Sma Solar Inverter Photovoltaic Grid-Connected Inverter SG4KTL-S
- Ref Price:
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- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50000 unit
- Supply Capability:
- 3000000 unit/month
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1. Structure of Photovoltaic Grid-Connected Inverter SG4KTL-S Description
A solar inverter, or PV inverter, or Solar converter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into
autility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network.
It is acritical BOS–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar inverters have
special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection.
Suitable for 50Hz/60Hz grid, could be used in Asia, Africa and Europe. Available for hand installation, no need for lifting machinery
assistance.
2. Main Features of the Photovoltaic Grid-Connected Inverter SG4KTL-S
• Max. input voltage 600V, compatible with different PV panel and string design
• Only 9kg, easy for handling and installation
• Max. Efficiency at 98.0%
• Ultra-quiet, suitable for residential use
• Access to home WiFi system, easy to enjoy the online monitoring
• Wireless communication design, intelligent mobile phone local and remote monitoring
• Product certification: TÜV, CE, AS4777, AS/NZS 3100, VDE AR N 4105
• Manufacturer certification: ISO 9001, ISO 14001, OHSAS 18000
3. Photovoltaic Grid-Connected Inverter SG4KTL-S Images
4. Photovoltaic Grid-Connected Inverter SG4KTL-S Specification
Input Side Data | |
| Max. PV input power | 4300W |
| Max. PV input voltage | 600V |
| Startup voltage | 150V |
| Nominal input voltage | 345V |
| MPP voltage range | 125~560V |
| MPP voltage range for nominal power | 240~520V |
| No. of MPPTs | 1 |
| Max. number of PV strings per MPPT | 2 |
| Max. PV input current | 18A |
| Max. current for input connector | 20A |
| Output Side Data | |
| Nominal AC output power | 4000W |
| Max AC output power（PF=1） | 4210W |
| Max. AC output apparent power | 4210VA |
| Max. AC output current | 18.3A |
| Nominal AC voltage | 230Vac (Single phase) |
| AC voltage range | 180~276Vac (May vary as per corresponding country’s grid standard) |
| Nominal grid frequency | 50Hz/60Hz |
| Grid frequency range | 45～55Hz/55～65Hz (May vary as per corresponding country’s grid standard) |
| THD | < 3 % (Nominal power) |
| DC current injection | <0.5 %In |
| Power factor | >0.99@default value at nominal power, (adj. 0.8 overexited~0.8 underexcited) |
| Protection | |
| Anti-islanding protection | YES |
| LVRT | NO |
| DC reverse connection protection | YES |
| AC short circuit protection | YES |
| Leakage current protection | YES |
| DC switch | Optional |
| DC fuse | NO |
| Overvoltage protection | Varistors |
| System Data | |
| Max. efficiency | 98.00% |
| Max. European efficiency | 97.50% |
| Isolation method | Transformerless |
| Ingress protection rating | IP65 |
| Night power consumption | <1W |
| Operating ambient temperature range | -25~60℃ (>45℃ derating) |
| Allowable relative humidity range | 0~100% |
| Cooling method | Natural cooling |
| Max. operating altitude | 4000m (＞2000m derating) |
| Display | LED, LCD(optional) |
| Communication | WiFi (optional) |
| DC connection type | MC4 |
| AC connection type | Plug and play connector |
| Certification | IEC61000-6-2,IEC61000-6-3, |
| AS/NZS3100,AS4777.2,AS4777.3 | |
| VDE-AR-N-4105, VDE0126-1-1,CE,G83/2，C10/11,EN50438,CGC | |
| Mechanical Data | |
| Dimensions（W×H×D） | 300*370*125 mm |
| Mounting method | Wall bracket |
| Weight | 9kg |
5. FAQ of Photovoltaic Grid-Connected Inverter SG4KTL-S
Q1:Which payment terms can you accept?
A1:T/T,L/C,Moneygram,Paypal are available for us.
Q2:Can we visit your factory?
A2:Sure,welcome at any time,seeing is believing.
- Q: How does a solar inverter handle overloading?
- A solar inverter handles overloading by constantly monitoring the power output from the solar panels and the load demand. If the load demand exceeds the maximum capacity of the inverter, it will automatically reduce the power output or shut down to prevent any damage or overheating. This ensures the safety and optimal performance of the inverter and the connected devices.
- Q: Can a solar inverter be used with solar-powered desalination systems?
- Yes, a solar inverter can be used with solar-powered desalination systems. A solar inverter is essential in converting the direct current (DC) power generated by solar panels into alternating current (AC) power that can be used to operate the desalination system. This allows for the efficient utilization of solar energy for powering the desalination process.
- Q: How do you connect solar panels to a solar inverter?
- To connect solar panels to a solar inverter, you need to follow a few steps. First, ensure that both the solar panels and the inverter are turned off. Then, connect the positive terminal of the solar panel to the positive terminal of the inverter using a DC cable. Similarly, connect the negative terminal of the solar panel to the negative terminal of the inverter. Make sure the connections are secure and tight. Finally, turn on the solar panels and the inverter, and you should have a successful connection between the two.
- Q: Can a solar inverter be used with a solar air conditioning system?
- Yes, a solar inverter can be used with a solar air conditioning system. A solar inverter is responsible for converting the direct current (DC) electricity produced by solar panels into alternating current (AC) electricity that can be used to power household appliances, including air conditioning systems. By connecting a solar inverter to a solar air conditioning system, the energy generated by the solar panels can be efficiently utilized to cool the environment. This not only maximizes the use of renewable energy but also helps in reducing electricity costs and minimizing the carbon footprint.
- Q: What is the role of a solar inverter in a community solar project?
- The role of a solar inverter in a community solar project is to convert the direct current (DC) electricity generated by the solar panels into alternating current (AC) electricity that can be used to power homes and businesses. It also ensures that the electricity is synchronized with the utility grid and optimizes the efficiency of the solar power system.
- Q: Can a solar inverter be used for three-phase power systems?
- Yes, a solar inverter can be used for three-phase power systems. Three-phase solar inverters are specifically designed to convert the DC power generated by solar panels into AC power for three-phase electrical systems. These inverters are capable of handling higher power loads and are commonly used in commercial and industrial settings where three-phase power is required.
- Q: What is the lifespan of the warranty on a solar inverter?
- The lifespan of a warranty on a solar inverter can vary depending on the manufacturer and model. Generally, most warranties for solar inverters range from 5 to 10 years.
- Q: What is the role of voltage support in a solar inverter?
- The role of voltage support in a solar inverter is to regulate and stabilize the voltage levels within the solar power system. It ensures that the voltage output from the solar panels matches the voltage requirements of the connected devices or the grid. By maintaining a consistent voltage, it helps to prevent overvoltage or undervoltage situations, which could damage the equipment or disrupt the power supply. Voltage support also helps to enhance the overall efficiency and reliability of the solar power system.
- Q: What is the role of an anti-islanding feature in a solar inverter?
- The role of an anti-islanding feature in a solar inverter is to ensure the safety of utility workers and prevent damage to the electrical grid. It detects when there is a power outage or grid disturbance and immediately shuts off the solar inverter to prevent it from continuing to generate electricity. This feature is crucial as it prevents the solar system from operating independently and feeding power back into the grid, which can be dangerous for utility workers trying to repair the power outage.
- Q: What is the role of a solar inverter in a grid-independent system?
- The role of a solar inverter in a grid-independent system is to convert the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power electrical appliances in a home or building. It also manages the flow of electricity between the solar panels, battery storage (if present), and the electrical grid, ensuring efficient utilization of solar energy and enabling the system to operate independently from the grid.
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Sma Solar Inverter Photovoltaic Grid-Connected Inverter SG4KTL-S
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50000 unit
- Supply Capability:
- 3000000 unit/month
OKorder Service Pledge
OKorder Financial Service
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