Photovoltaic Grid-Connected Inverter SG40KTL
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- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 unit
- Supply Capability:
- 10000 unit/month
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1. Structure of Photovoltaic Grid-Connected Inverter SG40KTL 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 SG40KTL
• Full 36kW effective power at power factor of 0.9 due to apparent power reserves up to 39.8kVA
• Max. Efficiency at 98.3%
• Dual MPP trackers control
• Reduced cabling on AC side due to higher output voltage of 480Vac
• Integrated combiner box: 8 x MC4 connector pairs with DC string fuses, Type II overvoltage protection and DC switch, more safety and lower the system cost
• Can be wall-mounted without lifting equipment, weight 65 kg
• Active power continuously adjustable (0~100%)
• Reactive power control with power factor 0.8 overexcited ~ 0.8 underexcited
• Includes RS-485 interface, compatible with all common monitoring systems
• Product certification: TÜV, BDEW and CGC
• Manufacturer certification: ISO 9001, ISO 14001, OHSAS 18000
3. Photovoltaic Grid-Connected Inverter SG40KTL Images
4. Photovoltaic Grid-Connected Inverter SG40KTL Specification
Input Side Data | |
Max. PV input power | 40500W |
Max. PV input voltage | 1000V |
Startup voltage | 300V |
Nominal input voltage | 710V |
MPP voltage range | 280~950V |
MPP voltage range for nominal power | 560~800V |
No. of MPPTs | 2 |
Max. number of PV strings per MPPT | 4 |
Max. PV input current | 66A(33A/33A) |
Max. current for input connector | 12A |
Output Side Data | |
Nominal AC output power | 36000W |
Max AC output power(PF=1) | 39800W |
Max. AC output apparent power | 39800VA |
Max. AC output current | 48A |
Nominal AC voltage | 3/N/PE, 277/480Vac or 3/PE, 480Vac |
AC voltage range | 422~528Vac |
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 | 98.30% |
Max. European efficiency | 98.00% |
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 | Smart forced air cooling |
Max. operating altitude | 4000m (>3000m derating) |
Display | Graphic LCD |
Communication | RS485(RJ45 connector) |
DC connection type | MC4 |
AC connection type | Screw Clamp terminal |
Certification | VDE0126-1-1, EN62109-1, EN62109-2,BDEW, |
CGC, NRS 097-2-1, GB/T 19964, UTE C15-712-1 | |
IEC 61683, IEC 60068-2, IEC61727, IEC62116, | |
IEC62109-1, IEC62109-2, EN50178, IEC62103, | |
EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4 | |
Mechanical Data | |
Dimensions(W×H×D) | 634×820×257mm |
Mounting method | Wall bracket |
Weight | 65kg |
5. FAQ of Photovoltaic Grid-Connected Inverter SG40KTL
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:Photovoltaic grid-connected inverter without DC emc how will happen
- by means of energy converters can be converted into electrical energy. The process of converting light energy directly into electrical energy is precisely the response to photovoltaic effects. Without the need for any other mechanical parts, the energy in
- Q:How do you size a solar inverter for a solar power system?
- To size a solar inverter for a solar power system, you need to consider the maximum power output of the solar panels and the total load you want to power. The inverter's capacity should be equal to or greater than the total power output of the solar panels to ensure efficient energy conversion. Additionally, you should also consider the voltage and current requirements of the load to ensure compatibility with the inverter. It is recommended to consult with a professional or use online sizing tools to accurately determine the appropriate inverter size for your specific solar power system.
- Q:Does a solar inverter require any additional cooling or ventilation?
- Yes, a solar inverter typically requires additional cooling or ventilation. This is because the inverter converts the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power household appliances. During this conversion process, the inverter generates heat, and to maintain optimal performance and prevent overheating, it requires proper cooling or ventilation mechanisms.
- Q:How do you choose the right voltage rating for a solar inverter?
- When choosing the right voltage rating for a solar inverter, it is important to consider a few factors. Firstly, you should check the voltage rating of your solar panels to ensure compatibility with the inverter. Secondly, consider your system's voltage requirements, including the voltage of your battery bank or grid connection. Lastly, take into account the distance between your inverter and the solar panels, as voltage drop can occur over long distances. By considering these factors, you can select a solar inverter with the appropriate voltage rating for optimal performance and efficiency.
- Q:What is the role of a solar inverter in grid management and stability?
- Solar inverters have a crucial role to play in the management and stability of the electrical grid when it comes to integrating solar power. They are responsible for converting the direct current electricity produced by solar panels into alternating current electricity that can be used by homes and businesses or fed back into the grid. When it comes to managing the grid, solar inverters are vital for maintaining its stability and reliability. They perform important functions such as voltage regulation, frequency control, and compensating for reactive power. By monitoring the grid conditions and adjusting the solar power output accordingly, inverters help to balance the supply and demand of electricity in real-time, ensuring grid stability. In addition to grid management, solar inverters also contribute to grid stability by improving the quality of power. They actively filter out harmonics, voltage fluctuations, and other electrical disturbances that can be caused by the intermittent nature of solar power generation. This ensures that the electricity generated by solar panels is of high quality and does not introduce any disruptions or damage to the electrical grid. Furthermore, solar inverters enable the seamless integration of solar power into the grid by allowing excess energy to be fed back into the system. This is known as net metering or feed-in tariff programs, which provide compensation for solar energy producers for the surplus electricity they produce. With the help of inverters, the generated solar energy can be efficiently transferred to the grid, reducing the reliance on traditional fossil fuel-based power generation and promoting renewable energy integration. In summary, the role of a solar inverter in grid management and stability is to ensure the smooth integration and optimal utilization of solar power while maintaining the stability, reliability, and quality of the electrical grid. It acts as a bridge between solar energy producers and the grid, facilitating the efficient and sustainable integration of renewable energy sources into the existing power infrastructure.
- Q:Can a solar inverter be connected to a home automation system?
- Yes, a solar inverter can be connected to a home automation system. This integration allows for better control and monitoring of the solar energy production and enables homeowners to optimize their energy usage based on real-time data.
- Q:How does a solar inverter handle reverse power flow?
- A solar inverter handles reverse power flow by automatically detecting the excess power generated by the solar panels and diverting it to the utility grid. This process, known as anti-islanding, ensures a safe and efficient operation of the solar system by preventing overloading and potential damage to the inverter.
- Q:Are solar inverters weather-resistant?
- Yes, solar inverters are designed to be weather-resistant. They are typically built with durable materials and sealed enclosures to protect them from various weather conditions such as rain, snow, and extreme temperatures. However, it is always recommended to consult the manufacturer's specifications and guidelines to ensure proper installation and maintenance for optimal performance and longevity.
- Q:How does a solar inverter handle voltage fluctuations?
- A solar inverter handles voltage fluctuations by continuously monitoring the input voltage from the solar panels. When there is a fluctuation in the input voltage, the inverter adjusts its internal circuitry to ensure a stable and consistent output voltage. This helps protect the connected appliances and grid from potential damage caused by sudden voltage changes.
- Q:Can a solar inverter be used in a solar-powered electric vehicle charging station?
- Yes, a solar inverter can be used in a solar-powered electric vehicle charging station. A solar inverter is responsible for converting the Direct Current (DC) generated by solar panels into Alternating Current (AC) that can be used to charge electric vehicles. Therefore, it is an essential component in a solar-powered EV charging station, allowing the electricity generated from solar panels to be compatible with the charging needs of electric vehicles.
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Photovoltaic Grid-Connected Inverter SG40KTL
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 unit
- Supply Capability:
- 10000 unit/month
OKorder Service Pledge
OKorder Financial Service
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