The Chroma 63803 is a versatile AC/DC electronic load designed for comprehensive testing of various power sources and components. This programmable instrument is engineered to simulate diverse load conditions, including those with high crest factors and fluctuating power factors, even when voltage waveforms are distorted, providing realistic simulation capabilities for reliable and unbiased test results. Its advanced design leverages DSP technology to emulate non-linear rectified loads through a unique RLC operation mode, enhancing system stability by dynamically adjusting its control bandwidth based on the Unit Under Test’s (UUT) impedance.
### Technical Specifications
**General:**
* **Model:** Chroma 63803
* **Series:** 63800 Series
* **Power Rating:** 3,600 Watts (with options for 1,800W and 4,500W configurations within the series)
* **AC Input Voltage:** 100 V – 115 V / 200 V – 230 V
**DC Load Simulation Modes:**
* **Constant Current (CC):** Programmable current range up to 36Arms. Specific ranges include 0-18Arms, 0-36Arms, and 0-45Arms.
* **Constant Resistance (CR):** Programmable resistance ranges, including 2.77Ω to 2.5kΩ, 1.39Ω to 2.5kΩ, and 1.11Ω to 2.5kΩ.
* **Constant Voltage (CV):** (Available within the 63800 series, applicable for specific testing scenarios like battery chargers)
* **Constant Power (CP):** Programmable power ranges up to 3,600W. Specific ranges include 1800W, 3600W, and 4500W.
* **Rectified Load Mode:** Simulates rectified load behavior, ideal for distributed inverters, Fuel Cells, PV modules/arrays, and battery testing.
**AC Load Simulation Modes:**
* **Constant Load Modes:** CC, CR, and CP modes are available for AC load simulation. CC and CP modes allow programming of Power Factor (PF) and Crest Factor (CF).
* **Rectified Load Modes:** Includes RLC, CP, and Inrush Current modes for simulating non-linear rectified loads.
* **RLC Mode:** Parameters include Ip(max), RS, LS, C, and RL.
* **Inrush Current Mode:** Allows setting of inrush current amplitude and voltage phase angle.
**Electrical Specifications:**
* **Voltage Range (RMS):** 50V to 350Vrms. Peak voltage up to 500Vpeak.
* **Current Range (RMS):** Up to 36Arms. Specific ranges include 0-18Arms, 0-36Arms, 0-45Arms.
* **Peak Current:** Up to 108A. Specific peak current ranges include 54A, 108A, and 135A.
* **Frequency Range:** 45Hz to 440Hz, and DC.
* **Crest Factor Range:** 1.414 to 5.0.
* **Power Factor Range:** 0 to 1 lead or lag (Rectified mode). The power factor range is limited based on the programmed crest factor.
**Measurement Functions:**
* **Primary Measurements:** True RMS Voltage (V), True RMS Current (I), True Power (P), Apparent Power (S), Reactive Power (Q).
* **Derived Measurements:** Power Factor (PF), Crest Factor (CF), Frequency (F), Resistance (R), Peak Repetitive Current (Ip+/-).
* **Distortion Measurement:** Total Harmonic Distortion of Voltage (THDv).
* **Analog Outputs:** Voltage and Current signals can be routed to an oscilloscope via analog outputs.
* **Digital Display:** DVM, DAM.
**Interfaces:**
* **Standard Interfaces:** GPIB and RS-232.
* **Digital Outputs:** Built-in digital outputs for controlling external relays for short circuit (crowbar) testing.
**Physical:**
* **Dimensions (L x W x H):** 595 x 440 x 310 mm.
**Compatibility & Applications:**
* **Designed for Testing:** Uninterruptible Power Supplies (UPS), Off-Grid Inverters, AC Sources, switches, circuit breakers, fuses, and connectors.
* **Specialized Testing:** Fuel Cell, PV module/array, and Battery testing.
* **Parallel/3-Phase Function:** Supports parallel and 3-phase operation for higher power or three-phase applications.
**Protection Features:**
* Over Current (OC) Protection.
* Over Power (OP) Protection.
* Over Temperature (OT) Protection.
* Over Voltage (OV) Alarm.
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### Why Choose Aumictech for Chroma 63803?
At Aumictech, we specialize in supplying high-end power electronics test equipment. Whether you need precise AC/DC load simulation, robust protection features, or seamless system integration capabilities, our team ensures the Chroma 63803 delivers maximum performance for your application.
