Thong tin khoa hpc cong nghe m o y DANH GI.A ANH HUONG CUA CONG HUONG DIEN AP DO SONG HAI CUA TAI PHI TU\ EN DEN TU BU TRONG Ll/Cn DIEN kV CONG TV THAN NAM MAU KS Nguyen Xuan Nhi, TS Le Xuan Thanh Trur/ng Bgi hpc Mo - Dja chdt Bien tap: TS Ddo Dac Tgo Tom tat: (tie sir dung cdc thiit bj biin doi ttai phi tuyin) hi ihong diin mang lgi nhiiu lpi ich Tuy nhien, viic sir dung chimg sinh song hdi Wong cdc mgng diin vd ldm mio dgng sdng dien dp vd dong diin Diiu ndy ldm dnh hircnig l&n din sir ldm viic binh thucmg dieu kiin an loan cdng nhu- ludi thp cua cdc thiet hj dien Tlidng qua viic md phong trin phdn mem ATP, hai bdo phdn lich ddnh gid ldc dpng cua sdng hdi tdi phi tuyin ddi v&i cdc hp tu bii cong sudt phan khdng Tu dd di xudt nhimg phucmg phdp phii hcrp di logi ho tdc dpng tiiu circ ciia song lidi ddi vcri cdc thiit bj mgng diin Mo" dau md h i m Id thugng la cae bg khdi ddng m i m , cac o l nang cao hieu qua san xuit, hien nay, cac bg biin t i n , cac thilt bj biin doi, d l l u khien thilt bj dien tir' cdng suit (tai phi tuyin) duge sir Cae thilt bi la nguyen nhan chinh sinh dung rgng rai mang dien cua eae md h i m sdng hai mang dien 6kV eua md ham 16, ehung lam cho dang sdng ddng dien va dien ap 16, dac biet mang kV Viee sir- dung cac thilt bi dem lai hieu bi meo dang, khong cdn hinh sin Hinh va hinh ghi lai dang sdng ddng dien qua Idn v l kinh t l ky thuat nhung cung gay nhirng tae dgng tieu cyc den mang dien, ma va hai ciia mgt so tai phi tuyin dugc dang ke n h i t la sinh sdng hai Bai bao phan thyc t l mang dien kV md h i m 16 tieh k l cgng hudng dien ap sdng hai ciia tai Qua cae k i t qua thyc nghiem va ly thuylt phi tuyin, anh hudng d i n tu bii ludi dien hinh va hinh cho t h i y rang, tai phi KV md Nam Mau tuyin ludi kV ciia md gay meo dang ke Cong hu'dng dien ap song hai ciia sdng hai, THD d i u tren 23% (hinh 1), ea biet len d i n 115% (hinh 2) Oilu vi pham nghiem tai phi tuyen trgng cae Tieu chuan quie gia va quoe t l v l 2.7 Tai phi tuyin mang dien 6kV mo chit lugng dien nang [3] him Id 2.2 Phirong trinh toan hoc co cong hwang Tai phi tuyin duge sir dung mang dien ^^^^•(19 Q 24.6 % 25.5 x Q) 23.6 x 563 Ah 05 ® 21.1 X 61.8 A -14S"> fttnK ^ g ? 22.3X (D 20.8x 63.4 A 63.4 A -148" -14S« J \ / A1=*312.S A2=-338 A3= •SS THD a) Dang sdng ddng dien bj Pho tiai ddng dien Hinh Dang sdng va phd hai d6ng dien sau mot biin tin mang dien trung ap kV mo him 16 [7] tf MS-MCZ KHCNM SO 201- - CO DIEN - TL DONG HO.A ISO 0 w Thong tin khoa hpc cong nghe m o T&i PhAn tich phS s O n g d O n s cti^o plu s0 - I-Iô H ã44^1