ZQ-OG-Z1

10–20kW Off-Grid Three-Phase High-Voltage Hybrid Inverter
High-voltage three-phase hybrid inverter engineered for commercial and industrial off-grid energy systems. The ZQ-OG-Z1 combines high-voltage battery storage, solar PV, grid support and advanced three-phase load management for reliable C&I hybrid power applications.
Power Range
10–20kW
Max Efficiency
Up to 98.2%
Battery Voltage
125–800V
MPPT
2 MPPT
Switching Time
<10ms
Protection
IP65
Off-Grid Three-Phase High-Voltage Battery C&I Energy

Reliable Off-Grid Energy.
Built for Commercial Power.

High-efficiency SiC power technology, flexible high-voltage battery integration, three-phase unbalanced output and scalable parallel operation for demanding commercial and industrial installations.
01

98.2% Efficiency

Silicon carbide power conversion technology provides maximum efficiency of up to 98.2%.

02

100% Unbalanced Output

Supports full three-phase unbalanced output and flexible single-phase loads on individual phases.

03

Dual Battery Branches

Two independent battery branches support new and old battery mixing across a 125–800V range.

04

Dual MPPT

Two MPPT channels operate across 130–850V with two strings supported on each MPPT.

05

200% Grid Input

High grid input capability supports load supply and battery charging at the same time.

06

Parallel Expansion

Up to six inverter units can operate in parallel for scalable commercial system capacity.

Available Power Configurations.

Five three-phase power configurations from 10kW to 20kW for commercial, industrial and remote off-grid systems.
Model Rated Power Peak Power Rated Current Max Grid Input Grid Current Max PV Input
ZQ-OG-Z1-10K 10 kW 11 kVA / 60s 15 A 20 kVA 29 A 20 kWp
ZQ-OG-Z1-12K 12 kW 13.2 kVA / 60s 18 A 24 kVA 35 A 24 kWp
ZQ-OG-Z1-15K 15 kW 16.5 kVA / 60s 22.5 A 30 kVA 44 A 30 kWp
ZQ-OG-Z1-18K 18 kW 19.8 kVA / 60s 27 A 36 kVA 52 A 30 kWp
ZQ-OG-Z1-20K 20 kW 22 kVA / 60s 30 A 40 kVA 58 A 30 kWp

Technical Specifications.

Core AC, PV, battery, efficiency, communication and environmental specifications for the ZQ-OG-Z1 series.
Rated Voltage
3/N/PE, 220/380Vac, 230/400Vac
Rated Frequency
50 / 60 Hz
Output THDu
<3%
Switching Time
<10 ms
Grid Voltage Range
184–276V / 320–480V
Grid Input
Up to 40kVA / 58A depending on model
Max PV Input
20–30 kWp depending on model
Max PV Voltage
1000 V
Start-up Voltage
130 V
MPPT Range
130 – 850 V
MPPT Quantity
2 MPPT (2 strings per MPPT)
Rated PV Voltage
600 V
Max PV Current
25A / 25A
PV Short Circuit
30A / 30A
Battery Types
Lithium / Lead-acid / Sodium
Battery Branches
2 independent branches with new / old battery mixing
Battery Voltage
125 – 800 V
Battery Current
25A + 25A
Max Efficiency
98.2%
EU Efficiency
97.7%
Battery Efficiency
97.8%
Dimensions
573 × 509 × 219 mm
Weight
35 kg
Noise
<45 dB(A)
Temperature
-25°C ~ +60°C (derating above 40°C)
Altitude
Up to 5,000 m (derating above 3,000m)
Cooling
Smart fan cooling
Protection
IP65
Parallel Operation
Up to 6 units
Unbalanced Output
100% three-phase unbalanced output
Communication & HMI

RS485 · CAN · DRED · Dry Contact · Parallel Communication · LED · WiFi · 4G · Bluetooth · RS485

Smart Features

100% three-phase unbalanced output · two independent battery branches · new / old battery mixing · 1.5–2× PV oversizing · up to 200% grid input power · up to six units in parallel

Protection

DC switch · overvoltage and overcurrent protection · AC short-circuit protection · anti-islanding protection · residual current protection · insulation impedance monitoring · surge protection · lightning protection · PV and battery reverse polarity protection

Certification

CE certified for EMC & LVD. Specific market and grid certifications should be confirmed according to the target project requirements.

Commercial Off-Grid Applications.

Designed for commercial and industrial off-grid power, three-phase hybrid storage, remote infrastructure and diesel replacement.
01 Commercial & Industrial Off-Grid Power Systems
02 Three-Phase Hybrid Solar + Storage Systems
03 Factory, Farm & Rural Power Supply
04 Telecom & Base Station Backup
05 Microgrids & Remote Communities
06 Diesel-Off-Grid Replacement Projects
ZQ-OG-Z1 Off-Grid Three Phase Hybrid Inverter Enlarged
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