Impacts of electric vehicle charging on distribution transformers (Record no. 58309)

MARC details
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005 - DATE AND TIME OF LATEST TRANSACTION
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008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 150214s2012 th uu|m rtt 0| a1eng d
035 ## - SYSTEM CONTROL NUMBER
System control number .b12127000
099 #9 - LOCAL FREE-TEXT CALL NUMBER (OCLC)
Classification number AIT Thesis no.ET-12-15
100 0# - MAIN ENTRY--PERSONAL NAME
Personal name Thanyaporn Harnboonyanon
245 10 - TITLE STATEMENT
Title Impacts of electric vehicle charging on distribution transformers
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Place of publication, distribution, etc. Pathum Thani, Thailand :
Name of publisher, distributor, etc. Asian Institute of Technology,
Date of publication, distribution, etc. 2012
300 ## - PHYSICAL DESCRIPTION
Extent 92 p. :
Other physical details ill.
490 1# - SERIES STATEMENT
Series statement Thesis ;
Volume/sequential designation no. ET-12-15
500 ## - GENERAL NOTE
General note A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Energy, School of Environment, Resources and Development
502 ## - DISSERTATION NOTE
Dissertation note Thesis (M. Sc.) - Asian Institute of Technology, 2012
520 ## - SUMMARY, ETC.
Summary, etc. The variety advantages of electric vehicles (EV) in cooperate with the support from the government will stimulate the electric vehicles to penetrate into Thai mobile market. However, all EV s require connecting with the national grid for recharging their batteries, the impact of their charging have to be assessed in order to prevent the power system problem. The distribution transformers are the prior infrastructures that will confront with the critical risk of being overload. The ultimate objective of this thesis, therefore, was to assess the potential overloading impact of the electric vehicles charging on the distribution transformers of Provincial Electricity Authority (PEA), the main distribution utility of Thailand. Chiang Mai metropolitan, the center of northern region of Thailand that has potential to adopt EV, was selected to be the study area. The te1m overloading in this thesis refers to the load that go beyond 80% of rated capacity, namely the 80% trigger threshold set by PEA. The utilization factor and the number of houses per transformer are the main parameters to identify the permit level EV adoption and the critical transformers that will be overload at each adoption level. From the simple statically methodology, the thesis reveals that in case of charging during peak hour, at 15% adoption level, the proportion of critical transf01mers are fifty-two percent and f01ty-eight percent for 160 kVA and of 250 kVA distribution transformers respectively. However, if the trigger threshold was increased to be 100%, the critical transformers could be reduced to be six percent and ten percent respectively. Besides, in case of charging during off-peak hour strategy, it was found that at 15% adoption level; no transformers would be overloaded. At 25% EV adoption level, less than ten percent of total distribution transformer would be overloaded. This result will acknowledge the distribution utility to plan the asset management due to the coming of electric vehicles in near future.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Electric vehicles
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Electric transformers
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Marpaung, Charles O.P.,
Relator term Chairperson
700 0# - ADDED ENTRY--PERSONAL NAME
Personal name Weerakorn Ongsakul,
Relator term Examination Committee
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Singh, Jai Govind,
Relator term Examination Committee
710 2# - ADDED ENTRY--CORPORATE NAME
Corporate name or jurisdiction name as entry element PEA-AIT Education Cooperation Project Royal Thai Government Fellowship,
Relator term Scholarship donor
810 2# - SERIES ADDED ENTRY--CORPORATE NAME
Corporate name or jurisdiction name as entry element Asian Institute of Technology.
Title of a work Thesis ;
Volume/sequential designation no. ET-12-15
856 ## - ELECTRONIC LOCATION AND ACCESS
Materials specified Full-Text
Uniform Resource Identifier <a href="http://203.159.5.9/ait-thesis/detail.php?q=B10962">http://203.159.5.9/ait-thesis/detail.php?q=B10962</a>
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998 ## - LOCAL CONTROL INFORMATION (RLIN)
Operator's initials, OID (RLIN) 0
Cataloger's initials, CIN (RLIN) 140215
First date, FD (RLIN) m
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942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type 20-AIT Publication
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type 40-Archives
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Holdings
Withdrawn status Lost status Damaged status Not for loan Home library Current library Shelving location Date acquired Cost, normal purchase price Total checkouts Full call number Barcode Date last seen Copy number Price effective from Koha item type
      Available for Loans Asian Institute of Technology Library Asian Institute of Technology Library AIT Publications 18/08/2026 50.00   AIT Thesis no.ET-12-15 30050120602932 18/08/2026 1 18/08/2026 20-AIT Publication
      Available for Loans Asian Institute of Technology Library Asian Institute of Technology Library AIT Publications 18/08/2026 50.00   AIT Thesis no.ET-12-15 30050120602908 18/08/2026 2 18/08/2026 20-AIT Publication
      Available for Loans Asian Institute of Technology Library Asian Institute of Technology Library Archives 18/08/2026     AIT Thesis no.ET-12-15 30050120367916 18/08/2026   18/08/2026 40-Archives
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