Le khasiI-Servo Control Module SVH61Ingabe idivaysi esetshenziselwa ukulawula isikhundla sama-pneumatic noma ama-servo we-servo we-hydraulic ezinhlelweni zokulawula ezivaliwe. Yamukela isibonakaliso sokufaka se-4-20ma noma 0-10VDC futhi iyakwazi ukuthola isibonakaliso sempendulo engu-0-10v kusuka ku-transformer ehlukile ehlukile (Lvdt). Ikhadi lokulawula lingenza p (okulinganayo) noma p + i (applineal plus Integraal) ukulungiswa kwe-Deh (Digital Actuator) imiyalo kanye ne-LVDT volback Voltage. Ukukhishwa kwayo kuyisiginali yamanje, usebenzisa ukushayela i-servo valve. Kudinga ukuhlinzekwa kwamandla okuhlinzekwa kwangaphandle kwangaphandle kwe-24 noma -15V futhi kuphayiniwe kwi-terminal yokufaka ehambisanayo.

Izici eziphambili zeKhadi Lokulawula le-SVH61 lifaka:

• - I-S2 Shintsha (i-DEH) Ivumela umsebenzisi ukuthi akhethe okokufaka kwamanje noma kwamathayela, kanye ne-zero kanye nesilinganiso esigcwele kungalungiswa ngokwahlukile.
• - Ikhadi lokulawula line-modulator eyakhelwe ngaphakathi ye-LVDT kanye ne-demodulator, i-amplitude yayo iyashintshwa, ukushayela kwamanje kuyi-50mA (ebangeni le-0-20ma), futhi kungakhipha isibonakaliso sesikhundla se-valve (i-50 Ohm).
• - Oxhumana naye ovalekile uvunyelwe ukuxhunywa ngaphandle, futhi ukulungiswa okulinganiselwe kuyashintshwa, futhi umjikelezo wokulungisa wenzelwe ukuhlanganiswa.

Lolu hlobo lwekhadi lokulawula luvame ukusetshenziswa ezitolo ezizenzakalelayo, ikakhulukazi kuzinhlelo zokusebenza ezidinga ukulawula okuqondile kwesikhundla kanye nesivinini sama-fluid amandla amasistimu. Ngokuhlinzeka ngokuphuma okunembile kwamanje nokwamukela impendulo ye-LVDT, i-SVH61 iqinisekisa ukuqina kohlelo nokunemba.

I-SVH61 Servo Control Card yakhelwe ngohlelo lwe-Serro-Hydraulic (Deh) lwe-STECROL CHDRAULIC (DEH) System of Steam Turbines. Ohlelweni lokulawula i-Steam Turbine, uhlelo lwe-Deh servo lubhekele ukulungisa izikhundla ze-nozzle ne-valve ye-turbine ye-atteam ukulawula ukuhamba nokucindezela kukamusi, ngaleyo ndlela ukuphatha amandla okukhipha kanye nokusebenza okusebenzayo kwe-turbine turbine.

Ikhadi lokulawula le-SVH61 se-Servo lidlala indima ebalulekile kulolu hlelo. Ithola amasignali okufaka oku-4-20ma noma ama-0-10VDC avela ohlelweni lokulawula (njengohlelo lokulawula i-turbine) futhi lenze i-loop evaliwe eqondile ngokususelwa kusiginali yempendulo kusuka ku-LVDT. ukulawula. Ngokusebenzisa i-P noma i-P + islotionment, i-SVH61 ingaqinisekisa ukuthi isikhundla se-servo valve sifana ngokunembile nemiyalo yohlelo lokulawula, ngaleyo ndlela sifinyelele khona ukulawula okuqondile kwesimo sokusebenza se-turbine.

Njengoba ukusebenza kwe-tumturmine turbine kunezidingo eziphakeme kakhulu zokuphepha nokuqina, ukwakheka kwe-SVH61 servo Control Card kuthatha lezi zinto zibhekwe, ukuhlinzeka ukusebenza kwezidingo eziqinile futhi ezinokwethenjelwa nokushintsha okuguqukayo kwezidingo ezihlukile zokulawula kanye nezimo zesayithi.
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