Sakamakon Phase Sequence
A na da na'urar hanyar uku kuma ana iya rubuta na'urar hanyar uku a cikin RYB ba da tarihin. Phase sequence indicator shine mai tsarin da ya yi wani abu da ke nuna na'uran hanyar uku daga tsafta na'urar hanyar uku.
Idan an bayar na'urar hanyar uku (RYB) ga induction motor, za mu iya shahara cewa yadda maza ta gine ita ce mai karfi.
Ta haka, idan an fadada na'uran hanyar uku, za mu iya shahara cewa maza ta gine ita ce mai karami. Saboda haka, za a iya cewa yadda maza ta gine ita ke nufin da na'uran hanyar uku. Za a duba cewa wadannan abubuwa masu tsarin yana da shiga da kuma yadda suke da shiga.
Na da na'ura biyu da suka haɗa da phase sequence indicators:
Rotating type
Static type.
Za a tattauna baki daya-baki.
Rotating Type Phase Sequence Indicators
Ana iya amfani da tarihin induction motors. A nan, ana kofara coils a cikin hanyar star kuma an samu supply daga tsafta uku da aka rubuta RYB kamar yadda aka fi sani a cikin hoton. Idan an bayar supply, za su iya faɗa rotating magnetic field kuma wannan rotating magnetic fields zai faɗa eddy emf a cikin aluminium disc mai karfi kamar yadda aka fi sani a cikin hoton.
Wannan eddy emf zai faɗa eddy current a cikin aluminium disc, eddy currents zai jin magana da rotating magnetic field saboda haka za a faru torque wanda zai sa aluminium disc mai karfi zuwa. Idan disc yana zama a cikin karfin maka na'uran da aka zaba shi ne RYB, amma idan yana zama a cikin karamin maka na'uran ya zama fito.
Static Type Phase Sequence Indicators
A nan, a kan cikakken static type indicator:
Idan na'uran hanyar uku shine RYB, za a iya shahara cewa lamp B zai ƙware da lamp A, amma idan na'uran hanyar uku ya zama fito, za a iya shahara cewa lamp A zai ƙware da lamp B. Za a duba cewa wannan yana haɗa da kowane abu.
A nan, za a ƙunshi cewa na'uran hanyar uku shine RYB. Za a ƙunshi voltages kamar Vry, Vyb da Vbr kamar yadda aka fi sani a cikin hoton. A nan, ana iya ƙunshi
A nan, ana ƙunshi balance operation saboda haka ana iya ƙunshi Vry=Vbr=Vyb=V. Saboda algebraic sum of all the phase currents ta fi dace, don haka ana iya ƙunshi
A nan, ana iya ƙunshi ratio of Ir da Iy equals to 0.27.
Ya nufin cewa voltage across the lamp A ita ce 27 percent of that of lamp B. Saboda haka, za a iya ƙunshi cewa lamp A zai ƙware da kalmomi a cikin RYB, amma a cikin reversed phase sequence, za a iya ƙunshi cewa lamp B zai ƙware da kalmomi.
Ana da wata matsayin phase indicator wanda ya haɗa da tarihi. Amma a nan, inductor an kirkiro da capacitor kamar yadda aka fi sani a cikin hoton.
An amfani da biyu neon lamps, kuma ana amfani da biyu series resistor don limit the current kuma don protection the neon lamp from breakdown voltage. A nan, idan na'uran hanyar uku shine RYB, za a iya shahara cewa lamp A zai ƙware, amma lamp B bai ƙware ba, amma idan na'uran hanyar uku ya zama fito, za a iya shahara cewa lamp A bai ƙware ba, amma lamp B zai ƙware.
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