scholarly journals Analysis of the power quality impact in power supply system of Urban railway passenger transportation – the city of Ulaanbaatar

2018 ◽  
Vol 177 ◽  
pp. 012024 ◽  
Author(s):  
V Z Manusov ◽  
U Bumtsend ◽  
Yu V Demin
Keyword(s):  
Power Quality ◽  
Power Supply ◽  
Power Supply System ◽  
Supply System ◽  
Passenger Transportation ◽  
Railway Passenger ◽  
The City

Adjusting Electricity Cost Depending on Power Supply Outages

2020 ◽  
Vol 67 (2) ◽  
pp. 44-50
Author(s):  
Vadim E. Bolshev ◽  
Aleksandr V. Vinogradov ◽  
Alina V. Vinogradova ◽  
Aleksey V. Bukreev ◽  
Aleksandr A. Lansberg
Keyword(s):  
Power Quality ◽  
Power Supply ◽  
Power Supply System ◽  
Economic Incentive ◽  
Supply System ◽  
Research Purpose ◽  
Electricity Cost ◽  
Economic Method ◽  
Urgent Task ◽  
Supply Reliability

During the functioning of power supply system, there can be situations where the culprit in interruptions of power supply to consumers and a power quality violation is a power supply company or a consumer himself. Therefore, the economic incentive for power supply companies and consumers to increase power supply reliability and power quality is an urgent task. To implement such incentives, it is necessary to control the facts and time of power supply outages and their values as well as cases and time of non-compliance of power quality with the requirements of standards. It is possible with the use of a monitoring system for power supply reliability and power quality. (Research purpose) The research purpose is in developing a technical and economic method for stimulating power supply companies and consumers to increase efficiency of power supply system. (Materials and methods) The article provides a review of the structural diagram of a system for monitoring power supply reliability and power quality including devices for monitoring the number and duration of power outages and voltage deviations. (Results and discussion). An economic method has been developed to stimulate power supply companies and consumers to increase power supply system efficiency. The essence of the method is to control the parameters of power supply reliability and power quality, identify the violation of these parameters, determine the culprit of the violation, determine the time characteristics of the violation, summarize the duration of violations for the reporting period, compare the actual amount of duration with the allowable one, determine the amount of compensation for the violation and impose sanctions on payment compensation by the perpetrators of violations of these parameters. The article presents an algorithm for adjusting the cost of electricity supplied to consumers depending on the number and duration of voltage deviations and the number and duration of outages. The algorithm serves to ensure the operation of the specified technical and economic method. (Conclusions) The algorithm works in conjunction with a system for monitoring power supply reliability and power quality based on signals from devices that control the number and duration of outages and voltage deviations.

The Study of Discharge Light on XLPE-SIR Composite Medium Interface

2013 ◽  
Vol 347-350 ◽  
pp. 1176-1181
Author(s):  
Xin Gang Chen ◽  
Chao Feng Zhang ◽  
Liang Gu ◽  
Mei Qing Cao
Keyword(s):  
Power Supply ◽  
Discharge Current ◽  
Power Supply System ◽  
Supply System ◽  
Power Cable ◽  
Medium Interface ◽  
Insulation Degradation ◽  
The Face ◽  
The City ◽  
Operational Aspect

The cross-linked polyethylene cable is largely used in power-supply system of the city. As the length of the power cable is concerned with the technology and construction, the center joint is largely employed, and the fault of the power cable is often found in the center joint. The discharge light has been seen on the face of the XPLE-SIR in work. The carbonization granule which appears after the discharge is the primary cause of the insulation degradation. A sample is designed, and the alternate electric-field rise on it to imitate the operational aspect. This paper analyses the relation of the discharge light, discharge current and carbonization granule. We find that it is feasible according to study the interface discharge light to deduce the characteristic of discharge and carbonization granule, and judge the degree of the interface insulation degradation.

scholarly journals Determination of Service Areas of Urban Transformer Substations and Distribution Using Geometrical Templates

2009 ◽  
Vol 46 (6) ◽  
pp. 16-26 ◽  
Author(s):  
S. Guseva ◽  
N. Skobeleva ◽  
N. Breners ◽  
O. Borscevskis
Keyword(s):  
Power Supply ◽  
Power Supply System ◽  
Supply System ◽  
Service Area ◽  
Rational Use ◽  
The Future ◽  
Service Areas ◽  
The City ◽  
Reconstruction Time

Determination of Service Areas of Urban Transformer Substations and Distribution Using Geometrical Templates In the work, a general and theoretically substantiated approach is proposed for the arrangement and determination of service areas for the future transformer substations (TSs). The modelling of TS service area has been performed, with geometrical templates designed to arrange TSs in the city building territory. The sizes of templates have been obtained depending on the TS capacity and load density in TS service area. The geometrical templates are to help in TS arrangement in view of rational use of the city territory and to re-arrange the existing stations for the reconstruction time. As a result, the urban power supply system will develop not chaotically but in a purposeful manner.

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