Showing papers by "Danny Pudjianto published in 2010"
01 Jan 2010
95 citations
25 Jul 2010
TL;DR: In this article, a review of the fundamental principles behind the deterministic Great Britain Supply Quality and Security Standards (SQSS) that has been used for more than 5 decades is presented.
Abstract: Increased connections of wind power in the Great Britain (GB) transmission system had triggered the need to review the fundamental principles behind the deterministic Great Britain Supply Quality and Security Standards (SQSS) that has been used for more than 5 decades. This review analyses the necessary upgrades to improve the efficiency of transmission system operation and capacity required to accommodate the present and future generation system. This paper in particular addresses a number of issues raised from the applications of deterministic SQSS and its operation and design efficiency concerning the best usage of N-k policy type. With respect to the United Kingdom (UK) transmission system operation, deterministic standards have been used to determine secure maximum levels of power transfers across a particular boundary. Our studies indicate that the deterministic standards are too conservative. This leads to over requirement of transmission capacity in planning timescales or significant constraints to access remote wind power in operational timescales. As an alternative, the use of an integrated reliability and cost-benefit framework to optimize the level of transmission system security has been developed. A wide range of studies have been carried out to analyze the benefits of this approach in the UK. The results indicate the need to move towards this integrated approach in order to maximize the value of transmission and to speed up the connections of wind power.
20 citations
25 Jul 2010
TL;DR: In this article, the authors summarized the results from a range of quantitative studies on the UK electricity system that have been carried out to assess the benefits of active management of distribution networks.
Abstract: Continuous connection of Distributed Energy Resources (DER) technology on a “fit and forget” basis may lead to inefficiently low utilization of generation and network assets. In order to mitigate this effect, a reappraisal of the technical, regulatory, and commercial frameworks that shape decisions on future network design, investment, operation, and pricing are required. The transition of distribution network operation from passive to active would facilitate cost effective integration of DER and an efficient evolution towards a low carbon electricity system. In this context, this paper summarizes the results from a range of quantitative studies on the UK electricity system that have been carried out to assess the benefits of active management of distribution networks.
16 citations
19 Apr 2010
TL;DR: It is demonstrated that the system performance could improve with advanced governor control, i.e., using a phase compensated governor, and how this enhanced performance can be linked to economic values in the market.
Abstract: Stability, both small and large disturbances, is a critical part of day to day operation of the power system. Unstable system would not able to operate. Though critical, stability has often been overlooked in the markets and thus undervalued. In this paper different approaches used in the past have been critically reviewed and summarised. A simple example is then used to elucidate the physical meaning of optimal power dispatch with a limit due to stability. Finally, it is demonstrated that the system performance could improve with advanced governor control, i.e., using a phase compensated governor, and how this enhanced performance can be linked to economic values in the market.