Substation control system
First Claim
1. A control system for an electrical substation for transmission and distribution of electrical energy comprising equipment for control, measurement, monitoring and protection of the substation, and I/O means for communicating measurements and signals and bus means for transferring measurements and/or signals between transmission and distribution equipment and control, measurement, monitoring and protection equipment,wherein said measurements and signals are transferred between the I/O means and the control, measurement, monitoring and protection means by means of a common bus by means of which software modules for control, regulation and protection of said substation have real time access to said measurements and signals.
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Accused Products
Abstract
A control system for an electrical substation for transmission and distribution of electrical energy and equipment, comprising equipment for control, measurement, monitoring and protection of the substation. The control system comprises a substantially common bus means for communicating measurements and signals and between transmission and distribution equipment and functions for control, measurement, monitoring and protection run in computing means. Real time access for all measurement signals is enabled by the invention. More effective operation control is achieved with reduced cabling and duplication of hardware.
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Citations
26 Claims
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1. A control system for an electrical substation for transmission and distribution of electrical energy comprising equipment for control, measurement, monitoring and protection of the substation, and I/O means for communicating measurements and signals and bus means for transferring measurements and/or signals between transmission and distribution equipment and control, measurement, monitoring and protection equipment,
wherein said measurements and signals are transferred between the I/O means and the control, measurement, monitoring and protection means by means of a common bus by means of which software modules for control, regulation and protection of said substation have real time access to said measurements and signals.
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19. A method to control a substation for the transmission and/or distribution of electrical power, by means of making measurements and registering one or more operational states, generating in-signals dependent on measurements and states of the transmission and/or distribution process, accessing set values, making comparisons between set values said measurements and states, and generating out-signals in dependence on those comparisons, wherein the method include the steps of:
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receiving in-signals from a plurality of measuring instruments to an I/O means, transferring the in-signals via the I/O means to a bus means, receiving the in-signals via the bus means via a bus of a computer, sending out signals and/or manoeuvre instructions from the computer to the process of the substation via the bus means and an I/O means. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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Specification