NH Research Inc.
Designs and manufactures power-electronics test systems and test instruments for the functional testing of dc power supplies, UPS and related power conversion products. Programmable Electronic Loads, both AC and DC and a NEW Precision Regenerative Power Grid Simulator up to 192kVA. As well as Battery Test Systems.
Adaptive Power Systems
Adaptive Power solid state frequency converters provide frequencies and voltages found around the world and in military avionics/shipboard applications The AC/AC converters will accept multiple frequency and voltage inputs, offer fully adjustable output frequency and a very broad adjustable voltage range that permits duplication of worldwide utility configurations.