The article in the March 3 issue of The News dealt with the secondary windings of a Delta service transformer with one winding center-tapped to the ground. The article stated that the power-leg or ...

Last month's Code Calculations article covered transformer calculation definitions and some specifics of delta transformer calculations. This month we turn our attention to the differences between ...

KEMP, Texas, Nov. 20, 2018 (GLOBE NEWSWIRE) -- Larson Electronics, a Texas-based company with over 40 years of experience spearheading the industrial lighting and equipment sectors, announced the ...

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...

Bridgeport Magnetics Group Inc. introduces a new line of dry-type single-phase and three-phase low voltage (600VAC) distribution transformers suitable for industrial, healthcare, commercial buildings, ...

Have you ever wondered why some low-voltage (115-V) power-consuming devices burn out too often? It could be because they are wired to the “high” or “wild” power leg of a voltage supply. These devices ...

If it's a true three phase system, it should have a third rail that will zap if you if you touch it and and ground. It's 3x zap and a ground, where two of the electrified lines are overhead and one ...

Transformer maker ERMCO to open first facility west of the Mississippi in Arizona, adding three-phase capacity to address supply shortages.

Note: All Code references are based on the 2014 NEC. The NEC has separate sections for transformer feeder protection and transformer protection. Article 240 lists requirements for transformer feeder ...

Joining TDK-Lambda’s TPS power supply series is a 48-V unit that accepts a three-phase Delta or Wye input ranging from 350 VAC to 528 VAC, eliminating the need for step-down transformers and assisting ...