Shore Power Supplies
Four-quadrant Shore Power Frequency Converter
A shore power converter with input and output transformers, supporting low- and high-voltage ship connections across 100–2000kVA capacity options.
Enquire About This Product01 / PRODUCT FEATURES
Product at a glance
Dual-CPU control
- The core controller uses a dual-CPU architecture with redundancy capabilities.
Marine load adaptation
- Maintains voltage and frequency under capacitive, inductive and mixed loads, with three-phase unbalanced operation support.
Modular maintenance
- Interchangeable power units can be removed, installed and replaced for maintenance.
Power transfer
- Supports synchronous connection and load transfer from either ship or shore side, with reverse-power protection.
IGBT conversion
- Uses IGBT inverter technology and a voltage conversion unit dedicated to shore power.
02 / SPECIFICATIONS
Technical specifications
| Description | Value |
|---|---|
| Capacity options | 100 / 200 / 400 / 630 / 800 / 1000 / 1600 / 2000kVA |
| Rated input voltage | 10kV ±10% (including transformer) / 0.38kV ±10% (without transformer) |
| Rated input frequency | 50Hz |
| Input module | IGBT voltage-source converter |
| Input current THD | ≤4% |
| Rated output voltage | 400V / 6kV, 440V / 6.6kV |
| Output frequency | 50Hz / 60Hz |
| Output module | IGBT voltage-source converter |
| Typical efficiency | >98% (excluding transformer) |
| Output voltage THD | ≤4% |
| Output frequency stability | ±0.1% |
| Short-circuit current limit | 2× overcurrent for 0.5s |
| Voltage regulation | Closed-loop voltage sampling after the filter; output voltage adjusts with load and compensates cable voltage drop using configurable curves. |
| Diagnosis | Power-on self-test and real-time operating diagnosis |
| Protection functions | Abnormal grid voltage, output phase loss, lightning, DC over/undervoltage, short circuit, overcurrent, ground fault, excessive humidity, communication fault, overload and overheating. |
| Operating temperature | −20°C to +50°C |
| Storage temperature | −40°C to +70°C |
| Altitude | 0–2000m |
| Humidity | ≤90% |
| Cooling method | Water cooling or forced-air cooling |
| Protection level | IP20 |
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