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A Nonlinear Adaptive Filter for Online Signal
- This paper presents various applications of a nonlinear adaptive notch filter which operates based on the concept of an enhanced phase-locked loop (PLL). Applications of the filter for online signal analysis for power systems protection, control a
DynamicPowerQualityTestingTechnology
- 本文首先介绍了有源电力滤波器的基本结构和工作原理，并对一些常规的谐波电流检测方法的优缺点进行了比较。其次，针对传统的谐波电流检测方法的缺陷，提出将神经网络与基于噪声抵消原理的自适应谐波检测相结合，利用径向基函数运算量小、收敛快、无局部极小值等优点，构造了一种基于径向基函数神经网络的谐波电流检测方法，仿真结果表明该检测方法具有很好的动态响应及畸变电流检测精度。最后，设计了一套实验系统，对本文所采用的系统方案进行了实验验证。仿真表明，本文所采用的有源电力滤波器检测系统方案切实可行，能够较好地实现动态
msp430f149dpj
- 利用MSPd30F149 单片机和AIM21电流环芯片，通过简单的压频转换(多谐振荡器)电路实现了基于电客式差压 传感器的智能差压变送器设计。该设计的特点是利用压频转换电路取代了A／D模块，以极低的产品价格达到了较高的 系统测量精度。采用软件与硬件相结合的信号处理技术，实现了基于HART协议现场总线技术的差压模拟量的测量，通 过进一步采用CPLD器件的量化延时测频技术，将可以达到比传统A／D器件更高的压力测量精度。智能差压变送器；HART协议现场总线；MSP430F149；AIM21
yanjiu
- 基于谐波电流快速检测方法的并联型有源电力滤波器设计。用于毕业设计-Harmonic Current Detection Method Based Shunt Active Power Filter. For graduation
xiebo
- 基于谐波电流快速检测方法的并联型有源电力滤波器设计 不错的 可以做毕业设计-Harmonic Current Detection Method Based Shunt Active Power Filter can do a good graduation
sanxiang
- 基于谐波电流快速检测方法的并联型有源电力滤波器设计 毕业设计首选-Harmonic Current Detection Method Based Shunt Active Power Filter preferred Graduation
activefilter
- shunt active power filters are used for harmonic compensation in current and reactive power compensation in power system networks. sliding mode control is one of the control strategy used for this.
Real-time-detection-of-negative
- 同相牵引供电系统旨在实现电能质量的综合补偿。提出了一种基于同步坐标变换的电流检测方法，能实时准确地检测 出负载电流的基波正序有功分量、基波正序无功分量、基波负序分量以及谐波分量，为综合补偿提供了基础。电能质量的补 偿力度与设备容量之间存在非线性关系。提出补偿度的概念，并给出补偿度与电能质量参数的关系，通过给定电能质量期望 参数，实时调整负序、谐波以及无功补偿度，使得综合潮流控制器容量在各电能质量补偿参数之间得到实时优化配置，从而 实现同相供电系统容量优化满意补偿。理论推导和仿真结
211-herrera
- Article_herra Distorted voltage and current waveforms is one of the problems associated to electric power quality. Continuous use of non-linear loads provokes the existence of voltage waveforms with a high distortion. Thus, it is necessary to k
05625409_pulse_rectifier
- PECTRUM of the input current drawn by the electric drive from the network is affected by the used type of the input rectifier. In the case of the diode rectifier, the number of its pulses is decisive. Standard AC adjustable speed drives utili
compensation-of-dead-time
- 交流伺服系统中的死区效应分析与补偿分析了逆变器的死区效应产生的原因及其对交流伺服系统控制性能产生的影响,指出死区补偿的关键 在于电流相位的获取,为了克服实际系统中电流零点的模糊性,提出了一种基于两相静止坐标系下的前馈死 区补偿方法. 该方法通过对三相输出电流一个周期内补偿电压进行傅里叶变换,发现仅需补偿1 ,5 ,7 次谐波 分量即可消除死区效应. 仿真和试验结果验证了这种方法的正确性和可行性.-AC servo system analysis and compensation of
1-s2.0-S0960148111005994-main_3
- This paper presents harmonic and reactive power compensation based on a generalized theory of instantaneous reactive power for three-phase power systems. This new theory gives a generalized definition of instantaneous reactive power,which is valid
00988679
- This paper presents a fully-digital-controlled shunt active filter for harmonic termination of a power distribution system. The main purpose of the active filter based on voltage detection is not to compensate for current harmonics but to damp
00897012
- Passive filter and active filter are two ahnative strategi- es to suppress harmonics in the electrical distribution system. Pas- sive filter is dc and efficient but it may cause the resonimce problem. Active film has become a mature tecblogy
ip_iq_zhihuan
- ip-iq检测法配合滞环控制法来检测谐波电流的仿真图形-ip-iq detection with hysteresis control method to detect the harmonic current simulation graphics
FBD
- 为了更好地进行谐波和无功功率的补偿与控制，叶FBD(Fryze一Buchholz一DPenbrock)法的定 义进行了完善，并给出了补偿电流检测的直接法和间接法，在三相电力系统中对FBD间接法进行 了推广研究，利用参考电压进行投影变换，不仅可以检测出功率电流和零功率电流，还可以检测出 基波有功电流、基波无功电流、谐波电流以及任意次谐波电流等，大大拓展了FBD法的应用范围和领域。MATI一AB仿真和实验结果表明了所定义和推广的电流检测方法的正确性和有效性。 -In order to
eye2
- Non-linear and impact load produce harmonic current and reactive current, and will bring great pressure to the public grid power quality.
HYBRIDP-ARALLELA-CTIVEF-ILTERS-YSTEM
- This paper presents a hybrid parallel active filter scheme using small rated square-wave inverters for supply line harmonic current reduction for high power non-linear loads in the range of 1 - 50 MW to meet IEEE 519 harmonic standards.
2
- Active DC-link Capacitor Harmonic Current Reduction in Two-Level Back-to-Back Converter
A-Transient-Harmonic-Current-Protection_Scheme-fo
- Based on the boundary characteristic of a dc transmission line, the response of transient harmonic current in the line-commutated converter HVDC transmission system is analyzed under various fault conditions in this paper. A new transient har