Abstract:
PROBLEM TO BE SOLVED: To provide a switchgear cell which stores as little electrical energy as possible during its operation and can be designed in a space-saving manner. SOLUTION: A switchgear cell has a group 1 of connection, the group of connection having a first and a second controllable bidirectional power semiconductor switch 2, 3 and a capacitor 25. The group of connection can have a third, fourth, fifth, and sixth controllable bidirectional power semiconductor switch 4, 5, 6, 7 and the first controllable bidirectional power semiconductor switch 2 can be connected back-to-back in series with the second controllable bidirectional power semiconductor switch 3, the third controllable bidirectional power semiconductor switch 4 can be connected back-to-back in series with the fourth controllable bidirectional power semiconductor switch 5. The capacitor 25 can be connected to the connection point of the first controllable bidirectional power semiconductor switch 2 to the second controllable bidirectional power semiconductor switch 3. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
The invention relates to a converter device for providing a plurality of output voltages or a plurality of output voltage potentials to associated outputs (A1, A2, A3), comprising: a plurality of setting units (3) that are associated with one of several input voltage sources (2), wherein each setting unit (3) is designed to vary an input voltage (UIN1, U IN2, UIN3, UIN4) provided by the associated input voltage source (2) and to provide an intermediate voltage (U1, U2, U3, U4); a plurality of selection elements (41), wherein intermediate voltage potentials (V0, V1, V2, V3, V4) defined by the intermediate voltages (U1, U2, U3, U4) are applied to each selection element (41) and each selection element (41) is designed to select one of the intermediate voltage potentials (V0, V1, V2, V3, V4) for outputting the particular output voltage potential (VOUT1, VOUT2, VOUT3). The invention further relates to a method and to a device for operating a converter device of said kind, comprising the following steps: - actuating the plurality of setting units (3) such that the setting units (3) provide intermediate voltage potentials that contain the output voltage potentials (VOUT1, VOUT2, VOUT3) to be provided, - actuating the selection elements (41) in a way such that one of the intermediate voltage potentials (V0, V1, V2, V3, V4) is selected and provided at an associated output (A1, A2, A3).
Abstract:
The switchgear cell (10) has a group of connection (1) provided with serially connected controllable bidirectional power semiconductor switches (2,3) to which another set of controllable bidirectional power semiconductor switches is connected back-to-back in series. The controllable bidirectional power semiconductor switches (2,4) are connected to the connection point of the capacitors (8,9). An independent claim is included for converter circuit.
Abstract:
A converter circuit for switching a large number of switching voltage levels is specified, in which a first switching group is provided for each. Second switching groups are provided, each having a first, second, third, fourth, fifth and sixth drivable bidirectional power semiconductor switch and capacitor. The first drivable bidirectional power semiconductor switch is reverse-connected in series with the second drivable bidirectional power semiconductor switch, the third drivable bidirectional power semiconductor switch is reverse-connected in series with the fourth drivable bidirectional power semiconductor switch, the first drivable bidirectional power semiconductor switch is connected to the capacitor, the third drivable bidirectional power semiconductor switch is connected to the capacitor, the fifth drivable bidirectional power semiconductor switch is directly connected to the fourth drivable bidirectional power semiconductor switch, and the sixth drivable bidirectional power semiconductor switch is directly connected to the second drivable bidirectional power semiconductor switch.
Abstract:
The invention relates to a converter device for providing a plurality of output voltages or a plurality of output voltage potentials to associated outputs (A1, A2, A3), comprising: a plurality of setting units (3) that are associated with one of several input voltage sources (2), wherein each setting unit (3) is designed to vary an input voltage (UIN1, U IN2, UIN3, UIN4) provided by the associated input voltage source (2) and to provide an intermediate voltage (U1, U2, U3, U4); a plurality of selection elements (41), wherein intermediate voltage potentials (V0, V1, V2, V3, V4) defined by the intermediate voltages (U1, U2, U3, U4) are applied to each selection element (41) and each selection element (41) is designed to select one of the intermediate voltage potentials (V0, V1, V2, V3, V4) for outputting the particular output voltage potential (VOUT1, VOUT2, VOUT3). The invention further relates to a method and to a device for operating a converter device of said kind, comprising the following steps: - actuating the plurality of setting units (3) such that the setting units (3) provide intermediate voltage potentials that contain the output voltage potentials (VOUT1, VOUT2, VOUT3) to be provided, - actuating the selection elements (41) in a way such that one of the intermediate voltage potentials (V0, V1, V2, V3, V4) is selected and provided at an associated output (A1, A2, A3).
Abstract:
Dispositivo convertidor para el acondicionamiento de varias tensiones de salida o bien de varios potenciales detensiones de salida en salidas (A1, A2, A3) correspondientes, que comprende: - varias unidades de regulación (3), que están asociadas en cada caso a una de varias fuentes de tensión deentrada (2), en el que cada una de las unidades de regulación (3) está configurada para variar una tensión deentrada (UIN1, UIN2, UIN3, UIN4) preparada por la fuente de tensión de entrada (2) asociada y para acondicionar unatensión intermedia (U1, U2, U3, U4), - varios elementos selectores (41), en el que en cada elemento selector (41) están aplicados potenciales de tensiónintermedia (V0, V1, V2, V3, V4) definidos a través de las tensiones intermedias (U1, U2, U3, U4) y cada elementoselector (41) está configurado para seleccionar uno de los potenciales de tensión intermedia (V0, V1, V2, V3, V4)para la emisión como el potencial de la tensión de salida (VOUT1, VOUT2, VOUT3); caracterizado porque - las salidas de tensión de las unidades de regulación están conectadas en serie entre sí, de manera que lastensiones intermedias (U1, U2, U3, U4), se suman y en una parte o en cada una de las salidas de la tensió9n seacondiciona el potencial respectivo de la tensión intermedia (V0, V1, V2, V3, V4) para la selección a través de unorespectivo de los elementos selectores (41), y porque - está presente una unidad de control (5), que está configurada para controlar la pluralidad de unidades deregulación (3), de tal manera que las unidades de regulación (3) acondicionan potenciales de la tensión intermedia(V0, V1, V2, V3, V4), que contienen los potenciales de la tensión de salida (VOUT1, VOUT2, VOUT3) a acondicionar,en el que la unidad de control (5) está configurada, además, para seleccionar en cada caso uno de los potencialesde la tensión intermedia (V0, V1, V2, V3, V4) y acondicionarlos en una salida (A1, A2, A3) correspondiente.
Abstract:
Circuito de conversión con un primer convertidor de resonancia (RU1), que está conectado en el lado de la tensión continua con un primer circuito acumulador de energía (E1), con un transformador, un segundo convertidor de resonancia (RU2), cuyo segundo convertidor de resonancia (RU2) está conectado en el lado de la tensión alterna con el arrollamiento secundario (N2) del transformador (1) y en el lado de la tensión continua con un convertidor de carga (LR), y con un circuito de resonancia CLL conectado con el primer convertidor de resonancia (RU1) y con el arrollamiento primario (N1) del transformador (3), cuyo circuito de resonancia CLL (2) presenta una capacidad de resonancia (C), una primera y una segunda inductividad de resonancia (L1, L2), caracterizado porque la capacidad de resonancia (C) está conectada en serie con la primera inductividad de resonancia (L1), de manera que la primera inductividad de resonancia (L1) está conectada con un primer punto de conexión (A) del arrollamiento primario (N1) del transformador (1) y la capacidad de resonancia (C) está conectada con el primer convertidor de resonancia (RU1) y porque la segunda inductividad de resonancia (L2) está conectada con el punto de conexión de la capacidad de resonancia (C) con la primera inductividad de resonancia (L1), de manera que la segunda inductividad de resonancia (L2) está conectada con un segundo punto de conexión (B) del arrollamiento primario (N1) del transformador (1) y el segundo punto de conexión (B) del arrollamiento primario (N1) del transformador (1) está conectado con un punto de conexión del primer circuito acumulador de energía (RU1).