The design and construction of a controllable reactor with a HTS control winding.
2006 (English)In: 7TH EUROPEAN CONFERENCE ON APPLIED SUPERCONDUCTIVITY (EUCAS'05), 2006, 873-876 p.Conference paper (Refereed)
Reactive power compensation is vital for obtaining efficient operation of long transmission power lines or cables. The need of reactive power changes with the load of the transmission line. Discrete units of conventional reactors are therefore switched in and out in order to obtain more efficient reactive power compensation. A continuous reactive compensation will reduce the transmission losses and increase the transmission capacity of active power. We have designed and constructed a one phase small scale prototype of a controllable shunt reactor with a high temperature superconducting control winding. The reactor consists basically of two windings and an iron core. The control winding is placed so that it generates a DC magnetic field perpendicular to the main AC magnetic field. Thus the DC current in the control winding can control the direction of the magnetization of the iron core and thereby the reactance of the reactor. Such a control winding will have low losses and give the reactor a large dynamic range. For this small scale reactor we found that the reactive power could be varied with a factor six. We have demonstrated the feasibility to design large scale controllable shunt reactors with large dynamic range and low losses utilizing a control winding made of a high temperature superconductor.
Place, publisher, year, edition, pages
2006. 873-876 p.
, Journal of Physics Conference Series, ISSN 1742-6588 ; 43
Other Electrical Engineering, Electronic Engineering, Information Engineering
IdentifiersURN: urn:nbn:se:kth:diva-6162DOI: 10.1088/1742-6596/43/1/213ISI: 000277479400213ScopusID: 2-s2.0-33746288643OAI: oai:DiVA.org:kth-6162DiVA: diva2:10792
7th European Conference on Applied Superconductivity Vienna Univ Technol, Vienna, AUSTRIA, SEP 11-15, 2005
Uppdaterad från submitted till published: 20100927.
Tidigare titel: The design of a HTS control winding of a controllable
QC 201009272006-09-222006-09-222010-09-27Bibliographically approved