| Author | Chira Achayuthakan |
| Call Number | AIT Diss. no.ET-11-03 |
| Subject(s) | Electric power transmission
|
| Note | A dissertation submitted in partial fulfillment of the requirements
for the degree of Doctor of Engineering, School of Environment and Resources Development
|
| Publisher | Asian Institute of Technology |
| Series Statement | Dissertation ; no. ET-11-03 |
| Abstract | Two main parts are provided 'in this dissertation. In pati I, new insights are provided into
the electricity tracing methodology, by representing the inverted tracing upstream and
downstream distribution matrices in the form of matrix power series and by applying linear
algebra analysis. The n
111 matrix power represents the contribution of each node to power
flows in the other nodes through paths of length exactly n in the digraph of flows. Such a
representation proves the link between graph-based and linear equation based approaches
for electricity tracing. It also makes it possible to explain an earlier observation that
circulating flows, which result in a cyclic directed graph of flows, can be detected by
appearance of elements greater than one on the leading diagonal of the inverted tracing
distribution matrices. More importantly, for the first time a rigorous mathematical proof of
the invertibility of the tracing distribution matrices is given, along with a proof of
convergence for the matrix power series proposed in this study; these proofs also allow an
analysis of the conditioning of the tracing distribution matrices. Theoretical results are
illustrated throughout using simple network examples.
In part II, transmission pricing for cross-border trades in context of the European
continental is set for inter-TSO compensation (ITC). Amidst various ITC alternatives
discussed and debated, group of European TSOs (ETSO) still use voluntary ITC scheme
since 2002. Even though voluntary ITC scheme is easy to implement and predictable, it
may exhibit excessive cost claims between TSOs due to responsibility of irrelevant flows
and presence of circulating flows. The former exists because the scheme is based on
postage stamp. The latter is prevailed when networks are aggregated to supernode; instead
of rendering transit by impo1iing power to export, some country may export power and
import to supply its load. This study then applies tracing for facility cost allocation for ITC
by using 'counterweight sharing' to fit with the current ETSO's ITC scheme and
'reconciliation payments' to mitigate circulating flows. Effect of irrelevant flows is easily
eliminated by using tracing method. Test result on the 16-supernode UCTE system shows
that the proposed method can reduce excessive cost claims between TSOs. Additionally,
the same method is applied to the ASEAN+l network, in which only 'economic exchange'
and 'power purchase sourced by grid' are included. Since there is neither available power
flow information nor cross-border flow dispatch rule, the method is aided by Monte Carlo
Simulation. Test Result shows that the method can be appropriately workable to such
regional network, in which the environment of market is not yet matured. |
| Year | 2011 |
| Corresponding Series Added Entry | Asian Institute of Technology. Dissertation ; no. ET-11-03 |
| Type | Dissertation |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC)) |
| Academic Program/FoS | Energy Technology (ET) |
| Chairperson(s) | Weerakorn Ongsakul; |
| Examination Committee(s) | Dailey, Matthew ;Marpaung, Charles 0. P. ;Wang, Peng
|
| Scholarship Donor(s) | Queen Sirikit HRD ; |
| Degree | Thesis (Ph.D.) - Asian Institute of Technology, 2011 |