The Cinergia EL AC/DC SiC-RS rack series is a highly dynamic, bidirectional test platform for research, validation and end-of-line test benches. Thanks to state-of-the-art SiC power semiconductors, it offers very high efficiency, short switching times and a compact 19" design (7U). The devices operate in four quadrants as a regenerative AC electronic load and as a regenerative DC source/sink - including feeding energy back into the grid to reduce operating and installation costs.
Typical applications
- Electromobility: EVSE/OBC tests (AC/DC), V2G/V2X scenarios, charging logic & communication
- Smart grids & DER: Grid emulation, grid recovery, load flow and quality tests
- Energy Storage & Battery: Battery tests, cycles and emulation (multi-channel)
- Power HiL/PHiL: Use as a power amplifier with low delay
- Photovoltaics: PV string/panel emulation with irradiance/temperature profiles
- Aerospace & industry: R&D, verification and EoL test benches
Operation & integration
The series relies on a 7" touch user interface for local control (start/stop, sequences, plotting & data logging). Open MODBUS/TCP, analog/digital I/Os (BNC/DB15) and master/slave operation are available for integration into test benches. The 19" rack-compatible design (depth approx. 715 mm) enables easy integration into existing test environments.
Model focus: EL 22.5 AC/DC SiC-RS
The EL 22.5 is the compact workhorse of the series, ideal for laboratory and production environments with medium performance requirements - without sacrificing the full range of functions.
- Nominal power: 22.5 kVA/kW (AC/DC)
- Nominal current: 44 Arms (AC), ±44 A per DC channel
- Size & Weight: 7U (approx. 715 × 440 × 310 mm), approx. 50 kg
- Channel configuration (DC): 3× unipolar (2Q) independent or 1× bipolar (4Q)
- Operating modes: AC-CC/CP/Impedance (CZ) incl. harmonic tests; DC-CV/CC/CP/CR; optional battery test/emu and PV emu
- Regeneration: full regeneration with very high efficiency
- Grid side: 3×400 V~ (option 3×480 V~), PF > 0.98, THDi < 2 % at rated power
Comparison within the series
| Model |
Nominal power (AC/DC) |
AC-current (RMS) |
DC current (per channel) |
Dimensions / height |
Weight |
Typical use |
| EL 22.5 |
22.5 kVA/kW |
44 Arms |
±44 A |
715 × 440 × 310 mm (7U) |
≈ 50 kg |
Laboratory, validation, EoL with medium power |
| EL 30 |
30 kVA/kW |
44 Arms |
±44 A |
715 × 440 × 310 mm (7U) |
≈ 50 kg |
Higher power reserves, longer load profiles |
Conclusion: Both models share the same housing, power capacity and range of functions. At 30 kW, the EL 30 offers more power range, while the EL 22.5 is the cost-effective choice for many standard tests.
Product features of the series:
- Four-quadrant operation: regenerative AC load & regenerative DC source/sink in one device
- SiC technology for high switching frequencies, fast transients and above-average efficiency
- Energy feedback into the grid to reduce energy consumption, waste heat and installation costs
- 19" rack format, 7U, deep ~715 mm - easy to integrate and scalable
- Local operation via 7" touch display incl. Sequencer, plotting and data logging (CSV)
- Open MODBUS/TCP interface, analog/digital I/Os, emergency stop integration
- AC functions: current, power, impedance mode; harmonic, interharmonic and HF excitation up to 50th order; THDi < THDi < interharmonic and HF excitation up to 50th order. order; THDi < 2 % (nominal load)
- DC functions: CV/CC/CP/CR; optional battery test/emulation and PV panel emulation
- Multichannel: 3 independent DC channels (unipolar 2Q) or 1 bipolar channel (4Q)
- Voltage ranges: DC up to 800 V (unipolar 2Q) or ±380 V (bipolar 4Q)
- Mains side: 3×400 V~ (option 3×480 V~), power factor > 0.98
- Master/slave: Parallel connection (AC/DC) as well as serial/serial-parallel DC configurations for power scaling
- Extensive protection functions (over/short circuit, overload, watchdog, heartbeat, configurable limits)
- Certifications: CE, IEC 61010-1 (safety), EN-61326-1 (EMC), RoHS/REACH
- Quiet operation with forced cooling (< 55 dB @ 1 m)
