Abstract
Lub kaw lus tswj hwm yog ib qho tseem ceeb hauv kev tsim hluav taws xob hydropower, lub luag haujlwm rau kev tswj hwm qhov ceev ntawm turbine thiab cov zis hluav taws xob nquag teb rau kev hloov pauv zaus ntawm lub grid thiab cov lus txib xa tawm. Kev hloov pauv los ntawm kev siv tshuab-hydraulic mus rau microprocessor-based governors sawv cev rau kev dhia ceev hauv kev siv tshuab, txhim kho qhov tseeb, kev ntseeg siab, thiab kev ua haujlwm. Tsab xov xwm no tshawb nrhiav cov qauv, cov thev naus laus zis tseem ceeb, kev ua haujlwm, thiab qhov zoo ntawm cov microprocessor-based governors niaj hnub (digital governors) hauv kev siv hluav taws xob hydropower.
1. Kev Taw Qhia
Lub hom phiaj tseem ceeb ntawm tus tswj hwm hydropower yog kom tswj tau qhov sib npaug ntawm lub zog tshuab uas tsav lub turbine-generator thiab lub zog hluav taws xob uas lub grid xav tau. Txhua qhov tsis sib npaug ua rau muaj kev hloov pauv ntawm qhov ceev. Cov tswj hwm mechanical-hydraulic ib txwm siv flyballs thiab cov txheej txheem lever nyuaj rau kev hnov thiab tawm tswv yim. Kev tshwm sim ntawm microprocessors tau hloov cov kab ke no mus rau hauv cov tswj hwm digital zoo heev, ua rau muaj cov txheej txheem tswj hwm siab heev, kev sib koom ua ke nrog cov kab ke tswj hwm cog qoob loo, thiab kev ua haujlwm zoo dua.
2. Kev Tsim Qauv Txheej Txheem
Ib qho microprocessor-based governor system muaj peb txheej tseem ceeb:
Txheej Tswj: Lub hauv paus yog lub tshuab tswj kev lag luam uas muaj kev ntseeg siab (PLC) lossis lub tshuab tswj digital tshwj xeeb. Nws ua cov algorithms tswj, ua cov txheej txheem inputs, thiab suav cov teeb liab tso zis. Cov tshuab tswj redundant (feem ntau nyob rau hauv hot-standby configuration) yog tus qauv rau cov nroj tsuag tseem ceeb kom ntseeg tau tias kev ua haujlwm tsis muaj kev cuam tshuam.
Kev Ntsuas & Txheej Nkag Mus: Qhov no suav nrog cov sensors rau cov kev ntsuas tseem ceeb: qhov ceev ntawm lub turbine (ntsuas los ntawm cov hlau nplaum lossis zaus probes), qhia vane lossis koob txoj haujlwm (ntawm qhov chaw transducers), lub zog tso zis, thiab zaus grid. Nws kuj tau txais cov ntsiab lus teeb tsa los ntawm kev tswj hwm saib xyuas ntawm lub Hoobkas lossis tus neeg ua haujlwm grid.
Txheej Txheem Ua Haujlwm Hluav Taws Xob-Hydraulic: Lub teeb liab tswj hwm digital uas tau suav los ntawm kev suav tau hloov mus ua lub teeb liab analog thiab ua kom nrov dua los ntawm lub tshuab hloov pauv hluav taws xob-hydraulic (feem ntau yog lub servo lossis proportional valve). Lub valve no tswj hwm cov roj hydraulic ntws mus rau ib lossis ntau lub actuators (servo cylinders) uas txav lub turbine's guide vanes, runner blades (hauv Kaplan turbines), lossis lub koob (hauv Pelton turbines).
3. Kev Tswj Xyuas Lub Hauv Paus
Tus tswv xeev digital lub tswv yim ntse nyob rau hauv nws cov software-implemented control algorithms.
Kev Tswj PID: Tus algorithm Proportional-Integral-Derivative tseem yog lub hauv paus tseem ceeb. Lub microprocessor tso cai rau kev ywj pheej, meej, thiab hloov kho ntawm cov kev teeb tsa P, I, thiab D rau ntau hom kev ua haujlwm sib txawv (piv txwv li, pib-up, cais grid, kev sib txuas grid loj).
Cov Tswv Yim Tswj Xyuas Siab Tshaj Plaws: Cov thawj coj niaj hnub no feem ntau suav nrog cov txheej txheem zoo dua:
Kev Tswj Xyuas Kev Hloov Kho/Fuzzy Logic: Kho cov kev teeb tsa rau cov yam ntxwv ntawm lub cav turbine uas tsis yog linear nyob rau hauv ntau yam kev mob sib txawv.
Kev Tswj Xyuas Cov Lus Teb Rov Qab: Txhim kho kev ruaj khov thiab kev teb rau cov kab ke hydraulic nyuaj nrog cov penstocks ntev.
Ob Chav-Derivative thiab Power Feedback: Siv los txhim kho damping thaum lub sijhawm tsis lees txais load thiab cov xwm txheej transient.
4. Cov Haujlwm Tseem Ceeb
Tshaj li kev tswj ceev yooj yim, cov tswj hwm digital muab cov haujlwm tiav:
Kev Tswj Xyuas Hom Kev Ua Haujlwm: Kev hloov pauv yooj yim ntawm Kev Tswj Ceev (rau cov kab sib cais lossis pib ua haujlwm), Kev Tswj Fais Fab (rau kev xa khoom txuas nrog kab sib txuas), thiab Kev Tswj Qib Dej/Kev Ntws (rau kev ywg dej lossis cov phiaj xwm khiav dej).
Cov Txheej Txheem Pib & Kaw: Cov txheej txheem ua haujlwm tsis siv neeg, cov txheej txheem programmable rau kev ua kom lub turbine nrawm dua thiab muaj kev nyab xeeb, kev sib dhos ua ke, thiab kev nres.
Kev Tiv Thaiv & Kev Kuaj Mob: Kev saib xyuas tus kheej tas mus li, kev sau cov teeb meem, thiab kev tiv thaiv (piv txwv li, kaw lub rooj vag sai thaum kuaj pom kev ceev dhau, rov qab mus rau cov channel thaub qab).
Kev Sib Txuas Lus & Kev Koom Ua Ke: Kev txhawb nqa rau cov txheej txheem kev lag luam txheem (IEC 61850, Modbus, PROFIBUS) ua rau muaj kev sib koom ua ke zoo rau hauv lub Hoobkas SCADA (Kev Tswj Xyuas thiab Kev Txais Cov Ntaub Ntawv) thiab lub network tswj hwm dav dua.
Kev Txhim Kho Kev Ua Haujlwm: Cov yam ntxwv xws li Dead Zone Compensation rau kev sib txhuam thiab Nonlinear Gain kev hloov kho txhim kho kev tswj hwm zoo thoob plaws tag nrho cov kev ua haujlwm.
5. Cov txiaj ntsig zoo dua li cov txheej txheem ib txwm muaj
Cov txiaj ntsig ntawm cov microprocessor-based governors yog qhov tseem ceeb:
Kev Ntsuas Siab & Kev Ruaj Ntseg: Kev ua cov txheej txheem digital tshem tawm qhov drift thiab dead-band cuam tshuam nrog kev sib txuas ntawm cov khoom siv, ua rau muaj kev tswj hwm zaus meej heev (± 0.1% lossis zoo dua).
Kev Ywj Pheej & Kev Hloov Kho Tau: Cov tswv yim tswj hwm thiab cov kev teeb tsa tau yooj yim hloov kho los ntawm software yam tsis muaj kev hloov kho vajtse, tso cai rau kev ua kom zoo dua rau cov xwm txheej tshwj xeeb ntawm qhov chaw.
Kev Txhim Kho Kev Ntseeg Siab: Txo kev siv tshuab, kev kuaj mob kom tiav, thiab cov qauv tsim uas tsis tseem ceeb ua rau lub sijhawm nruab nrab ntawm kev ua tsis tiav (MTBF) nce ntxiv.
Kev Ua Haujlwm Siab Tshaj Plaws: Ua kom muaj cov kab ke tswj hwm nyuaj, cov kev pabcuam ancillary grid (xws li kev teb zaus sai), thiab kev sau cov ntaub ntawv rau kev tshuaj xyuas kev ua tau zoo.
Yooj Yim Kho & Kuaj: Kev kuaj mob qhov txhaum tau yooj yim dua, thiab cov qauv simulation tso cai rau kev kuaj xyuas kom meej yam tsis tas siv lub turbine tiag tiag.
6. Xaus Lus
Tus tswj hwm uas siv microprocessor yog qhov kev daws teeb meem zoo tshaj plaws rau kev tswj hwm hydropower niaj hnub no. Nws tau hloov zuj zus los ntawm ib qho kev tswj hwm yooj yim mus rau hauv ib qho kev tswj hwm ntse, networked tswj node tseem ceeb rau kev ua haujlwm zoo ntawm cov nroj tsuag, kev ruaj khov ntawm lub grid, thiab kev muab cov kev pabcuam tseem ceeb ntawm lub grid. Thaum lub zog rov ua dua tshiab nkag mus, qhov kev teb sai, raug, thiab hloov pauv tau ntawm cov tswj hwm digital yuav tseem ceeb dua hauv kev tswj hwm lub zog inertia thiab kev ruaj khov ntawm zaus. Kev txhim kho yav tom ntej yuav tsom mus rau kev txhim kho cybersecurity, kev koom ua ke tob dua nrog cov nroj tsuag thoob plaws cov nroj tsuag, thiab cov txheej txheem tswj hwm AI-tsav siab dua.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-11-2025
