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EP0033842A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method for mains feedback of a line commutated direct converter and control circuit therefor

Assignee: Siemens AG
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Filing: 1981-01-09
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Granted: —
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Expires: 2001-01-09
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Abstract

Abstract Translated from German Ans Drehstromnetz (R, S, T) ist parallel zum Direktumrichter (I, II) ein steuerbarer Blindleistungskompensator (5, 6, 7) angeschlossen, dessen Sollwertvorgabe (iB) durch Berechnung der Größe i Q1 =/iA/.cos ψ aus dem Direktumrichter-Ausgangsstrom i A und dem Direktumrichter-Steuerwinkel ψ, der z. B. aus der Steuerspannung U St oder der Ausgangsspannung u A des Direktumrichters abgeleitet werden kann, gebildet. A controllable reactive power compensator (5, 6, 7) is connected to the three-phase network (R, S, T) in parallel to the direct converter (I, II), the setpoint specification (iB) of which is calculated by calculating the quantity i Q1 = / iA / .cos ψ Direct converter output current i A and the direct converter control angle ψ, the z. B. can be derived from the control voltage U St or the output voltage u A of the direct converter.

Inventors

  • 👤 Theodor Salzmann

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 12:31
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; H02M1/084; H02J; H02J3/00; H02J3/18; H02J3/1821; H02J3/1835; H02J3/1864; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/162; H02M7/1623; Y; Y02; Y02E; Y02E40/00; Y02E40/10

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