Power flow distribution is calculated by DC power flow method, and then whether the transmission capacity is overload is judged and treated.
应用直流潮流算法计算潮流分布,判断输电线路传输容量是否越限并进行相应处理。
The design method of DC motor driving power and rotational speed measuring system is introduced in this paper, and the corresponding electronic circuit and software flow are also given.
介绍了一种直流电机驱动电源和转速测量系统设计方法,并给出了相应的电子电路和软件流程。
The DC interconnection has the ability to respond rapidly to generator speed signals and increase or decrease the power flow as needed to dampen the transient oscillations.
直流联网对发电机速度信号具有迅速作出响应的能力并按需要提高和降低潮流以阻尼暂态振荡。
AC network with DC network are also combined in a AC-DC iterative power flow calculation program through the detailed model of 24-pulse bridge rectifier.
通过对24脉波换流站进行精确建模,将换流站两侧的直流网络和交流网络联系起来,运用交直流潮流迭代计算的方法计算地铁供电网络的潮流分布。
The DC transmission power flow can be modulated to dampen the oscillations and increase their power-carrying capability.
直流输电的潮流可被调制以阻尼振荡并提高功率承载能力。
At the same time, about the problems of this system, such as system halt, 24V DC power supply and the override of main blow flow low and so on, the improvement suggestion and preventio…
同时针对系统出现的问题,如系统死机、24VDC电源、主风低流量信号切除等问题提出了规避措施和改进方案。
Taking account of the voltage floating of the DC side of Unified Power Flow Controller in working process, a dynamic SPWM method is proposed, to promote the accuracy of the output of the inverter.
针对统一潮流控制器在逆变变换过程中所具有的直流侧电压不断波动的特点,提出了动态SPWM方法,以克服逆变电源的直流电压波动对SPWM法的逆变输出的精确性所造成的影响。
Taking account of the voltage floating of the DC side of Unified Power Flow Controller in working process, a dynamic SPWM method is proposed, to promote the accuracy of the output of the inverter.
针对统一潮流控制器在逆变变换过程中所具有的直流侧电压不断波动的特点,提出了动态SPWM方法,以克服逆变电源的直流电压波动对SPWM法的逆变输出的精确性所造成的影响。
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