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Micro synchronous phasor measuring device for power distribution network

A technology of synchronized phasor measurement and distribution network, applied in the direction of circuit devices, phase sequence/synchronous indication, electrical components, etc., can solve the problems of single application occasions, bulky volume, etc., achieve convenient and flexible configuration, save installation space, and facilitate The effect of management and maintenance

Inactive Publication Date: 2020-01-03
NARI TECH CO LTD +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the technical problems of the traditional synchrophasor measurement of the transmission network for collecting multi-channel analog signals.

Method used

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  • Micro synchronous phasor measuring device for power distribution network
  • Micro synchronous phasor measuring device for power distribution network
  • Micro synchronous phasor measuring device for power distribution network

Examples

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0028] A miniature synchrophasor measurement device for distribution network, comprising bus (i.e. figure 1 communication module shown), CPU module, power supply module ( figure 1 Not shown in), at least one analog quantity acquisition module, intelligent IO module, timing module and timing module;

[0029] Data exchange between the bus and the master station or PDC data concentrator, analysis of the remote control commands issued in the form of messages, and sending of phasor data information and remote signaling status information; the bus is a composite cable of the power bus and the communication bus;

[0030] The CPU module is bidirectionally connected to the communication bus in the bus ...

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Abstract

The invention provides a micro synchronous phasor measuring device for a power distribution network. The device comprises a bus, a CPU module, at least one analog quantity acquisition module, an intelligent IO module, a time synchronization module and a time keeping module, wherein the bus is a composite cable of a power bus and a communication bus, the analog quantity acquisition module is connected with the communication bus in the bus through a connector, and transmits acquired data back to the CPU module through the communication bus, and the CPU module comprises a processor system PS anda programmable logic PL which perform data interaction through an AXI communication interface. The device is advantaged in that all the functional modules are connected with the bus through the connectors, a plug-in hardware structure is achieved, configuration of the structure is convenient and flexible, the plug-in hardware structure can be configured to flexibly configure an analog acquisitionloop only for the single-interval / ring main unit six-interval measurement requirement of a distribution network line, based on the design, the size of the micro synchronous phasor measuring device forthe power distribution network is reduced, and the installation space is effectively saved.

Description

technical field [0001] The invention belongs to the technical field of power distribution automation, and in particular relates to a miniature synchronized phasor measuring device for a power distribution network. Background technique [0002] With the continuous development of new energy technologies and the increasing demand for electricity, building a strong smart grid has become the future direction of development. Among them, the automation of smart distribution network is an important part of smart grid construction. It is an important means to improve power supply quality, improve power supply reliability, expand power supply capacity, and realize efficient and economical operation of distribution network. one of the foundations. my country's distribution network has a large scale, complex environment, and high failure rate. Therefore, the monitoring and control of the distribution network's operating status is of great significance to the efficient and economical op...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J13/00G01R29/18
CPCG01R29/18H02J3/00Y02E40/70Y02E60/00Y04S10/22
Inventor 夏磊唐成虹吴雨薇侯明国谢伟方陈
Owner NARI TECH CO LTD
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