公司生产的ZF34-252 GIS,额定电流5000A,额定短路开断电流63kA。产品为全新设计的集成化、模块化、标准化、小型化GIS,占地面积更少;开关断路器采用自能式灭弧原理,结构简单可靠,开断能力强,电寿命长;卧式断路器适配弹簧或液压碟簧操动机构,可靠性高,维护工作量少;金属铝合金材质外壳温升低,耐腐蚀,涡流小,产品质量更轻,整间隔运输,大大缩短现场施工周期;接线形式灵活,环境适应性强,可户内可户外布置,适用于环境条件恶劣的地区,高海拔和多地震地区以及用地紧张的闹市区和土石方开挖困难的山区水电站等。广泛适用于三相交流50Hz、额定电压252kV电力系统,快速有效安全的实现输配电网络电能输配连接、分配、切换、调度等。
252kV GIS组合电器
产品介绍
技术参数
|
主要技术参数 Main Technical Parameters |
||||||
|
序号 No. |
项目 Item |
单位 Unit |
参数 Parameter |
|||
|
1 |
额定电压 Rated voltage |
kV |
126 |
252 |
363 |
550 |
|
2 |
额定频率 Rated frequency |
Hz |
50 |
|||
|
3 |
额定电流 Rated current |
A |
3150 |
4000/5000 |
5000 |
5000/6300 |
|
4 |
额定短路开断电流 Rated short-circuit breaking current |
kA |
40 |
50 |
63 |
63 |
|
5 |
额定短时耐受电流 Rated short-time withstand current |
kA |
40 |
50 |
63 |
63 |
|
6 |
额定短路持续时间 Rated duration of short-circuit |
s |
4 |
3 |
3 |
3 |
|
7 |
额定峰值耐受电流 Rated peak withstand current |
kA |
100 |
125 |
171 |
171 |
|
8 |
额定短时工频耐受电压 (1min,有效值) Rated short-duration power-frequency withstand voltage (1 min, r.m.s.) |
|
|
|
|
|
|
|
相间,相对地 Phase-to-phase / phase-to-earth |
kV |
230 |
460 |
510 |
740 |
|
|
断口 Across the open switching device |
kV |
230+73 |
460+146 |
510+210 |
740+318 |
|
9 |
额定雷电冲击耐受电压 Rated lightning impulse withstand voltage |
|
|
|
|
|
|
|
相间,相对地 Phase-to-phase / phase-to-earth |
kV |
550 |
1050 |
1175 |
1675 |
|
|
断口 Across the open switching device |
kV |
550+103 |
1050+206 |
1175+295 |
1675+450 |
|
10 |
额定操作冲击耐受电压 Rated operating impulse withstand voltage |
|
|
|
|
|
|
|
相对地 Phase-to-earth |
kV |
/ |
/ |
950 |
1300 |
|
|
相间 Phase-to-phase |
kV |
/ |
/ |
1425 |
/ |
|
|
断口 Across the open switching device |
kV |
/ |
/ |
950+295 |
1175+450 |
|
11 |
局部放电 Partial discharge |
|
|
|
|
|
|
|
测试电压 Test voltage |
kV |
151 |
175 |
436 |
381 |
|
|
间隔 Bay |
pC |
≤3 |
≤3 |
≤3 |
≤3 |
|
|
绝缘件 Insulator |
pC |
≤3 |
≤3 |
≤3 |
≤3 |
|
12 |
SF6气体压力 SF6 gas pressure |
|
|
|
|
|
|
|
断路器 — 额定 Circuit breaker — Rated |
MPa |
0.6 |
0.6 |
0.6 |
0.6 |
|
|
断路器 — 报警 Circuit breaker — Alarm |
MPa |
0.55 |
0.55 |
0.55 |
0.55 |
|
|
断路器 — 闭锁 Circuit breaker — Lock-out |
MPa |
0.5 |
0.5 |
0.5 |
0.5 |
|
|
其它 — 额定 Other — Rated |
MPa |
0.4 |
0.4 |
0.4 |
0.4 |
|
|
其它 — 最低功能 Other — Minimum functional level |
MPa |
0.35 |
0.35 |
0.30 |
0.30 |
|
13 |
机械寿命 Mechanical endurance |
|
|
|
|
|
|
|
断路器 Circuit breaker |
次/op. |
10000 |
10000 |
10000 |
10000 |
|
|
隔离开关 Disconnecting switch |
次/op. |
10000 |
10000 |
10000 |
10000 |
|
|
快速及检修接地开关 Fast and maintenance earthing switch |
次/op. |
10000 |
10000 |
10000 |
10000 |
|
14 |
SF6气体年漏气率 Annual SF6 gas leakage rate |
% |
≤0.05 |
≤0.1 |
≤0.03 |
≤0.03 |




