drive

  1. M

    nice view at work today

    A nice 33 degrees today in perth. Not a bad view from site either
  2. L

    split tv screens from a shared hard drive ??

    Builder customer of mine has asked me to put 2 cold tv ' s on the wall , there are about 4 or 5 of them in an office where they share a hard drive. They want to use a timetable programme, where they can all access and change things (dates/times etc.) , they want this to be displayed on across...
  3. S

    Drive way lighting

    Hi guys I'm going to be getting my driveway block paved In September. Now I want to put around 6 lights in, hopefully the block pavers can run the cable in when they concrete and stand and get them into the sleeves of the lights. Any one recommend led drive way lights at a good price? Thanks
  4. S

    Outside drive way up lighters

    Can anybody help regards to the best way on how i install drive way uplighter never done these before i.e do i need to use armoured, connecting in the ground etc and working around the guys laying the driveway cheers in advance
  5. G

    Electrical drive systems

    hello l have these specification for my motor drive system this is to be installed in a gas production facility and would be greatful if l could get help in picking the right Starting system , protection for these specifications. The load conditions that the motor will operate in are:- Maximum...
  6. F

    Drive Lights

    I'm having a new drive in a couple of weeks and I'm half thinking maybe I should put some lights into the drive but can't decide what and looking for suggestions, I could fit some walk over lights around the edge but I'm not sure how far apart these should be, I dont want to illuminate the sky...
  7. gnuuser

    drive by?

    i was reminded today about an incident that happened to me so to lighten the moods a bit i decided to post it here last fall while out for my evening walk i was the victim of a drive by (pumpkin) some young goofballs were riding around in pick-ups trucks wearing halloween masks and lobbing old...
  8. S

    ABB ACS 141 Inverter drive

    Was asked to look at a fault with a pump that had been reported to have tripped a couple of times over the last few weeks. The setup is a ABB ACS 141 inverter drive(230Va.c) wired to a 2.2KW 1phase/3 phase motor, wired in delta at the motor 220v/240v supply. The pump ran up ok if not sounding a...
  9. markc123

    Women, seriouslly, can't drive!

    Driving home from work end of last week....woman pulls out of a side street like schumacher straight into side of me, i mean she literally came out at probably 40mph, guessing she hit the accel instead of the brake. Completley wrote my van off :( Shes accepted responsibilty though thankfully...
  10. S

    Investor Drive

    Hi there, I am a newby to the forum and was wondering if anyone could tell me how invertor drives actually work?.
  11. S

    Robertson Square Drive Screws

    Just used some great screws self drillers they are Robertson square drive screws from www.squarescrews.co.uk Contact them and mention electricians forum for a discount. Standard wood screws , self drilling and self tapping available.
  12. M

    Damage caused to VSD from insulation tester voltage

    Hi, Can any one advise me about the actual damage caused to a frequency drive if flashed with 500 vdc from an insulation tester? I have an ABB ACS800 0100 drive (100kw) that has been flashed by someone. The drive uses IGBT modules fired from a control card, will it be the IGBT modules that...
  13. D Skelton

    People drive me mad!

    Ok, so I'm registered with Rated People. I don't use them very often but once or twice I have purchased a lead that has turned out to be very profitable. I usually get about 10-15 emails per day from them and most are just deleted however this one caught my eye! Now this isn't a rant about Rated...
  14. G

    Machine safety relay or not?

    Hi, I have an industrial mixer at work that used to be powered by a dual speed motor. These particular motors are expensive and not always easy to get off the shelf in the event of a breakdown. I have replaced this a 4 pole single speed motor, controlled by an Inverter. The old motor was...
  15. O

    motor, contactor or overload fault?

    guys, got a motor tripping an overload. Too much current is been pulled however how can I be sure its the motor and not the contactor or overload that is causing the problems. Have checked resistance across terminals and compared with a similar circuit and tbh they are the same but I need to be...
  16. L

    Which source drive the star delta contactor

    Hi sorry for my newbie question, I've a question about a star delta starter. What exactly drive the mechanical contact in contactor, is't AC 240/220V separate source from L1,L2,L3? thanks.
  17. G

    DOL starting 3 Ph Motor and an RCD

    Hi, I am having trouble with a 3 phase motor (about 1kW I think) and a tripping RCD. The motor is DOL started through a contactor and thermal overload. Starting the motor causes the RCD to trip instantly. Is the starting of the motor causing this and would soft-starting the motor solve the...
  18. C

    cctv system needed , only need 2 cameras, AND HARD DRIVE THAT RECORDS FOR 2 WEEKS

    Can anyone reccomend to me, iv never fitted one but heard theres not much to them, is it just a plug in job or do cables need terminating ? Any help be good cheers
  19. O

    Car lift not working correctly

    Hello everyone i am new to this fourm. I have a big problem here. I have a zavagli santi z21 2 post garage lift . There are two motors (Belt on each motor on each post). (Not hydraulic ) Specs - Art:z21 Max-20A 220v 50hz The problem is when i lift the Lift one of the motors is lifting a...
  20. B

    Earthing on multi core 3 phase system

    Hope someone can advise, present cables supplying power to a drive for a 453kW DC motor is 2 x 400mm single core cable per phase. Motor is being upgraded to 630kW, the installer wishes to install an additional 400mm per phase to carry the load for the new motor. There is some debate as to the...

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