The Chroma 63802 is a programmable AC/DC electronic load designed for comprehensive testing of various power sources, including UPS systems, off-grid inverters, and AC sources. It offers versatile load simulation capabilities, supporting both AC and DC loading modes. The instrument is equipped with advanced features like DSP technology and an RLC mode for simulating non-linear rectified loads, ensuring accurate and reliable test results even with distorted voltage waveforms. Its design prioritizes real-world simulation to prevent overstressing test units and provide unbiased performance data.
### Technical Specifications
**General**
* **Model:** 63802
* **Series:** 63800 Series
* **Product Type:** Programmable AC/DC Electronic Load
* **Power Rating:** 1800 W
* **Number of Channels:** 1
**DC Load Simulation**
* **Operating Modes:**
* Constant Current (CC)
* Constant Resistance (CR)
* Constant Voltage (CV)
* Constant Power (CP)
* **Constant Current (CC) Mode:**
* **Range:** 0 – 18 Arms, programmable
* **Accuracy:** 0.1% + 0.2% F.S.
* **Resolution:** 2 mA
* **Constant Resistance (CR) Mode:**
* **Range:** 2.77 Ω – 2.5 kΩ, programmable
* **Accuracy:** 0.5% + 0.5% F.S.
* **Resolution:** 20 µmho
* **Constant Voltage (CV) Mode:** (Specifications not explicitly detailed for CV mode ranges, but it is a supported mode)
* **Constant Power (CP) Mode:**
* **Range:** 1800 W, programmable
* **Accuracy:** 0.5% + 0.5% F.S.
* **Resolution:** 0.375 W
**AC Load Simulation**
* **Operating Modes:**
* Constant Load Modes (CC, CR, CP)
* Rectified AC Load Modes
* **Voltage Range:** 50 – 350 Vrms (500 Vpeak)
* **Current Range:** 0 – 18 Arms (54 Apeak)
* **Frequency Range:** 45 Hz – 440 Hz, DC
* **Crest Factor Range:** 1.414 ~ 5.0, programmable
* **Accuracy:** (0.5% / Irms) + 1% F.S.
* **Resolution:** 0.005
* **Power Factor Range:** 0 ~ 1 lead or lag (Rectified mode)
* **Rectified Load Mode:** Supports RLC, CP, and Inrush Current simulation.
* **RLC Mode Parameters:** Ip(max), RS, LS, C, RL
* **Inrush Current Mode:** Allows setting inrush current amplitude and voltage phase angle.
**Measurements**
* **Measured Parameters:**
* True RMS Voltage (V)
* True RMS Current (I)
* True Power (P)
* Apparent Power (S)
* Reactive Power (Q)
* Frequency (F)
* Power Factor (PF)
* Crest Factor (CF)
* Total Harmonic Distortion Voltage (THDv)
* Peak Repetitive Current (Ip+/-)
* Resistance (R)
* **Measurement Accuracy:**
* Voltage Measurement Accuracy: 0.1% + 0.2% F.S.
* Current Measurement Accuracy (CC Mode): 0.1% + 0.2% F.S.
* Resistance Measurement Accuracy: 0.5% + 0.5% F.S.
* Power Measurement Accuracy: 0.5% + 0.5% F.S.
* **Analog Outputs:** Provided for voltage and current signals, routable to an oscilloscope.
**Interfaces**
* **Communication:**
* GPIB
* RS-232
* **Digital Outputs:** Available for external relay control (e.g., for short circuit testing).
**Physical**
* **Dimensions:** (Specific dimensions not detailed in provided sources)
* **Cooling:** Features fan speed control for reduced acoustic noise.
**Protection and Diagnostics**
* **Protection Functions:**
* Over-Power (OP) Protection
* Over-Current (OC) Protection
* Over-Temperature (OT) Protection
* Over-Voltage (OV) Alarm
* **Self-Diagnosis Routines:** Included for internal diagnostics.
**Compliance and Standards**
* **Supported Standards (for testing):**
* IEC 61000-3-2
* IEC 61000-4-11
* IEC 61000-4-13
* IEC 61000-4-14
* IEC 61000-4-28
* RTCA-DO 160 Section 16
* MIL-STD-1399-300
**Operating Modes Overview**
* **AC Load Simulation:** Supports Constant Load Modes (CC, CR, CP) and Rectified Load Modes (RLC, CP, Inrush Current).
* **DC Load Simulation:** Supports Constant Current (CC), Constant Resistance (CR), Constant Voltage (CV), and Constant Power (CP) modes. The 63800 series DC load simulation also includes a Rectified Load Mode, making it suitable for testing fuel cell, PV module/array, and battery applications.
### Why Choose Aumictech for Chroma 63802?
At Aumictech, we specialize in supplying high-end power electronics test equipment. Whether you need precise AC and DC load simulation, comprehensive measurement capabilities, or robust protection features for your power source testing, our team ensures the Chroma 63802 delivers maximum performance and reliability for your critical engineering and laboratory applications.
