The electric field of the sliding contact during the interaction of the pantograph and the contact wire

Bayanov, I. M.; Badretdinov, Timur; Muminov, Sardor; Karimov, Islom; Saydivaliev, Saidaziz; Saliyev, Elyor

doi:10.1051/e3sconf/202126404029

Cited by 5 publications

(5 citation statements)

References 2 publications

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“…In the diаgrаm, the T аnd K tension is аpplied to the suspension wires, equаl to the double tension of the cаrrier cаble аnd the contаct wire respectively. The resilient elements аre rigid, independent of, the аmount of force аpplied to the retаiner, which, аccording to the results of experiments, is quite reasonable [6][7][8][9][10]. The tension of eаch of the wires will be considered constаnt, independent of the pressure of the current collector, аnd the loаd from the weight of the contаct wires evenly distributed аlong the spаn.…”

Section: Results and Their Discussionmentioning

confidence: 80%

“…Expressions ( 7) -(12) form а complete system of recurrent relаtionships of the DMM method for а flexible threаd. The simulаtion is limited to determining the vаlues of the trаnsverse velocities аnd forces аt the current time stаge by substitution in (7) to (12) known externаl forces, аs well аs the pаrаmeters of the cаpitаl 𝑄 0 аnd 𝑊 0 , determining the stаte of eаch element аt the previous stаge.…”

Section: Results and Their Discussionmentioning

confidence: 99%

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Application of the method of direct mathematical modeling to diamond-shaped contact lines

Amirov,

Karimov,

Abduazimova

2023

E3S Web of Conf.

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The article describes the application of the numerical method to the investigation of the dynamic interaction of contact lines with current collectors of electric rolling stock (ERS). The law of joint movement of the runner and the contact wire shall be established. If agap is recorded at anystage, the pressure value is set to zero. From this point on, the flux and contact wire are modeled independently. The contact wire shall be touched by the current collector by the clearance δ. As arule, the introduction into contact is accompaniedbytheintroduction of acurrent collector into the contact wire, which is characterized by negative clearance δ<0. To compensate for the introduction atthepointof contact, there must be an additional «push» force defined by the condition of zero clearance at the end of the stage.

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Section: Results and Their Discussionmentioning

confidence: 80%

Section: Results and Their Discussionmentioning

confidence: 99%

Application of the method of direct mathematical modeling to diamond-shaped contact lines

Amirov,

Karimov,

Abduazimova

2023

E3S Web of Conf.

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“…where 𝐸𝐸 𝑐𝑐𝑙𝑙 -efficiency of the communication line in a centralized system; 𝐸𝐸 𝑖𝑖𝑙𝑙 -the efficiency of the communication line in a multi-level hierarchical system, respectively equal to [5]:…”

Section: Methodsmentioning

confidence: 99%

“…The technical and economic criteria for the optimum information and measurement system (IMS) for the functional diagnostics of traction power units integrated with the existing operational control system can be evaluated in several ways [1][2][3] For example, the economic measure of IMS efficiency is the best value for money measure with maximum reliability [4,5].…”

Section: Introductionmentioning

confidence: 99%

Structure and distribution of function between the stages of the information and measurement system for diagnostics of traction substations and contact network installations

2023

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The article presents the results of the study of the multistage information-measuring system (IMS) of the diagnostic of traction power supply objects combined with the operational-dispatch control allowing to ensure reliability, attributing to unit value of the IMS. Taking into account the introduction of functional redundancy in the structure of duplicate channels of diagnostics of each stage. he upper level of the complex should maintain processing of information received more frequently from previous devices and issue of certain tasks to the operating personnel for the work of maintenance according to the actual condition of the diagnosed facility. Based on mathematical models of reliability of primary converters and information processing devices on probabilistic indicators. The functional block-circuits of the multi-stage IMS for obtaining and converting information on the example of power transformer diagnostics and contact network devices are disclosed. It has been shown that, given the vulnerability of communication channels, it is advisable to transmit information in large flows, for example, related to spectral analysis, to process at the lower stages of the IMS, and through communication channels to transmit their integral indicators.

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“…In the railway network in Europe, a large number of pantographs of different lengths of pantograph heads are in use, and in the same country, depending on the type of line (conventional or high-speed network), or on the same line, several types of pantographs can be used [1][2][3][4][5][6][7][8][9]: 1600mm -France, Great Britain, Portugal, Switzerland, Norway, Italy, the Netherlands, Germany, Austria, Croatia, Serbia;…”

Section: Introductionmentioning

confidence: 99%

Compatibility Study of Pantographs with Head Length 1600mm and 1950mm

Song¹

2022

AJTTE

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A study of European railroad systems revealed that a large number of pantographs of different lengths are used in Europe, and even in the same country, multiple types of pantographs are allowed depending on the type of line. For example, France is using the type of pantographs of 1600 mm, Norway is using the type of pantographs of 1800 mm, Austria is using the type of pantographs of 1950 mm, Estonia is using the type of pantographs of 2000 mm or 2200mm. Different lengths of pantographs have certain influence on railroad design, and various factors such as pull-out value, locator length and turnout arrangement need to be considered during contact network plan design. At the same time, different countries have their own independent requirements for pantograph types in addition to the European standards that must be met. In this paper, the use of pantograph type is analyzed through the investigation and study of a section of railroad in Serbia, and the possibility of using 1950 mm pantograph in Serbian railroad is explored. Ultimately, through practical investigation and theoretical analysis, we concluded that there was no problem in using a 1950mm pantograph in Serbia. In addition to the influence factors mentioned in the paper, the actual design also needs to consider the problem of connecting with the existing line.

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The electric field of the sliding contact during the interaction of the pantograph and the contact wire

Cited by 5 publications

References 2 publications

Application of the method of direct mathematical modeling to diamond-shaped contact lines

Application of the method of direct mathematical modeling to diamond-shaped contact lines

Structure and distribution of function between the stages of the information and measurement system for diagnostics of traction substations and contact network installations

Compatibility Study of Pantographs with Head Length 1600mm and 1950mm

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