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技术参数 Technical Parameter 翼展宏图 腾飞万里
Wingspan grand plan takes off thousands of miles
VDK-12 真空断路器 - 二工位隔离开关组合电器
VDK-12 VCB - two-station isolation switch combination of electrical appliances
项目 单位 参数
Project Unit Parameter
额定电压 Rated voltage kV 12
额定频率 Rated frequency Hz 50
1min 工频耐受电压 对地、相间 To the ground and interphase 42
1min power frequency withstand voltage 隔离断口 Isolating distance 48
额定绝缘水平
Rated 雷电冲击耐受电压 ( 峰值 ) 对地、相间 To the ground and interphase 48
insulation Lightning impulse withstand voltage (peak) 隔离断口 Isolating distance kV 75
level 辅助 / 控制回路 1min 工频耐受电压(对地)
Auxiliary / control loop 1min power frequency 2
withstand voltage (to ground)
额定电流 Rated current A 630/1250(1600A 可定制 )
额定短路开断电流 主回路 / 接地开关 Main circuit / earthing switch kA 31.5/4s
Rated short-circuit breaking current 接地回路 Ground loop 27.4/4s
额定峰值耐受电流 主回路 / 接地开关 Main circuit / earthing switch 80
Rated peak withstand current 接地回路 Ground loop kA 68.5
额定短路开断电流及次数 kA/
Rated short-circuit breaking current and frequency 次 31.5/30
额定电缆充电开断电流
Rated cable charging breaking current A 31.5
断路器额定操作顺序 O-0.3-CO-180s-CO
Circuit breaker rated operating sequence
机械寿命 Mechanical life 断路器 / 隔离开关 VCB/ disconnector 次 10000/3000
防护等级 Protection class 开关设备外壳 Switchgear housing IP4X
VDF-12 真空负荷开关 - 二工位隔离开关组合电器
VDF-12 VLS - two-station isolation switch combination of electrical appliances
项目 单位 参数
project Unit parameter
额定电压 kV 12
Rated voltage
额定频率 Rated frequency Hz 50
1min 工频耐受电压 对地、相间 To the ground and interphase 42
1min power frequency withstand voltage 隔离断口 Isolating distance 48
额定绝缘水平 雷电冲击耐受电压 ( 峰值 ) 对地、相间 To the ground and interphase 48
Rated Lightning impulse withstand voltage (peak) 隔离断口 Isolating distance kV 75
insulation level
辅助 / 控制回路 1min 工频耐受电压(对地)
Auxiliary / control loop 1min power frequency 2
withstand voltage (to ground)
额定电流 Rated current A 630/1250
额定短路开断电流 主回路 / 接地开关 Main circuit / earthing switch kA 25/4s
Rated short-circuit breaking current 接地回路 Ground loop 21.7/4s
额定峰值耐受电流 主回路 / 接地开关 Main circuit / earthing switch 63
Rated peak withstand current 接地回路 Ground loop kA 54.5
额定有功负载开断电流 A 1250
Rated Active load breaking current
额定闭环断电流 Rated closed loop current A 1250
5% 额定有功负载开断电流 5%Rated Active load breaking current A 31.5
额定电缆充电开断电流
Rated cable charging breaking current A 10
额定有功负载开断次数 Rated active load number A/ 次 630/100
接地故障电流开断 Ground fault breaking current A/ 次 31.5/10
接地故障条件下的线路和电缆充电电流开断
Under the condition of grounding fault line and cable charging A/ 次 17.4/10
breaking current
机械寿命 Mechanical life 断路器 / 隔离开关 VCB/ disconnector 次 10000/3000
防护等级 Protection class 开关设备外壳 Switchgear housing IP4X
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