本文概述了8K机车功率因数补偿装置的工作原理、参数选择及投切控制。
Operating principle of power factor compensating device for 8k electric locomotive is briefly described as well as its parameter selection, switching on and off control.
在高功率激光系统,激光束小尺度相位畸变波前探测是实现激光束中频段波前补偿与控制的重要前提。
In high power laser system, a small size phase-distortion wavefront measure is necessary to compensate and control the wavefront of laser beam with intermediate frequency.
该控制方法能改善系统电能质量的调节,有效地补偿负荷侧谐波电流、无功功率和负序电流。
This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.
实验结果表明该节能控制系统利用就地电容补偿原理,降低了抽油机的总损耗,提高了工作效率和功率因数,具有较好的节能效果。
Experiments result shows that this control system increase work efficiency and power factor by applying nearby capacitance compensation theory. The control system processes fine saving energy effect.
对几千瓦以下的单相有源功率因数补偿控制芯片很多,其中UC3854最具代表性。
Single phase active power factor compensation control clips below thousands watts are very popular, among which UC3854 is most typical.
论述了运用PWM整流器实现无功功率补偿的ML变频系统的工作原理、电路结构和控制的实现方法。
The work principle, circuit structure and realization method of control of the ML frequency converter system are discussed. The system USES PWM rectifier to realize reactive power compensation.
无功补偿可以提高功率因数,变压器的经济运行可以最大限度地降低变压器的电能损耗,需量控制能够降低企业最大峰值负荷,降低生产成本。
It concludes that reactive compensation can increase power factor. Economical transformer operation can decrease energy loss. Power demand control can shed maximum peak load and lower productive cost.
介绍一种以8031单片机为核心而构成的功率因数自动补偿控制器的工作原理及硬件电路设计、软件设计。
The paper introduced the work principle, hardware circuit design and software design of a power factor automated compensator composed mainly of 8031 single chip computer.
介绍了低压配电网无功功率自动补偿控制器的软件和硬件设计方法。
Hardware and software design of reactive power automatic compensation controller for low-voltage distribution systems is introduced.
本文针对三相不平衡负载特点,介绍了无功功率补偿原理和单板机控制系统。
In accordance with the feature of three phase unbalanced loads, this article describes the correction principle of reactive power and the control system of single board computer.
介绍了一种在静止无功功率补偿(SVC)控制中精确跟踪功率因数参据量的方法。
A new method of accurately setting reference values of power factor in the control of static var compensation (SVC) is introduced.
高精度智能无功功率补偿器是采用相关理论的算法和PIC微控制器实现的一种控制器。
Passive power compensator with high precision and intelligence is a controller, which is accomplished by the algorithm of relative theory and PIC microcontroller.
控制系统可以单独控制电机的转速和无功功率,使其工作在超同步、亚同步、转子电流量最小和全补偿工作方式下。
The machine can be operated in sub-synchronous, super-synchronous speeds, minimum rotor current and full compensation when adjusting the speed and reactive power independently.
简述了新型功率因数补偿装置控制系统的特点,详细分析了新型功补控制系统试验情况,验证了其可靠性,说明新控制系统较原有控制系统性能上有大的改进。
In this paper, the characteristic of new type control system of PFC (power factor compensator) of electric locomotive is briefly described, the test is analysed in detail.
阐述了动态功率因数的补偿原理,介绍了动态功率因数补偿过程中的参量检测与功率因数动态补偿的控制方法。
This paper expounds the compensation principle of dynamic power factor and introduces the parameter detection and the control method of the dynamic power factor compensation.
介绍一种以邓8031单片机为核心构成的功率因数自动补偿控制器的工作原理、测控硬件电路及测控软件的设计。
This paper introduces the theory of operation, measurement and control circuit design, software design of a power factor automated compensator, which is mainly designed with 8031 micro - controller.
文章主要介绍了静、动态补偿装置,其功率因数控制方式、无功功率(无功电流)控制方式、性能及应用场合。
This paper mainly introduces the power factor control method, reactive power(reactive current) control method, the performance and the applications of the dynamic & static compensation equipment.
它由基于反向信道预测的功率补偿算法和常规闭环功率控制组合而成。
It consists of a power compensation algorithm based on reverse channel prediction and a common closed -loop power control algorithm.
为了保持工作中的稳定平均输出功率和恒定消光比,采用了温度补偿电路和自动功率控制电路。
To maintain the constant average optical power and extiction ratio, the temperature compensation loop and automatic power control loop are incorporated in this chip.
同时在控制电路设计上引入流量补偿反馈的恒功率控制,并分析了系统的工作原理及输出特性。
At the same time, constant power control of flow compensating feedback is adopted in the design of control circuit. Work principle and output characteristics of the system are analyzed.
通过控制无功补偿量,调节中央变电所进线系统的功率因数,可达到减少经济损失的目的。
Regulating power factor of central substation by controlling reactive power amount can achieve the goal of reducing economical loss.
此功率因数监测与补偿系统由电参数检测系统和补偿控制系统两部分组成。
This power-factor monitoring and compensation system was made up of electrical parameters detection system and compensation controlling system.
光纤通信线路检测到的电功率随差分群延迟变化,可以作为PMD补偿的反馈控制信号。
Electrical power, changing with differential group delay (DGD) and detected from an optical communication link, can be used as feedback signals of compensating for PMD.
介绍了以8098单片机为核心的无功功率补偿控制器的硬件结构及软件设计。
This paper presents the hardware and software designs of a Var compen-satlon controller based on the 8098 microprocessor.
然后阐述了可控电抗器恒功率因数控制的无功补偿原理和实现方法,并进行了无功补偿实验。
The reactive power compensation principle and method of constant power factor control are studied theoretically . and experimentally.
本研究以电网无功补偿改造为背景,研制了一种低压无功功率补偿控制器。
This thesis is to design a controller which can adjust the electric power wire's reactive power which is under the background of the reconstruction of the wire's reactive power compensation.
本文设计的超级电容器储能系统能够同时控制有功功率和无功功率,因此它能补偿功率的波动。
This design of the super-capacitor energy storage system is useful for the compensation of fluctuating power since one is capable of controlling both active and reactive power simultaneously.
为寻求性能优良、容易实现的配电静止同步补偿器(DSTATCOM)的电压控制策略,根据DSTATCOM系统中的瞬时功率平衡理论,推导出了DSTATCOM用于控制电压时的直接电压控制策略。
Based on the balance of the instantaneous power of the distribution static synchronous compensator (DSTATCOM) system the direct output voltage control strategy for voltage control is proposed.
文中还讨论了太阳电池发电系统最佳功率流控制的实现方法以及补偿无功功率和谐波失真等问题。
The actualization of optimal power flow control of solar cell power system and the compensation of reactive power, harmonic distortion are discussed.
文中还讨论了太阳电池发电系统最佳功率流控制的实现方法以及补偿无功功率和谐波失真等问题。
The actualization of optimal power flow control of solar cell power system and the compensation of reactive power, harmonic distortion are discussed.
应用推荐