AC Load Simulation for the Real World

Real World AC Load Simulation to 4500W

Test engineers in need of real world AC load simulation up to 4500W that provides highly accurate load levels over a broad range of values with integrated measurement¬† capability……The Chroma 63800¬† Series AC/DC Electronic Load is the¬† solution.

AC Loads vs Resistors

Resistors have typically filled a need to inexpensively load AC output devices; however using resistors presents disadvantages to the testing process:

  • Elaborate switching/resistor networks are needed to automatically change load levels
  • Resistors provide only unity power factor, thus do not simulate real world loads
  • Resistors impedance change with temperature so accurate load levels are nearly impossible to obtain
  • Current shunts and DMMs are also needed to measure actual load current and voltages

The Solution

Chroma’s 63800 series includes an industry-first circuit simulation mode allowing users to program circuit values directly with dimple power factor and crest factor values instead of approximating load conditions. Other advantages include:

  • Performs both AC and DC load simulation
  • Constant and Rectified Load Modes
  • Programmable In Rush Mode
  • Automatic Bandwidth Adjustment
  • Parallel / 3-Phase Control
  • Programmable Crest Factor and Power Factor
  • Integrated, accurate measurement capability for V, I, PF, CF, P, Q, S, F, R, Ip+/-, and THDv
  • Stability at 400Hz
  • Front Panel Controls

The Chroma 63800 Series AC/DC loads are designed for multiple-industry testing applications including uninterruptible power supplies, off-grid inverters, AC power sources and other power devices such as switches, valves, breakers, fuses, and connectors.

Chroma 63802 – Programmable AC Load 1.8KVA/18A/350VAC Chroma’s 63800 Series AC&DC Electronic Loads are design for testing uninterruptible power supplies(UPS), Off-Grid Inverters, AC sources and other power….More Info and Data Sheet

Chroma 63803 – Programmable AC Load 3.6KVA/36A/350VAC Chroma’s 63800 Series AC&DC Electronic Loads are design for testing uninterruptible power supplies(UPS), Off-Grid Inverters, AC sources and other power….More Info and Data Sheet

Chroma 63804 – Programmable AC Load 4.5KVA/45A/350VAC Chroma’s 63800 Series AC&DC Electronic Loads are design for testing uninterruptible power supplies(UPS), Off-Grid Inverters, AC sources and other power….More Info and Data Sheet


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Mike is a finance industry executive with expertise in test, IT and avionics equipment acquisition, resale, residual valuation, leasing, renting and consignment.
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