| 1. | Pid control in adjustable - pitch wind turbine system based on bp neural network
变桨距风电机组控制 |
| 2. | The main task of the paper is to control a major variable pitch wind turbine generator with intelligent controller so as to make it run well
本论文是用智能控制器来实现大型变桨距风力发电机的电控系统。 |
| 3. | Based on 1mw wind turbine design , this paper offers one reasonable variable - pitch structure , which can response quickly and operate conveniently
本文按照1mw风电机组总体方案要求，设计出一种结构合理，反应灵敏、操作方便的变桨距机构。 |
| 4. | According to the effect of variable - pitch system , we can divide the operation process into three states : starting , below rated power and rated power
变桨距风力发电机组根据变桨距系统所起的作用可分为三种运行状态，即风力发电机组的起动状态、欠功率状态和额定功率状态。 |
| 5. | The control parameters influenced the loads of the stall wind turbine small . but it will be bigger to the variable pitch wind turbine and the variable speed wind turbine
对于bladedforwindows软件，定桨距失速调节型风力发电机组控制参数的输入量比较少，对机组载荷的影响也比较小。 |
| 6. | The two schemes those are the hydraulic control and the electromotor control of the pitch - controlled system were developed and a high pressure redundancy electro - hydraulic proportional pitch - controlled design was put forward
具体设计了变桨距机构液压控制方案和电机控制方案，并提出了高油压冗馀式电液比例变桨距机构的设计思路。 |
| 7. | Based on research of wind turbine aerodynamic characteristics , this paper analyzed various control methods for a pitch - controlled system of variable - speed and constant - frequency wind turbine at a wind velocity range higher or lower its speed rating respectively
摘要在风力机空气动力学特性分析的基础上，讨论了变速恒频风力机组变桨距机构在低于额定风速阶段和高于额定风速阶段的不同控制策略。 |
| 8. | Compared with fix - pitch wind turbine , the variable - pitch wind turbine has the virtue : stable output power over rated power , high wind power coefficient , holding rated power at high wind speed , good starting and shut - off etc .
变桨距风力发电机组与定桨距风力发电机组相比，在额定功率点以上输出功率平稳、具有较高的风能利用系数、能够确保高风速段的额定功率、起动性能与制动性能好等特点。 |
| 9. | The paper studies the pitch - regulated structure and stand - alone control system about mw wind turbine group . the background of the paper is " mw variable - speed constant - frequency wind turbine group ( no . 2001aa512022 ) " , which is supported by national 863 plan
本文以国家863计划《兆瓦级变速恒频风电机组》 (课题编号： 2001aa512022 )为背景，主要研究了兆瓦级风电机组的变桨距机构及其单机控制系统。 |
| 10. | The characteristics of wind turbine generators as well as features of the fixed pitch wind turbine generator and the variable pitch wind turbine generator are presented , emphasizing on the variable speed constant frequency ( vscf ) generating system based on doubly - fed generators and on the control system for pitch angles
在简述风力机特性的基础上，介绍了定桨距和变桨距发电机组的特点，重点分析了基于双馈发电机的变速恒频发电系统及桨叶节距角控制系统。 |
