短路保护

• Intellectual protection : the torch is installed protective apparatus to reliably protect battery and extend torch ' s service life ; intellectual charger is also installed with short circuit protection and charging display apparatus
  智能保护:电筒内配置有过放、过充及短路保护装置，有效地保护电池、延长电筒使用寿命;智能型充电器设有短路保护和充电显示装置
• Traditional protect of short circuit is that the switch is directly switched off when power system has happened short circuit . because of the long time of drawn - arc during cutting high - value current , the equipment ' s capability of breaker has to very large
  传统的短路保护是以断路器强行开闸，这种方法往往由于短路电流过大造成长时间拉弧，因此这样的装置普遍要求断路器容量比较大。
• By this method , the precision of the measurement is improved . in this paper , both the hardware and the software are designed according to the demand of the system . at last , the ct developed in this paper worked well through the experimental test
  结合正常电流测量和短路保护的要求，本文设计并实际制作了硬件电路，为单片机系统编制了功能软件，最后通过整体的实验测试，其结果满足对电网电流的测量和短路保护的要求。
• All - purpose fuse for communication protection is used in the circuit with ac 50hz , rated voltage 250v , dc voltage 170v , rated current up to 150a for the overload and short protection of all kinds of components , power module and the constructed unit device
  Rt26l型通讯保护用熔断器，适用于交流50hz ，额定电压250v ，直流额定电压170v ，额定电流至150a的电路中，作为各类器件电源模块及其所组成的成套装置的过载及短路保护之用。
• This product is perfect for lighting and temperature control and over - current , short - circuit protection systems ; a high - pressure type ring network ( including dual - supply ) , terminal type ; measurement methods are low - voltage or high - pressure measurement , change layout box " goods " , " eye " type , the body or an integrated one
  本产品具有照明及完善的温控及过流、短路保护系统；高压有环网型（包括双电源） 、终端型，计量方式有高压或低压计量，箱变布置有“品” 、 “目”型，分体或一体式。
• It has been verified by simulation tests that the symmetric short - circuit protection can not only avoid the starting current but also achieve higher sensibility ; unbalance protection can distinguish unbalance short - circuit and loss of phase . the operation parameters of other protective functions has all reached the design requirements
  短路保护既能躲过起动电流，又有较高的灵敏度；不平衡保护，能准确区分不对称短路和断相故障；其它保护功能的动作指标均达到了设计要求。
• In order to validate the rationality of study , the rogowski coil was designed and manufactured . the controller based on stc89c51 , including the hardware and the software , are designed according to the measurement and control demand of system . the ct worked well through the experimental test
  本系统根据rogowski线圈测量原理设计制作了罗氏线圈,结合电流测量和短路保护的要求,设计并实际制作了采用单片机stc89c51作为核心控制器的硬件电路,并为单片机系统编制了测控软件,最后通过整体的实验测试,其结果满足对电网电流的测量和短路保护的要求。
• The sieries product is suitable for the system with current 50hz - 60hz and the rated voltage of 3 . 6kv 40 . 5kv . it can be matched with other protective electrical equipment vacuum connection , loading switch etc . . it can also be used as the overload or short circuit protection parts for high voltage motor , transformer , voltage mutual inductance attenuator and other power equipment
  本系列产品适用于交流50hz - 60hz ，额定电压3 . 6kv 40 . 5kv系统，可与其它保护电器如真空接触器，负荷开关等配合使用，作为高压电动机电力变压器电压互感器及其它电力设备的过载或短路保护等元件。