Daisy Wu
1.High-Frequency Switching Circuit:
Uses power transistors such as MOSFETs or IGBTs for fast and efficient switching at high frequencies.
2.DC-DC Converter:
Steps up or steps down the DC input voltage to a desired level before inversion.
3.High-Frequency Transformer (Optional):
Provides isolation and adjusts the voltage to match the AC output requirements.
4.Control Circuit:
Regulates switching operations, ensuring proper waveform generation and stability.
5.Output Filter:
Smooths the high-frequency waveform into a clean, sinusoidal AC output.
Energy Conversion: Enables the use of DC power (from renewable energy sources or batteries) for typical household appliances that require AC.
Energy Storage: Allows the storage of energy in DC form (such as in batteries or solar systems) and later conversion to AC when needed.
Portability: Many inverters are portable, allowing DC-powered devices to be used in a wide range of environments, from homes to vehicles and outdoor locations.
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Built-in EMS management system -
THD<3% under standard load -
Multiple protection for safer use -
Switch time <8 m(to off grid mode)
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Generator automatic start/stop function
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Technical Parameter
+OPS 2KW-4KW Pure Sine Wave Inverter Input Item 2012E 3012E — 2024E 3024E 4024E Nominal voltage 12Vdc(*2 for 24Vdc) Operating range 10Vdc~15.1Vdc Startup voltage 11.75Vdc~14.8Vdc Load Level 0-29% 30-69% 70-100% Battery alarm level Battery-low Level 11.3Vdc 11.2Vdc 11.0Vdc Battery-high Level 14.1Vdc 14.0Vdc 13.8Vdc Battery
shut-down levelBattery-under Level 10.3Vdc 10.2Vdc 10.0Vdc Battery-over Level 15.1Vdc 15.0Vdc 14.8Vdc Battery
recovery levelBattery-under Recovery 12.5Vdc Battery-over Recovery 14.0Vdc Output Output Waveform Pure sine wave Output Power 2000W 3000W 4000W Surge Rating 2*Prated Nominal Output
Voltage220/230/240Vac Output Voltage
Regulation± 5%......when input voltage higher than battery-low level Output Frequency 50/60Hz±0.1% Output Current
@ 220/230/2409.10A /
8.70A /
8.34A13.65A / 13.05A / 12.51 A 18.18A / 17.39A / 16.67A Output Current
@110/115/120— Crest factor 3:01 THD <3%. linear load; <5%. non-linear load....at nominal Input voltage
<15%..........................................................at minimum cut-off (10Vdc) levelPeak Output Current
@ 220/230/24018.18A / 17.39A / 16.67 A 273A /
26.1A /
25.02A36.36A / 34.78A / 33.34A Peak Output Current @110/115/120 — Efficiency >88% (typical), 90% (peak) No load
Current Draw<30W <35W <40W Stand-by
Current Draw<10W <10W <10W Over load protection Refer to Sec.3.9 and Sec.3.10 Environmental Noise <50 dB Operating temperature Operation temperature: -20 to +70°C,-5 to +40 °C with full performance Storage temperature ‘-30-70°C Operating humidity 90% RH (no condense) Operating Attitude 1500m Safety ETL, UL-458, CE EMC FCC Part 15 Class B. EN55022 Class B. E-mark Mechanical Dimension LxWxH(mm) 411x285x107 mm 411x285x122 mm Weight (Kg) 8.0kg 8.8kg 8.8kg Force cooling Load and Temperature Controlled Cooling Fan Control Protection Overload, Short circuits, Reverse polarity. Over/ under input voltage, Over temperature, High output voltage, Low output voltage, Unit internal failure. Unit in-parallel failure Startup time < 5 Seconds Power Saving
Recovery Time5 Seconds Human
InterfaceLED Indicator 3-LED installed Audible Alarm Buzzer Communication
InterfaceRS232
