A plant for transmitting electric power

Details A plant for transmitting electric power A plant for transmitting electric power

H - Electricity

02

J

H02J 3/36 (2006.01) H02M 7/483 (2007.01) H02M 1/12 (2006.01)

Patent

CA 2727370

A plant for transmitting electric power comprising a direct voltage network (100) and at least one three-phase alternating voltage network (101) connected thereto through a station (102). This station comprises a Voltage Source Converter (103). A unit (104) is configured to control the converter according to a PWM pattern for generating an alternating voltage having a third harmonic voltage part added to a fundamental voltage part. No transformer is arranged between phase outputs (106) of the converter and the alternating voltage network (101). An arrangement (107) is configured to block said third harmonic voltage part and prevent it from reaching the alternating voltage network.

Appareil de transmission dénergie électrique, comprenant un réseau à tension continue (100) et au moins un réseau triphasé à tension alternative (101) relié à celui-ci à travers une station (102). Ladite station comprend un convertisseur de tension source (103). Une unité (104) est configurée pour commander le convertisseur en modulation dimpulsions en durée pour générer une tension alternative ayant une partie de tension de troisième harmonique ajoutée à une partie de tension fondamentale. Il ny a pas de transformateur entre les sorties de phase (106) du convertisseur et le réseau à tension alternative (101). Une disposition (107) est configurée pour bloquer ladite partie de tension de troisième harmonique et lempêcher datteindre le réseau à tension alternative.

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