已有水轮机调速系统故障诊断方法存在诊断时间长、准确率低等缺点。
At present, fault diagnosis method of hydraulic turbine governing system has many disadvantages such as long time need and low accurate ratio.
这篇文章研究了具有良好动态特性的水轮机调速系统的伯德图,并将它们分为二类。
This paper studies the Bode-diagrams of a water turbine governor system which has good dynamic properties.
本文介绍用于水轮机调速系统中的A-D-A型数字鉴频器的输入电路和抗干扰措施。
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.
水轮机调速系统采用压力补偿型液压装置,取消了常温的压力油槽及为之配备的高压压缩空气系统。
The governor system of the turbine has adopted pressure compensation & hydraulic device, which canceled the normal pressure oil tank and the high-pressure compressed air system.
水轮机调速系统是典型的具有非最小相位、非线性、时变特性的复杂控制系统,难以建立精确的数学模型。
To the question of the hydraulic turbine regulating system, this paper discusses fuzzy neural network control (FNNC) based on the character of fuzzy logic and neural network theory.
水轮机调节系统具有非线性和时变性的特性,传统的PID控制器无法获得高性能的调速系统。
With the nonlinear and time variable characteristics of hydraulic turbine regulation system, high qualified speed adjustment system cannot be achieved with the conventional PID controller.
文中推导了调节对象(压力引水管道、水轮机、发电机及其所在电网)与PID调速器组成的调节系统稳定域数学表达式。
A mathematical expression of the stable region of a regulative system composed of PID speed regulators and regulated sets is derived in this paper.
本文采用三菱公司的FX _ (2n)PLC实现了水轮机调速器的基本功能,对系统的硬件和软件进行了详细的分析和说明。
The paper USES the FX2N PLC of Mitsubishi Electric Corporation to realize the basic function of turbine governor, and also analyzes the hardware and software of this system detailedly.
针对目前水轮机调速器电液随动系统存在的问题,提出了一种新型的调速器随动系统方案。
Aiming at the existent problems of the electrohydraulic servosystem of hydraulic turbine governor, a new scheme on this system is worked out.
本文分析了转桨式水轮机采用两种不同协联结构时,调速系统的稳态误差及稳态误差与调差率的关系。
The static errors and their relationship with the ep of the governing system for Kaplan turbines, with two different of on-cam structures are analysed in this paper.
该调速器测试系统具有很好的性能价格比和较广的推广价值,是一种进行水轮机调速器性能测试的理想解决方案。
This speed governor testing system has very good cost-benefit performance and wide popularization value and is an excellent scheme of testing speed governor performance of turbine.
在数学模型中计入水轮机,发电机,负荷特性,调速器参数以及水力系统的特性。
The characteristics of turbine, generator and load, governor parameters and hydraulic characteristics sre considered in mathematic model.
还可检验微机系统的检错容错能力与故障处理功能,为微机水轮机调速器的现场调试打下良好的基础。
We can also test the capability that examines and tolerates faults of the system. So we can further test on site of the microcomputer turbine governor.
水轮机调速器是水电厂重要控制设备,其工作的稳定性直接关系到水轮发电机组乃至电力系统的安全稳定运行。
As the vital control device in the hydraulic power plant, stability of the hydraulic turbine speed governor is a key part to the security and stability of generator set, even to the power system.
频率信号是水轮机调速器控制系统基本的输入量。
Frequency signal is a primary input to hydro turbine governor control system.
水轮机调速器作为电源系统的关键要素之一,坚持了系统的稳定性和供电质量起着重要的作用。
As one of the key elements of the power system, turbine governor plays an important role in sticking up for the system stability and the power supply quality.
水轮机微机调速器是水轮机控制系统中的重要设备,近几年PLC在此领域得到广泛的应用。
Microprocessor-based governor is an important device in the hydraulic turbine control system. Recent years, the PLC technology has been widely applied in the field.
水轮机微机调速器是水轮机控制系统中的重要设备,近几年PLC在此领域得到广泛的应用。
Microprocessor-based governor is an important device in the hydraulic turbine control system. Recent years, the PLC technology has been widely applied in the field.
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