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Lithium battery feedback energy storage peak clipping device of rubber-tyred gantry crane

A technology of gantry cranes and lithium batteries, which is applied in battery circuit devices, circuit devices, battery load switching, etc., can solve the problems of reducing potential energy consumption and the limited number of container gantry cranes, so as to reduce the cost of electric vehicles, improve recycling efficiency, Effect of reducing peak current

Pending Publication Date: 2022-05-31
SHANGHAI HI TECH CONTROL SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Since there are many irregular storage tank areas in the wharf without mains trolley line systems, RTG cranes can only use diesel generators on RTG cranes for power generation when they work in these areas, and when using diesel generators for power generation, the downward potential energy can only be passed through Energy Consumption Resistor Consumption
[0006] In addition, due to the limitation of the capacity of the mains power supply and distribution transformer and the capacity of the power supply trolley line in the "oil-to-electricity" transformation, the number of container gantry cranes that can simultaneously accommodate operations in the same mains trolley line is limited

Method used

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  • Lithium battery feedback energy storage peak clipping device of rubber-tyred gantry crane
  • Lithium battery feedback energy storage peak clipping device of rubber-tyred gantry crane

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Embodiment Construction

[0025] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0026] It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the same time, terms such as "upper"...

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Abstract

The invention provides a lithium battery feedback energy storage peak clipping device for a rubber-tyred gantry crane. The lithium battery feedback energy storage peak clipping device comprises a power type lithium battery, a DCDC converter corresponding to the power type lithium battery, at least one energy storage type lithium battery, DCDC converters in one-to-one correspondence with the energy storage type lithium batteries and a controller, the power type lithium battery is connected with a direct current bus of a frequency converter of the rubber-tyred gantry crane through the corresponding DCDC converter; the energy storage type lithium battery is connected with the frequency converter direct current bus through a corresponding DCDC converter; the controller is connected with the power type lithium battery and the energy storage type lithium battery and used for controlling charging and discharging of the power type lithium battery and the energy storage type lithium battery. According to the lithium battery feedback energy storage peak clipping device of the rubber-tyred gantry crane, electric power seamless switching of the rubber-tyred gantry crane is provided based on the lithium battery, and the recycling efficiency of descending potential energy of the rubber-tyred gantry crane is effectively improved.

Description

technical field [0001] The invention relates to the technical field of rubber-tyred gantry cranes (RTG), in particular to a lithium battery feedback energy storage and peak-shaving device for rubber-tyred gantry cranes. Background technique [0002] Rubber-tyred gantry cranes (RTG cranes) are mobile gantry cranes used in intermodal operations to ground or stack containers. Inbound containers are stored for pickup by haul trucks, and outbound containers are stored for loading onto ships. RTG cranes usually span multiple lanes, one of which is reserved for container transshipment, with good maneuverability. [0003] At present, a large number of port mobile equipment are powered by diesel power generation. Although many terminals have carried out "oil-to-electricity" in recent years, "oil-to-electricity" has limited the flexibility of the equipment, so the equipment still retains the diesel generator set to maintain its flexibility. With the further advancement of energy sa...

Claims

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Application Information

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IPC IPC(8): H02J3/32H02J7/00B66C13/12
CPCH02J3/32H02J7/0045H02J7/0068H02J7/007H02J7/00304B66C13/12Y02E60/10
Inventor 龚吉
Owner SHANGHAI HI TECH CONTROL SYST
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