Solar Inverter Panel Photovoltaic Grid-Connected Inverter SG50KTL-M
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- Min Order Qty:
- 500000 unit
- Supply Capability:
- 3000000 unit/month
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1. Structure of Photovoltaic Grid-Connected Inverter SG50KTL-M 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 SG50KTL-M
• High flexibility for complex configurations due to 4 MPP trackers and a wide input voltage range
• High yields due to efficiency up to 98.9% and EU efficiency of 98.5%
• Output power up to 55kVA / 55kW(SG50KTL-M) and 66kVA / 66kW(SG60KTL-M) at power factor of 1
• Integrated combiner box: 12 x MC4 connector pairs with DC string fuses, Type II overvoltage protection and DC switch, more safety and lower the system cost
• Active power continuously adjustable (0~100%)
• Fulfill a variety of reactive power adjustment requirments with power factor 0.8overexited ~0.8 underexited
• Integrated LVRT and HVRT function
• Includes RS-485 interface, compatible with all common monitoring systems
• Product certification: TÜV, CE, G59/3, BDEW, CGC and GB-T19964
• Manufacturer certification: ISO 9001, ISO 14001, OHSAS 18000
3. Photovoltaic Grid-Connected Inverter SG40KTL Images
4. Photovoltaic Grid-Connected Inverter SG50KTL-M Specification
Side Data | |
Max. PV input power | 56200W |
Max. PV input voltage | 1000V |
Startup voltage | 300V |
Nominal input voltage | 590V |
MPP voltage range | 300~950V |
MPP voltage range for nominal power | 500~850V |
No. of MPPTs | 4 |
Max. number of PV strings per MPPT | 3 |
Max. PV input current | 104A(26A/26A/26A/26A) |
Max. current for input connector | 12A |
Output Side Data | |
Nominal AC output power | 50000W |
Max AC output power（PF=1） | 55000W |
Max. AC output apparent power | 55000VA |
Max. AC output current | 80A |
Nominal AC voltage | 3/N/PE, 230/400Vac |
AC voltage range | 310~480Vac |
Nominal grid frequency | 50Hz/60Hz |
Grid frequency range | 45~55Hz /55~ 65Hz |
THD | < 3 % (Nominal power) |
DC current injection | <0.5 %In |
Power factor | >0.99@default value at nominal power |
(adj. 0.8overexcited ~0.8underexited) | |
Protection | |
Anti-islanding protection | Yes |
LVRT | Yes |
DC reverse connection protection | Yes |
AC short circuit protection | Yes |
Leakage current protection | Yes |
DC switch | Yes |
DC fuse | Yes |
Overvoltage protection | DC Type II DIN rail surge arrester(40kA) |
System Data | |
Max. efficiency | 98.90% |
Max. European efficiency | 98.50% |
Isolation method | Transformerless |
Ingress protection rating | IP65 |
Night power consumption | <1W |
Operating ambient temperature range | -25~60℃(>50℃ derating) |
Allowable relative humidity range | 0~100% |
Cooling method | Smart forced air cooling |
Max. operating altitude | 4000m (＞3000m derating) |
Display | Graphic LCD |
Communication | RS485 |
DC connection type | MC4 |
AC connection type | Screw Clamp terminal |
Certification | VDE0126-1-1,EN62109-1,EN62109-2,G59/3, |
BDEW,GB/T 19964, GB/T 29319 | |
Mechanical Data | |
Dimensions（W×H×D） | 665 * 906 * 256 mm |
Mounting method | Wall bracket |
Weight | 70kg |
5. FAQ of Photovoltaic Grid-Connected Inverter SG50KTL-M
Q1. What is the difference between inverter and solar inverter?
A1. Inverter only has AC inpput, but solar inverter both connect to AC input and solar panel, it saves more power.
Q2. What is the difference between MPPT&PWM?
A2. MPPT has higher efficiency, it can track the max power point and won't waste energy.
- Q: How does shading impact the performance of a solar inverter?
- Shading can significantly affect the performance of a solar inverter. When certain parts of a solar panel are shaded, the overall power output of the system decreases. This is because shaded cells create resistive losses, reducing the current flow and overall efficiency of the inverter. Additionally, shading can cause a phenomenon known as the "partial shading effect," where the entire string of panels is affected even if only a small portion is shaded. To mitigate these issues, technologies like bypass diodes are used in solar panels to minimize the impact of shading and ensure optimal performance of the inverter.
- Q: What is the typical installation process for a solar inverter?
- The typical installation process for a solar inverter involves several steps. First, a suitable location for the inverter is identified, usually near the solar panels. The inverter is then mounted securely on a wall or other structure. Next, the DC wiring from the solar panels is connected to the input terminals of the inverter, ensuring proper polarity. The AC output terminals of the inverter are then connected to the electrical panel of the building, often through a dedicated circuit breaker. Finally, the inverter is connected to the monitoring system to track its performance and ensure optimal energy production. It is important to follow the manufacturer's instructions and consult a professional electrician to ensure a safe and efficient installation.
- Q: Can a solar inverter be used in a three-phase power system?
- Yes, a solar inverter can be used in a three-phase power system. In fact, three-phase solar inverters are commonly used in commercial and industrial applications where three-phase power is utilized. These inverters convert the DC power generated by solar panels into AC power that can be seamlessly integrated into the three-phase power grid.
- Q: Can a solar inverter be used in harsh environmental conditions?
- Yes, solar inverters are designed to withstand harsh environmental conditions such as extreme temperatures, high humidity, and exposure to dust, dirt, and corrosive elements. They are built with robust materials and undergo rigorous testing to ensure their durability and reliability in challenging environments. Additionally, some solar inverters come with IP65 or higher ratings, indicating their resistance to water and dust ingress, making them suitable for installation in outdoor and harsh conditions.
- Q: What are the advantages of using a three-phase solar inverter?
- There are several advantages of using a three-phase solar inverter. Firstly, it allows for a more balanced distribution of power between the three phases, resulting in a more efficient use of electricity. This can lead to increased energy production and savings. Additionally, three-phase solar inverters provide a higher power output compared to single-phase inverters, making them suitable for larger installations. They also offer enhanced voltage stability and improved grid integration, ensuring a reliable and stable power supply. Overall, the use of a three-phase solar inverter can optimize energy generation, improve system performance, and provide greater flexibility for solar installations.
- Q: Can a solar inverter be used with concentrated photovoltaic thermal systems?
- Yes, a solar inverter can be used with concentrated photovoltaic thermal (CPVT) systems. CPVT systems combine concentrated solar thermal technology with photovoltaic cells to generate both electricity and heat. The solar inverter converts the direct current (DC) produced by the photovoltaic cells into alternating current (AC) that can be used to power electrical devices or be fed into the grid. Therefore, a solar inverter is an essential component in the integration of CPVT systems with the electrical grid or for utilization in standalone applications.
- Q: How does a solar inverter handle voltage harmonics?
- A solar inverter handles voltage harmonics by incorporating filters and control algorithms that mitigate harmonics and ensure a smooth and stable output voltage.
- Q: How do I monitor the performance of a solar inverter?
- To monitor the performance of a solar inverter, you can follow these steps: 1. Install monitoring software: Many solar inverters come with monitoring software that allows you to track their performance. Install the software on a computer or mobile device for easy access. 2. Connect to the inverter: Use the provided cables or wireless connectivity options to establish a connection between the inverter and your monitoring system. Ensure that the connection is secure and stable. 3. Set up the monitoring system: Follow the instructions provided by the manufacturer to set up the monitoring system. This usually involves creating an account, connecting the inverter to your account, and configuring the monitoring settings. 4. Access the monitoring portal: Once your monitoring system is set up, access the manufacturer's monitoring portal either through a web browser or mobile app. Log in to your account using the credentials created during the setup process. 5. Monitor key performance parameters: Within the monitoring portal, you will find various performance parameters such as real-time power output, energy production, and conversion efficiency. Monitor these parameters to assess the overall performance of your solar inverter. 6. Analyze historical data: Most monitoring systems allow you to access historical data, which can help you identify trends and patterns in the inverter's performance over time. Analyze this data to spot any potential issues or variations in performance. 7. Set up alerts: Configure the monitoring system to send you alerts or notifications in case of any abnormalities or underperformance. This will help you address any issues promptly and ensure optimal performance of your solar inverter. Remember to consult the specific user manual or documentation provided by the manufacturer of your solar inverter for detailed instructions on monitoring its performance.
- Q: How does the temperature affect the performance of a solar inverter?
- The temperature affects the performance of a solar inverter by influencing its efficiency and power output. Higher temperatures can cause the inverter to operate less efficiently, resulting in a decrease in its overall performance. This is because the semiconductor components in the inverter may experience increased resistance, leading to more power losses and reduced conversion efficiency. Additionally, excessive heat can also lead to thermal stress and component degradation, potentially impacting the long-term reliability and lifespan of the inverter.
- Q: What are the key factors affecting the compatibility of a solar inverter with other system components?
- The key factors affecting the compatibility of a solar inverter with other system components include the voltage and frequency requirements, the type of PV modules used, the communication protocols supported, the maximum power output capacity, the efficiency and reliability of the inverter, and the overall system design and configuration.
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Solar Inverter Panel Photovoltaic Grid-Connected Inverter SG50KTL-M
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 500000 unit
- Supply Capability:
- 3000000 unit/month
OKorder Service Pledge
OKorder Financial Service
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