DC bias

用法例句

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

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

Study of vibration of transformers under DC bias

变压器直流偏磁的振动特性研究

Influence of DC magnetic bias on excitation current of transformer;

直流偏磁对换流变压器励磁电流的影响

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。

HVDC from Tianshengqiao power station to Guangzhou and that from Three Gorges power station to Changzhou, the DC magnetic bias of large capacity power transformers occurs under monopole operation mode with earth return.

我国天(生桥)—广(州)、三(峡)—常(州)等直流工程单极大地回路运行时均出现了直流偏磁问题,只在电流超标的变压器中性点安装抑制装置不能从根本上解决该问题。

DC biasing can cause transformers noise increasing,vibration intensified,local overheating and even damaged.

直流偏磁会导致变压器噪音增大、振动加剧,可能引起变压器局部过热甚至损坏。

The enormous ground return current caused by HVDC (high voltage direct current) system s mono-pole ground return operation mode will result in the main transformer DC biasing at the substations near the ground electrode, thus it has disadvantageous effect on AC (alternative current) system.

高压直流输电系统单极大地回线方式运行时,巨大的入地电流将会使接地极附近的变电站主变压器产生直流偏磁,对交流系统造成不利影响。

The mechanism of DC biasing for output transformer of SPWM switching converter was analyzed.

分析了SPWM开关型变换器中输出变压器产生直流偏磁的机理。

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

While the HVDC run in monopole to ground operation, Current in the earth make the transformer that have different potential bring DC magnetic biasing.

因此,变压器直流偏磁问题是需要研究的课题。

It is studied that the power transformers’DC magnetic biasing in this dissertation.

本文结合电力变压器的直流偏磁运行情况,进行了研究,电力系统变压器直流偏磁问题是十分复杂的问题,这一研究涉及电力系统的简化、三维非线性电磁场的数值计算问题。

Experimental studies and calculations of the exciting current in the transformer under DC bias magnetization;

直流偏磁下变压器励磁电流的实验研究及计算

The phenomenon of direct current components of flux and exciting current arising in a power transformer is called DC bias magnetization.

造成振动的直接原因就是变压器的直流偏磁现象。

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

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

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

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

Abstract: Powder core has high saturation flux density and excellent motion linearity of DC bias.

磁粉心具有较高的饱和磁通密度和较好的直流偏磁动态线性。

B-H Curve Based on Core and Asymmetric Magnetizing Current in DC-Biased Transformers

直流偏磁条件下电力变压器铁心B-H曲线及非对称励磁电流

Inspection, Analysis and Restraining of DC Transmission on Power Grid Equipment

电网设备直流偏磁影响检测分析与抑制

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

Restraining of DC Bias Transformer Magnetization in Solar Energy Grid Inverter

太阳能并网逆变电源变压器直流偏磁的抑制

Optimized Network Configuration of Small Resistances to Limit DC Bias Current of Transformers

变压器接小电阻抑制直流偏磁的网络优化配置

Analysis and Reformation on DC Bias in Main Transformer of Guohua Taishan Power Plant

国华台山发电厂主变直流偏磁问题分析与治理

Study on the Influence of DC Biased Power Transformers

直流偏磁对电力变压器影响的实验与仿真计算