This paper mainly discusses the control and protection system for the 20kw VSCF (Variable Speed Constant Frequency) Wave Power Electric Station.
本文着重介绍了20千瓦变速恒频波力发电系统的控制功能和保护体系。
A variable structure controller for Static var Compensator (SVC) which can improve power Angle stability of power system and local voltage characteristics of SVC is proposed.
本文提出了能同时改善电力系统功角稳定和装设点电压动态特性的用于静止无功补偿器(svc)的变结构控制器设计方法。
An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.
ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。
The result indicates the nonlinear variable structure control can adjust the transmission power of DC line effectively, and assure the stability of the AC-DC system.
仿真结果表明，非线性变结构控制可以有效地调节直流线路的传输功率，保证交直流系统的稳定性。
The switched reluctance drive is a new variable-speed motor system which consists of power electronically-switched circuits, doubly salient reluctance motor and controller.
开关磁阻电机是由功率开关电路、双凸极磁阻电机及控制器构成的新型调速电动机系统。
By applying man's intelligence, a design method of intelligent variable structure stabilizer for power system was proposed on the basis of variable structure control theory.
依据变结构控制理论并运用人的智能，提出了智能变结构电力系统稳定器的设计方法。
Here, the action of SSSC is taken into account in rotor motion equations of power system and an adaptive nonlinear variable parameter control method for SSSC is proposed.
文章在电力系统转子运动方程中计及了SSSC的作用，提出了SSSC的自适应变参数非线性控制方法。
The AC-DCAC voltage source inverter composes the main circuit of this variable frequency system and CPLD is the logic control device of the power device (IPM).
该变频调速系统主电路采用交-直-交形式，以(CPLD)作为调速系统逆变电路功率开关器件(IPM)的逻辑控制器件。
For the purpose of meeting high efficiency and premium efficiency motor tests, a set of static variable frequency power supply test system was researched and designed.
从满足高效和超高效电机的效率测试出发，研究和设计了一套基于静止变频电源的电机效率测试系统。
The controlling system of the variable polarity power source for TIG welding by microprocessor-80C552 is developed with flexible setting time and scope of the DCEP and DCEN.
开发了变极性TIG焊电源的微机控制系统，通过调节输出电流的正负半波时间、幅值获得不对称方波。
The structure and control of direct-driven permanent magnet synchronous wind power generation system are analyzed, and the development direction of variable speed wind power generation is introduced.
对直驱式永磁同步风力发电系统的结构与控制进行了分析，并展望变速风力发电的发展趋势。
The main parts of the aircraft VSCF electrical power system consist of the no-brush AC variable frequency generator, converter and controller.
飞机变速恒频电源系统的主要部件有无刷交流变频发电机、变换器和控制器。
Power and Gearing device: Various kinds of motor, reducer, variable-speed motor, lift machine, protection device, and electronic control system etc.
动力与传动装置：各种类型电动机、减速机，变速机、电梯主机，保护装置，电控系统等。
Therefore, it is necessary to study the frequency control strategy of the variable speed wind turbines, use variable speed wind turbines to improve the frequency control ability of the power system.
因此，有必要研究变速风电机组的频率控制策略，利用变速风电机组来提高电力系统的频率控制能力。
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.
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。
The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system.
双馈发电机的有功和无功功率的解耦控制是变速恒频（VSCF）风力发电系统的关键技术。
Load system of the large scale power plant's unit as well, is a multi-variable nonlinear dynamic system, and the dynamic characteristic will change with the different operating condition.
同样，大型火电机组的负荷系统是一个多变量非线性动态系统，它的动态特性随工况的变化而大范围变化。
In this paper, a new nonlinear variable structure control principle with equivalent control term of turbine valve is applied to control transient process of power system.
提出了一种引入等效控制项的非线性变结构汽门控制规律。
Twin stator brushless doubly fed machine generation system which has no electrical brush and can running in variable speed and constant frequency condition is very suitable for wind power generation.
双定子无刷双馈发电机具有无刷化和可进行变速恒频发电的特点，非常适合于风力发电系统，对其发电系统的研究，将使这种新型电机能够尽快地应用于实际之中。
Variable-speed variable-frequency(VSVF), a new typed operational mode for the induction generator based wind power generation system is proposed based on the fractional frequency power transmission.
在分析异步风力发电系统模型的基础上，结合分频输电技术，提出了一种新型的异步风力发电系统运行方式——变速变频（VSVF）方式。
The high voltage variable frequency transformation of power plant's pump system of condensation water pump, condensation water booster pump is described briefly.
对发电厂的凝泵、凝升泵的高压变频改造进行了简要叙述，并对经济性试验的数据进行了定量分析。
A decoupled power controller based on inverse system theory was developed for a variable-speed doubly-fed wind power generation system.
应用多变量非线性控制的逆系统控制理论，对双馈型变速风力发电系统的有功功率和无功功率进行了解耦控制。
Owing to the stochastic nature of wind speed, time-variable of parameters, system lagging and system nonlinearities the power generated by wind turbines changes rapidly.
由于风速的随机性、风电机组参数的时变性和系统的非线性，以及系统的复杂性引起的时滞性，造成风电机组输出功率的不稳定。
The design and manufacture for MW-class AC-excited doubly-fed generator is very important in the variable speed constant frequency doubly-fed wind power system.
在变速恒频双馈风电机组中，交流励磁双馈风力发电机的设计和制造技术是十分关键的。
With the rate of the variable speed wind turbines connected to the grid increasing, it will bring adverse influence on frequency control of the power system.
随着变速风电机组容量在电网中的所占比例的不断提高，其接入电网将给电力系统的频率控制带来不利影响。
This paper introduces the application of 4.8mw variable frequency power supply of Fengguang brand in the water pump test system of Arak Machinery Plant in Iran.
本文介绍了风光牌4.8MW变频电源在伊朗阿拉克机械厂水泵测试系统的应用情况。
The variable speed constant frequency double-fed wind power system is taken as the research object and the control problem of maximum wind energy tracing below the rated wind speed is studied.
以变速恒频双馈风力发电系统为研究对象，研究了额定风速以下风能的最大追踪控制问题。
Wind power generation system should adopt the variable speed constant frequency (VSCF) control strategy in order to maximize the use of wind energy.
为了最大限度地利用风能，风力发电系统应采用变速恒频控制策略。
A new intelligent three-phase sinusoidal variable-frequency power based on XC164 as its core module is presented. The design of hardware and software about the system are discussed.
基于单片机智能化和开关电源高效率的特点，研制出一种以xc164单片机作为核心控制模块的智能型三相正弦波变频电源。
A new intelligent three-phase sinusoidal variable-frequency power based on XC164 as its core module is presented. The design of hardware and software about the system are discussed.
基于单片机智能化和开关电源高效率的特点，研制出一种以xc164单片机作为核心控制模块的智能型三相正弦波变频电源。
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