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Off-grid inverters are designed to manage the entire power supply in systems that operate without a grid connection. Energy from renewable sources, like solar panels, is used to charge a battery bank via a charge controller. The off-grid inverter then draws power from these batteries and converts it into AC to supply connected loads. Many modern off-grid inverters include advanced features such as load management, battery protection, and real-time system monitoring, ensuring optimal performance and long-term reliability.
Additionally, off-grid inverters often include a built-in transfer switch or generator input to integrate backup generators into the system. This ensures uninterrupted power supply during periods of low battery charge or insufficient renewable energy generation. Some models are also capable of managing multiple energy sources simultaneously, optimizing the use of available power.
A power inverter is an electronic device that converts direct current (DC) electricity into alternating current (AC) electricity. AC power is the standard type of electricity used by most household appliances, electronics, and systems, while DC power is typically found in sources like batteries, solar panels, and certain electrical systems.
DC Input: The inverter takes DC electricity as input, which is typically from a battery, solar panel, or other DC sources.
Conversion Process: Using electronic components such as transistors, diodes, and capacitors, the inverter switches the DC input at a high frequency to create AC. The process involves a series of oscillations to generate a waveform.
AC Output: The inverter provides an AC output that can be used to power household appliances, power tools, and other AC-powered devices.
Modified Sine Wave Inverters:
These provide a basic "choppy" waveform that is suitable for many non-sensitive devices, such as lights, fans, and small tools. However, they can cause issues with sensitive electronics because of the waveform's irregularities.
Pure Sine Wave Inverters:
These provide a clean and smooth AC waveform, similar to what is delivered by the electrical grid. Pure sine wave inverters are ideal for powering sensitive electronics like computers, televisions, and medical equipment, as they prevent damage from power fluctuations.
Square Wave Inverters:
These generate a simple square waveform. They are the least common and least efficient, often used only for basic applications where power quality is not a concern.
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THD<10% under standard load -
Multiple protection for safer use -
Switch time <10 m(to off grid mode)
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Generator automatic start/stop function
Basic application
The system can use PV energy to power loads when grid is unavailable, minimizing the use of generator. Excessed PV energy can be stored in batteries and provide backup power during outages. Compensating with a generator to avoid power shortage issue.
Backup power scheme
It can be used as a stable and reliable backup power source, using photovoltaic energy to charge the batteries and seamlessly switching to standby mode in milliseconds to power critical equipment in the event of a grid failure. Coupled with a generator, it is possible to increase the amount of time spent off-grid at night.
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Technical Parameter
+AP Pure Sine Wave Inverter & Charger nverter
OutputModel 2000W 3000W Continuous Output Power 2000W 3000W Surge Rating (20S) 6000W 9000W Capable of Starting Electric Motor 2HP 3HP Output Waveform Pure Sine wave /Same as input(Bypass Mode) Nominal Efficiency >88%(Peak) LineMode Eficiency >95% Power Facor 0.9-1.0 Nominal Output Voltage ms 120Vac Output Voltage Regulation ±10%RMs Output Frequency 50Hz±0.3Hz 160Hz±0.3Hz ShortCircuit Protection Yes,Current Limit Function(Fault after 1 seg) Typical transfer Time 10ms(Max) THD <10% DC Input Nominal Input Voltage 12.0Vdc/24.0Vdc/48.0Vdc Minimum Start Voltage *2 for 24Vdc/*4 for 48Vdc/*8 for 96Vdc Low Battery Alarm Low Battery Trip High Voltage Alarm & Fault High DC Input Recovery Low Battery voltage recover Idle Consumption-Search Mode <25W when Power Saver On Charger Input VoltageRange Wide:90~135VAC/164-243VAC Normal:100-135VAC/194-243VAC Output Vohage Depends on battery type Charger Breaker Rating 10A 20A Max Charge Rate 35A/70-90A Max(Charger CurrentControl) Over Charge Protetion Shudown 15.7V for 12Vdc(*2 for 24Vdc,*4for48Vdc) Charger curve(4 stageconstant current)4Step Digital Controlled Progressive Charge Battery types(2 for 24Vdc,*4 for 48Vdc) Battery type Float Vdc Gel U.S.A 13.7 A.G.M1 13.4 A.G.M2 13.7 Sealed Lead Acid 13.6 GelEuro 13.8 Open Lead Acid 13.3 Calcium 13.6 De-sulphation 15.5 for4hrs Remote Contro Yes.Optional Bypass&
ProtectionInput Voltage Waveform Sine wave (Gndor Generator) Nominal Voltage 120Vac or 230Vac Low Voltage Trip 80V/90V±4% or 184V/154V±4% Low Volagere engage 90V/100V±4% or 194V/164V±4% High Voltage Trip 140V±4% or 253V±4% High Voltagere engage 135V±4% or 243V±4% Max Input AC Voltage 150VAC or 270VAC Nominal Input Frequency 50Hzor 60Hz(Auto detect) Low Freq Trip 47±0.3Hz for 50Hz,57±0.3Hz for 60Hz Low Freq re engage 48±0.3Hz for 50Hz,5840.3Hz for 60Hz High Freq Trip 55±0.3Hz for 50Hz,65±0.3Hz for 60Hz High Freq reengage 54±0.3Hz for 50Hz.64±0.3Hz for 60Hz Output Short dircuit protection Circuit breaker Bypass breaker rating 20A 30A Transfer switch rating 30amp for UL&TUV 270VAC Max bypass current 40amp Mechanical
SpecificationMounting Wall mount Dimensions(L*W*H ) 442*218*179mm Inverter Weight 20KG 24KG Shipping Dimensions(L*W*H) 580*315*300mm Shipping Weight 22KG 26KG Display Status LEDs/Status LEDs+LCD Standard Wamanty 1 Year
