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- The authors research such existing technical problems as electromagnetic environment, over-voltage and insulation coordination, DC magnetic bias, control and protection system, stability of hybrid UHVAC/DC power grid. 讨论了我国±800kV特高压直流输电工程的电磁环境、过电压与绝缘配合、直流偏磁、控制保护系统、特高压交直流混合电网的稳定性等方面存在的技术问题。
- DC magnetic bias blocking device 直流偏磁抑制装置
- KEYWORDS: HVDC transmission; current of ground electrode; power transformer; DC magnetic biasing; noise. 关键词：高压直流输电；接地极地电流；电力变压器；直流偏磁；噪声。
- DC Magnetic Bias Induced Current Effects on Transformer and Restricting Methods 变压器直流偏磁的仿真研究及限制措施
- DC magnetic bias restraining measures and site selection for ground electrodes; 直流偏磁抑制措施和接地极选址;
- This paper presents a measuring method of AC hysteresis loop with DC magnetic biasing by using double Epstein frame and computer to detect the current of primary side and secondary side of Epstein. 提出了利用双爱波斯坦方圈装置通过计算机对爱波斯坦方圈的原边电流和副边电压进行测量,得到具有不同直流偏磁时的软磁材料交流磁滞回线的一种具体方法,通过此方法可方便而准确的获取具有直流偏磁时的交流磁滞回线。
- Optimized Grounding Resistance Configuration against DC Magnetic Bias of Large Capacity Power Transformer 用于抑制大型电力变压器直流偏磁的接地电阻优化配置
- Simulation of transformer DC magnetic biasing 变压器直流偏磁的原理性仿真
- DC magnetic bias 直流偏磁
- Harmonic analysis and tackling of transformer under DC magnetic biasing 变压器发生直流偏磁时的谐波分析和治理
- The Transformer DC Magnetic Biasing in Guangdong Power Grid and its Measures 广东电网变压器直流偏磁问题及其抑制措施
- Keywords DC transmission;Harmonic;DC magnetic biasing;Transformer;Current Transformer;Relay Protection;Grounding network; 直流偏磁;谐波;变压器;互感器;继电保护;接地网;
- Our models show strong magnetoelectric effect when the magnetic bias is around 500Oe. 磁偏压约500Oe 时，模型表现出的磁电效应最强。
- According to operating principle of the magnetic bias ASC,the control method of magnetic bias ASC is decided. 依据偏磁式消弧线圈的工作原理，确定了偏磁式消弧线圈的控制方法。
- The fully digital control system of the arc-suppression coil with magnetic bias is studied in this theis . 本文所研究的内容是偏磁式消弧线圈的全数字化控制系统。
- direct current (DC) magnetic bias 直流偏磁
- Based on the analysis of traditional anti-signa l direction magnetic bias metherds,a new circuit of anti-signal directional mag netic bias is proposed. 在对传统抗偏磁方法进行分析的基础上提出一种新型抗偏磁电路。
- dc magnetic biasing 直流偏磁
- According to tuning theory and control method of the magnetic bias ASC, the fully digital controller of the magnetic bias ASC is implemented. 根据偏磁式消弧线圈的调谐原理和控制方法，深入研究了偏磁式消弧线圈的全数字化控制器。
- This method needs only a DC magnetic field for expanding and erasing the magnetic domains and RE(Rare-Earth)-rich GdFeCo was used for readout layer. 该技术是将记录层的微小磁畴扩大复印到读出层,可防止微小磁畴中的信号降低,实现高分辨率的读出。
