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- Research on effects of relaying protection and under frequency and under voltage load shedding in probabilistic stability 概率稳定中继电保护和低频低压减载影响的研究
- under voltage load shedding 低压减载
- low frequency and low voltage load shedding 低频低压减载
- frequency and low voltage load shedding 低频低压减载
- Undervoltage load shedding is one of the important means to prevent power system voltage instability. 低压减载是解决电力系统电压失稳的重要手段之一。
- With the perfect protection functions in over voltage, under voltage, over heat, over current, over load, safe and reliable. 具有完善的过压,欠压,过热,过流,过载自动保护功能,安全可靠。
- WECC Reactive Power Reserve Work Group. Voltage stability criteria,undervoltage load shedding strategy, and reactive power reserve monitoring methodology[R]. May, 1998. 余贻鑫;王成山.;电力系统稳定性理论与方法[M]
- We address several load shedding techniques over sliding window joins. 数据流滑动窗口连接的卸载技术研究。
- Internal circuit protection includes thermal shutdown with hysteresis, under voltage lockout, locked rotor and dead time protection. 内部电路保护包括因滞后引起的过热关机、欠压锁定、转子锁定以及停机时间保护。
- While L1, L2 and L3 phases are over or under voltage, the yellow light is lighted with the unlighted green light and the released relay. L3三相过压或欠压时,黄灯亮,绿灯不亮,继电器释放;
- The power cuts and load shedding in Sandakan town is getting more serious nowadays. 目前该处的停电和电力负荷问题越来越严重。
- Under voltage protection: It means the voltage of the protected circuit is lower than set value. In this case, the yellow indicator light will be lighted. 欠压保护:指被保护线路电压低于设定值。指示灯形式为:黄灯亮;
- In the open power market the load shedding is one way to emergently control the electric price. 在开放的电力市场中,切负荷是紧急控制电价的一种手段,在研究切负荷的同时需要考虑电价和负荷这2个因素。
- The Device has integrated over-current protection,over-temperature protection and UVLO (Under Voltage Lockout) to provide for a fail safe solution with no external components. 这个器件集成了过流保护、过温保护和U掉压关断的功能,可以不需外转器件实现保护解决方案。
- Counter-measures are reactive compensation,transformer tap emergency control,generation rescheduling,load shedding,and so on. 可通过无功补偿、变压器分接头紧急控制、发电计划重新安排、切负荷等措施进行电压稳定控制。
- This paper pays more attention to analyze the accidental conditions of the USB system, and the circuit can detect the overcurrent condition and realize the overcurrent protection, under voltage lockout and over temperature protection. 并针对usb系统工作时可能出现的意外情况 ,通过限流开关内部电路实现过流检测、过流保护、欠压锁定和过热保护功能。
- Whole protection(short circuit protection,over current protection,over voltage protection,under voltage protection,polarity confusion protection,anti-islanding protection,thunder protection). 具有完善得保护功能(过压、欠压、过流、短路、反接、防孤岛效应、防雷等保护措施)。
- UFLS and UVLS are treat as multi stage control actions, and the total cost of load shedding is taken as the objective function.Based on the proposed security margins of transient frequ... 给出了其减载量优化问题的数学描述,以减载代价最小为目标函数,把低频和低压减载控制作为多级控制序列。
- The optimal emergency generator tripping and load shedding measures based on corrected transient energy function (CTEF) method are proposed in this paper which aim to prevent cascading outages. 研究了基于修正的暂态能量函数的最佳切机和切负荷计算新方法。