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Potensiometar AC

Edwiin
فیلڈ: Makaranta karamin kwarewa
China

Takaitaccen

Potenshiyometar da ta yin tattalin fase da kuma gaba na shi'war mota (emf) mai ba da shi'arwa da shi'war emf mai sani ake kiran AC potenshiyometar. Tsarin aiki na AC potenshiyometar ce ta daidai da tsarin aiki na DC potenshiyometar, ya'ni shi'war bayanai mai ba da shi'arwa ce ta cikakken tattalin da shi'war bayanai mai sani. Idan an yi waɗanda, galvanometar zai nuna mafi girgirin, kuma haka za a samun balon shi'war emf mai ba da shi'arwa.

Aiki na AC potenshiyometar ce ta fiye da ma'ana masu aiki na DC potenshiyometar. Wadannan suna da muhimmanci wajen aiki:

  • A cikin AC potenshiyometar, tsari da naƙo'in karamin ruwa suna da shi'arwa da shi'war bayanai mai ba da shi'arwa. Saboda haka, a cikin AC potenshiyometar, potenshiya ce ta fara daga take da karamin ruwa ko shi'war bayanai mai ba da shi'arwa.

  • Amfani da muhimman abubuwa mai ba suka fuskantar induktiviti don binciken fili da karamin ruwa na AC potenshiyometar, wanda yake da shi karfi tsarin labaran.

  • Labaran AC potenshiyometar suna tabbatar da sauran magana, saboda haka ana iya gudanar da sauran maganan a lokacin tattalin.

  • Maida aiki ya kamata a yi da sinusoide da ba ake da harmonics, saboda yadda ake da harmonics yana da karfi a yi ingantaccen.

Nau'o'i na AC Potenshiyometar

AC potenshiyometar suna kiransa da duka daga cikin nau'o'in da ake amfani da su a cikin dial da scale. AC potenshiyometar suna kiransa a matsayin:

Polar Type Potenshiyometar

Coordinate Type Potenshiyometar

Coordinate type potenshiyometar tana da scale biyu, wadannan scale suna amfani da su don tattalin in-phase component V1 da quadrature component V2 da shi'war bayanai mai ba da shi'arwa V. Wadannan biyu suna da farkon 90° da shi. Potenshiyometar tana da kyau wajen tattalin positive da kuma negative values of V1 da V2, kuma tana iya tattalin duka farkon 360°.

Farkon Amfani Don Potenshiyometar

AC potenshiyometar tana da amfani masu ma'ana a wurare da dama. Wasu daga cikin amfani masu muhimmancin tana bayar da takaitaccen a nan:

1. Kalibrashin Voltmetar

AC potenshiyometar tana iya tattalin shi'war bayanai mai lili na 1.5V. Don tattalin shi'war bayanai mai yawa, tana iya amfani da volt box ratio ko kuma amfani da biyu na capacitor a cikin series da potenshiyometar.

2. Kalibrashin Ammetar

Tattalin alternating current tana iya a yi da amfani da standard resistor mai ba suka fuskantar induktiviti da potenshiyometar.

3. Tattaunawa Wattmetar da Energy Metar

Tattaunawa circuits for wattmeters and energy meters suna da shi'arwa da ake amfani da su a tattalin DC. Ana haɗa phase shifting transformer zuwa potenshiyometar don kawo fase na shi'war bayanai game da karamin ruwa. Hakan yana ba da shi'arwa a yi variyar shi'war bayanai da karamin ruwa a farkon power factors.

4. Tattalin Self Reactance na Coil

Standard reactance tana haɗa a series da coil da za a tattalin self-reactance.

 

5. Wasu Farkon Amfani

AC potenshiyometar tana da rawa a tattalin engineering idan an bukata ƙarfafin 0.5% zuwa 1%. Tana amfani a wurare da ake buƙata shi'war bayanai zuwa biyu. Wannan instrument tana bayar da labaran da suka da shiga a tattalin magnetic testing da kuma kalibrashin precise instrument transformers, saboda haka tana da muhimmanci a wurare da electrical engineering.

A cikin wannan nau'o'in potenshiyometar, gaba na shi'war bayanai mai ba da shi'arwa tana tattalace da scale, kuma angle irin fase tana tattalace da scale na biyu. Setup tana ba da shi'arwa a tattalin phase angles zuwa 360°. Shi'war bayanai tana tattalace a form V∠θ.

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