The EA990 series features 150kVA-600kVA online double conversion three-input three-output high-frequency UPS power supplies, designed with full digital control technology. The rectifier employs IGBT rectification, enhancing input power factor and reducing input harmonic current. This series boasts excellent electrical performance, comprehensive hardware and software protection functions, and can adapt to various grid environments, providing a safe and reliable power supply for a wide range of loads.