This paper presents a risk evaluation based approach to the replacement strategy of aged HVDC components. It includes estimation of unavailability of individual HVDC components due to aging failures, calculation of capacity state probabilities of the HVDC system, quantified risk evaluation of the power system containing the HVDC link and benefit/cost analysis for different replacement strategies. The presented approach can be also applied to other system components. The replacement strategy for an aged submarine cable of the HVDC link in a power supply system at British Columbia Transmission Corporation has been analyzed as an example to demonstrate the actual application. The procedure of the analysis has been explained in detail in the example.
fax 01-972-952-9435. AbstractOnsite inspection is the most expensive component of any regulatory oversight program, and agencies have been looking for ways to manage these programs cost-effectively while maintaining the same level of environmental protection. Developing the data analysis tools to monitor water quality and to assess available supplies has become critical to resource management. In response, the Ground Water Protection Council (GWPC) is expanding its Risk Based Data Management System (RBDMS) into source water quality protection, laboratory information management, produced water management, and water quantity assessment. RBDMS for Water tracks water and waste stream parameters and makes site-specific monitoring data available in a geographical information system (GIS) format. This paper discusses how RBDMS for Water is being customized by two regulatory agencies as a management and planning aid in refocusing their field inspection programs. These agencies are tasked with continuing to meet environmental protection goals in the face of stagnating funding and escalating real costs for these programs. The agencies: the Nebraska Oil and Gas Conservation Commission (NOGCC) and the Ohio Department of Natural Resources (ODNR).
fax 01-972-952-9435. AbstractOnsite inspection is the most expensive component of any regulatory oversight program, and agencies have been looking for ways to manage these programs cost-effectively while maintaining the same level of environmental protection. Developing the data analysis tools to monitor water quality and to assess available supplies has become critical to resource management. In response, the Ground Water Protection Council (GWPC) is expanding its Risk Based Data Management System (RBDMS) into source water quality protection, laboratory information management, produced water management, and water quantity assessment. RBDMS for Water tracks water and waste stream parameters and makes site-specific monitoring data available in a geographical information system (GIS) format. This paper discusses how RBDMS for Water is being customized by two regulatory agencies as a management and planning aid in refocusing their field inspection programs. These agencies are tasked with continuing to meet environmental protection goals in the face of stagnating funding and escalating real costs for these programs. The agencies: the Nebraska Oil and Gas Conservation Commission (NOGCC) and the Ohio Department of Natural Resources (ODNR).
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