On the efficiency of pulse supply of the working environment in water supply systems
DOI:
https://doi.org/10.31498/2225-6733.38.2019.181294Keywords:
load schedules, pump station, pump, working medium, energy, battery, pulse (cyclic, step) regulation, efficiencyAbstract
Practical applications of previously obtained theoretical results on the use of pulsed (cyclic) connection of pumps operating on a network to cover substantially variable loads of a pumping station are considered. The analysis of the efficiency of pumping stations with various units of pumping units and the parameters of water supply systems at variable loads based on the analysis of the developed mathematical dynamic model of the production and distribution of the working medium (water) has been carried out. The resulting engineering theory also served as the basis for the development of algorithms for optimizing the supercharger feed control system by transferring it to idle, including by deep throttling, with step regulation or with the drive motor completely turned off, to analyze the operation of the pumping station in variable modes while covering uneven load schedules with an estimate of the energy consumption, in order to determine and increase the economic efficiency of using different pump equipment in the proposed modes. Rational layout of the pumping equipment, effective values of the duration of the pulses of the working medium supply by the units of the pumping station and the pause between pulses, as well as the duty cycle of the pulses using various blocks of pumping equipment have been determined depending on the capacity of the network, accumulating devices and the liquid consumption. An important characteristic of the reliability of the «electric drive-pump» system is the frequency of cycles that limit the number of regulated starts of electric motors of the corresponding power. The significant influence of the listed factors and the specified functional parameters on the characteristics of the pulse connection of the superchargers and the intensity of the energy supply at variable loads is shown. It is characteristic of the process that when comparing different pulse supply modes (with and without idle), the more preferable mode is the mode with the pumps completely disconnected from the network. As this takes place, the efficiency increases with the increase in the number of operating units and reaches 15% in comparison with the traditional way of supplying a working medium to cover the variable loads of the station. The results obtained can also be useful for solving optimization problems during the operation of a pumping station in variable modes when covering its annual load schedules. This approach and the solutions presented can be extended to other classes of injection stations with compressors or fans that use gas as a working medium to cover uneven loads of the injection stationsReferences
Список использованных источников (ГОСТ):
Бондаренко Г.А. Инженерная теория регулирования винтовых компрессоров перево-дом на холостой ход / Г.А. Бондаренко // Вісник Сумського державного університету. – 2003. – № 3 (49). – С. 63-71. – (Серія : Технічні науки).
Бондаренко Г.А. Некоторые особенности работы компрессоров на пневмосеть / Г.А. Бондаренко, В.В. Шишов // Проектирование и моделирование. Компрессорное и энергетическое машиностроение. – 2008. – № 1 (11). – С. 62-65.
Бондаренко Г.А. Винтовые компрессоры в системах обеспечения сжатым воздухом / Г.А. Бондаренко, П.Е. Жарков. – Сумы: СумГУ. – 2003. – 130 с.
Бондаренко Г.А. Винтовые воздушные компрессорные станции / Г.А. Бондаренко. – Сумы : СумГУ, 2003. – 245 с.
Штейнмиллер О.А. Статическая и полирежимная оптимизация параметров насосного оборудования системы «районная насосная станция – абонентская сеть» / О.А. Штейн-миллер, А.Н. Ким // Вестник гражданских инженеров. – 2009. – № 2 (19). – С. 41-45.
Штейнмиллер О.А. Численные методы решения задачи оптимального синтеза повысительных систем подачи и распределения воды микрорайона / О.А. Штейнмиллер // Вестник гражданских инженеров. – 2009. – № 4 (21). – С. 81-87.
Сумароков С.В. Математическое моделирование систем водоснабжения / С.В. Сумаро-ков. – Новосибирск : Наука, 1983. – 167 с.
Штейнмиллер О.А. Задача оптимального синтеза повысительных систем подачи и распределения воды (СПРВ) микрорайона / О.А. Штейнмиллер, А.Н. Ким // Вестник гражданских инженеров. – 2009. – № 1 (18). – С. 80-84.
Копытин А.Н. Современные подходы в определении эффективности работы насосных агрегатов / А.Н. Копытин, О.Ю. Царинник // Сантехника, отопление, кондиционирование. – 2007. – № 8. – С. 14-16.
Костин В.И. Регулирование производительности нагнетателей при смешанной схеме совместной работы / В.И. Костин // Известия ВУЗов. Строительство. – Новосибирск, 2006. – № 6. – С. 61-64.
Абрамов Н.Н. Теория и методика расчета систем подачи и распределения воды / Н.Н. Абрамов. – М. : Стройиздат, 1972. – 288 с.
Sarbu I. Energetic optimization of water pumping in distribution systems / I. Sarbu, I. Borza // Periodica Polytechnica. – 1998. – Vol. 42, № 2. – Pp. 141-152. – (Series : Mechanical Engineering).
Variable speed drive-based pressure optimization of a pumping system comprising individual branch flow control elements / J. Tamminen, T. Ahonen, A. Kosonen, J. Ahola, J. Tolvanen // 16th European Conference on Power Electronics and Applications (26-28 August 2014; Lappeenranta, Finland). – 2014. – Pp. 1-11. – Mode of access: DOI: 10.1109/EPE.2014.6910988.
Vodovozov V. Circulation centrifugal pump with variable speed drives and minimal electric-ity consumption / V. Vodovozov, L. Gevorkov, Z. Raud, // 11th IEEE International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG) (4-6 April 2017; Cadiz, Spain). – 2017. – Pp. 334-339. – Mode of access: DOI: 10.1109/CPE.2017.7915193.
Market Transformation of Energy-Efficient Technologies in the EU / A.T. Almeida, P. Fonseca, H. Falkner, P. Bertoldi // Energy Policy. – 2003. – Vol. 31. – Pp. 563-575. – Mode of access: DOI: 10.1016/S0301-4215(02)00100-3.
Frequency-Converter-Based Hybrid Estimation Method for the Centrifugal Pump Operational State / T. Ahonen, J. Tamminen, J. Ahola, J. Kestilä // IEEE Transactions on Industrial Electronics. – 2012. – Vol. 59. – Pp. 4803-4809. – Mode of access: DOI: 10.1109/TIE.2011.2176692.
Лухтура Ф.И. О применении импульсной подачи рабочей среды в системы водоснабжения / Ф.И. Лухтура, М.В. Медведева // Вісник Національного технічного університету «Харківський політехнічний інститут». – Харків : НТУ «ХПІ». – 2019. – № 5 (1330). – С. 48-57. – (Серія : Нові рішення в сучасних технологіях). – Режим доступу: DOI: 10.20998/2413-4295.2019.05.07.
О повышении эффективности работы нагнетательных станций / Ф.И. Лухтура, Н.В. Карнаух, М.В. Медведева, В.Ю. Ивашин // Вісник Приазовського державного технічного університету. – 2018. – Вип. 37. – С.61-74. – (Серія : Технічні науки). – Режим доступу: DOI: 10.31498/2225-6733.37.2018.160239.
References:
Bondarenko G.A. Inzhenernaya teoriya regulirovaniya vintovykh kompressorov perevodom na kholostoy khod [Engineering theory of regulation of screw compressors by transfer to idle]. Vísnik Sums’kogo derzhavnogo uníversitetu – The Sumy State University Bulletin, 2003, no. 3 (49), pp. 63-71. (Rus.)
Bondarenko G.A., Shishov V.V. Nekotoryye osobennosti raboty kompressorov na pnevmoset’ [Some features of the operation of compressors on the pneumatic network]. Proyektirovaniye i modelirovaniye. Kompressornoye i energeticheskoye mashinostroyeniye – Design and modeling. Compressor and power engineering, 2008, no. 1 (11), pp. 62-65. (Rus.)
Bondarenko G.A., Zharkov P.E. Vintovyye kompressory v sistemakh obespecheniya szhatym vozdukhom [Screw compressors in compressed air supply systems]. Sumy, SumGU Publ., 2003. 130 р. (Rus.)
Bondarenko G.A. Vintovyye vozdushnyye kompressornyye stantsii [Screw air compressor stations]. Sumy, SumGU Publ., 2003. 245 р. (Rus.)
Shteynmiller O.A., Kim A.N. Staticheskaya i polirezhimnaya optimizatsiya parametrov nasosnogo oborudovaniya sistemy «rayonnaya nasosnaya stantsiya – abonentskaya set’» [Static and multi-mode optimization of the parameters of the pumping equipment of the system «district pumping station – subscriber network»]. Vestnik grazhdanskikh inzhenerov – Bulletin of Civil Engineers, 2009, no. 2 (19), pp. 41-45. (Rus.)
Shteynmiller O.A. Chislennyye metody resheniya zadachi optimal’nogo sinteza povysitel’nykh sistem podachi i raspredeleniya vody mikrorayona [Numerical methods for solving the problem of optimal synthesis of upgrading water supply and distribution systems in a microdistrict]. Vestnik grazhdanskikh inzhenerov – Bulletin of Civil Engineers, 2009, no. 4 (21), pp. 81-87. (Rus.)
Sumarokov S.V. Matematicheskoye modelirovaniye sistem vodosnabzheniya [Mathematical modeling of water supply systems]. Novosibirsk, Nauka Publ., 1983. 167 p. (Rus.)
Shteynmiller O.A., Kim A.N. Zadacha optimal’nogo sinteza povysitel’nykh sistem podachi i raspredeleniya vody (SPRV) mikrorayona [The task of optimal synthesis of upgrading water supply and distribution systems (SPRV) of the microdistrict]. Vestnik grazhdanskikh inzhenerov – Bulletin of Civil Engineers, 2009, no. 1 (18), pp. 80-84. (Rus.)
Kopytin A.N., Tsarinnik O.Yu. Sovremennyye podkhody v opredelenii effektivnosti raboty nasosnykh agregatov [Regulation of supercharger performance with a mixed scheme of joint work]. Santekhnika, otopleniye, konditsionirovaniye – Plumbing, heating, air conditioning, 2007, no. 8, pp. 14-16. (Rus.)
Kostin V.I. Regulirovaniye proizvoditel'nosti nagnetateley pri smeshannoy skheme sovmestnoy raboty [Regulation of supercharger performance with a mixed scheme of joint work]. Izvestiya vuzov. Stroitel’stvo – News of universities. Building, 2006, no. 6, pp. 61-64. (Rus.)
Abramov N.N. Teoriya i metodika rascheta sistem podachi i raspredeleniya vody [Theory and method of calculating water supply and distribution systems]. Moscow, Stroyizdat Publ., 1972. 288 p. (Rus.)
Sarbu I., Borza I. Energetic optimization of water pumping in distribution systems. Periodica Polytechnica. Series: Mechanical Engineering, 1998, no. 42, vol. 2, pp. 141-152.
Tamminen J., Ahonen T., Kosonen A., Ahola J., Tolvanen J. Variable speed drive-based pressure optimization of a pumping system comprising individual branch flow control elements. 16th European Conference on Power Electronics and Applications, Lappeenranta, Finland, 2014, pp. 1-11. doi: 10.1109/EPE.2014.6910988.
Vodovozov V., Gevorkov L., Raud Z. Circulation centrifugal pump with variable speed drives and minimal electricity consumption. 11th IEEE International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG), Cadiz, Spain, 2017, pp. 334-339. doi: 10.1109/CPE.2017.7915193.
Almeida A.T., Fonseca P., Falkner H., Bertoldi P. Market Transformation of Energy-Efficient Technologies in the EU. Energy Policy, 2003, no. 31, pp. 563-575. doi: 10.1016/S0301-4215(02)00100-3.
Ahonen T., Tamminen J., Ahola J., Kestilä J. Frequency-Converter-Based Hybrid Estimation Method for the Centrifugal Pump Operational State. IEEE Transactions on Industrial Electronics, 2012, no. 59, pp. 4803-4809. doi: 10.1109/TIE.2011.2176692.
Lukhtura F. I., Medvedeva M.V. O prymenenyy ympul’snoy podachy rabochey sredy v systemy vodosnabzhenyya [On the application of pulsed supply of a working medium to water supply systems]. Visnyk Natsional’noho tekhnichnoho universytetu «Kharkivs’kyy politekhnichnyy instytut». Seriya: Novi rishennya v suchasnykh tekhnolohiyakh – Bulletin of the National Technical University «Kharkiv Polytechnic Institute». Series: New solutions in modern technologies, 2019, no. 5 (1330), pp. 48-57. doi: 10.20998/2413-4295.2019.05.07. (Rus.)
Lukhtura F.I., Karnaukh N.V., Medvedeva M.V., Ivashin V.Yu. O povyshenyy éffektyvnosty raboty nahnetatel’nykh stantsyy [On increasing the efficiency of injection stations]. Visnyk Pryazovs’koho derzhavnoho tekhnichnoho universytetu. Seriya: Tekhnichni nauky – Reporter of the Priazovskyi State Technical University. Section: Technіcal sciences, 2018, iss. 37, pp. 61-74. doi: 10.31498/2225-6733.37.2018.160239. (Rus.)
Downloads
How to Cite
Issue
Section
License
The journal «Reporter of the Priazovskyi State Technical University. Section: Technical sciences» is published under the CC BY license (Attribution License).
This license allows for the distribution, editing, modification, and use of the work as a basis for derivative works, even for commercial purposes, provided that proper attribution is given. It is the most flexible of all available licenses and is recommended for maximum dissemination and use of non-restricted materials.
Authors who publish in this journal agree to the following terms:
1. Authors retain the copyright of their work and grant the journal the right of first publication under the terms of the Creative Commons Attribution License (CC BY). This license allows others to freely distribute the published work, provided that proper attribution is given to the original authors and the first publication of the work in this journal is acknowledged.
2. Authors are allowed to enter into separate, additional agreements for non-exclusive distribution of the work in the same form as published in this journal (e.g., depositing it in an institutional repository or including it in a monograph), provided that a reference to the first publication in this journal is maintained.
