Aspects of conversion of the Nelson River bipole 2 HVDC converters from 12-pulse to 6-pulse operation
| dc.contributor.author | Kolt, Robert A. | en_US |
| dc.date.accessioned | 2012-05-18T19:10:32Z | |
| dc.date.available | 2012-05-18T19:10:32Z | |
| dc.date.issued | 1981 | en_US |
| dc.degree.discipline | Electrical Engineering | en_US |
| dc.degree.level | Master of Engineering (M.Eng.) | en_US |
| dc.description.abstract | In the early months of 1979, Manitoba Hydro was confronted with a serious problem involving the converter transformers for the bipole 2 operation of the Nelson River HVDC transmission system. The transformer problem left the negative pole of bipole 2, pole 3, without a converter transformer at each converter station. Since the transformer outage was forseen to be a lengthy one, the system had a reduced transmission capability firstly due to the direct loss of the negative pole and secondly due to the necessity to operate the positive pole continuously in a monopolar mode which affects adversely the lifetime of the earth electrode. Studies were therefore undertaken by Manitoba Hydro to investigate the feasibility of making the equipment, designed for 12-pulse, perform in a 6-pulse mode. The results of the studies proved favourable and with the approval of the HVDC Working Group, who are the dc equipment suppliers, the negative pole of the bipole 2 was operated in a 6-pulse configuration successfully for a year. The cost of the studies and modifications to the equipment were minimal and both Manitoba Hydro and the Working Group benefited greatly from this engineering exercise. | en_US |
| dc.format.extent | vi, 40 leaves : | en_US |
| dc.identifier | ocm72783631 | en_US |
| dc.identifier.uri | http://hdl.handle.net/1993/6629 | |
| dc.language.iso | eng | en_US |
| dc.rights | open access | en_US |
| dc.title | Aspects of conversion of the Nelson River bipole 2 HVDC converters from 12-pulse to 6-pulse operation | en_US |
| dc.type | master thesis | en_US |
| local.subject.manitoba | yes | en_US |
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