船舶电力系统频率的稳定性主要取决于船舶电站柴油机调速系统的转速响应特性。
The frequency stability of a ship power system is determined by the speed response characteristic of the diesel engine speed regulation system in the ship power station.
大功率GTO逆变器用于铁路电力牵引,其PW M控制与一般工业领域中的变频调速系统的PWM控制有很大不同。
High power GTO inverter is used for railway electric traction. Its PWM control is significantly different from variable frequency drive system in conventional industrial area.
本文通过仿真研究了级联型STS - SVM多电平变流器在电力有源滤波器和交流电机矢量控制变频调速系统中的应用问题。
In this paper, the applications of cascade STS-SVM multilevel converters on active power filter and ac motor vector-controlled transducer are researched through simulation.
在同步发电机组调速器侧装设电力系统稳定器是抑制电力系统低频振荡的有效措施。
Fixing power system stabilizer on the governor of synchronous generator is an effective method to restrain low frequency oscillation.
机床电力拖动系统采用集成电路实现脉宽调制方式调速用IGBT管驱动电动机。
This article presents the application of IGBT-PWM regulating speed system in machine tool's electric drive.
在工业生产中,需要高性能速度控制的电力拖动场合,直流调速系统发挥着极为重要的作用。
In the industrial production, the DC governor plays a very important role in the occasion of the electric drive needing the high performance speed control.
本文依据矢量控制的基本原理,针对电力牵引系统对电机控制性能的要求,设计了基于转子磁场定向的矢量控制交流调速系统。
In this paper a vector controlled ac speed-regulating system is developed, which adopts the rotor flux field-orientated theory to meet the requirements for an electric traction system.
全液压调速系统的油压容易产生脉动,如果油压脉动的频率与电力系统固有频率接近时也可能引发电力系统共振机理的低频振荡。
If the frequency of oil-pressure pulsation is near to power system natural oscillations frequency, power system low frequency oscillations of resonance mechanism can be induced.
分析了数控抽油机的运动规律及电力拖动系统,论述了变频调速技术在系统中的应用。应用可编程控制器(PLC)完成抽油系统的自动控制。
The movement law and electric driving system are analyzed. Variable frequency technique used in the system is discussed and PLC is used for automatic control of the pumping unit.
应用仿真软件EUROSTAG的模块自定义功能建立了带有超速保护的调速系统模型,通过仿真研究了超速保护控制对电力系统安全稳定的影响。
Using the software EUROSTAG, overspeed protection control model was set up and the effect of OPC on power system security and stability was researched.
本文从电力电子变流技术和电力拖动自动控制系统方面论述了利用晶闸管实现对交流绕线式电动机的调速节能问题。
This paper deals with the economic governor of ac winding motor from the viewpoint of electrical and electronic inversion technology and electrical drive automation.
汽轮机调速系统对电力系统阻尼特性的影响可以通过其提供的附加阻尼系数的符号和大小来确定。
The impact of turbine governor on the damping characteristic of power system can be determined by the sign and magnitude of the added damping coefficient.
针对以电机牵引以及驱动系统的调速问题,长久以来一直是电力电子学科中的重要课题。
How to change the motor speed according to different load is a very important study subject in power electronics.
现代交流调速技术因其优越的性能和日益成熟的技术将在包括矿井提升机在内的电力传动系统中普及。
Modern control system of AC motors is gradually prevalent in electrical drives include of mine-hoist because of its remarkable performance and mature technology.
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.
建立了电力系统稳定计算用汽轮机及调速系统的数学模型并对其进行了适当的简化。
The mathematical models of turbine governor are established and simplified for the stability calculation of power system.
本文介绍了蒸汽调速器在大型电力系统的非线性鲁棒控制理论。
The paper introduces the nonlinear robust control theory into the steam governor control in large scale power system.
本发明的可旋转电力电子变换器同步电机励磁装置能为同步电机提供稳定可调的直流励磁,可大大提升同步电动机调速系统的竞争力。
The disclosed excitation unit of rotatable electronic converter supplies stable adjustable dc excitation for synchro motor, promoting competitive power of speed control system of synchro motor.
本发明的可旋转电力电子变换器同步电机励磁装置能为同步电机提供稳定可调的直流励磁,可大大提升同步电动机调速系统的竞争力。
The disclosed excitation unit of rotatable electronic converter supplies stable adjustable dc excitation for synchro motor, promoting competitive power of speed control system of synchro motor.
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