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Three-phase circuit data measurement and control device

A technology of measurement and control device and three-phase circuit, which is applied in measurement device, frequency measurement device, short-circuit test, etc., can solve the problems of inability to exchange data with upper computer and slow speed.

Pending Publication Date: 2022-03-04
TAIZHOU ANJPOWER EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, in most areas, there are serious deficiencies in the monitoring of power parameters in power distribution areas, reactive power control and online monitoring through three-phase circuit data measurement and control devices. The speed of monitoring power parameters is slow and cannot To exchange data with the upper computer, it is necessary to research the three-phase circuit data measurement and control device to improve the data processing speed of the measurement and control device, and provide high-precision basic measurement data such as three-phase voltage, current and power, so as to realize the communication with the upper computer. data exchange

Method used

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  • Three-phase circuit data measurement and control device

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Effect test

Embodiment 1

[0029] see Figure 1-Figure 5 , a three-phase circuit data measurement and control device, its structure includes a display screen 1, a terminal 2, an operation box 3, a control button 4, an RS485 communication interface 5, the operation box 3 is provided with a terminal 2, and the terminal 2 is movably engaged with the operation box 3, the operation box 3 is provided with a display screen 1, the display screen 1 is connected with the operation box 3, the control button 4 is installed on the operation box 3, and the operation box 3 Actively connected with the control button 4, the operation box 3 is provided with a RS485 communication interface 5, the RS485 communication interface 5 is connected with the operation box 3, and the connection between the RS485 communication interface 5 and the equipment needs to use a shielded twisted pair , hand in hand serial connection;

[0030]The operation box 3 is provided with an operator 3a, a capacitor block 3b, a box body 3c, a diagnos...

Embodiment 2

[0039] see Figure 1-Figure 6 , a three-phase circuit data measurement and control device, its structure includes a display screen 1, a terminal 2, an operation box 3, a control button 4, an RS485 communication interface 5, the operation box 3 is provided with a terminal 2, and the terminal 2 is movably engaged with the operation box 3, the operation box 3 is provided with a display screen 1, the display screen 1 is connected with the operation box 3, the control button 4 is installed on the operation box 3, and the operation box 3 Actively connected with the control button 4, the operation box 3 is provided with a RS485 communication interface 5, the RS485 communication interface 5 is connected with the operation box 3, and the connection between the RS485 communication interface 5 and the equipment needs to use a shielded twisted pair , hand in hand serial connection;

[0040] The operation box 3 is provided with an operator 3a, a capacitor block 3b, a box body 3c, a diagno...

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Abstract

The invention discloses a three-phase circuit data measurement and control device which structurally comprises a display screen, a wiring terminal, an operation box, a control button and an RS485 communication interface, the wiring terminal is arranged on the operation box and movably clamped with the operation box, the display screen is arranged on the operation box and connected with the operation box, the control button is installed on the operation box, and the RS485 communication interface is connected with the control button. The wireless transceiver is connected with the upper computer, the wireless transceiver is connected with the upper computer, the control button is arranged on the wireless transceiver, the operation box is movably connected with the control button, the operation box is provided with an RS485 communication interface, the RS485 communication interface is connected with the operation box, and the RS485 communication interface is connected with equipment in a shielded twisted pair and hand-in-hand serial connection mode. Due to the fact that the processing module can achieve timing control over the implementation time of various operations, time-sharing charging and event recording can be achieved, records can be transmitted to the upper computer so as to further record and conclude switching quantity displacement, fault items, protection items and the like, and through timing control, each type of records of the recorded events is not less than 100 in the recording process.

Description

technical field [0001] The invention relates to the technical field of circuit data measurement and control, in particular to a three-phase circuit data measurement and control device. Background technique [0002] A circuit powered by a three-phase AC power supply is referred to as a three-phase circuit. A three-phase AC power supply refers to a power supply that can provide three voltages or currents with the same frequency but different phases. The three-phase power supply used in the power system is mostly a symmetrical three-phase power supply. It is a three-phase power supply composed of three sinusoidal voltage sources with the same frequency, the same amplitude, and a phase difference of 120°. The data measurement and control device for the three-phase circuit is a measuring instrument used to measure the voltage and current in the circuit; [0003] Nowadays, in most areas, there are serious deficiencies in the monitoring of power parameters in power distribution are...

Claims

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Application Information

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IPC IPC(8): G01R21/06G01R21/133G01R23/02G01R29/18G01R31/52G01R31/54
CPCG01R21/06G01R21/1331G01R21/002G01R21/003G01R21/005G01R21/006G01R23/02G01R29/18G01R31/52G01R31/54
Inventor 向磊陈义程春玲
Owner TAIZHOU ANJPOWER EQUIP
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