A Ten Year Development Plan for the Power System Control Program
- Bonneville Power Administration (BPA), Portland, OR (United States)
This report constitutes a revision and expansion of the “Five-Year Development Plan for the Advanced Control and Dispatch (ACD) Program including Ross Control Center”, which was issued by the Office of the Chief Engineer in July, 1968. The new title “Power System Control (PSC) Program” reflect the new scope of the report, which describes the development and installation of the control facilities necessary to meet the demand for reliable and efficient operation of the BPA power system and for more effective use of the resources available to it. The designation “Advanced Control and Dispatch (ACD)”, as used in the earlier report, has been utilized as well. Here, however, it has been applied only to that portion of the program which represents an advanced concept over the basic control installations of the type which BPA has been making to date with each new facility. Therefore ACD represents an improvement of the basic program, and an extension to include system-oriented controls. It has been evident for some time, at BPA and at other major utilities, that the basic control installations of the past are becoming inadequate for dispatching and control of the complex power systems of today and of the near future. There is more information to monitor and a need for rapid and correct response to disturbances. Improved methods of information display, automatic monitoring and analysis of system conditions, and new facilities for rapid restoration of normal conditions are needed to assist dispatchers and operators in their work. The individual, isolated control schemes such as those required for load and generator dropping should be integrated into broad control schemes which can protect large areas or the entire region. The rapid growth of system loads makes it imperative to obtain the maximum generation from the available resources. Mathematical techniques to be included in this Development Plan will assist BPA’s scheduling engineers and dispatchers to realize this goal. Developments in on-line computerized control systems now permit rapid handling, recording, assimilation and display of data from numerous remote points of the power system. These systems together with computer-oriented monitoring and alarm systems, will greatly enhance* the effectiveness of the dispatchers. Their decisions as to system restoration and resource utilization will be more rapid and more accurate. Improved decision-making capability will enhance the reliability of the whole system. The ACD portion of the program, which includes new automatic monitoring and control systems has become particularly important during “abnormal power system operating conditions such as those experienced when important transmission lines are out of service. Then the system may be operating below established minimum reliability criteria. The automatic features then permit serving customer loads in a near-normal fashion, and may also minimize the duration of the abnormal conditions. This Ten-Year Development Plan report was prepared by the Branch of Power System Control, with the cooperation and assistance of the Branches of System Engineering, System Operations, Power Supply and Scheduling, Design, Construction, and Maintenance. Estimates of costs, manpower and time requirements are provided. It should be recognized that these continue to be subject to modification as requirements change and as technological breakthroughs occur. It must also be recognized that the estimates may change due to unforeseen difficulties. Many new and complex devices and subsystems are involved, and some hardware and software problems must be expected. These problems can cause extended delays in equipment delivery, installation and checkout before new subsystems can be on line full-time. Considerable BPA manpower could be required during these trouble-shooting periods. The present report differs from the 1968 Five-Year Development Plan report in several important ways. The time frame is expanded from five to ten years. The outline and descriptions of functional concepts and projects are expanded and revised. A new section on Operations and Maintenance is provided. Cost estimates, manpower estimates and time schedules have been updated to reflect contractual efforts as now planned. Concepts and design for the Dittmer Control Center have been revised. Plans for an integrated Supervisory Control and Data Acquisition (SCADA) system have been included. This replaces plans for numerous Area Data Centers. The concept of “Advanced Control and Dispatch” (ACD) as an incremental portion of the Power System Control Program has been developed. A system state estimator, dispatchers’ load-flow program and a steady-state security monitor then considered to require several years of development work are being programed for operation at Dittmer in 1973.
- Research Organization:
- Bonneville Power Administration (BPA), Portland, OR (United States)
- Sponsoring Organization:
- US Department of the Interior
- OSTI ID:
- 6779742
- Report Number(s):
- DOE/TIC-11337
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CONTROL SYSTEMS
PLANNING
POWER SYSTEMS
BONNEVILLE POWER ADMINISTRATION
COMPUTERS
DATA ACQUISITION SYSTEMS
ECONOMICS
MONITORING
POWER TRANSMISSION
STABILITY
NATIONAL ORGANIZATIONS
US DOE
US ORGANIZATIONS
Electric power systems - Northwest
Pacific - Planning
200300* - Electric Power Engineering- Power Transmission & Distribution- (-1989)