speed governing
[自] 调速,[机] 速度调节
2026-03-22 10:54 浏览次数 19
[自] 调速,[机] 速度调节
it is a long time since the traditional mechanismic speed governing system has been used for control the speed of turbine. it has so much defects as choke, leakage, wide velocity perturbation.
长期以来,透平机一直使用传统的机械调速系统来控制其转速,卡涩、液压系统渗漏及转速波动范围大等均属其不可克服的缺陷。
it has a simple structure and a high performance-to-price ratio, and at the same time it can be applied to other small power dc speed governing systems of the same load types.
该装置结构简单、性价比高,也可应用于其他具有同类负载特征的小功率直流调速系统。
this article recommended an experimental installation of dc speed governing system and detailed its formation, principle of speed regulation, circuit, and its application in experiment education.
本文介绍了直流调速系统实验装置的构成、调速原理、线路及其在实验教学中的应用。
the article mainly the speed governing technology with internal feedback high frequency chopper wave, including its working principle, function and feature, and application to industry control.
简介几种常用电机调速方式。 对应用较好的内反馈高频斩波调速技术的工作原理、功能与特点,以及在工业控制中的应用情况予以介绍。
there were higher failure rate, large maintenance and poor characteristics of speed governing due to using slip speed governing of motors for feed- ers of coal for boilers.
锅炉给粉机电机原采用滑差调速,存在故障率高、维修量大且调速性能差等问题。
an introduction was made on the transformation of the speed governing system of industrial turbines imported by the xinggang power plant of shougang iron &steel co. ltd. many years ago.
首钢新钢动力厂对多年前引进的工业汽轮机的调速系统进行了改造,解决了引进设备的老化问题和备件供应问题,并降低了机组能耗。
variable-frequency speed governing technology is high-accuracy and strong-overload, and it is the most reliable technology of electric drive.
变频调速技术是一种调速精度高、电机启动电流小、过载能力大,在电力拖动中应用最为可靠的一种调速技术。
a microcomputer control system for pump flow regulating by automatic motor speed governing is designed.
提出了用改变异步电动机转速的方法,自动调节泵的流量的微机控制系统设计方案。
energy-saving principle about pump-control-motor speed governing system with inverter is elucidated. power saving rate is proposed.
阐明了交流变频泵控马达调速系统的节能原理,提出了功率节省率的概念。
the low speed efficiency of pump-control-motor speed governing system with inverter is obviously reduced when setting low frequency compensation.
设定低频补偿功能会较大幅度地降低变频泵控马达调速系统低速段的效率。
this paper describes the input circuit and anti-interference measures of a-d-a type digital frequency discriminator used in the speed governing system of hydraulic turbines.
本文介绍用于水轮机调速系统中的a-d-a型数字鑒频器的输入电路和抗干扰措施。
the analog neutral controller can be applied to dc and ac speed governing system.
该模拟神经控制器能用于直流与交流调速系统中。
in general, tachometer generators are eliminated in the small and medium power dc rotating speed governing systems, and armature voltage is used as motor speed signal.
在中小型直流调速系统中,一般都取消了测速发电机,而以电枢电压作为电机转速信号。
the coal feeders of boilers of the thermal power plant used a slip speed governing motor to control coal feeding and there were many problems in application.
火力发电厂锅炉给粉机原采用滑差调速电动机对给粉实行控制,应用中存在很多问题。
the experiment showed that this pid speed governing system could reduce the surging of engine speed and shorten the system responding time, consequently improve the vehicle performance.
调速试验表明,该pid调速系统降低了发动机转速振蕩,减少系统响应时间,有效地提高了整车的性能。
this paper described the structure, working principle, main technical parameters and features of the automatic speed governing device of kxjt70/ 660 mine fan.
介绍了kxjt70/660型矿用通风机自动调速装置的结构及工艺原理,主要技术参数及特点。
according to the requirement of ac motor speed governing system, the paper uses thread safe queues technology to protect motors data which can properly indicate motors status.
介绍了数据保护的概念和原理,根据交流电机调速系统的要求,使用线程安全队列技术对电机的数据进行保护,以期能正确反映电机的运行情况。
the hydraulic speed governing system based on variable frequency technology is one new hydraulic speed governing way.
基于变频技术的液压调速系统是一种全局性的新型液压调速方式。
the paper also integrated the inverter model and nonlinear dynamic model of asynchronous ac motor and obtained the asynchronous ac motor speed governing system model covering the dead-time.
并将逆变器模型与异步电机非线性数学模型结合,建立计及逆变器死区时间后的异步电动机变频调速系统的整体数学模型。
with the development of the electronic technology, the digital speed governing system has been used so as to enhance accuracy and reliability of the devices.
随着电子技术的飞跃发展,数字调速器已成为一种必然趋势。
siemens fully digital dc speed governing device has the characteristics consisted of single and expedient parameter installing and perfective functions.
西门子数字式直流调速装置具有参数设置简便、功能完善等特点。
software direct compensating motor speed loss of open loop pump-control-motor speed governing system with inverter is studied deeply in theory and experiment.
对软件直接补偿开环变频泵控马达调速系统的马达转速降落进行了理论分析和实验研究;
we adopt mainly statistic and reckon method to the analysis of speed governing and energy savings of the whole time such as the whole year.
对于整时段的(如全年)调速节电分析主要采用统计加推算方法,在无法直接取得不调速(工频)参数对比的情况下,误差结果可能较大。
this paper covers an analog compound orthogonal neural network controller and its application to two closed-loop dc speed governing system.
在数字复合正交神经网络的基础上提出一种模拟复合正交神经网络,并用于直流双闭环调速系统中。
an introduction was made on the transformation of the speed governing system of industrial turbines imported by the xinggang power plant of shougang iron &steel co.
首钢新钢动力厂对多年前引进的工业汽轮机的调速系统进行了改造,解决了引进设备的老化问题和备件供应问题,并降低了机组能耗。
cosidering simultaneously the effect of phase shifter and the generator excitation system and speed governing system, the integrated optimal control of genera tor is derived in this paper.
本文将移相器的作用与发电机励磁系统、调速系统统一考虑,推导出了发电机的综合最优控制规律。