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output

  1. C

    USA Good volts but low power output

    I'm having a problem with the electric running to my shop. I have electric, but when my compressor or chop saw is running, the lights go extremely dim, and the saw is not running at full speed. The compressor is struggling when it is trying to build up. I've checked the voltage at the circuit...
  2. T

    Toyota 2H alternator output

    Hi I’ve got a 1985 HJ75 Toyota Landcruiser with a 2H 4.0 diesel. I’m having problems with either the alternator or the external regulator. Can anyone please help me with what the output should be at the alternator and also the output at the regulator? Both the alternator and regulator are new...
  3. T

    Domestic DIY Stepper motor output reducer

    Hi, Minor time DIYer mostly doing little fun projects, so my skill level is a bit limited. well, I also have a 3d printer. Now, I know all electrical motors generate AC power when freely spinning. Problem is, when there is a need to manually move the head or the build plate, this, of course...
  4. D

    PV Panel - Output Deterioration

    Hi all, Looking at a project whereby client wishes to use some second hand (approx. 8 years old) panels, inverter etc. he has acquired from a demolished property. Before getting subbies in to quote on re-installing them I am wondering your opinion on the output of the panels as someone has...
  5. gazdkw82

    Ring floodlight camera light output

    Customer wants to change a 50w led floodlight to a ring dual light/camera. They have expressed concerns the ring won't deliver the same amount of light as the current 50w LED one. I have spoken with ring and they have said it's 45w per light (90w total). This figure seems alot. Anyone have...
  6. S

    Domestic Can I use a 3 pin plug with this LED batten?

    Hi I have seen a 4ft 36w LED Batten at Screwfix which looks ideal for my room where I need some temporary lighting. The description says "Self-contained, budget LED batten. Supplied with 1.5m pre-terminated cable."...
  7. A

    12v car battery. How to lower amperage output for a device?

    How do I lower the amperage output best for a device that will suck my car battery dry without loosing too much energy? There are several methods but I would like to know a way to say get around 1 ampere max out to my device the most energy efficient way. Not loosing too much to heat. The...
  8. Dean Theobald

    Dimmable Driver With 240v Output!!!

    Hi everyone!!! I need some help. I’m looking for a dimmable 1-10v driver with a 240v input and 240v output. Can anyone point me in the right direction. Many Thanks
  9. telectrix

    LED Driver. unusual output voltage.

    as pic. anyone know where I can source this? 60 -90V output.
  10. D

    Why, on a given turbine, a smaller generator would generate less output?

    Hello everyone, I am a mechanical engineer with litle knowledge about electrical so I need advice from people knowing about electrical system. Having a wind turbine that I am testing at the moment, I first placed a big generator (PMG 500kW 690V @ 300RPM - 18000Nm) behind it and it could...
  11. T

    what determine the alternator output current

    Do alternators obey Ohm’s law? The alternator output voltage is proportional to the rotor excitation current. When reducing rotor excitation, the output voltage drops and the load resistance stays constant. Can why still use ohm law to determine the output current. Example alternator 480 v / 4...
  12. G

    Kitchen cooker connected to fan

    Hi Guys Currently doing some work In a hotel who are looking to re-open their kitchen for meals, ima, installing a new cooker and someone fro, HSE has been out and said the cooker must be connected so that it will not work unless the extractor fan is on. The fan is vent-axia 450-14 fan with a...
  13. U

    DEWALT Flexvolt 18v-54v batteries

    Been looking into these batteries from dewalt standard 18v battery but has an output equivalent to 54v. Bloody expensive but they look like they will last ages and produce some serious output...
  14. 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?
  15. 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...
  16. G

    Dd0

    Where would a Dd0 transformer be used in the UK? Or an IT supply outside of medical for that matter?
  17. 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
  18. simpson93

    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...
  19. 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...
  20. 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...
  21. 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...
  22. C

    Domestic 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...
  23. N

    Industrial Running container off generator

    Evening All, hopefully i I can explain this without going around in circles. I work for a youth group and we have recently taken deliver of a container unit which we plan to use for working on DIY projects with the young people. When we ordered the container there was option so I added an...
  24. D

    Domestic 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...
  25. 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...
  26. isaacdyer

    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...
  27. DuaneMHunt1976

    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...
  28. 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...
  29. 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...
  30. joel89

    Tv Aeiral installation

    I have recently installed a new aerial mega booster with a 1 in 4 out amplifier, it comes with a 12v signal booster which has to power it, my question is I'm feeding 4 TVs do i need to signal boost each cable individually?! As on the booster its only got 1 input from amplifier on the aerial, and...
  31. truckster

    Led drivers brain fart

    Am I having a brain fart?? I fitted 4no. two gang sockets fed from a 5A fuse in a shop for display lighting. The shop fitters arrived some time later and fitted a bunch of LED lights. Each driver states input as 1.2 amps and there are sixteen of them?? However each driver is only supplying...
  32. F

    3 phase heater problem

    Hi there, I have a number of 22kw heater sunning of 3 phase supply. There is a dial with 4 settings 1 being the lowest output 4 the highest. The problem I have is when ever it is set to maximum output it is knocking out the breakers not discriminating at the rcd but knocking out the main...
  33. T

    Commercial Generator and UPS

    Hi all. Hoping somebody can help with an issue I'm having at a school I do maintenance work at. They have a geni with auto transfer switch and ups providing back up to the IT equipment and phones. The ups works fine when geni is disconnected, but as soon as the geni fire's up the ups goes...
  34. R

    PLC switching

    If you wanted to use an output of a PLC to start a DOL motor, would the PLC output power be used to energise the coil on the contactor at 110v,
  35. G

    Commercial Generator + UPS Woes

    Greetings, I'm in the Philippines and have an office full of PCs that need to run with as little interruption as possible. Power is pretty reliable here in general, but we have rotational blackouts for an hour a day at the moment due to a regional shortage caused by damage from the typhoon in...
  36. M

    Mains to 12v Appliance?

    First of all, I have minimal knowledge of anything electrical so please forgive my ignorance! My problem is that I bought a portable heated handwash unit from eBay which is designed to go in a van. It's 12v 15a and 180w. You can see the unit in question here: Handeman for motor vehicles |...
  37. E

    Panel Performance Loss over Lifetime, reflect in k/Wh/ROI figures.

    I'm just trying to get some clarity on the above. We currently develop EPiSOLAR, software for people involved in Solar PV sales. At the moment we don't include any figures for panel degradation over lifetime, I've been in contact with MCS who have referred me to RECC who have been unable so...
  38. rustynails

    general purpose timeswitch help!

    hi all, I'm having a nightmare with a Newlec NL24HRTS 24 hour General Purpose Timeswitch. The customer wanted to swap an old pin type timer for this new timer. So I went about fitting it and I cannot get it to operate correctly. The time switch would be used to turn on 3 outdoor lights for...
  39. D

    low output until all panels in sun

    I have an electricity monitor on our 4kw pv system so I can see what the output is and I noticed today that about noon when all but the last 2 panels were in full sun it was outputting 0.3kw. As the sun moved and that last 2 panels came into full sun it went up to full output of over 3kw in...
  40. Mark.W

    Relay Choices

    Morning Chaps A customer has asked me to install a Carbon Monoxide alarm in his boiler room so that when CO2 is detected it switches off his boilers and also then illuminates a light on the other end of the building. I was thinking on the lines of a relay..... but which one?? Could someone...
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