无交流电压传感器并网逆变器的直接功率控制方法，属于电能变换领域。
The invention provides a method for controlling direct power of a grid-connected inverter without any non-AC voltage sensor and belongs to the field of electric energy transformation.
为了提高整流器的动态性能，本文采用三电平PWM整流器直接功率控制策略。
To improve the dynamic performance of the rectifier, this paper presents three-level PWM rectifier direct power control strategy.
采用滞环比较器的直接功率控制系统的开关频率不固定，是实用化过程中需要解决的一个技术问题。
The switch frequency of the direct power control system using hysteresis comparator is not fixed, which is a technical issue in practical needing be solved.
介绍了三相电压型PWM整流器直接功率控制(DPC)系统的组成与原理，分析了开关表的形成机理。
The article introduces the direct power control (DPC) principle and constitution for three-phase boost - type PWM rectifiers and analyses switching table.
通过对传统直接功率控制的分析，推导出一个新的开关表，可以显著地改进PWM整流器的无功功率控制性能。
Through analysis of classical DPC, a new switch table can be deduced which promote the efficiency of reactive power control of PWM rectifier.
通过直接调节四象限变流器控制电压的幅值和相角，达到稳定输出电压和输入功率因数的目的。
Stable output voltage and input power factor is available by direct adjustment of the amplitude and phase angles of the control voltage for 4qs converter.
对一些无功变化迅速的负荷，则给出直接以无功功率做控制量的简单模型。
And introduced the simple model direct on reactive power to some load where the reactive power changed rapidly.
主要论述了基于四电平功率变换电路的开关磁阻电机直接瞬时转矩控制。
In this paper, a direct instantaneous torque control (DITC) of switched reluctance motor (SRM) with a four-level converter is presented.
仿真研究表明，提出的算法在平均节点度和传输功率的效率方面均优于基于直接传输区域的拓扑控制算法。
Simulation results show that the proposed algorithm has advantages over the topology control algorithm based on the direct-transmission region in terms of average node degree and power efficiency.
基于电压源逆变器（V S I）的静止无功发生器（SVG）直接应用PWM控制技术，具有结构紧凑、易于控制、谐波含量小以及功率密度大等优点。
VSI-based SVG using PWM technology has some advantages such as compact structure, simple control, little harmonics and high power density.
高性能的数字信号处理器TMS320LF2407、高功率密度的永磁同步电机和先进的直接转矩控制技术的组合，能很好地完成对电动汽车的驱动。
The combination of advanced technology through high performance digital signal processor (DSP) TMS320LF2407 with PMSM of high power density and DTC can perform a drive for EV.
在不同的光伏电池运行点采用不同的跟踪方法，通过直接控制直流斩波器开关占空比以达到快速准确的功率跟踪效果。
Different tracking approaches are applied at different operating points and the duty cycle of DC chopper is directly controlled to achieve the optimum control results.
介绍了一种永磁无刷直流电机控制系统的设计方案，主要涉及速度闭环和功率模块驱动的硬件电路设计；并通过实验证明该设计可直接用于小型无刷直流电机的控制。
This article presents a design of permanent magnetic brushless DC motor control system and mainly involves the hardware circuit design of speed closed loop and power module drive.
为寻求性能优良、容易实现的配电静止同步补偿器(DSTATCOM)的电压控制策略，根据DSTATCOM系统中的瞬时功率平衡理论，推导出了DSTATCOM用于控制电压时的直接电压控制策略。
Based on the balance of the instantaneous power of the distribution static synchronous compensator (DSTATCOM) system the direct output voltage control strategy for voltage control is proposed.
本课题拟设计一种太阳能功率变换器模块及其并联控制方案，在实际应用过程中，可通过直接增减并联在母线上的模块数来扩展整个供电系统的功率。
In this paper, design a common solar cell converter module, which can be directly in parallel on bus to improve the entire power generating system in the practical application.
针对采用专用控制信道的DS - CD MA系统的上行链路，本文直接利用控制信道的导频符号进行SIR测量的闭环功率控制，并通过计算机仿真对链路的性能进行分析。
An SIR-based close loop power control algorithm is presented. The pilot symbols of control channel in DS-CDMA up-link system are used to measure the received SIR.
针对采用专用控制信道的DS - CD MA系统的上行链路，本文直接利用控制信道的导频符号进行SIR测量的闭环功率控制，并通过计算机仿真对链路的性能进行分析。
An SIR-based close loop power control algorithm is presented. The pilot symbols of control channel in DS-CDMA up-link system are used to measure the received SIR.
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