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Mtaalamu au muuzaji wa solar power ongea chochote hapa kabla hatujakabidhi ripoti

Discussion in 'Tech, Gadgets & Science Forum' started by Transistor, Sep 11, 2013.

  1. Transistor

    Transistor JF-Expert Member

    #1
    Sep 11, 2013
    Joined: Aug 8, 2013
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    5KV SOLAR SYSTEM COST AND POWER DELIVERENCE ESTIMATION



    1. Nataka kuwa na solar system ambayo itaweza kunipa independent power supply (AC) ya kati ya saa 8 hadi 12, natakiwa kuwa na:
      1. Solar Panels ngapi?
      2. Battery Bank yenye LOAD kiasi gani?
      3. Ningependa kuwa na system ya 5,000 Watts, je, itaweza kutoa umeme wa kutosheleza kwa nyumba nzima ya kawaida, yenye 2 Fridges, 2 Deep Freezers, TV set, two computers (1 desktop, 1 laptop), taa kwenye vyumba tofauti 8, in two wings
    DATA SUMMARY

    [TABLE="class: MsoTableGrid"]
    [TR]
    [TD="width: 280, bgcolor: transparent"]Power required
    [/TD]
    [TD="width: 280, bgcolor: transparent"]5000w=5kv
    [/TD]
    [/TR]
    [TR]
    [TD="width: 280, bgcolor: transparent"]Max time Consumption
    [/TD]
    [TD="width: 280, bgcolor: transparent"]12 Hours
    [/TD]
    [/TR]
    [TR]
    [TD="width: 280, bgcolor: transparent"]Rate of consumption estimated
    [/TD]
    [TD="width: 280, bgcolor: transparent"]4.5kv continuous power
    for 12 hours
    [/TD]
    [/TR]
    [/TABLE]


    CALCULATION FOR ESTIMATION

    1. Size of battery required (A.H)

    Data
    Let battery efficiency be 60% =0.6
    Maximum safe road for 5kv inverter is 4.5kv
    Battery voltage is 12v

    Solution
    Actual wattage for 4.5kv load with efficiency of 0.6 is
    Actual wattage =4500w/0.6=7500 watt(7.5kv)

    Actual current for efficiency wattage of 7.5kv
    Actual current=7500w/12v= 625 Ampere

    Battery size(A.H)=Ampere x Time
    Battery size(A.H)=625A x 12 hours= 7500 A.H approximate 8000A.H

    Therefore we need about 8000A.H so as we can get approximately continuous power of 5kv for 12 hours with inverter of 5kv with efficiency of 60%.

    2.Size of panel required
    Since we need to replace 625 Ampere after every one hour which means we need to replace 7500Ampere for 12 hours.

    Since solar panels they can provide full power only during full sun where in tropical region we have approximately of 8hours of full sun therefore the size of the panel will be

    The panel should be able to deliver 950 Ampere per hour which is equal to
    7600 Ampere for 8 Hours

    Now the power of panel require is
    Power=Current x Voltage
    Power=950 x 17.8=16910 approximately 17000 Wattage

    Therefore the solar panel required is
    17000 Wattage
    17.8 Voltage
    950 Ampere

    3.Control Charger required
    12 Voltage
    950 Ampere

    REQUIREMENTS

    [TABLE="class: MsoTableGrid"]
    [TR]
    [TD="width: 191, bgcolor: transparent"]EQUIPMENTS
    [/TD]
    [TD="width: 191, bgcolor: transparent"]POWER/SIZE
    [/TD]
    [TD="width: 191, bgcolor: transparent"]COST
    [/TD]
    [/TR]
    [TR]
    [TD="width: 191, bgcolor: transparent"]
    Inverter


    [/TD]
    [TD="width: 191, bgcolor: transparent"]
    5KV
    12V
    [/TD]
    [TD="width: 191, bgcolor: transparent"]

    [/TD]
    [/TR]
    [TR]
    [TD="width: 191, bgcolor: transparent"]
    Solar Panels


    [/TD]
    [TD="width: 191, bgcolor: transparent"]
    17000 Wattage
    17.8 Voltage
    950 Ampere

    [/TD]
    [TD="width: 191, bgcolor: transparent"]
    [/TD]
    [/TR]
    [TR]
    [TD="width: 191, bgcolor: transparent"]
    Charger Control


    [/TD]
    [TD="width: 191, bgcolor: transparent"]
    12 Voltage
    950 Ampere

    [/TD]
    [TD="width: 191, bgcolor: transparent"]
    [/TD]
    [/TR]
    [TR]
    [TD="width: 191, bgcolor: transparent"]Parallel connected Batteries
    [/TD]
    [TD="width: 191, bgcolor: transparent"]
    8000 A.H
    (You can divide with any number of battery Ah) For example if you have 1000 A.H battery

    8000 A.H/1000A.H=8 batteries of 1000 A.H are needed and so on.
    Which will be connected parallel
    [/TD]
    [TD="width: 191, bgcolor: transparent"]
    [/TD]
    [/TR]
    [/TABLE]
     
  2. Ilisolokobwe

    Ilisolokobwe JF-Expert Member

    #2
    Sep 17, 2013
    Joined: Jul 29, 2013
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    ngoja wenye maujuzi waje maana huo mfumo wake hata gharama yake!!!!!,bora ulipie nguzo za tanesco zaidi ya km30
     
  3. CHIKAMBAKU

    CHIKAMBAKU JF-Expert Member

    #3
    Sep 17, 2013
    Joined: Dec 11, 2012
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    Kweli lakini kama yuko mbali na gredi ya bongo da ngoja 2subir.
     
  4. Maganga Mkweli

    Maganga Mkweli JF-Expert Member

    #4
    Sep 17, 2013
    Joined: Jul 14, 2009
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    hiyo power rating ya kv=kW unamaanisha kVA=kW au hiyo kV ni model za hizo inverter ambayo inaonyesha power rating ya inverter yenyewe na sio voltage rating
     
  5. 1

    124 Ali JF-Expert Member

    #5
    Sep 17, 2013
    Joined: Apr 25, 2010
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    Semeni yooote hayo ninachotaka kujua ni kimoja tu kwa mahitaji ya kwenye mfano itagharim kiasi gani?hizo technical blah blah tuziweke kando!
     
  6. bs0d

    bs0d JF-Expert Member

    #6
    Sep 23, 2013
    Joined: Apr 22, 2013
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    $12,000
     
  7. King Kong III

    King Kong III JF-Expert Member

    #7
    Sep 23, 2013
    Joined: Oct 15, 2010
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    bora anunue 25kv Generator kwa usd 10,000 afungue kibanda cha video,mwingne hauzie maraia na achaji cm hayo mapato atakuwa ananunua diseil
     
  8. twatwatwa

    twatwatwa JF-Expert Member

    #8
    Sep 23, 2013
    Joined: Sep 19, 2011
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    nenda kampuni ya abb watakupa kwa milioni 25
     

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