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Distribution network fault simulating method and device and distribution network system

A technology of distribution network fault and simulation device, applied in the field of simulation simulation, can solve problems such as fault simulation experiment, inability to carry out distribution network, etc., to achieve the effect of improving work efficiency and saving manpower

Active Publication Date: 2012-06-20
AEROSPACE SCI & IND SHENZHEN GROUP
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the embodiment of the present invention is to provide a distribution network fault simulation method and device, aiming to solve the problem that the distribution network fault simulation experiment cannot be carried out without the actual site and 10kV line

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  • Distribution network fault simulating method and device and distribution network system
  • Distribution network fault simulating method and device and distribution network system
  • Distribution network fault simulating method and device and distribution network system

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] The distribution network fault simulation device provided by the present invention is mainly used in the distribution network system, including the simulated power distribution master station and the distribution network fault simulation device connected with the simulated power distribution master station, wherein the distribution network fault simulation device module structured as figure 1 As shown, for ease of description, only the relevant part of the present invention is shown, and the details are as follows:

[0038] The distribution network fault simulation device includes: simulate...

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Abstract

The invention belongs to the field of simulation and particularly relates to a distribution network fault simulating method, a distribution network fault simulating device and a distribution network system. The distribution network fault simulating device comprises a double-source power supply circuit, a simulation protecting module, a plurality of simulative distribution terminal modules and a simulative fault recovering module; and the distribution network fault simulating device can simulate on-site equipment and a fault, simulate the communication of the simulation protecting module and the plurality of simulative distribution terminal modules of a transformer substation with a simulative distribution main station, simulate an actual load current, simulate a fault current and report fault information, simulate to execute remote-control switching-on and switching-off operations to simulate the cutoff of the fault current and switch on a normal current. The distribution network fault simulating device can completely replace a protective device and actual hardware equipment of a distribution terminal, reduce the field occupancy of the equipment and the wire-connecting and debugging workload of the equipment, save manpower and improve the working efficiency.

Description

technical field [0001] The invention belongs to the field of simulation and simulation, and in particular relates to a distribution network fault simulation method, device and distribution network system. Background technique [0002] In the existing power distribution automation system, a power distribution network is usually formed by the power distribution master station system and multiple power distribution terminals; AC voltage and current are applied to the power distribution terminals, when the applied AC current exceeds the rated measured value and remains for a period of time , when this time exceeds the set value of a period of overcurrent protection time in the terminal, the terminal will report the total fault signal and overcurrent information. The power distribution master station system analyzes and processes the information reported by multiple terminals to determine the location of the fault; and according to the pre-established plan of the master station, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
Inventor 周启华辛勇军
Owner AEROSPACE SCI & IND SHENZHEN GROUP
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