DQNY-VFD Marine Propulsion InverterPower Supply
The DQNY-VFD Marine Propulsion Inverter is a high-power drive device engineered for the demanding requirements of large ship propulsion systems. It employs advanced vector control technology to achieve precise and smooth speed and torque regulation, compatible with both permanent magnet synchronous and asynchronous motors. The inverter boasts a high power density, efficiency exceeding 98%, and excellent adaptability to harsh marine environments.
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Its compact, modular design saves crucial space onboard and supports intelligent cooling for humid, salt-spray conditions. With support for multiple communication protocols like CANopen and PROFINET, along with integrated fault diagnosis and redundant control features, it ensures reliable and continuous operation for marine propulsion.
Core Advantages & Features
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Energy Efficiency EnhancementEnhances energy efficiency, reducing fuel consumption and emissions.
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Fast Dynamic ResponseFast dynamic response for smooth propulsion and improved maneuverability.
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Low Lifecycle CostsModular design and predictive maintenance reduce lifecycle costs.
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High System CompatibilityHigh compatibility for easy integration with existing ship systems.
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Technical Parameters
| Basic Parameters | |
|---|---|
Duty cycle | S1 (continuous operation） |
| Type | AFE |
| Input voltage | 690 V |
| Rated input frequency | 50±5% Hz |
| Rated output voltage | 0～690 V (synchronized with propulsion motor input power) |
| Maximum ambient temperature | 45 ℃ |
Maximum ambient humidity | 95% |
| Load type | AC asynchronous motor |
| Control method | Vector control |
| Output frequency range | 0～120 Hz (adjustable by user requirements) |
| Output power | Matches 1.1 times the rated power of main propulsion motor |
| Efficiency | ≥0.97 (under rated conditions) |
| Fundamental power factor | Approximately 0.98 |
| Comprehensive power factor | Approximately 0.93～0.96 |
| Dimensions (w*d*h) | 4000 mm * 1600 mm * 2130 mm |
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