感应发电机

Terminal voltage is determined by a cut-and-try solution such that the summation of reactive volt-amperes equals zero. Slip is determined from the relation that the summation of the real powers equals zero, and then frequency is obtained.

根据虚功率总合为零的原则，可求出感应发电机之端电压值，以及有效功率总合等於零的原则，求出转差率及频率来。

First, based on double-fed induction generator fundamental equation, the equivalent circuit and internal power relationship are analyzed in this dissertation, which establishes the theoretical base for study.

本文首先从双馈感应发电机的基本原理出发，分析了其等效电路和功率平衡关系，为双馈感应风力发电系统的研究奠定了理论基础。

The technical documents include system description, principle of induction generator, design of induction generation system and peripheral unit.

内容包括系统描述、感应发电机原理、感应发电系统设计及周边设施设计。

The system description is concentrated on units' function. The principle of induction generator describes how to generate electric power from induction motor and the difference between synchronous generator and induction generator. The design of induction generation system is focus on a 80kW biogas induction generation and controlled parallel panel. Finally, the peripheral unit design is interesting in biogas storage tank, hot air duct and safety device .

系统描述针对感应式沼气发电系统所需设备的功能说明；感应发电机原理机针对马应马达与发电机之运转模式说明，并比较同步式与感应式发电机之差异；感应发电系统设计则针对80kW感应式沼气发电系统所需发电机组、保护并联盘设计说明；周边设施包括沼气储袋、引擎热风导管及沼气安全装置。

This paper investigates the performances of an induction machine operating as a self excited induction generator in stand alone mode. A static capacitor bank is used to self excite the machine and to maintain its terminal voltage within a desired range.

本要探讨隔离型自激感应发电机的一些特性，利用静态电容器来做为感应机的自激并维持其端电压在需要的范围内工作。

The design analyzes the improvement of power factor, the phenomenon of self-excitation,the way of control and protect, and the reasons of usual problem.

分析、讨论了感应发电机功率因数的改善和感应发电机的自励现象、控制、保护以及感应发电机运行中常见故障原因及排除方法。

Compared with the induction generator and the synchronous generator, the doubly-fed generator shows few differences in structure, but the most outstanding characteristic is that it has no special requirement on rotative velocity to the axes.

从结构上看，双馈发电机与常见的感应发电机和同步发电机无太大的差别，但它却有一个引人注目的特点，即对轴上输入转速无任何特殊的要求。

This thesis focuses on maximum-power-point-tracking algorithm applying for wind-turbine generator system. The system includes the serve-motor, induction generator, three-phase full bridge rectifier, buck converter and fixed load. This thesis uses traditional Current Perturbation Algorithm as well as Perturbation Stochastic Approximation Algorithm to implemented with Matlab/simlink and hardware to achieve the maximum power tracking.

本文针对风力发电系统提出最大功率追踪法则，整体系统架构包含了伺服马达、感应发电机、三相全桥式整流器、降压直流转换器和固定负载，并由传统电流型扰动观察法合并扰动近似演算法，进行Matlab/simlink 模拟与电路实作设计来完成最大功率追踪。

This paper discusses the performance characteristics of an isolated three-phase self-excited induction generator operating under an unbalanced, excited capacitor.

本文研究三相感应发电机，在不平衡的激磁电容状态下之运转特性。

In particular, induction generators cannot support the system voltage during faults, unlike steam or hydro turbine-driven synchronous generators (however properly matched power factor correction capacitors along with electronic control of resonance can support induction generation without grid).

特别是，感应发电机不能支持系统电压故障期间，与蒸汽或水轮机驱动的同步发电机（但是适当匹配功率因数校正电容器以及电子控制的共振可以支持新一代无网格感应）。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。