The Chroma 63804 is a single-channel, programmable AC/DC electronic load designed for the testing of power sources and electronic components. It offers a total power rating of 4500W and operates within a voltage range of 50 to 350 Vrms (500 Vpeak) and a current range of 0 to 45 Arms (135 A peak, continuous). This device supports AC input frequencies from 45 to 440 Hz, as well as DC.
### Key Technical Specifications
* **Manufacturer:** Chroma
* **Model:** 63804
* **Product Type:** Programmable AC/DC Electronic Load
* **Channels:** 1
* **Total Power:** 4500 W
### Electrical Specifications
* **Voltage Range:**
* 50 – 350 Vrms
* 500 Vpeak
* **Current Range:**
* 0 – 45 Arms (continuous)
* 135 A peak
* **Frequency Range:**
* 45 – 440 Hz (AC)
* DC
* **Crest Factor:**
* Programmable range: 1.414 – 5.0
* Accuracy: 1% F.S. + (0.5% / Irms), (0.5% / Irms) + 1%F.S.
* Resolution: 0.005
* **Power Factor:**
* Programmable range: 0 – 1 lead or lag
### Operating Modes
The Chroma 63804 supports a variety of operating modes for both AC and DC load simulations:
* **DC Load Simulation:**
* Constant Current (CC) Mode:
* Range: 0 – 45 Arms, Programmable
* Accuracy: 0.1% + 0.2% F.S., 0.5% + 0.5% F.S.
* Resolution: 5 mA
* Constant Resistance (CR) Mode:
* Range: 1.11 Ω – 2.5 kΩ, Programmable
* Accuracy: 0.5% + 0.5% F.S.
* Resolution: 50 µmho
* Constant Voltage (CV) Mode: Supported for DC Load Simulation
* Constant Power (CP) Mode:
* Range: 4500 W, Programmable
* Accuracy: 0.2% + 0.3% F.S.
* Resolution: 1.125 W
* Rectified Load Mode
* Timing Mode
* **AC Load Simulation:**
* Constant Load Modes: CC, CR, CV, CP
* Rectified Load Modes: RLC, CP, Inrush Current
* RLC Mode: Utilizes DSP technology for simulating non-linear rectified loads, improving stability by dynamically adjusting control bandwidth.
* Inrush Current Mode: Allows setting different inrush current amplitude and voltage phase angle.
* Timing Measurement: For battery discharge, UPS transfer time, fuse/breaker trip time
### Measurement Capabilities
The Chroma 63804 features built-in 16-bit precision measurement circuits for:
* True RMS Voltage
* True RMS Current
* True Power (P)
* Apparent Power (S)
* Reactive Power (Q)
* Crest Factor (CF)
* Power Factor (PF)
* Total Harmonic Distortion of Voltage (THDv)
* Peak Repetitive Current
* Resistance (R)
* Frequency (F)
Analog outputs are available for routing voltage and current signals to an oscilloscope.
### Interfaces and Control
* **Remote Control:** GPIB and RS-232C interfaces are provided for remote control and system integration.
* **Digital Outputs:** Built-in digital outputs can control external relays for short-circuit testing.
* **Analog Outputs:** For voltage and current monitoring via oscilloscope.
### Protection and Diagnostics
The Chroma 63804 includes comprehensive protection and diagnostic features:
* Self-diagnosis routines
* Over-power (OP) protection
* Over-current (OC) protection
* Over-temperature (OT) protection
* Over-voltage (OV) alarm
### Physical Specifications
* **Dimensions:** 440 x 595 x 310 mm (L x W x H)
### Compatibility and Features
* **Parallel/3-Phase Function:** Supports parallel connections and 3-phase Y/Delta configurations.
* **Fan Speed Control:** Engineered for low acoustic noise.
* **Short Circuit Simulation:** Supported.
* **Real-time Compensation:** Simulates load conditions under high crest factor and varying power factors, even with distorted voltage waveforms. This prevents over-stressing and ensures reliable test results.
* **DSP Technology:** Used for simulating non-linear rectified loads with a unique RLC operation mode to enhance stability.
Why Choose Aumictech for Chroma 63804?
At Aumictech, we specialize in supplying high-end electronic test and measurement equipment. Whether you need precise AC/DC load simulation, comprehensive power source testing, or reliable component evaluation, our team ensures the Chroma 63804 delivers maximum performance and accuracy for your critical applications.
