CN206698023U - A kind of one or two fusion FTU devices of controller switching equipment - Google Patents

Abstract

The utility model discloses a primary and secondary fusion FTU device for power distribution equipment, which comprises a telemetry module, a remote signaling module, a remote control module, a line loss acquisition module, an electronic sensor module and a central processing unit, the telemetry module, the The remote signaling module, the remote control module, the line loss acquisition module, and the electronic sensor module are respectively connected to the central processing unit; the electronic sensor module is used to collect small AC analog quantities in power distribution equipment signal, and transmit the collected signal to the central processing unit; the line loss collection module is used to realize the measurement of forward and reverse active power, four-quadrant reactive power and power factor. The primary and secondary fusion FTU device for power distribution equipment of the utility model integrates three remote functions, line loss collection function, fault recording function, and freezing data recording function, which effectively solves the mismatch between the primary and secondary equipment interfaces, and is compatible with The technical problems of poor performance, expandability and interchangeability.

Description

A primary and secondary fusion FTU device for power distribution equipment

technical field

The utility model relates to the technical field of distribution network automation, in particular to a primary and secondary fusion FTU device for power distribution equipment.

Background technique

The Ministry of Transportation and Inspection of the State Grid launched the primary and secondary integration of power distribution equipment in May 2016. The primary and secondary integration is the task of the future smart distribution network. After the implementation of the project, it will effectively promote the automation level of my country's distribution network, ensure the safety and reliability of electricity consumption, enrich the connotation of urban services, and improve the quality of power supply. It can solve the problems of incremental equipment distribution automation coverage and primary and secondary equipment mismatch problems in the large-scale construction and transformation of distribution networks, and at the same time realize the simultaneous management of "four divisions" (division, voltage division, component division, and division area) of line loss Target.

Utility model content

The purpose of this utility model is to study a primary and secondary fusion FTU device for power distribution equipment. The FTU device integrates three remote functions, line loss collection function, fault recording function, and freezing data recording function. The detailed technical scheme is as follows :

A primary and secondary fusion FTU device for power distribution equipment, which includes a telemetry module, a remote signaling module, a remote control module, a line loss acquisition module, an electronic sensor module and a central processing unit, the telemetry module, the remote signaling module, The remote control module, the line loss acquisition module, and the electronic sensor module are respectively connected to the central processing unit; the electronic sensor module is used to collect small AC analog signals in the primary equipment, and collects The signal is transmitted to the central processing unit; the line loss acquisition module is used to realize the measurement of forward and reverse active power, four-quadrant reactive power and power factor.

In a specific embodiment, the electronic sensor module includes an electronic voltage sensing module and an electronic current sensing module.

In a specific embodiment, the central processing unit includes a DSP chip and a PowerPC chip,

In a specific embodiment, it also includes an wave recording start module, and the wave record start module is event-triggered wave recording.

The primary and secondary fusion FTU device for power distribution equipment of the utility model integrates three remote functions, line loss collection function, fault recording function, and freezing data recording function, which effectively solves the mismatch between the primary and secondary equipment interfaces, and is compatible with Technical problems of poor performance, expandability and interchangeability.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating preferred embodiments, and are not considered to limit the present invention. Also throughout the drawings, the same reference numerals are used to designate the same parts.

Fig. 1 is the structural schematic diagram of the FTU device provided by the utility model.

detailed description

As shown in Figure 1, the utility model discloses a primary and secondary fusion FTU device for power distribution equipment, including a central processing unit 1, a telemetry module 2, a remote control module 3, a remote signaling module 4, a line loss acquisition module 5 and an electronic type sensor module6. The telemetry module 2 , the remote control module 3 , the remote signaling module 4 , the line loss collection module 5 , and the electronic sensor module 6 are respectively connected to the central processing unit module 1 .

The telemetry module 2, the remote control module 3 and the remote signaling module 4 realize the three remote functions of the FTU device, wherein: the telemetry module 2 is used to collect the operating parameters of the remote equipment, including various electrical quantities (voltage, current, power, etc. on the line) value) and load flow, etc. The remote signaling module 4 is used to collect and transmit various protection and switching value information. The remote control module 3 is used to accept and execute remote control commands, mainly opening and closing, and remotely controlling the switch control equipment.

The electronic sensor module 6 includes an electronic voltage sensing module and an electronic current sensing module, and the electronic sensor module 6 can be connected to the switch body of the primary equipment (with a voltage transformer installed therein) through an outdoor fully insulated cable. and current transformer) to realize the acquisition of small analog signals such as voltage, three-phase current, frequency, zero-sequence current and zero-sequence voltage of primary equipment.

In this embodiment, the electronic sensor module 6 uses an anti-interference signal conditioning circuit, which can effectively suppress the zero drift of the device.

The line loss acquisition module 5 is based on the small AC analog signal collected by the electronic sensor module 6 to realize the measurement of forward and reverse active power, four-quadrant reactive power and power factor. At the same time, the line loss acquisition module 5 has a measurement data freezing function, including daily freezing and freezing data when the power direction changes.

The central processing unit can realize the fault wave recording function, which includes a DSP chip and a PowerPC chip, wherein: the DSP chip is used for sampling control, wave recording start condition control, and waveform memory before a fault. The DSP chip can record the waveform data of 6 cycles before the fault and 10 cycles after the fault, and the number of recording points is 128 points/cycle. The PowerPC chip is used for the storage and format conversion of the wave recording data, so that the format of the wave recording data follows the Comtrade1999 standard. The wave recording data is stored in CFG and DAT files, and can be sent to the master station through the communication module 6.

The FTU device in this embodiment also includes a wave recording start module, and the wave record start module is event-triggered wave recording. When abnormal conditions such as overcurrent fault, line pressure, zero-sequence voltage, and zero-sequence circuit mutation occur, the wave recording start module is triggered and sends a trigger command to the central processing unit 1 .

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model in any form. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the Within the scope of the technical solution of the utility model.

Claims (4)

1. A primary and secondary fusion FTU device for power distribution equipment, characterized in that: it includes a telemetry module, a remote signaling module, a remote control module, a line loss acquisition module, an electronic sensor module and a central processing unit, the telemetry module, The remote signaling module, the remote control module, the line loss collection module, and the electronic sensor module are respectively connected to the central processing unit; The electronic sensor module is used to collect small AC analog signals in primary equipment, and transmits the collected signals to the central processing unit; the line loss collection module is used to realize forward and reverse active power, four-quadrant Measurement of reactive power and power factor. 2. The primary-secondary fusion FTU device according to claim 1, wherein the electronic sensor module includes an electronic voltage sensing module and an electronic current sensing module. 3. A secondary fusion FTU device as claimed in claim 1, characterized in that: said central processing unit includes a DSP chip and a PowerPC chip. 4. The primary-secondary fusion FTU device according to claim 1, characterized in that: it also includes an wave recording start module, and the wave record start module is an event-triggered wave record.