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Analysis of the operation of a turbine generator of a thermal power plant

Analysis of the operation of a turbine generator of a thermal power plant

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Energy holding company operating thermal power plants

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Analysis of the operation of a turbine generator of a thermal power plant

Problem

Unexpected failures and emergency shutdowns of the turbine generator
High costs of the fines for electricity undersupply and equipment emergency repair
Necessity to extend the equipment life

Tasks

Determining the relevant parameters to assess the turbine generator technical condition

Identifying the causes of equipment failures

Developing a predictive analysis model for a turbine generator and identifying the opportunities to improve the power equipment efficiency, reduce operating and capital costs, and reduce the downtime number

Features of the project

Necessity to identify the equipment failure causes on the basis of historical data.

Solution

The solution implements

Collects, processes and stores telemetry data from equipment sensors
Ensures the engineering and mathematical model operation for units and assemblies
Assesses and forecasts the equipment "health index"

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How the solution works

Analyzing the historical turbine generator data
Determining the turbine generator relevant parameters
Analyzing the stator current change before failure
Building a linear stator winding temperature regression from the turbine generator full power based on the data for one month of normal operation
Comparing actual and calculated temperatures for the entire provided selection of values
Identifying anomalies and determining failure causes
Predicting failures in other nodes based on the detected patterns

Business effect

Preventing equipment failures
Extending equipment life
Possibility of detecting hidden defects 1.5 years before failure
Reducing the cost of fines and repairs – RUB 140 million

Analysis of the operation of a turbine generator of a thermal power plant

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