Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Ship shore-based variable frequency power supply system

A technology for power supply systems and ships, applied to electrical components, circuit devices, AC network circuits, etc., can solve the problems of high cost and low equipment utilization, and achieve the effects of perfect functions, guaranteed power quality, and flexible grid-connected modes

Inactive Publication Date: 2016-06-01
BEIJING SIFANG JIBAO AUTOMATION
View PDF4 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing ship shore-based power supply technology and scheme, both high-voltage boarding and low-voltage boarding adopt the "point-to-point" shore-based power supply mode, and a set of variable frequency power supply system is set for each berth, and the output voltage level of the variable frequency power supply and the maximum The capacity is fixed configuration, the cost is high, and the utilization rate of equipment is low; therefore, it is of practical significance to improve the utilization rate of shore-based power supply equipment

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Ship shore-based variable frequency power supply system
  • Ship shore-based variable frequency power supply system
  • Ship shore-based variable frequency power supply system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0042] Embodiments A shore-based frequency conversion power supply system for ships is used to provide shore-based power supply for multiple berths in a port.

[0043] Specific as figure 1 As shown, it is a topological schematic diagram of a shore-based frequency conversion power supply system for a ship; the system is composed of a main monitoring system, a shore-based power supply subsystem, an electrical connection box system, a cable reel subsystem, and a ship power supply subsystem. The main monitoring system, each subsystem and equipment are equipped with independent controllers.

[0044] There are independent communication channels between the main monitoring system and the shore-based power supply subsystem, each junction box, substation and external systems in the power connection box system; the cable reel subsystem and the ship power supply subsystem have their own independent communication buses and main monitoring System connection; the main monitoring system con...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a ship shore-based variable frequency power supply system. The system comprises a main monitoring system, a shore-based power supply sub-system, a junction box sub-system, a cable winding cylinder sub-system and a ship power supply sub-system, wherein independent communication channels are arranged between the main monitoring system and the shore-based power supply sub-system and between the main monitoring system and the junction box sub-system, the cable winding cylinder sub-system and the ship power supply sub-system are connected with the main monitoring system, a main monitoring system controller coordinatively controls each sub-system, and the functions of operation mode switching, output power baking switching, grid-connected mode switching, load transferring, protection, metering, human-machine interaction and the like are achieved. By the shore-based variable frequency power supply system, different power baking outputs can be achieved, a shore-based power supply loop is configured for a plurality of berths, a path of high-voltage three-phase sine-wave power supply output can be provided, multiple paths of low-voltage three-phase sine-wave power supply outputs also can be provided, and the size of each path of output power can be flexibly configured.

Description

technical field [0001] The invention belongs to the field of ship shore-based power supply, in particular to a ship shore-based frequency conversion power supply system. Background technique [0002] During the berthing of the ship at the port, some equipment on board cannot be shut down, and uninterrupted power supply must be provided for this part of the equipment. At this time, the power supply mainly depends on the diesel generators onboard the ships. The emissions after fuel oil combustion have become an important factor affecting the air quality of the port. At the same time, the operation of diesel generators has also caused noise pollution to the port. Reducing the discharge of pollutants when ships are in port is of great significance to the port's energy saving, emission reduction and environmental improvement. The use of shore-based power supplies to supply power to ships berthing at the port, and stopping the operation of the ship's own diesel generators during ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/42H02J13/00
CPCH02J3/00H02J3/388H02J3/42H02J13/0006
Inventor 赵凤俭石山刘树刘志超王皆庆袁占辉张研
Owner BEIJING SIFANG JIBAO AUTOMATION
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products