Ku-Steam Turbige Rigital Electro-hydraulic control system (deh), i-electro-hydraulicI-servo valveI-G771k208 iyingxenye esemqoka yokuthola ukulawulwa okuqondile. Inikezela nge-Valve Polotion Reportback nge-LVDT ukuqinisekisa ukunemba nokuqina kwesenzo sokulungiswa kwe-turbine valve. Lo mbhalo uzohlaziya ukuthi i-sevO Valve G771k208 ingafinyelela kanjani impendulo ye-valve ephezulu ye-valve kusuka ekubukeni komgomo wesakhiwo, ukuhanjiswa kwesiginali, ukulawulwa kwe-loop okuvaliwe, njll.

1. Ukwakheka kanye nokusebenza komgomo we-servo valve g771k208

I-Servo Valve G771k208 yamukela i-torque motor + design ezimbili ze-hydraulic amplification design. Izakhi ezibalulekile zifaka phakathi ikhoyili ye-electromagnetic, i-armature, i-abzle, nozzle ne-slide valve. Lapho isilawuli se-deh sithumela umyalo wesikhundla se-valve, i-electromagnetic Coil yakha amandla kazibuthe, iqhuba i-armature ukuze ihluleke futhi iqhube indikimba yokuhamba. Ushintsho kugebe phakathi kwe-abfle kanye nama-nozzles ezinhlangothini zombili kuzokwakha umehluko wengcindezi, hlikihla ukuthungwa kwe-valve, futhi ngaleyo ndlela kulawule ukugeleza kwamafutha angenamsoco amelana nomlilo emotweni kawoyela.

Izici ezibalulekile:

1. I-torque motor sensitivity: I-angle yokuphambuka ye-armature ihlobene kahle nokufakwayo kwamanje, futhi isinqumo singafinyelela ku-0.1%, siqinisekisa amandla okuhlekisa okuhle.

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2. Inqubo yokuqalisa ye-LVDT valve isikhundla sempendulo

1. Ukufakwa ngokomzimba kanye nesizukulwane sesibili se-LVDT

I-kawoyela yezimoto kawoyela we-servo valve G771k208 ixhunyiwe kwi-valve elawula i-valve ngokusebenzisa induku yokuxhuma esebenza ngomshini. I-LVDT ihlelwe ngokuqondile ezindlini zemoto kawoyela, futhi umnyombo wayo wensimbi uxhumeke ngokuqinile kwinduku yepiston. Lapho i-piston ihamba, isikhundla se-LVDT iron core izinguquko, okuholela ekushintsheni kwamandla kazibuthe phakathi kwamakhoyili aphansi kanye namakhoyili ahlukene wesibili, kanye ne-vouttage vout yesiginali ye-vout = K⋅x (k kuyinto yokuzwela i-coefficial, u-X ukufudumeza).

Amaphuzu Wokufaka:

- Isikhundla se-LVDT zero sidinga ukuhambisana nesikhundla esivalelwe ngokuphelele semoto yamafutha, futhi ukuphambuka kudinga ukulawulwa ngaphakathi ± 0.1mm.

- Ukuqina kwe-bracket kudinga ukufeza imvamisa yokudlidliza> 100hz ukugwema ukungqubuzana kokuphazamiseka kokuphazamiseka.

2. Isimo sesiginali nokulawulwa okuvaliwe

Ukukhishwa kwesiginali ye-AC ehlukile nge-LVDT kudinga ukudilizwa yiKhadi le-Servo:

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2. Ukulungiswa kolaka: Iphutha elingabonakali le-LVDT linxephezelwa yi-algorithm yesoftware ukuqinisekisa ukuthi isikhundla se-0-100% Valve sihambelana nokukhishwa kwe-0-5v, kanti nephutha lokulinganisa li- <0.5%.

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Amapharamitha ajwayelekile:

- Ukuvuselelwa kwesisulu sokuvuselela impendulo: 1Khz, ukubambezeleka kwempendulo <1ms.

- Isixazululo: Lapho unhlangothi olugcwele lungu-100mm, ukunemba kokuthola isikhundla kufinyelela ku-0.01mm.

3. Ukulwa nokuphazanyiswa kanye nokwakhiwa kwezethenjwa

1. Ukuvumelana kwe-electromagnetic

I-Servo Valve G771k208 isebenzisa ikhebula elivikelwe kabili ukudlulisa amasiginali e-LVDT:

- Isendlalelo sangaphakathi sokuvikela sisekelwa ekhadini le-servo ukucindezela ukuphazamiseka okuvamile;

- Isendlalelo sangaphandle esivikelekile sixhumeke kwisiza seKhabhinethi ukuhlukanisa inkambu ye-electromagnetic yangaphandle.

Ukuhlolwa kukhombisa ukuthi lo mklamo ungathuthukisa isilinganiso se-Signal-to-Noise nge-20db futhi uqinisekise ukuqina kwesiginali endaweni eqinile kagesi.

2. Ukuthola kabusha kanye nokuxilongwa kwamaphutha

- Dual LVDT Redundancy: Amanye amayunithi afakwe amasethi amabili ama-LVDTs, futhi isiginali ithatha i-Median noma inani elifanele, futhi lishintshela ngokuzenzakalelayo lapho kwenzeka iphutha lesiteshi esisodwa.

- Ukuzihlola okuku-inthanethi: Ikhadi le-servo ngezikhathi ezithile lifaka amasiginali wokuhlola ukuqokwa kwekhoyili ye-LVDT (inani elijwayelekile 50-200ω), futhi libangela i-alamu lapho ingajwayelekile.

4. Ukuhlaziywa okujwayelekile kwephutha nokulungiswa

1. Izindlela ezijwayelekile zephutha

- I-Signal Drift: Gqoka okuyisisekelo se-LVDT noma i-adhesion kawoyela kuholela ekwandeni kwephutha elingaphezulu, okudinga ukuhlanzwa noma ukushintshwa.

- Zero Offset: Ukudlidliza okwenziwe ngomshini kukhulula ubakaki okhuphukayo, okudinga ukulungiswa kabusha futhi kuqiniswe.

- Ikhefu kagesi: I-Cable Connectoronic oxidation noma ikhefu lekhoyili, libonakaliswe njengokuphamba okungazelelwe kusiginali yempendulo kuya ku-zero, kudingeka ukuhlola ukuqhubeka komugqa.

2. Isu Lesondlo

- Ukulinganisa okujwayelekile: Yenza ukulinganiswa okugcwele kwesifo sohlangothi zonke izinyanga eziyi-6, lungisa i-servo Card zero izinga le-zero namapharamitha aphelele.

- Ukuphathwa kwekhwalithi yamafutha: Gcina i-EH oyili ihlanzekile ku-NAS 1638 Level 5 ukuvikela izinhlayiya kusuka ekuvinjelweni i-valve yesilayidi noma ukugqoka umnyombo we-LVDT.

I-Servo Valve G771k208 isebenzisa i-LVDT ukufeza isikhundla se-valve esivaliwe-i-loop impendulo. Izinzuzo zayo eziyinhloko ukuguqulwa kwesiginali okuphezulu okuphezulu, ikhono elinamandla lokulwa nokumelana kanye nomklamo ongafuneki. Ukulungiswa okunengqondo nokulinganisa kungaqinisekisa ukuqina kwesikhathi eside kohlelo lokuphendula futhi kunikeze ukuvikelwa okuthembekile komthetho weTurbine.

Lapho ufuna ama-valves asezingeni eliphakeme, athembekile ama-deh servo, akungabazeki ukuthi uYoyik ukhetha ukucatshangelwa. Inkampani isebenza ngokukhethekile ekunikezeni imishini ehlukahlukene yamandla kubandakanya izesekeli ze-turbine, futhi ithole isimemezelo esibanzi ngemikhiqizo nezinsizakalo ezisezingeni eliphakeme. Ngeminye imininingwane noma imibuzo, sicela uxhumane nensizakalo yamakhasimende ngezansi:

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