Rules and Guidelines
Want to participate in the discussions? Please read our Community Rules and Guidelines. Need some help? Visit Support and Answers.

  • State Not Answered
  • Locked Locked
  • Replies 14 replies
  • Subscribers 33 subscribers
  • Views 2129 views
  • Users 0 members are here
Options
You may also be interested in
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

8 ft. Switch start fluorescent batten fitting.

Zoomup

I came across one of these yesterday. It has failed. I suspected the series capacitor had gone open circuit. The choke winding was continuous and the tube looked o.k. The fitting was removed and a new one fitted.

So, having forgotten the theory, how does the circuit work with an 8 ft. tube and a choke and series capacitor? What is the principle of operation?

 

Z.

Parents
  • 0

    8 foot fluorescent lamps were largely a UK thing, and never popular in most other countries. They are very sensitive to supply voltage and need a full 240 volts to operate reliably. They don't work well on 220 volt circuits and  are marginal on a nominal 240 volt supply if at the bottom end of the permitted range.

    The voltage across the lamp is about 160 volts, much higher than other types.

Reply
  • 0

    8 foot fluorescent lamps were largely a UK thing, and never popular in most other countries. They are very sensitive to supply voltage and need a full 240 volts to operate reliably. They don't work well on 220 volt circuits and  are marginal on a nominal 240 volt supply if at the bottom end of the permitted range.

    The voltage across the lamp is about 160 volts, much higher than other types.

Children
No Data

Community Rules & Guidelines