Loadshedding Nov 2014

Discussion in 'Power cuts' started by dallasg, 3 Nov 2014.

  1. dallasg

    dallasg Moderator MASA Contributor

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    Guys and Gals, this is a reality, i hope you all have backup power for your return pumps or nanos.

    This will happen without warning, so be prepared.

    Basics needed to be covered are return pump and small 50W heater, this should get you through the thick of it.
    if you run multiple heaters make sure only 1 is on backup and remember the wattage.

    if you need advice on solutions send me a pm and can point you to stores that supply UPS's, Inverters and generators.

    The cost of backup power is far less than replacing livestock.
     
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  3. Criggy

    Criggy

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    @dallasg - I was looking at running my uplift pump, wavemaker and stc on a backup device - STC runs 3 x fans and 2 x thermostats - I will however connect only a small 50w to it - can you recommend anything to run this setup effectively for the prescribed 2hrs of lead shedding at each interval?
     
    Last edited by a moderator: 26 Nov 2015
  4. dallasg

    dallasg Thread Starter Moderator MASA Contributor

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    i use a 1200W inverter and battery setup i manufacture, just add up your wattage and i can suggest something
     
  5. RiaanP

    RiaanP Moderator

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    for 2 hours load shedding, do not worry about temperature. It will not drop that fast. Especially when running from an UPS. No heaters or lights are needed.

    Really only one item that should run on a minimum. That is your return pump. Even your powerheads do not need to be on.

    Oh, if you got NP Pellets in an reactor, that MUST be on the backup power. Not too sure about Orca cubes and their air pump, but those do not pull so much power either.

    If your generator is big enough to run everything, yeah, then have all the equipment running. But running from an UPS, depending on size, I would start with only the return pump. Other items added as the UPS is able to handle them.
     
  6. RiaanP

    RiaanP Moderator

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    a 1200W inverter should be more than capable to run your return and a few other items for 2 hours. all depending on the wattage of each item.
     
  7. Barlan

    Barlan

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    Ive got a 1200w tedelex inverter. Our power went out at 6:30 last night came back on at 4:30 this morning. I ran my return pump for 10 hours with the inverter. I did unplug the heaters from it though, temp only dropped a degree over night.

    Inverter was a real life saver, definately worth getting
     
  8. Antonio

    Antonio

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    Will it be fine if you only let your flow pumps run? The reason I'm asking is because I was looking at getting a alarm system power supply to run my flow pumps on since the are dc.
     
    Last edited: 3 Nov 2014
  9. KATHIE

    KATHIE

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    I had the same kak yesterday. My return pump was chewing my power on the ups fast. So I hooked up just one WP25 on H3 mode. Lasted for 2 hours. I just added movement in the DT. Whats the lowest wattage pump that I can get.
     
  10. mytank

    mytank

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    I got a Genny wired into the house and runs the tank as well. It auto cuts over. It's expensive but it is better peace of mind and it's important.
     
  11. dallasg

    dallasg Thread Starter Moderator MASA Contributor

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    i agree, i have my gennie arriving this week for added backup
     
  12. viper357

    viper357 Admin MASA Contributor

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    Just seen this on mybroadband.co.za

     
  13. Fishcrazy

    Fishcrazy

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    Where can one buy an UPS for the return pump. I'm in Cape Town
    Posted via Mobile Device
     
  14. Toolboysa

    Toolboysa Moderator

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    Last edited: 4 Nov 2014
  15. TaahirS

    TaahirS MASA Contributor

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    @Andre@ReefAquatics
     
    Last edited by a moderator: 26 Nov 2015
  16. Forbes

    Forbes

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    Inverter option

    Like some of the others, I have a generator that will run the tank no problem, my concern is that firstly at the moment it is not connected to the house yet and secondly if the power goes off at midnight the neighbors will not be impressed if I start up the jenny. I have a ups which runs only the flow pump, but it only lasts for about an hour which isn't much good.
    Ideally I would like something that could run the flow pump for four hours, that way if the power goes down in the middle of the night I don't have to worry.
    What sort of cost would I be looking at. At the moment I have an RSM250, but I would like to cater for a 600 litre tank.
     
  17. dallasg

    dallasg Thread Starter Moderator MASA Contributor

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    2000KVA inverter is about R6000+
    which has everything needed, will get 4-5 hours
     
    Last edited: 12 Dec 2014
  18. Forbes

    Forbes

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    It is starting to get pricey, the generator was R15k
     
  19. dallasg

    dallasg Thread Starter Moderator MASA Contributor

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    its cheaper than losing all your fish and backup power is as much as part of a tank as a skimmer or light
     
  20. Forbes

    Forbes

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    That's true. What is the approximate size of the unit, I have to look at available space.
     
  21. Istio

    Istio

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    What are the options when you have started to convert pumps to 12 vdc ? Seems very inefficient to convert dc to ac back to dc? I guess our heaters will always be 220v so just have to live with it. Seems a pity as dc pumps are ready to work of 12 v straight.
     
    Last edited: 13 Dec 2014
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