Tối ưu hóa vị trí thiết bị bù trong mạng phân phối

vi
MCăLC

 Trang

 i
 ii
 iii
 iv
ABSTRACT v
 vi
 xi
 xii
 xiv
CHNGă0ăMăĐU 1
1. t v 1
 2
 2
 2
 2
 2
 3
CHNGă1ăTNGă QUANă Vă ă MNGă LIă PHỂNăPHIăVĨăTHITăBă
BỐăCỌNGăSUTăPHNăKHỄNG 4
 4
1. 4
-1) 4
-2) 5
 5
i 6
vii

 6
 9
 11
 11
 11
 12
 12
 13
 13
 13
 15
 15
 15
 16
 16
 16
 17
 18
 19
 19
 19
CHNGă 2ă CỄCă PHNGă PHỄPă TệNHă TOỄNă XỄCă ĐNHă DUNG
LNGăVăTRệăTHITăBăBỐăCSPKăTRểNăLIăPHỂNăPHI 22
 22
 22
 22
 22
 24
 25
viii

 25
 29
 32
 32
 36
 38
 39
 39
 42
 44
CHNGă3ăXỂYăDNGăMỌăHỊNHăTệNHăTOỄNăBỐăTIăUăCSPKăTRểNă
LIăPHỂNăPHI 47
 47
 47
 47
 48
 48
 49
3.2.  50
 50
 53
 56
 57
 58
 58
 59
3.3.2.3 Diagram View 59
 59
s View 60
ix

 60
 60
 66
 68
CHNGă4ăXỄCăĐNHăVăTRệăBỐăTIă UăăTRểNăTUYNă480LXăă LPPă
22kVăTHUCăĐINăLCăTHOIăSN- CỌNGăTYăĐINăLCăANăGIANGă
VIăăPHNăMMăPSS/ADEPT 69
  69
 69
 69

TRÌNH PSS/ADEPT 70
 70
 71

nh 72
 78
 79
 80
 80

khác nhau 80
 89
CHNGă5ăKHOăSỄTăNHăHNGăCAăĐịNGăCTăTăBỐăăĐNăVNă
HĨNHăLIăĐINăPHỂNăPHI 91
 91
 91
 92
 92
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
 93
 94
 96
CHNGă6ăKTăLUNăVĨăHNGăNGHIểNăCUăPHỄTăTRIN 101
 101
6.2 102
TĨIăLIUăTHAMăKHO 103
PHăLC 104

xi
DANHăMCăBNGăBIU

Bngăs Tênăbng Trang
 74
 75
 77
  79
  80
 85
bù 87
bù và sau bù 87
 88
 89
 89
 90
xii
DANHăMCăHỊNHăV

Hìnhăs Tên hình Trang

Hình 1- 4
Hình 1- 5
Hình 1-3  7
Hình 1-4  9
Hình 2-1  23
Hình 2-2.  24
Hình 2-3.  25
Hình 2-4.  28
Hình 2-5.  29
Hình 2-6.  
b
và T
c
29
Hình 2-7  31
Hình 2- 32
Hình 2- 34
Hình 2- 35
Hình 2- 38
Hình 2-  39
Hình 2- 41
Hình 2- 42
Hình 2- 43
Hình 2-g v 43
Hình 2-17. 
 = 0) 46
 47
Hình 3-2 S 48
Hình 3- 50
Hình 3- 57

xiii
Hình 3- 58
Hình 3-6  60
Hình 3- 61
Hình 3- 62
Hình 3- 62
Hình 3- 63
Hình 3- 63
Hình 3- 64
Hình 3-m trung gian 64
Hình 3- 65
Hình 3- 65
Hình 3- 66
Hình 3-po 67
Hình 3- 67
Hình 4- 78
Hình 4- 79
Hình 4-ng tham gia quá trình tính toán 81
Hình 4- 81
Hình 4- 82
Hình 5- 91
Hình 5- 92
Hình 5- 94
Hình 5- 95
 96
Hình 5- 96
Hình 5- 97
Hình 5- 98
Hình 5- 99
Hình 5- 99

xiv
DANHăMCăCỄCăCHăVITăTTăVĨăKụăHIU

CA: Cao áp
 
CSPK: 
CSTD: 
 
 
EVN: 
GTO: - Gate Turn Off
HA: 
HCM PC: 
 
LPP: 
 
MBA: 
 
SVC: 

TA: Trung áp
TCR:  Thyristor Controlled Reactor
TCT: 
TSC:   Thyristor Switched Capacitor
TSR:  Thyristor Switched Reactor
 

Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 1
CHNGă0

MăĐU
1. Đặt vnăđ

 


tính to

gia
 



 

               









“ Tối u hóa vị trí thiết bị bù trong
lới phân phối”  
Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 2
h


2. Nhimăvăcaălunăvĕn
+ 



+             

.

3.ăPhmăviănghiênăcu
Nghiên c


4. Phngăphápănghiênăcu
+ 
+ Phâ
.
5.ăĐimămiăcaălunăvĕn
Xây d    nh v trí bù t  b   phân tích
ng dòng tin t  s dng phn mm PSS/APEPT 5.0
6.ăGiáătrăthcătinăcaăđătƠi
+ 

  này có th
tính toán áp dng cho các xut tuyn còn li ci phân phn lc An Giang.
+ Xây d    n phân phi   ng PSS/ADEPT
quen thuc và thông du này s tu kin thun li cho vic nghiên cu
Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 3

và phc v ging dy ca các giáo viên, sinh viên ngành in và nhng k 
c phân phn.
7. Niădung lunăvĕn
: “ Tối u hóa vị trí thiết bị bù trong mạng phân phối”
.
1  .
2: C

3: ô hình tính toán  
.
4:  
thu     -         
PSS/ADEPT 5.0.
 
 .

Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 4
CHNGă1
TNGăQUANăVăMNGăLIăPHỂNăPHIăVĨă
THITăBăBỐăCỌNGăSUTăPHNăKHỄNG

1.1. Liăphơnăphi
1.1.1. Vaiătròăcaăliăphơnăphi
              

              

- 
- 

             

1.1.1.1 Phân phối theo một cấp điện áp trung áp (Hình 1-1)
 
 -22-10-6 kV)
 
-
22-10-6/0.4 kV)





i)


Hình 1-1. 
Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 5
1.1.1.2 Phân phối theo hai cấp điện áp trung áp (Hình 1-2)

 
-
10-6 kV).
 (35/22-10-6 kV).
 -10-6/0.4 kV).


 
 

 
 

 

1.2. Đặcăđimăchungăcaăliăphơnăphi

 

Hình 1-2.  








gian


Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 6
 

 

 



 . Tuy


 
 




1.3. Hinătrngăbùăcôngăsutăphnăkhángătrongăliăphơnăphi
1.3.1. Tìnhăhìnhăbùăcôngăsutăphnăkhángăăncăta
-
 





                 
400/240

Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 7

Hình 1-















m

- 

(10 ÷ 20MVAR).
Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 8


 
V 
, 
 






          



 
            


 -  

-


 , 

 


Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 9
1.3.2. Vnăđăbùăcôngăsutăphnăkhángăămtăsăncătrênăthăgii






Hình 1-4 
a)  
-


 
         ,    


b) -


Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 10


, 

c) 
1-4c). Theo 



c




, 

Hershey Energy Systems

    
. 



AFPC (Automatic Power Factor
Controller) POWERWARE 


d) 

Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 11

Anwar Shahzad Siddiqui [7], C. Chin [8], Samala et al [9], M. Chis et al [10] 
 Heuristic…



máy công tá


1.4. McăđíchăcaăvicăbùăCSPK trongăliăphơnăphiă

               


 


1.4.1ăăGimăđcătnăthtăcôngăsutătrongămngăđin.
Tn tht công sunh theo công thc:
(1.1)

t tác dng [w], Q là công sut phn kháng [VAR],
n cn tr 


(Q)
do Q gây ra.
1.4.2.ăGimăđcătnăthtăđinăápătrongămngăđin

(1.2)

2 2 2 2
(P) (Q)
2 2 2
P + Q P Q
    
U U U
(P) (Q)
PR + QX P Q
    
U U U
Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 12

22
P + Q
I =
3U

(Q)
do Q

1.4.3 TĕngăkhănĕngătruynătiăcaăđngădơyăvƠămáyăbinăáp




(1.3)


                 

v


 còn 


1.5. Cácăthităbăphátăcôngăsutăphnăkhángătrênăliăphơnăphi

n

 




             




Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 13
1.5.1ăăCácăngunăphátăcôngăsutăphnăkhángătrênăli
1.5.1.1. Máy bù đồng bộ


        
   

    
kt
        

0
) thì máy phát ra CSPK
Q
b
 
kt
(kích thích non, E<U,

0




 

1.5.1.2. Tụ điện tĩnh









CSPK do t
Q
C
= U
2
.2f.C.10
-9
(kVAR) (1.4)
F).
Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 14




   





- 0,005) kW/kVAR.
- 
- 


- 


2
22
C
U
Q = I X CU
1/ C



(1.5)
- 
- 
n

- 

- 


-              - 22 kV và 0,4 kV.
 

Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 15
1.5.2ăăuănhcăđimăcaăcácăngunăphátăcôngăsutăphnăkháng
1.5.2.1. u điểm của tụ điện so với máy bù đồng bộ
- 
này 
- 



-  0,5)% công

-
- 
 
 



- 


-  

1.5.2.2. Nhợc điểm của tụ điện so với máy bù đồng bộ
-               
 

-  


Luận văn thạẾ sĩ GVHD: PGS.TS. Quyền Huy Ánh
HVTH: Nguyn PhướẾ LộẾ 16


              


3) Khắc phục nhợc điểm của tụ bù tĩnh bằng thiết bị điều khiển
Thyristor (SVC)


      


 

1.6. Cácătiêuăchíăbùăcôngăsutăphnăkhángătrênăliăphơnăphi
1.6.1ăăTiêuăchíăkăthut
1.6.1.1. Yêu cầu về cosφ
 
 
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     
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- 

- 

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