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LỜI CẢM ƠN
NkY\0l0W2X2a,0m0hRbnY^R >e+>oY8?26k2>7Ypqr01
0`lY  Y2; >s 89 62- Ye0 Yd; 01t05 0O, 2[ k
qr.GMNONP<2lGMQRS+;T0N>+?0]+[0N`l0g
buY`0v0w8\Y[YakY07Y2iYx05Yd;83022-Yc+
,M
S+;8e,l0W2X2Y^R 2i/0+1023+4256789:;y0NkY
8e,bN+0eR2-Yc+6N254;2WiY;Uz{l9
RW789:;|U2i2iU92l8=Y:}:tv63
92q+ 2- Yc+>e+>oY60Q RP2 823+ 42i Y 0W2 0N >+?0]+[
0N`07Y2ib+1[MW2X2~2bf2Y^R 8\Y[Y0O,YW2[0N
2i2iU92l6k2}kqr60N;8•2Nh02[0N€63
Y+,-RWMW2YX2Y^R a;Yd2iR6Y[Y062-07Y2i
8302YhtkYR=>?MC•MCD‚DDƒDBl0QRP2823+42i0+1b_2Y
0W20N]+[0N`07Y2ib+1[60~2iRY[Y4\0]+^2-Yc+M
G;+Y„l0W2q}bf2,-+0 h0~28\2;8`0W2.a?R…l
Y[Y;Y€†Rl8‡Ya2i0b6_6;2Y[2MG78962-lY2;>s62ut8ˆ
Yd;2;8`lb89b7YRQR‰2ut0W26_0]+;RP24:4T85
0b+1[,M
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MỤC LỤC
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%<MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMD



h+0NuYRQYb7YMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMD•

DM•MA

+,-bvbR62iY€Yb++–'MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMAD

DMV

[YYW0N`2-Yc+63€Yb++–'6k2-
Yc+b+1[MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMAB

DMVMD

 t[t823+Y\89N9X+MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMAB

DMVMA

h+0NuY823+425€Yb++–'MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA@

DMVM•

(qx€Yb++–'MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA•

DMB

\0b+1MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM•C

A



<W`€Yb++–'tj;R90Y23+6k28O+6+–
[tMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMV•

AMAMV

25RYeaZ0NRW`tj;R90Y23+€Yb++–
'MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMVB

AM•

‡Y825R89PY4WYd;RW`€Yb++–'tj;
R90Y23+6k28O+6+–[tMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMV@

 V
AM•MD

^>[06k28O+N;qn82i0N+a`Y^,]+;Y+9Y^R
y
%
D
˜%
A
{MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMV@

AM•MA

^>[06k28O+N;82i[t0N+a`0N-0xy

D


<QY 6n 823+ Yp qn 82i tj; X;, Y23+ €Y b+
+–'MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMB•

•M•M•

<QY6n823+Yp82i[ttj;R90Y23+€Yb++–
'MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMB•

•M•M•MD2\0 4\ 0† t  t[t a;Y4>0†tt2
 MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMB•
•M•M•MA2\0 4\ 0† t  t[t a;Y4>0†tt2 0jY 2
 MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM@A
•M•M•M•2\0 4\ 0† t  t[t 0+,\ 0j :; Yj X[Y
 MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM@V
•MV

\0]+^RWtmYh+0NuY823+425€Yb++–'?2bk2
Yt2R‡00Nf2MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM@@

•MVMD

;R>?RWtmMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM@@

•MVMA

\0]+^RWtmMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM@œ

•MVMAMD\0 ]+^ RW tm 0† t  t[t a;Y4>0†tt2
 MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM@•

VMV

\0]+^RWtmi0?823+425€Yb++–'Yi
t[082i>cY2:MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM•@

VMVMD

;R>?RWtmMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM•@

 B
VMVMA

\0]+^RWtm425RYc4^TbR62iYYd;t 
t[ta;Y4>0†tt20jY2MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM•œ

VMVM•

\0]+^RWtm0Nf_t?2bk2yN2qY†Y0†q{MMMMMMMMM••

VMVMV

\0]+^RWtm0Nf_t89Yb1ty>0;q;b†{MMMMMMMMMMMMMM•D

VMB

\0b+1MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM•A

B

<— •   I  ž )< ™" š !"


<W`07Y2iR€Yb++–'bR62iY89Yb1tMMMMMMMMDCB

BMBMD

|e,q7RW`MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMDCB

BMBMA

\0]+^07Y2iRMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMDC@

BM@

<W`07Y2iR€Yb++–'bR62iY?2bk2MMMMMMMDC•

BM@MD

|e,q7RW`MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMDC•

BM@MA

\0]+^07Y2iRMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMDC•

BMœ

\0b+1MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMDDD

F%"EF$MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMDDA

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Bảng 2.1

Hệ số điều chế cho mỗi van bán dẫn NLNZ khi cho phép cả ba nhánh
van mạch nghịch lưu “ngắn mạch’’ – mẫu xung MX
3
37

Bảng 2.2

Hệ số điều chế cho mỗi van bán dẫn NLNZ khi cho phép hai nhánh van
mạch nghịch lưu “ngắn mạch’’ – mẫu xung MX
3
38
Bảng 3.1

Tham số mô phỏng nghịch lưu nguồn Z 66

Bảng 3.2

Tham số pin năng lượng mặt trời Shell-SQ160 (nguồn: [61]) 67

Bảng 3.3

Giá trị V
mp
và I
mp
tại của pin mặt trời tại điều kiện làm việc khác nhau 67

Hệ phát điện phân tán tham gia trong mạng điện 16

Hình 1.2

Thiết bị điện tử công suất cho hệ phát điện phân tán 18

Hình 1.3

Cấu trúc thiết bị biến đổi công suất tiêu biểu sử dụng cho hệ phát điện
phân tán 19

Hình 1.4

Cấu trúc mạch lực bộ biến đổi nguồn Z 20

Hình 1.5

Sơ đồ mạch lực nghịch lưu ba pha nguồn Z 20

Hình 1.6

Mạch tương đương phía một chiều NLNZ 21

Hình 1.7

Mạch điện tương đương phía một chiều NLNZ trong trạng thái 1 22

Hình 1.8

Mạch điện tương đương phía một chiều NLNZ trong trạng thái 2 23

Vị trí các vector chuẩn trên hệ tọa độ tĩnh αβ 32

Hình 2.2

Thuật toán xác định vector điện áp đặt trong mỗi sector 32

Hình 2.3

Các mẫu xung xuất hiện trong điều chế vector không gian cho NLNZ . 34

Hình 2.4

Đặc tính làm việc tương ứng với các mẫu xung NLNZ 36

Hình 2.5

Đầu ra mạch NLNZ nối lưới thông qua mạch lọc LCL 40

Hình 2.6

a) Mạch điện tương đương phía một chiều NLNZ với đầu vào nguồn
dòng, b) trạng thái “ngắn mạch”, c) trạng thái “không ngắn mạch”, d)
dạng dòng điện tức thời chảy qua các phần tử nguồn Z. 41

Hình 2.7

Mô hình nghịch lưu nguồn Z với đầu vào nguồn dòng 42

Hình 2.8



Mạch điện tương đương pin mặt trời 52

Hình 3.4

Đặc tính i - v của Shell-SQ160 theo nhiệt độ T 53

Hình 3.5

Đặc tính i - v của Shell-SQ160 theo mật độ ánh sáng G 53

Hình 3.6

Cấu trúc điều khiển NLNZ nối lưới cho hệ pin mặt trời 54

Hình 3.7

a.Đặc tính công suất
(
)
pv pv
p u
, b.Sơ đồ khối điều khiển 55

Hình 3.8

a.Đặc tính công suất
(
)
pv pv

thiết kế theo phương pháp tuyến tính hóa chính xác 66

Hình 3.13

Kết quả mô phỏng khi nhiệt độ làm việc thay đổi theo phương pháp
backstepping 69

Hình 3.14

Kết quả mô phỏng khi mật độ ánh sáng thay đổi theo phương pháp
backstepping 70

Hình 3.15

Kết quả mô phỏng khi nhiệt độ làm việc thay đổi theo phương pháp
tuyến tính hóa chính xác 72

Hình 3.16

Kết quả mô phỏng khi mật độ ánh sáng thay đổi theo phương pháp tuyến
tính hóa chính xác 73
Hình 4.1

Các hệ phát điện sức gió (nguồn: [55]) 76

Hình 4.2

Sơ đồ khối chức năng điều khiển điện tử công suất nối lưới cho hệ phát
điện sức gió (nguồn: [1]) 76


Hình 4.9

Kết quả mô phỏng kiểm chứng khả năng làm việc phương pháp
backstepping thích nghi 88

Hình 4.10

Kết quả mô phỏng hệ thống điều khiển NLNZ nối lưới cho hệ phát điện
sức gió sử dụng máy phát PMSG 90

Hình 4.11

Kết quả mô phỏng hệ thống điều khiển NLNZ độc lập cho hệ phát điện
sức gió sử dụng máy phát PMSG 92
Hình 5.1

Cấu trúc hệ thống mô phỏng thời gian thực (nguồn: [61]) 94

Hình 5.2

Kết quả mô phỏng thời gian thực khi mật độ ánh sáng thay đổi theo
phương pháp backstepping 100

Hình 5.3

Kết quả mô phỏng thời gian thực khi nhiệt độ thay đổi theo phương pháp
backstepping 101

Hình 5.4


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1 TỔNG QUAN
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