Flyback converter is commonly used for off-line power supplies.
反激变换器广泛用于离线式供电电源。
First, a suitable mathematical model for the frequency and tie line power of decentralized control is given.
首先给出一种适于对频率和交换功率进行分散控制的数学模型。
POS can supply more precise mathematical model to analyze the off-line power flow, stability and faults of the power system.
POS提供了更为精确的数学模型来离线分析电力系统的潮流、稳定性和故障。
This paper studies the simulation method of tie line power flow control among areas of an interconnected network in load flow calculation.
本文对潮流计算中互联电网各区域间的联络线功率控制的模拟计算方法进行了研究。
This method not only can analyse real line power flow control and reactive line power flow control separately, but also can analyse them simultaneously.
实例分析表明，本文方法为分析各种潮流控制方式的作用提供了有效的工具。
Two or two-circuit transmission line power supply should be able to automatic switching, self-generating equipment should be installed automatically activated.
两个电源或两回线路应能自动切换，自备发电设备应有自动启动装置。
Power line in operation often needs to elevate the live-line power tower from the original position to a higher position while the surrounding environment has changed.
运行中的电力线路经常会遇到因周围情况发生变化而需对线路铁塔原位带电提升高度的问题。
The present, top-of-the-line POWER 780 can support up to 64 POWER7 cores, which maxes out at 640 partitions.
目前最高端的POWER 780可以支持最多64个POWER 7核，即支持最多640个分区。
Automatic high-speed stranding machines apply for the electronics line, car line, power line, multi-unit copper and PVC core twisted enameled wire strands.
自动高速绞线机适用于电子线、汽车线、电源线、多股铜线及PVC芯线对绞漆包线等绞合。
Automatic high-speed stranding machines apply for the electronics line, car line, power line, multi-unit copper and PVC core twisted enameled wire strands.
自动高速绞线机适用于电子线、汽车线、电源线、多股铜线及PVC芯线对绞漆包线等绞合。
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