The IEC publishes a series of documents and rules governing the preparation of documents, drawings and the referencing of equipment.   Depending on country...

Just added a page to the tools, which will allow you to calculate the synchronous speed, slip and rated torque for an induction motor. Not a particularly...

The widely used United Sates standard ANSI/IEEE C37.2 'Electrical Power System Device Function Numbers, Acronyms, and Contact Designations' deals with...

If you have no idea how electrical circuits work, or what people mean then they talk about volts and amps, hopefully I can shed a bit light.  I’m intending...

Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...

Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

Electrical engineering is a field that covers a wide variety of sub-fields, including electricity and electronics. It is a field that goes back to the...

Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...

Induction motors are frequently used in both industrial and domestic applications.  Within the induction motor, an electrical current in the rotor is induced...