Pure Sine Wave Inverter/Power Inverter 300W, DC 12V to AC 220V/230V STI 300
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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:
Model | STI300-12-220 | STI300-24-220 |
STI300-12-230 | STI300-24-230 | |
Nominal battery voltage | 12V | 24V |
Input voltage range | 10.5~16V | 21~32V |
Consumption no load(ON) | ≤5W | ≤6W |
Consumption no load (Saving) | ≤2W | ≤2W |
Output voltage | AC220/230V±3% | |
Continuous power | 300VA | |
Power 10sec | 450VA | |
Power 1.5sec | 600VA | |
Surge power | 960VA | |
Output mode | Single Phase | |
Wave form | Pure Sine Wave | |
Frequency | 50Hz±0.2% | |
Distortion THD ( resistive load) | ≤ 3% | ≤ 2% |
Efficiency at rated power | ≥81% | ≥87% |
Max. efficiency | ≥90% | ≥91% |
Dimension | 315*166*101mm | |
Net weight | 5.3kg | |
Working temperature | -20℃~ +50℃ | |
Humidity | < 95%（non-condensation） | |
Altitude | < 5000m(Derating to operate according to IEC62040 at a height exceeding 1000 m) | |
FAQ
Q1:Can we visit your factory?
A1:Sure,welcome at any time,seeing is believing.
Q2:Which payment terms can you accept?
A2:T/T,L/C,Moneygram,Paypal are available for us.
- Q:What is the role of reactive power injection in a solar inverter?
- The role of reactive power injection in a solar inverter is to help maintain the stability and quality of the electrical grid. Reactive power is required to regulate voltage levels and compensate for any imbalances or fluctuations in the grid. By injecting reactive power, a solar inverter can ensure that the power generated from the solar panels is in sync with the grid's voltage and frequency, helping to maintain proper power flow and prevent potential issues such as voltage sags or surges.
- Q:What is the role of a solar inverter in preventing electrical faults?
- The role of a solar inverter in preventing electrical faults is to convert the direct current (DC) generated by solar panels into alternating current (AC) that can be used by appliances and the electrical grid. By regulating and controlling the flow of electricity, a solar inverter ensures that the voltage and frequency levels are within acceptable limits, preventing overloading, overheating, and electrical faults that could potentially damage the system or cause safety hazards.
- Q:Can a solar inverter be used in regions with high levels of air pollution?
- Yes, a solar inverter can be used in regions with high levels of air pollution. Air pollution does not directly impact the functioning of a solar inverter. However, it is important to regularly clean and maintain the solar panels to ensure optimal performance, as air pollution can accumulate on the surface of the panels and reduce their efficiency.
- Q:How does a solar inverter handle voltage sag or drop in the grid?
- A solar inverter handles voltage sag or drop in the grid by constantly monitoring the grid voltage. When it detects a drop in voltage, it adapts its operation to ensure that the output voltage from the solar panels matches the grid voltage, thereby stabilizing and compensating for the voltage sag or drop. This helps to maintain a consistent and reliable power supply from the solar panels to the grid.
- Q:What is the maximum output voltage of a solar inverter?
- The maximum output voltage of a solar inverter is typically determined by the specific model and specifications of the inverter being used. It can vary depending on factors such as the size and configuration of the solar array it is connected to. Generally, for residential solar installations, the maximum output voltage of a solar inverter can range from 230V to 240V for single-phase systems, and up to 400V for three-phase systems.
- Q:Can a solar inverter be used with dual MPPT inputs?
- Yes, a solar inverter can be used with dual MPPT inputs. Dual MPPT (Maximum Power Point Tracking) inputs allow the inverter to optimize the power output from two separate solar arrays or strings, maximizing energy production even if the panels have different orientations or shading conditions. This feature is particularly useful in situations where there are multiple arrays with varying characteristics.
- Q:What is the maximum short-circuit current that a solar inverter can handle?
- The maximum short-circuit current that a solar inverter can handle varies depending on the specific model and design. However, most solar inverters are designed to handle short-circuit currents ranging from 500 Amps to 10,000 Amps, depending on the size and capacity of the inverter.
- Q:What is the role of a power optimizer in a solar inverter?
- The role of a power optimizer in a solar inverter is to maximize the energy output of each individual solar panel by constantly monitoring and optimizing its performance. It ensures that each panel operates at its maximum power point, regardless of shading, dirt, or other factors that may affect the overall system performance. By individually optimizing each panel, a power optimizer can significantly increase the overall energy production of a solar system.
- Q:What is the power factor correction capability of a solar inverter?
- The power factor correction capability of a solar inverter refers to its ability to adjust the power factor of the electricity it produces. A power factor is a ratio that measures the efficiency of electrical power usage, with a value between 0 and 1. A solar inverter with good power factor correction capability can optimize the power factor towards unity (1), which indicates maximum efficiency. This helps in minimizing reactive power and reducing energy wastage, resulting in a more efficient and effective utilization of solar power.
- Q:Can a solar inverter be used with different types of grounding systems?
- Yes, a solar inverter can be used with different types of grounding systems. Solar inverters are designed to be flexible and adaptable to various electrical systems and grounding configurations. They can be used with grounded, ungrounded, or impedance grounded systems, allowing for compatibility across different types of grounding systems.
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Pure Sine Wave Inverter/Power Inverter 300W, DC 12V to AC 220V/230V STI 300
- 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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