Abstract:
A power module including a power device and a magnetic component is provided. The magnetic component is stacked with the power device and a vertical projection of the magnetic component is at least partially overlapping with the power device. The magnetic component includes a magnetic core and a winding set. The magnetic core includes a first surface, a second surface and at least one window. The window is located between the first surface and the second surface, and includes a passing-through axis vertical to a surface of the power device, where at least one leading pin or pad is disposed on the surface of the power device. The winding set includes at least one winding portion. The winding portion passes through the window and electrically connected to the power device. Each winding set and the magnetic core are configured to form an inductor, and the winding set is preformed.
Abstract:
A filter device comprises: a filter capacitor portion having one set of ends connected to the AC voltage unit, and the other set of ends connected to DC terminals of the semiconductor switching unit via a low impedance element, wherein both set of ends of the filter capacitor portion and the DC terminals of the semiconductor switching unit are static ground terminals of the power converter; a filter inductance portion a first set of connection terminals connected to the AC voltage unit, a second set of connection terminals connected to the AC terminals of the semiconductor switching unit, a third set of connection terminals connected to one of the static ground terminals of the power converter, and a fourth set of connection terminals; and a compensation portion having one end connected to the fourth set of connection terminals and the other end connected to the ground.
Abstract:
The disclosure provides a magnetic core comprising a base, a center column, a first side column and a second side column fixed to the base. The first side column, the second side column and the center column are defined an annular space for accommodating a bobbin and/or a winding. The annular space have a first core opening and a second core opening thereon. A size of the first core opening between the first side column and the second side column is defined as a first core opening width. A size of the second core opening between the first side column and the second side column is defined as a second core opening width. Wherein at least one wire receiving space is provided at the base of the magnetic core, and the wire receiving space is located within the first core opening and/or the second core opening.
Abstract:
A filter device comprises: a filter capacitor portion having one set of ends connected to the AC voltage unit, and the other set of ends connected to DC terminals of the semiconductor switching unit via a low impedance element, wherein both set of ends of the filter capacitor portion and the DC terminals of the semiconductor switching unit are static ground terminals of the power converter; a filter inductance portion a first set of connection terminals connected to the AC voltage unit, a second set of connection terminals connected to the AC terminals of the semiconductor switching unit, a third set of connection terminals connected to one of the static ground terminals of the power converter, and a fourth set of connection terminals; and a compensation portion having one end connected to the fourth set of connection terminals and the other end connected to the ground.
Abstract:
A power module including a power device and a magnetic component is provided. The magnetic component is stacked with the power device and a vertical projection of the magnetic component is at least partially overlapping with the power device. The magnetic component includes a magnetic core and a winding set. The magnetic core includes a first surface, a second surface and at least one window. The window is located between the first surface and the second surface, and includes a passing-through axis vertical to a surface of the power device, where at least one leading pin or pad is disposed on the surface of the power device. The winding set includes at least one winding portion. The winding portion passes through the window and electrically connected to the power device. Each winding set and the magnetic core are configured to form an inductor, and the winding set is preformed.
Abstract:
A power conversion circuit comprises an AC source, a power conversion unit, a filter inductor unit and a common mode noise suppression circuit. The power conversion unit has DC terminals and AC terminals. The filter inductor unit has first and second terminals, being respectively connected to the AC source and the AC terminals of the power conversion unit. The common mode noise suppression circuit has a capacitive impedance network with first and second terminals, and an impedance balancing network with first and second terminals. The second terminals of the capacitive impedance network are connected to the first terminals of the impedance balancing network, the first terminals of the capacitive impedance network are connected to the first terminals of the filter inductor unit, and the second terminals of the impedance balancing network are connected to the DC terminals of the power conversion unit.
Abstract:
A power conversion apparatus, comprising: a power conversion circuit comprising an AC source; a power conversion unit with DC terminals and AC terminals; a filter inductor unit including first and second terminals, the first terminals of the filter inductor unit being connected to the AC source, the second terminals of the filter inductor unit being connected to the AC terminals of the power conversion unit; a common mode noise suppression circuit comprising a capacitive impedance network including first and second terminals; an impedance balancing network including first and second terminals; the second terminals of the capacitive impedance network are connected to the first terminals of the impedance balancing network, the first terminals of the capacitive impedance network are connected to the first terminals of the filter inductor unit, and the second terminals of the impedance balancing network are connected to the DC terminals of the power conversion unit.