Current of N bridge is large and total harmonic distortion of the output voltage is big when load is unbalance.
对无中线电感的基于开关点预置四桥臂三相逆变器进行仿真研究,发现N桥臂在不平衡负载时流过很大的电流,且输出电压波形总谐波含量大,因此,提出在主电路中引入中线电感。
98 and total harmonics distortion(THD)of 20%.
98,并将总谐波失真降至20%以下。
4 V or 18 V power supply and 4 Ω load,the output efficiency was up to 35 %,and the total harmonic distortion was 0.
4 V或18V的电源电压下驱动4Ω负载,满摆幅输出功率可分别达到25 W和40 W以上;1 kHz频率下输出功率18 W时,输出效率达到35%,总谐波失真为0。
CS3301 is a operational amplifier with difference input ,difference output and programmable gain , which has many advantages such as high accuracy , low noise, super low total harmonic distortion.
本文介绍了低噪声、极小的总谐波失真率、增益可编程运算放大器CS3301 在微弱信号检测系统中的应用。
A precision PFC/THD instrument for control of high performance boost active power factor correction (APFC) circuits operating at a fixed frequency in continuous conduction mode (CCM) is presented.
99以上,并将总谐波失真降至10%以下。
Influence of Adding Equipment to the Generator 3rd Harmonics Voltage Comparison-like Stator Ground Protection
新增设备对发电机三次谐波比较式定子接地保护的影响
A Comparison of Application to Harmonic Analysis by Wavelet Transform and Fourier Transform
小波变换与傅立叶变换在谐波分析中应用比较
Comparison between Harmonic Frequency Spectrum VSR and TSR
频谱谐波时效技术与热时效的比较研究
Analysis and Comparison of Harmonic Wave Filter Method in Electric Power Frequency Communication
工频电力通信中谐波滤除方法的分析和比较
Comparison Research on Integral Method and Low Pass Filter Method of Harmonic Current Detection for APF
APF谐波电流检测的积分法与低通滤波法的比较研究
sonic comparator
声波比较[比长]仪
Some of the more common sources of these harmonics are:
较普遍的谐波源有：
Research on Two Methods for Harmonic Elimination of ChangAn LingMu Company s Distribution;
长安铃木公司配电系统谐波治理两种方案比较的研究
Comparison Research on Two Harmonic Current Detection Methods of Single-phase Circuit Based on Instantaneous Power Theory
两种基于瞬时功率理论的单相电路谐波电流检测方法的比较研究
The effect of 4-order Convolution window, Nuttall window, Blackman-Harris window and 4-term Class Ⅲ Rife-Vincent window on the errors of harmonic parameters estimation is compared by simulations.
通过数值模拟,比较了四阶卷积窗与其它四项组合余弦窗对谐波参量反演误差的影响。
The harmonic number of the spike emission is confirmed by the comparison of the diagnosis with the typical parameters in solar corona.
最后从诊断结果和太阳日冕典型参数的比较以确定尖峰辐射的谐波数。
Some colors contrast and some harmonize.
有些色彩对比鲜明，有些则比较和谐。
phase comparison carrier relay
相位比较式载波继电器
directional comparison microwave relay
方向比较微波继电器
directional comparison carrier relay
方向比较载波继电器
Relation between short-circuit-ratio and single-tuned filter performance
单调谐滤波器的滤波特性与短路比的关系
A Comparison of Views on Harmony in the Aesthetic Thought of Confucianism and Taoism in the Pre-Qin Dynasty
先秦儒道美学思想中的“和谐”观比较
Comparison and Study on Notes of Yuewei Cottage and Xinqixie;
《阅微草堂笔记》与《新齐谐》的比较研究