UPS as Solar Inverter Photovoltaic Grid-Connected Inverters SG250K3
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- Min Order Qty:
- 500000 unit
- Supply Capability:
- 3000000 unit/month
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1. Structure of Photovoltaic Grid-Connected Inverters SG250K3 Description
SG630KTL is using low-frequency isolation transformer for protective purpose. Its wider input voltage range ensures more combinations of
the PV arrays. Moreover, optical fiber isolation technology has been adopted to increase its anti-interference ability under the circumstances
of multiple inverters installation. In addition, optimized circuit and structural design has improved system thermal efficiency which enhancing
system reliability and stability. Reinforced protection functions, including the DC ground fault protection, make it the best product for large
scale PV power plant.
2. Main Features of the Photovoltaic Grid-Connected Inverters SG250K3
* Advanced Technology, Grid-friendly
• LVRT, HVRT and zero-voltage ride through to cope with various grid conditions
• SVG function at night, response to grid directives around the clock
• Reactive power control with power factor from 0.9 lagging to 0.9 leading
* More Compact, Saving Space for PV Plant
• Power density enhanced 50%, one of the central inverters with highest power density in the PV industry
• Save installation spaces and lower the plant initial cost
• Front maintenance, able to install against the wall, convenient installation and maintenance, saving operation cost of the PV plant.
* Efficient, More Yields
• Max. efficiency at 97.3% with transformer
• Efficient MPPT control strategy, improve power yields
• 28335 chips adopted, more accurate calculation, more power yields;
• Intelligent speed regulation cooling concept, low consumption, high efficiency
* More Advantages
• Perfect protection and fault alarm system, safe and reliable
• User-friendly dynamic graphics LCD
• Redundant dual power supply solution improving the system reliability
• Efficient PWM algorithm, low consumption of switch
• Operate without power derating at -25℃ - +55℃
• Reliable and continues operation in high altitude environment
• Auxiliary heater (opt.)
• CGC certification, compliance with BDEW
3. Photovoltaic Grid-Connected Inverters SG250K3 Images
4. Photovoltaic Grid-Connected Inverters SG250K3 Specification
MODEL | SG250K3 |
DC SIDE DATA | |
Max. DC Voltage | 1000Vdc |
Start Voltage | 500V |
MPP Voltage Range | 480~850Vdc |
Min. DC Voltage | 480V |
Max. DC Power | 284kWp |
Max. Input Current | 592A |
AC SIDE DATA | |
Rated Output Power | 250kW |
Max. AC Output Current | 397A |
Rated Grid Voltage | 400Vac |
Grid Voltage Range | 310~450Vac |
Rated Grid Frequency | 50Hz/60Hz |
Grid Frequency Range | 47~52Hz/57~62Hz |
Output Current THD | <3% (at nominal power) |
DC Current Injection | <0.5% of rated inverter output current |
Power Factor | 0.9(lagging)~0.9(leading) |
SYSTEM | |
Max. Efficiency | 97.3%(with transformer) |
Euro Efficiency | 96.7%(with transformer) |
Protection Degree | IP21 |
Power Consumption at Night | <80W |
Operating Temperature | -25~+55°C |
Cooling Method | Temperature controlled forced-air cooling |
Relative Humidity | 0~95%, non-condensing |
Max. Working Altitude | 6000m (operation with derating above 3000m) |
DISPLAY AND COMMUNICATIONS | |
Display | touch screen LCD |
Standard Comm. Interfaces | RS485 |
Optional Comm. Interfaces | Ethernet |
MECHANICAL DATA | |
Dimensions(WxHxD) | 1006x2034x850mm |
Net Weight | 1600kg |
5. FAQ of Photovoltaic Grid-Connected Inverters SG250K3
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 the input frequency range affect the performance of a solar inverter?
- The input frequency range of a solar inverter directly affects its performance. A wider input frequency range allows the inverter to accommodate a broader range of input frequencies from the solar panels. This flexibility ensures optimal energy conversion and efficiency, regardless of fluctuations in the grid frequency or varying solar conditions. Conversely, a limited input frequency range may result in reduced performance, as the inverter may struggle to convert the solar panel's output effectively, leading to lower efficiency and potential issues with power output. Therefore, a wider input frequency range positively impacts the overall performance and adaptability of a solar inverter.
- Q: What is the role of a solar inverter in net metering?
- The role of a solar inverter in net metering is to convert the direct current (DC) electricity produced by solar panels into alternating current (AC) electricity that can be used to power homes or businesses. It also allows any excess electricity generated to be fed back into the grid, enabling net metering and allowing the owner to receive credits or compensation for the excess energy provided.
- Q: What is the impact of a solar inverter on the overall system cost?
- The overall system cost can be significantly impacted by a solar inverter. An essential component of a solar power system, the solar inverter converts the direct current (DC) generated by solar panels into alternating current (AC) for powering electrical devices or feeding back into the grid. The cost of a solar inverter varies based on its capacity, efficiency, and brand. Generally, more advanced and efficient inverters tend to be pricier. However, investing in a high-quality inverter can lead to long-term savings and improved system performance. Considering the size of the solar power system is important. Inverters have capacity limits, so selecting the right-sized inverter is crucial for optimizing energy production and system efficiency. An undersized inverter can restrict performance, while an oversized one may result in unnecessary additional costs. The quality and reliability of the inverter are also significant factors. A well-built and reliable inverter can minimize maintenance and repair expenses, ensuring a longer lifespan for the solar power system. Furthermore, advanced features like monitoring capabilities and grid integration functionalities can enhance system performance and provide valuable maintenance and troubleshooting data, though they may increase overall system cost. Additionally, the efficiency of a solar inverter can impact the overall system cost. Higher efficiency inverters can convert more DC power into usable AC power, increasing energy production and potentially reducing the number of required solar panels. This can result in cost savings in terms of panel purchase and installation. In conclusion, while the cost of a solar inverter is an important factor in overall system cost, it is crucial to balance it with considerations such as capacity, efficiency, reliability, and additional features. Investing in a properly sized, high-quality inverter can lead to long-term savings, improved system performance, and higher energy production, maximizing the value and benefits of a solar power system.
- Q: How does a solar inverter handle variations in solar panel cleanliness?
- A solar inverter is not directly responsible for handling variations in solar panel cleanliness. However, a clean solar panel allows for maximum absorption of sunlight, resulting in optimal energy production. If solar panels are dirty, the amount of sunlight absorbed decreases, leading to reduced energy generation. It is the responsibility of the solar panel owner to regularly clean and maintain the panels to ensure their efficiency.
- Q: What is the role of a power limiter in a solar inverter?
- The role of a power limiter in a solar inverter is to regulate and limit the amount of power that can be generated and fed back into the electrical grid. It ensures that the solar system does not exceed the permitted power limits set by the utility company or regulatory authorities, preventing any potential damage to the grid infrastructure. Additionally, a power limiter helps maintain a stable and reliable power supply by controlling the amount of solar energy that is being exported or utilized within a specific threshold.
- Q: Can a solar inverter be repaired or serviced?
- Yes, a solar inverter can be repaired or serviced. In case of a malfunction or damage, skilled technicians can diagnose and fix the issue, replace faulty components, or provide maintenance services to ensure optimal performance. It is recommended to consult with professionals or contact the manufacturer for assistance with repairs or servicing.
- Q: Can a solar inverter be used with a smart home system?
- Yes, a solar inverter can be used with a smart home system. Smart home systems are designed to integrate with various devices and technologies, including solar inverters. By connecting a solar inverter to a smart home system, users can monitor and control their solar energy production, track energy consumption, and optimize energy usage based on real-time data. This integration allows for increased energy efficiency and convenience in managing solar power within a smart home environment.
- Q: How do you choose the right brand of solar inverter?
- When choosing the right brand of solar inverter, it is important to consider factors such as reliability, efficiency, warranty, and compatibility with your specific solar panel system. Researching customer reviews, comparing specifications and features, and consulting with solar professionals can help in making an informed decision.
- Q: Can a solar inverter be used with a solar-powered cooling system?
- Yes, a solar inverter can be used with a solar-powered cooling system. The solar inverter is responsible for converting the direct current (DC) power generated by the solar panels into alternating current (AC) power, which is required to operate the cooling system. By connecting the solar panels to the inverter, the generated solar energy can be efficiently utilized to power the cooling system, making it a sustainable and eco-friendly solution.
- Q: Can a solar inverter be used with electric vehicles?
- No, a solar inverter cannot directly be used with electric vehicles. Solar inverters are designed to convert DC (direct current) from solar panels into AC (alternating current) for home or grid use. Electric vehicles, on the other hand, require DC power to charge their batteries. However, solar energy generated through a solar inverter can be used to charge the batteries of an electric vehicle indirectly by connecting the solar system to the power grid or using a separate charging station equipped with a suitable DC charger.
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UPS as Solar Inverter Photovoltaic Grid-Connected Inverters SG250K3
- 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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