鐢靛姏绯荤粺鏆傛�佸垎鏋愯瘯鍗凤紙
1
锛?/p>
涓�銆?/p>
锛?/p>
25
鍒嗭級绠�绛?/p>
1
锛?/p>
浠�涔堟槸鐢靛姏绯荤粺鐭矾鏁呴殰锛熸晠闅滅殑绫诲瀷鏈夊摢浜涳紵
2
锛?/p>
鍒楀嚭鐢靛姏绯荤粺鐨勫悇鐢靛帇绛夌骇瀵瑰簲鐨勫钩鍧囬瀹氱數鍘嬶紵
3
锛?/p>
鍚屾鍙戠數鏈轰笁鐩哥煭璺椂涓轰粈涔堣杩涜娲惧厠鍙樻崲锛?/p>
4
锛?/p>
鍒嗚鐢垫姉鐨勪綔鐢ㄦ槸浠�涔堬紵
5
锛?/p>
绠�杩拌繍绠楁洸绾挎硶璁＄畻涓夌浉鐭矾鐢垫祦鐨勬楠ゃ�?/p>
浜屻�?/p>
(15
鍒?/p>
)
涓嬪浘涓轰竴鏃犵┓澶у姛鐜囩數婧愪緵鐢电郴缁燂紝璁惧湪
K
鐐瑰彂鐢熶笁鐩哥煭璺紝濡傛灉璁捐瑕佹眰
閫氳繃鐢垫簮鐨勫啿鍑荤數娴佷笉寰楄秴杩?/p>
30
KA
,
闂苟琛屾暦璁剧殑鐢电紗绾胯矾鏈�澶氬璁稿嚑鏉★紵
(K
M
=1.8)
涓夈�?/p>
(
15
鍒?/p>
)
鏌愮郴缁熸帴绾垮強鍚勫厓浠跺弬鏁板涓婂浘鎵�绀猴紝璁惧湪
f
鐐瑰彂鐢熶笁鐩哥煭璺�傝嫢閫?/p>
S
B
=100
MV
A
锛?/p>
U
B
=
U
av
锛岃瘯璁＄畻锛?/p>
(1)
鐢垫簮
G
鍙婄郴缁?/p>
S
瀵?/p>
f
鐐圭殑杞Щ鐢垫姉
x
Gf
銆?/p>
x
Sf
銆?/p>
(2)
濡傛灉鏍规嵁杩愮畻鏇茬嚎鏌ュ緱
t
= 0.2
绉掓椂鐢垫簮
G
鐨勭煭璺數娴佹爣涔堝�间负
I
G
0
2
.
飩偄
飥?/p>
2.6
锛?
鍒?/p>
t
= 0.2
绉掓椂鐭矾鐐规�荤數娴佺殑鏈夊悕鍊兼槸澶氬皯锛?/p>
鍥涖�?/p>
锛?/p>
10
鍒嗭級绯荤粺鎺ョ嚎濡傚浘鎵�绀?/p>
,
褰?/p>
f
鐐瑰彂鐢熶笉瀵圭О鎺ュ湴鐭矾鏁呴殰鏃?/p>
,
璇曚綔鍑虹浉搴旂殑鍚勫簭
绛夊�肩綉缁溿�?/p>
(
鐣ュ幓鍚勫厓浠剁數闃诲拰鎵�鏈夊鍦板绾冲強鍙樺帇鍣ㄥ姳纾佸绾?/p>
)
1250m
x
1
=0.083
惟
/km
r
1
=0.37
惟
/km
S=
鏃犵┓澶?/p>
6kV
, 200A
X
R
%=4
P
蠁
=1.68KW
L
k
X
k
=0.2
惟
R
K
=0.1
惟
G
1
T
1
T
2
L
f
X
n1
G
2
X
n2
S
GN1
=100MV
A
X
鈥?/p>
d
=0.2
S
TN1
=20MV
A
u
k
%=10
100km
X
0
=0.4
惟
/km
P
GN2
=40MW
cos
褎
=0.8
X
鈥?/p>
d
=0.25
k
10.5KV
115KV
S
TN2
=20MV
A
u
k
%=10.5
10.5KV