35KW Solar Inverter - Off-grid Pure Sine Wave Solar Inverter/Power Inverter 400W, DC 24V to AC 220V/230V SHI400-22
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SHI series is a pure sine wave inverter which can convert 12/24/48Vdc to 220/230Vac 50/60Hz based on full digital and intelligent design. It features high reliability, high efficiency, concise outline, small volume, easy installation and operation. The inverter can be applied in many fields, such as household appliances, electric tools and industrial devices etc, especially for solar photovoltaic power system.
True sine wave inverters produce power that is either identical or sometimes slightly better to power from the public utility power grid system. The power wave when viewed through an oscilloscope is a smooth sine wave.
Features:
·Input & output fully isolation
·Adoption of advanced SPWM technology, pure sine wave output
·Dynamic current loop control technology to ensure inverter reliable operation
·Wide DC input voltage range
·The output voltage and frequency can be switched
·Low output harmonic distortion（THD≤3%）
·LED indicators for input voltage range, load power range, normal output & failure state
·Optional energy saving mode
·Wide working temperature range (industrial level)
·Continuous operation at full power
Protections：
·Output short circuit protection
·Overload protection
·Input low voltage protection
·Input over voltage protection
·Overheating protection
·Inverter abnormal protection
Specification:
Types | SHI400-12 | SHI400-22 | SHI600-12 | SHI600-22 | SHI1000-22 | SHI1000-42 |
Nominal Battery Voltage | 12V | 24V | 12V | 24V | 24V | 48V |
Input Voltage Range | 10.8~16Vdc | 21.6~32Vdc | 10.8~16Vdc | 21.6~32Vdc | 21.6~32Vdc | 43.2~64Vdc |
No Load Current | ≤0.8A | ≤0.45A | ≤0.7A | ≤0.45A | ≤0.45A | ≤0.35A |
Output Wave | Pure Sine Wave | |||||
Output Voltage | 220Vac±3% / 230Vac±10% | |||||
Continuous Power | 400W | 600W | 1000W | |||
Power 10 sec | 600W | 900W | 1500W | |||
Power 1.5 sec | 800W | 1200W | 2000W | |||
Surge Power | 900W | 1350W | 2250W | |||
Frequency | 50/60Hz±0.2% | |||||
Distortion THD | ≤ 3% (resistive load) | |||||
Efficiency at Rated Power | ≥91% | ≥92% | ≥91% | ≥92% | ≥93% | ≥93.5% |
Max. Efficiency | ≥92% | ≥93% | ≥93% | ≥94% | ≥94% | ≥94% |
Terminal | 16mm2 | 25mm2 | 25mm2 | |||
Dimensions | 280×166×74.3mm | 295×186×82mm | 295×208×98mm | |||
Installation | 150×158mm | 150×178mm | 150×200mm | |||
Hole Size | Φ5mm | Φ6mm | Φ6mm | |||
Net Weight | 1.8kg | 2.3kg | 3.3kg | |||
Working Temperature | -20℃~ +50℃ | |||||
Storage Temperature | -35℃~ +70℃ | |||||
Humidity | < 95% (N.C.) | |||||
Altitude | < 5000m(Derating to operate according to IEC62040 at a height exceeding 1000m) | |||||
Insulation Resistance | Between DC input terminals and metal case: ≥550MΩ; Between AC output terminals and metal case: ≥550MΩ. | |||||
Dielectric Strength | Between DC input terminals and metal case: Test voltage AC1500V, 1 minute Between AC output terminals and metal case: Test voltage AC1500V, 1 minute | |||||
- Q: Can a solar inverter be used in areas with high temperature fluctuations?
- Solar inverters can generally be used in areas that experience high temperature fluctuations. These inverters are designed to function within a wide temperature range, usually between -20°C to 50°C (-4°F to 122°F), depending on the model. They incorporate temperature protection mechanisms to guarantee their durability and functionality, even in the face of extreme temperature variations. However, it is essential to acknowledge that prolonged exposure to extreme temperatures at the upper or lower limits of their operating range may impact the inverter's performance and lifespan. Consequently, it is crucial to install them correctly and perform regular maintenance to ensure optimal performance in regions with significant temperature fluctuations.
- Q: How does a solar inverter convert DC power to AC power?
- A solar inverter converts DC power to AC power by utilizing electronic components and a complex control system. The process involves several stages: first, the DC power generated by solar panels is converted into high-frequency AC power using a high-frequency transformer. This AC power is then rectified and filtered to create a stable DC voltage. The DC voltage is further processed by an inverter circuit, which rapidly switches the DC voltage on and off to create an AC waveform. Finally, the AC waveform is filtered and conditioned to match the desired output requirements, allowing the solar inverter to efficiently convert DC power from the solar panels into usable AC power for electrical devices.
- Q: How do you calculate the maximum power point tracking efficiency for a solar inverter?
- To calculate the maximum power point tracking (MPPT) efficiency for a solar inverter, you need to compare the actual power output of the inverter to the maximum power available from the solar panels. The formula for MPPT efficiency is: MPPT Efficiency = (Actual Power Output / Maximum Power Output) * 100 The actual power output is the power being delivered by the inverter to the load, which can be measured using a power meter. The maximum power output is the highest power that can be generated by the solar panels, which can be determined by conducting a performance test or referring to the manufacturer's specifications. By dividing the actual power output by the maximum power output and multiplying the result by 100, you can calculate the MPPT efficiency as a percentage. This efficiency metric helps evaluate how effectively the inverter is tracking the maximum power point of the solar panels, ensuring optimal energy conversion and utilization.
- Q: What is the maximum AC current output of a solar inverter?
- The maximum AC current output of a solar inverter varies depending on the model and capacity of the inverter. Generally, it can range from a few amps to several hundred amps.
- Q: Can a solar inverter be used with a monitoring system?
- Yes, a solar inverter can be used with a monitoring system. In fact, many solar inverters are equipped with built-in monitoring capabilities, allowing users to track the performance and output of their solar energy system in real-time. Additionally, there are also external monitoring systems available that can be integrated with a solar inverter to provide more advanced monitoring features and data analysis.
- Q: What is the role of a solar inverter in a grid-tied system?
- The role of a solar inverter in a grid-tied system is to convert the direct current (DC) electricity produced by the solar panels into alternating current (AC) electricity that can be used by the electrical grid or consumed by the appliances and devices in a home or business. It also ensures that the solar energy generated is synchronized with the grid's voltage and frequency to enable efficient and safe transfer of power. Additionally, the solar inverter monitors and controls the flow of electricity between the solar panels, the grid, and any energy storage systems that may be connected to the system.
- Q: What is the role of maximum power control in a solar inverter?
- The role of maximum power control in a solar inverter is to optimize the power output of the photovoltaic (PV) system by continuously tracking the maximum power point (MPP) of the solar panels. This control mechanism ensures that the inverter extracts the maximum amount of energy from the PV array, despite variations in solar irradiation and temperature. By constantly adjusting the inverter's operating conditions to match the MPP, maximum power control maximizes the overall efficiency and performance of the solar power system.
- Q: How does a solar inverter handle reactive power injection into the grid?
- A solar inverter handles reactive power injection into the grid by using advanced control algorithms and capacitors. It actively monitors the grid's voltage and frequency and adjusts its output to maintain the required power factor. The inverter can either absorb or inject reactive power into the grid as needed to ensure a stable and balanced power flow.
- Q: Can a solar inverter be used for both grid-tied and off-grid systems?
- No, a solar inverter cannot be used for both grid-tied and off-grid systems. Grid-tied inverters are designed to convert solar energy into electricity and feed it back into the grid, while off-grid inverters are designed to convert solar energy into usable electricity for standalone systems not connected to the grid. The requirements and functionalities of both types of systems are different, so separate inverters are needed for each.
- Q: What is the role of a solar inverter in a grid-independent system?
- The role of a solar inverter in a grid-independent system is to convert the direct current (DC) generated by the solar panels into alternating current (AC) that can be used to power household appliances and other electrical loads. It also manages the flow of electricity between the solar panels, batteries (if present), and the electrical loads, ensuring optimal energy utilization and system efficiency. Additionally, a solar inverter in a grid-independent system may incorporate advanced features like battery charging and discharging control, voltage regulation, and monitoring capabilities to ensure the stability and reliability of the system.
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35KW Solar Inverter - Off-grid Pure Sine Wave Solar Inverter/Power Inverter 400W, DC 24V to AC 220V/230V SHI400-22
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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