effect

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  1. the pict

    drill batteries

    Any one heard of the way to rejuvenate Nicad batteries or is it just stories P
  2. S

    Electric effect log burner. Hiding cable ?

    Customer purchased lovely electric effect log burner which i now have to fit. Cuurent fireplace inset all ready. Solid floor with flag slabs laid in and nice brick effect cladding all over inset with lovely finished pointing. Problem is no cable in place or socket close by for the fire. Have...
  3. P

    Wha would the effect of incorrect phase sequence to the 5kw machine in a workshop be

    hi guys, What would the effect of incorrect phase sequence to the 5kw machine in a workshop be? thanks magpie
  4. Richard Burns

    Hall Effect sensor

    I am having problems with a home built magnetic water level sensor using a reed switch, whereby the reed keeps sticking or failing to operate and I was thinking of using a hall effect sensor and a power transistor but I am unsure of the characteristics of hall effect sensors. Are they...
  5. R

    Pulse Width Modulation, does it effect cost of running an electrical product.

    If I use a Pulse Width Modulator on say a fan, will it reduce the cost of running it, if it is slowed down? Not something I'm planning on doing, just wondering!
  6. V

    The photovoltaic effect

    Question ….sorry could not able to find thread on this one. If my system is left off AC and DC is turned off what’s happen to all that electricity generated from the panels? Panels must be still producing something even they not connected to the inverter. Reaction inside the panels photons of...
  7. S

    Client wants one more panel. Effect his FIT rate?

    We installed 16x 235 schot panels during the rush at the end of last year. Now the client would like one more 235w panel which would bring him in just under 4kWp (3995w). The inverter is 3.6 PVi and will take one more panel on one of the two strings. But i'm not sure where he stands with his...
  8. P

    shaded panels weird effect.

    In the cold mornings as the sun rises, there is condensation on my panels. I noticed a weird effect on my shaded panel and took a pic. Is this as expected?
  9. D

    Largest Solar Activity today in years !!!

    Anyone notice any increase in power generation leading up to today, other than they would expect for this time of year ?? I assume this would be sensed by Solar panels ??? BBC News - Fears of disruption as solar storm strikes the Earth
  10. M

    Out of interest. effect of East/West split on one string?

    I wouldn't do it but a client asked about an east/west split on one string. I couldn't quite describe how bad the effect would be? Would the 8 on the east side(shaded eg.) drag the current down from the 8 on the west (sun shining on)? Or any other answers? Much appreciated
  11. K

    BESNA effect on apprentice pay ?

    Hi everyone, First off sorry if this is in the wrong area but didnt know where to ask. I work for Crown House Technologies (Laing O'rourke) as an apprentice, quick question about pay that has bin playing on my mind. At the moment I am paid the JIB apprentice rates , and am at the level 1 so...
  12. E

    Shading does effect performance

    Here is an interesting one re shading. A 30KWP system that we were installing went live today, sun was shinning evenly across the barn roof. The system is split into eight strings, then 4 strings to each inverter. The whole system had rigorous testing before "switch on" and all tested perfect...
  13. silver surfer

    Voltage optimisation

    A client of ours are having an 800kva optimiser installed presently. So its got me thinking, as being as its basically another transformer (dare i say an isolating transformer? although i stand to be corrected!), will this effect the existing Zs values throughtout the installation? Rather like...
  14. B

    PV roof brackets on interlocking slate effect tiles

    Hi all, I surveyed a property today for a PV install and the tiles are slate looking interlocking tiles. They are as thin as slate, and all nailed down. I do not want to use anchor bolts due to the weatherproofing problems. Just wondered if anyone has fitted a system to a roof like this and...
  15. M

    Wood effect grid plate

    hi all, anyone out there know where i can get a oak wood finish grid plate? thanks
  16. S

    Volt drop effect on appliances

    Hi Guys I have a question regarding volt drop. Some time ago a company I worked for installed wall mounted aircon units around their workshop. They wired them into an existing 2.5mm ring main circuit which was in singles in a truncking. During operation some of the units would cause the...
    • Surefire
    • Thread
    • appliances aus cause current effect resistance units volt drop volts
    • Replies: 7
    • Forum: Australia
  17. D

    Effect of ZS and RCD trip Times...!

    questions!!!! chatting to some body today and well they were going on about ZS can have effect on RCD trip times!! is this true? never heard about it before..! any body clear this one up??
    • DurhamSparky
    • Thread
    • aus effect rcd saying tested times trip
    • Replies: 15
    • Forum: Australia
  18. L

    What effect pere fase can i take out from a 27 kva generator?

    HI I'm about to buy a generator but i don't understand how to read the specifications on it. The generator is marked with 27 kva, 41 Amps, its a 3 fase generator. Power is 230/400V. The load i need to attach to the genset is: 1. one 3fase "active" UPS on 15 kva (Riello rt15) 2. one...
    • lazat
    • Thread
    • canada current effect generator issue kva out power
    • Replies: 4
    • Forum: Canada
  19. G

    Mains frequency effect on cookers

    I live in the UAE and purchased a cooker here, which I would now like to send to the Philippines. However, there is a difference in mains frequency between the two countries, and I'm worried that the cooker may not work in the Philippines, or only work dangerously. According to Wikipedia...
    • gdi2k
    • Thread
    • aus cooker effect frequency mains motors replacement
    • Replies: 8
    • Forum: Australia
  20. B

    Study of short circuit pattern in induction motors and it’s effect on circuit brakers

    Hello guys. I am a student on my graduation year . in electrical engineer major. I am from UAE studying Higher Diploma at Higher Colleges of Technology . and for my final project they gave me this idea. " Study of short circuit pattern in induction motors and it’s effect on circuit...
    • Blood-Lover
    • Thread
    • aus circuit effect induction motors pat pat testing short short circuit study
    • Replies: 0
    • Forum: Australia

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