جستجوی مقالات مرتبط با کلیدواژه « transmission cost allocation » در نشریات گروه « برق »

This paper proposes a new method to allocate the transmission fixed costs among the network participants in a pool based electricity market. The allocation process relies on the circuit laws, utilizes the modified impedance matrix, and is performed in two individual steps for generators and loads. First: to identify the generators contributions into the usage of the transmission facilities, the generators are modelled as current injections and the loads as equivalent impedances. Second: to identify the load's contributions into the usage of the transmission facilities, the loads are modelled as current injections and the generators as impedances. To split the mutual terms between the involved components, the equal sharing principle is used and proved to be rational by the Shapley and Aumann-Shapley values as two preferred game-theoretic solutions. The proposed approach is also applied to determine the generators contributions into the loads, thus, a new concept, named, circuit-theory based equivalent bilateral exchange, is introduced. Numerical results are reported and discussed to validate the proposed cost allocation method.

With the advent of electricity markets and the creation of a competitive environment in power systems, proper allocation of transmission cost among network users (consumers and producers) is essential to help the investment of transmission network, effectively. In this paper, a hybrid method for transmission cost allocation based on the effect of transmission facilities in system reliability and their merchant value is proposed. In the proposed method, first, the users' benefit in the electricity market and in other words, the merchant benchmark in cost allocation has considered. Second, cost allocation considering the effect of facilities in system reliability which are consist of factors of system security and adequacy and the benefit of users with these factors is done. For the implementation of the proposed method, the capacity of all facilities includes lines and transformers are divided into four sections consist of merchant capacity, contingency capacity for maintaining security, future capacity for maintaining adequacy and invalid capacity. The numerical results in a 3-bus and the IEEE 30-bus test system are presented to demonstrate the effectiveness of the proposed method and compare to other methods.