Separately excited dc motors fed by sequentially operated multistage converters are commonly used in mainline traction. The drive performance can be greatly improved by operating the fully controlled converters with controlled flywheeling. The analysis and performance of a dc drive fed by two-stage sequentially operated fully controlled converters with controlled flywheeling are described. The modes of operation of the converter system are identified, and a method for calculating performance, taking these modes of operation into account, is presented. The nomograms and an analytical method of calculating them are presented for computing the optimum value of filter inductance. The performance of the drive with controlled flywheeling is compared with performance using normal control. The modes of operation and certain aspects of drive performance are verified experimentally.

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dc.contributor.authorBhat, Subbanna P.
dc.contributor.authorDubey, Gopal K.
dc.date.accessioned2026-02-05T11:00:44Z
dc.date.issuedTWO-STAGE SEQUENTIALLY OPERATED REGENERATIVE CONVERTERS WITH CONTROLLED FLYWHEELING.
dc.description.abstract1985
dc.identifier.citationIEEE Transactions on Industry Applications, 1985, IA-21, 6, pp. 1441-1452
dc.identifier.issn939994
dc.identifier.urihttps://doi.org/10.1109/TIA.1985.349601
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/28128
dc.subjectElectric converters, Power type
dc.subjectElectric motors, DC
dc.subjectNomograms
dc.subjectDC MOTOR DRIVES
dc.subjectElectric traction
dc.titleSeparately excited dc motors fed by sequentially operated multistage converters are commonly used in mainline traction. The drive performance can be greatly improved by operating the fully controlled converters with controlled flywheeling. The analysis and performance of a dc drive fed by two-stage sequentially operated fully controlled converters with controlled flywheeling are described. The modes of operation of the converter system are identified, and a method for calculating performance, taking these modes of operation into account, is presented. The nomograms and an analytical method of calculating them are presented for computing the optimum value of filter inductance. The performance of the drive with controlled flywheeling is compared with performance using normal control. The modes of operation and certain aspects of drive performance are verified experimentally.

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