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Title: Integrated substation looks like one RTU to dispatchers

Abstract

Traditionally, supervisory control and data acquisition systems (Scada) use a master/slave arrangement. The master Scada computer polls individual circuit devices for information, or the devices may report (by exception) to the computer. The substation engineering department of Portland General Electric Co (PCE) is now pioneering a new arrangement in which all devices in a substation communicate with each other and a local computer over a data bus. A single communications line connects the Scada master to the same bus for control and/or monitoring. The new approach is known as a substation integration system (SIS). Thus, for a lower initial cost, substation integration: eliminates the need for redundant equipment - such as panel meters, annunciators, transducers, sequence-of-event recorders, auxiliary tripping relays. Scada RTU, control, and transfer switches; reduces control house size by 25% by reducing wiring and using panel space more efficiently; provides a standardized user interface for easy data access, both locally and remotely; is flexible and expandable because of its modularity and use of non-proprietary hardware and software; improves operability, maintainability and reliability through immediate access to key data; and, reduces overall life-cycle costs by reducing travel and outage time through remote access to substation information. 5 figs.

Authors:
Publication Date:
OSTI Identifier:
171391
Resource Type:
Journal Article
Journal Name:
Electrical World
Additional Journal Information:
Journal Volume: 209; Journal Issue: 12; Other Information: PBD: Dec 1995
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION; 44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; POWER DISTRIBUTION SYSTEMS; AUTOMATION; CONTROL EQUIPMENT; DESIGN; POWER SUBSTATIONS; ELECTRIC UTILITIES

Citation Formats

Koch, W. Integrated substation looks like one RTU to dispatchers. United States: N. p., 1995. Web.
Koch, W. Integrated substation looks like one RTU to dispatchers. United States.
Koch, W. 1995. "Integrated substation looks like one RTU to dispatchers". United States.
@article{osti_171391,
title = {Integrated substation looks like one RTU to dispatchers},
author = {Koch, W},
abstractNote = {Traditionally, supervisory control and data acquisition systems (Scada) use a master/slave arrangement. The master Scada computer polls individual circuit devices for information, or the devices may report (by exception) to the computer. The substation engineering department of Portland General Electric Co (PCE) is now pioneering a new arrangement in which all devices in a substation communicate with each other and a local computer over a data bus. A single communications line connects the Scada master to the same bus for control and/or monitoring. The new approach is known as a substation integration system (SIS). Thus, for a lower initial cost, substation integration: eliminates the need for redundant equipment - such as panel meters, annunciators, transducers, sequence-of-event recorders, auxiliary tripping relays. Scada RTU, control, and transfer switches; reduces control house size by 25% by reducing wiring and using panel space more efficiently; provides a standardized user interface for easy data access, both locally and remotely; is flexible and expandable because of its modularity and use of non-proprietary hardware and software; improves operability, maintainability and reliability through immediate access to key data; and, reduces overall life-cycle costs by reducing travel and outage time through remote access to substation information. 5 figs.},
doi = {},
url = {https://www.osti.gov/biblio/171391}, journal = {Electrical World},
number = 12,
volume = 209,
place = {United States},
year = {Fri Dec 01 00:00:00 EST 1995},
month = {Fri Dec 01 00:00:00 EST 1995}
}