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:What is the function of a solar inverter in a solar power system?
- The function of a solar inverter in a solar power system is to convert the direct current (DC) produced by the solar panels into alternating current (AC), which is the type of electricity used in most homes and businesses. This allows the solar energy to be utilized for powering electrical appliances, feeding excess energy back into the grid, or storing it in batteries for later use.
- Q:What is the maximum efficiency of a solar inverter?
- The maximum efficiency of a solar inverter typically ranges between 95% to 98%.
- Q:Can a solar inverter be used in regions with high levels of dust or debris?
- Yes, solar inverters can be used in regions with high levels of dust or debris. However, it is important to regularly clean and maintain the solar panels and inverters to ensure optimal performance and prevent any potential damage caused by the accumulation of dust or debris.
- Q:What is the difference between an on-grid and off-grid solar inverter?
- The main difference between an on-grid and off-grid solar inverter lies in their functionality and purpose. An on-grid solar inverter is designed to convert the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that can be fed into the electrical grid. This type of inverter is used in grid-tied solar systems, where excess energy can be sold back to the utility company, allowing homeowners to benefit financially. On the other hand, an off-grid solar inverter is used in standalone solar systems that are not connected to the electrical grid. It is responsible for converting the DC electricity produced by solar panels into AC electricity suitable for powering off-grid appliances and storing energy in batteries. Off-grid inverters often include additional features like battery charging and management to ensure reliable power supply in the absence of grid connection. In summary, while both on-grid and off-grid solar inverters convert DC to AC electricity, their purposes differ significantly. On-grid inverters enable homeowners to utilize the grid as a power storage and distribution system, while off-grid inverters are essential for self-sustaining solar systems that operate independently of the grid.
- Q:Is the grid side of the grid and the inverter?
- Off-grid system power transmission sequence: photovoltaic panels> relays> inverters> relays> electricity load;
- Q:Can a solar inverter be used with a solar-powered air conditioning system?
- Yes, a solar inverter can be used with a solar-powered air conditioning system. The solar inverter converts the direct current (DC) electricity generated by the solar panels into alternating current (AC) electricity, which is used to power the air conditioning system. This allows the air conditioning system to run efficiently and effectively using solar energy.
- Q:What is the role of a remote monitoring system in a solar inverter?
- The role of a remote monitoring system in a solar inverter is to allow for real-time monitoring and management of the solar power generation and inverter performance from a remote location. It provides valuable insights into the system's efficiency, troubleshooting capabilities, and helps ensure optimal performance and timely maintenance. Additionally, a remote monitoring system allows for data analysis, performance tracking, and can facilitate predictive maintenance to maximize the overall efficiency and longevity of the solar inverter system.
- Q:Can a solar inverter be used in areas with unstable grid connections?
- Yes, a solar inverter can be used in areas with unstable grid connections. Solar inverters are designed to handle fluctuations and interruptions in the grid power supply. They typically have built-in features such as anti-islanding protection and grid support functionalities that ensure safe operation even in areas with unreliable grid connections. These inverters can switch seamlessly between grid power and solar power, providing a consistent power supply to the connected loads in such areas.
- Q:Can a solar inverter be used with different types of batteries?
- No, a solar inverter cannot be used with different types of batteries. The compatibility of a solar inverter depends on the specific battery chemistry it is designed to work with. Using an incompatible battery type can lead to inefficient energy conversion and potential damage to both the inverter and the batteries. It is essential to ensure that the solar inverter is compatible with the specific battery type before installation.
- Q:What is the lifespan of the capacitors in a solar inverter?
- The lifespan of capacitors in a solar inverter can vary depending on several factors such as the quality of the capacitors used, operating conditions, and maintenance. However, on average, capacitors in a solar inverter can have a lifespan of around 10 to 15 years.
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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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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