B2C+ Bi-Directional DC Converter
Regenerative DC Converter
B2C+
The Cinergia B2C+ is a high-performance bi directional dc converter and regenerative dc bidirectional source designed for demanding DC test platforms. The efficiency, multichannel flexibility, and high-resolution dynamics of this device make it suitable for a wide range of applications including Renewable Energy Sources, Energy Storage Systems, Smart Grids, Battery Testing and Characterization, Electric Vehicles, EV Charging Infrastructures, Traction Converters, Power HiL, and Aeronautics.
As a true regenerative dc bidirectional source, the Cinergia B2C+ operates as both a power source and a power sink feeding energy back to the grid during discharge cycles and reducing the net power demand of your test installation. This makes it one of the most energy efficient bi-directional power converter solutions available for DC test platforms today.
Featured Benefits
- Efficiency and Flexibility
- Save Energy, Power and Time
- DC only
- Multichannel
- High-Resolution and Dynamics
Functionalities
- Bidirectional and Regenerative
- Clean grid current: THDi < 3% and PF > 0.98
- 2 quadrants and 4 quadrants configurations
- 13 models from 7.5kW to 160kW
- Parallelization of units to increase the power Voltage Range: up to 750/800V
- CV, CC, CO, CR modes
- Battery Testing (charge/discharge/cycling)
- Automated Test pro les (csv file)
- Battery Emulation (option) -Pv Panel Emulation (option)
- 3 channels / 1 channel / Multichannel / Bipolar
- Power Amplifier mode for PHiL applications
- Intuitive User Interface
- Modbus/Ethernet Open protocol, Labview drivers
Regenerative Technology
Thanks to its bi-directional topology, the B2C+ is a true regenerative dc converter reducing both the energy consumed during tests and the power demand placed on the electrical installation. As a fully capable bi-directional power converter, it sources and sinks DC power with equal precision.
This technology allows the B2C+ to work in both directions as a power generator or as a load covering all types of DC test requirements across the full power range.
Main Applications
Electromobility
Smart Grids
Avionics
IEC Testing
Photovoltaic
Power HiL
Energy Storage System
Local Interface
Analogue and Digital IO ports
The isolated digital and analogue inputs/outputs permit the connection of the unit to External Controllers and Power Hardware in the Loop systems (option).
4.3” Touchscreen
Allows the local parameterization and command of the device, configuration of the communications link, plots the main signals and enables the local datalogging.
Safety First
The units integrate a local Emergency Stop pushbutton and two signals (input+ output) to be connected to the laboratory interlock system. Additionally, the digital outputs can be interfaced to safety tower lights.
Master/Slave
ePLUS is a modular platform enabling the master/slave connection of units with equal power.
Options
Three channel mode: allows different operation mode start/stop/reset per channel (included in all models from 7.5 to 60, both included)
30kHz Switching Frequency: only available for models 15 (derated to 7.5kW), 20 (derated to 7.5kW) and 30 (derated to 10kW)
Isolation monitor (advised for IT systems)
Low voltage ripple capacitance
Anti-islanding monitor (only advised in net injection to the grid and following local regulations)
- RS485
- Battery Emulation
- Battery Test
- PV Panel Emulation
Models
B2C+
| Reference | DC Power Rated |
DC Voltage Range |
DC Current Rated 3 channels Unipolar Mode |
DC Current Rated 1 channel Unipolar Mode |
DC Current Rated +/-/0/- Bipolar 40 Mode |
Weight (kg) |
Dimensions DxWxH (mm) |
|---|---|---|---|---|---|---|---|
| B2C+7.5 | 7.5 kW | 20 - 800 V | ±10 A | ±30 A | ±10 A | 155 kg | 770 x 450 x 1100 mm |
| B2C+10 | 10 kW | 20 - 800 V | ±15 A | ±45 A | ±15 A | 155 kg | 770 x 450 x 1100 mm |
| B2C+15 | 15 kW | 20 - 800 V | ±20 A | ±60 A | ±20 A | 155 kg | 770 x 450 x 1100 mm |
| B2C+20 | 20 kW | 20 - 800 V | ±25 A | ±75 A | ±20 A | 155 kg | 770 x 450 x 1100 mm |
| B2C+30 | 27 kW | 20 - 800 V | ±30 A | ±90 A | ±30 A | 155 kg | 770 x 450 x 1100 mm |
| B2C+40 | 40 kW | 20 - 800 V | ±40 A | ±120 A | ±40 A | 200 kg | 770 x 450 x 1100 mm |
| B2C+50 | 50 kW | 20 - 800 V | ±50 A | ±150 A | ±50 A | 200 kg | 770 x 450 x 1100 mm |
| B2C+60 | 54 kW | 20 - 800 V | ±57 A | ±170 A | ±57 A | 200 kg | 770 x 450 x 1100 mm |
| B2C+80 | 80 kW | 20 - 800 V | ±80 A | ±230 A | ±80 A | 320 kg | 870 x 590 x 1320 mm |
| B2C+100 | 100 kW | 20 - 800 V | ±130 A | ±390 A | ±130 A | 320 kg | 870 x 590 x 1320 mm |
| B2C+120 | 108 kW | 20 - 800 V | ±130 A | ±390 A | ±130 A | 320 kg | 870 x 590 x 1320 mm |
| B2C+160 | 145 kW | 20 - 800 V | ±155 A | ±465 A | ±155 A | 680 kg | 850 x 900 x 2000 mm |
| B2C+200 | 160 kW | 20 - 800 V | ±185 A | ±555 A | ±185 A | 680 kg | 850 x 900 x 2000 mm |
Software
The user interface for the Cinergia B2C+ has been developed by our R&D team to offer total control of the device with a comfortable and intuitive design. This allows users to take full advantage of this bi directional dc converter's capabilities, including the programming and execution of standardized or self-created test profiles.
DC
DC Operation
This panel allows the user to access all DC setpoints and limits. Thanks to the unique Multichannel feature, each phase can have a different Operation Mode: voltage, current, power, resistance and advanced DC applications. Transition ramps, voltage and current limits can be modified. The limits for sink and source operation are different for safer testing, specially in battery applications.
Sequence
The User Interface Software integrates a Sequence Editor to create automatic test sequences, save them for future use and import them in .csv files. A smart datalogger can be activated from the LCD of the unit to record automatically the resulting voltage and current measurements with a time resolution of 400 ms.
Multichannel
Enabling the Separated Channel Control converts the device in three functionally independent DC Bidirectional Power Supplies, sharing the common negative rail. Each channel can have a different status (ON, OFF, Warning, Alarm), Operation Mode (see Range and Specifications table), Setpoint, Ramp and Limits.
Battery Pack Tester
This functionality enables the user to precisely control the charge, discharge and cycling of a Battery. Basic parameters include the charge/discharge current, fast charge and floating voltages while Advanced parameters add Energy (Ah) and Time as transition conditions. Profiles for each Battery technology can be saved and imported in .CSV files.
Battery Emulation
The B2C+ integrates a mathematical model to emulate the voltage behaviour of a real battery pack. The output voltage will change as a function of the SOC and Current. By configuring the provided parameters, the voltage profile can be adjusted to match different technologies: LiIon, NiMH, NiCd, Pb, Flux, etc.
PV Panel Emulation
The PV Panel model is based on the single-diode equivalent circuit of a PV cell and the series-parallel connection of cells to form a panel. A Runtime functionality allows the simulation of a complete day by launching different irradiance and temperature setpoints from a .csv file, enabling the user burn-in and functional tests of PV Inverters.
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Specifications
| Specifications | B2C+7.5 | B2C+10 | B2C+15 | B2C+20 | B2C+30 | B2C+40 | B2C+50 | B2C+60 | B2C+80 | B2C+100 | B2C+120 | B2C+160 | B2C+200 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage Rating | 800V or 1500V (via Series Connection) | ||||||||||||
| Current Rating | 0 to +/-555A (@160kW) | ||||||||||||
| Power Ratings | 7.5 kW | 10 kW | 15 kW | 20 kW | 27 kW | 40 kW | 50 kW | 54 kW | 80 kW | 100 kW | 108 kW | 145 kW | 160 kW |
| Max Power Density | 3.6kW/U (@108kW) | ||||||||||||
| Max Parallel Power | 1.2MW | ||||||||||||
| Vslew, CV (10%-90%) | 800V/msec | ||||||||||||
| Source Efficiency | ≥ 89% | ≥ 89% | ≥ 91% | ≥ 91% | ≥ 91% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% |
| Sink Efficiency | ≥ 89% | ≥ 89% | ≥ 91% | ≥ 91% | ≥ 91% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% | ≥ 92% |
| Power Factor (at rated power) | > 0.98 | ||||||||||||
| Ripple, P-P Source Sink |
4.56V | ||||||||||||
| Ripple, RMS V Source Sink |
1.613V | ||||||||||||
| Minimum Sink or Load Voltage | 20V in 2Q, 0V in 4Q | ||||||||||||
| Minimum Sink or Load Current | 0A | ||||||||||||
| Ripple, RMS I Source Sink |
<0.7% of FS pp | ||||||||||||
| MTBF | 100,000 Hours | ||||||||||||
| Supported Protocols | LAN Ethernet with Open Modbus-TCP protocol, RS485 (option), CAN and RS232 (using external gateway) | ||||||||||||
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FAQ
The B2C+ is a high-performance, regenerative DC converter by CINERGIA (distributed by Intepro) that both sources and sinks DC power—returning energy to the grid with exceptional efficiency. It’s designed for DC test platforms and energy recovery applications.
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