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A DC/AC converter converts direct current (DC) from batteries or solar panels into standard 220 V alternating current (AC). Such inverters ensure stable operation of all electrical appliances without the risk of damage. The total harmonic distortion (THD) in high-quality models is less than 3%, which guarantees a pure sine wave identical to the utility grid.
Why a pure sine wave is required
A modified sine wave is suitable only for simple loads. Sensitive equipment (medical devices, pumps, compressors, audio systems) requires a pure sine wave. Only a DC/AC inverter with THD < 3%:
- protects against voltage fluctuations and electromagnetic interference;
- reduces noise and heating of devices;
- extends the service life of motors and electronics;
- allows starting equipment with high inrush current (up to 200% of rated power).
Where pure sine wave inverters are used
- Off-grid systems: country houses, camping, solar power stations
- Medical equipment: ventilators, ultrasound devices, patient monitors
- Industry: CNC machines, servers, telecommunications
- Audio/video: amplifiers, speakers, televisions
Types of inverters
| Series | Power | Sine wave type | Additional features |
|---|---|---|---|
| Modified sine | 100–2500 W | modified | basic protection |
| Pure sine wave | 200–3000 W | pure (THD < 3%) | short-circuit, overload, and overtemperature protection |
| Pure sine + charger | 1500–3000 W | pure (THD < 3%) | charging from the grid and solar panels, UPS and energy-saving modes |
All models comply with international electrical safety and EMC (electromagnetic compatibility) standards. Order a MEAN WELL DC/AC inverter with delivery across Ukraine – guaranteed quality and full compatibility with any equipment.