Deye Three Phase HV Hybrid Inverter 30KW

39kW of solar input. 30kW of output. By design. When a manufacturer sells an inverter that accepts more solar power on the input side than it outputs on the AC side, that's a deliberate engineering decision — not a mistake. The Deye SUN-30K-SG01HP3-EU is rated for 39kW of DC solar input feeding a 30kW AC output, a 1.3 DC/AC ratio that's specifically designed for sites where solar generation is the primary energy source rather than a supplement to grid power. Oversizing the PV array means the system spends more hours each day operating closer to rated output — capturing more energy in low-light conditions, on cloudy mornings, and through the shoulders of the solar day, rather than only at midday peaks. This is commercial-grade hardware. 30kW three-phase output (220/380V or 230/400V), three independent MPPT trackers with two strings each, a 200A continuous AC passthrough capacity, up to 97.6% maximum efficiency, and operating temperatures from -40°C to +60°C. 100% unbalanced output allows up to 50% rated power on a single phase — useful where loads aren't evenly distributed across three phases (which on most real commercial sites, they aren't). The HV battery architecture is the other major design choice. Battery voltage operates between 160V and 800V — far higher than the 48V used in residential systems. The advantages at this scale are real: lower current flow at the same power level means less resistive heating, smaller-diameter conductors, and improved overall system efficiency. HV battery banks also tend to be more compact per kWh of storage. The trade-off is cost and battery selection — HV battery stacks are not the mass-market residential units found in most retail catalogues, so battery sourcing needs to be planned alongside the inverter purchase. For sites running serious infrastructure, the parallel capability scales the system meaningfully: up to 10 inverters in parallel for a total system capacity of 300kW of three-phase output, with multi-battery-bank parallel support on the DC side. Why HV at this size class: Less resistive loss — higher voltage carries the same power at lower current, so less energy is wasted as heat in cables and connectors Smaller-diameter conductors — meaningfully cheaper DC cabling on large-system installations More compact battery storage — HV battery banks generally take less physical space per kWh than equivalent 48V banks Better efficiency at scale — the architecture is purpose-built for sites where battery capacity runs into the tens of kWh and the inverter is moving real power continuously If your project is residential or light commercial with mainstream 48V batteries, the LV variants in Deye's range are likely the better fit. The HV 30kW is for projects where the maths on HV pays off. Key Features 30kW three-phase AC output (220/380V or 230/400V), with 100% unbalanced output capability 39kW max DC input — supports 1.3 DC/AC PV oversizing for solar-led system design 3 MPPT trackers with 2 strings per tracker — flexibility for split arrays across different roof orientations HV battery architecture — 160V to 800V battery voltage range 200A continuous AC passthrough (grid to load) Up to 97.6% maximum efficiency Parallel up to 10 units — scales to 300kW total three-phase system capacity AC coupling capable — retrofit into existing solar installations Multi-battery parallel support on the DC side Peak power 1.5x rated for 10 seconds in off-grid operation — handles motor inrush Anti-islanding, RCMU, surge, insulation resistor detection, polarity protection built in Operating temperature -40°C to +60°C (derates above 45°C)

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