Cơ sở tính toán kinh tế – kỹ thuậtlựa chọn PhƯơng ántối u trong thiết kế cung cấp điện

CHƯƠNG
Cơ sở tính toán kinh tế kỹ thuậtlựa chọn PhƯơng án
tối u trong thiết kế cung cấp điện
1. ặt vấn đề

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(trong phần này không đề cập đến vấn đề kỹ thuật các các phơng án).
2. Xác định các tham số kinh Từ
N 73O
PQ
M
&RGS

M
TN!%,U!V+%4

M
QWX
M
1) Tổng vốn đầu t:: K (đồng).
MK"Y= 4CD
RQR

GR
++
GR
Z+

R

E%4)J)[\&00&&&003[\ [&L
R
++
]Z :3+;3&
R
Z+
E%Z;3+(J1) :A$ )&
2 Chi phí vận hành năm: Y (đồng).
4"CNMM^/ $]8&
SQS
∆
\
GS

GS


GS


(4.1)
6D
S
∆
\
–M7O88&
S
∆
\
Q∆\&β
∆\–_``X8aO8
β_X`a8O&
S

–M7J7bc%] O#
[& :AL&
S

Q

&R

QdW%>[&


Qdde%>+;3&
S


M7*:;/ &
S

M7+4fJ+4[\LF!V=Ig&
N 4 31 73O=,!
!:4]7Z6"C1&
3. So sanh khi cã hai ph¬ng ¸n:
3.1 . Ph¬ng ph¸p thu håi vèn ®Çu t
h#R
W
FS
W
→0\W
R
i
FS
i
→0\i
 $WD R
W
jR
i
$ 37ZU3
S
W
jS
i
6A:4Zk→0\W
 $iD R

W
jR
i
S
W
lS
i
⇒#0\ m
B+n0\i→4]*$%
Gop,%* D

∆RQR
i
–R
W
_a&
Gop$7 8* D
∆SQS
W
–S
i
_X8a&
Gp,%J!V+0\iL* D

21
12
YY
KK
Y
K

T
−
−
=
∆
∆
=

(4.3)
M@#* ,*:+4
B1→0\i!q6*$&
*>→C0\ 6*$J;7KKb …L
*/$

QrJ3,s%%]O>./ "
#"8% >…&L&

$I,
t tn*2OJt>L-)
I&-'Hu

Qv8&-EB3

Qw8&
M8p 

r#0\!q$ !D
GBQ

6?&

GBl

0\641!q,$#&
GBj

0\6%4*>!q,$#&
3.2. Ph¬ng ph¸p chi phÝ cùc tiÓu
R6+%A+7
("#%&
x( ,73OPZIbC"p
∑
−
−
−
−
+=
1
1
2
1
.
).(
TC
TC
T
t
T
TC
t
t

i
Z
ZZ
β
β
(4.7)
0  6P1!q*  % 
0 % 6" >ZIbI73)0EM 
J0b!bE*brM!!L
∑
−
=
TC
T
t
t
t
CP VC
0
.
β
6
0EMI73O)
i
+
=
1
1
β
!%3O

i- N!%

M
O!%8g7
M

7C18pFX8&
060EM1* %
VÝ dô ¸p dông 1
hK6
0WD6τQeddd

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