Abstract
The purpose of the study is to analyze the prospects for the development of loading methods for gas turbines as well as to develop a mathematical model that adequately describes the real operating conditions of the loading system at various loads and rotation speeds. A comparative analysis of the most common methods and technical means of loading the shafts of a free turbine at gas turbine plants intended for operation as part of gas pumping units is presented. Based on the results of the analysis, the expediency of using the loading model “Free Power Turbine Rotor–Hydraulic Brake” as a load simulation is shown. Recommendations for the creation of an automation system for the load testing of power plants have been developed. Mathematical models and Hardware-in-the-Loop simulation models of power plants have been developed and tested. One of the most important factors that predetermine the effectiveness of the loading principle is the possibility of software implementation of the loading means using software control systems that provide the specified loading parameters of the gas turbine.
Highlights
Minimizing the negative impact of energy systems on the environment, as well as reducing the technogenic impact on the ecosystem, are two of the key tasks on today’s agenda
Along with a software and hardware complex that provides automation of the test process, it is necessary to single out a system that provides load regulation
The most common type of loading device for testing gas turbine units (GTU) is a hydraulic brake, which does not require a large range of regulation in terms of effective power and revolutions, but has physical limitations associated with cavitation
Summary
Minimizing the negative impact of energy systems on the environment, as well as reducing the technogenic impact on the ecosystem, are two of the key tasks on today’s agenda. The improvement of gas transportation technologies is an integrated task—from the production of power plants to the development of advanced approaches to diagnostics, monitoring, and the control of test benches of power plants. A specific feature of the testing technology of gas turbine units (GTU) of gas pumping units (GPU) is the creation of a controlled load torque on the shaft of a free turbine (FT). Using a special loading unit—a loading device. This requires a significant investment of time and effort to prepare for testing—installation, alignment, preparation of test programs, calibration of sensors, etc. The issues of justifying the choice of the principle and the technical means of loading the gas turbine, as well as the control system of the storage device and measuring the parameters of the gas turbine during load tests, become very relevant
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