Manufacturers are investing huge sums into battery technology to maximize the range and performance of new electric cars. However, if you pop the hood of a modern EV, you might find a regular old ...

This article continues a discussion of AM DA maintenance; here’s a link to the first part. In our earlier exciting episode, we promised a real-life story. There are many, but here is my favorite: ...

Abstract: Traditionally, the AC contactor was controlled by exerting continuous DC current to the coil in both magnetic attracting and maintaining process. This would result in the electromagnetic ...

When voltage sags occur inside or outside of a facility, properly placed power quality mitigation technology will save sensitive equipment from costly shutdowns. The cost of this mitigation equipment ...

In this article I will be going over some tips on troubleshooting single phase, residential compressors that won’t start. The tonnage of most residential compressors in air conditioners and heat pumps ...

TE Connectivity (TE) released its new KILOVAC EV600 high voltage DC contactors. Hermetically sealed and designed for harsh environments, EV600 contactors are rated to handle more current than the ...

In order to service and troubleshoot an air-source heat pump system, a service technician must understand the unit's sequence of operation. This is the order of events the system undergoes to cycle ...

There are two basic components to virtually every manufacturing process: motors and the devices that control them. Typically, control devices are large and operate on the same voltage used to power ...