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Thong tin khoa hpc cong nghe m o DANH GIA MANG CUNG CAP DIEN VUNG MO QUANG NINH b^ng phtfdng phap mo h i n h h o a In the process for energy audit at industrial companies and KS Ll/U QUANG VU enterprises, the evaluation of the power supply network Vipn Khoa hpc Cdng nghd Md - TKV with the operating norms has played an important role and basing on it, solutions for proper energy saving should be proposed This paper introduces the results from the evaluation of the power supply network at Quang Ninh coal mines with modeling method / ^ T r o n g qua trinh tien hanh c l / kiem toan nang lifdng tai cac edng ty, xf nghiep cdng nghiep thi viec danh gia hien trang mang cung ca'p dien vdi cac ehl tieu dang hoat dpng cCia nd ddng mpt vai trd quan trpng, cd the dua cae giai phap tiet kiem nang lUdng phu hdp Ddi vdi nganh khai thac md thi edng tac cdn quan trpng hdn khu vi/e khai thac thay ddi lien tue, sd li/dng thiet bj tham gia vao qua trinh san xua't cung thay ddi theo Su thay ddi lam cae thdng sd eCia mang khdng nhif nhOrng thdng sd thiet ke ban dau Hien ed nhieu each de thu thap vd XL!f 1^ dOr lieu d khau Tuy nhien, phi/dng phap SLf dung eac phan mem van phdng va bang tfnh toan gap nhieu khd khdn va ma't nhieu thdi gian ed si/ thay ddi nao dd mang Dieu hoan toan ed the thi/c hien ddn gian sCf dung edng eu md phdng PhUdng phap ed nhOrng uu diem sau: - Tiet kiem thdi gian tfnh toan; - Cd the cap nhat nhi/ng thay ddi dii la nhd nha't ciia mang mdt each nhanh chdng; - Thay ddi cae thdng sd eCia mang mdt each de dang de iL/a chpn difdc cac thdng sd tdi i/u Trong cac cdng cu de md hinh hda mang ap, phan mem Matlab dUde diing phd bien nhat va da difdc lifa chpn de tien hanh kiem toan cung cap dien cho cac xf nghiep md ham Id cung cac block chile ndng cCia chung difdc the hien tren hinh Trong md hinh thi module dau vao stjf dung block c6 chL/a cac ham nhan dCf lieu de nhan sd lieu tCf cac phan doan trudc va thdng sd eiia chi'nh ban than ddi tifdng de xijf ly Cac thdng sd 6ugc Cau tao cua mo hinh module dau vao thu thap la mang cung cap dien cho cac cac gia trj ban dau cap cho thie't bj md ham 16: mo hinh toan hoc cOa cac Matlab ed kha nang mo phan tCif Trong mo hinh hinh hda cac thiet bj dien nhU cae phan til la tap hdp eac dung ham lenh eiia Matlab, cdng thCrc toan hpc, cac lap trinh bang ngdn ngur C tren phUdng trinh the hien dac tinh Matlab Nhi/ng ea hai phUdng eiia ddi tifdng Sau dCr Ijeu phap tren deu phifc tap va ma't di/dc xijf 1^ thi ket qua dUa nhieu thdi gian, vay ngUdi chfnh la phan ijfng ciia ddi ta thudng dung Sirpulink va tifdng ddi vdi cac tac dpng dau cac tools box ciia nd Trong vao DCir lieu sau di/dc xi^r ly Simulink thi cac ham toan hpc, se di/dc module dau gOi tdi eac ham vao ra, ham hien thj cac phan doan tiep theo de XIJT dUdc tfch hdp s i n khdi ly tiep hoac hien thj theo y thu vien, cac khdi mudn cCia ngi/di sdf dung gpi la cac block Viec md hinh Xay dung mo hinh cac hda cac thiet bj md ham thiet bj: Id cd hai Idp ddi tUdng can di/dc xay di/ng, la: - IVIay bien ap md: May bien ap la cac thiet bj bien ddi - Ldp cac thiet bj dien sii dien ap de cap dien cho cac dung md ham 16; cac thiet bj Trong cac md ham - Ldp mang cap diing de 16, bien ap dat d dau cac tuyen cung cap dien cho cac phu tai cung cap dien cho cac phdn mang dien md xudng de bien ddi dien 6kV Mo hinh cac phan tCf cac cap dien ap 660V, mang cung cap dien cCia md 380V clip dien cho'cac thiet bj KHCNM S 1+2/2010* CO D I £ N - T I T D O N G HOA MO Thong tin khoa hpc cong nghe m d a) - Ddi tugng thiet bj cdng tac b)- Ddi tugng cap truyen tai dien Hinh Md hinh cdc phdn td mang dien md Ngoai eon cd cac bien ap chieu sang, bien ap di theo cac may khoan dien, nhi/ng Chung thudng c6 cdng suat nhd (
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