MP-320/350kW SG320/350HX 3 Phase Multi-MPPT String Inverter-3402

Overcoming Solar Energy Challenges

Utility-scale and commercial solar plants often face rising BOS costs, inconsistent energy output, and time-consuming maintenance. Centralized systems create single points of failure, while smaller inverters increase cabling, installation complexity, and operational expenses. On top of that, dust buildup, tracking inefficiencies, and weak-grid instability can quietly reduce annual yield and profitability.

The China Moneypro SG320/350HX 3-Phase String Inverter is engineered to address these real-world challenges. By combining high-capacity string architecture with intelligent control and predictive diagnostics, it helps plant owners lower costs, increase generation, and operate safely at scale.

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Maximize Your Solar Yield

Smarter generation for higher annual output

Instead of simply converting power, this inverter actively optimizes how your plant performs. Its flexible large-block design supports 3.2–9MW configurations, reducing losses between strings and improving system efficiency.

AI-powered intelligent tracking control calculates the optimal tracker angle under varying weather conditions, helping modules capture more sunlight throughout the day. Combined with I-V diagnostics and automated cleaning triggers, the system continuously recovers lost performance caused by dust or mismatch.

User-focused benefits:

• Up to 1% extra energy from intelligent tracking optimization

• 2%+ additional yield through smart cleaning and diagnostics

• Reduced mismatch and string losses

• Higher annual kWh production per MW installed

• Greater revenue over the plant lifetime

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Safety and Reliability You Can Trust

24-hour protection for people and assets

Large solar plants require constant protection to prevent insulation faults, cable damage, or fire risks. This inverter integrates both AC and DC insulation monitoring to continuously assess system health and respond quickly to abnormalities.

Advanced detection technologies enable fast fault localization and proactive shutdown when necessary.

What this means for operators:

• Continuous electrical safety monitoring

• Rapid fault positioning and troubleshooting

• Reduced fire and shock risks

• Greater plant compliance and operational confidence

• Long-term stable performance

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Simplified Installation and User-Friendly Management

Lower BOS costs with flexible block architecture

The 3.2–9MW block design reduces the number of medium-voltage stations, transformers, and civil construction work required. Fewer devices mean simplified layouts and lower installation costs.

By combining high power density with modular scalability, EPC teams can deploy projects faster and manage sites more easily.

Advantages:

• Reduced BOS and infrastructure expenses

• Less cabling and fewer components

• Faster commissioning

• Streamlined plant design

• Easier long-term maintenance

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Smart Monitoring and Performance Insights

Intelligent O&M for modern solar farms

This inverter provides continuous system diagnostics, enabling predictive rather than reactive maintenance. Integrated I-V scanning identifies weak or underperforming strings, while smart software maintains stable output even in challenging grid conditions.

With strong grid adaptability (SCR ≥ 1.16), the inverter performs reliably in both weak and strong grids, reducing curtailment risks.

Operational benefits:

• Real-time performance visibility

• Faster troubleshooting

• Stable operation across diverse grid environments

• Reduced downtime

• Data-driven O&M decisions

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Applications

Utility-Scale Solar Farms

Ideal for multi-megawatt ground-mounted PV plants seeking a high-power 320kW–350kW three-phase string inverter with lower BOS costs.

Commercial & Industrial Facilities

Perfect for factories, logistics centers, and large commercial buildings requiring stable, high-capacity solar generation.

Tracker-Based Solar Projects

AI tracking optimization maximizes sunlight capture and improves ROI for tracking systems.

Weak Grid or Remote Areas

Enhanced grid adaptability ensures consistent output where grid conditions are unstable.

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FAQ – Everything You Need to Know

Q1: Why choose a high-power string inverter over a central inverter?
String architecture reduces single-point failures, improves redundancy, and simplifies maintenance while keeping large-block cost advantages.

Q2: How does this inverter increase energy yield?
AI tracking optimization, I-V diagnostics, and intelligent cleaning together boost overall annual production by 3% or more.

Q3: Can it operate in weak-grid environments?
Yes. Advanced control algorithms allow stable operation with SCR ≥ 1.16.

Q4: Does it help reduce maintenance work?
Absolutely. Automated diagnostics and smart cleaning reduce manual inspections and service visits.

Q5: Is safety monitoring included?
Yes. Continuous AC/DC insulation monitoring protects against cable faults, electric shock, and fire hazards.

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Why Choose China Moneypro

With a focus on efficiency, intelligent control, and plant-level reliability, China Moneypro delivers scalable inverter solutions tailored for modern utility and commercial solar projects. The SG320/350HX provides the ideal balance of high capacity, smart diagnostics, and cost efficiency—making it a dependable choice for anyone seeking a 320kW or 350kW utility-scale string inverter, three-phase solar inverter for large PV plants, or high-efficiency smart inverter with lower BOS cost and advanced safety monitoring.