fuyen tap Cdng trinh Hdi nghi Khoa hpc Cor hoc Thuy khi Todn quoc, Phan Tliiet, 2008 205 iTng dung quy hoach dong xay dung chuong trinh tinh toan dieu tiet nam theo mo hinh tat djnh cua ho chiia nha m[.]
fuyen tap Cdng trinh Hdi nghi Khoa hpc Cor hoc Thuy Todn quoc, Phan Tliiet, 2008 205 iTng dung quy hoach dong xay dung chuong trinh tinh toan dieu tiet nam theo mo hinh tat djnh cua ho chiia nha may thuy dien lam viec doc lap Nguyen The Hiing, Le Hiing Tnrdng Dai hoc Bdch Khoa Dai hoc Dd Ndng Torn tdt: Tinh dieu tiet muc nude hd chira nhd mdy thiiy dien la mdt vdn de phire tap viec dieu del hgrp ly tdi nguyen nude hd chua cd y nghia hln sue quan tron^ ddi vai nen kinh tc qudc ddn De ndng cao hieu ich dien ndng thi ben canh vice phdt triin ngudn dien trao ddi nhdp khdu thi viec tim dugc mot sach Iwgt tol int van hdnh ho chira thuy dien se lam tdng sdn lirgng dien Bdi hdo nay, chung tdi gidi thieu xdv dung md hinh todn tdt dinh xdc dinh che van hdnh dieu tiet tol iru ho chira lain viec dgc lap, dimg phuang phdp qui hoach dgng de giai vd lap chuang trinh tinh bdng ngon ngir lap trinh hudng ddi lugng Borland Delphi Applying dynamic programming to construct program of calculating for annual regulation according to deterministic model of independent-working reservoir hydroelectric power plant Abstract: Calculating water level regulation in reservoir for hydroelectric power plant Is a complex problem Reasonable water resources regulation in reservoir plays an important role in national economy In order to increase electrical energy elfectlveness beside the development, exchange and Import of electrical power sources, we must find out an optimization policy In opertating hydroelectric power reservoir, because It can increase the electrical energy of hydroelectrical plant In this paper, we introduce the construction of deterministic mathematical model to determine optimal regulation of Independen-working reservoir, applying dynamic programming for finding its solution and establishing the program of caculating by Borland Delphi object-oriented language Gioi thieu Theo phe duyet Quy hoach phat trien dien lye qudc gia giai doan 2006 - 2015, cd dinh hudng din nam 2025, nhim gdp phSn dap ung nhu cdu phat tricn kinh te - xa hdi cua ca nude vdi mirc tang GDP khoang 8.5%) - 9% nam giai doan 2006 - 2010 va cao ban, thi dy bao nhu cau dien nude ta se tang d muc 20%) nam giai doan 2006 - 2015, ddng thai chuan bi phuong an tang d mirc 22% nam cho trudng hgp tang trudng dot bien De dap ung nhu cau tren, ben canh viec phat trien nhap khau va trao ddi dien nang, nham nang cao hieu ich dien nang, tilt kiem cac ngudn nguyen vat lieu hiem, ciing nhu gop phan vao viec cai thien mdi trudng, nganh dicn, ddng thai phai tien hanh hai bien phap: quan ly nhu cau va nang cao hieu qua khai thac nguon dien NIU tim dugc mdt sach luge van hanh tdt, mot nhiing bien phap cd the thyc hien mang tinh kha thi cao dl khai thac dien nang cd hieu qua dd la van hanh tdt cac nha may thuy dien, cd the tang hieu su§t vl mat dien nang nam cua tram thiiy dien 2-3% (fng dung qui hoach ddng xdy dung chuang trinh tinh todn diiu tiitl ndm theo md hinh tdt dinh cua hd chira nhd mdv thdy dien lam viec ddc lap 206 Bai bao gidi thieu md hinh loan va chuang trinh tinh loan dugc thilt lap cho bai loan don hd vdi muc lieu phat dien lam viec 6oc lap bang ngon ngir Borland Delphi Lfng dyng chuang trinh tinh cho hd chira thuy dicn EA Krdng Rou, kit qua tinh loan dugc so sanh vdi cae phuang phap dudng chi thang va phuong phap bilu dd dilu phdi Mo hinh toan tat dinh xac dinh che van hanh toi uu ho chira dieu tiet nam cua nha may thiiy dien Ham myc tieu dugc chgn la san lugng dicn nang cua nha may thuy dicn dat eye dai irng vdi trj sd mirc nude van hanh o cac khoang thai gian nam cua ho chira lam viec doe lap Cac dicu kicn gidi ban ciia ho chira trudng hgp la cong su5t van hanh, luu lugng qua Tuabin gidi han ve myc nude, va mot s6 rang budc tuong ung Md hinh loan tat dinh xac dinh chi van hanh tdi im hd chira dilu tilt nam cua nha may thuy dien cho nhu sau Ham muc tieu E, =.j9.81./7,.//,.^,,/r = 2^9.81.;;, A/,//,.^, -^ Max d) Cdc rdng budc: V,,, = v,+W,-w > " I " xa-i ^,=MN„H,) H, = Zn-i-ZHL-i- (3) AH Z,-n =f2f(V, + V,.,)/2J (4) (5) Zi^HL =ffW,,.,/TJ (6) Zjau= MNDBT (7) Zeuo, = MNDBT (8) MNC < Z, < MNDBT (9) N,„„ < N, < N,ellN, ,x-i-f4(Hi) Trong dd (2) Qniin-, < Q, < Q,„„ Ei : Dien lugng trung binh thdi doan (kwh)V i : Dung tich hd cudi thd doan (hay ddu ihdi doan I.l)(ni^); (10) /Jl^ (12) vmryen The Hiing Le Hiins 207 V, : Dung tich hd dau thdi doan i (nr); W,a.i : Tdng lugng nude khdi hd chua thdi doan i (m'^) ; q : Hicu suat trung binh cua tram thiiy dien thdi doan i Hi : Cdt nude phat dicn trung binh thdi doan i (m); ZTL-I : Muc nude thugng luu trung binh thai doan i (m); ZHL-i • Muc nude luu trung binh thdi doan i (m); Zjau '• Muc nude dau chu ky dieu tiet fm) ; Zcu6i: Muc nude cudi chu ky dieu tiet (m) ; MNC: Myc nude chet (m); MNDBT : Myc nude dang binh thudng (m); Npiin: Cdng suat tdi thieu cua tram thiiy dien, trudng hgp hd chira dieu tiet nam thi day la cdng suat dam bao cua tram thiiy dien (kw); ; Ngh.i: Cdng suat gidi ban ti'am thuy dien thdi doan dugc xac dinh tuang irng vdi cac kieu Tuabin khac (kw); • Q, : Luu lugng nude van hanh qua Tuabin thdi doan i (m /s); I Qmm-i: Liru lugng tdi thieu phu thugc vao yeu cau dam bao muc nude luu thdi doan i (nr/s) ; I Qmax-i: Lim lugng Idn nhdt qua Tuabin thdi doan i (m/s); • t : Thdi gian tinh cua thdi doan i (hour) Xay dung thuat toan va c h a o n g trinh tinh Phuang trinh truy loan ngugc theo ly thuylt qui hoach dgng img dung de eye dai gia tri ham muc tieu nang lugng ky hieu E dugc xac djnh nhu sau E,,, (Z,,,^.) = Max{E„ (Z,„_,, Z„_,,) + £„., (Z„_,, Z,)) (13) Vdi ^orr (Z,, , ) : Gia trj luy tich tdi un dien nang cua ham muc tieu cd dugc hd chira til thdi dilm ban ddu Z^ din myc nude Z^j vao cudi chu ky dieu tiet (thai diem n); - E (Z n V Z n / * , ) : Gia tri luy tich tdi uu dien nang giai doan n ciia ham muc tieu / i - l , A ' •' • "^ tir trang thai muc nude Zj den muc nude Z^; E , (Z , Z , ) : Gia tri tdi uu dien nang sinh ddi tugng di chuyen tir trang thai ban ddu den trang thai Z„.\ da dugc xac djnh - Tinh loan dugc bit ddu tai cudi chu ky dilu tilt (i=n) va ket thiic tai dau chu ky dieu tiet (i = I) 208 (fng dung qui hoach ddng xdy dung chiro'ng trinh tinh todn dieu tiet uani theo md hinh tat dinh cua hd chira nhd mdv thuy dien lam viec ddc lap - So dd thuat loan va chuang trinh tinh dugc xay dung bdng ngon ngir lap trinh hudng ddi tugng Borland Delphi T r a d u - l i e u M N U l