在无功优化计算中，由于严格的节点电压限制、网络拓扑的变化或无功电源的不足等多种原因可能会导致原问题不存在最优解。
In reactive power optimization, the solution infeasibility may arise due to a variety of reasons such as restrictive voltage limits, change in network topology, and shortage of reactive power sources.
由于遗传算法的计算速度难以满足实时电压控制的要求，本文进行了基于原-对偶内点法的无功优化算法的研究。
Reactive power optimization based on interior point method is studied in this thesis as that GA's calculation speed can not satisfy the requirement of real time voltage control.
本装置采用专用芯片，实现多种电压等级全范围等精度测量，同时输入阻抗高，不影响原车的绝缘状况；
It use special chip to realize full-range and equal observations for different voltage rate, without additional insulation faults for high input impedance .
我们原想测量电压，但没有成功。
通过对单机。动态负荷模型添加无功功率动态补偿装置，可以改变原系统的分岔点，增加了负荷极限，从而提高了系统电压稳定性。
Through the single-dynamic load model dynamic reactive power compensation device can change the original system bifurcation point, increase the load limits and improve the system voltage stability.
该分布式电源系统采用高频母线形式，原边电路采用双管正激电路，电压前馈控制，后级利用磁放大器精确控制。
The primary circuit has the form of double switch forward of feedforward control, the second circuit used the magnetic amplifier as the post regulator.
它可使原边所有的开关管零电压导通、副边的整流管零电流关断，因而可实现极高的转换效率。
In resonant converter all switches are working on the ZVS and the secondary diodes are working on the ZCS, so we can achieve high efficiency.
本实用新型公开了一种电能质量调节器，它包括原边电压变换器、高 频变压器和副边电压变换器。
The utility model discloses an electric energy quality regulator, comprising an original edging voltage changer, a high-frequency transformer and an auxiliary edging voltage changer.
结果表明：变压器层间电压分布随时间变化，且与电路外部参数如失谐、原边电容电压等存在关系。
The results show that the voltage distribution varies with time, and it is influenced by circuit extrinsic parameters such as circuit mismatch, primary capacitor voltage, etc.
所述三相多副边绕组变压器的原边直接或通过高压开关与三相电网的电压输出端相连；
The primary side of the three-phase secondary line winding transformer is directly connected with the voltage output end of the three phase network;
适当增大逆变器输出滤波电感，合理选择串联变压器原副方变比，或采用电压前馈控制技术为改善其滤波效果的三条有效措施。
Then, the filtering characteristic of the active power filter is analyzed. Three measures which can improve the filtering effect are gained: augmenting the filtering inductance properly;
适当增大逆变器输出滤波电感，合理选择串联变压器原副方变比，或采用电压前馈控制技术为改善其滤波效果的三条有效措施。
Then, the filtering characteristic of the active power filter is analyzed. Three measures which can improve the filtering effect are gained: augmenting the filtering inductance properly;
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