ups

  1. i=p/u

    Testing ups sockets...

    Any dos and don't I should be aware of???? Or experiences.
  2. S

    Generator set with ATS and UPS

    Hi guys, been wiring up a 3ph 20kva generator set and auto transfer switch, mains supply is 3ph TN-C-S 80a cut outs, the set is a Perkins with deep sea electronics 6120 controller. The set runs ok until I turn on the circuit (ring final) that has the ups's in the server room on, the load is...
    • spidersparks
    • Thread
    • circuit controller generator generator set problem ups voltage
    • Replies: 2
    • Forum: UK Electrical Forum
  3. G

    Zs Readings from a 20KVA UPS system

    Hi peeps I have been asked to test a 'continuous' 20KVA UPS system. Which means the supply goes through the UPS first, and in effect with loss of power you will have changeover instantly. The consultant has suggested to just get the dead readings, and calculate. Whilst I am happy doing this, I...
  4. S

    To Buy Solar UPS

    In India the power is major problem. So I want to move to the green energy (Solar Energy). Is any ups manufactures provide Solar UPS in India?
    • shiamnareen
    • Thread
    • energy solar ups
    • Replies: 1
    • Forum: The Welcome Forum
  5. 1

    Security Roller Shutter doors on 1300VA UPS

    Hello, I have been asked by a customer to provide a backup power supply for his roller shutter doors that protect his property. The motors that supply the shutter doors are a maximum 600W 230V AC (2.6A or 600VA) I have never been asked to provide a UPS for anything motor related. The need...
    • 1st Electro
    • Thread
    • arial doors power roller security shutter ups
    • Replies: 3
    • Forum: UK Electrical Forum
  6. S

    new start ups

    It's been a few months since I took the plunge and registered and set up on my own. Things are picking up, slowly but I did this with a medium term plan to have an established income stream by year 3. I have a local builder who sources out his electrical work to me 3/4 jobs per month I'm...
  7. J

    Advice needed please ups systems

    Hello All Iam installing a Small 8kva UPS we are ruuning a 50A supply to a sub board in the comms room where the UPS is then we we supply the UPS from that sub board. When testing Continuity R1 R2 on a 3 phase supply can i just test from the live conductors to earth 1 ant a time and note the...
  8. J

    Clean earth on UPS

    Hello All Within the next few weeks i am installing a small UPS in a comms room. The spec was to install a 5OA supply to feed the ups. Iam install a small Merlin Gerin TPN sub board in the comms room. There is a clean earth bar within the comms room. Would i take the earth from there for...
  9. J

    Newbie question, installing UPS at fuse board

    HI, I'm brand new and not an electrician so please accept my apologies for what might be a truly idiot question. In the past month, we have experienced a series of short (less than 2 seconds) power outages. These happen at random, often at night but sometimes during the day. The entire street...
  10. C

    Metrel eurotest xe & UPS odd readings???

    Hi all, I'm testing an unoccupied office block and I'm having some major grief with my tester trying to get Zs readings. The place was a call centrre for a computer related firm and as well as the normal supply it has a gert UPS in the plant room (p.resumably to keep the servers etc up and...
  11. J

    UPS Install

    Hi All I was asked to run a new supply in a comms room for a small IT service 1x 32A commando socket. When i gained access to the comms room today to look at what i thought would be a straight forward job. It was a 8kVA ups sitting there not a small comms rack. The data on the UPS states...
  12. P

    Pat testing UPS

    Hi,i will be starting a new job in a weeks time,which involves a certain amount of PAT testing.As my experience lies within the Industrial sector i was wondering if any of you guys could offer some advice / guidance on how to test UPS.Thanking you all in advance.
    • Paullestrange
    • Thread
    • pat pat testing testing ups
    • Replies: 9
    • Forum: UK Electrical Forum
  13. C

    500KVA UPS transformer scrappage

    Hi Everyone! I am currently working on a job that requires downgrading 3 no. UPS systems 500KVA to 350KVA systems. We have today removed the old 500KVA systems that included 3 no. transformer panels. Each panel has two transformers inside, one weighing 900kg and the second 1250kg. What is...
  14. B

    Any one completed the job write ups for their JTL Portfolio???

    Hi people,, I have finally completed my 3years at college and so far done all the underpinning knoledge questions apart from my job write ups and my AM2. Is their anyone out their that can possably send me a copy of thiers or an example sheet so that i can get an idea of what needs to be put...
  15. rmaynard

    can anyone suggest a UPS for a roller shutter

    as above, has been asked to quote and install a UPS device for a security shutter at my local doctors surgery. Problem they have is they are looked out if theres a power cut as there is no manual crank. ideas please
    • rmaynard
    • Thread
    • anyone aus roller shutter suggest ups
    • Replies: 3
    • Forum: Australia
  16. polo1

    Testing of an RFC linked to a UPS

    Hi all, bit of advice please - as the title, I have been asked to test a RFC which is served by a UPS. It's in an alarm receiving center. Any advice on what I need to watch out for, testing protocols etc? Not workred on this kind of set up before. Regards.
    • polo1
    • Thread
    • aus before isolated linked rfc system testing ups
    • Replies: 5
    • Forum: Australia
  17. S

    UPS supply

    Been to look at a job for a client who has acquired a large EATON powerware 9390 UPS. Any tips on installing this? It will control the 3 phase D/B for his large computer suite.
  18. W

    UPS and IPS....

    Hi there, I know that a UPS is an Uninterruptable Power Supply and is a battery backup for a mains failure, but what is the difference between UPS and IPS? I have seen IPS being referred to as Isolated Power Suppy, Instant Power Supply, Integrated Power Supply and Isolated Power Supply. Which...
    • whazza22
    • Thread
    • aus ups
    • Replies: 16
    • Forum: Australia
  19. T

    Earth fault loop impedance readings through a UPS supply

    Does anyone have any experience in recording values of EFLI on circuits fed through a DB supplied via a UPS please? The meter shows the above scale arrow. I understand that there will be no reference to the external earth due to the inverter inside the UPS but what will happen to the UPS...
  20. D

    UPS and three way bypass switch...

    Don't know if anyone can give some insight on this: UPS and a three way bypass switch:<br>Position 1 - &nbsp;Normal (UPS Power)<br>Position 2 - &nbsp;Bypass &amp; UPS (Mains Power / UPS On)<br>Position 3 - &nbsp;Bypass (Mains Power / UPS Off)<br><br>What could overload the UPS and cause it to...
    • drcat
    • Thread
    • bypass cause position power spark switch three three way ups
    • Replies: 2
    • Forum: Talk Electrician Forum
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