How do high voltage surges affect lightbulbs?

Click For Summary
SUMMARY

High voltage surges can affect lightbulbs, but they are generally more resilient than electronic equipment. A bulb connected to the output of a step-up transformer is brighter due to increased voltage. While fictional scenarios may suggest that a power surge could cause lightbulbs to explode, real-world evidence indicates that bulbs, particularly those rated for high voltage surges like those from Philips, can withstand such conditions without failure. The discussion highlights the importance of understanding the voltage supply and the resilience of different bulb types.

PREREQUISITES
  • Understanding of electrical concepts such as voltage and current.
  • Familiarity with step-up transformers and their operation.
  • Knowledge of lightbulb specifications, particularly surge ratings.
  • Awareness of electrical safety standards and practices.
NEXT STEPS
  • Research the specifications of Philips 'country-rated' lightbulbs for surge resistance.
  • Learn about the effects of voltage surges on various electrical devices.
  • Investigate the design and function of step-up transformers in electrical systems.
  • Explore electrical safety measures to protect against high voltage surges.
USEFUL FOR

Electrical engineers, lighting designers, and anyone interested in the effects of high voltage surges on electrical components.

labview1958
Messages
37
Reaction score
0
The bulb connected to the input of a step-up transformer is less bright than a similar bulb connected to its output. Why?
 
Engineering news on Phys.org
Because there is more voltage at the output of a step-up transformer than at the input.

Lamp brightness depends on supply voltage. It gets brighter as the voltage increases.
 
I have a question regarding bulb brightness but it is not particularly scientific as it is fictional for a humorous short story I'm writing. The main character is fooling around with electricity when I huge power surge spike runs into his lab wiring. Would that explode the light bulbs or is there some kind of bulb, industrial strength, whatever, that could withstand a gigantic power surge spike and getting blinding bright for a second or so?

Thanx for your help. :)
 
funops,

You better start a new thread.

I have seen a lot of times electronics equipment failiures attributed to high voltage surges by the vendor. I have never heared a bulb or light becoming victim of that surge.
 
mabs239 said:
funops,

You better start a new thread.

I have seen a lot of times electronics equipment failiures attributed to high voltage surges by the vendor. I have never heared a bulb or light becoming victim of that surge.

I've seen 'country-rated' lightbulbs (manufactured by Philips, so I assume it's legit) that indicated they'd withstand the surges and sags seen after kilometers of transmission lines. However as a city-slicker, I have no idea of how serious of an issue this actually is.
 

Similar threads

  • · Replies 3 ·
Replies
3
Views
3K
  • · Replies 13 ·
Replies
13
Views
3K
  • · Replies 4 ·
Replies
4
Views
3K
Replies
4
Views
2K
  • · Replies 21 ·
Replies
21
Views
3K
Replies
6
Views
2K
  • · Replies 6 ·
Replies
6
Views
4K
  • · Replies 8 ·
Replies
8
Views
2K
Replies
1
Views
3K
  • · Replies 57 ·
2
Replies
57
Views
13K