The importance of limiting voltage drop
You may not know that the National Electric Code doesn’t make complying with its voltage drop criteria mandatory. But there are still some important…
The Nuclear Electrical Engineer
Here you can find design tips on technical skills like cable and breaker sizing, short-circuit evaluations and more, PLUS deep-dive analysis of nuclear-specific topics like design basis, Tech Specs, UFSARs, and safety-related SSCs — built from primary source documents.
Articles here are about how to size cables.
You may not know that the National Electric Code doesn’t make complying with its voltage drop criteria mandatory. But there are still some important…
Voltage drop is a basic skill required for every electrical engineer in the nuclear power industry. Here’s a summary of how it’s calculated. There…
It’s helpful to be reminded of the basic physics underlying the basis for the temperature rating of conductors . . . .
There are numerous ways to go about doing this. Here’s one that is sure to work. It’s concise: five steps . . . .
Cables can be purchased that are rated for different temperatures. The three most common conductor temperature ratings are 60ºC, 75ºC, and 90ºC . .…
Here are three common scenarios that you need to keep in mind when sizing a new cable. Its ampacity will have to be derated…
This is one of the first things an electrical engineer in the nuclear power industry will probably do: sizing a cable by determining, among…
Cable insulation is often known to nuclear electrical engineers by an industry shorthand. The different shortcodes describe different materials and properties. Here you can…