This lesson consist of a video that will show you how to test the over / under frequency and voltage protections on a Hobart 90CU24 ground power unit. Take the quiz after you have watched the video to test your knowledge.
Watch the video to learn how to operate a Hobart 90CU24P Ground Power Unit, our tech, Karlos Medina, will show you the basic operation of the GPU as well as how to properly add load and what to look for while doing the test. In the following lesson, we have a video that shows how …
WELCOME In this lesson we will cover the basic electrical troubleshooting steps for AC ground power units (GPU), systems included are: Engine starting system Engine acceleration system (electrical) Voltage build-up and adjustment Output contactor operation In the next lesson, we will cover the same systems but on DC GPUs.