Open AccessANALYSIS OF OPTIMUM INTERVALS OF CHECKING THE OPERATING CONDITION OF FREQUENCY ROTATION REGULATORS
Author(s) -
Victor Kochergin
Publication year - 2017
Publication title -
vestnik astrahanskogo gosudarstvennogo tehničeskogo universiteta. seriâ: morskaâ tehnika i tehnologiâ
Language(s) - English
Resource type - Journals
eISSN - 2225-0352
pISSN - 2073-1574
DOI - 10.24143/2073-1574-2017-4-72-79
Subject(s) - reliability (semiconductor) , reliability engineering , power (physics) , probabilistic logic , control (management) , rotation (mathematics) , control theory (sociology) , engineering , computer science , control engineering , operations research , physics , quantum mechanics , artificial intelligence
The article shows the need of optimization of control in order to provide proper running characteristics and reduce costs of operational checks on the example of frequency rotation regulators of the marine power plants. Classification of the main failures of frequency rotation regulators has been given. For selecting diagnostic parameters under continuous or discrete control of operational condition there are used two techniques. The first technique is based on the assessment of efficiency of continuous control by the analysis of amount of specific probabilistic expenses. The second one implies choosing diagnostic parameters by means of priority of control over structural parameters of technical condition. Making the list of controlled parameters of operational state of power plants was based on the data on diesel engines reliability of Ч (ЧН) 15/18 family. Design values and non-constructive parameters were ranked in order to prevent emergency stop of the engine. According to the experts, characteristics of the fuel system and the system of automatic regulation of rotary speed are of top priority in the aspect of operational condition control. Results of calculations made using special software showed that the greater service frequency of the regulator, the greater total costs of monitoring procedure. The recommended service regularityfor a frequency rotation regulator is every 300 hours.