output

  1. L

    What Lamp?

    Im still on this garden lighting lark at the moment and have come purchase some lamps. What would you guys use for gardens? GU10 Led(equiv 35w) -warm white -cool white What Lumen output would you go for?
    • LankyWill
    • Thread
    • changing colour lamp output
    • Replies: 14
    • Forum: UK Electrical Forum
  2. M

    Help with sourcing replacement power adapters

    Hey guys I'm new to this forum and looking for some advice from all you guys who know your stuff when it comes to everything electrical. I'm a creative filmmaker so naturally not clued up on adapters and things but I have LED lighting panels we use to light scenes and interviews and things and...
    • Martin Cambridge
    • Thread
    • attach higher output power replacement
    • Replies: 5
    • Forum: UK Electrical Forum
  3. G

    Dd0

    Where would a Dd0 transformer be used in the UK? Or an IT supply outside of medical for that matter?
  4. K

    Question help

    any help with this greatly appreciated..the output of a series dc motor when connected to a 230v supply and running at 1320 rev/min is 3.5kw. the supply current for this loading is 20.5A 1.calculate torque developed 2. Operating efficiency
    • Kiwi k
    • Thread
    • brackets efficiency output power question torque
    • Replies: 11
    • Forum: Talk Electrician Forum
  5. S

    Led tubes vs fluorescent

    Good evening guys I cant seem to find any led tubes that give out the same light output as fluorescents Anyone can point me in the right direction in particular looking for A 4ft led tube with 3k lumens+ Seems to me there's abit of a con where the manufacturers are saying 50% saving etc but...
  6. Phil Thompson

    Floods for a Golf Driving Range

    Hi guys, been asked at short notice to put in a price for a job. It's an existing driving range, they have put in an extra 6 covered bays. They are now looking those to be lit along with the area in front that users will be hitting onto. They are looking for the first 125yds to be well...
  7. G

    LED Problem, help please!!!

    Hi all, Hoping someone can help with the below and excuse my novices!!!! I have 8 Parathom LED spot 111 50 advanced lamps wired in series, they are each 8.5w and are replacing existing halogens. I am struggling to find a driver that is able to run them all and have spoken to Osram who were no...
    • Gringoking88
    • Thread
    • direct help please led output please problem products transformer
    • Replies: 5
    • Forum: Lighting Forum
  8. Rincewindwiz

    Panel Outputs. A newbie needs some advice please.

    Hi All I got a solar panel installation nearly a year ago. (Nov 2015) 12 panels (Sunmodule Plus SW250) on the roof and 4 on the garage roof (same direction nearly the same tilt) Faces S; minimal shade; I'd guess about 40 degree tilt. 12 panels are tied to 1 inverter (Afore HNS3000TL-1) and the 4...
  9. Lexlee

    Advice For 240v To 12v Output

    Hi, First post on this forum so please excuse my lack of knowledge. I have a 12v 300watt water heater /hand wash with fold down bowl (type fitted to some work vans etc) that I thought about fitting to my caravan. Here comes the lack of knowledge, 1. If I connected it to the 12v in the...
  10. D

    Annual AC Output Calculator

    A little spreadsheet I put together to calculate the Annual AC output of a PV array using the MCS Postcode Data. Just enter the postcode, slope, orientation Shading Factor & the Array Rating. https://docs.google.com/spreadsheets/d/1dJB5w9gRxrlsUiysR47pVWSeEedKgGMS2Qhrt8VwBYE/edit?usp=sharing
  11. C

    Water heating

    Hi all, was looking some advice on using a solar panel to heat water through summer months. Instead of a large PV arrangement I was hoping to buy a single panel that could output max 250w, and connect it directly to water heater via change over switch. My immersion heater is rated at 2500w and...
  12. D

    generator/alternator to inverter wiring?

    Hi all and thanks for reading. i am a novice at electrics so your help is greatly appreiciated right i have an inverter (110v 5kva) for my van and it runs off its own alternator. there are six wires which are 12v negative, 12v positive, these i understand and are used just to power the...
    • dandy1
    • Thread
    • alternator generator inverter output phase wiring
    • Replies: 9
    • Forum: Auto Electrician Forum
  13. R

    How to wire this LED?

    Ok first off I have absolutely no idea about anything to do with electrics, so don't judge me on what's probably a stupidly simple question[emoji14] Basically I was wondering how I would wire this LED to a heatsink and how it would be wired so as it can be plugged into a household socket (the UK...
    • ruairidh_
    • Thread
    • current driver how to led output wire
    • Replies: 26
    • Forum: UK Electrical Forum
  14. I

    Flashing orange LEDs turn on and off randomly.

    Hello all. I work at a rescue boat and we use a converted Thwaites 5 ton dumper truck as our launch vehicle. It has orange flashing LEDs on the front but sometime they will just turn off. Obliviously theI sea water has its effects on the tractor but it seems at low rpms the lights turn on and...
    • isaacdyer
    • Thread
    • alternator causing check flashing led leds off orange output problem
    • Replies: 5
    • Forum: Auto Electrician Forum
  15. D

    drill charger

    just been given a drill charger to see if i can get it working. personally it smells of smoke to my nose, its a "worx" 18v drill i only got 5-8v output on the pins but when i open it up and found the cable from the plug i had 3-5v (changed a bit) No load. its spose to be 18v 500mA Dont know...
  16. The Solar King

    Output estimation method in October 2012

    Involved in preparing a report on a system installed 3 years ago due to the fact the roof is leaking. You would have to see it to believe it. (not installed by me I should add). Output is also pretty poor and a mile off that stated on the MCS reg document. Such a long time ago am struggling...
  17. C

    PV Output Calculation Steps

    Hi guys, For my current dissertation project at The University of Strathclyde, I am attempting to build an Excel model which calculates PV output for given direct and diffuse solar radiation levels. I have attached below the calculation steps (within figure and as attachment) that I was taught...
  18. Worcester

    Solaredge zero output

    Anyone else had this problem? Client rang last week to say his system hasn't been generating since September (duh....) Attended site, 8V off the panels (2kw - 8 x 250W east / west split) Power Ok to inverter, checked the fuse as per Solar edge instructions - appeared to be 'blown' so...
  19. C

    Lower energy generation from all black panels?

    Afternoon. I have potential customer questioning whether all black panels will perform as well as panels with a white backing on the basis that they will become hotter more quickly affecting energy generation on warm sunny days. I can understand the logic but have never seen hard evidence to...
  20. HappyHippyDad

    Voltage drop and it's effect?

    Hello all, just been thinking over Voltage drop!! 1. Where does the 3% and 5% figures for voltage drop (VD) come from? Appendix 4 (BS7671) gives the figures but why the different values between lights and sockets? 2. Also permitted voltage levels are -6% and +10% from 230V giving a min of 216V...
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