Movable modular emergency repair alternating-current and direct-current integrated power source

A modular, AC-DC technology, applied in the field of electric power, can solve problems such as no backup power supply in the AC-DC system, excessive discharge of battery packs, disappearance of AC power supply, etc., to meet the requirements of emergency repairs, avoid power outages, and meet the effects of effectiveness

Inactive Publication Date: 2016-06-08
XUANCHENG POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The AC-DC integrated power supply system in the substation will have problems such as the disappearance of the AC power supply, failure to recover for a short time, over-discharge of the battery pack, and no backup power supply when the AC-DC system is replaced; currently, lithium batteries are not used in the market and are lightweight The movable fast emergency repair integrated power supply device can quickly re

Method used

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  • Movable modular emergency repair alternating-current and direct-current integrated power source
  • Movable modular emergency repair alternating-current and direct-current integrated power source
  • Movable modular emergency repair alternating-current and direct-current integrated power source

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Embodiment Construction

[0021] The present invention is further described in conjunction with the following examples.

[0022] Such as figure 1 , figure 2 The mobile modular emergency repair AC-DC integrated power supply shown includes a DC integrated main cabinet 1, a battery cabinet and an inverter power cabinet 2 connected together by a quick connection device; the integrated power supply and the AC-DC bus bar Connected by a quick connection device; the battery cabinet adopts an iron-lithium battery with charge protection, over-discharge protection, over-current protection and temperature monitoring, which includes a first battery cabinet 3, a second battery cabinet 4, and a third battery cabinet arranged side by side. The battery cabinet 5 and the fourth battery cabinet 6, the first battery battery group negative terminal 14 located at the bottom of the first battery cabinet 3 is parallel to the battery group positive terminal 14 of the second battery cabinet located at the bottom of the second...

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Abstract

The invention discloses a movable modular emergency repair alternating-current and direct-current integrated power source. The power source comprises a direct-current integrated main cabinet, storage battery cabinets and an inverter cabinet which are connected through a fast connection device. The storage battery cabinets comprise the first storage battery cabinet, the second storage battery cabinet, the third storage battery cabinet and the fourth storage battery cabinet which are distributed side by side. The direct-current integrated main cabinet comprises a high-frequency switch power source module and monitoring units. The monitoring units comprise an alternating-current monitoring unit, a direct-current monitoring unit, a switching value monitoring unit and an insulation monitoring unit. The lower portion of the direct-current integrated main cabinet is provided with an alternating-current socket and a direct-current socket which are connected to the inverter cabinet. A positive electrode input terminal of a battery pack at the bottom of the direct-current integrated main cabinet is connected with a positive electrode output terminal of a battery pack of the first storage battery cabinet. A negative electrode input terminal of the battery pack of the direct-current integrated main cabinet is connected with an output terminal of a battery pack of the fourth storage battery cabinet. The lower portion of the inverter cabinet is provided with an inverter cabinet alternating-current input socket and an inverter cabinet input socket.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a mobile modular emergency repair AC-DC integrated power supply. Background technique [0002] With the rapid development of the power industry, in order to improve the power supply quality of the power grid, make the power grid operate safely and economically, and realize the automation of the power system, the requirements for the key equipment of the power control system-control power supply are also getting higher and higher. The relay protection automatic device, signal device, emergency lighting and electrical equipment in the substation are generally operated by DC power supply, so the output quality and reliability of the DC power supply are directly related to the safe operation and stable power supply of the substation. Therefore, regular maintenance of the DC power supply is a necessary means to ensure safe operation. [0003] Conventional integrated power supply has pro...

Claims

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Application Information

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IPC IPC(8): H02J9/00H02M1/10H02J7/00
CPCH02J7/0022H02J7/0026H02J9/00H02M1/10
Inventor 汪雷宋毅袁则红周宗学赵俊宋根华徐照民付阳董国威吴兴龙李晓庆张炳清储江龙杨云李志娟
Owner XUANCHENG POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER
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