Genset rectifier

A technology for generating sets and rectifiers, which is applied to output power conversion devices, electrical components, and the conversion of AC power input to DC power output, etc., can solve problems such as many cable requirements, complicated AC power system control, and troubled ships, etc. Fast response speed, stable and controllable DC voltage, the effect of reducing capacity

Active Publication Date: 2017-11-14
SHANGHAI QIYAO HEAVY IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the AC power system also has problems such as complex control and many cable requirements, which have plagued the ship power system for a long time

Method used

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Embodiment Construction

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Elements and features described in one drawing or one embodiment of the present invention may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that representation and description of components and processes that are not related to the present invention and known to those of ordinary skill in the art are omitted from the drawings and descriptions for the purpose of clarity. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the ar...

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Abstract

The present invention relates to a generator set rectifier device, which comprises a fully-controlled rectifier circuit, and controllers. The fully-controlled rectifier circuit is used for converting the output AC of a generator set into a DC. The controllers are composed of a DC voltage controller and a variable speed controller. The DC voltage controller is used for acquiring the AC voltage value and the AC current value at the input end of the fully-controlled rectifier circuit and the DC voltage value and the DC current value at the output end of the fully-controlled rectifier circuit, and then generating a first control signal for controlling the output DC voltage of the fully-controlled rectifier circuit based on the acquired voltage values and current values. The variable speed controller is used for generating a second control signal for controlling the rotating speed of the generator set based on the DC voltage value and the DC current value. According to the technical scheme of the invention, the DC power generation function for the variable-speed generator set with the fully-controlled rectifier is realized. Meanwhile, the device is fast in response speed and stable in dynamic performance. The above device can be applied to conventional generator sets. Moreover, the commutation problem of large-capacity DC generator sets can be solved.

Description

technical field [0001] The invention relates to power supply equipment, in particular to a generator set rectifier. Background technique [0002] With the implementation of energy conservation and emission reduction policies and the rapid development of power system electronic technology, the shipping industry is paying more and more attention to the application of DC power grids on ships. Compared with the AC grid, the marine DC power grid improves the operating efficiency of the ship, reduces energy consumption, saves space, and significantly reduces the total nitrogen oxides and greenhouse gas emissions of the ship. [0003] The development of the ship power grid is the same as that of the land power grid. The DC power system was also adopted at the earliest. With the increase of the power supply capacity of the ship, the commutation problem of large-capacity DC generator sets has been difficult to overcome. The generation of AC generators solved the problems of DC gener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/00
Inventor 杨璇冯玉龙周特威段征王春杰房硕庄伟
Owner SHANGHAI QIYAO HEAVY IND CO LTD
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