Page 79 - 青岛特变电工有限公司

高压开关柜系列
High Voltage Switchgear Series 青 岛 特 变

型号含义 / Model and meaning
H X G N □ 12 □ R □

额定电流
Rated current
熔断器
Fuses
F：SF6 负荷开关 Z：真空负荷开关 无：压气式负荷开关
F: SF6 load switch Z: vacuum load switch None: The compressor load switch
额定电压
Rated voltage
设计序号
Design No.
户内
Indoor
固定式
Fixed
箱式结构
Box-type structure
环网单元
Ring Main Units

技术参数 / Technical Parameter
项目 project 单位 Unit FKN12-12 FZN25-12

额定电压 Rated voltage kV 12
1min 工频耐受电压 kV 对地及相间 42; 隔离断口 481
1min Power frequency withstand voltage On the ground and white 42; isolated fracture 481
对地及相间 75; 隔离断口 85
雷电冲击电压 ( 峰值 ) Lightning impulse voltage (peak) kV On the ground and white 75; isolated fracture 85
额定频率 Rated frequency Hz 50
主母线额定电流 Main busbar rated current A 630
额定电流 Rated current A 630
额定电流下电寿命 次 不小于 100
Electrical life at rated current Secondary Not less than 100
开断空载变压器容量 kVA 1250
Breaking load transformer capacity
额定热稳定电流 Rated thermal current kA/s 20/4; 接地开关 20/2 20/4; 20/2 grounding switch
负荷开关
negative 额定动稳定电流 ( 峰值 ) kA 50
Lotus Rated dynamic current (peak)
open 额定短路关合电流 ( 峰值 )
turn off Rated short-circuit current (peak) kA 50
熔断器额定电流 Fuse rated current kV 100
额定转移电流 Rated transfer current kV 1500 2000
额定短路开断电流
Rated short circuit breaking current kA 315
配用熔断器型号 Models equipped with fuses S □ LAJ-12(XRNT □ -10)
机械寿命 Mechanical life 次 2000 10000
辅助回路 1min 工频耐压 kV 2
1min power frequency voltage auxiliary circuit
电动操动机构工作电压 V 交直流 (DC) 220；110
Electric actuator operating voltage
防护等级 Protection class IP2X
外形尺寸(宽×深×高) mm 650(850)×900×2000(2200)
Dimensions (width × depth × height)
www.qingdaotebian.com 68