Fast identification of asymmetry fault during power swing blocked;
振荡闭锁期间不对称故障的快速识别方法
Study of power swing block criterion based on the changing rate of electric parameters;
基于电气量变化率的振荡闭锁判据
The blocked protective relays should be able to respond to internal fault occurring during power swing blocking state.
为了使振荡闭锁装置能在振荡中再故障时开放保护,就必须能区分振荡与故障,且故障相的单相阻抗继电器在振荡时也应能正确测量阻抗。
In order to avoid the accident caused by the power switch contacts by mistake to turn on when two separate sub-paragraph bus of the mine power supply system works by tier,the interlocking device of mine flameproof high-voltage general entry and contact switch is adopted.
为避免矿井供电系统两个不同母线段分列运行时联络开关误送电造成事故,现采用矿用隔爆型高压总进和联络开关闭锁装置,通过内部的电气闭锁回路能可靠地防止联络开关误操作。
The design of locking device is one of the difficult points in the whole design of mechanism with alternating motion.
锁闭装置的设计是整个往复运动机构设计的一个难点 。
Design of high voltage live displaying and locking devices
高压带电数字显示闭锁装置设计
cam shaft reversing lock
凸轮轴换向闭锁装置
The design and development of high-pressure electrification revealing locking device
高压带电显示闭锁装置的设计与开发
The Principle of Shutting Device to Prevent Mistakes in Microcomputer and Operation Ticket System and Its Operation;
微机防误闭锁装置及操作票系统的原理及应用
Development Review of High Voltage Electriferous Display and Locking Device
高压带电显示及闭锁装置现状及发展前景
Application of Hydraulic Lock in Turbine Blower
液压闭锁装置在汽轮鼓风机组中的应用
Analysis on the Main Problems in Design,Commissioning and Operation for Mis-lockout Prevented Devices
防误闭锁装置设计验收运行中的主要问题分析
Development and Application of Mine Flameproof High-voltage General Entry and Contact Switch Interlocking Device
矿用隔爆型高压总进和联络开关闭锁装置的研制与应用
Analysis of Mechanical Block System for Combined Vacuum Electromagnetic Starter with Multiple Quick Open-door
多个快开门组合真空电磁起动器机械闭锁装置的分析
blocking distance protection equipment
闭锁式距离保护装置
The Exploitation of Control Systemfor Closed-end Hopper in Continuous Reforming Unit;
连续重整装置闭锁料斗控制系统开发
Automatic Connection device's block circuit of reserve power source
备用电源自动投入装置闭锁回路分析
Realization of Anti-mistake Interlocking Function in Substation Measurement and Control Device
全站防误闭锁功能在变电站测控装置中的实现
Realization of blocking function for breaker manually trip in AAT
备用电源自动投入装置手跳闭锁功能的实现
Operator is a self locking worm gear type. Equipped with adjustable stops at open and shut positions.
操作装置是一种自锁定蜗轮类型。具有在开启和关闭等位置进行调节的锁定功能。
A device operated by a key, combination, or keycard and used, as on a door, for holding, closing, or securing.
锁一种用钥匙、暗码锁或钥匙卡操作的装置。装于门上，用以把持、关上或紧闭
a device for locking together two toothed edges by means of a sliding tab.
一种可以通过滑行的手拉垂片来锁闭两条锯齿边的装置。
Selection of Voltage Lockout Releasing Scheme of Failure Protection for Transformer Circuit Breaker
变压器断路器失灵保护装置解除电压闭锁方案的选择
Reliability and Lock of Automatic Back-up Power Supply Device
有关备用电源自投装置的闭锁与可靠性问题的探讨