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。
The problems are:the storage of cumulating variable at power off, multi-byte division, the detection of rotating speed and the control of facilities by AC power.
这几个问题是：累积量的掉电存储问题、多字节除法问题、转速的检测问题和交流电设备的控制问题。
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。
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。
This paper applies a method of linear continuous variable feedback to the control of a kind of voltage collapses induced by reactive power changes, which only USES a single variable to feed back.
应用连续变量线性反馈对一类由负荷无功功率变化引起的电压崩溃进行控制，仅用单个变量即可实现。
Since the reactive power generation is taken as a control variable in the OPF formulation, the bus voltages can be optimized to yield maximum TTC.
文中将无功功率作为OPF的控制变量，故节点电压也被优化以得到最大传输容量。
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。
Variable displacement pump's control style has many ways, such as constant pressure, constant fluid, constant power, electrohydraulic proportional and load-sensing etc.
变量泵的控制方式有恒压力、恒流量、恒功率、电液比例和负荷敏感控制等。
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。
By applying nonlinear fuzzy Variable Structure control (FVSC) theory, a design method of Unified Power Quality Conditioner (UPQC) associated FVSC control is proposed.
运用非线性模糊滑模变结构控制理论，提出了对并联型电能质量调节器来进行模糊滑模变结构控制的设计方法。
The paper proposes a new method to realize constant power control for electrohydraulic proportional load-sensing radial piston variable displacement pump.
本文提出了对电液比例负载敏感径向柱塞变量泵实现恒功率控制的新的控制方法。
In order to meet the constant power control requirements of wind turbines, the wind turbine model was linearized at the operation points, thus variable pitch PID control of wind turbines is achieved.
为了满足风力发电机的恒功率控制要求，对其模型在运行工作点处进行了线性化处理，从而实现了风力发电机变桨距的PID控制。
By means of the commonly-used domestic variable duration impulse integrated controller, alternative design was carried out on PWM control chip of switching power on overseas equipments.
介绍了利用国内常用的脉宽调制型集成控制器对国外装置上开关电源的PWM控制芯片的替换设计。
A new control approach is proposed for multimachine power systems during transient crises. The variable structure control theory is applied to design the valve control law.
将变结构控制理论引入电力系统的暂稳汽门控制，使汽门控制器的设计大为简化，控制规律易于实现。
To alleviate the problem of variable switching frequency, a novel quasi DPC control strategy with current loop was represented through the analysis of PWM rectifier instantaneous power.
可变开关频率为缓解这个问题，一种新型的准DPC控制策略与电流回路通过PWM整流器瞬时功率的分析表示。
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。
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。
Control achieved by applying straight voltage between 0 and 24 VDC via potentiometer or other variable power supply.
控制应用和实现连续24伏直流电源电压介于0通过电位器或其他变量的权力。
Additionally, the coordinate principle of variable displacement pump with constant power control and load-sensing control system is demonstrated, and establish the constant power control model.
针对液压泵恒功率调节系统，建立了动态数学模型并对恒功率调节与负载传感系统的控制协调机理进行分析。
Because power systems are complex and multi-variable, it is very difficult to realize automatic secondary load-frequency control.
电力系统一般都很复杂且变量又多，实现二阶负载—频率自动控制也相应变得很困难。
To the most potential variable-speed constant-frequency doubly fed induction generator, the device of power electronics converter used to control rotate speed is analyzed.
针对最具有发展潜力的变速恒频双馈风力发电系统，分析其用于转速控制的电力电子变换器装置。
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。
An APFC control solution for high power variable frequency air conditioner is introduced.
本文介绍了较大功率变频空调的一种APFC方案。
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。
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。
Variable power displacement; Fuzzy reasoning; Judgment of running state; Identification of driver's intention; Control technology; Application.
变工作排量；模糊推理；行驶工况判断；驾驶员意图识别；控制技术；应用。
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。
Variable-speed control we already know, at a certain speed axial flow pump are working under, and to obtain the corresponding flow, lift, power and efficiency.
变速调节我们已经知道，轴流泵是在一定转速下工作的，而且获得相应的流量、扬程、功率和效率等。
Variable-speed control we already know, at a certain speed axial flow pump are working under, and to obtain the corresponding flow, lift, power and efficiency.
变速调节我们已经知道，轴流泵是在一定转速下工作的，而且获得相应的流量、扬程、功率和效率等。
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