Electric energy power system for full electric propulsion ship

A power system and electric energy technology, which is applied in the direction of propulsion engine, ship propulsion, propulsion components, etc., can solve the problems of difficult installation of system backup units, high space requirements for electric motor units, and high cost, so as to increase operating efficiency and reliability, High reliability and improved stability
CN104890848AInactive Publication Date: 2015-09-09INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
Publication Date
2015-09-09
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses an electric energy power system for a full electric propulsion ship. The system comprises two single-machine energy power systems and a direct-current contact box (C), wherein the two single-machine electric energy power systems share one energy storage battery (A); the energy storage battery (A) is connected with a first direct-current confluence busbar (B1) of the first single-machine energy power system in parallel; the positive pole of the first direct-current confluence busbar (B1) is connected with the input end of a direct-current contactor (C); the output end of the direct-current contactor (C) is connected with the positive pole of a second direct-current confluence busbar (B2) of the second single-machine energy power system; and the negative pole of the first direct-current confluence busbar (B1) is connected with the negative pole of the second direct-current confluence busbar (B2) to form a double-machine parallel system.
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Description

technical field

[0001] The invention relates to an electric propulsion system for an all-electric propulsion ship. Background technique

[0002] The integrated electric propulsion system of a conventional all-electric propulsion ship includes a single-engine system and a double-engine parallel system, and its structure is as follows: figure 1 and figure 2 as shown, figure 1 and figure 2 Components such as the cooling system, sensors, battery monitoring system, etc. are not shown.

[0003] figure 1 It is a schematic diagram of the structure of a conventional integrated electric propulsion system for a stand-alone system. The DC output of the diesel generator set is used for energy confluence in the DC busbar, and the energy is used by the rear-stage motor to drive the propeller system. This scheme belongs to the scheme of a single-machine serial hybrid power system, and the system structure is simple, but the reliability of the system is relatively poor. When a certain...

Claims

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