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Capacitive transformer with voltage monitoring system and voltage monitoring method

A technology of voltage monitoring and monitoring system, which is applied in voltage/current isolation, instrumentation, measurement of electrical variables, etc. It can solve problems such as lack of voltage monitoring devices, unstable product capacitance, and inability to control the working efficiency and state stability of transformers. , to achieve stable monitoring effect, improve capacitance stability, and simple structure

Pending Publication Date: 2021-05-14
SUQIAN GENERAL MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing capacitive voltage transformer will change the capacitance due to vibration or temperature changes during the handling process, the capacitance of the product is unstable, lack of voltage monitoring device, and the working efficiency and state stability of the transformer cannot be controlled

Method used

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  • Capacitive transformer with voltage monitoring system and voltage monitoring method
  • Capacitive transformer with voltage monitoring system and voltage monitoring method
  • Capacitive transformer with voltage monitoring system and voltage monitoring method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The present invention provides such Figure 1-Figure 5 The shown capacitive transformer with a voltage monitoring system includes a base 1 and a voltage monitoring system, the voltage monitoring system is set on the side of the base 1, and the voltage monitoring system includes a voltage monitoring system module, the voltage monitoring module includes a data input terminal, the electrical signal connection of the outward transmission end of the data input terminal is connected to a voltage acquisition module and a gateway for collecting data in turn, and the other end of the gateway is connected to a voltage monitoring module through an electrical signal The module cooperates with a matching voltage controller, data output terminal, data comparison module and verification module.

[0035] A casing 4 is arranged between the voltage monitoring system and the base 1, the casing 4 is slidably mounted on the outer wall of the base 1, the bottom of the base 1 is fixedly conne...

Embodiment 2

[0047] Differences from Example 1:

[0048] like Image 6 A voltage monitoring method for a capacitive transformer with a voltage monitoring system is shown, comprising the following steps:

[0049] Step 1. According to the control instruction of the self-voltage monitoring module connected to the electrical signal between the two modules connected by the gateway, control multiple electrical devices to output two or more sets of data of multiple measured voltages;

[0050] Step 2. According to the switching instruction from the voltage monitoring module, the data output terminal is used to transmit the data group to the data comparison module to perform a one-time comparison program to generate a separate comparison result, and store the data to the main controller;

[0051] Step 3. The main controller saves the stored data, repeats steps 1 and 2, and the obtained data is fed back to the main controller, and then the data comparison module is used to compare with the data obt...

Embodiment 3

[0053] Differences from Example 1:

[0054] The voltage monitoring module includes a memory module and a circuit board coupled to the memory module connector, the circuit board is provided with an integrated circuit, and the integrated circuit is electrically connected to the main controller.

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Abstract

The invention discloses a capacitive transformer with a voltage monitoring system and a voltage monitoring method. The capacitive transformer comprises a base and a voltage electricity utilization monitoring system, the voltage electricity utilization monitoring system is arranged on one side of the base, the voltage electricity utilization monitoring system comprises a voltage monitoring module, and the voltage monitoring module comprises a data input end; the outward transmission end of the data input end is sequentially connected with a voltage acquisition module for acquiring data and a gateway through electric signals, and the other end of the gateway is connected with a voltage controller, a data output end, a data comparison module and a verification module which are matched with the voltage monitoring module through electric signals. The invention further discloses the voltage monitoring method of the capacitive transformer with the voltage monitoring system, the data comparison module is used for comparing data obtained for the first time to obtain comparison data, so that the voltage stability is monitored, the data obtained after multiple potentials are switched is processed, then the voltage value of the detected voltage is judged, and the numerical value is more reliable.

Description

technical field [0001] The invention relates to the technical field of power system equipment, in particular to a capacitive transformer with a voltage monitoring system; the invention also relates to a voltage monitoring method for a capacitor transformer with a voltage monitoring system. Background technique [0002] At present, the voltage transformers used in the AC high-voltage power system with a voltage level of 110KV and above are divided into two types. One is an electromagnetic voltage transformer, which is easy to excite ferromagnetic resonance, and has poor reliability and high cost during operation; the other is a capacitive voltage transformer, whose working principle is to reflect the high voltage through the tap voltage value of a capacitor voltage divider. The voltage value at the terminal; the tap is connected to the electromagnetic device, and the electromagnetic device is composed of an intermediate transformer, a compensation reactor and a ferromagnetic ...

Claims

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Application Information

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IPC IPC(8): G01R15/18G01R15/16G01R1/14G01R35/02G01R35/00
CPCG01R1/14G01R15/16G01R15/18G01R35/005G01R35/007G01R35/02
Inventor 杜爱民杜东亮
Owner SUQIAN GENERAL MACHINERY
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