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

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:How does a solar inverter handle voltage flicker in the grid?
A solar inverter handles voltage flicker in the grid by continuously monitoring the grid voltage. When it detects a flicker, it adjusts its output power accordingly to stabilize the voltage and maintain a consistent power supply to the connected loads. This helps prevent disruptions and ensures a smooth operation of the grid.
Q:What are the methods of photovoltaic grid-connected inverter control
and can set the dead time between the upper and lower arms, the use of INTEL 80C196MC to achieve sine wave output circuit, 80C196MC to complete the sine wave signal, AC output voltage, to achieve regulation. Circuit output generally use LC circuit filter high frequency wave, get pure sine wave.
Q:What is the power factor of a solar inverter?
The power factor of a solar inverter typically refers to the ratio of the real power to the apparent power consumed by the inverter. It represents the efficiency of the inverter in converting DC power from the solar panels into AC power for use in the electrical grid. A high power factor indicates a more efficient inverter that minimizes reactive power losses.
Q:How do you calculate the total power capacity for a solar inverter?
To calculate the total power capacity for a solar inverter, you need to consider the maximum power output of the solar panels. This value is typically given as the DC power rating in watts. The inverter capacity should be equal to or slightly higher than the total DC power rating of the connected solar panels. This ensures optimal performance and avoids any power loss. Additionally, other factors such as the inverter's efficiency, temperature derating, and future expansion plans should also be taken into account when determining the total power capacity for a solar inverter.
Q:How is the size of a solar inverter determined?
The size of a solar inverter is typically determined by the total capacity of the solar panels it needs to handle. The inverter should have a capacity slightly higher than the total wattage of the solar panels to ensure efficient conversion of the DC power produced by the panels into usable AC power for household or grid consumption.
Q:What is maximum power point tracking (MPPT) in a solar inverter?
Maximum Power Point Tracking (MPPT) in a solar inverter is a technique used to optimize the energy output of a solar panel system by continuously tracking and adjusting the operating point of the panels to ensure they are operating at their maximum power point. This is achieved by dynamically adjusting the voltage and current levels to match the changing environmental conditions and load requirements, allowing the solar panels to produce the maximum amount of power available at any given time.
Q:What is the purpose of a solar inverter in a solar power system?
The purpose of a solar inverter in a solar power system is to convert the direct current (DC) electricity produced by solar panels into alternating current (AC) electricity, which is the type of electricity used in most household appliances and the power grid.
Q:How does a solar inverter handle grid voltage variations?
A solar inverter handles grid voltage variations by constantly monitoring the grid voltage and adjusting its output accordingly. It uses complex algorithms to regulate the voltage and frequency of the electricity it feeds into the grid, ensuring it matches the varying grid voltage. This allows the solar inverter to maintain a stable and consistent power output, regardless of any fluctuations in the grid voltage.
Q:Can a solar inverter be used in countries with different electrical standards?
Yes, a solar inverter can be used in countries with different electrical standards. However, it may require certain modifications or additional equipment to ensure compatibility with the specific electrical standards of that country.
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 come with built-in monitoring capabilities or can be easily integrated with external monitoring systems. These monitoring systems allow users to track the performance of their solar panels, monitor energy production, and detect any potential issues or faults in real-time. This helps users optimize their solar energy generation and ensure the system is operating efficiently.

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