Volvo Penta

A power system (200, 300) comprises at least one battery pack (210) comprising at least one battery cell, a DC link capacitor (220), a DC/AC converter (230), a DC/DC converter (240). The power system (200, 300) is configured to pre-charge the DC link capacitor (220) to a desired DC link voltage level by the DC/DC converter (240) or by the DC/AC converter (230).

A power system (300) for providing multiple output voltage levels (V1, V2, V3). The power system (300) comprises at least one battery pack (310) and a direct current to direct current (DC/DC) converter (320). The first voltage level (V1) is the DC/DC converter (320) output voltage level, the second voltage level (V2) is the battery pack (310) output voltage level, and the third voltage level (V3) is a sum of the battery pack (310) output voltage and DC/DC converter (320) output voltage.

A computer system (100; 700) comprising processing circuitry (102; 702) configured to: obtain environment data (20) and monitor a snap-in docking distance (40) in relation to a fixed structure (10) based on the environment data (20); in response to the marine vessel (1) being outside the distance (40): control movement (22) of the marine vessel (1) based on a maneuvering request (24) and/or the environment data (20); and in response to the marine vessel (1) being within the distance (40): control the marine vessel (1) to move into physical engagement with the fixed structure (10); obtain force sensing data (25) indicating an engagement pressure between the marine vessel (1) and the fixed structure (10); and regulate a thrust force (60) in a direction towards said the fixed structure (10) based on said force sensing data (25) to control a desired engagement pressure.

The present disclosure relates to steering assist system (1) for a marine vessel (75). The system comprising a steering control unit (15) configured for receiving an operator steering command via a steering device (10). The steering control unit (15) is configured to provide feedback (50) to an operator via the steering device (10) in response to a control signal (CS) and a positioning system (30) configured to determine a location of the marine vessel (75). The system comprising a processing circuitry configured to store sea-chart data indicating one or more hazardous location areas (6). The system is configured to determine whether the location of the marine vessel (75) in relation to the one or more hazardous location areas (6) satisfies a predetermined hazard criterion, and in accordance with a determination that the hazard criterion is satisfied, transmit a control signal (CS) to the steering control unit (15). The steering control unit (15) is, upon receipt of the control signal, configured to provide feedback (50) to an operator via the steering device (10).

A battery system (300) for providing multiple output voltage levels (VI, V2, V3). The battery system (300) comprises at least one battery pack (310) and a direct current to direct current (DC/DC) converter (320). The first voltage level (V1) is the DC/DC converter (320) output voltage level, the second voltage level (V2) is the battery pack (310) output voltage level, and the third voltage level (V3) is a sum of the battery pack (310) output voltage and DC/DC converter (320) output voltage.

A stop system (201) for a high power system (203, 303). The stop system (201) is arranged in a Hazardous Voltage Interlock Loop, HVIL, passing through at least a part of the high power system (203, 303). The stop system (201) is configured to trigger disconnection of at least part of the high power system based on a condition of a HVIL low power signal transmitted through the HVIL.

A battery system (300) having a middle bus line (ML), a positive bus line (PL) and a negative bus line (NL) is provided. The battery system (300) comprises: a battery module (310), a multilevel neutral point clamped inverter (320). One or more direct current to direct current converters (DC/DC) and two or more auxiliary loads (L1, L2, ...) are connected either between the positive and negative bus lines (PL, NL), or between the positive and middle bus lines (PL, ML), or between the negative and middle bus lines (NL, ML). The operation of the DC/DC converters is configurable to balance the loads of the battery module (310) and/or control charging/discharging of the battery module (310). The connections of the two or more auxiliary loads (L1, L2, ...) are configurable to balance the loads of the battery module (310).

A power converter (200) with common mode loop is provided. The common mode loop is formed in the power converter (200) by any one of the following connections: a connection (261) between a neutral terminal (N<F>) of the multi-phase filter (240) and the neutral terminal (Nb) of the battery pack; a connection (362) between a neutral terminal (N<F>) of the multi-phase filter (240) and the negative terminal (NT<b>) of the battery pack (210); a connection (463) between a neutral terminal (N<F>) of the multi-phase filter (240) and the positive terminal (PT<b>) of the battery pack (210); a first connection (564) between a first neutral terminal (N<F1>) of the multi-phase filter (240) and the negative terminal (NT<b>) of the battery pack (210) and a second connection (565) between a second neutral terminal (N<F2>) of the multi-phase filter (240) and the positive terminal (PT<b>) of the battery pack (210).

Present disclosure relates to an interface member for a cooling system for cooling at least one thermally managed component intended to form a part of a powertrain system, the interface member comprising a support mounting interface configured to be mounted to a support structure for supporting the interface member, a body portion provided with one or more internal integrated coolant channels for forming at least a portion of a cooling circuitry of the cooling system, a coolant connection interface in fluid communication with the one or more integrated coolant channel and configured to be releasably connected to one or more cooling system components of the cooling system connected to the cooling circuitry for coolant distribution between the one or more cooling system components and the cooling circuitry, and a component mounting interface for mounting of one or more component associated with the powertrain system.

The present disclosure relates to a marine propulsion unit for a marine vessel, comprising a power source for rotating a pitchable propeller around an axis, the pitchable propeller being connected with a first shaft and a second shaft, an adjustment device comprising a first part being connected with the first shaft, a second part being connected with the second shaft, and a movable part,wherein the movable part is configured to be moved between a first position and a second position so as to turn the first part and/or the second part thereby providing a phase shift between the first shaft and the second shaft for pitching and/or folding the pitchable propeller.