Srne Solar Inverter - High Efficiency Off-Grid Pure Sine Wave Power Inverter 700W, 24V-220V/230V, STI700
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Description
STI series is a sine wave power frequency inverter which can convert 12V or 24V DC to 220VAC or 230VAC 50Hz based on full digital and intelligent design. The inverter can be applied in many fields especially for solar photovoltaic power system.
Features:
·Complete isolation-type inverter technology, noiseless output
·Adoption of advanced SPWM technology, pure sine wave output
·Dynamic current loop control technology to ensure inverter reliable operation.
·Wide DC input voltage range
·Excellent EMC design
·Low output harmonic distortion(THD≤3%)
·LED indicators display 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 reverse polarity protection
·Input low voltage protection
·Input over voltage protection
·Inverter abnormal protection
·Overheating protection
Specification:
Types | SHI600-12 | SHI600-22 |
Nominal Battery Voltage | 12V | 24V |
Input Voltage Range | 10.8~16Vdc | 21.6~32Vdc |
No Load Current | ≤0.7A | ≤0.45A |
Output Wave | Pure Sine Wave | |
Output Voltage | 220Vac±3% / 230Vac±10% | |
Continuous Power | 600W | |
Power 10 sec | 900W | |
Power 1.5 sec | 1200W | |
Surge Power | 1350W | |
Frequency | 50/60Hz±0.2% | |
Distortion THD | ≤ 3% (resistive load) | |
Efficiency at Rated Power | ≥91% | ≥92% |
Max. Efficiency | ≥93% | ≥94% |
Terminal | 25mm2 | |
Dimensions | 295×186×82mm | |
Installation | 150×178mm | |
Hole Size | Φ6mm | |
Net Weight | 2.3kg | |
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. |
FAQ
Off Grid VS On Grid Panels, what's the difference?
The differences between both panels are related to the system where they are going to be installed.
On-grid installations, as the name said, are thought to feed the produced energy into the grid and for that it is important to have the biggest voltage that it is allowed (1000VDC in Europe, 600 VDC in USA). For a defined power, more voltage means less current (P=V*I) and less losses.
In off-grid installations it is different because you must storage the energy into batteries. Batteries usually work at 12, 24 or 48 VDC and off-grid photovoltaic modules work at the maximum power point (mpp) near this voltage (see the datasheets). So the controller that charges the batteries works also near the batteries voltage.
Your limiting factor here is going to be this controller. You have to see what is the maximum voltage and the maximum current that it can work with, upstream (photovoltaic modules) and downstream (batteries andinverter). Then you have to dimension your PV array (Voltage and Current).
Does inverter long warranty mean high quality?
SMA did bump up the warranty to 10 years when CSI demanded all inverter manufacturers to do so. The European Sunny Boys are only warrantied for 5 years.
iPhones only have a one year warranty. Does that mean Apple products aren't reliable? Enphase offers a 25 year warranty on theiribut only one year on their inverters monitoring. Does this mean their monitoring is not as reliable as their inverter? Of course not.
Offering long warranties have very real costs, especially for publicly traded companies like SMA. If we were to offer a 25 year warranty, we would have to hold a higher reserve on our balance sheet, making our products more expensive. We think that our customers would rather have our high quality products at a lower cost.
Start-ups invariably offer long warranties to make up for lack of track record or the perception of quality problems. As the unfortunate recent events at Solyndra have shown, long warranties offered by start-ups can have limited practical value.
Analogies can be drawn to the wind industry: in the early days, customers requested very long warranties (20 years or so), since it was the wild west and no one had a clue about long term O&M requirements for these big new turbines. Now that the wind industry has matured, turbine warranties are again very short (2 years is typical) since the large suppliers have a track record of shipping quality product that does not fail when properly maintained. You could say that PV today is like the wild west environment in wind 10 years ago.
- Q:Can a solar inverter be used with different types of tracking algorithms?
- Yes, a solar inverter can be used with different types of tracking algorithms. The primary function of a solar inverter is to convert the direct current (DC) generated by solar panels into alternating current (AC) that can be used in homes or businesses. Tracking algorithms, on the other hand, are responsible for optimizing the performance of solar panels by adjusting their orientation and tilt angles to maximize sunlight exposure. Solar inverters can integrate with various tracking algorithms to ensure efficient operation and improve energy generation.
- Q:How does the efficiency of a solar inverter affect the overall system performance?
- The efficiency of a solar inverter plays a critical role in determining the overall system performance. A higher efficiency inverter converts a greater percentage of the incoming solar energy into usable electricity, resulting in increased energy production. This ultimately leads to higher system output and improved performance. Additionally, a more efficient inverter reduces energy losses and improves the overall system's reliability and longevity. Lower efficiency inverters, on the other hand, can result in energy wastage and reduced system performance. Therefore, selecting a highly efficient solar inverter is essential for maximizing the overall performance and energy output of a solar power system.
- Q:How does a solar inverter handle voltage fluctuations in the grid?
- A solar inverter handles voltage fluctuations in the grid by continuously monitoring the grid voltage. When the voltage deviates from the standard range, the inverter adjusts its output accordingly to stabilize the voltage and ensure a consistent supply of power.
- Q:What is the role of an MPPT (Maximum Power Point Tracking) inverter?
- The role of an MPPT (Maximum Power Point Tracking) inverter is to optimize the conversion of solar energy into usable electricity. It constantly tracks and adjusts the operating point of the solar panels to ensure that they are always operating at their maximum power point, which maximizes the efficiency and output of the solar system.
- 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:Can a solar inverter be used in conjunction with a power optimizer?
- Yes, a solar inverter can be used in conjunction with a power optimizer. In fact, this combination is commonly used in solar power systems to optimize energy production. The power optimizer helps maximize the performance of each individual solar panel by adjusting the voltage and current levels, while the solar inverter converts the DC electricity produced by the panels into usable AC electricity for the grid. Together, they enhance the overall efficiency and output of the solar system.
- Q:What is the warranty period for a solar inverter?
- The warranty period for a solar inverter typically varies depending on the manufacturer and model, but it commonly ranges from 5 to 10 years.
- Q:How does a solar inverter handle grid faults and disturbances?
- A solar inverter is designed to handle grid faults and disturbances by continuously monitoring the grid conditions. In the event of a fault or disturbance, such as a voltage or frequency fluctuation, the solar inverter will quickly disconnect from the grid to ensure the safety of the system. Once the fault is resolved and the grid conditions stabilize, the solar inverter will reconnect to the grid and resume normal operation, ensuring a reliable and stable power supply.
- 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 generated by the solar panels into alternating current (AC) electricity that can be used by the utility grid. It also ensures that any excess electricity generated by the solar panels is fed back into the grid, allowing the consumer to receive credits for the surplus energy produced.
- Q:What is the maximum AC voltage that a solar inverter can provide?
- The maximum AC voltage that a solar inverter can provide typically depends on the specific model and its specifications. However, most residential and commercial solar inverters provide a maximum AC voltage output of around 240 volts or 480 volts, depending on the electrical grid requirements and system configurations.
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Srne Solar Inverter - High Efficiency Off-Grid Pure Sine Wave Power Inverter 700W, 24V-220V/230V, STI700
- 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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