CN207037006U - A kind of 10kV distribution line failures addressing system - Google Patents

Abstract

The utility model is a 10kV power distribution line fault addressing system, which belongs to the technical field of grid operation fault diagnosis; the technical problem to be solved is to provide a 10kV power distribution line fault addressing system; the technical solution adopted to solve the technical problem is : A 10kV power distribution line fault addressing system, including a line acquisition module, a collection module, a mobile communication terminal, and a station control subsystem. The line acquisition module includes a power supply device, a short-circuit fault detection module, a line ground fault detection module, and a load Current detection module, fault alarm module, the collection module includes GPRS data transmission module, GSM data transmission module, power supply module, and the station control subsystem includes data storage module, data maintenance module, line data query system, equipment parameter configuration module , on-site single-line diagram display module, line information configuration module, and equipment status display module; the utility model can be widely used in the field of power lines.

Description

A 10kV Distribution Line Fault Addressing System

technical field

The utility model relates to a 10kV power distribution line fault addressing system, which belongs to the technical field of power grid operation fault diagnosis.

Background technique

With the development of the society and the progress of the economy, more and more electric energy is used, so the requirements for the reliability of power supply and the quality of electric energy have also increased. The characteristics of distribution lines are: the line path is long, and there are many users driven on the entire line, which determines that the distribution network is more susceptible to various factors such as climate factors, external force damage, and the quality of user equipment. trip or single-phase-to-earth fault. Due to the formation of multi-regional power grids, the coverage of the distribution network is increasing, and the complexity of the distribution network is increasing day by day. The entire distribution network includes facilities such as transmission lines, iron towers, transformers, and reactive power compensation capacitors. These power facilities do not exist independently but work together in conjunction with each other, so any failure of any facility will affect the operation of the entire power supply network. The distribution network is in the last part of the entire network and is directly connected to the electricity consumers. Once the distribution network fails, the electricity consumers connected to it will have a power outage. Large-scale power outages will have adverse effects on society and also It will cause losses, so a line fault addressing device is needed, which can quickly find and isolate fault points, thereby reducing the power failure area and shortening the time for power failure inspection.

Utility model content

The utility model is a 10kV power distribution line fault addressing system, which overcomes the shortcomings of the existing technology. The system realizes automatic detection and alarm of short circuit and grounding faults, and on this basis realizes remote data storage and mobile terminal data display .

In order to solve the above technical problems, the technical solution adopted by the utility model is: a 10kV power distribution line fault addressing system, including a line acquisition module, a collection module, a mobile communication terminal, and a station control subsystem. The line acquisition module includes a power supply device, a short-circuit fault detection module, a line ground fault detection module, a load current detection module, and a fault alarm module, the collection module includes a GPRS data transmission module, a GSM data transmission module, and a power supply module, and the station control subsystem includes a data storage module , data maintenance module, line data query system, equipment parameter configuration module, on-site one-line diagram display module, line information configuration module, and equipment status display module;

The power supply device is connected to the short-circuit fault detection module, the short-circuit fault detection module is connected to the line ground fault detection module, the line ground fault detection module is connected to the load current detection module, and the load current detection module The module is connected to the fault alarm module;

The power supply device includes a high-voltage induction power supply device and a solar power supply device.

Further, the power module includes a solar photovoltaic panel.

Further, the line acquisition module is set inside the line detection terminal, and the line detection terminal is suspended on the high-voltage distribution line.

Further, the inductive power supply device includes an electromagnetic extraction circuit and an electrical extraction circuit connected thereto.

Further, the fault alarm module includes an alarm indicator light.

Further, the mobile communication terminal includes a smart phone.

Further, the line acquisition module includes a DSP chip.

Compared with the prior art, the utility model has the following beneficial effects.

1. The utility model realizes accurate monitoring of short-circuit and grounding faults in the medium-voltage distribution network, and realizes real-time monitoring of each line, thereby rationally arranging the operation mode, carrying out technical renovation and maintenance of equipment in time, and effectively improving the safety level of power grid equipment , to ensure the safe operation and normal power supply of the power grid, and the social benefits are remarkable.

2. The utility model realizes functions such as automatic monitoring, alarm push, and data analysis, and can realize fine management of power grid dispatching, which is conducive to shaping a good image of power supply enterprises with high quality, high efficiency, and advanced management.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described further.

Fig. 1 is a structural schematic diagram of a 10kV distribution line fault addressing system of the present invention.

In the figure, 1-line acquisition module, 2-collection module, 3-mobile communication terminal, 4-station control subsystem, 11-power supply device, 12-short-circuit fault detection module, 13-line grounding fault detection module, 14-load current Detection module, 15-fault alarm module, 21-GPRS data transmission module, 22-GSM data transmission module, 23-power supply module, 41-data storage module, 42-data maintenance module, 43-line data query system, 44-equipment Parameter configuration module, 45-on-site single-line diagram display module, 46-line information configuration module, 47-equipment status display module.

detailed description

As shown in Figure 1, a 10kV power distribution line fault addressing system of the present invention includes a line acquisition module 1, a collection module 2, a mobile communication terminal 3, and a station control subsystem 4, and the line acquisition module 1 includes a power supply device 11. Short-circuit fault detection module 12, line grounding fault detection module 13, load current detection module 14, fault alarm module 15, described collection module 2 includes GPRS data transmission module 21, GSM data transmission module 22, power supply module 23, described The station control subsystem 4 includes a data storage module 41, a data maintenance module 42, a line data query system 43, a device parameter configuration module 44, a field one-line diagram display module 45, a line information configuration module 46, and a device status display module 47;

The power supply device 11 is connected to the short circuit fault detection module 12, the short circuit fault detection module 12 is connected to the line ground fault detection module 13, and the line ground fault detection module 13 is connected to the load current detection module 14 , the load current detection module 14 is connected to the fault alarm module 15;

The power supply device 11 includes a high voltage induction power supply device and a solar power supply device.

Further, the power module 23 includes solar photovoltaic panels.

Further, the line acquisition module 1 is set inside the line detection terminal, and the line detection terminal is suspended on the high-voltage distribution line.

Further, the inductive power supply device includes an electromagnetic extraction circuit and an electrical extraction circuit connected thereto.

Further, the fault alarm module 15 includes an alarm indicator light.

Further, the mobile communication terminal 3 includes a smart phone.

Further, the line acquisition module 1 includes a DSP chip.

In this embodiment, the utility model adopts DSP technology to continuously sample line information, uses synchronous measurement technology to perform wavelet analysis and Fisher judgment, and can judge the working status of the line in real time.

The line detection terminal adopts multi-layer laminated silicon steel sheets to form a magnetic flux circuit, which has less leakage flux. With various high-precision, high-sampling rate sensors, it can accurately collect fault information, load information and cable temperature on the line, ensuring the source of data authenticity and accuracy.

When the line is powered, the line detection terminal is equipped with a locking mechanism, which will realize the locking according to the change of voltage and current, and prevent false alarms caused by inrush current. And after the line power supply is stable, the lock will be released automatically and the normal detection state will be restored.

The collection terminal adopts high-quality aluminum casting shell, which can resist the corrosion of the high-salt and humid environment in coastal areas. At the same time, the circuits in the host are sealed with waterproof shells, and the overall protection level can reach IP67; the mounting bracket adopts M design, anti-interference design and Technical measures such as assembly optimization design ensure that the collection terminal is easy to install and maintenance-free.

The above embodiments of the utility model have been described in detail in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Make various changes below.

Claims (7)

1. A kind of 1. 10kV distribution line failures addressing system, it is characterised in that：Including circuit acquisition module, collection module, movement Communication terminal, control subsystem of standing, the circuit acquisition module include electric supply installation, short trouble detection module, line-to-ground event Hinder detection module, load current detection module, fault alarm module, the collection module includes GPRS data transport module, GSM Data transmission module, power module, the station control subsystem include data memory module, data maintenance module, track data and looked into Inquiry system, device parameter configuration module, live line chart display module, line information configuration module, equipment state display module；

   The electric supply installation is connected with the short trouble detection module, the short trouble detection module and the line-to-ground Fault detection module is connected, and the line-to-ground fault detection module is connected with the load current detection module, the load Current detection module is connected with the fault alarm module；

   The electric supply installation includes high voltage induction electric supply installation and solar power supply apparatus.
2. A kind of 2. 10kV distribution line failures addressing system according to claim 1, it is characterised in that：The power module Including solar opto-electronic board.
3. A kind of 3. 10kV distribution line failures addressing system according to claim 1, it is characterised in that：The circuit collection Module is arranged on wireline inspection terminal inner, and the wireline inspection terminal is suspended on high-tension distributing line.
4. A kind of 4. 10kV distribution line failures addressing system according to claim 1, it is characterised in that：The inductive power supply Device includes power taking magnetic circuit and the power-supply circuit being attached thereto.
5. A kind of 5. 10kV distribution line failures addressing system according to claim 1, it is characterised in that：The fault alarm Module includes alarm lamp.
6. A kind of 6. 10kV distribution line failures addressing system according to claim 1, it is characterised in that：The mobile communication Terminal includes smart mobile phone.
7. A kind of 7. 10kV distribution line failures addressing system according to claim 1, it is characterised in that：The circuit collection Module includes dsp chip.