capacitor

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  1. King Mustard

    Trying to replace capacitor - which one do I choose?

    We are trying to replace two "blown" capacitors on a seven-year-old computer video card. The capacitors appear identical and state, amongst other things, 6.3V/1500uF. When we use that information the RS Components website, there are 24 results. Can you help us find the correct one? P.S. I...
  2. T

    Capacitor to stop RFI......i think

    hi folks, today ive found myself at a job where there is a humming on a sound system. The humming is coming from a mic line that has 4 mics on it wired in series and the line is left open, each mic has a switch which switches in the mic capsule. I think the hum is rfi, i have tried a resistor...
  3. I

    RCD Tripping - Boiler Control Box

    Hi Guys, Hope someone can shed some light on a recent problem: We have attended a problem whereby an RCD was tripping in a property due to a capacitor (suppressor) in a boiler control box shorting. We have removed the capacitor, and now all seems well. The questions are, Does anyone know...
    • imprints
    • Thread
    • boiler box capacitor control problem rcd rcd tripping source tripping
    • Replies: 5
    • Forum: Central Heating Systems
  4. S

    Air con start capacitor

    Hi all I have query with the wiring on a Mitsi' Mr Slim air con capacitor. The circuit diagram shows the capacitor wired in line on the live out put from the contactor to the start terminal on the compressor, how can this work as a capacitor without a neutral connected?. Thanks
  5. D

    Running a 24V DC Motor from a capacitor

    I don't have much exp with capacitors and I wish to run a 24V DC motor (2,82W) from a capacitor for a short period ~2 seconds. The situation is when a switch is made i need the motor to run, it will start but then the switch returns instantly to off position and I need the motor to run on a...
    • dangerwalk
    • Thread
    • 24v capacitor dc motor motor running
    • Replies: 4
    • Forum: UK Electrical Forum
  6. R

    Motor capacitor wiring

    Hi im new to the forum, its pretty late too so jjust going to be brief :) , I have a airconditioning fan motor for an external toshiba unit with no wiring diagram and was wondering of anyone could work it out the motor has 5 wires Brown Brown Red Black White, the 2 brown wires have 0 ohms...
  7. J

    capacitor sizing.

    hi all, was not too sure where to post this thread so ill put it here for the now. :smilewinkgrin: just a quick one, at work i have a machine that has shuttles running down it, its an automated picking machine. the shuttles run along 48v dc buzz bars, 48v, 0v, and safety circuit. all shuttles...
  8. R

    air compressor faulty

    hi just wondering if anyone can help me i have a air compressor, the type used for spray guns, air tools etc that is no longer working. I opened the case as I could smell burning and found the capacitor was all melted and blown, it was a 25mf so I changed that and the compressor fired up again...
    • ritchiehulse
    • Thread
    • again aus capacitor compressor fault faulty motor
    • Replies: 15
    • Forum: Australia
  9. S

    Resistors and capacitor going bang.

    Been doing some electronics experiments with the students. Fairly easy stuff, but i have to admit the last time i did this stuff was when i was where they are now, and that is more years ago then i will admit. Anyway, we have soldered some resistors in series and parallel, added capacitors and...
    • SirKit Breaker
    • Thread
    • aus bang capacitor going resistors
    • Replies: 4
    • Forum: Australia
  10. K

    Generator problem/question

    Hello Electricians here. I have a Prob/question and am hoping that someone can shed some light over here. I have a small portable generator driven by a petrol engine. 2 outputs = 220v and 110v But the generator will not generate, I have checked the wiring I can and all switches seem ok ...
    • kiko
    • Thread
    • aus battery capacitor engine generator output
    • Replies: 5
    • Forum: Australia
  11. G

    Flashing Light bulb when switchs are off...

    I consider myself a fairly experienced electrician for my age (22), qualified to 2330, nvq3, am2, 2391 (with a more industrial background) but my domestic fault diagnosis is fairly limited so would appreciate any comments/help on the following situation. I've come across a single pendant...
  12. SX2

    Motor capacitor size?

    Hi guys, I have a 1.5 hp single phase motor with a blown capacitor but it has been painted and i can not tell what size it is, can any one help me with what capacitor to use? Many thanks
    • SX2
    • Thread
    • canada capacitor motor size
    • Replies: 1
    • Forum: Canada
  13. N

    Component name on a laptop motherboard.

    Sorry for the lame question... I have got an acer aspire 1670 laptop motherboard. Could anyone please tell me the name of the component on the picture below under the red arrow? resistor? diode? https://picasaweb.google.com/lh/photo/EwW_EhV_Vqeoit6lwXqvAphKRpdbdZMR2g80XAskZZg?feat=directlink...
    • nagper
    • Thread
    • aus capacitor component laptop measure someone
    • Replies: 35
    • Forum: Australia
  14. J

    240v car ramp motor issue

    hi everyone First and foremost id like to apologise, I am not an electrician I just would like a bit of your knowledge if any of you can help id be iternally thankful. I recently bought a 2 post car ramp that's single phase, not modifed to be but is actually made as a single phase...
    • john_rdy
    • Thread
    • 240v canada capacitor car issue motor motors
    • Replies: 10
    • Forum: Canada
  15. Kamikaze

    A Sexual Encounter between a Capacitor and an Inductor

    One evening, with his charge at full capacity, Micro Farad decided to get a cute coil to discharge him. He went to the Magnet Bar to pick up a chip called Millie Amp. He caught her out back trying self induction; fortunately, she had not damaged her solenoid. The two took off on his megacycle...
  16. F

    capacitor

    i know capacitors are mainly used for power factor correction, has anyone ever used them in domestic property??
    • fire
    • Thread
    • aus capacitor
    • Replies: 13
    • Forum: Australia
  17. J

    Capacitor equation

    Can anyone help with this college equation? 3 x capacitors in parallel - 10pF (To the power of -12), 15 uF (-6), 25 nF (-9). What does Ct = ? Tutor says 10 (-6), I think 10 (-14). Thanks:confused:
    • jimmyjazz
    • Thread
    • aus capacitor equation
    • Replies: 9
    • Forum: Australia
  18. D

    capacitor sizing calculation

    does anyone know how to calculate capacitor sizes for capacitor start, capacitor run single phase motor? manufacturer info not available.
    • devon1
    • Thread
    • calculation canada capacitor sizing
    • Replies: 0
    • Forum: Canada
  19. L

    Urgent knoledge needed

    Can anyone help me out here I'm doing my 204 and it's asked me to explain why the supply current is reduced when the capacitor is in the circuit It also says when the choke voltage is added to the lamp voltage why does it not equal the supply voltage I've got about 5 lines to fill any...
    • lofty84
    • Thread
    • aus capacitor circuit led needed power supply urgent voltage
    • Replies: 1
    • Forum: Australia
  20. E

    Wiring a switch for 240v reversible capacitor start hoist

    I just bought a 2nd hand Leuropea HE200 electric hoist for a DIY project but the control switch is missing. The motor is a reversible 240v single phase with a capacitor start. I'm wondering how to wire it up? I have attached a circuit diagram I have draw up. I hope it is self-explanatory. My...

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