wind

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  1. i=p/u

    velux window opening when heat detector goes off

    as the title says guys, have been asked if this can be done , now ihave never thought of it before , anybody give me clue how this would work and what device will be getting added to do this. i will find out soon enough but i would like to have a little info for when the time comes.. thaanks
    • i=p/u
    • Thread
    • alarm aus detector heat off opening relay smoke velux wind window
    • Replies: 56
    • Forum: Australia
  2. G

    Solar Panel Rattle When Strong Wind

    Noticed this the other week when the wind was getting upto 40mph, it's like something is rattling when the wind is really strong then this is vibrating through the roof, my immediate thought was that one of the brackets clamping the panel could be loose, but after contacting the installer they...
  3. P

    Wind uplift

    Ok chaps how do u approach the wind uplift calcs? ive not produced any yet!!!! but no i need to start!!is there any software that can sort it!! i no senior members have the brain to sort it via BRE but just want honest opionons on what u lot do!i cant be the only one trusting in 25yrs of knowing...
  4. P

    4kwp system and roof wind up lift calcs

    Ok Senior members explain to me in simple terms please :) whats the point of fitting a 4kwp system if your inverta is set to G83 and will only push out 16 amps ie the 3680 max your allowed? if all invertas are set to G38 then can they push out more? also whats best way to get wind calcs sorted...
  5. W

    3.6 Kw PV with 6Kw wind

    Hi, I'm due to install a 3.6Kw system on a property with an existing 6Kw Wind turbine. I have applied for it with the DNO because it already has the 6Kw wind turbine. The installation is 3 Phase and I intend to connect the PV system to a different phase to the wind turbine. Has anybody had...
  6. C

    Max Demand Blown Out of the Window!!

    I'm working on a house that has no gas or oil, and it would not be easy to get bottled gas to it. So here is my problem, the client wants everything electric. So in his ideal world that would be: 2 x 9.6kW Instant water heaters 1 x Reasonable electric shower, say 8.5kW 1 x electric hob 1 x...
    • Crashman
    • Thread
    • aus blown demand electric heaters house max out wind window
    • Replies: 8
    • Forum: Australia
  7. CG_Sparks

    BRE 489 wind Loads equation

    Hi. I'm having a bit of trouble trying to do the calculation in BRE 489 for solar pv wind loads. I understand the equation; F = qs x Cp, net x Ca x Aref But what i don't understand, is what to do with the number at the end. Do i look in say a schuco mounting rail...
  8. J

    Wind load calcs

    Going through the accessment proceedures, thinking about MCS, when you have the wind calc's, what then happens with this info ? is it part of any document to be registered or kept in house etc
  9. B

    2KV Wind Turbine Troubles...

    Hi. Please help with my hawt. It's a 96v 2kv turbine and feels like there is to much magnetic resistance. It does not want to spin even when all 3 wires are disconected with no load in very windy conditions. I have had tested the windings and the slip ring and were ok. The bearings are all...
    • boersy
    • Thread
    • aus turbine wind
    • Replies: 10
    • Forum: Australia
  10. E

    socket distance from windows

    sorry i know i should know this but what is the minimum distance you can place a socket from a window or door on job at moment dont have regs with me thanks any quick replys would be greatly appreciated.
  11. D

    bloody wind

    BBC News - Drive killed after tree falls onto car in County Durham happened while i was working down the road!! FECK!!
    • DurhamSparky
    • Thread
    • aus bloody wind world
    • Replies: 4
    • Forum: Australia
  12. P

    Schletter Roof Hook/Wind loadings etc

    Hi does anyone have any information about where I can get technical data on the Schletter roof hooks and rails? I'm trying to determine number of roof hooks etc based on calculated wind loads and want something similar to the Shuco user manual where they specify the roof hook spacings for...
  13. V

    Velux windows and pv

    Hi, Just been out to quote a job and the client is wanting to fill his roof with pv panels and cover 3 velux windows completely. Is it possible to cover all the velux windows? The client said he has had a quote already and they confirmed it was ok to cover them.
  14. S

    Hello from sunny Swindon !!

    Hi all, A lad from Swindon here...well more an old man really!!.Always worked alongside/with domestic sparks,and have now decided to go out on my own.registering Part P within next 4 weeks. Will be asking plenty of questions in the very near future....thanks in advance !!
    • swindonlad
    • Thread
    • before hello sunny swindon welcome wind
    • Replies: 9
    • Forum: The Welcome Forum
  15. R

    Wind noise of roof mounted PV array

    I just conducted a site survey and got a new question that I didn't know the answer to.... The customer has an open barn conversion and explains that the rain makes a terrible noise and can disturb tv watching for example. The PV panels will provide a barrier to rainfall hopefully reducing the...
  16. P

    Help with Fakro windows

    Hi all I have just finnished 2nd fixing a group of 4 fakro windows with electric openers. However once livened up only one of them worked, I have doubled checked all the cabling and can still only get one working. This was all done this afternoon(who likes working on a sun, esp with a...
    • PSES
    • Thread
    • aus help wind windows working
    • Replies: 0
    • Forum: Australia
  17. P

    Wind loading calculations

    Hi, Has anybody performed wind load calculations on PV panels? We have to quote for a job located very near the sea in an exposed location. Concerned about environment. Paul
  18. RWJ

    Wind farms paid £900,000 to switch off for one night

    Wind farms operators were paid £900,000 by the National Grid to disconnect their turbines for one night because the electricity was not needed. The payments, worth up to 20 times the value of the power they would have produced, raises serious concerns about such subsidies, which are paid for...
  19. L

    Wind load calculations

    Hi, Does anyone use any software for wind load calculations. If so how do you use the information to ensure the additional wind load is ok for the structure. I have seen other people use structural engineers but does anyone do it themselves and how. It is ok to say a building (domestic) of...
  20. N

    Any Wind Turbine Technicians on here??

    Any wind turbine technicians on here? Looking for some info if we have any Wind turbine techs onsite here. Cheers

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