CN209014055U - One kind being based on IEC61850 protocol-intelligent substation data acquisition system - Google Patents
One kind being based on IEC61850 protocol-intelligent substation data acquisition system Download PDFInfo
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- CN209014055U CN209014055U CN201821987042.9U CN201821987042U CN209014055U CN 209014055 U CN209014055 U CN 209014055U CN 201821987042 U CN201821987042 U CN 201821987042U CN 209014055 U CN209014055 U CN 209014055U
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Abstract
The utility model relates to one kind to be based on IEC61850 protocol-intelligent substation data acquisition system, the system includes: data acquisition device: including sensor group, digital data acquisition device and the analog quantity acquiring device connecting with sensor group, the analog quantity acquiring device is 16 analog-digital converters, the digital data acquisition device is general input/output end port collector, using 32 GPIO ports；Data processing equipment: including sequentially connected filtering transformation signal amplifier, FPGA processor and protocol converter, to realize transmission, filtering transformation, signal amplification and the specification conversion of acquisition data, the digital data acquisition device and analog quantity acquiring device are connect with filtering transformation signal amplifier respectively；Data presentation device: for an industrial computer, to show the data after specification conversion.Compared with prior art, the utility model has many advantages, such as to support specification, acquires accurate, at low cost, power consumption province.
Description
Technical field
The utility model relates to substation datas to acquire field, be become more particularly, to one kind based on IEC61850 protocol-intelligent
Power station data acquisition system.
Background technique
Substation data acquisition is the important link of system safe and stable operation.Relay protection, electric energy quality monitoring, disturbance
The application such as analysis requires the support of system operation data.With the access of renewable energy, digital transformer substation it is universal
Situations such as, width that system acquires data, precision, speed (real-time) made higher requirement.With Digitized transformation
For standing, the operation data (data such as three-phase voltage, current switch state, device temperature) of system need from electric mutual inductor into
Row acquisition realizes monitoring or hair by the way that interior network of standing is transmitted, receiving device receives or application apparatus handles data
Action command out, and entire communication process is built upon and carries out on the communication specification of IEC61850.The quality of communication affects
The realization of a variety of application functions of substation, and then influence the stability of system.Currently used acquisition device main function be from
Sensor acquires data, but does not support the IEC61850 normative translation of data, therefore can not carry out data communication；Simultaneously because number
According to the restriction of processing capacity and the requirement of real-time property, single data acquisition and transmission are generally only carried out, can not be accomplished complete
Face collecting data information, and data are not handled with (such as relay protection, power quality analysis) further.
Utility model content
The purpose of this utility model is exactly to provide one kind in order to overcome the problems of the above-mentioned prior art and be based on
IEC61850 protocol-intelligent substation data acquisition system.
The purpose of this utility model can be achieved through the following technical solutions:
One kind being based on IEC61850 protocol-intelligent substation data acquisition system, which includes:
Data acquisition device: including sensor group, digital data acquisition device and the analog acquisition being connect with sensor group
Device, the analog quantity acquiring device be 16 analog-digital converter AD7656, the digital data acquisition device be it is general input/it is defeated
Exit port collector, using 32 GPIO ports；
Data processing equipment: it is advised including sequentially connected filtering transformation signal amplifier, FPGA processor and IEC61850
About converter, it is described to realize transmission, filtering transformation, signal amplification and the conversion of IEC61850 specification of acquisition data
Digital data acquisition device and analog quantity acquiring device are connect with filtering transformation signal amplifier respectively；
Data presentation device: for an industrial computer, to show the data after the conversion of IEC61850 specification.
The sensor group includes voltage transformer, current transformer, baroceptor, air velocity transducer, wind direction biography
Sensor and temperature sensor.
The FPGA processor is the FPGA processor of embedded 32 ARM926.
The model XCKU040-FFVA1156ACY1509 of the FPGA processor.
The model JDZ10-3,6,10, the model LZZBJ9 of current transformer of the voltage transformer, air pressure transmission
The model MS5201-BD of sensor, the model YF83-ST2 of air velocity transducer, the model GZYK9X of wind transducer, temperature
Spend the model LM56 of sensor.
The digital data acquisition device is connect with external switching signal control cabinet, the type of the switching signal control cabinet
Number be PZ-30.
Compared with prior art, the utility model has the advantage that
(1) the utility model supports IEC61850 digital transformer substation communication criterion, with performance is strong, safety is good, can
The advantages that high by property and economic serviceability；
(2) the utility model optimizes the processing of data-signal, greatly improves the acquisition accuracy rate of signal；
(3) the utility model provides convenient industrial computer external equipment, can more intuitively carry out data and compare and divide
Analysis；
(4) the utility model is at low cost, power consumption saves, and is easily installed, debugs and safeguards.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the work flow diagram of the utility model.
Wherein: 1, data acquisition device, 2, data processing equipment, 3, data presentation device, 11, analog quantity acquiring device, 12,
Digital data acquisition device, 21, filtering transformation signal amplifier, 22, FPGA processor, 23, IEC61850 protocol converter, 3, data
Display device.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment:
As illustrated in fig. 1 and 2, present embodiment discloses a kind of intelligent substation data acquisition systems for supporting IEC61850 agreement
System, the system integration data acquisition device 1, data processing equipment 2 and data presentation device 3.Data acquisition device 1 includes mould
Analog quantity collector ADC and digital data acquisition device GPIO is responsible for the acquisition to digital quantity and analog quantity；Data processing equipment is embedded
The FPGA processor 22 of ARM926 realizes system data flow control and communication protocol conversion；Data presentation device 3 is industry meter
Calculation machine is responsible for the data that display is converted after data processing equipment is handled through IEC61850 specification.
Analog quantity acquiring device 11 uses 16 analog-digital converter AD7656, supports the input of 6 tunnel analog signals；Digital data acquisition
Device 12 uses 32 GPIO mouthfuls.
The analog quantity that analog quantity acquiring device 11 acquires is that voltage transformer (PT), the current transformer (CT) of substation are secondary
Voltage, the current signal of side, and the electric signal acquired by air pressure, wind speed, wind direction, temperature sensor, pass through analog signal
Acquisition port enters AD7656 chip, is converted to the accessible digital signal of system.Data processing equipment 2 uses XILINX company
XCKU040-FFVA1156ACY1509 model FPGA, embed 32 ARM926 processors, be responsible for data in acquisition port and
Transmission between processing unit, and to signal collected progress specification conversion, using IEC61850 protocol converter by data
It is packaged into the data packet for meeting IEC61850 agreement, supports the communication of digital transformer substation.
Data presentation device 3 is industrial computer, is responsible for display and advises after data processing equipment is handled through IEC61850
The data about converted, and analyzed and carry out dynamic monitoring.
The normal operation Step of the utility model is as follows:
S1, the system is installed at data source.By the voltage signal of transformer substation voltage mutual inductor secondary side, Current Mutual Inductance
The current signal of device secondary side, baroceptor, air velocity transducer, wind transducer and temperature sensor electric signal be transformed into
In analog voltage input range (+/- 10V or +/- 5V), it is connected to 6 paths of analog acquisition interface.
S2, data processing equipment ARM926 processor carry out AD acquisition, data flow control and data in processor
The conversion of IEC61850 protocol converter, open system carry out the acquisition and transmission of data；
S3, by the signal received and display device, i.e., industrial computer connects, can be by collected electric current, voltage, wind
It is come out to the data real-time display such as (speed), air pressure, temperature.
To sum up, a kind of intelligent substation data collection system based on IEC61850 agreement provided in this embodiment integrates
Analog signal, digital signal acquiring device and efficient data processor abundant and convenient and fast data presentation device, can
It realizes to system operation data, such as the signal acquisition of the intelligent primary equipment of digital transformer substation, and data is packaged and are turned
It is changed to the format for supporting IEC61850 agreement, integrated level is high, and it is small in size, it is easily installed debugging, supports digital transformer substation communication
Specification is not necessarily to external protocol converter, reduces costs.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (6)
1. one kind is based on IEC61850 protocol-intelligent substation data acquisition system, which is characterized in that the system includes:
Data acquisition device: including sensor group, digital data acquisition device and the analog quantity acquiring device being connect with sensor group, institute
The analog quantity acquiring device stated is 16 analog-digital converter AD7656, and the digital data acquisition device is general input/output terminal
Mouth collector, using 32 GPIO ports；
Data processing equipment: turn including sequentially connected filtering transformation signal amplifier, FPGA processor and IEC61850 specification
Parallel operation, to realize transmission, filtering transformation, signal amplification and the conversion of IEC61850 specification of acquisition data, the number
Amount collector and analog quantity acquiring device are connect with filtering transformation signal amplifier respectively；
Data presentation device: for an industrial computer, to show the data after the conversion of IEC61850 specification.
2. according to claim 1 a kind of based on IEC61850 protocol-intelligent substation data acquisition system, feature exists
In, the sensor group include voltage transformer, current transformer, baroceptor, air velocity transducer, wind transducer and
Temperature sensor.
3. according to claim 1 a kind of based on IEC61850 protocol-intelligent substation data acquisition system, feature exists
In the FPGA processor is the FPGA processor of embedded 32 ARM926.
4. according to claim 3 a kind of based on IEC61850 protocol-intelligent substation data acquisition system, feature exists
In the model XCKU040-FFVA1156ACY1509 of the FPGA processor.
5. according to claim 2 a kind of based on IEC61850 protocol-intelligent substation data acquisition system, feature exists
In, the model JDZ10-3,6,10, the model LZZBJ9 of current transformer of the voltage transformer, baroceptor
Model MS5201-BD, the model YF83-ST2 of air velocity transducer, the model GZYK9X of wind transducer, temperature sensing
The model LM56 of device.
6. according to claim 1 a kind of based on IEC61850 protocol-intelligent substation data acquisition system, feature exists
In the digital data acquisition device is connect with external switching signal control cabinet, the model of the switching signal control cabinet
PZ-30。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821987042.9U CN209014055U (en) | 2018-11-29 | 2018-11-29 | One kind being based on IEC61850 protocol-intelligent substation data acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821987042.9U CN209014055U (en) | 2018-11-29 | 2018-11-29 | One kind being based on IEC61850 protocol-intelligent substation data acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209014055U true CN209014055U (en) | 2019-06-21 |
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ID=66843341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821987042.9U Active CN209014055U (en) | 2018-11-29 | 2018-11-29 | One kind being based on IEC61850 protocol-intelligent substation data acquisition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209014055U (en) |
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2018
- 2018-11-29 CN CN201821987042.9U patent/CN209014055U/en active Active
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