BALANCED VOLTAGE GENERATION SYSTEM AND POWER CONVERSION SYSTEM INCLUDING SAID BALANCED VOLTAGE GENERATION SYSTEM
The invention relates to a voltage generation system (100), comprising: an input bus (10) supplying a direct current input voltage (Einv); an inverter (20) configured to deliver a square voltage (Vinv) at its output (Tr+, Tr-); N resonant power blocks (251,..., 25n,..., 25N), where N>1, each conn...
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Format: | Patent |
Sprache: | eng ; fre ; spa |
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Zusammenfassung: | The invention relates to a voltage generation system (100), comprising: an input bus (10) supplying a direct current input voltage (Einv); an inverter (20) configured to deliver a square voltage (Vinv) at its output (Tr+, Tr-); N resonant power blocks (251,..., 25n,..., 25N), where N>1, each connected at its respective input in parallel with the output of the inverter (20), wherein each resonant power block (251,..., 25n,..., 25N) comprises a series resonant capacitor (Cr1, Cr2,...), a single-phase transformer (401,..., 40n,..., 40N), a rectifier (501,..., 50n,..., 50N), an output capacitor (C1s,1..., Cs,n,..., Cs,N) and a direct current bus (601,..., 60n,..., 60N) connected to the output (T1+, T1- ;..., Tn+, Tn- ;..., TN+, TN-) of a respective rectifier (501,..., 50n,..., 50N), with each resonant power block (251,..., 25n,..., 25N) being configured to operate in discontinuous conduction mode with a constant voltage gain independent of the operating power; wherein the inverter (20) is configured to switch to a frequency less than or equal to the resonance frequency of the resonant power blocks (251,..., 25n,..., 25N) and to operate in discontinuous conduction mode (DCM), with each resonant power block (251,..., 25n,..., 25N) being configured to deliver a rectified voltage (Erect,1, Erect,2, Erect,3) to each respective direct current bus (601,..., 60n,..., 60N), with each rectified voltage (Erect,1,..., Erect,n,..., Erect,N) being constant and proportional to the direct current voltage (Einv) of the input bus (10); the voltage generation system (100) offering a rectified voltage level ( Erect,1,..., Erect,n,..., Erect,N) for each resonant power block (251,..., 25n,..., 25N).
Se proporciona un sistema de generación de tensiones (100), que comprende: un bus de entrada (10) que proporciona una tensión continua de entrada (Einv); un inversor (20) configurado para entregar a su salida (Tr+, Tr-) una tensión cuadrada (vinv); N bloques de potencia resonantes (251, ..., 25n,..., 25N), donde N>1, conectados cada uno de ellos en su entrada respectiva en paralelo a la salida del inversor (20), donde cada bloque de potencia resonante (251, ..., 25n,..., 25N ) comprende un condensador resonante en serie (Cr1, Cr2, ...), un transformador monofásico (401, ..., 40n,..., 40N), un rectificador (501, ..., 50n,..., 50N), un condensador de salida (C1s,1 Cs,n,..., Cs,N) y un bus de tensión continua (601, ..., 60n,..., 60N) conectado a la salida (T1+, T1-.;..., Tn+, Tn.;..., TN+, |
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