Photovoltaic Grid-Connected Inverter SG50KTL-M
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- 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:What is the role of a solar inverter in preventing underperformance?
- The role of a solar inverter in preventing underperformance is to convert the direct current (DC) produced by solar panels into alternating current (AC) that can be used by electrical appliances. By efficiently converting and optimizing the power output from the solar panels, the inverter ensures that the system operates at its maximum capacity, minimizing any potential underperformance issues due to factors such as shading, temperature fluctuations, or system faults. Additionally, advanced inverters can monitor and analyze the performance of the solar system, detecting any abnormalities or inefficiencies that may lead to underperformance and allowing for timely troubleshooting and maintenance.
- Q:Can a solar inverter be used with a solar-powered electric fence system?
- Yes, a solar inverter can be used with a solar-powered electric fence system. The solar inverter is responsible for converting the direct current (DC) generated by the solar panels into alternating current (AC) to power the electric fence system. This allows the solar panels to efficiently charge the battery and power the electric fence, providing a renewable and sustainable energy solution.
- Q:How does a solar inverter communicate with other system components?
- A solar inverter communicates with other system components through wired or wireless connections. It exchanges data and instructions with solar panels, batteries, smart meters, and monitoring systems using protocols such as Modbus, CAN bus, or Wi-Fi. This communication enables real-time monitoring, power optimization, grid interaction, and system management for efficient and effective solar energy utilization.
- Q:Can a solar inverter be used with a solar water heating system?
- No, a solar inverter cannot be directly used with a solar water heating system. A solar inverter is specifically designed to convert the direct current (DC) electricity generated by solar panels into alternating current (AC) that can be used to power household appliances or fed into the grid. On the other hand, a solar water heating system utilizes the sun's energy to heat water directly, without the need for an electrical conversion process. Therefore, they are two distinct technologies with different purposes and cannot be directly combined.
- Q:What is the role of a maximum power point tracker (MPPT) in a solar inverter?
- The role of a maximum power point tracker (MPPT) in a solar inverter is to optimize the energy output of the solar panels by continuously adjusting the operating point to the maximum power point (MPP). It ensures that the solar panels are operating at their highest efficiency, maximizing the conversion of sunlight into usable electrical energy. This helps to extract the maximum power from the solar panels under varying environmental conditions such as shading, temperature changes, and fluctuating solar irradiance, ultimately improving the overall performance and energy yield of the solar inverter system.
- Q:Can a solar inverter be used with a solar-powered vehicle?
- Yes, a solar inverter can be used with a solar-powered vehicle. A solar inverter is used to convert the direct current (DC) produced by solar panels into alternating current (AC) that can be used to power various electrical components of a vehicle. In a solar-powered vehicle, the solar panels generate DC electricity, which is then converted by the solar inverter into AC electricity to charge the vehicle's battery or power its electrical systems.
- Q:What is the maximum number of solar panels that a solar inverter can support?
- The maximum number of solar panels that a solar inverter can support depends on the capacity and specifications of the specific inverter model. There is no universal limit, as different inverters have different capabilities, but typically, a solar inverter can support anywhere from a few panels to several hundred panels. It is important to consult the manufacturer's guidelines and technical specifications to determine the maximum number of panels that a particular solar inverter can handle.
- Q:Are there any government incentives for installing a solar inverter?
- Yes, there are government incentives available for installing a solar inverter. Many countries offer tax credits, grants, or subsidies to promote the use of renewable energy sources like solar power. These incentives aim to encourage homeowners and businesses to adopt solar energy systems, including solar inverters, by offsetting the initial installation costs and promoting sustainability. It is advisable to check with local authorities or consult renewable energy organizations to understand the specific incentives available in your region.
- Q:PV grid-connected inverter and independent inverter in the control of what is the difference
- The independent inverter in the output voltage phase amplitude of the frequency control is initially set good. Independent inverter, you should refer to off-grid inverter, do not need to consider the grid situation.
- Q:What is the importance of surge protection in a solar inverter?
- Surge protection is of utmost importance in a solar inverter due to several reasons. Firstly, solar inverters are responsible for converting the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power electrical devices. During this conversion process, there is a potential for power surges or voltage spikes to occur. These surges can damage the sensitive electronic components within the inverter, leading to malfunctions or complete failure. Secondly, solar inverters are often connected to the electrical grid, allowing excess electricity generated by the solar panels to be fed back into the grid. However, the grid can be prone to power fluctuations and surges caused by lightning strikes, utility switching, or other external factors. Without adequate surge protection, these power surges can travel back through the grid and damage the solar inverter. Furthermore, surge protection is essential in safeguarding the entire solar power system. In addition to the solar inverter, there are other components such as charge controllers, battery systems, and monitoring equipment that are interconnected. A surge in any part of the system can potentially damage or disrupt the entire system's operation. By installing surge protection devices, such as surge suppressors or surge arresters, in the solar inverter, the excess energy from power surges is diverted away from the sensitive electronic components. These devices are designed to absorb or redirect the surge, protecting the inverter and other connected equipment. In conclusion, surge protection is crucial in a solar inverter to prevent damage from power surges during the conversion process, protect against external power fluctuations from the grid, and safeguard the entire solar power system. Investing in proper surge protection ensures the longevity and reliable operation of the solar inverter, minimizing the risk of costly repairs or replacements.
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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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