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  1. #1

    Default step down AVR vs. step down transformer


    unsa difference ani nila?

    AVR:
    input: 220 volts
    output: 110 volts
    wattage: 1000 watts

    TRANSFORMER:
    input: 220 volts
    output: 110 volts
    wattage: 1000 watts

    WORKING LOAD:
    110 volts
    640 watts

    pwede ra ba nga ang AVR ang gamiton? or ang transformer? or both?

    ako sabot pwede ra ang duha ang gamiton ky 640 watts ra man ako load...

    naglibog lng ko kay pagpangutana nako sa Metro Ayala, ingon ang clerk nga kung transformer ako gamiton, OK ra. pero kung AVR, dapat times 2 (x2) ang wattage sa ako working load. dapat 1500 watts nga AVR ang gamiton ky 640 watts ako load unya wala'y 1280 watts.

    samotan pa jud sa ACE-SM, ingon sila nga dapat times 2 (x2) ang wattage nga ako gamiton either AVR or transformer.

    libog nuon ako kutaw...

    sensya na, dli nako maka.recall sa mga topic sa electricity. absent tingali ko ato...

  2. #2
    bro mangutana ko nimo. unsa nga load ang imong gi pasabot sa 640w like (desktop computer, blender, plansa, tv or unsa)?

  3. #3
    unsa nga applnces imo gamitan? depnde mana gud.

  4. #4
    portable aircon ang 640W

    naa sad laptop nga gipadala gikan gawas, 90W ra nuon

    ako unta sila i.plug sa same source either AVR or transformer kay naa man AVR or transformer nga 2 ang output

  5. #5
    Sa ako lang sad nasabtan about aning mananapa. . .

    @TS:

    AVR stands for, automatic voltage regulator. . .
    This is typically used for critical appliances nga sensitive to voltage fluctuations.

    Ang naka ayo sa AVR man gud, if naay voltage fluctuations, mo-adjust siya para ma-attain gihapon niya ang pagsupply sa imong load nga 110V or 220V.

    Typically, the power from our outlet is NOT constant 220Volts. Mao nga mag AVR ta in order to cope with the varying voltage. That's why AVR is used mainly for electronics like PCs, Components, and the like.

    Now, for Step-Down Transformers. . . it has NO regulator function. It is mainly used for its step-down function. . . You plug it into 220Volts, it would output 110Volts. Now if the supply voltage varies, the output would also vary. . . Mao ra gyud na ilang kalahian.

    Now, if I were you, TS. . . I would use the step-down transformer for your aircon. . . 1000Watts would be fine. 1500Watts would be better. Aircons are not voltage-critical.
    We have a 110Volts 6 cu. ft. Ref before and we used 1000 Watts step-down transformer, it works for us.

    For your laptop, an AVR would be suitable since laptop power adaptors are sensitive to fluctuations.
    __________________________________________________ ___________________________________

    @All:
    These are just mere suggestions. Feel-free to correct me if I'm wrong.
    I'm not an EE.

  6. #6
    @ Peace...sakto ka bro.

    ang avr regulated ang power.
    ang transformer..dili.

  7. #7
    sakto @peace..

    pero imu sad iconsider @ TS ang voltage range sa imu appliances..
    as for the AVR wala ta problema ana kay iya mana iregulate ang voltage
    sa transformer lang since 220:110 man iya ratio, tan-awa if nisulod ba sa operating voltage sa imu aircon..
    usually 230V mana ang outlet..so ang ma-output sa imu transformer is 115V. i think sulod pana siya..
    pero dapat ang imu iconsider ang 230 plus or minus 10% that is 253V or 207V..mao man gud na gi-set sa balaud..
    pero if aircon gani imu load sa transformer, i dont think enough ang 1000watts..kay i learned from college na loads like aircon take so much power during start-up..mao bitaw lahi jud na sila ug breaker sa balay..

  8. #8
    adhesive and Dee_Dee:

    thanks for the affirmation. Have a great day.

    Bitaw, mao to nga naay "1500Watts would be better". . .
    This is to take into consideration that when the aircon triggers it's compressor. . . diha siya mokaon ug dako nga load.

  9. #9
    so, pwde ra pud ang AVR nga 1500watts ako gamiton?

    i consider only buying one than both AVR and transformer. naa man gud ko nakit.an nga AVR mas less ang presyo compared sa transformer, kanang transformer nga coil ra ug transformer nga nai box. mas gaan pa jud ang AVR...

    also, sayop ang taga.Metro nga dapat times 2 sa ako load ang wattage nga gamiton sa AVR. kay matud pa atong lalaki, dapat times 2 kay 110 ako load. mura man nuon 110v x 2 = 220v, 640W x 2 = 1280W... hehe...he

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