Liquid-cooled Integrated Converter

The liquid-cooled converter is mainly composed of AC distribution cabinet, liquid-cooled PCS, liquid-cooled unit and local controller. Adopting the modular PCS design concept, it can be applied to different technical lines of centralized and group series. A single converter is composed of 11 PCS liquid-cooled modules (the maximum support for installation of 12 PCS) to form a 2.5MW converter system, covering 1000V-1500V DC voltage level, and it can be composed of 2 (5MW) or more parallel network for use.

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Liquid-cooled Integrated Converter
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Product Features Classification
Product Features
High Efficiency
High Efficiency

■ PCS is designed with all SiC power devices, with maximum efficiency greater than 99.2%.

High-level Safety
High-level Safety

■ The PCS adopts liquid-cooled mode to dissipate heat, reducing the risk of temperature control. The system protection is IP55, and the PCS protection level is IP66, which can adapt to various extreme conditions.

Flexible Configuration
Flexible Configuration

■ PCS modular design, can choose centralized or string architecture, flexible configuration 2.5MW/5MW or different power levels, to meet the needs of multiple scenarios.

Low Noise
Low Noise

■ The system noise is less than 65dB, which is suitable for various applications with high noise requirements and improves user experience.

Classification
Liquid-cooled Integrated Converter

DC Side AC Side (grid-connected) AC Side (off-grid) System System Communications Mechanical

DC Side

Voltage ranges 1000~1500Vdc
Maximum DC voltage 1500Vdc
Maximum current on DC side 11*259A
AC Side (grid-connected)

Rating power 2.5MW
Rated grid voltage 35kV
Allowable grid voltage -15%~10%
Rated grid frequency 50Hz
Allowable grid fluctuation frequency ±5Hz
Power factor ＞0.995（Rating power）
Power factor adjustable range -1~1
Current harmonics ＜3%（Rating power）
AC Side (off-grid)

Rating power 2.5MW
Rated output voltage 690Vac
Rated output frequency 50Hz
AC voltage harmonics ＜3%（linear load）
Load power factor -0.8~0.8
System

Maximum converter efficiency ≥99.2%
Converter cooling method liquid-cooled
Charge/discharge conversion time ＜100ms
Protection level IP55（Converter IP66）
Permissible ambient temperature -30℃~+60℃（＞50°C derating, up to 2000m above sea level）
Allowable relative humidity 0~100%
Maximum working altitude 5000m（＞4000m derating, ambient temperature environment）
Noise ≤65dB
System full load efficiency ≥98 %
System Communications

Communication interface RS485/CAN/Ethernet
Communication protocols IEC61850/IEC104/Modbus TCP/RTU/MQTT
Mechanical

Weights ≤4t
Dimensions (W×D×H) ≤3800mm*1100mm*2200mm
Installation method Ground-mounting
Wiring method Bottom Entry/Exit

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