№ 10 (103)
UNIVERSUM:
ТЕХНИЧЕСКИЕ НАУКИ
октябрь, 2022 г.
TO THE EFFICIENCY OF USING ELECTRIC LOCOMOTIVES 3VL80S ON THE HILLY - MOUNTAINOUS SECTION OF THE RAILWAY
Oleg Ablyalimov
Candidate of Technical Sciences, professor, professor of the chair «Loœmotives and locomotive economy» Tashkent state transpоrt university, Republic of Uzbekistan, Tashkent E-mail: o. ablyalimov@gmail.com
Jasurbek Yakubov
Master, аssistant
of the chair «Loœmotives and locomotive ßconomy» Tashkent state transpоrt university, Republic of Uzbekistan, Tashkent E-mail: yarubovjasur517@gmail.com
Anna Avdeyeva
Candidate of Technical Sciences, associate professor of the chair «Materials science and mechanical engineering» Tashkent state transpоrt university, Republic of Uzbekistan, Tashkent E-mail: nyusik22@mail.ru
Khusan Kosimov
Senior lecturer
of the chair «Loœmotives and locomotive ßconomy» Tashkent state transpоrt university, Republic of Uzbekistan, Tashkent E-mail: qosimov husan@mail.ru
Utkir Safarov
Master, аssistant
of the chair «Loœmotives and locomotive ßconomy» Tashkent state transpоrt university, Republic of Uzbekistan, Tashkent E-mail: utkirsafarov104@gmail.com
К ЭФФЕКТИВНОСТИ ИСПОЛЬЗОВАНИЯ ЭЛЕКТРОВОЗОВ 3ВЛ80С НА ХОЛМИСТО - ГОРНОМ УЧАСТКЕ ЖЕЛЕЗНОЙ ДОРОГИ
Аблялимов Олег Сергеевич
канд. техн. наук, проф., проф. кафедры «Локомотивы и локомотивное хозяйство» Ташкентский государственный транспортный университет,
Республика Узбекистан, г. Ташкент
Якубов Жасурбек Камолиддинович
магистр,
ассистент кафедры «Локомотивы и локомотивное хозяйство» Ташкентский государственный транспортный университет,
Республика Узбекистан, г. Ташкент
Авдеева Анна Николаевна
канд. техн. наук,
доцент кафедры «Материаловедение и машиностроение» Ташкентский государственный транспортный университет,
Республика Узбекистан, г. Ташкент
Библиографическое описание: TO THE EFFICIENCY OF USING ELECTRIC LOCOMOTIVES 3VL80S ON THE HILLY - MOUNTAINOUS SECTION OF THE RAILWAY // Universum: технические науки : электрон. научн. журн. Ablyalimov O.S. [и др.]. 2022. 10(103). URL: https://7universum. com/ru/tech/archive/item/1435 7
№ 10 (103)
UNIVERSUM:
ТЕХНИЧЕСКИЕ НАУКИ
октябрь, 2022 г.
Косимое Хусан Рахматуллаевич
ст. преподаватель кафедры «Локомотивы и локомотивное хозяйство» Ташкентский государственный транспортный университет,
Республика Узбекистан, г. Ташкент
Сафарое Уткир Истамоеич
магистр,
ассистент кафедры «Локомотивы и локомотивное хозяйство» Ташкентский государственный транспортный университет,
Республика Узбекистан, г. Ташкент
ABSTRACT
The results of studies on the assessment of the energy efficiency of the use of 3VL80S electric locomotives on a hilly-mountainous section of the railway track when freight trains move without stops and with stops at intermediate stations, sidings and separate points are presented.
АННОТАЦИЯ
Представлены результаты исследований по оценке энергетической эффективности использования электровозов 3VL80S на холмисто - горном участке железнодорожного пути при движении грузовых поездов без остановок и с остановками на промежуточных станциях, разъездах и раздельных пунктах.
Keywords: freight train, electric locomotive, railway, parameter, station, time, speed, traction calculation, hilly-mountainous, stop, expense.
Ключевые слова: грузовой поезд, электровоз, железная дорога, параметр, станция, время, скорость, тяговый расчёт, холмисто - горный, остановка, расход.
The present studies are a logical continuation of the works [1,2] and are devoted to determining the kinematic parameters of the movement of freight trains and the parameters of the main indicators of the transportation work of the main (train) three-section electric locomotives 3VL80S on the hilly-mountainous section of Marokand - Navoi of the Uzbek railway. The driving of freight trains with the maximum train mass Q = 3500 t for the studied railway direction and the number of axles in the train m = 200 axles was organized by the mentioned 3VL80S electric locomotives without stops and with stops at intermediate stations, sidings and separate points.
The implementation of the research goal was carried out by performing a "classical" traction calculation, using the nominal position of the controller of the driver of the studied electric locomotive in combination with idling and braking modes, the initial data [1,3] and recommendations [4-6] of the theory of locomotive traction.
The results of the traction calculation are given in table. 1 and table. 2, where the values of some kinematic parameters of the movement of freight trains along the hauls of the hilly - mountainous section of Marokand -Navoi of "O'zbekiston temir yo'llari" JSC are indicated.
Table 1.
The travel time of a freight train for hauls per passage, intermediate stations, sidings and separate points for deceleration - acceleration
№ in order Intermediate stations Distance, km Travel time, min Deceleration time/ acceleration, min
1 Marokand - - -/2,00
2 Juma 8,75 7,80 1,40/1,00
3 Nurbulak 29,00 23,15 1,15/0,60
4 Kattakurgan 24,00 18,65 1,10/0,65
5 Siding № 28 11,25 9,35 0,85/0,80
6 Zirabulak 16,85 14,20 1,30/1,00
7 Ziyovuddin 27,15 19,00 1,50/1,40
8 Navoi 23,50 16,70 1,40/-
Jami 140,5 108,85 1,24/1,06
№ 10 (103)
UNIVERSUM:
ТЕХНИЧЕСКИЕ НАУКИ
октябрь, 2022 г.
Table 2.
Distribution of the travel time of a freight train in the organization of transportation work electric locomotives 3VL80S on the hilly-mountain section of Marokand-Navoi
№ in Hauls Train time of a freight train (without stops / with stops), min
order on the haul in mode
traction idling and braking
1 Marokand - Juma 7,80I9,00 3,30I2,30 4,50/6,70
2 Juma - Nurbulak 23,15/24,90 3,00I4,50 20,15/20,40
3 Nurbulak - Kattakurgan 18,65/19,55 3,85I4,10 14,80/15,45
4 Kattakurgan - Siding № 28 9,35/10,80 2,20I3,75 7,15/7,05
5 Siding № 28- Zirabulak 14,20/15,60 6,30I6,30 7,90/9,30
6 Zirabulak - Ziyovuddin 19,00/21,20 4,40I5,65 14,60/15,55
7 Ziyovuddin - Navoi 16,70/19,40 4,30I6,80 12,40/12,60
Marokand - Navoi 108,85I120,45 27,35I33,40 81,50/87,05
The mentioned movement was carried out by main (train) cargo three-section electric locomotives 3VL80S, taking into account the realization of the maximum possible power of power energy systems and traction qualities (properties) of the locomotive, as well as the kinetic energy of the train on each specific element of the track profile.
Analysis data table. 1 and table. 2 shows that the movement of freight trains on a given hilly-mountainous section of the railway, organized with stops at intermediate stations, sidings and separate points in relation to similar movement without stops at them, provides:
• an increase in the total time of the train by 11.6 minutes with a decrease in the technical speed of movement by 7.3 km/h with an average estimated time per stop of about 1.66 minutes;
• the values of the shares of movement in traction modes by 27.73 percent, and idling and braking by 72.27 percent;
• decrease - increase, respectively, of the shares of movement in the modes of traction, idling and braking by about 2.6 percent.
In table. 3 shows the values of the total (full) and specific consumption of electrical energy, which was spent by the main (train) freight three-section electric locomotive 3VL80S in the process of organizing the movement of only its (specific) freight train along the hauls of the hilly-mountainous section of Marokand -Navoi of the Uzbek railway.
The values of the total (total) and specific consumption of electrical energy, indicated in table. 3, were determined (calculated) according to well-known formulas [4-6] taking into account the integral curves we previously constructed for the speed V (S) and travel time t (S) of the train, current I (S) for the electric locomotive under study on the aforementioned hilly - mountain section of the railway.
Table 3.
Consumption of electrical energy by 3VL80S electric locomotives during the movement of a freight train along the stretches of the hilly-mountainous section of Marokand - Navoi
№ in order Hauls Total for hauls and section A, kWh Specifics for hauls and section a, Wh/tkm gross
without stops with stops
1 Marokand - Juma 396,49/12,99 406,98/13,33
2 Juma - Nurbulak 514,54/5,15 847,44/8,49
3 Nurbulak - Kattakurgan 523,70/6,21 693,70/8,22
4 Kattakurgan - Raz'ezd № 28 414,45/10,84 595,60/15,58
5 Raz'ezd № 28- Zirabulak 998,18/20,07 1009,55/20,30
6 Zirabulak - Ziyovuddin 773,46/8,14 893,37/9,41
7 Ziyovuddin - Navoi 675,74/8,15 1031,06/12,13
Marokand - Navoi 4296,49/8,92 5477,70/11,38
On fig. 1 shows a diagram of the distribution of the average time of movement of a freight train along the hauls, taking into account the various modes of operation of the power energy systems of electric
locomotives 3VL80S, when they organize rail transportation of goods on the hilly-mountainous section of Marokand - Navoi "O'zbekiston temir yo'llari" JSC.
№ 10 (103)
UNIVERSUM:
ТЕХНИЧЕСКИЕ НАУКИ
октябрь, 2022 г.
Figure 1. Distribution of the average travel time of a freight train along the stretches of the hilly - mountainous section of Marokand - Navoi
On fig. 2 shows the distribution diagram of the averaged total (total) and specific consumption of electrical energy for hauls of the hilly - mountainous section
of Marokand - Navoi, spent by the main (train) three-section electric locomotives 3VL80S for organizing the movement of freight trains in real operating conditions.
Figure 2. Dynamics of the average consumption of electric energy by electric locomotives 3VL80S along the stretches of the hilly - mountainous section of Marokand - Navoi
On fig. 2 the average value of the specific consumption of electrical energy by the main (train) three-section freight electric locomotives 3VL80S has been increased thirty times.
As a result of our research, the following values were obtained for the parameters of some of the main indicators of the transportation work of the main (train) three-section electric locomotives 3VL80S on the hilly-mountainous section of Marokand - Navoi "O'zbekiston temir yo'llari" JSC:
• the average estimated net travel time of a freight train along the hauls and the total acceleration-deceleration time at intermediate stations, sidings and separate
points, respectively, is approximately 15.55 and 2.3 minutes;
• driving freight trains with stops at intermediate stations, sidings and separate points, in comparison with similar driving without stops at the latter, provides an increase in electrical energy consumption, on average, by approximately 27.49 percent;
• the consumption of electrical energy for one stop at intermediate separate points is approximately 168.74 kWh;
• specific consumption of electrical energy per stop is approximately 0.351 Wh / t km gross;
№ 10 (103)
UNIVERSUM:
ТЕХНИЧЕСКИЕ НАУКИ
октябрь, 2022 г.
• the average value of the average value of the total (total) and specific consumption of electrical energy for both types of traffic on each stage of the section, respectively, is approximately 698.16 kWh and 1.45 Wh/t km gross.
• the average value of the total (total) and specific consumption of electrical energy for each stage of the section, respectively, is 613.78 kWh and 1.274 Wh / t km gross - movement without stops at intermediate stations, sidings and separate points, as well as 782.53 kWh and 1.626 Wh/t gross km - traffic with stops at the latter;
The kinematic parameters of the movement of a freight train and the values of the consumption of electrical energy consumed by the main (train) freight three-section electric locomotives 3VL80S in the process of implementing rail transportation of goods of different content and structure on the hilly-mountainous section of Marokand - Navoi are recommended to specialists of the locomotive depot operation shop Bukhara of "Uzbekistan" temir yo'llari" JSC. And, they can be used in the practice of the work of machinists - instructors in heat engineering, who are involved in the development of regime maps for driving freight trains on real hilly -mountainous and other virtual railway sections identical to them.
Reference:
1. Ablyalimov O.S. Study of the transportation work of electric locomotives 3VL80S on the hilly-mountainous section of "O'zbekiston temir yo'llari" JSC [Text] / O.S. Ablyalimov // Scientific and technical journal "Bulletin of transport of the Volga region" / Samara state. University of Communications. - Samara, 2016. No. 5 (59) - P. 16 - 22.
2. Ablyalimov O.S. To the study of the operation of electric locomotives on a hilly - mountainous section of the railway [Text] / O.S. Ablyalimov, A.P. Vohidov, I.R. Omonov // I International Scientific and Practical Conference " Locomotives. Gas engine fuel. (Problems. Solutions. Prospects)" / Samara State University. University of Communications. - Samara, 2016. - S. 37 - 42.
3. Ablyalimov O.S. Study of the operation of diesel locomotives UzTE16M3 on a hilly-mountainous section of JSC "O'zbekiston temir yo'llari" JSC [Text] / O.S. Ablyalimov // Scientific and technical journal "Bulletin of transport of the Volga region" / Samara state. University of Communications. - Samara, 2016. No. 3 (57) - P. 16 - 22.
4. Ablyalimov O.S. Fundamentals of locomotive management [Text] / O.S. Ablyalimov, E.S. Ushakov // Textbook for professional colleges of railway transport. - Tashkent: "Davr", 2012. - 392 p.
5. Deev V.V. Traction of trains [Text] / V.V. Deev, G.A. Ilyin, G.S. Afonin // Textbook for universities. - M. : Transport, 1987. - 264 p.
6. Kuzmich V.D., Theory of locomotive traction [Text] / V. D Kuzmich, V.S. Rudnev, S. Ya. Frenkel // Textbook for universities of railway transport. - M .: Route, 2005. - 448 p.