Solar Inverter EMI Sun-35/40/45/50k-g-lv | 35-50kW | Three Phase | 4 MPPT | Low Voltage | 127/220VAC
- Ref Price:
-
- Loading Port:
- Ningbo
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 5000 pc/month
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Specification
Output Power:
35-50kw
Inveter Efficiency:
98.3%
Output Voltage(V):
220
Input Voltage(V):
550
Output Current（A）:
91.9-131.2
Output Frequency:
50/60Hz
This series inverter is specially designed for 127/220Vac three-phase system, providing rated power at 35KW, 40KW, 45KW, 50KW. Equipped with large LCD and buttons, easy to operate and maintenance. With compact design and high-power density, this series supports 1.3 DC/AC ratio, saving device investment.
127/220Vac and 60Hz, three phase system
4 MPP tracker, Max. efficiency up to 98.7%
Zero export application, VSG application
String intelligent monitoring (optional)
Wide output voltage range
Type II DC/AC SPD
Anti-PID function (Optional)
| Technical Data | ||||||
| Model | SUN-35K-G02-LV | SUN-40K-G-LV | SUN-45K-G-LV | SUN-50K-G-LV | ||
| Input Side | ||||||
| Max. DC Input Power (kW) | 45.5 | 52 | 58.5 | 65 | ||
| Max. DC Input Voltage (V) | 800 | |||||
| Start-up DC Input Voltage (V) | 250 | |||||
| MPPT Operating Range (V) | 200~700 | |||||
| Max. DC Input Current (A) | 30+30+30+30 | 40+40+40+40 | ||||
| Max. Short Circuit Current (A) | 45+45+45+45 | 60+60+60+60 | ||||
| Number of MPPT / Strings per MPPT | 4/3 | 4/4 | ||||
| Output Side | ||||||
| Rated Output Power (kW) | 35 | 40 | 345 | 50 | ||
| Max. Active Power (kW) | 38.5 | 44 | 49.5 | 55 | ||
| Nominal Output Voltage / Range (V) | 3L/N/PE 127/0.85Un-1.1Un，220 /0.85Un-1.1Un (this may vary with grid standards) | |||||
| Rated Grid Frequency (Hz) | 60 / 50 (Optional) | |||||
| Operating Phase | Three phase | |||||
| Rated AC Grid Output Current (A) | 91.9 | 104.9 | 118.1 | 131.2 | ||
| Max. AC Output Current (A) | 101.1 | 115.5 | 129.9 | 144.4 | ||
| Output Power Factor | 0.8 leading to 0.8 lagging | |||||
| Grid Current THD | <3%< span=""> | |||||
| DC Injection Current (mA) | <0.5%< span=""> | |||||
| Grid Frequency Range | 57~62 | |||||
| Efficiency | ||||||
| Max. Efficiency | 98.7% | |||||
| Euro Efficiency | 98.3% | |||||
| MPPT Efficiency | >99% | |||||
| Protection | ||||||
| DC Reverse-Polarity Protection | Yes | |||||
| AC Short Circuit Protection | Yes | |||||
| AC Output Overcurrent Protection | Yes | |||||
| Output Overvoltage Protection | Yes | |||||
| Insulation Resistance Protection | Yes | |||||
| Ground Fault Monitoring | Yes | |||||
| Anti-islanding Protection | Yes | |||||
| Temperature Protection | Yes | |||||
| Integrated DC Switch | Yes | |||||
| Remote software upload | Yes | |||||
| Remote change of operating parameters | Yes | |||||
| Surge protection | DC Type II / AC Type II | |||||
| General Data | ||||||
| Size (mm) | 700W×575H×297D | |||||
| Weight (kg) | 60 | |||||
| Topology | Transformerless | |||||
| Internal Consumption | <1W (Night) | |||||
| Running Temperature | -25~65℃, >45℃ derating | |||||
| Ingress Protection | IP65 | |||||
| Noise Emission (Typical) | <55 dB | |||||
| Cooling Concept | Smart cooling | |||||
| Max. Operating Altitude Without Derating | 2000m | |||||
| Warranty | 5 years | |||||
| Grid Connection Standard | CEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98, VDE 0126-1-1, RD 1699, C10-11 | |||||
| Operating Surroundings Humidity | 0-100% | |||||
| Safety EMC / Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 | |||||
| Features | ||||||
| DC Connection AC Connection Display Interface | MC-4 mateable IP65 rated plug LCD 240 × 160 RS485/RS232/Wifi/LAN | |||||
| AC Connection | IP65 rated plug | |||||
| Display | LCD 240 × 160 | |||||
| Interface | RS485/RS232/Wifi/LAN | |||||
- Q: How does a solar inverter handle power quality disturbances?
- A solar inverter handles power quality disturbances by continuously monitoring the electrical grid and adjusting its output accordingly. It employs various techniques such as voltage regulation, frequency control, and power factor correction to ensure that the power it feeds into the grid is of high quality and meets the required standards. Additionally, some advanced solar inverters also have built-in features like anti-islanding protection to prevent the injection of power into the grid during a disturbance, ensuring the safety of both the solar system and the grid.
- Q: How does a solar inverter handle varying solar irradiance levels?
- A solar inverter handles varying solar irradiance levels by continuously monitoring the incoming solar energy and adjusting its output accordingly. When the solar irradiance level is high, the inverter increases its output voltage to maximize power conversion. Conversely, when the solar irradiance level drops, the inverter reduces its output voltage to maintain a steady and efficient power conversion. This adaptive response ensures that the solar inverter efficiently converts the available solar energy into usable electricity regardless of the varying solar irradiance levels.
- Q: How does a solar inverter handle voltage fluctuations from the grid?
- A solar inverter handles voltage fluctuations from the grid by constantly monitoring the voltage and adjusting its output accordingly. When the grid voltage increases or decreases, the inverter's control system regulates its own output voltage to match the changes, ensuring a stable and consistent supply of electricity is fed into the grid. This helps to maintain grid stability and protect the connected devices from potential damage caused by voltage fluctuations.
- Q: What is the role of a reactive power controller in a solar inverter?
- The role of a reactive power controller in a solar inverter is to regulate and maintain the flow of reactive power to ensure a balanced and stable electrical grid. By dynamically controlling the reactive power output, the controller helps to improve power factor, minimize voltage fluctuations, and enhance the overall system performance and efficiency of the solar inverter.
- Q: What is the role of a solar inverter in voltage and frequency regulation during islanding conditions?
- The solar inverter plays a crucial role in maintaining voltage and frequency regulation during islanding conditions. Islanding conditions occur when a distributed generation system, like a solar PV system, continues to supply power to a local area even when the main electrical grid is disconnected. In grid-connected mode, the solar inverter synchronizes its output voltage and frequency with the utility grid. However, during islanding conditions, it must transition into a standalone mode and take responsibility for regulating voltage and frequency within the isolated microgrid. The primary function of the solar inverter in islanding conditions is to ensure that the voltage and frequency of the generated electricity remain within acceptable limits. To achieve this, it constantly monitors the electrical parameters and adjusts its own output accordingly. To regulate voltage, the solar inverter adjusts its output voltage based on demand and the available power from the solar panels. It maintains a steady voltage level within a specified range, typically around 230-240 volts for residential applications. Equally important is frequency regulation, which ensures that the electrical devices connected to the microgrid operate at their designed frequency, usually 50 or 60 Hz. The solar inverter continuously monitors the frequency and adjusts its output to match the required frequency, minimizing fluctuations and maintaining stability. Apart from voltage and frequency regulation, the solar inverter also performs other crucial functions during islanding conditions. These include power quality control, protection against overvoltage and overcurrent, and safe disconnection in emergencies or during grid restoration. Overall, the solar inverter's role in voltage and frequency regulation during islanding conditions is critical for maintaining a stable and reliable power supply within the isolated microgrid. It ensures that the electricity generated by the solar PV system remains within acceptable parameters, enabling connected electrical devices to operate efficiently and safely.
- Q: What is the role of a solar inverter in power factor correction?
- The role of a solar inverter in power factor correction is to convert the direct current (DC) generated by the solar panels into alternating current (AC) that can be used by the electrical grid. In doing so, the solar inverter ensures that the AC power being fed into the grid has a power factor close to unity, which means it is efficient and does not cause any unnecessary strain on the electrical system. This helps to improve the overall power quality and efficiency of the solar energy system.
- Q: What is the role of a maximum power point tracker (MPPT) in a solar inverter?
- In a solar inverter, the maximum power point tracker (MPPT) plays a crucial role in optimizing the efficiency and power output of the solar panel system. Since solar panels generate direct current (DC) electricity while most appliances and the electrical grid operate on alternating current (AC), the MPPT continuously adjusts the operating conditions of the solar panels to extract the maximum power available from sunlight. The MPPT tracks the maximum power point (MPP) at which the solar panels can efficiently generate the most electricity. This is vital because the output of a solar panel depends significantly on factors like temperature, shading, and the angle of the sun. To ensure maximum power output, the MPPT continuously monitors and adjusts the voltage and current of the solar panel system, keeping it at the MPP. It achieves this by dynamically altering the electrical load on the solar panels to find the optimal operating point. Additionally, the MPPT acts as a converter, transforming the DC power generated by the solar panels into the AC power required for appliances or for feeding back into the electrical grid. This conversion process involves adjusting the voltage and frequency of the electricity to match the requirements of the appliances or the grid. In summary, the primary function of a maximum power point tracker in a solar inverter is to optimize the efficiency and power output of the solar panel system, ensuring the extraction of the maximum amount of energy from sunlight and its effective utilization for various applications.
- Q: What is the maximum number of solar panels that can be connected to a solar inverter?
- The maximum number of solar panels that can be connected to a solar inverter depends on various factors such as the power rating and specifications of the inverter, the total power capacity of the solar panels, and the design of the solar power system. It is best to consult the manufacturer's guidelines or a professional solar installer to determine the appropriate number of solar panels that can be connected to a specific solar inverter.
- Q: What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
- Off-grid inverter is equivalent to their own to establish an independent small power grid, mainly to control their own voltage, is a voltage source.
- Q: What is the role of a solar inverter in a solar-powered electric fence?
- The role of a solar inverter in a solar-powered electric fence is to convert the direct current (DC) generated by the solar panels into alternating current (AC) that is used to power the electric fence system. The inverter ensures that the energy captured by the solar panels is transformed into a usable form for the electric fence, allowing it to function efficiently.
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Solar Inverter EMI Sun-35/40/45/50k-g-lv | 35-50kW | Three Phase | 4 MPPT | Low Voltage | 127/220VAC
- Ref Price:
-
- Loading Port:
- Ningbo
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 5000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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