Deye SUN-18K-SG05LP3-EU-SM2 hybrid inverter

Deye SUN-18K-SG05LP3-EU-SM2 is a three-phase hybrid inverter that forms a key component of modern photovoltaic systems, enabling efficient solar energy production and intelligent energy storage management. Designed for reliability and maximum performance, this inverter is an ideal choice for homes and businesses seeking to increase energy independence, optimize energy consumption, and gain flexibility in power management.

The Deye SUN-18K-SG05LP3-EU-SM2 inverter stands out for its ability to operate both on-grid and off-grid, offering versatile applications. Its architecture allows connection of low-voltage 48 V batteries, including lead-acid or lithium-ion batteries, with transformer isolation ensuring enhanced safety. The device features auto-adaptation to the battery management system (BMS), guaranteeing optimal cooperation and extending the battery lifespan, which can operate within a voltage range of 40 to 60 V. For the SUN-18K-SG05LP3-EU-SM2 model, the maximum charging and discharging current reaches an impressive 330 A. Additionally, it offers six programmable charging and discharging periods, allowing precise adjustment to individual energy needs, and supports energy storage from a diesel generator, providing comprehensive power management.

This Deye hybrid inverter enables parallel operation of up to ten units, both on-grid and off-grid, and supports the connection of multiple batteries in parallel to increase system capacity. The device provides 100% unbalanced power on each phase, with a maximum output power reaching up to 50% of the rated power per phase. The rated active and apparent AC power for the Deye SUN-18K-SG05LP3-EU-SM2 is 18,000 W. In off-grid mode, the inverter can deliver peak power twice the rated power for 10 seconds. The PV inputs feature a wide MPPT voltage range from 160 to 650 V and a high starting voltage of 160 V, with a maximum PV input voltage of 800 V. The inverter has two MPPT ports with two or four strings (2/2+2), maximizing solar energy harvesting, with a maximum PV input power of 28,800 W and a maximum PV access power of 36,000 W. Its impressive efficiency includes a maximum efficiency of 97.6%, a European efficiency of 97.0%, and over 99% MPPT efficiency, demonstrating the device’s exceptional performance.

User safety of the Deye SUN-18K-SG05LP3-EU-SM2 is a priority, confirmed by an integrated set of advanced protections. These include DC reverse polarity protection, AC overcurrent output, AC surge protection, AC short circuit protection, thermal protection, insulation impedance detection, DC component monitoring, residual current circuit breaker (AFCI) and DC switch, as well as anti-islanding protection and residual current detection. The transformerless topology combined with intelligent air cooling and a low noise level below 55 dB(A) ensures quiet and reliable operation. Environmental resistance is confirmed by an IP65 protection rating, allowing safe outdoor installation within a wide temperature range from -40°C to +60°C (with power derating above 45°C).

System monitoring and management are intuitive thanks to the built-in LCD display and various communication interfaces, such as WIFI, RS485, and CAN. The inverter complies with the relevant EU harmonized directives, including the Low Voltage Directive (LVD) 2014/35/EU, the Electromagnetic Compatibility Directive (EMC) 2014/30/EU, and the RoHS Directive 2011/65/EU.

Deye SUN-18K-SG05LP3-EU-SM2 is a comprehensive, highly efficient, and safe solution that forms the backbone of a modern and reliable photovoltaic installation, providing intelligent energy management for your home or business.