Page 40 - 山东开川电力设备有限公司

KCSRM16-12
气体绝缘金属封闭开关设备
Gas insulated metal enclosed switchgear

主要技术参数/The main technical parameters

项目 单位 负荷开关单元 组合电器单元 断路器单元
Project Unit Load switch unit Combined electrical unit Circuit breaker unit
额定电压
Rated voltage kV 12/24
额定频率 Hz 50/60
Rated frequency
主母线额定电流
Main busbar rated current A 630 , 1250
额定电流
Rated current 630 125 630、1250
额定短路开断电流 kA/次数 31.5 20、25/30
Rated short-circuit breaking current Times
额定短路关合电流（峰值）
Rated short circuit closing current (peak) kA 50 80 50、63
主回路4s/接地回路4s
额定短时耐受电流 Main circuit 4s / ground circuit 4s 20 20、25
Rated short-time withstand kA
current 接地连接回路4s 17.4 17.4、21.7
Ground connection circuit 4s
主回路／接地回路
额定峰值耐受电流 Main circuit / ground circuit kA 50 50、 63
Rated peak withstand current 接地连接回路
Ground connection loop 43.5 43.5、54.6
额定转移电流 A 1750(12kV)/1400(24kV)
Rated transfer current
开断、关合能力 E3级 E2级
Breaking and closing ability E3 level E2 level
1min工频耐压 相对地、相间
1min power Relatively 42(12kV)/65(24kV)
frequency
额定绝缘水平 withstand 真空断口、隔离断口 48(12kV)/79(24kV)
Rated voltage Vacuum fracture, isolation fracture kV
insulation 雷电冲击耐 相对地、相间
level 受电压（峰值） Relatively 75(12kV)/125(24kV)
Lightning
impulse 真空断口、隔离断口
resistance 85(12kV)/145(24kV)
Voltage (peak) Vacuum fracture, isolation fracture
辅助回路1min工频耐压
Auxiliary circuit 1min power frequency withstand voltage kV 2
额定单个／背对背电容器组开断电流
Rated single / back to back capacitor bank breaking current A 400
额定电容器组关合涌流 kA 20(50Hz)
Rated capacitor bank
负荷开关,组合开关 5000/3000 5000/3000
机械寿命 Load switch 次
Mechanical life 断路器，隔离开关 Times
Circuit breaker, disconnector 10000/3000
设计水平及额定充入水平 0.04
Design level and rated filling level
SF6气体额定压力（20℃相对
值） 最低功能水平
SF6 gas rated pressure (20 ℃ Minimum functional level Mpa 0.02
relative value)
压力释放装置释放压力
Pressure relief device releases pressure 0.14
密封气箱 IP67
防护等级 Sealed air box
Protection level 开关设备外壳
Switchgear housing IP4X
密封性能 年漏气率≤0.01%
Sealing performance Annual air leak rate ≤0.01%

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