The NH Research 4600-12kW is a 12 kW AC electronic load for high-demand test applications requiring linear and non-linear AC loading simulation. It delivers programmable versatility across a 50–350 V operating range with maximum current capability of 120 A, enabling realistic evaluation of AC-powered equipment behavior under diverse field conditions. The instrument supports seven emulation modes—Constant Current, Constant Resistance, Constant Voltage, Constant Power, Short Circuit, Unity Power Factor, and Complex Non-Linear Waveform—with independently programmable crest factor and power factor control.
– Technical Specifications
• Power Rating: 12 kW
• Voltage Range: 50–350 V
• Current Range (RMS): 0–120 A
• Maximum Current: 120 A
• Emulation Modes: CC, CR, CV, CP, SC, UPF, CNL
• Waveform Control: Programmable crest factor and power factor
• Macro Capability: Up to 100 command queues with per-cycle triggering; supports single-shot and looped execution
• Dimensions (HxWxD): 57″ × 23″ × 30″ (1448 × 584 × 762 mm)
• Weight: 440 lbs (200 kg)
– Key Features
• User-Defined Waveforms: Full-screen graphical editor with symmetrical and asymmetrical creation, smoothing, transient duplication, and spike/dropout insertion
• High-Accuracy Internal Measurements: Frequency, voltage, peak voltage, current, peak current, crest factor, apparent power, true power, peak power, reactive power, power factor, and resistance
• Real-Time Waveform Display: PC-hosted GUI with softpanel provides live current, voltage, and power waveform observation without external oscilloscope
• Fast Transient Control: Macro-driven per-cycle modifications for rapid load condition changes
– Typical Applications
Testing of uninterruptible power supplies (UPS), AC sources, inverters, switches, circuit breakers, fuses, and connectors under simulated field operating conditions.
– Compatibility & Integration
• Communication: LAN, RS-232, USB
• PC Drivers: LabVIEW and IVI supported
• System Requirements: Windows XP with 3 GHz CPU, 512 MB RAM, 80 GB hard drive
• Standards Alignment: RTCA/DO-160 Section 16, MIL-STD-704, IEC 61000-4-11, IEC 61000-4-34, ANSI/IEEE, IEC
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