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600MW发电机组自动装置整定计算及仿真
研究
摘 要
针对 600 MW发电机组自动装置，最初分析初始材料，从而确定了电气主接线，然后进行了短路点的电流计算，再对发电机组自动装置进行配置，采用了先进的DGT801、pss660、WBKQ-01B等设备，并对各个装置进行整定计算，鲜明的突出了各个保护的特点，以求在配置和整定值上满足大机组对保护选择性、灵敏度和可靠性要求。
基于厂用电快切仿真，提出了用simlink软件进行仿真的看法，建立了厂用电快速切换模型，该模型由系统摸块、断路器模块，同步发电机模块、示波器模块等组成，仿真了厂用电快速切换过程中母线断电前后电压的特征，结果表明快速切换是安全、可靠的切换方式, 它是主切换。
关键词 发电机组，自动装置，整定计算，快切，仿真
Abstract
In view of 600 MW generators automatic device, first analyzes the initial material. Thus has determined the electrical main wiring. Then carried on short-circuited the electric current computation, according to calculate the result of to choose the electricity equipments. Has used the advanced equipments of the name DGT801、pss660、WBKQ-01B. and carry on to the each protection whole protective settle the calculation, fresh and clear and outstanding the characteristics that each one protect，It is used to meet the requirements of big unit set for selectivity , sensitivity and reliability in configuration and setting.
Base on power high- speed switch simulation, Proposed the idea of use the software of simulation. Establishment the model of power high- speed switch. This model is composed by the Three-Phase break、Simplified Synchronous Machine block、Scope block. Analyze the voltage characteristics of the bus bar after outage are .as well as possible matters during house supply transfer. Four possible transfer modes are presented: the fast transfer, the first phase coincidence transfer, The fast transfer is the safest and most reliable mode, which is regarded as the main transfer.
Key Words generator-transformer unit ，Automatic device，setting calculation ， high- speed switch， simulation