Several PC interfaces to measurement instruments (GPIB/RS232) and power electronics converters (USB/RS232) were developed at ApECOR to help in the development and evaluation of power electronics systems. Examples are shown below.

SAS Interface
SAS Interface

Solar Array Simulator Interface

  • GPIB connection to Agilent solar array simulator (SAS)
  • The following solar array parameters can be configured:
    Open circuit voltage (Voc), maximum power voltage (Vmp), short circuit current (Isc), maximum power current (Imp)
  • Display of I/V and P/V curve as well as the current operating point on both curves
  • Preview of I/V and P/V curve is shown if any of the 4 parameters is changed
  • Macro mode: Records and plays a series of operating conditions; interval, transition time and step size is adjustable
  • Data logging and plotting: All 4 parameters and the operating points can be logged and displayed over time
  • Table mode of SAS: Program non-ideal SAS curves

Battery Test Interface
Battery Test Interface

Battery Testing Interface

  • GPIB connection to Hameg HM8142 power supply and Agilent 34401A digital multimeters
  • Great for testing different battery charge algorithms, especially if source power is variable such as solar or wind power and Nickel-based batteries need to be charged accurately
  • 2 Channels: Run and compare tests for 2 batteries simultaneously
  • Maximum ratings per channel: 0..30V/0..1A; voltage or currents limits can be set anywhere within the ranges
  • Measurement of voltage, current and temperature (if battery equipped with sensor)
  • Main configuration options: Charge time, relax time, charge current, measurement interval
  • Lots of advanced options: Variable charge times and currents (specify min. / max. value and step size), generation of random charge currents
  • Parallel or series configuration of the 2 channels to allow higher currents or voltages for one battery
  • Data is saved automatically and can be reopened and plotted for later evaluation

Efficiency Measurement Interface
Efficiency Measurement Interface

Efficiency Measurement Automation

  • GPIB connection to 4 Agilent 34401A digital multimeters
  • Easily test efficiency of your power electronics converters
  • Measures input/output voltage/current with an adjustable interval
  • Displays voltages, currents, calculated powers and efficiency in real-time
  • Data recording and saving to a file with a click of a button
  • Any recorded data can be plotted versus output power
  • Recorded data can be reopened and plotted for later review
  • Warning levels can be specified; if reached, interface will show a red background of respective value and multimeter will beep
  • Current measurements require accurate current sense resistors, scale and offset can be input in interface

Converter Interface
Converter Interface

Power Electronics Converter Interfaces

  • USB/RS232 connection to DSP of power electronics converter
  • Controls the operation of the converter and read ADC measurements from the DSP
  • Main controls are: Turn converter on & off, set voltage and/or current limits in closed loop, set duty cycle in open loop
  • Advanced controls: Change controller type and gains, switching frequency
  • Measurements: Reads the ADC values from the DSP and displays the data in a table
  • Calibrate the interface with the specific hardware connected: Enables correct display and set points for voltages and currents
  • Data logging and plotting over time
  • Automatic storage: Data log can be opened and plotted for later evaluation

General requirements to connect to instruments are: General requirements to connect to power electronics converters are:

Please contact ApECOR to discuss your custom interfacing requirements.
This is a no-obligation service, whereby ApECOR's engineers can assess your proposed specifications and give a price quotation.

Advanced Power Electronics Corporation

Go to start page
Press Releases, Latest News and Contracts
Press Releases
Latest News and Contracts
Information about the company, employees, partners and interns
Greetings from the President
Get to know the people associated with ApECOR
See partners of the company
Current projects
A 30V to 6000V converter for capacitor charging applications
Computer Interfaces for controlling converters and instruments
Meet the future of power electronics
Available products
Available X-90 Solar Kits
A portable solar battery charger for military applications (X-90 Solar)
Available Accessories for the X-90 Solar
A portable solar battery charger for MA-4025 Batteries
A universal 12V to 28V DC/DC Boost Converter
A Rugged 1kW (1.75kW Surge) 120VAC Uninterruptable Power Supply
Rugged MPPT Solar Energy Harvester
A high-power, bidirectional DC/DC converter for hybrid-electric vehicle applications
An Active Controlled Cooling System
An educational product to teach digital control in power electronics (PE-iLab)
Available Services at ApECOR
Research & Development
Custom Designs
Browse for published materials
Contact us through our feedback form
Search this Site
Quick links to each page

Site Map         Copyright © ApECOR. All rights reserved.         Disclaimer