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A Study on Optimal Planning Strategy Based on Customer Outage Costs
Balho H. Kim 대한전기학회 2010 Journal of Electrical Engineering & Technology Vol.5 No.1
This paper examines the long-run social welfare maximization problems facing public utilities, which includes consideration of the cost of capital or other fixed costs of production, from which it derives optimal investment decisions in a reliability differentiated pricing based market. Reliability differentiated pricing policies lead to straightforward mathematical results on optimal investment decisions in generation and transmission expansion planning. This paper presents the mathematical conditions for optimal investment decisions.
A Value-Based Real Time Pricing Under Imperfect Information on Consumer Behavior
Balho H. Kim 대한전기학회 2009 Journal of Electrical Engineering & Technology Vol.4 No.1
One of the major challenges confronting a multiservice electric utility is the establishment of the right prices for its services. The key objectives of particular pricing schemes are reasonableness of company earnings, economic efficiency, the responsiveness of supply and of the allocation of sources to the desires of consumers, and maintenance of some degree of competition. This paper proposes a value-based pricing mechanism amenable to the current deregulation situation in electricity market allowing service differentiation. The proposed pricing mechanism can be implemented in a nodal auction model, and can also be applied to direct load control.
An Efficient Implementation of Decentralized Optimal Power Flow
Balho H. Kim 대한전기학회 2007 Journal of Electrical Engineering & Technology Vol.2 No.3
In this study, we present an approach to parallelizing OPF that is suitable for distributed implementation and is applicable to very large inter-connected power systems. The approach could be used by utilities for optimal economy interchange without disclosing details of their operating costs to competitors. It could also be used to solve several other computational tasks, such as state estimation and power flow, in a distributed manner. The proposed algorithm was demonstrated with several case study systems.
A Study on Reliability Differentiated Pricing of Long-Term Transactions
Balho H. Kim 대한전기학회 2011 Journal of Electrical Engineering & Technology Vol.6 No.1
Reliability differentiated pricing (RDP) is known to improve the efficiency and benefits of consumers and producers. Outage costs representing the economic and non-economic consequences of service curtailments to customers can be used as an effective parameter of RDP in electricity markets. This paper examines the theoretical aspects of an RDP scheme, and derives the optimal decisions of consumers and electric utilities for long-term transactions. The proposed RDP is demonstrated through a case study on a wheeling service.
A Study on the Convergency Property of the Auxiliary Problem Principle
Balho H. Kim 대한전기학회 2006 Journal of Electrical Engineering & Technology Vol.1 No.4
This paper presents the convergency property of the Auxiliary Problem Principle when it is applied to large-scale Optimal Power Flow problems with Distributed or Parallel computation features. The key features and factors affecting the convergence ratio and solution stability of APP are also analyzed.
A Study on Reliability Differentiated Pricing of Firm Capacity
Balho H. Kim 대한전기학회 2013 Journal of Electrical Engineering & Technology Vol.8 No.1
It is known that Reliability Differentiated Pricing (RDP) can improve the efficiency and benefits of consumers and producers. This paper examines the long-run social welfare maximization problem of the utility and presents a long-term reliability differentiated prices for firm capacity, based on customer outage costs. Then the applicability of the proposed pricing scheme is verified with a case study.
A Study on Reliability Differentiated Pricing of Firm Capacity
Kim, Balho H. The Korean Institute of Electrical Engineers 2013 Journal of Electrical Engineering & Technology Vol.8 No.1
It is known that Reliability Differentiated Pricing (RDP) can improve the efficiency and benefits of consumers and producers. This paper examines the long-run social welfare maximization problem of the utility and presents a long-term reliability differentiated prices for firm capacity, based on customer outage costs. Then the applicability of the proposed pricing scheme is verified with a case study.