Method and network for operating a distribution network
First Claim
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1. A method of operating a distribution system having a multiplicity of meters indicating flow of a distributed medium and a central station at which distribution is controlled, said method comprising the steps of:
- (a) in response to a first command transmitted from said central station to a multiplicity of peripheral units assigned to the meters of the distribution system over a communications network interconnecting said peripheral units with said central station, at a first predetermined instant of time simultaneously reading all of the meters of said multiplicity of peripheral units by said multiplicity of peripheral units to acquire respective first data representing respective measures of flow at said meters of said multiplicity of peripheral units and at said first predetermined instant of time;
(b) thereafter at a second predetermined instant of time simultaneously reading all of the,meters of said multiplicity of peripheral units by said multiplicity of peripheral units to acquire respective second data representing respective measures of flow at said meters of-said multiplicity of peripheral units at said second predetermined instant of time;
(c) storing said first and second data at each of said peripheral units at least until said first and second data is transmitted to said central station;
(d) telemetrically transmitting said data via said network from said multiplicity of peripheral units in succession and in response to interrogation signals from said central station, thereby acquiring at said central station successively from said multiplicity of peripheral units, information as to utilization of said medium in a time interval between said instants; and
(e) comparing at said central station said information with data representing measurement of distribution of said medium to an area of said distribution system encompassing the meters of said multiplicity of peripheral units, thereby ascertaining losses in said system.
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Abstract
A method for the improvement of distribution network management, in particular of a gas, water, electric energy or heat network that provides the possibility of telemetry of data by means of a central station and a plurality of peripheral stations connected to the central station. The relevant data is subsected to simultaneous reading of a plurality of peripheral stations and the successive transmission of such data to the central station.
176 Citations
17 Claims
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1. A method of operating a distribution system having a multiplicity of meters indicating flow of a distributed medium and a central station at which distribution is controlled, said method comprising the steps of:
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(a) in response to a first command transmitted from said central station to a multiplicity of peripheral units assigned to the meters of the distribution system over a communications network interconnecting said peripheral units with said central station, at a first predetermined instant of time simultaneously reading all of the meters of said multiplicity of peripheral units by said multiplicity of peripheral units to acquire respective first data representing respective measures of flow at said meters of said multiplicity of peripheral units and at said first predetermined instant of time; (b) thereafter at a second predetermined instant of time simultaneously reading all of the,meters of said multiplicity of peripheral units by said multiplicity of peripheral units to acquire respective second data representing respective measures of flow at said meters of-said multiplicity of peripheral units at said second predetermined instant of time; (c) storing said first and second data at each of said peripheral units at least until said first and second data is transmitted to said central station; (d) telemetrically transmitting said data via said network from said multiplicity of peripheral units in succession and in response to interrogation signals from said central station, thereby acquiring at said central station successively from said multiplicity of peripheral units, information as to utilization of said medium in a time interval between said instants; and (e) comparing at said central station said information with data representing measurement of distribution of said medium to an area of said distribution system encompassing the meters of said multiplicity of peripheral units, thereby ascertaining losses in said system. - View Dependent Claims (2, 3, 4, 5)
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6. A network for controlling operation of a distribution system having a multiplicity of meters indicating flow of a distributed medium and a central station at which distribution is controlled, said network comprising:
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a multiplicity of peripheral units each assigned to a respective meter of the distribution system and capable at a first predetermined instant of time of simultaneously reading the respective meter of said multiplicity of peripheral units to acquire respective first data representing respective measures of flow at said meters of said multiplicity of peripheral units, and at a second predetermined instant of time simultaneously reading all of the meters of said multiplicity of peripheral units to acquire respective second data representing respective measures of flow at said meters of said multiplicity of peripheral units; a central telemetry means at said central station for transmitting signals to said peripheral units to cause said multiplicity of peripheral units to acquire said first and second data at said first and second instants of time; transmission means coupling said central telemetry means with said peripheral units for transmitting said first and second data from said peripheral units to said central telemetry means and said signals from said central telemetry means to said peripheral units whereby said first and second data is transmitted to said central station from said peripheral units in succession; and means at said central station for comparing information constituted by data with data representing measurement of distribution of said medium to an area of said distribution system encompassing the multiplicity of peripheral units, thereby ascertaining losses in said system. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification