AssetShield-protected transformers are designed to help utilities meet new security and resiliency standards for critical substations in the U.S. ABB has won orders from three major U.S. utilities for ...

A discussion of three-phase power transformer secondaries set up in a delta or wye configuration and their grounding. Aspencore network. ... tapped the center of one of the secondaries and grounded it ...

(Fig. 1) Three-phase Wye connection Delta. A three-phase Delta is a 240 VAC feed with one phase center-tapped as shown in Fig. 2 to provide two 120 VAC feeds and neutral for single-phase loads. This ...

I shut down and locked out the transformer, and then opened the case. Sure enough, I was reading 460V on the primary side. However, it was tapped for 480V. I changed the three taps to the 460V lugs, ...

This article explains how to quickly set up push-pull driver circuits for pulse transformers in low-power isolated dc-dc power supplies. I also speak about some of the ubiquitous push-pull converter ...