320K Grid-Forming Inverter

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Features:

As a professional solar wholesale supplier, we offer the Hopewind HSHV320K — a pioneering grid-forming inverter certified as national key energy equipment, built for large-scale renewable projects. It delivers high-efficiency power generation, active grid support and reliable performance, with standout advantages:
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Description:

Core Functional Features

1. High-Efficiency Conversion: Up to 99% max efficiency, 8 independent MPPT channels (65A per channel), fully compatible with 182/210 high-power PV modules; built-in PID recovery boosts system yield, supports 45℃ full-load operation.
2. Advanced Grid-Forming Tech: Voltage source control design, enables black start and seamless grid-tied/island mode switching; provides grid inertia, frequency modulation and voltage support to stabilize weak grids.
3. Durable & Safe Design: IP66 protection + optional C5 anti-corrosion, suitable for harsh environments; full electrical protection (surge, arc fault, over-temperature) and IV curve fault detection for stable long-term operation.
4. Low O&M & Cost-Effective: Intelligent fan cooling with reverse dust removal, modular structure for easy maintenance; supports 4G/PLC/RS485 communication, large-capacity cable access to cut project costs.

Key Technical Specifications

Parameter Category Detailed Specification
Model 320K-D01
DC Side Parameters Max Input Voltage: 1500V

Startup Voltage: 550V

Working Voltage Range: 500V~1500V

MPPT Quantity: 8 channels

65A Max Input Current per MPPT

MPPT Input Strings: 8×4

Total 32 String Inputs

AC Side Parameters Rated Output Power: 320kW

Max Active Power (cosθ=1): 352.0kW

Rated Grid Voltage: 800V (3W+PE)

Rated Output Current: 230.9A

Max Output Current: 692.8A

3x Max Reactive Current Overload (1.25s duration)

Rated Grid Frequency: 50Hz

Power Factor: 0.8 leading ~ 0.8 lagging

Total Current Harmonic Distortion (THD): <3%

Efficiency Max Efficiency: 99.00%

China Efficiency: 98.50%

Protection & Core Functions DC/AC Level 2 Surge Protection, Insulation Resistance Detection

Residual Leakage Current Detection, String Connection Detection

DC Reverse Polarity Protection, Anti-Islanding Protection

AC/DC Terminal Over-Temperature Protection, Intelligent Isolating Switch

Built-in PID Recovery, Black Start Function

Grid-Following/Grid-Forming Mode Switching, Optional AFCI

General Parameters Protection Grade: IP66

Working Temperature Range: -40℃ ~ +60℃

Cooling Method: Intelligent Air Cooling

Max Operating Altitude: 4000m (derating required above 3000m)

Display: LED Indicator + Wi-Fi + Mobile APP

Communication: PLC / RS485 / 4G (optional)

DC Terminal: DC Connector

AC Terminal: OT / DT (supports max 400mm² wire)

Mechanical Parameters Dimension (W×H×D): 1135×919×418mm

Net Weight: ≤142kg

Operating Conditions

  • Suitable for indoor/outdoor utility PV installations; adapts to high temp, humidity, sand dust and coastal salt fog environments
  • Operating temperature: -40℃ to +60℃; max altitude ≤4000m (derating over 3000m)
  • Compatible with 50Hz three-phase grids, supports fault ride-through and high overload operation
  • Requires well-ventilated installation, ideal for large-scale PV project O&M scenarios

Application Scenarios

This 320kW grid-forming inverter is widely used in large-scale renewable energy projects, especially for high-proportion new energy access:
  • Utility-Scale PV Plants: Desert, Gobi and plain centralized solar stations (mass-applied in world’s first grid-forming PV plant)
  • Microgrid & Island Systems: Remote areas, islands and mining sites with off-grid/weak-grid power demand
  • New Energy Base Projects: Source-grid-load-storage integrated projects and renewable energy demonstration bases
  • Harsh-Environment Industrial PV: Plateau, coastal and high-pollution industrial park solar systems

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