Sma Solar Inverter Photovoltaic Grid-Connected Inverter SG4KTL-S
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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 do you choose the right size of solar inverter for a solar power system?
- To choose the right size of solar inverter for a solar power system, you need to consider two main factors: the total power output of your solar panels and the maximum power consumption of your household or facility. First, calculate the total wattage of your solar panels by summing up the individual panel ratings. Then, assess your power consumption by considering the peak load requirements or the average daily consumption. Match the inverter's capacity to the higher value among these two factors to ensure efficient energy conversion. It is also recommended to consult with a professional solar installer to ensure the correct sizing of the inverter based on your specific needs.
- Q: Can a solar inverter be used in standalone power systems?
- Yes, a solar inverter can be used in standalone power systems. Standalone power systems, also known as off-grid systems, are not connected to the traditional electrical grid. In such systems, solar inverters convert the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power various electrical devices and appliances. The solar inverter is an essential component in standalone power systems as it enables the efficient utilization of solar energy for off-grid applications.
- Q: Can a solar inverter be integrated with energy management systems?
- Yes, a solar inverter can be integrated with energy management systems. In fact, many modern solar inverters are designed to be compatible with energy management systems, allowing for better monitoring, control, and optimization of the energy generated by the solar panels. This integration enables users to track their energy production, consumption, and storage, and make informed decisions on energy usage to maximize efficiency and cost savings.
- Q: Can a solar inverter be used with different types of solar charge controllers?
- Yes, a solar inverter can be used with different types of solar charge controllers as long as they are compatible with each other. However, it is important to ensure that the voltage and current ratings of the inverter and charge controller are compatible to avoid any damage to the system.
- Q: How does a solar inverter handle voltage drop in long cable runs?
- A solar inverter handles voltage drop in long cable runs by compensating for the drop in voltage through a process called voltage regulation. It adjusts the output voltage to ensure that the required voltage level is maintained at the point of connection to the solar panels. This allows for efficient power transmission and ensures that the system operates optimally despite the voltage drop caused by long cable runs.
- Q: Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
- In addition to the function of converting DC current into alternating current, the inverter also has the maximum output tracking function (MPPT), overvoltage protection, short circuit protection, island protection, overheat protection, overload protection and DC grounding
- Q: Can a solar inverter be used in areas with high levels of lightning activity?
- Yes, a solar inverter can be used in areas with high levels of lightning activity. However, it is important to ensure that the inverter is designed to withstand lightning strikes and has appropriate surge protection measures in place to prevent damage. Additionally, proper grounding and installation by a qualified professional are crucial to mitigate any potential risks associated with lightning strikes.
- Q: Can a solar inverter be used with solar-powered remote sensing systems?
- Yes, a solar inverter can be used with solar-powered remote sensing systems. A solar inverter is an essential component of a solar power system that converts the direct current (DC) produced by solar panels into alternating current (AC) electricity, which can be used to power various devices and systems. This includes remote sensing systems, which rely on solar power to operate in remote or off-grid locations. The solar inverter ensures that the electricity generated by the solar panels is compatible with and can power the remote sensing system effectively.
- Q: How does a solar inverter handle voltage dips or surges in the grid?
- A solar inverter handles voltage dips or surges in the grid by incorporating various protective mechanisms. During a voltage dip, the inverter's control system detects the change and adjusts its power output accordingly to maintain a stable voltage and frequency. It may also utilize energy storage systems to compensate for the temporary drop in grid voltage. In the case of voltage surges, the inverter employs surge protection devices to prevent damage to the system. Additionally, advanced inverters may have built-in voltage regulation capabilities to stabilize the output voltage even during significant fluctuations in the grid.
- Q: What is the maximum input voltage that a solar inverter can handle?
- The maximum input voltage that a solar inverter can handle varies depending on the specific model and manufacturer. However, in general, most solar inverters can handle input voltages in the range of 150 to 600 volts DC.
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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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