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1、DTV-12系列真空断路器DTV-12 Series Vacuum Circuit BreakerDTV-12/T系列户内真空断路器适用于电压为 12kV、额定频率为50（60）Hz的电力系统的户内开关设备，用于投切各种不同性质的负荷及频繁操作的场所，可供工矿企业、发电厂及变电站电气设施的保护和控制之用。DTV-12/T系列户内真空断路器的主回路采用固封极柱绝缘方式，固封极柱是通过自动压力凝胶工艺（APG）,将真空灭弧室及上下出线座直接固封在环氧树脂内组成，减少了导电搭接面及外界环境对灭弧室外壳的影响，提高了供电的可靠性，保证了产品在使用寿命周期内的免维护性。DTV-12/T系列户内真空断路器
2、弹簧操动机构采用模块化设计，原理简单、结构紧凑、传动零件少，动作稳定可靠，机械寿命长。DTV-12/T系列抽出式功能单元与真空断路器DTV-12/T series indoor vacuum circuit breaker (called the product in the following) is suitable to be used in the power system of rated voltage up to and including 12 kV, and rated frequency being 50(60) Hz, for the purpose of opening
3、 and closing the different kinds of loads. It can be used in the fields where the load is required to be opened and closed frequently. The product can also be used to protect and control the electric equipments of the industrial and mining enterprises, power plants and substations. DTV-12/T series i
4、ndoor vacuum circuit breaker employs embedded poles as the main circuit, in which the vacuum interrupters, upper and lower outgoing terminals are cast with the epoxy resin by the automatic pressure gelation technology (APG), thereby, the influence from the connecting surfaces and the external condit
5、ion to the vacuum interrupters is greatly reduced, and the reliability of the products is greatly improved.The operating device of the product is provided with modular design, simple principle, compact structure, greatly reduced parts and elements, stable and reliable operation and long mechanical e
6、ndurance.DTV-12/T series removable functional unit can be combined with the vacuum circuit breaker unit and other primary electric equipments. The removable part can be used for busbars connecting, measurement of electric energy, overload and short-circuit protection of the electric equipments, as w
7、ell as be used as the protective functional unit for maintenance, when it is 产品概述 General 环境温度：上限 +40 下限 -15 相对湿度：日平均不大于95%；月平均不大于90%； 饱和蒸汽压：日平均不大于2.210-3 Mpa； 月平均不大于1.810-3 Mpa； 无火灾、爆炸危险、严重污秽、化学腐蚀及激烈振动场所。 地震烈度不超过8度； Ambient temperature:-15 +40 Average value of day mean95%Average value of month mean
8、90% Saturation vapor pressure:Average value of day mean2.210-3 Mpa.Average value of month mean1.810-3 Mpa. The place where the products will be installed should be free from fire, explosion, heavy pollution, chemical corrosion and severe vibration. The earthquake intensity of the site in which the p
9、roducts will be installed should not be greater than 8 degree. When the products will be used in the condition Normal Service Condition 正常使用条件 GB1984-2003 交流高压断路器 DL/T403-2000 1035KV户内高压真空断路器订货技术条件 DL/T402-1999 交流高压真空断路器订货技术条件 GB/T11022-1999 高压开关设备和控制设备标准的共用技术要求 IEC62271-100:2001 High-Voltage High-V
10、oltage Alternating-Current Circuit-Breaker; Specification of High-Voltage Alternating-Current Vacuum Circuit-Breaker for Rated Voltage From 12 kV to 40.5 kV; Specification of High-Voltage Alternating Circuit-Breaker Common Specifications for High-Voltage 符合标准 The product meets the following standard
11、s: 技术参数 Main Technical Parameters 产品主要技术参数 The main technical parameters of the product项目 Item s单位 Unit 参数 Parameters 额定电压 Rated voltage额定短时工频耐受电压（1min）Rated power frequency withstand voltage within 1 min.额定雷电冲击耐受电压(峰值)Rated lightning impulse withstand voltage (peak )额定频率 Rated frequency额定电流 Rated c
12、urrent 额定短路开断电流Rated short circuit breaking current额定短时耐受电流（有效值）Rated short-time withstand current(rms)额定短路关合电流(峰值)Rated short circuit making current (peak)额定峰值耐受电流（峰值）Rated peak withstand current (peak)机械寿命 Mechanical endurance额定单个/背对背电容器组开断电流Rated single/back-to-back capacitor bank breaking curren
13、t额定短路电流持续时间Rated short circuit duration二次回路工频耐受电压（1min）Rated power frequency withstand voltage within 1 min of the secondary circuit . 额定操作顺序Rated operating sequence 短路电流开断次数Breaking times under short circuit breaking currentkVkVkVHzAkAkAkAkA次TimesASV次Times12427550(60)630 6301250 1250 1250 1250 1600
14、1600 2000 25002000 20 25 31.5 4050 63 80 12530000630/40020 25 31.5 4050 63 80 12542000O-0.3s-CO-180s-COO-180s-CO-180s-CO(40KA)274315020000(40kA)The permanent-magnetic operating device and embedded vacuum interrupters of DTV-12/M vacuum circuit breaker with embedded vacuum interrupters and permanent-
15、magnetic operating device (called DTV-12/M VCB in the following), are designed in front-rear mode, it can be moved out or into the switchgear on the ground. The vacuum interrupters and the upper and lower outgoing busbars are cast with epoxy resin by APG (Automatic Pressure Gelation) technology. Such structure can optimize the distribution of the electric field of the poles, prevent the dust from attaching on the surface of the vacuum interrupters, and can prevent the interrupters from be damaged by the external reason. Thereby, the product can be provided with high i
