DaServe bawul sv4-20 (15) 57-80 / 40-10-s451wani abu ne mai mahimmanci a cikin tsarin sarrafa Turbine. Yana canza alamun lantarki a cikin sigina na Hydraulic kuma yana taka muhimmiyar rawa a cikin fara dakatar da daidaitawa na naúrar. Yana da akasari ya ƙunshi motar torque, madaidaiciya tsayayyen hydraulic biyu, da tsarin ƙirar inji.

Motar torque wani na'ura ce wacce ke canza siginar lantarki zuwa cikin hanyoyin lantarki na injin tururuwa. Lokacin da siginar lantarki take shigar da wani servo amplifier, a halin yanzu wucewa cikin coil a cikin armatiragnets a cikin electrassets a cikin lantarki mai kyau, samar da gyaran torque. A karkashin aikin magane a ɓangarorin biyu, ana haifar da toque mai jujjuyawa, yana haifar da isatuwa don juyawa yayin tuki da haɗin da aka haɗa shi don juyawa.

Tsarin Sakandaradden Hydraulic ya hada da wani yanki mai ban sha'awa da kuma almafta na biyu, kazalika da tsarin spool. A karkashin yanayin aiki na yau da kullun da tsayayye, nisa tsakanin ɓangarorin bakar fata da bututun ƙarfe daidai yake. Lokacin da shigarwar siginar lantarki da kuma an yi amfani da shi da cikas don juyawa, baffle yana motsawa kusa da bututun ƙarfe, kuma yana haɓaka matsi na mai a gaban bututun mai. Nisa tsakanin bututun ƙarfe da kuma baffle yana ƙaruwa, sakamakon shi da karuwa a cikin zubar da mai da raguwa a matsin lamba a gaban bututun ƙarfe. Wannan ya canza ainihin siginar lantarki a cikin siginar hydraulic.

Balagirin Servo da aka yi amfani da shi a tsarin Steam Turbine galibi suna da manufa guda. Sun canza alamun lantarki a cikin siginar hydraulic ta hanyar torque motoration da tsarin hydraulic, kuma daidaita budewar sinadarin naúrar, kuma tsarin ya isa rukunin tururi ya kai sabon jihar daidaitawa. A yayin aikin tururi turba, da servo boyen sv4-20 (15) 57-80 / 40-10-s451 yana da matukar muhimmanci ga tabbatar da aikin tsayayyen aikin.

Yoyik na iya bayar da wasu famfon hydraulic ko bawul na tsire-tsire masu ƙarfi kamar yadda ke ƙasa:
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