RU73745U1 - AUTOMATED SYSTEM OF COMMERCIAL AND TECHNICAL METERING OF ELECTRIC POWER - Google Patents

Abstract

The utility model relates to systems for monitoring and accounting processes associated with the use of energy resources, in particular, it can be used to account for the loss of electric energy and for predicting train work, electric power consumption and electric energy losses in the electric rolling stock circulation areas.

An automated system for commercial and technical metering of electricity consists of an automated device for commercial and technical metering of electricity, which includes meters for active and reactive energy of traction substations, a unit for collecting and transmitting data, a unit for collecting and integrating information, and a device for modeling the operation of a traction power supply system, consisting of unit for storage of passport and reference data, unit for database of traction power supply system parameters, unit for track database development of landfill sites, a database of current characteristics database, a database of speed characteristics database, a unit for calculating the traction power supply system, a unit for constructing instant circuits, a unit for correcting the operation of the system, a unit for monitoring the adequacy of the system, a unit for determining power losses, a unit for determining traction power consumption, and train control devices on the site.

A unit for predicting energy consumption has been introduced into an automated device for commercial and technical accounting of electricity, a unit for forecasting train operation has been introduced into a device for monitoring train work at a site, and an automated

a system for commercial and technical accounting of electricity; an additional unit for forecasting electricity losses has been introduced.

The proposed system allows not only to record electricity consumption and energy losses and to predict them, but it is also a self-regulating system, which minimizes electricity losses by 20%.

Description

The utility model relates to systems for monitoring and accounting processes associated with the use of energy resources, in particular, it can be used to account for the loss of electric energy and for predicting train work, electric power consumption and electric energy losses in the electric rolling stock circulation areas.

A well-known automated system for commercial and technical accounting of electricity, containing meters of active and reactive energy of traction substations, a data collection and transmission unit and a data collection and integration unit (Chirkov V.K. Automation of electricity metering in Russia and abroad АМР.30.00.00- 03).

The disadvantage of this system is the inability to account for the loss of electrical energy and the ability to predict the output parameters.

A well-known automated system for commercial and technical accounting of electricity, containing meters of active and reactive energy of traction substations, a data collection and transmission unit and a data collection and integration unit, a device for simulating the operation of the traction power supply system and a device for monitoring train work on the site (Utility Model Patent No. 37422 , IPC: 7G06F 17/60 Mitrofanov AN, Dobrynin EV, Garanin MA Automated system of commercial and technical metering of electricity, published on 04/20/04)

The disadvantage of this system is the inability to predict train work, energy consumption and energy losses.

This technical solution is selected as a prototype.

The technical result is the expansion of functionality by predicting train work, energy consumption and energy loss and the implementation of a self-regulation system.

The technical result is achieved by the fact that in an automated system of commercial and technical metering of electricity, consisting of an automated device for commercial and technical metering of electricity, which includes meters for active and reactive energy of traction substations, a data collection and transmission unit, a data collection and integration unit, from the device simulation of the operation of the traction power supply system, consisting of a storage unit of passport and reference data, a database unit of traction system parameters new power supply, a block of the database for the road development of landfill sites, a block of the database of current characteristics, a block of the database of speed characteristics, a unit for calculating the traction power supply system, a unit for constructing instantaneous circuits, a unit for correcting the operation of the system, a unit for monitoring the adequacy of the system, a unit for determining electricity losses, unit for determining traction power consumption and from the device for monitoring train work on the site. An electricity consumption forecasting unit with two inputs is additionally introduced into the automated device for commercial and technical metering of electricity; the first input of which is connected to the output of the unit for collecting and integrating information from an automated device for commercial and technical metering of electricity;

train forecasting unit, the first input of which is connected to the output of the train operation control device on the site, the second input is the output of the traction power supply system calculation unit, and has two outputs, its first output is connected to the power consumption forecasting unit, and into the automated commercial and technical system Electricity metering additionally introduced a unit for forecasting electricity losses, the first input of which is connected to the output of the device for modeling the operation of the traction system power supply, and the second input is connected to the output of the train control device on the site.

The introduction of a unit for forecasting energy consumption in an automated device for commercial and technical accounting of electricity allows you to get predicted values of electricity consumption in the device for monitoring train work at the site, the introduction of a unit for forecasting train work allows you to get a predicted schedule and a predicted schedule corresponding to the minimum losses and energy consumption, and introduction of a power loss prediction unit into an automated commercial system About and technical accounting of electricity allows you to get predicted values of electricity losses and expand the functionality of the system, carry out self-tuning and generally improve the quality of the metering, control and forecasting system in the areas of circulation of electric rolling stock.

Figure 1 - diagram of an automated system of commercial and technical metering of electricity.

An automated system for commercial and technical accounting of electricity contains an automated device for commercial and technical accounting of electricity 1, a device for modeling work

traction power supply systems 2, train operation control unit in section 3, active and reactive energy meters of traction substations 4, data collection and transmission unit 5, information collection and integration unit 6, passport and reference data storage unit 7, traction system parameters database unit power supply 8, the database block of the road development of landfill sites 9, the database of the current characteristics database 10, the database of the speed characteristics database 11, the calculation unit of the traction power supply system 12, the mg building block Ram circuit 13, correction operation of the system unit 14, the unit control adequacy of the system 15, power loss determining unit 16, determination unit 17 of the traction power consumption, energy consumption prediction unit 18, prediction unit 19 of energy losses, the prediction unit 20 of train operation.

On the example of traction power supply of railway transport, the system operates as follows.

Active and reactive energy counters 4 take information from control points of objects, information from active and reactive counters of traction substations 4 enters the data collection and transmission unit 5, in which information from all counters of this object is summarized and data is transferred from the collection and transmission unit 5 data, the information goes to the information collection and integration unit 6 in which information from all circles of the landfill is summarized, from the information collection and integration block 6, the data goes to the flow forecasting unit and electricity 18, where forecast values are generated. From the storage unit of passport and reference data 7, the data are transferred to the database unit of the parameters of the traction power supply system 8 to determine the parameters of the circuit elements, conductivities, short circuit power at the input of the traction

substations, etc. in accordance with the passport and reference data of existing equipment. Information on the train situation in the section (parameters of trains and the time they travel through the stations) is received in the device for monitoring train work in section 3 from the device for simulating the operation of the traction power supply system 2, the train schedule is generated, then the information goes to the train prediction unit 20 and the output of the device control train work in section 3 is the forecast train schedule. From the train forecasting unit 20, information is fed to the input of the power consumption prediction unit 18 and the power loss prediction unit 19, the outputs of these blocks are the predicted values of power consumption and loss. Information about the weight and nature of the movement of trains from the train control device in section 3 is sent to the current characteristic database 10 and the speed characteristics database unit 11, in which the current and speed characteristics are selected that are closest to the actual weight and nature of the movement . Data from the database unit of the parameters of the traction power supply system 8, the database block of the track development of landfill sites 9, the database block of the current characteristics 10 and the database block of the speed characteristics 11 are input to the block for constructing instantaneous circuits 13 through the block for correcting the operation of system 14. the point in time the information passes through the operation correction unit 14 without changing. In the block for constructing instantaneous circuits 13, instantaneous circuits are constructed (dislocation of current loads of trains on a section at time instants) with the necessary discretization for the accuracy of calculation. From the unit for constructing instantaneous circuits 13, the data are fed to the input of the unit for calculating the traction power supply system 12, where the instantaneous circuits for applying loads are calculated. Of

unit for calculating the traction power supply system 12 data is fed to the input of the unit for determining traction power consumption 17 for determining the electric power consumption for train traction at the traction substations of the landfill and to the input of the train forecasting unit 20, the output of which is a predicted schedule corresponding to the minimum losses and energy consumption. From the unit for determining traction power consumption 17, the data is fed to the input of the unit for determining energy losses 16 to determine the loss of electric energy in the traction power supply system using the iteration method. Multi-threaded information from the unit for collecting and integrating information 6 and multi-threaded information from the unit for determining traction power consumption 17 is input to the unit for monitoring the adequacy of the system 15, in which the adequacy of the system is monitored by identifying real data received from the traction substation counters and calculation results, and further correction of the system. If the operation of the system for determining traction power consumption is adequate (the discrepancy between the real data received from the traction substation counters and the calculation results does not exceed the set limit), a signal is sent from the unit for monitoring the adequacy of the system 15 to the second input of the power loss determination unit 16 to enable operation to determine the loss of electricity, if the system is not adequate (the discrepancy between the real data received from the traction substation counters and the calculation results exceeds the established ny limit) of the two control signals the control unit of the adequacy of system 15 provided to the second and third input operation correction unit 14 of the system.

The input of the proposed system is the input of an automated device for commercial and technical accounting of electricity 1 and two

the input of the train control device for section 3, the system output is the output of the power consumption forecasting unit 18 of the automated device for commercial and technical metering of electricity 1, the output of the power loss forecasting unit 19, the output of the traction power determination unit 17 of the traction power supply system simulation device 2 and two outputs train forecasting unit 20 of the train operation monitoring device in section 3.

The utility model is intended for automatic, time-continuous metering of electricity consumption and losses in order to further pay for consumed electricity and analyze the magnitude of losses as an indicator of the implementation of energy-saving technologies in the power supply economy.

The function of monitoring the adequacy of the system for determining electricity losses is realized by identifying real data obtained from traction substation counters and calculation results, and further correcting the system.

The proposed system allows not only to record electricity consumption and energy losses and to predict them, but also it is a self-regulating system that allows you to minimize electricity losses by 20%.

Claims (1)

An automated system for commercial and technical metering of electricity, consisting of an automated device for commercial and technical metering of electricity, which includes meters for active and reactive energy of traction substations, a data collection and transmission unit, a data collection and integration unit, and a traction power supply system simulation device, consisting of from the storage unit of passport and reference data, the database unit of the parameters of the traction power supply system, the database unit pu the development of landfill sites, a block of the database of current characteristics, a block of a database of speed characteristics, a unit for calculating a traction power supply system, a unit for constructing instantaneous circuits, a unit for correcting system operation, a unit for monitoring the adequacy of system operation, a unit for determining power losses, a unit for determining traction power consumption control devices for train work on the site, characterized in that a unit p is introduced into the automated device for commercial and technical metering of electricity a power consumption prediction having two inputs, the first input of which is connected to the output of the unit for collecting and integrating information of an automated device for commercial and technical metering of electricity, a train operation forecasting unit is introduced in the train control unit at the station, the first input of which is connected to the output of the train control device on the site, the second input is the output of the unit for calculating the traction power supply system and has two outputs, its first output is connected to the unit forecasting energy consumption and in the automated system and the commercial power accounting unit additionally introduced prediction of energy losses, the first input coupled to the output of the simulation of traction power supply system, and a second input coupled to an output device control section for train operation.