超高压高温汽轮机组母管制除氧器智能自动寻优控制数据

由于超高压高温汽轮机组母管制下多台除氧器的特性不尽相同，运行效率与运行工况也各不相同，因此存在一种最优多机负荷分配方式，通过自校正回路实现在多机运行工况下，在考虑机组燃烧扰动以及发电负荷约束条件基础上，折算除氧器控制与实际给水、蒸汽之间模型对应关系，实时寻找最优除氧器智能自动寻优分配算法，并实现自动校正功能。本应用算法采用一种“整体协调+局部寻优”的先进控制，该控制方法的核心在于通过实时监测每台除氧器的水位，并根据水位的变化自动调节进水阀和排汽阀的开度，从而实现对水位的精确控制，同时还考虑了多台除氧器之间的相互耦合，当某台除氧器的水位发生显著变化时，控制系统会综合评估其他除氧器的运行状况，并作出相应的调整，以确保整个系统的稳定性。
第一层级主要实现整体协调控制以增量控制模式为主，增加死区设置限制，在死区范围内闭锁第一层级输出动作。
第二层级实现多台除氧器水位寻优控制模式，构建单台除氧器模型，除氧器水位预测值可以分解为模型自由输出和强迫响应两部分，设置单体除氧器水位控制死区限制，在死区范围内闭锁单台除氧器输出动作。

Due to the varying characteristics, operating efficiency and working conditions of multiple deaerators under the header system of ultra-high pressure and high temperature steam turbine units, an optimal multi-unit load distribution scheme exists. By adopting a self-tuning loop, under multi-unit operating conditions and considering combustion disturbances of the units and power generation load constraints, the corresponding relationship between the deaerator control model and actual feedwater/steam systems is established, an intelligent automatic optimal distribution algorithm for deaerators is searched in real time, and the automatic correction function is implemented.
This applied algorithm adopts an advanced control strategy of "global coordination + local optimization". The core of this control method is to monitor the water level of each deaerator in real time, automatically adjust the opening of feedwater valves and steam exhaust valves according to water level changes, thereby achieving precise control of the water level. Meanwhile, the mutual coupling between multiple deaerators is taken into account: when the water level of a certain deaerator changes significantly, the control system will comprehensively evaluate the operating conditions of other deaerators and make corresponding adjustments to ensure the stability of the entire system.
The first-level control layer mainly implements global coordinated control, which takes the incremental control mode as the main control form, with additional dead zone setting restrictions. The output actions of the first-level layer are locked out within the dead zone range.
The second-level control layer implements the multi-deaerator water level optimization control mode. A single-deaerator model is constructed, and the water level prediction value of the deaerator can be decomposed into two parts: free model output and forced response. Dead zone restrictions for single-deaerator water level control are set, and the output actions of individual deaerators are locked out within the dead zone range.

搜集汇总

数据集介绍

特点

该数据集记录了超高压高温汽轮机组母管制除氧器的运行参数，用于智能自动寻优控制，数据规模3600条，每秒更新一次，旨在优化多台除氧器的负荷分配和运行效率。