tailieunhanh - Energy Storage in the Emerging Era of Smart Grids Part 15

Tham khảo tài liệu 'energy storage in the emerging era of smart grids part 15', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 408 Energy storage in the Emerging Era of Smart Grids X 1 1 X 2 X 1 X 2 Í 1 ã Sìặ -1 -Ệ ăS 2 ậ2 4 ạ3 ty VAB 3 i 3 o a vab Í VBC rÍAt ã y -z S33 z 1 7 a 2 Sj -Ầ 2 3 ặsi vbc 25 a a a a CA 2 1 1 2 1 2a v a 0 .57 31 ã 11 y -Ạ 1 l z a 2 i 2 Ạj 3 3 o o o o o o u Each Sij element of the 33 matrix represents the stat e of each bi-directional switch if switch Sij is off then Sj o elseSij 1 . Fig. 5. Matrix converter topology. The 3-phase matrix converter presents 27 switchng combinations or vectors 10 since for 3 all k 1 2 3 JSkj 1 . j-1 The input phase currents ia ib ic can be related to the output phase currents si is2 is3 by ĩaM Su S31 J J a a a ib a 12 22 S32 L2 a a 26 A 13 23 33 is 3 0 0 The 27 switching combinations of the nine bi-directional switches Sjj Table 1 can be used as output voltage and or input current vectors given as functions of eachặj state meaning that the control of the matrix OU tput voltages and matrix input ric filter currents Fig. 5 is not independent. 409 Predictive Optimal Matrix Converter Control for a Dynamic Voltage Restorer with Flywheel Energy storage N. Sn S12 S13 S21 S22 S23 S31 S32 S33 ĩ a í Vg t Vc t 1 1 0 0 0 1 0 0 0 1 ĩ f vb t Vc t 2 0 1 0 0 0 1 1 0 0 vb t Ve t va t 3 0 0 1 1 0 0 0 1 0 Ve t v t vb t 4 1 0 0 0 0 1 0 1 0 v t Vc t vb t 5 0 1 0 1 0 0 0 0 1 vb t va t Ve t 6 0 0 1 0 1 0 1 0 0 Ve t vb t va t 7 1 0 0 0 1 0 0 1 0 va t vb t vb t 8 0 1 0 1 0 0 1 0 0 vb t v t v t 9 0 1 0 0 0 1 0 0 1 vb t Ve t Ve t 10 0 0 1 0 1 0 0 1 0 Ve t vb t vb t 11 0 0 1 1 0 0 1 0 0 Vc t v t v t 12 1 0 0 0 0 1 0 0 1 va t Ve t Ve t 13 0 1 0 1 0 0 0 1 0 vb t v t vb t 14 1 0 0 0 1 0 1 0 0 v t vb t v t 15 0 0 1 0 1 0 0 0 1 Ve t vb t Ve t 16 0 1 0 0 0 1 0 1 0 vb t Ve t vb t 17 1 0 0 0 0 1 1 0 0 v t Vc t v t 18 0 0 1 1 0 0 0 0 1 Vc t v t Vc t 19 0 1 0 0 1 0 1 0 0 vb t vb t va t 20 1 0 0 1 0 0 0 1 0 v t v t vb t 21 0 0 1 0 0 1 0 1 0 Ve t Ve t vb t 22 0 1 0 0 1 0 0 0 1 vb t vb t Ve t 23 1 0 0 1 0 0 0 0 1 v t v t Ve t 24 0 0 1 0 0 1 1 0 0 Ve t Ve t v t 25 1 0 0 1 0 0