XGV1-12型系列戶內高壓真空斷路器是用于12KV及以下電力系統的戶內開關設備,作為電網設備、工礦企業動力設備的保護和控制單元。由于真空斷路器的特殊優越性,尤其適用于要求額定工作電流的頻繁操作,或多次開斷短路電流的場所。
斷路器采用操動機構與斷路器本體一體式設計,既可做為固定安裝單元,也可配用專用推進機構,組成手車單元使用,其中固定式斷路器可以增加相應的聯鎖,以滿足配XGN系列、GG1A等固定柜的需要。
序號serial number
項目item
單位unit
數值numerical value
1
額定電壓The rated voltage
KV
12
2
額定短時工頻耐受電壓(1min)
Rated short-time power frequency withstand voltage(1min)
42
3
額定雷電沖擊耐受電壓(峰值)
Lightning impulse withstand voltage rating (peak value)
KV
75
4
額定頻率The rated frequency
Hz
50
5
額定電流Rated current
A
630,1250
1600,2000
2500
630,1250
1600,2000
2500,3150
630,1250,1600
2000,2500,
3150,4000*
6
額定短路開斷電流
The rated short circuit breaking current
KA
25
31.5
40
7
額定短時耐受電流
Rated short-time resistance current
25
31.5
40
8
額定短路持續時間
The rated short circuit duration
S
4
9
額定峰值耐受電流
The rated current peak of tolerance
KA
63
80
100
10
額定短路關合電流
Close the current of rated short circuit
63
80
100
11
二次回路工頻耐受電壓(1min)
Secondary circuit power frequency withstand voltage (1 min)
V
2000
12
額定單個/背對背電容器組開斷電流
A single rating/back to back the breaking current of capacitor set
A
630/400(40KA為800/400)
13
額定電容器組關合涌流
Rated capacitor Banks close inrush current
KA
12.5(頻率不大于1000Hz)
14
分閘時間(額定電壓)
Break-brake time (rated voltage)
ms
20~50
15
合閘時間(額定電壓)
Closing time (rated voltage)
35~70
16
機械壽命Mechanical life
次
彈簧機構:30000
永磁機構:100000
17
額定電流開斷次數(電壽命)
Rated current cut-off frequency (life)
30000
18
額定短路電流開斷次數
The rated short-circuit current open circuit
50
19
動、靜觸頭允許磨損累計厚度
Dynamic and static contact wear cumulative thickness are allowed
㎜
3
20
額定合閘操作電壓
Closing operation voltage rating
V
AC110/220 DC110/220
21
額定分閘操作電壓
Break-brake rated operating voltage
22
儲能電機額定電壓
Energy-storage motor rated voltage
V
AC110/220 DC110/220
23
儲能電機額定功率
Energy-storage motor rated power
W
70
24
儲能時間Energy storage time
S
≤15
25
觸頭開距Contact from
㎜
11±1
26
**行程Over travel
3.5±1
27
觸頭合閘彈跳時間
Contact closing bounce time
ms
≤2
28
三相分、合閘不同期性Three phase pointsclosing not synchronism
≤2
29
平均分閘速度Average speed brake
m/s
0.8~1.2
30
平均合閘速度
The average closing speed
0.5~0.8
31
主回路電阻The primary loop resistance
μΩ
≤60(630A) ≤50(1250A)
≤40(1600~2000A) ≤30(2500A以上)
32
觸頭合閘接觸壓力
N
2400±200(25KA)
3100±200(31.5KV)4250±250(40KA)
33
額定操作順序
O-0.3s-CO-180s-CO
40KA:O-180S-CO-180S-CO
*注:4000A需強制風冷。Note: 4000A forced air cooling.