Hybrid power tyre crane energy-saving system

An energy-saving system and hybrid power technology, applied in the direction of load suspension components, transportation and packaging, etc., can solve the problems of incomplete exhaustion of energy release, no endurance of energy storage devices, high cost, volume and weight, etc., and achieve stable DC bus Voltage, pollution reduction, and reliable system operation

Inactive Publication Date: 2010-06-02
CHANGZHOU GT ELECTRIC
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Problems solved by technology

The main manifestations are: 1. Usually, only the energy generated during one descent can be stored. If the container is continuously hoisted from a high place for loading, the subsequent energy can only be consumed through the energy consumption resistor
These energy storage devices have no staying power. If the capacity needs to be increased, its high cost, huge volume and resultin

Method used

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  • Hybrid power tyre crane energy-saving system
  • Hybrid power tyre crane energy-saving system

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Embodiment Construction

[0018] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0019] like figure 1 The hybrid tire crane energy-saving system of the best embodiment shown has a generator 1 and a rectifier 2 connected to the generator 1. The rectifier 2 converts the AC power into a DC power, and provides the DC power to the frequency conversion through the DC bus. Device 3, an energy exchange device is arranged on the DC bus, and the energy exchange device includes a programmable controller 41, a boost controller 42 arranged on the DC bus, and a DC bus connected between the boost controller 42 and the frequency conversion device 3 The charging and discharging controller 43 and the battery system 44 connected to the charging and discharg...

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Abstract

The invention relates to the electric control technical field of cranes, in particular to a hybrid power tyre crane energy-saving system which comprises an electric generator and a rectifying device connected with the electric generator, wherein the rectifying device converts an alternating- current power into a direct-current power and supplies the direct-current power to a frequency transformer through a direct-current bus. An energy exchange device is arranged on the direct-current bus and comprises a programmable controller, a boost controller arranged on the direct-current bus, a charge/discharge controller connected to the direct-current bus between the boost controller and the frequency transformer, and a storage battery system connected to the charge/discharge controller, wherein the programmable controller exchanges data with the boost controller, the charge/discharge controller and the storage battery system through fieldbuses, and the storage battery system comprises a storage battery, a state sensor, a protective circuit, a cooling and ventilation device and a storage battery manager. The hybrid power tyre crane energy-saving system has favorable energy-saving effect, reduces pollution to the atmosphere, lowers the noise of an electric generator and supplies stable direct-current bus voltage to a RTG system.

Description

technical field [0001] The invention relates to the technical field of electric control of cranes, in particular to a hybrid power tire crane energy-saving system. Background technique [0002] In the container terminal of the port, the yard operation mainly relies on the Rubber Tire Gantry Crane (RTG for short). Because RTG uses diesel generator set as the power to provide the whole system. There is no need for cables to connect to the terminal power supply, so it is easy to use and flexible in operation, and is widely used by container terminals. [0003] In recent years, the energy shortage, rising oil prices, high loading and unloading costs. "How to improve the energy efficiency of RTG" has long been the target of energy-saving renovation. Looking at the numerous RTG energy-saving methods, they are mainly divided into three categories according to energy-saving strategies. The first is to adopt "oil to electricity", which can greatly reduce the cost of use. The disa...

Claims

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Application Information

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IPC IPC(8): B66C13/22
Inventor 顾文溢吴强赵云鹏张盘生
Owner CHANGZHOU GT ELECTRIC
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