ups

  1. Perci

    UPS supply problem

    Hi Recently we were asked to put in an 80A 3 phase supply to a UPS system, we carried out the work to the manufacturers guidelines with an 80A mccb in the panel board. To much annoyance of all the office workers, when the supply was turned on it blew all 3 of the main fuses that are rated at...
  2. H

    UPS connection common neutral supply & load

    Hi Maybe im over thinking this but need to connect a UPS system to a control panel, the problem is the ccts i want to connect to the UPS are split & all the neutrals are all connected to a single busbar connection unit at the moment which is all normal, but i need to connect a UPS to power...
    • howsitgoing
    • Thread
    • common connection neutral supply ups
    • Replies: 11
    • Forum: UK Electrical Forum
  3. multimick

    Ups

    no not the delivery firm. office has a 3 gang trailing socket powering a pc tower and 2 monitors .They say they are experiencing very short power cuts (less than a second) taking out the pc.Thinking of a UPS in front of trailing skt. Any ideas guys ? ring final checks etc are fine
  4. uksparks

    UPS on light circuits

    Hi, I have not thought this through yet so don't give me stick yet. I was just thinking of putting emergency lighting around the house as saw some really slick little LED things which are very discrete, anyway, it made me think, well why not just stick a UPS supply next to the consumer unit to...
  5. M

    B type breakers with in line UPS

    Hi I'm hoping that someone can help. I am adapting some circuits which are supplied via an in line ups. At present, the ups supplies a 72 way db and the final circuits are supplied from the DB. This is a laboratory research environment and it is expensive (about £20k a time) when they...
  6. S

    New buisness/start ups

    Hi this is sirectley for old employees or people who run there own company. I want to eventuall start my own electric company, mostly commericial and some domesitc, Its going to be a small local company and I will also be independant. I was wondering how much people earn on there own...
  7. T

    How to repair UPS 3KVA from Up Select

    My UPS 3KVA, from Up select has problem: when I turn it on, CB break and no output, I check boost circuit is ok but no output, please help me or anyone has circuit diagram?
  8. F

    NVQ Level 3 Job write ups

    I am looking for some assistance in regards to my job write ups. In all honesty i don't know how to start. The course advisor is not the best and seems to want to tell me to put it off for now but i want to get started as soon as possible. Does anyone have any examples they are willing to...
  9. D

    Used UPS systems

    Hello gents Ive been a sparks for 20+ years and work mostly in office refurbs. I come across so much old computer equipment and UPS systems all in great condition and it all just gets dumped....Im just asking if anybody knows of any companies that buys back at a fair price any used equipment...
  10. Doomed

    Caravan hook ups

    Testing a touring site for the first time - a.n.other has been doing it for years. Incoming TNCS to glorified shed in field, outputs to hook ups earthed by SWA sheath, not connected to the big metal dis board, terminated in plastic boxes and connected to a rod so is theoretically TT'ed. However...
  11. R

    generator feeding a UPS

    In a set up where a generator is feeding a ups unit on power failure, is the earth used from the board feeding the UPS or does the genny need an earth electrode, also what about the neutral earth reference is mains neutral in the changeover never broken.
  12. B

    Biggest **** (Foul Ups)

    After working late on Monday in what I thought would be an easy PM job.. 2 spot in a on suite.. Doodle.. So i start with the first which is above the shower cubicle.. as I am a short --- I need the steps. So position the gear in the cubicle (Tools Etc) i carefully get the steps in and shut the...
  13. B

    Emergency Power Systems / UPS

    I am trying to find more information on emergency power systems in public buildings. Is there a definitive source of information out there that I am missing? A Guide, code of practice, regulations, etc.
    • BillyBigBalls
    • Thread
    • emergency power systems ups
    • Replies: 2
    • Forum: UK Electrical Forum
  14. T

    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...
    • tjw76
    • Thread
    • different exactly filter generator output ups
    • Replies: 5
    • Forum: UK Electrical Forum
  15. S

    Ups output voltage anomaly

    I have been looking at an active UPS system in a lab feeding a small consumer unit and carrying out a periodic inspection of the fixed wiring (much help on avoiding problems with Zs values thanks to other posts on here). I did however come across an anomaly on the actual output voltages under...
  16. M

    Testing a UPS system??

    Looking for a bit if info and advice? Firstly like to say I have never tested on of these systems before but have been asked to do a job with one installed? Am I right in saying that I need the correct software on a laptop to start with??
    • marco86
    • Thread
    • don't software system tested testing their ups
    • Replies: 11
    • Forum: UK Electrical Forum
  17. H

    centeral battery UPS system

    Can an MCB be used instead of an RCBO for a supply to a UPS centeral battery system if the required disconnection times are met?
    • Hawk
    • Thread
    • battery cable earth installed system ups
    • Replies: 7
    • Forum: UK Electrical Forum
  18. C

    UPS system earth

    Hello! I have some questions about how the earthing of a one phase system. We want to connect this system to the national grid (will be in Tanzania but grid should work the same) while also having a battery bank giving energy. So the principles are about the same as for a ups system besides not...
  19. S

    Three Phase to Single phase Online UPS with a capacity of 15KV

    I want to build a three phase to single phase online UPS with a capacity of 15kv that can hold a backup for 15 minutes. Can anybody provide with specific circuit diagram, technical specification and stepwise instructions to do that? Thank you!
    • Samir Benjamin
    • Thread
    • capacity online phase single single phase three three phase ups
    • Replies: 7
    • Forum: UK Electrical Forum
  20. G

    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...
    • gdi2k
    • Thread
    • devices generator output power probably until ups
    • Replies: 4
    • Forum: UK Electrical Forum
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