Latest Questions

1 Answers
0 Votes
581 Views
1 Answers
0 Votes
220 Views
0 Answers
0 Votes
248 Views
0 Answers
0 Votes
126 Views
0 Answers
0 Votes
118 Views
1 Answers
0 Votes
500 Views
1 Answers
0 Votes
564 Views
0 Answers
0 Votes
380 Views
0 Answers
0 Votes
473 Views
1 Answers
0 Votes
2192 Views
3 Answers
0 Votes
4424 Views
2 Answers
0 Votes
2421 Views
1 Answers
0 Votes
1421 Views
1 Answers
0 Votes
1007 Views
0 Answers
0 Votes
1050 Views
0 Answers
0 Votes
767 Views
0 Answers
0 Votes
902 Views
0 Answers
0 Votes
1195 Views

Related Tags


IEC 61439 - The Switchgear Standard

The new standard IEC 61439 replaces the old 60439. Compared to the old standard, the new 61439 is a more clearly defined and takes into account the assembly...

Maxwell's Equations - Introduction

Maxwell's Equations are a set of fundamental relationships, which govern how electric and magnetic fields interact. The equations explain how these fields...

3 Phase Loads

Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...

Why use catalogues

I'm a fan of using manufacturers catalogues. There are two main reasons for this. Firstly, if your involved in the purchase of equipment, you will likely...

IEC 60287 Current Capacity of Cables - An Introduction

IEC 60287 "Calculation of the continuous current rating of cables (100% load factor)" is the International Standard which defines the procedures and equations...

Electromagnetic Fields - Exposure Limits

Exposure to time varying magnetic fields, from power frequencies to the gigahertz range can have harmful consequences.  A lot of research has been conducted...

Electric Motors

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...

Photovoltaic (PV) - Electrical Calculations

Photovoltaic (PV) cells (sometimes called solar cells) convert solar energy into electrical energy.  Every year more and more PV systems are installed...

Paths of Flight

GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:

Understanding Circuit Breaker Markings

IEC 60947 is the circuit breaker standard and covers the marking of breakers in detail. Any manufacturer following this standard should comply with the...

Our website uses cookies so that we can provide a better experience.
To learn more about what cookies are and how to manage them visit AboutCookies.org