More 9.8.1 Boot/Shutdown You can choose Boot/Shutdown, and select a device to start/stop it. The user interface is shown as follows. -
Page 97: Modify Password
User Manual 9 O&M on iSolarCloud App 9.8.2 Modify Password You can choose“More→Modify Password” to change your password. The user interface is shown as follows. -
Page 98: Troubleshooting
• Whether the MV Grid-connected PV Inverter limits the output of active power. If the problem still persists or there are any other questions, please contact SUNGROW. It would be helpful if the following information is provided during a call: •... - Page 99 In this case, do not attempt to power it off and try to restore MV Grid-con- nected PV Inverter, instead, contact SUNGROW personnel for the support. Disconnect the AC and DC side switches of MV Grid-connected PV...
- Page 100 10 Troubleshooting User Manual Fault Name Fault Cause Fault Level Corrective Method 1. Use a thermometer to check whether the current ambient temper- ature is within the temperature range advertised by MV Grid-connected PV Inverter. 2. Check whether the air inlet of MV Reactor The temperature of Grid-connected PV Inverter and in-...
- Page 101 User Manual 10 Troubleshooting Fault Name Fault Cause Fault Level Corrective Method 1. Check whether the DC side volt- age of MV Grid-connected PV Inver- ter is short-circuited, whether the Voltage exists be- input voltage exceeds the allowable tween the positive range, and whether the grid voltage and negative poles is abnormal.
- Page 102 10 Troubleshooting User Manual Fault Name Fault Cause Fault Level Corrective Method 1 Check whether the protection pa- rameters in Parameter Settings -> Protection Parameters meet the grid standards of the location where MV Grid-connected PV Inverter is installed. The grid voltage is Grid over- higher than the set Important...
- Page 103 User Manual 10 Troubleshooting Fault Name Fault Cause Fault Level Corrective Method 1 Check whether the internal and ex- ternal power supply control switches of MV Grid-connected PV Inverter are closed or disconnected at the same time. If they are closed at the same time, please disconnect one of the Control The control power...
- Page 104 10 Troubleshooting User Manual Fault Name Fault Cause Fault Level Corrective Method 1. Refer to the troubleshooting meth- od of "DC SPD fault" to conduct pre- liminary troubleshooting. 2. Check whether the micro circuit The AC side SPD breaker is connected in series with of MV Grid-con- Important AC SPD fault...
- Page 105 User Manual 10 Troubleshooting Fault Name Fault Cause Fault Level Corrective Method The output of MV Overload Grid-connected PV Refer to the troubleshooting method Important protection Inverter exceeds of "AC over-current”. the load limit. The leakage cur- 1. Check whether the AC cable is rent sampling val- damaged.
- Page 106 10 Troubleshooting User Manual Fault Name Fault Cause Fault Level Corrective Method 1 Check the DC cables. Check whether the positive ground- ing cable of each DC branch is damaged. Check whether the DC cable resist- ance to the ground is normal. Grounding A grounding fault Important...
- Page 107 The fuse on the Check whether the DC fuse is blown. DC fuse DC side of MV Secondary If so, please contact SUNGROW to anomaly Grid-connected PV replace the fuse. Inverter fails. 1. Check the insulation of AC cables.
- Page 108 Corrective Method The fuse on the Check whether the DC fuse is blown. DC side of MV Secondary DC fuse fault If so, please contact SUNGROW to Grid-connected PV replace the fuse. Inverter fails. The branch fuse of Branch fuse...
- Page 109 Fault Name Fault Cause Fault Level Corrective Method The AC switch is Please contact Important AC switch off disconnected. SUNGROW. The carrier signal transmis- Please contact Carrier sync flt Important sion is abnormal. SUNGROW. The drive board inside MV Please contact...
-
Page 110: Other Faults
If the fault is not caused by the fore- going reasons and still persists, please contact SUNGROW as soon as possible. 1. Refresh the Web page manually. 2. Restart or replace the mobile de-... - Page 111 Method”. If the fault is not caused by the fore- going reasons and still persists, please contact SUNGROW as soon as possible. 1. Export data in batches multiple The amount of data ex- Fail to export measur- times.
-
Page 112: Routine Maintenance
11 Routine Maintenance 11.1 Safety Instructions Risk of MV Grid-connected PV Inverter damage or personal injury due to incorrect service! • Disconnect the switches between the product and all power supplies before maintenance. • After the MV Grid-connected PV Inverter is powered off for 20 minutes, measure the voltage and current with measuring equipment. - Page 113 To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond those described in this manual. If necessary, contact SUNGROW for maintenance. Otherwise, the losses caused are not covered by the warranty. To prevent misuse or accidents caused by unrelated personnel, post prominent warning signs or demarcate safety warning areas around the device to prevent ac- cidents caused by misuse.
-
Page 114: Inspection After Power Off
11 Routine Maintenance User Manual 11.2 Inspection After Power Off While the product is operating, do not turn off any AC- or DC-side switches directly. Otherwise, an electrical arc may occur, which may then damage the switch or even the MV Grid-connected PV Inverter. During the installation and operation of the product, ensure the positive or nega- tive of the PV string is not short-circuited to ground. -
Page 115: Maintenance Period
User Manual 11 Routine Maintenance 11.3 Maintenance Period 11.3.1 Maintenance (Every Three Years) Item Check method • Oil thermometer: Alarm temperature and tripping temperature. • Pressure relief valve: Check whether the pressure re- lief valve is in good contact. Monitoring and protective equipment of the transformer •... -
Page 116: Maintenance (Every Two Years)
11 Routine Maintenance User Manual 11.3.2 Maintenance (Every Two Years) Item Check method Check the following items, and correct immedi- ately those failing to meet the relevant requirements: • Check whether there is any damage or deforma- tion of MV Grid-connected PV Inverter and inter- nal equipment. -
Page 117: Maintenance (Every Year)
User Manual 11 Routine Maintenance 11.3.3 Maintenance (Every Year) Item Check method Check the following items, and correct immediately those fail- ing to meet relevant requirements: • Check whether there are flammable objects on the top of MV Grid-connected PV Inverter. •... -
Page 118: Maintenance (Every Six Months To One Year)
11 Routine Maintenance User Manual Item Check method • Check the running status of fans. • Check whether the fan blade rotates smoothly. • Check whether there is abnormal noise during the operation of the fans. Screw Check whether internal screws fell off. Check the following items, and correct immediately those fail- ing to meet relevant requirements: •... -
Page 119: Common Maintenance Items
User Manual 11 Routine Maintenance Item Check method Check the temperature of the heat sink and the amount of dust accumulated. Clean heat-dissipation IGBT modules with a Air inlet and outlet vacuum cleaner if necessary. • Carry out regular inspection for corrosion of all metal components. -
Page 120: Cleaning Air Outlet Of Inverter
11 Routine Maintenance User Manual Procedure Step 1 Use a screwdriver to remove the M5 fixing screws for the first maintenance. Step 2 Pull the spring plunger at both ends of the filter at the air inlet outward and tilt the filter down- ward to remove it. -
Page 121: Cleaning Air Inlet Of Power Distribution Cabinet
User Manual 11 Routine Maintenance Step 1 Clean the air outlet between the inverter unit and transformer. Step 2 Clean the air outlets at the bottom of the AC side of the inverter units. - - End 11.4.3 Cleaning Air Inlet of Power Distribution Cabinet Step 1 Unscrew the two M5 bolts on the mesh cover for the front air inlet, then take the mesh cover down. -
Page 122: Cleaning Air Outlet Of Power Distribution Cabinet
11 Routine Maintenance User Manual If there is visible damage on the cotton filter, it needs to be replaced with a new one. 11.4.4 Cleaning Air Outlet of Power Distribution Cabinet Step 1 Pull downward the spring plunger on the air outlet at the bottom of the power distribution cabinet. -
Page 123: Appearance Repair
User Manual 11 Routine Maintenance 11.4.6 Appearance Repair Check the appearance of the product: Check the appearance of the product: Case 1: Erasable traces Case 2: Indelible traces Case 3: Broken primer • Check whether the protective paint sprayed on the casing of the product fell off or peeled off. -
Page 124: Broken Primer
11 Routine Maintenance User Manual Step 3 Perform paint repair for the scratched parts with a soft brush after the surface is dried; brush the paint as uniform as possible. - - End 11.4.6.3 Broken Primer Tools Name Source Abrasive paper Cleaning cloth Water Beyond the scope of supply... -
Page 125: Checking Door Locks And Hinges
User Manual 11 Routine Maintenance Step 4 Perform paint repair for the damaged parts with a soft brush after the primer is dried, and brush the paint uniformly. - - End 11.4.7 Checking Door Locks and Hinges Check if the door locks and hinges of MV Grid-connected PV Inverter can be used normally after cleaning. -
Page 126: Replacing Fans
11 Routine Maintenance User Manual Step 6 Identify the faulty fuse, use a socket wrench to unscrew the fastening bolt of the fuse to be re- placed, and remove the faulty fuse. Step 7 Secure the new fuse with M10×30 * bolts with a tightening torque of 34 - 40 N.m. - - End * When the DC input of the inverter unit is equipped with MPLC, the bolts specifications used are M8×30 and M10×30. -
Page 127: Appendix
12 Appendix 12.1 Technical Parameters SG1100UD-MV SG1100UD-MV Model Input (DC) Max. PV input voltage 1500 V Min. PV input voltage / Start-up input voltage 895 V / 905 V MPP voltage range 895 – 1500 V No. of independent MPP inputs 5 (optional: 7 ) No. - Page 128 12 Appendix User Manual SG1100UD-MV Model Mineral oil (PCB free) Oil type Protection & Function DC Input Protection DC load switch + fuse AC circuit breaker Inverter Output Protection AC MV Output Protection MV load switch + fuse DC Type II / AC Type II...
- Page 129 User Manual 12 Appendix SG3300UD-MV SG4400UD-MV Model No. of independent MPP inputs 15 (optional: 21 ) 20(optional: 28 ) No. of DC inputs Max. PV input current 3 * 1435 A 4 * 1435 A 4 * 3528 A 3 * 3528 A Max.
- Page 130 12 Appendix User Manual SG3300UD-MV SG4400UD-MV Model Grid Monitoring / Ground Fault Yes / Yes Monitoring Insulation Monitoring Overheat Protection Optional Q at night function General Data Dimensions (WxHxD)* 6058*2896*2438 mm Weight * 17.5 T 20 T Degree of Protection Inverter: IP65 / Others: IP54 15 kVA (optional: max.
- Page 131 User Manual 12 Appendix SG4400UD-MV-20 Model 4 * 3528 A Max. DC short-circuit current Negative grounding or floating PV Array Configuration Output (AC) 4400 kVA @ 51℃, 5280 kVA @ 23 ℃ AC output power Max. inverter output current 4 * 1155 A 305 A Max.
-
Page 132: Tightening Torques
**Secure the cable at a proper point to reduce the stress on the cable lug. 12.3 Quality Assurance When product faults occur during the warranty period, SUNGROW will provide free service or replace the product with a new one. Evidence During the warranty period, the customer shall provide the product purchase invoice and date. -
Page 133: Contact Information
• The customer shall give SUNGROW a reasonable period to repair the faulty device. Exclusion of Liability In the following circumstances, SUNGROW has the right to refuse to honor the quality guarantee: • The free warranty period for the whole machine/components has expired. - Page 134 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...
Need help?
Do you have a question about the SG1100UD-MV and is the answer not in the manual?
Questions and answers