capacitor

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  1. Z

    Whats up !

    transformer battery charger - http://overunity.com/16932/transformer-battery-charger/msg494683/#new Basically do you know what will be the voltage of the charged capacitor on the right side? the three phases have same number of turns. so 240 V AC 50 Hz is splitted into two 120 VAC 50Hz (left...
    • zapadug
    • Thread
    • attach battery capacitor right transformer whats
    • Replies: 6
    • Forum: The Welcome Forum
  2. J

    Burnt out start capacitor on car ramp

    Hi, i recent bought a 2 poster screw type car ramp. Changed the motor for a 2.2kw motor. Wired it up and tested it with nothing on it and it went up and down no bother. Put my 1 tonne Clio on it and it lifted about 1ft off the ground and then ground to a hault. It went back down no bother...
  3. B

    Lighting contactor with capacitor

    :welcome::conehead:Why are capacitor used across the contacts of lighting control contactors. I had some trouble with fluorescent lights blinking and found 48 volts coming thru the cap.277 volt circuit. Removed the cap and blinking stopped
    • Bill avoider
    • Thread
    • capacitor contactor lighting
    • Replies: 9
    • Forum: UK Electrical Forum
  4. S

    240v 1ph 1600W Table saw motor wiring question

    Hello everyone, This is my first post, so please bear with me. I am trying to work out how the motor to my table saw is wired. I bought it second hand and I think the previous owner has messed with it. One of the brush holders had been forced in and was touching the commutator. I am wondering...
  5. B

    What size capacitor do I need for extractor fan?

    Hi all, I was called out to a business as their kitchen extractor fan isn't working. It has 230v but only rotates after you physically give it a flick rotation. I believe that I need a new capacitor? It has a variable speed controller. The capacitor looks very old and the tech info has...
    • Bobchip
    • Thread
    • capacitor extractor extractor fan fan size
    • Replies: 4
    • Forum: UK Electrical Forum
  6. J

    "Electrical leak trace resistance" and "Anti-squelch interference capacitor"

    Hello, I am a translator translating a standards document from Chinese. There are electricity-related sections in this document which contain a couple of terms for which I have not found an adequate translation. These two terms translate literally as "electrical leak trace resistance" and...
    • Jaderoad
    • Thread
    • capacitor electric electrical interference resistance trace
    • Replies: 14
    • Forum: UK Electrical Forum
  7. A

    Medusa t2801 generator help!

    Hi all, My generator is only putting out about 50v when I start it up. After revving it for a bit it puts out 100v, but obviously still not enough for my 110v drills. It's quite old but don't really want to get rid of it. Anyone able to help with what's wrong with it? TIA Austin
    • Austin31611
    • Thread
    • being capacitor don't enough generator help! other
    • Replies: 5
    • Forum: UK Electrical Forum
  8. S

    Pulsating LED

    Hi all, I have an 82 coaster and I put together some day driving lights. Problem is, they pulsate. With my limited knowledge, I think I need a Capacitor in parallel, though I wouldnt have a clue as to what value Id be looking for? I looked around and it seems like Id need to read a whole book...
  9. G

    A question about the PHOTO-FLASH capacitor

    Hello, I want to make a circuit using a photo-flash capacitor rating above to 100uf/100v, but here in my country (Iran) i cant find this kind of capacitors. Can i use several normal electrolytic capacitors in parallel instead of it? Do several identical capacitors in parallel work as a single...
  10. R

    Capacitor headache :-/

    Hello all, I've got a 1956 Bernina sewing machine that, after DAYS of restoring/cleaning/oiling, decided to blow its motor capacitor. It was a wax capacitor and I'd like to replace it with a modern equivalent. All the local electrical services are baffled, one did find a 0.1uF filter...
  11. H

    Saccardo Motor Fault!

    hello, so basically the motor on my saccardo cut off saw has just stopped. how should i go ahead and diagnose such a motor? i have had a little fiddle with it taking the motor off the cut off saw. Connected it to power, when i press the trip switch it has on it, it makes a noise but dose not...
    • Hari Jones
    • Thread
    • capacitor fault listed motor someone using
    • Replies: 14
    • Forum: UK Electrical Forum
  12. D

    need help to find capacitor and choke type

    I do not know if this is the properly place for this thread sorry if not I have a graphics card and I break some of capacitor and choke first capacitor red color fp 38bn 8 2 1 2.5 second capacitor red color fp 38ud 2 7 1 16 choke maglc r30 where can I find this things ?
  13. C

    anyone know what is in a 3 phase power correction capasitor

    Disconnected a old one today stood about 600mm off floor said on front contains hazardous substances. Does anyone know if they full of copper or just oil.there was some copper links in top . Has anyone ever dismantled one
    • chopper
    • Thread
    • 3 phase anyone capacitor knowledge phase power search types wikipedia
    • Replies: 17
    • Forum: UK Electrical Forum
  14. A

    Triple Core Extractor Fan Capacitor HELP !!

    Hi to all. I'm trying to fit a vent axia extractor fan in my bathroom. I have wired the fan via a 2 pole switch and a 3amp fuse. In short the circit runs : Bathroom Light = 3 amp Spur = 2 Pole Switch = Fan. For peace of mind no cables or switches are inside bathroom, switch is in adjoing...
    • Al2783
    • Thread
    • capacitor core extractor extractor fan fan help triple
    • Replies: 32
    • Forum: DIY Electrical Advice
  15. H

    Advice Re Motor Run Capacitor Please

    Hi I wonder if someone could please offer some advice regarding the replacement of a motor run capacitor on a band saw motor. The motor hums when switched on and the wheels only turn when they are turned by hand and I understand from a bit of research that this could be either the capacitor or...
  16. R

    Replacement capacitor

    Hi I need to change a capacitor on a pump motor for a jacuzzi. I've been searching google but can't seem to find one with these specifications (see photo). Any help would be appreciated, Thanks
  17. M

    Fault table saw Advice needed

    In the Workshop we have table saw which sometimes doesn't start just hums and you need to start the with a bit of wood, I have only just started with them and they asked if it could be fixed for me its a capacitor problem but i don't want to say order a new capacitor and it will it work in-case...
    • Maestro
    • Thread
    • advice capacitor fault ideas needed start table table saw
    • Replies: 3
    • Forum: UK Electrical Forum
  18. K

    How to design Capacitor Bank?

    Every main incoming circuit is fed together with capacitor bank. however, all assumption of loading is made from loading calculation from downstream circuit to upstream circuit. Thus, how to size or design capacitor bank? from information searched, some capacitor bank are 525V and some are...
  19. jibjob

    Whole House Ventilation capacitor replacement

    I've been asked to look at a whole house ventilation system that's stopped working. I've narrowed it down to the capacitor but I'm having real problems finding a replacement. It would help my search if I could identify what type of capacitor it is ie dual run, start/run type. The body of the...
  20. R

    four post car ramp 3 phase to single phase conversion

    Hi , I am new to the forum not a sparky but Physics background .had to make the decision with a car lift whether to buy an inverter or change to a single phase motor . My lift is a Bradbury 40 series 4 tonne .The motor does not need to reverse as it is gravity that takes it down .Also purely...
    • richard feynma
    • Thread
    • 3 phase capacitor car conversion motor phase single single phase start
    • Replies: 13
    • Forum: UK Electrical Forum

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