
MP-SG3300UD-3017
The China Moneypro SG3300UD-20 is engineered for high-power, high-efficiency, and utility-scale photovoltaic applications. Designed specifically for modern 1500Vdc PV systems, it combines advanced three-level power conversion, robust thermal management, and intelligent monitoring to ensure maximum energy yield, reduced operating costs, and long-term system reliability even in harsh, high-temperature environments.
Unlock Maximum Utility-Scale Solar Potential
The China Moneypro SG3300UD-20 is engineered for high-efficiency, reliable, and cost-effective utility-scale PV power generation. Designed for 1500Vdc systems, it delivers stable performance even under high-temperature conditions, ensuring maximum energy capture for large-scale solar farms.
Superior Energy Harvesting
Advanced Three-Level Conversion
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Three-level inverter technology provides up to 99% efficiency.
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Optimized cooling enables full power operation at 52??C, ensuring consistent output.
Advantages:
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Captures more energy from PV modules
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Maintains performance in hot climates
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Maximizes return on investment
Smart Operations & Maintenance
Intelligent System Monitoring
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Integrated zone monitoring allows real-time diagnostics and online troubleshooting.
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Modular design simplifies maintenance, reducing downtime and labor costs.
Benefits:
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Quick fault detection and repair
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Minimal operational interruption
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Simplified O&M for large PV arrays
Economical Deployment
Lower Cost Installation
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Outdoor-ready design reduces transportation and installation complexity.
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DC 1500V system compatibility lowers overall system cost.
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Optional Q-at-night function enhances efficiency during low-light periods.
Reliable Grid Integration
Seamless Connection to Utilities
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Compliant with IEC 61727 and IEC 62116 standards.
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Supports Low/High Voltage Ride Through (L/HVRT).
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Enables active and reactive power control with controlled ramp rates.
Benefits:
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Ensures grid stability
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Meets international compliance standards
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Supports advanced utility grid management
Why Choose China Moneypro SG3300UD-20?
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High Reliability: 1500Vdc design with robust outdoor operation
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Maximized Efficiency: Three-level conversion for optimal energy output
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Compliance Assured: Meets international grid codes
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Lower Installation Costs: Outdoor-ready design simplifies deployment
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Easy Maintenance: Modular structure and smart monitoring reduce downtime
Key Specifications
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Max PV Input Voltage: 1500 V
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AC Output Power: 3300 kVA
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Nominal AC Voltage: 660 V
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Maximum Efficiency: 99%
Typical Applications
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Utility-Scale PV Plants: High-efficiency inverter reduces total system costs
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Grid Integration: Supports reactive power dispatch and voltage regulation
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Harsh Environments: Maintains reliable operation even in high temperatures
FAQ ?C Common Questions
Q1: How does SG3300UD-20 increase yield?
Through advanced three-level technology and optimized thermal management, it captures maximum solar energy.
Q2: How is maintenance simplified?
The modular design and zone monitoring allow quick diagnosis and fast repairs.
Q3: Can it handle voltage fluctuations?
Yes, it supports L/HVRT and active/reactive power control, ensuring grid stability.
Q4: Is this inverter suitable for outdoor use?
Absolutely. The outdoor-ready design simplifies installation and reduces costs.
Q5: Does it save energy during low-sun periods?
Yes. The optional Q-at-night function improves efficiency during low irradiance periods.
Specifications
| Type designation | SG3300UD-20 | |
| Input (DC) | ||
| Max. PV input voltage | 1500 V | |
| Min. PV input voltage / Startup input voltage | 938 V / 950 V | |
| MPP voltage range | 938 V – 1500 V | |
| No. of independent MPP inputs | 3 | |
| No. of DC inputs | 15 ( optional: 21 ) | |
| Max. PV input current | 3 * 1435 A | |
| Max. DC short-circuit current | 3 * 3528 A | |
| PV array confguration | Negative grounding or foating | |
| Output (AC)
AC output power |
3300 kVA @ 52 ℃, 3960 kVA @ 23 ℃ | |
| Max. AC output current | 3 * 1155 A | |
| Nominal AC voltage | 660 V | |
| AC voltage range | 561 V – 726 V | |
| Nominal grid frequency / Grid frequency range | 50 Hz / 45 Hz – 55 Hz, 60 Hz / 55 Hz – 65 Hz | |
| Harmonic (THD) | < 1.5 % ( at nominal power ) | |
| Power factor at nominal power / Adjustable power factor | > 0.99 / 0.8 leading – 0.8 lagging | |
| Feed-in phases / AC connection | 3 / 3 | |
| Effciency | ||
| Max. effciency / European effciency | 99.0 % / 98.7 % | |
| Protection & Function | ||
| DC input protection | Load break switch + fuse | |
| AC output protection | Circuit breaker | |
| Surge protection | DC Type II / AC Type II | |
| Grid monitoring / Ground fault monitoring | Yes / Yes | |
| Insulation monitoring | Yes | |
| Surge protection | Yes | |
| Q at night function | Optional | |
| General data | ||
| Dimensions (W*H*D) | 2340 mm * 2300 mm * 1550 mm | |
| Weight | 2.5 T | |
| Topology | Transformerless | |
| Degree of protection | IP65 | |
| Night power consumption | < 200 W | |
| Operating ambient temperature range * | -35 ℃ – 60 ℃ | |
| Allowable relative humidity range | 0 – 100 % | |
| Cooling method | Temperature controlled forced air cooling | |
| Max. operating altitude | 4000 m (> 2000 m derating) | |
| Display | LED Indicators, Ethernet+WebHMI | |
| Communication | Standard: RS485, Ethernet | |
| Compliance | CE, IEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683 | |



