DC/DC Module

Product Model
LEI-20K / 30K -TL-C

Hybrid inverter converts the mains AC power into DC power to charge and store the battery. When the mains power is cut off, the DC power stored in the battery is transformed into mains AC power for small industrial and commercial loads.

  • Product Detail

Application Scenarios

DC/DC modules are used in the upgrading and transformation of completed photovoltaic power plants, which can effectively improve the utilization rate of photovoltaic modules. Excess photovoltaic power generation or photovoltaic power generation at low electricity prices can be stored first by adding DC/DC modules and battery packs, and then sell at night or at peak electricity prices. This can maximize the overall power generation revenue.



Product Features

Reliability

  • Compatible with various batteries,perfect protection function & strong environmental adaptability
  • Wide DC input voltage range design
  • Two-way energy flow, fast switching between charge and discharge
  • Interleaved parallel, reduce capacitor ripple, improve service life
  • Max. efficiency up to 98.5%
  • Intelligent DSP digital control, data processing higher accuracy & faster speed
  • Modular design, support expansion


Technical Specifications

Model LEI-20K-TL-C LEI-30K-TL-C
PV Date
Max. Input Voltage [V] 900
MPPT Voltage Range [V] 250~900
Number Of MPPTs/Number of PV Input Channels
3/6
Input Power Per MPPT [W] 6500 10000
Max. Input Current Per MPPT [A] 25
Battery
Battery Type Lithium,Lead-carbon,Lead acid,etc
Operating Voltage Range [V] 250~650
Protection
Reverse Polarity Protection Yes
Overvoltage & Undervoltage Protection Yes
Overcurrent Protection Yes
Short Circuit Protection Yes
Surge Protection Yes
Efficiency
Max. Efficiency 99.0%
General Date
Dimension (W*D*H) [mm] 483*650*240
Weight [kg] 40
Temperature Range [℃] 30~+55
Cooling Method Temperature controlled fan cooling
Ingress Protection IP20
Relative Humidity 0~95%,no condensation
Altitude [m] 4000 (3000 derating)
Scheduling Communication Ethernet,RS485
BMS Communication RS485,CAN
Communication Protocol MODBUS-RTU/TCP


Application Principle


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