The paper puts forward the mechanism of combined waveform and computation of a SPWM area center equivalent. Harmonic of double pole SPWM waveform is analyzed in this paper.
文中给出了按照面积中心等效法合成SPWM波形的机理以及面积中心等效算法，并对双极性面积中心等效法生成的SPWM波形进行了谐波分析。
The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability.
仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧短路故障时，不会给系统带来稳定问题。
Low power fast CMOS analog switch. Double pole, single throw (DPST).
低功耗快速CMOS模拟开关。双单刀单掷(DPST)。
There are 2 operation modes for DC transmission system:single pole operation and double-pole operation.
直流输电系统主要有2种运行方式：单极运行方式和双极运行方式。
The utility model discloses a pair of double-pole operating forceps for a thoracoscope and an abdominoscope.
本实用新型公开了一种胸腹腔镜双极手术钳。
Then the methods of how to compensate the error amplifier is introduced, a double-zero, double-pole construction is analyzed individually.
引入了误差放大器的频率补偿的方法，并着重分析了双零点、双极点的补偿电路。
Represents a double-pole, double-throw switch. Right, left, and open positions can be specified.
表示双刀双掷开关。可指定右、左和断开位置。
The configuration of double-pole induced-excitation with cross-connected rotor field coils can obviously increase the mmf transfer coefficient of DPIE synchronous generator.
转子绕组交叉连接倍极感应励磁新结构可显著提高倍极感应励磁同步发电机的磁势感应系数。
In this paper, a new configuration of double-pole induced excitation with mixed connected rotor winding is proposed, the analytic expression of field current is also derived.
提出一种转子绕组混联的倍极感应励磁新结构，导出了转子励磁电流的解析表达式。
Represents a double-pole, single-throw switch. Open and closed positions can be specified.
表示双刀单掷开关。可指定断开和闭合位置。
Represents a double-pole, single-throw switch. Right-click for open and closed positions.
表示双刀单掷开关。右击指定断开或闭合位置。
Represents a double-pole, single-throw switch. Right-click for open and closed positions.
表示双刀单掷开关。右击指定断开或闭合位置。
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