What Is A Black Start Of The Power Grid?

Why HN readers recommended it

Go-to reference whenever a major blackout happens, recommended as an excellent explanation of why black starts are hard.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

Practical Engineering

Topic

power grid black start

Format

explainer

Level

general

HN recommenders in dataset

6

HN mentions in dataset

10

Recommendation years in dataset

2022–2025

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• Practical Engineering did a really great video a few years ago on why black starts are hard, complete with a tabletop demo about the physics of synchronizing large spinning generators: [VIDEO]

• Heh, it's easy to model when you have a few generators, especially when one is much bigger than the others on the grid. But what's fun these days is you can have an absolutely huge number of generators. Keeping things in phase just seems insane …

• The Practical Engineering Youtube channel has a very interesting video on black starts of an electrical grid [0]. Are there any additional challenges in turning a grid off? [0] [VIDEO]