Isolated 25kW 800V AC/DC converter battery charger with CAN control by Zekalabs

The unit is an air-cooled 100kW/12000V AC-DC three-phase bidirectional grid-tied converter for many different applications.

Having numerous communication interfaces including RS485 (Modbus RTU), Ethernet (Modbus TCP) and CANBus, makes the integration with your control network an easy task.

Providing various modes of operation, programmable limitations and additional logic integration possibilities, it can fulfil various tasks and functions.

Having a design with fully integrated control and power units and external filter bank balances the size and the weight of the installed components. You can use your own inductors or combine the converter with the Zekalabs AC/DC filter bank providing maximum efficiency and robustness for your system. Moreover, mounting and servicing of these usually heavy components within the cabinet becomes a much more comprehensive task.

Having numerous communication interfaces including Ethernet, RS485 and CANBus and utilizing Modbus, makes the integration with your industrial network an easy task. Profibus interface is also available using a Zekalabs Communication Bridge (optional).

Several digital and analog inputs and outputs are available for additional programming and logic allowing extra flexibility during the system design or an ongoing project.

Using the ZekaTrace™ and ZekaStream™ technology (optional), you will be able to display the electrical characteristics and diagnose the health of the system with an unprecedented resolution for the industry. Only one such converter in your design is enough to change the way you commission the whole power plant.


Applications

This versatile, multi-application device provides various modes of operation, programmable limitations and additional logic integration possibilities and it can easily be used into the following applications:

  • EV Level 3 DC fast charging stations and infrastructure
  • electric and hybrid vehicles charging and discharging
  • micro-grids infrastructure
  • energy storage infrastructure
  • battery / fuel-cells / supercaps charging and discharging
  • hybrid/electrical propulsion support infrastructure

Technical data

Nominal power103 kW at 400 Vac
125 kW at 480 Vac
AC voltage range200-760 Vac
3P + PE
DC voltage range340 - 1200 Vdc at 200Vac
620 - 1200 Vdc at 400Vac
730 - 1200 Vdc at 480Vac
Maximum DC current
200 Adc
Galvanic isolationNo
Optional external componentsAC filtering block
Contactors and precharge block on the DC side
Efficiency> 98 %
Energy transfer directionBidicrectional
Grid-tied
CoolingAir
Mechanical dimensions (W x L x H)366 x 465 x 240 mm
Weight27 kg
Communication interfacesMODBUS RTU over RS485
Modbus TCP over Ethernet
CAN (custom protocol)

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