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Energy Optimization Modules Energy Optimization Modules

Energy Optimization Modules

  • Pre‑charge & Cluster Voltage Balancing

SACC352231E1-5/10

Enables pre‑charging, replenishment, and inter‑cluste
voltage balancing for ESS, improving efficiency,
maximizing returns, and ensuring system safety.

  • Voltage Equalization Controller

  • Dynamic Voltage Balancing, Enables Inter‑Cluster Energy Scheduling.

  • Modular Design for Easy Installation.

  • In-service power replenishment module

  • Integrated pre‑charging and replenishment, compatible with multiple busbar specifications.

  • 99.2% High Conversion Efficiency,
    Self‑Consumption < 2W.

Specifications

  • EDCC702901C1

  • EDCC502152C1

    • Voltage Equalization Controller

    • EDCC702901C1

    • Rated power (kW):

      7

    • Battery side

    • Max DC voltage (Vdc):

      900

    • Operating voltage range (Vdc):

      200~900

    • Max operating current (A):

      10

    • AC bus side

    • Max AC voltage (Vdc):

      900

    • Operating voltage range (Vdc):

      200~900

    • Max operating current (A):

      10

    • Max efficiency (%):

      99.00%

    • Protection :

      Electronic protection,Surge protection,Overheating protection,Overload protection

    • Dimensions(L*W*D)(mm):

      222*109*105 (metal plate + radiator)

    • Weight (kg):

      3

    • Cooling:

      smart fan

    • Installation:

      Wall-mounted

    • Communication:

      RS485, CAN

    • Connection:

      BMS, PCS, EMS

    • Isolation:

      non-transformer

    • Operating Temperature(℃):

      -40~+60 (＞50 reduction）

    • Noise (dB):

      ＜25

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    file

    • In-service power replenishment module

    • EDCC702901C1

    • Rated power (kW):

      5

    • Battery side

    • Max DC voltage (Vdc):

      1500

    • Operating voltage range (Vdc):

      300~1400

    • Max operating current (A):

      5(average)

    • Peak current (A):

      10

    • AC bus side

    • Max AC voltage (Vac):

      690*1.3

    • Long-term operating voltage range (Vac):

      690*（1±30%）

    • Max operating current (A):

      5(average)

    • Instantaneous voltage（Vdc):

      1830

    • Max efficiency (%):

      99.2

    • Protection :

      Over-temperature protection, Over-voltage protection, Over-current protection, Short-circuit protection, Battery under-voltage protection, Pre-charge timeout alarm, Power transistor fault detection, Over-voltage/over-current detection

    • Dimensions(L*W*D)(mm):

      223*110*88

    • Weight (kg):

      1.49

    • Cooling:

      smart fan

    • Installation:

      Wall-mounted

    • Communication:

      I/O, RS485

    • Isolation:

      non-transformer

    • Operating Temperature(℃):

      -20~+60

    Download
    file

FAQ

  • Q
    What core functions are integrated into this module?

    The battery performs pre charging for the PCS, and the battery is charged via the pre charge module.


  • Q
    What is the main function of this module in an energy storage power station?

    To reduce the maintenance cost of the energy storage power station.


  • Q
    What are the installation requirements for this module?

    Featuring a compact wall mounted design, this module can be easily integrated inside standard energy storage cabinets. It delivers high voltage withstanding performance and is equipped with intelligent thermal management, making it suitable for a wide range of environmental conditions.


  • Q
    What are the dimensions and weight of this module? What is its installation method?

    Dimensions: 223 × 110 × 101 mm; Weight: 1.3 kg. It adopts wall mount installation and must be handled by qualified professionals.