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Smart power grid transformer station relay protection tester with various communication functions

A smart grid and relay protection technology, applied in the direction of measuring electrical variables, instruments, measuring electricity, etc., can solve the problems of different communication environments, single communication methods, difficulty in meeting communication needs, etc., to improve adaptability, easy to carry, The effect of good cooling effect

Inactive Publication Date: 2016-05-25
CHENGDU TESIENT INSTR
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, substations are distributed in various places, and the communication environment at different substation locations is different, and the existing substation relay protection tester has a single communication method, which is difficult to meet the actual communication needs

Method used

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  • Smart power grid transformer station relay protection tester with various communication functions
  • Smart power grid transformer station relay protection tester with various communication functions
  • Smart power grid transformer station relay protection tester with various communication functions

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Embodiment Construction

[0023] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] Such as figure 1 As shown in the figure, the smart grid substation relay protection tester with multiple communication functions includes a casing, and an internal circuit is arranged in the casing.

[0025] Such as figure 2 As shown, there is an LED display 1 in the middle of the left side of the front panel of the housing. The size of the LED display 1 is 121 inches. There are sixteen analog signal output ports 2 under the LED display 1. There are buttons 3 on the right side of the panel, and four pairs of switching value input ports A4 and eight pairs of switching value output ports 5 are arranged on the upper part of the left panel of the housing. The signal indicator light of the state of the switch value input port A, there ...

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Abstract

The invention discloses a smart power grid transformer station relay protection tester with various communication functions. The smart power grid transformer station relay protection tester includes a housing, wherein an internal circuit is arranged in the housing; a front panel of the housing is provided with an LED display screen (1), 16-channel analog signal output ports (2) and keys (3); a left panel of the housing is provided with 4 pairs of on-off input ports A (4), 8 pairs of on-off output ports (5), an ethernet interface (7), a circular radiation window (8), a power interface (9) and a power switch (10); a right panel of the housing is provided with 4 pairs of on-off input ports B (11), 12-channel optical ethernet interfaces (12) and 12-channel optical serial ports (13); and the internal circuit includes a central processor, a digital signal processor, a digital analog conversion circuit, a second order filter circuit, a power supply circuit, a first network interface card, a second network interface card, and a third network interface card. The smart power grid transformer station relay protection tester with various communication functions is provided with two communication modes: a wired mode and a wireless mode, and can be used in different working environments.

Description

technical field [0001] The invention relates to the technical field of substation relay protection testers, in particular to a smart grid substation relay protection tester with multiple communication functions. Background technique [0002] With the rapid development of the power industry, the requirements for the substation relay protection tester, which is an important test tool used to ensure the safe and reliable operation of the power system, are also getting higher and higher. However, substations are distributed in various places, and the communication environment at different substation locations is different, and the existing substation relay protection tester has a single communication method, which is difficult to meet the actual communication needs. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a smart grid substation relay protection tester with multiple communication func...

Claims

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Application Information

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IPC IPC(8): G01R31/00G01R1/04G01R1/02
CPCG01R31/00G01R1/02G01R1/04
Inventor 王周蓉
Owner CHENGDU TESIENT INSTR
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