I-Emencan Trip Control block block ikakhulukazi inezakhi ezilandelayo: ukushintshwa kwengcindezi, i-Orifice, i-AST Solenoid valve, ingcindezi yegeji kanye nengcindezelo yokudlulisa. Ngokubambisana, lezi zingxenye zakha ukulandelana kwezindlela ezimbili, ezimbili noma ama-cross-uxhumano ukuze kuqinisekiswe isenzo sohlelo oluthembekile.

Ast Solenoid Valve CCP230mIngxenye esemqoka ebhlokeni eliphuthumayo lokulawula uhambo. I-Emergency Trip Unit (ETU) iyithuluzi elibalulekile lokuphepha kumayunithi wokuphehla amandla okushisa afana nama-tumturnine. Inganqamula ngokushesha iyunithi kusuka kugridi yamandla lapho kwenzeka ukungahambi kahle ngesikhathi sokusebenza kweyunithi ukuvikela imishini kanye nokuphepha kwabasebenzi.

Esimweni esiphuthumayo sokulawula uhambo, kunama-4 AST Solenoid valves CCP230m ahlelwe eziteshini ezimbili. I-ast-aup-devis enamanani we-ast solenoid anezinhlamvu ezi-1, futhi ama-ast solenoid ama-ast solenoid anezinhlamvu ezinonombolo anezinombolo ezi-2. Ama-Solenoid valves wamukela uchungechunge lwe-hybrid lwe-chungechunge. Ngemuva kokuthi iyunithi ixhumeke esangweni, wonke ama-solenoid ama-solenoid anamandla.

Lapho iyunithi ikhiyiwe, okungukuthi, ngemuva kokuthi ingcindezi kawoyela we-AST isunguliwe, i-P2 (ingcindezi egumbini eliphezulu lokucindezela kwe-P1 (ingcindezi egumbini lokuphepha le-Actuator), elihlangabezana nezimo zokuvula i-valve enkulu ye-actuator kanye ne-valve enkulu. Lapho iziteshi ezimbili zisebenza ngasikhathi sinye, susa ingcindezi kawoyela ka-AST, vala i-valve enkulu ye-Steam kanye ne-valve yokulungiswa kweyunithi, bese ubona uhambo lokuvikela iyunithi. Lapho nje kuphela iziteshi ezisebenzayo, ezinjengokuthi noma yimuphi ukungasebenzi kahle i-solenoid valve, i-P1 ihlala ingashintshiwe futhi iyunithi alihambi. Ngasikhathi sinye, lapho noma iyiphi i-solenoid valve yenqaba ukusebenza, ukuvikelwa kweyunithi kusengasebenza ngokujwayelekile. Lo mklamo uqinisekisa ukuthi uhlelo lokuvikela luzohluleka kuphela ngaphansi kwamaphutha amabili, ngcono kakhulu ukuthembeka kohlelo.

Kukhona futhi izimemo ezimbili kumodyuli ye-AST. Okokuqala, ukwakha isakhiwo esifana nochungechunge ukwenza uhlelo luthembeke ngokwengeziwe. Okwesibili, kungukunciphisa izinga lokugeleza elidingekayo lohlelo futhi kunciphise ukusetshenziswa kwamandla. Ngenxa yokusetshenziswa kokulandelana okungama-pual-walve alandelanayo noma uhlelo lokuxhuma, hhayi kuphela ukusebenza okuthembekile kohlelo kuqinisekiswa, kodwa futhi lapho noma yiliphi i-valve lingasebenzi noma lihlolwe online, uhlelo lusenomsebenzi wokuvikela.

Amafutha avela empompini wamafutha angena ku-actuator ngepayipi eliphambili lengcindezi, ukugeleza yonke indlela eya e-solenoid valve noma i-servo valve, futhi alawulwa yi-solenoid valve noma i-servo valve ukufaka igumbi lokucindezela eliphakeme le-actuator. Igumbi eliphakeme lokucindezela kwe-actuator liyafana negumbi lokucindezela le-valve yethu yokulayisha. Ixhunyiwe, futhi enye indlela idlula emgodini we-throttle futhi ingena egumbini likawoyela lokuphepha lokulayisha i-valve ye-actuator. Ngalesi sikhathi, uwoyela wezokuphepha uphuma komunye umgodi omncane egumbini likawoyela kawoyela wezokuhambisa le-valve yokulayisha futhi ungena e-AST nge-Check Valve ku-Actuator. Ipayipi lomama, ukuze ukucindezelwa kukawoyela wezokuphepha kwe-actuator kulawulwa ngokuphelele yimodyuli ye-AST. Uma nje imodyuli ye-AST ithathe izinto ezihambelana nayo, i-actuator ehlobene nayo izovalwa.

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