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Super-capacitor-based direct current power device of power station and power supply method thereof

A supercapacitor and DC power supply technology, applied in battery circuit devices, circuit devices, emergency power supply arrangements, etc., can solve problems such as reliability and environmental protection need to be improved, switching operation power supply can not meet the needs of use, etc., to save urban space Occupied cost, fewer modules, and improved device reliability

Active Publication Date: 2013-10-09
NANJING TIANSU AUTOMATION CONTROL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The problem to be solved by the present invention is: the power supply technology of the switching operation power supply in the existing power grid system cannot meet the needs of use, and the reliability and environmental protection need to be improved

Method used

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  • Super-capacitor-based direct current power device of power station and power supply method thereof
  • Super-capacitor-based direct current power device of power station and power supply method thereof
  • Super-capacitor-based direct current power device of power station and power supply method thereof

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Embodiment Construction

[0033] Specific embodiments are given below in conjunction with the accompanying drawings, and the present invention is further described in detail.

[0034] Such as figure 1 As shown, the supercapacitor-based power station DC power supply device is set between the voltage transformer of the high-voltage switch cabinet of the power station and the DC load. The power station DC power supply device includes a power module and an energy storage module. It consists of a power charging sub-module and a current feedback circuit. The energy storage module is composed of a capacitive energy storage sub-module, a charge and discharge control sub-module, and a residual power release sub-module. The current feedback circuit is a diode with a reverse withstand voltage of 1000V. The continuous conduction current is 10A. The power module has one input terminal: port 0, and two output terminals: port 1 and port 2. The energy storage module has a connection port: port 3, where port 0 is conne...

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Abstract

The invention discloses a super-capacitor-based direct current power device of a power station and a power supply method. The direct current power device of the power station is arranged between a voltage transformer and a direct current load of a high-voltage switch cabinet of the power station, and comprises a power module and an energy storage module, wherein the power module consists of a rectification conditioning sub-module, a constant power charging sub-module and a current foldback circuit; and the energy storage module consists of a capacitor energy storage sub-module, a charging and discharging control sub-module and a remaining power releasing sub-module. By the device and the method, a direct current operating power supply, gaining power from the voltage transformer of the high-voltage switch cabinet, of the power station is realized, stores energy based on a super capacitor, can be directly arranged on the switch cabinet, and has the characteristics of high instantaneous output power, high efficiency, high reliability, freedom from maintenance, small volume, low cost and the like.

Description

technical field [0001] The invention belongs to the category of power supply technology for power station equipment and the category of supercapacitor energy storage technology, and particularly refers to a high-efficiency, light-weight, small-occupancy space that can be directly installed on a high-voltage switchgear, does not require daily maintenance, and can work independently for a long time The supercapacitor-based power station DC power supply device and its power supply method are suitable for switching stations. Background technique [0002] With the continuous deepening of large-scale urban network construction and renovation projects in my country, 10kV switchgear, as an important facility in 10kV distribution network, plays an increasingly important role in urban medium-voltage distribution network with a certain load density. The continuous emergence of high-rise buildings and large public buildings makes urban functions more and more perfect and complex. Power...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/34H02J9/04H02J7/02
Inventor 沈宏平马如明黄水生
Owner NANJING TIANSU AUTOMATION CONTROL SYST
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