Home DNV Motor Test Solution DC Emulator (DCE) – High-Dynamic DC Load & Source
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DNV Motor Test Solution

DC Emulator (DCE) – High-Dynamic DC Load & Source

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NABL-Accredited Calibration | Available on Request

A high-bandwidth DC power emulator designed for EV, aerospace, and advanced DC system testing. It functions as a programmable DC load or source with ultra-fast response, low latency, and precise waveform reproduction for resonance, HIL, and power hardware testing..

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  • Special Features
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As DC systems evolve in complexity, validation requires tools capable of modeling fast transient loads and dynamic power behavior. The DC Emulator provides the precision needed for testing battery packs, DC converters, controllers, and high-voltage subsystems without relying on live power sources.

The system supports multiple operating modes including constant current, constant power, constant voltage, dynamic load emulation, ripple injection, and captured waveform playback. With configurable interfaces and master-slave scalability, multiple units can be combined for higher output power.

The emulator is automation-ready, supporting real-time control integration for HIL and PHIL test setups in EV powertrains, aerospace subsystems, grid-connected energy storage systems, and microgrid simulation.

  • Wide bandwidth capability up to 20 kHz for swept-frequency resonance testing

  • Injects controlled noise and ripple on the DC bus for EMI and robustness validation

  • Accurately reproduces captured or simulated waveforms for real-world testing

  • Ultra-fast power slew < 100 μs ensures high-dynamic load conditions

  • 1 μs latency from command to output, ideal for hardware-in-loop testing

  • High-frequency load capabilities for advanced power electronics evaluation

  • Designed for Performance, Endurance, and Production testing environments

Category Specification
DC Power 1–100 kW
Voltage Range Up to 1000 V DC
Current Rating Up to 450 ADC
Signal Bandwidth Up to 20 kHz
Slew Rate <100 μs full-scale
Latency ~1 μs command to output
Load Modes CC, CP, CR, CV
Supported Systems EV, HEV, Aerospace, DC microgrid, storage testing
Isolation Full galvanic isolation for high-voltage testing
Cooling Forced air / liquid cooling options depending on rating
Footprint Single cabinet, caster mounted for easy movement