The system adopts direct digital synthetic (DDS) technology for building the sine wave generator to realize continuous regulation of amplitude, frequency and phase modulation.
系统采用直接数字合成(DDS)技术构建正弦波发生器,实现幅值、频率、相位等连续调节;
The main topics mentioned here are about wind turbine, power regulation of wind turbine and induction generator in wind farms with electrical power system.
重点介绍了目前风电场中所采用的风力发电机组,包括风力机、风力机的功率调节及恒速恒频和变速恒频发电系统。
The necessity of flow regulation system in solid ramjet is presented, and the scheme of gas-fired flux adjustment about generator is analyzed.
阐述了固冲发动机燃气流量调节的必要性,对发生器燃气流量调节方案进行了评述。
The voltage stability of a ship power station is decided by the dynamic characteristic of its synchronous generator voltage regulation system.
船舶电站电压的稳定性主要取决于同步发电机调压系统的动态特性。
This paper introduced the characteristic and function of the regulation of auto-excitation system based on IGBT in excitation system of synchronous generator.
文中介绍由IGBT组成的自动励磁系统在发电机励磁调节中的的特性和作用。
This paper presents a synchronous generator excitation regulation system using S7-200 programmable controller (PLC), and analyzes the system structure and software scheme at details.
提出一种基于s7—2 0 0可编程序控制器的同步发电机无刷励磁调节系统,详细分析了该系统的硬件结构和软件设计。
It's significant to study the regulation of active power of three-phase synchronous generator by way of the alternating power source of three-phase industrial frequency.
三相同步发电机作为三相工业频率的交流电源,研究其有功功率调节具有重要意义。
The piecewise corrected current generator also forms negative feedback to improve the line regulation and power supply rejection(PSR).
该分段线性电流产生电路还形成了一个负反馈,以改善带隙基准源的电源抑制和线性调整率。
As the application of AC variable frequency speed regulation is widely popularized, the request of high precision and high integrality about SPWM generator becomes higher.
由于交流变频调速越来越得到广泛应用,对高精度高集成度SPWM产生器的要求也就越来越高。
The voltage stability of a ship's power system is determined by the dynamic characteristic of the synchronous generator voltage regulation system in the ship's power station.
船舶电力系统电压的稳定性主要取决于船舶电站同步发电机调压系统的电压响应特性。
This equipment adopts a thyristor excitation DC generator-motor set with a field weakening regulation device working in step with loading.
该设备采用可控硅励磁直流发电机——直流电动机系统,具有取决于负载的弱磁调节装置。因此操作起来极为方便。
The microcomputer-based hydro-turbine governor is the principal part for the realization of primary frequency regulation for a hydraulic turbine generator unit.
中国部分省市电网目前正在分批开展发电机组的一次调频试验工作,实现水轮发电机组一次调频功能的主体是水轮机微机调速器。
Through the analysis of several kind of turbo-generator control system, the new concept is proved to be an overall description of primary frequency regulation.
通过比较分析几种汽轮机调节系统的一次调频动态特性,证明采用一次调频动态特性概念可以本质、全面地反映汽轮机调节系统的一次调频特性。
The 50 poles 180 slots generator has the advantage in amount of electromagnetic materials usage, voltage regulation rate, and electrical efficiency.
最终优选在有效材料使用量、电压调整率、电机效率等方面具有明显优势的50极、180槽电磁方案。
This paper introduces the table's function and structure, details the soft-and hardware design methods, and presents the control way for generator speed and excitation regulation.
本文介绍该实验台的功能、结构;论述其微机测控系统的软硬件设计方法,调速及励磁控制方法,以及其它关键技术。
The generator operating parameters from the protective unit are used to coordinate and control the excitation unit and speed regulation unit.
由保护单元传回的发电机运行参数作为判据协调控制励磁和调速单元。
The generator operating parameters from the protective unit are used to coordinate and control the excitation unit and speed regulation unit.
由保护单元传回的发电机运行参数作为判据协调控制励磁和调速单元。
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