Schedule a Professional

Contact Form Demo
MP-X3-GRAND HV 300-350kW | Three Phase Ground-mounted String Inverter-3623

MP-X3-GRAND HV 300-350kW | Three Phase Ground-mounted String Inverter-3623

The China Moneypro X3‑GRAND HV Series is a high‑power three‑phase utility‑scale string inverter engineered for ground‑mounted solar power plants and large commercial PV installations. With high efficiency, flexible input architecture, advanced safety protections, and smart operational features, it delivers reliable energy yields and robust performance even in demanding outdoor environments.

Category:

Share your love

High‑Performance, Intelligent & Rugged Utility String Inverter

The China Moneypro X3‑GRAND HV Series is a high‑power three‑phase utility‑scale string inverter engineered for ground‑mounted solar power plants and large commercial PV installations. With high efficiency, flexible input architecture, advanced safety protections, and smart operational features, it delivers reliable energy yields and robust performance even in demanding outdoor environments.

Designed for Maximum Energy Harvest

Multi‑MPPT & Wide‑Range PV Input

  • Up to 6 MPPTs with multiple strings per tracker optimize PV array performance under diverse orientations and partial shading conditions.

  • DC input voltage range up to 1500 V supports utility‑scale system designs with reduced BOS costs.

  • High per‑MPPT current capability allows efficient capture from high‑power photovoltaic modules.

Benefits:

  • Enhanced daily energy harvest.

  • Greater flexibility in PV array configuration.

Intelligent Monitoring & Maintenance

Smart System Awareness

  • IV curve scanning enables detailed string performance diagnostics.

  • 24‑hour monitoring provides continuous visibility into system behavior.

  • Power line communication (PLC) option enables remote operations and supervision.

Advantages:

  • Faster fault detection and reduced maintenance effort.

  • Better remote system management.

Robust Safety & Reliability

Built for Outdoor Utility Scale

  • IP66 ingress protection ensures durability against dust and water ingress for harsh outdoor environments.

  • AC terminal temperature detection enhances operational safety.

  • Optional AFCI (Arc Fault Circuit Interrupter) and PID mitigation help protect the system from electrical faults and degradation.

  • Type II SPD protection available on both DC and AC sides (with optional Type I+II on DC).

Benefits:

  • High resistance to environmental stress and electrical anomalies.

  • Strong operational safety for utility deployments.

Why Choose China Moneypro X3‑GRAND HV?

  • High Efficiency: Up to ~99% conversion efficiency maximizes PV energy utilization.

  • Flexible MPPT Tracking: Multi‑MPPT architecture improves energy capture from complex PV layouts.

  • Wide Input Compatibility: Supports up to 1500 V DC and high current per MPPT.

  • Smart Operation & Maintenance: 24‑hour monitoring, IV curve scan, and optional PLC communication.

  • Robust Safety: IP66 rated enclosure with optional electrical protections suited for outdoor utility environments.

Typical Applications

  • Utility‑Scale Solar Farms: Ground‑mounted PV power plants requiring high‑power inverters.

  • Large Commercial & Industrial Plants: High capacity rooftop or ground PV systems.

  • Distributed Energy Projects: Multi‑site systems with advanced monitoring and O&M needs.

  • High Yield Optimization Projects: Installations requiring flexible MPPT tracking and durability.

FAQ – Common Questions

Q1: What power ranges are available in the X3‑GRAND HV Series?
This series offers multiple output ratings including 300 kW, 320 kW, 333 kW, and 350 kW for utility‑scale PV systems.

Q2: How many MPPTs does the inverter support?
The inverter supports up to 6 MPPTs with multiple strings per tracker for precise energy harvesting.

Q3: Is this inverter suitable for outdoor installations?
Yes — the IP66 rated enclosure ensures robust protection against dust and water, making it suitable for outdoor ground‑mounted projects.

Q4: What communication options are available for remote monitoring?
PLC (Power Line Communication) and remote monitoring features help support offsite diagnostics and operation.

Q5: What advanced safety features are included?
The inverter offers optional AFCI, PID mitigation, and Type II SPD protections in addition to AC terminal temperature detection.

Specifications

Parameter X3‑GRD‑300K‑HV X3‑GRD‑320K‑HV X3‑GRD‑333K‑HV X3‑GRD‑350K‑HV
PV INPUT
Max. recommended PV array power 450 kWp 480 kWp 499.5 kWp 525 kWp
Max. PV input voltage① 1500 V 1500 V 1500 V 1500 V
Rated PV input voltage 1080 V 1080 V 1080 V 1080 V
Operating voltage range② 500 ~ 1500 V 500 ~ 1500 V 500 ~ 1500 V 500 ~ 1500 V
Start‑up voltage 550 V 550 V 550 V 550 V
No. of MPP trackers / strings per MPP tracker 6 / 5 6 / 5 6 / 5 6 / 5
Max. input current per MPPT 75 A 75 A 75 A 75 A
Max. input short circuit current per MPPT 115 A 115 A 115 A 115 A
AC OUTPUT (ON‑GRID)
Rated output apparent power 300 kVA 320 kVA 333 kVA 350 kVA
Rated output current 216.6 A 231 A 240.3 A 252.6 A
Max. output apparent power 300 kVA 320 kVA 333 kVA 352 kVA
Max. output continuous current 216.6 A 231 A 240.3 A 254 A
Rated AC voltage 3W / PE, 800 V 3W / PE, 800 V 3W / PE, 800 V 3W / PE, 800 V
Rated AC frequency 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz
AC frequency range③ 50 ± 5 / 60 ± 5 Hz 50 ± 5 / 60 ± 5 Hz 50 ± 5 / 60 ± 5 Hz 50 ± 5 / 60 ± 5 Hz
Adjustable power factor range ~1 (0.8 lagging to 0.8 leading) ~1 (0.8 lagging to 0.8 leading) ~1 (0.8 lagging to 0.8 leading) ~1 (0.8 lagging to 0.8 leading)
EFFICIENCY
Max. efficiency 99.03% 99.03% 99.03% 99.03%
European weighted efficiency 98.80% 98.80% 98.80% 98.80%
PROTECTION & SAFETY
Ingress protection IP66 IP66 IP66 IP66
Over/under voltage protection, DC isolation protection, DC reverse‑polarity protection, grid monitoring, DC injection monitoring, back feed current monitoring, residual current detection, over temperature protection, AC overcurrent protection, AC short circuit protection Integrated Integrated Integrated Integrated
Surge Protection (DC/AC) Type II (Optional Type I + II on DC) Type II (Optional Type I + II on DC) Type II (Optional Type I + II on DC) Type II (Optional Type I + II on DC)
Arc‑Fault Circuit Interrupter (AFCI) Optional Optional Optional Optional
Anti‑PID Optional Optional Optional Optional
ENVIRONMENT LIMIT
Operating temperature range ‑30 ~ +60 °C ‑30 ~ +60 °C ‑30 ~ +60 °C ‑30 ~ +60 °C
Max. operating altitude 5000 m 5000 m 5000 m 5000 m
Relative humidity 4 ~ 100 %RH (condensing) 4 ~ 100 %RH (condensing) 4 ~ 100 %RH (condensing) 4 ~ 100 %RH (condensing)
GENERAL
Dimensions (W × H × D) 1225 × 825.5 × 369.1 mm 1225 × 825.5 × 369.1 mm 1225 × 825.5 × 369.1 mm 1225 × 825.5 × 369.1 mm
Net weight < 130 kg < 130 kg < 130 kg < 130 kg
Cooling concept Smart air cooling Smart air cooling Smart air cooling Smart air cooling
Communication interfaces RS485, PLC, USB, DRM, DI * 1 / DO * 1 RS485, PLC, USB, DRM, DI * 1 / DO * 1 RS485, PLC, USB, DRM, DI * 1 / DO * 1 RS485, PLC, USB, DRM, DI * 1 / DO * 1
Power consumption (night) 15 W 15 W 15 W 15 W
Topology Non‑isolated Non‑isolated Non‑isolated Non‑isolated
Certifications IEC 61727, IEC 62116, VDE 4110, VDE 4105, EN50549, NRS097, G99, RD1699, PPDS2020, CEI0‑21, CEI0‑16, VFR 2019 Same Same Same

Related products