Method for online judging starting and stopping states of thermal power generating unit

Abstract

The invention discloses a method for online judging the starting and stopping state of a thermal power generating unit. The method comprises the following steps: acquiring an organization set of an SIS which is included in a unit start-stop state supervision range; obtaining a latest unit maintenance standby application list of each unit in the organization set; traversing all units in the organization set, judging the start and stop states of the units in combination with the latest unit maintenance standby application form list, writing the start and stop states of the units into a unit state table of the SIS system relational database, and writing criteria into an alarm criterion table; and after the task is executed, waiting for the start of the next task cycle. According to the invention, high-accuracy and high-timeliness automatic judgment and monitoring of the start-stop state of the unit can be realized, and the judgment basis of the start-stop state of the unit is recorded.

Description

technical field [0001] The invention relates to judging the startup and shutdown status of a thermal power unit, in particular to an online method for judging the startup and shutdown status of a thermal power unit. Background technique [0002] From the perspective of power generation, at present, thermal power is still the main power generation method in my country. From January to February 2020, the thermal power generation of power plants above designated size across the country was 842.7 billion kwh, accounting for 76.73% of the total installed capacity. The thermal power unit equipment system has a large scale, closely connected equipment, complex pipelines, and harsh production environment. The real-time status monitoring of the unit plays an important role in grasping the characteristics of the unit, optimizing the operation of the unit, preventing accidents, and analyzing the causes of accidents. The traditional start-up and shutdown state management of thermal pow...

AI Technical Summary

Problems solved by technology

There are mainly three problems in the current management method: 1) The amount of original data is large, and manual monitoring, collection, and reporting of information are time-consuming and work-intensive, resulting in missed reports and false positives; Failure to report in time after a failure brings pressure on dispatching and power balance; 3) The accuracy of data reporting is insufficient, and the cause of unit shutdown cannot be directly diagnosed based on the feedback information, which brings interference to subsequent cause analysis and statistics

Images