In this paper, principle of the direct current control and DC voltage error method used in VSC based HVDC system is analyzed.
文中首先分析了在电压源型直流输电系统中直接电流控制和直流电压偏差控制的工作原理,然后提出了在电压源型多端直流输电系统中采用基于直流电压偏差控制的多点直流电压控制策略。
The dielectric nonlinearity of the PMN-PZN-PT relaxor ferroelectric ceramics under DC bias was investigated.
在一定温度范围内，对PMN－PZN－PT系弛豫铁电陶瓷直流偏压下的介电非线性进行了研究。
The DC bias field dependence characteristics of the PMN-PZN-PT relaxor ferroelectric ceramics were investigated.
对PMN－PZN－PT系弛豫铁电陶瓷的直流偏压特性进行了研究，直流偏压使介电常数的最大值εmax下降，介电常数最大值对应的温度Tmax升高，频率色散受到压抑。
The transformer isolates the transistors with regard to d-c bias voltage.
变压器可在两个晶体管之间隔离直流偏压。
DIELECTRIC PROPERTIES OF THE IONIC CONDUCTOR SINGLE CRYSTALS UNDER THE ACTION OF A DC FIELD
离子导体在直流偏压作用下的介电特性
Characteristics of the direct current bias voltage and export light power of external modulator
外调制器直流偏压与输出光功率特性分析
Effect of DC bias on pressure-induced depolarization of Pb(Nb,Zr,Sn,Ti)O_3 ceramics
直流偏压对压力诱导反铁电陶瓷去极化性能的影响
AC current or voltage source. DC offset can be specified.
交流电流源或电压源。可指定直流偏移。
Research for Direct-current Magnetic Bias of Large Converter Transformer;
大型换流变压器直流偏磁问题的研究
Calculation and study for three-phase DC bias of converter transformer
换流变压器三相直流偏磁的计算研究
hold-off rectifier
直耦放大器的偏压整流器
Research on the DC Bias Phenomena of Large Power Transformers
大型电力变压器直流偏磁现象的研究
Research of DC Magnetic Bias on 500kV Auto-transformer;
500kV自耦变压器直流偏磁的仿真研究
The Field-circuit Coupled Solution on DC Magnetic Biasing of Transformer;
变压器直流偏磁问题的场路耦合算法
Transformer Biasing Analysis and Limitation in Taishan Power Plant
台山电厂变压器直流偏磁研究与防治
Research on DC-biasing in HVDC Power Transmission;
高压直流输电过程中变压器直流偏磁现象的研究
Development of the DC Current Blocking Device in Capacitor-resistor for Transformer
变压器直流偏磁电流阻容抑制装置的开发应用
Studies on DC Magnetic Biasing of Transformer Aroused by HVDC and Geomagnetic Storm;
直流输电及磁暴引起的变压器直流偏磁问题的研究
Research on Dc Biased Transformers Caused by HVDC or Geomagnetic Storm;
直流输电和磁暴引起变压器直流偏磁的相关研究
Research on the Method of Vibration and Noise Monitoring of DC Bias on Transformer;
变压器直流偏磁引起的振动噪声监测方法研究
A New Method to Restrain Direct Current Bias of Transformer
一种抑制变压器直流偏磁现象的新方法
