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- fast transient current 快速暂态电流
- The new inductors handle high transient current spikes without hard saturation. 这些新型电感器可在未硬饱和的情况下处理高暂态电流峰值。
- In order to eliminate the transient current and ensure the test precision, this paper introduces the principle and the method of phase selection of the AC based on FFT(Fast Fourier Transform Algorithm) . 为了消除暂态电流,本文阐述了一种基于快速傅立叶变换(FFT)的交流选相合闸技术的原理以及实现方法,保证了检测精度。
- Multifunction of testing voltage value, current value, RF value and transient current strength. 多用途测试电压值,电流值,射频值及瞬变电流强度等。
- However, very fast transient(VFT) process can be produced, during the operating of disconnector switch, earth switch and circuit breaker. 但是,在隔离开关、接地开关和断路器的动作过程中,会出现快速暂态过程。
- BIST has been applied into transient current testing as an effective method to reduce testing spending. 内建自测试(BIST)是一种有效降低测试开销的技术,在瞬态电流测试中得到了应用。
- Very Fast Transient Over-voltages (VFTO) in GIS are generated during the operations of a circuit breaker and a disconnector. GIS中断路器和隔离开关操作会产生快速暂态过电压(VFTO)。
- For the tweeter we have choosen a silk-made soft dome driver.This driver has good qualities, such as fast transient response and a very smooth frequency response. 高音单元采用优质丝膜软球顶驱动器,瞬时响应速度快,频率响应非常平坦。
- Finally, the experimental results validate the advantages of the proposed circuits with fast transient response, less output-voltage ripple and low output-voltage spike. 最后,以实验结果来验证本文所提出电路具有快速的暂态响应、较小的输出电压涟波及较低的输出电压突波。
- According as the character of EHV transmission line fault transient current, based on the time and frequency localization character of wavelet transform. 基于超高压 (EHV)输电线路故障暂态电流的特点和暂态保护的基本原理 ,充分利用小波分析的时频局部化特点 ,建立了基于小波分析的暂态保护启动判据和跳闸判据。
- For the tweeter we have chosen a silk-made soft dome driver.This driver has good qualities, such as a fast transient response and a very smooth frequency response. 高音单元采用优质丝膜软球顶驱动器,瞬时响应速度快,频率响应非常平坦。
- The relative situation of the fault can be distinguished by the transient current modular maximum polarity comparison from all the emanating line of a single bus. 当故障发生后,对母线所有出线的暂态电流模量的模极大值进行极性比较就可以判别故障发生的相对位置。
- For the tweeter we have choosen a silk-made soft dome driver.This driver have good qualities, such as a fast transient response and a very smooth frequency response. 高音单元采用优质丝膜软球顶驱动器,瞬时响应速度快,频率响应非常平坦。
- MIAO You-zhong,SUN Ya-ming,YANG Hua.A new principle of transient current grounded relay for feeder in ungrounded distribution systems[J].Proceedings of the CSEE,2004,24(2):28-32. [3]苗友忠;孙雅明;杨华.;中性点不接地配电系统馈线单相接地故障的暂态电流保护新原理[J]
- In order to obtain the fault information,the transient current signal is split into M bands using parallel multi-rate filter banks,and the energy of every band is computed. 为了提取故障信息,先用平行结构的多速率滤波器组,将故障暂态电流信号并行分割为M个窄带信号,然后算出各窄带分量的能量。
- The signals within SFB have well defined characteristics and contain most energy of zero modal transient current, which can ensure the reliability and sensitivity of detection. 该特征频段界限明确、且包含了暂态信号的主要能量,可保证检测可靠性和灵敏度。
- Electrical Fast Transient (EFT) generator is one of the testing equipments for electromagnetic compatibility, that simulates interference produced by switching of little inductive load, contact bounce of relay or switching of high-tension switchgear. 电快速瞬变脉冲群发生器是用于电磁兼容抗扰度试验的设备,目的是用以模拟小感性负载的切换、继电器触点跳动或高压开关装置的切换而产生的干扰信号。
- The result of study shows the SR-QSW-BUCK converter adopted interleaving and magnetic integrated techniques achieves high efficiency, low volume, fast transient response, and satisfies severe performance requirements of VRM. 研究结果表明:采用磁集成技术的交错并联SR-QSW-BUCK拓扑具有效率高、体积小、瞬态响应速度快的特点,可以满足VRM的严格性能指标要求。
- It is very important equipment for electrical fast transient (EFT) testing and has become the important tool in the electromagnetic compatibility design of the products with national compulsory certification put in practice. 它作为电瞬变脉冲群抗扰度试验的主要设备,随着国家强制认证标准的实施,已成为检测产品电磁兼容性设计中的重要工具。
- This new two dimensional surface states model explains the origin of surface states and the contradiction between deep surface levels and the low activation energy of a transient current. 用该态模型解释了氮化物产生高密度表面态的原因和深表面能级与较浅的瞬态电流激活能间的矛盾。