Title: Blackout Prevention Plan – The Stability, Reliability and Security Enhancement in Thailand Power Grid
Abstract: The stability, reliability and security of power system are the concerned issues in Thailand due to the lessons from the blackout around the world in 2003. Electricity Generating Authority of Thailand (EGAT), which is responsible on the generation and transmission system in Thailand, has considered the measures to avoid the major power failure in Thailand so-called the blackout prevention plan. The blackout prevention plan is used as a tool for managing and operating the system efficiently. The blackout prevention plan is the preventive plan to minimize the chance of the failure in the power system in Thailand as possible. To identify the system vulnerability in the network, the power system simulations are performed as the important methodology. The power system analysis is not only examined on the N-1 criteria but also the events from the past experience and the potential events that can occur in the Thailand power grid. Many aspects are analyzed to understand the constraint on system and select the appropriate methods to solve the problems efficiently. The investment and maintenance cost of the solution also are taken into the account to optimize the security of the system and economics. This paper presents the blackout prevention plan for Thailand system. It is also addressed the power system analysis on the load flow study as well as the dynamic simulation. The enhancement of system strength is divided into the long term and short term duration. The construction of the new transmission lines and generators as well as the installation of new technologies equipment will be suggested to reinforce the system for the long term planning. As the short terms planning, the special protection schemes generally played the important role to maintain the system stability. The use of the special protection systems and the existing FACTS equipment in the system such as HVDC and SVC are expected to mitigate problems associated with the blackout in Thailand system. The implementation of special protection schemes and FACTS devices to increase the power system stability, reliability and security are represented in this paper. Applying the blackout prevention plan will be beneficial to Thailand power grid as a whole. This paper is the case study for the power system study and implementation on the blackout prevention plan to enhance the stability, reliability and security of the power system in Thailand
Publication Year: 2005
Publication Date: 2005-12-10
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 12
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