• Srne Solar Inverter - High Efficiency Off-Grid Pure Sine Wave Power Inverter 700W, 24V-220V/230V, STI700 System 1
  • Srne Solar Inverter - High Efficiency Off-Grid Pure Sine Wave Power Inverter 700W, 24V-220V/230V, STI700 System 2
  • Srne Solar Inverter - High Efficiency Off-Grid Pure Sine Wave Power Inverter 700W, 24V-220V/230V, STI700 System 3
Srne Solar Inverter - High Efficiency Off-Grid Pure Sine Wave Power Inverter 700W, 24V-220V/230V, STI700

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

High Efficiency Off-Grid Pure Sine Wave Power Inverter 700W, 24V-220V/230V,STI700

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 and
inverter). 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 their
ibut 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:What is the role of power ramp rate control in a solar inverter?
The role of power ramp rate control in a solar inverter is to regulate the rate at which the power output of the solar panels increases or decreases. This control feature helps to ensure a smooth and gradual transition in power generation, thereby preventing sudden fluctuations and potential grid instability. By managing the rate at which power is introduced to the grid, power ramp rate control helps to maintain the stability and reliability of the overall electrical system.
Q:What happens to excess solar energy generated by the inverter?
Excess solar energy generated by the inverter can be either stored in batteries for later use or fed back into the electrical grid, depending on the setup of the solar power system.
Q:What is the maximum operating altitude for a solar inverter?
The maximum operating altitude for a solar inverter typically varies depending on the specific model and manufacturer. However, on average, most solar inverters can operate effectively at altitudes up to 4,000 meters (13,123 feet) above sea level. It is important to consult the manufacturer's specifications or user manual for the precise altitude limitations of a particular solar inverter.
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 does the quality of the AC waveform affect the performance of a solar inverter?
The quality of the AC waveform directly affects the performance of a solar inverter. A clean and stable waveform is essential for efficient and reliable operation of the inverter. Any deviations, distortions, or harmonics in the waveform can lead to increased power losses, reduced conversion efficiency, and potential damage to the inverter. Therefore, a high-quality AC waveform is crucial for optimal performance and maximum power output from a solar inverter.
Q:How is a solar inverter different from a regular inverter?
A solar inverter is specifically designed to convert the DC (direct current) electricity generated by solar panels into AC (alternating current) electricity suitable for use in homes and businesses. On the other hand, a regular inverter is mainly used to convert DC electricity from batteries or other sources into AC electricity. Therefore, while both inverters convert electricity from one form to another, a solar inverter is tailored for the unique requirements of solar power systems.
Q:What is the maximum input voltage that a solar inverter can handle?
The maximum input voltage that a solar inverter can handle varies depending on the specific model and manufacturer. However, in general, most solar inverters can handle input voltages in the range of 150 to 600 volts DC.
Q:How does the efficiency of a solar inverter affect the overall system performance?
The efficiency of a solar inverter plays a crucial role in determining the overall performance of a solar system. A higher efficiency inverter converts a greater percentage of the energy generated by the solar panels into usable electricity. This means that less energy is lost as heat, resulting in more electricity being available for consumption. A more efficient inverter translates into increased energy production, reduced reliance on grid power, and ultimately, higher cost savings. Additionally, a highly efficient inverter enhances the stability and reliability of the system, ensuring optimal performance and longevity.
Q:Can a solar inverter be used with different types of power factor correction devices?
Yes, a solar inverter can be used with different types of power factor correction devices. Power factor correction devices are designed to improve the power factor of electrical systems and reduce reactive power. Solar inverters convert the DC power generated by solar panels into AC power that can be used in the electrical system. The power factor correction devices can be installed in conjunction with the solar inverter to improve the overall power factor of the system and enhance its efficiency.
Q:How does a solar inverter communicate with other devices in a solar power system?
A solar inverter communicates with other devices in a solar power system through various communication protocols such as Wi-Fi, Ethernet, or RS485. These protocols enable the inverter to exchange data and information with devices like solar panels, batteries, energy management systems, or monitoring devices. This communication allows for real-time monitoring, control, and optimization of the solar power system's performance.

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