1)  magnetic saturation control
偏磁控制
2)  bias control circuit
偏磁控制电路
3)  flux imbalance
偏磁
1.
Research on the flux imbalance of UPS output transformer;
逆变器输出变压器偏磁现象的研究
2.
Research on avoiding flux imbalance in sine wave inverter;
正弦波逆变电源抗偏磁电路的研究
3.
So flux imbalance is avoided completely.
采用对变压器原边电流脉冲逐个检测,将该电流信号作为反馈信号参与PWM信号生成的方法,从根本上消除了偏磁现象。
4)  magnetic bias
偏磁
1.
The mechanism of magnetic bias exists in power transformerof the single-stage full bridge PFC converter;
单级桥式PFC电路功率变压器偏磁的产生机理分析
2.
A new automatic tuning principle and its application of arc-suppression coil with magnetic bias;
偏磁式消弧线圈自动调谐新原理及应用
3.
A scheme to adijust magnetic bias in bridge converter based on DSP;
一种基于DSP的桥式变换器偏磁校正方案研究
5)  DC bias
直流偏磁
1.
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
2.
The monipolar ground circuit operation mode of HVDC system results in the DC bias of power transformers and current transformers in AC power system.
直流输电系统单极-大地运行方式对交流电网继电保护产生影响的根源在于直流偏磁导致电力变压器谐波以及电流互感器传变特性的变化,基于PSCAD/EMTDC电磁暂态仿真程序对直流偏磁下的变压器谐波特性以及保护用电流互感器传变特性进行了全面的仿真分析,得出相应的变化规律与特点,并以此为基础分析和评估了直流输电系统单极-大地运行方式对交流电网保护的影响。
3.
During monopolar operation of HVDC systems with ground return, a large- scale DC enters into neutrals of transformers, which causes DC bias of transformers.
直流输电系统单极大地回路运行时,直流电流通过变压器中性点流入变压器,造成直流偏磁问题。
6)  DC biasing
直流偏磁
1.
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。
2.
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。
3.
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。
参考词条
补充资料:高偏磁盒式录音磁带
分子式:
CAS号:

性质:即IEC-II型磁带。是指使用钴改性γ-Fe2O3或CrO2磁粉生产的磁带,其矫顽力比IEC-Ⅰ型磁带约高1倍。由于采用了比IEC-Ⅰ型磁带小的均衡时间常数(70μs),其高频噪声电平比I型带约低4dB,高频动态范围大,能再现各种乐器的音色和音域深广的空间。该型磁带有音乐型、高级型和超高级型等3种。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。