CN110474430A - A kind of intelligent distributed distribution power automation terminal of self-cure type and its system - Google Patents
A kind of intelligent distributed distribution power automation terminal of self-cure type and its system Download PDFInfo
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- CN110474430A CN110474430A CN201910879893.4A CN201910879893A CN110474430A CN 110474430 A CN110474430 A CN 110474430A CN 201910879893 A CN201910879893 A CN 201910879893A CN 110474430 A CN110474430 A CN 110474430A
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- 238000009826 distribution Methods 0.000 title claims abstract description 105
- 238000004891 communication Methods 0.000 claims abstract description 72
- 230000005611 electricity Effects 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000013499 data model Methods 0.000 claims description 5
- 241000272814 Anser sp. Species 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 4
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- 230000009977 dual effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 2
- 230000002146 bilateral effect Effects 0.000 description 12
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- 238000003825 pressing Methods 0.000 description 6
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of intelligent distributed distribution power automation terminal of self-cure type and systems, distribution power automation terminal includes comprehensive control communication unit and at least one Intelligent power distribution terminal for connecting respectively with the comprehensive control communication unit, the Intelligent power distribution terminal includes core processor and the communication module that connect respectively with the core processor, electricity sampling module, DO outputs module and DI is opened into module, it further include for the power module of each module for power supply, the core processor is also connect with the communication module, communication module in each distribution terminal unit respectively with the comprehensive control communication unit information exchange in the distribution terminal unit.The present invention solves the work state information that tradition relies on the monitoring of distribution main website, the storage switch node collected, and alleviates the workload of distribution main website, improves work efficiency.
Description
Technical field
The present invention relates to Distribution Automation Technology fields, and in particular to a kind of intelligent distributed power distribution automation of self-cure type is whole
End and its system.
Background technique
The electric system in China has formd the electricity being made of links such as power generation, power transformation, transmission of electricity, distribution, electricity consumptions at present
It can produce, the system of transmission, distribution and consumption, and distribution is the link for being directly connected to electricity consumption, the direct shadow of quality of distribution link
Ring the reliability and power supply quality of terminal user's electricity consumption.But for a long time, the power distribution automation degree of electric system is not high, uses
The problems such as family power off time is long, fault location is difficult, service restoration is difficult is not all solved really always.Traditional power distribution automation
Mode is the basic monitoring for using " main website+communication+terminal " Trinity mode to realize distribution automation function, but traditional
Power distribution automation mode, which relies primarily on main station system, can realize distribution feeder fault type and fault zone judgement, failure
Protection act excision, fault section isolation, non-faulting section restores electricity, line load turns confession, remote measure and communication information and SOE thing
Jian Shangsong main website etc., and there are certain times for the control and the processing of data of power distribution network for traditional distribution automation technology
Delay, is unable to satisfy the demand of the sensitive loads such as factory, hospital, needs to be optimized and improve as early as possible.
Summary of the invention
Based on the deficiencies of the prior art, the present invention is providing a kind of intelligent distributed distribution power automation terminal of self-cure type
Meanwhile a kind of intelligent distributed distribution power automation terminal system of self-cure type is additionally provided, solve the distribution of conventional electric power system certainly
The problems such as dynamicization degree is not high, customer outage hours are long, fault location is difficult and service restoration is difficult improves distribution feeder automation
Degree improves distribution Power System Reliability and power supply quality.
The technical solution of the present invention is as follows:
A kind of intelligent distributed distribution power automation terminal of self-cure type, it is characterised in that: including comprehensive control communication unit and
At least one Intelligent power distribution terminal connecting respectively with the comprehensive control communication unit, the Intelligent power distribution terminal include core
The processor and communication module connecting respectively with the core processor, electricity sampling module, DO output module and DI is opened into mould
Block further includes for the power module of each module for power supply, and the core processor is also connect with the communication module, each described to match
Communication module in electric terminals unit respectively with the comprehensive control communication unit information exchange in the distribution terminal unit;The electricity
Amount sampling module is used to acquire the operating condition of each node on distribution line, and core processor is used in a certain nodes break down
When, module cutting and isolated fault point are outputed by DO, and the association DO switching node information for outputing module in fault point is passed through
Communication module is transmitted to comprehensive control communication unit, and comprehensive control communication unit is communicated by control and switching with this comprehensive control
Unit communication connection and with this Intelligent power distribution terminal of fault point electrical correlation or/and the intelligence in addition to this Intelligent power distribution terminal
The DI of energy distribution terminal control opens the switching node into module, realizes the Conversion fault of fault point.
Further, the core processor and the communication module are passed based on IEC61850 data model and data
It is defeated.
Further, core processor uses 32 arm processors.
Further, the power module unit is powered by the way of the switching of 220V dual power supply, by power transformer
Working power is provided a system to after decompression transformation, by DC/DC direct current transducer generate 3.3V/5V voltage for core processor and
LCD MODULE work, conversion DC24V voltage work for I/O output input module.
Further, the LCD MODULE includes the processing core for the STM32 series connecting with the core processor
Piece and the LCD display and keyboard being separately connected with the processing chip.
Further, the core processor is also connected with FLASH flash memory.
Further, the core processor is also connected with DDR random access memory.
Further, the communication module uses 4G module.
Comprehensive control communication unit in each intelligent distributed distribution power automation terminal of self-cure type has distribution to be associated with it
Property the intelligent distributed distribution power automation terminal of other self-cure type in comprehensive control communication unit pass through it is logical based on GOOSE equity
Letter when a certain nodes break down, under the control of core processor, outputs module cutting and isolated fault point by DO, and
The associated DO in the fault point switching node information for outputing module is transmitted to comprehensive control communication unit by communication module, it is comprehensive
It is that telemetry communication unit is connect by control and switching with this comprehensive control communication unit communication and with fault point electrical correlation
Comprehensive control communication unit except Intelligent power distribution terminal and/or this comprehensive control unit, the DI in control system are opened into module
Switching node, realize fault point route isolation and conversion.
The invention has the benefit that each intelligence in the intelligent distributed distribution power automation terminal of self-cure type of the invention is matched
Electric terminals are connect with comprehensive control communication unit communication, Intelligent power distribution terminal responsible electrical node control work while,
It is also responsible for the realization of communication function, and comprehensive control unit is only responsible for communication function, and each Intelligent power distribution terminal communication connection is existed
Together, when line failure, comprehensive control unit comprehensive deploys the switching node in each Intelligent power distribution terminal, solves biography
System relies on the work state information of the monitoring of distribution main website, the storage switch node collected, and alleviates the workload of distribution main website, mentions
High working efficiency;
In addition, the intelligent distributed distribution power automation terminal system of self-cure type of the invention, using IEC61850 data model,
Using GOOSE peer-to-peer communications technology is based on, distributed FEEDER AUTOMATION is taken, the Automated water of intelligent distribution network is improved
It is flat, by the intelligent distributed distribution power automation terminal of self-cure type in each comprehensive control unit, monitor the operation of power distribution network, it can be with
Distribution main website is not depended on, once system jam, realizes the fast of feeder line by the intercommunication of comprehensive control unit automatically
Fast positioning failure, excision and isolated fault and non-faulting region such as restore electricity at the distribution automations function, improve intelligent distribution network
Self-healing ability, restore system as early as possible to the state that safely and steadily runs, and report distribution automatic treatment process and result
Change main website, the switchgear house that present invention may be broadly applicable in the electric system of 10KV, switch room, comprehensive room, is matched at ring network cabinet
The communications such as wireless 4G, optical fiber are supported in the places such as change, Switching Station, while flexibly configurable is to concentrate, on the spot, intelligently
Distributed feeder automation mode to adapt to field application, can with communication system match be combined into channel fashion various looped networks and
The electrical power distribution automatization system of non-looped network, cooperation with electronic station, main website realize the running state monitoring of distribution line, fault identification,
The distribution automations functions such as Fault Isolation and non-faulting region restore electricity.
Detailed description of the invention
Fig. 1 is the hardware block diagram of Intelligent power distribution terminal of the present invention;
Fig. 2 is the intelligent distributed distribution power automation terminal single node model structure of self-cure type;
Fig. 3 is the intelligent distributed distribution power automation terminal field application case of self-cure type.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of intelligent distributed distribution power automation terminal of self-cure type, including comprehensive control communication unit and respectively with it is described comprehensive
At least one Intelligent power distribution terminal for closing the connection of telemetry communication unit, as shown in Figure 1, the Intelligent power distribution terminal includes at core
Reason device and the communication module connecting respectively with the core processor, electricity sampling module, DO outputs module and DI is opened into module,
It further include for the power module of each module for power supply, the core processor is also connect with the communication module, each distribution
Communication module in terminal unit respectively with the comprehensive control communication unit information exchange in the distribution terminal unit;The electricity
Sampling module is used to acquire the operating condition of each node on distribution line, when a certain nodes break down, in core processor
Control under, module cutting and isolated fault point are outputed by DO, and output node for what the associated DO in fault point outputed module
Information is transmitted to comprehensive control communication unit by communication module, and comprehensive control communication unit passes through control and switching and this synthesis
Telemetry communication unit communication connection and with this Intelligent power distribution terminal of fault point electrical correlation or/and remove this Intelligent power distribution terminal
Except Intelligent power distribution terminal control DI open the switching node into module, realize the Conversion fault of fault point.At the core
Reason device and the communication module are transmitted based on IEC61850 data model and data.Core processor is using 32 ARM processing
Device.The power module unit is powered by the way of the switching of 220V dual power supply, is after power transformer decompression transformation
System provides working power, generates 3.3V/5V voltage for core processor and LCD MODULE work by DC/DC direct current transducer
Make, conversion DC24V voltage works for I/O output input module.The LCD MODULE includes connecting with the core processor
The processing chip of the STM32 series connect and the LCD display and keyboard being separately connected with the processing chip.The core processing
Device is also connected with FLASH flash memory.The core processor is also connected with DDR random access memory.The communication module uses 4G mould
Block.
As shown in Fig. 2, the intelligent distributed distribution power automation terminal single node of self-cure type based on IEC61850 communication protocol
Model.Switch SW need to be connected with other switches of two sides, and the join domain for then defining the two sides switch SW is respectively the side M and N
Side, the intelligent distributed distribution power automation terminal of this self-cure type carry out logical design by the switching node of maximum 3 branches in every side.It is right
In first opening pass and end switch, the side the M and side N has and only 1 side gusset.
Fig. 3 is a kind of each fault point logic function of network protection of the intelligent distributed distribution power automation terminal system of self-cure type
Application example, K1 failure: all block switch bilaterals have pressing position, interconnection switch bilateral to have pressure quartile;Fault case (M06,
M05, M04, F04 apply fault current and are greater than definite value, withdraw from fault current after F07 tripping), F04 switchs tripping, and M04 is not
Tripping.K2 failure: all block switch bilaterals have pressing position, interconnection switch bilateral to have pressure quartile;Fault case (M06, M05, M04
Apply fault current and be greater than definite value, withdraw from fault current after M04 tripping), the movement of M04 Fault Isolation does not start M03, M10
Contact is closed a floodgate.K3 failure: all block switch bilaterals have pressing position, interconnection switch bilateral to have pressure quartile;Fault case (M06, M05
Apply fault current and be greater than definite value, withdraw from fault current after M04, M05 tripping), the tripping of M04, M05 Fault Isolation, M03,
The higher interconnection switch of M10 priority closes a floodgate after delay.K4 failure: all block switch bilaterals have pressing position, contact to open
Closing bilateral has pressure quartile;Fault case (M06, F06 apply fault current and be greater than definite value, withdraw from fault current after F06 tripping),
The movement of F06 overcurrent, M05, M06 do not trip.K5 failure: all block switch bilaterals have pressing position, interconnection switch bilateral to have pressure point
Position;Fault case (M06 applies fault current and is greater than definite value, withdraws from fault current after M05, M06 tripping), M05, M06 failure
Isolation tripping, the higher interconnection switch of M03, M10 priority close a floodgate after delay.K6 failure: all block switch bilaterals have
Pressing position, interconnection switch bilateral have pressure quartile;Fault case (first opens and closes M06 decompression, the isolated fault after M06 tripping), M06 failure
Isolation tripping, the higher interconnection switch of M03, M10 priority close a floodgate after delay.
The intelligent distributed distribution power automation terminal system of this self-cure type utilizes IEC61850 data model, failure topology model construction
Technology, high speed Ethernet etc. take distributed FEEDER AUTOMATION using GOOSE peer-to-peer communications technology is based on, and improve intelligence
The automatization level of power distribution network monitors the operation of power distribution network by intellectual monitoring and automatic device, by having intelligent distributed feedback
The distribution terminal of line automation function and corresponding communication equipment composition, can not depend on distribution main website, once event occurs for system
Barrier, by between comprehensive control unit being in communication with each other automatic quick positioning failure, excision and the isolated fault for realizing feeder line and
The distribution automations functions such as non-faulting region restores electricity, improve the self-healing ability of intelligent distribution network, make system restore as early as possible to
State is safely and steadily run, and treatment process and result are reported into power distribution automation main station.Solves conventional electric power system
The problems such as power distribution automation degree is not high, customer outage hours are long, fault location is difficult and service restoration is difficult is to improve power distribution network feedback
Line automation degree is to improve the technical way of distribution Power System Reliability and power supply quality.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of intelligent distributed distribution power automation terminal of self-cure type, it is characterised in that: including comprehensive control communication unit and divide
At least one Intelligent power distribution terminal not connecting with the comprehensive control communication unit, the Intelligent power distribution terminal include at core
Reason device and the communication module connecting respectively with the core processor, electricity sampling module, DO outputs module and DI is opened into module,
It further include for the power module of each module for power supply, the core processor is also connect with the communication module, each distribution
Communication module in terminal unit respectively with the comprehensive control communication unit information exchange in the distribution terminal unit;The electricity
Sampling module is used to acquire the operating condition of each node on distribution line, and core processor is used in a certain nodes break down
When, module cutting and isolated fault point are outputed by DO, and the association DO switching node information for outputing module in fault point is passed through
Communication module is transmitted to comprehensive control communication unit, and comprehensive control communication unit is communicated by control and switching with this comprehensive control
Unit communication connection and with this Intelligent power distribution terminal of fault point electrical correlation or/and the intelligence in addition to this Intelligent power distribution terminal
The DI of energy distribution terminal control opens the switching node into module, realizes the Conversion fault of fault point.
2. the intelligent distributed distribution power automation terminal of self-cure type as described in claim 1, it is characterised in that: the core processing
Device and the communication module are transmitted based on IEC61850 data model and data.
3. the intelligent distributed distribution power automation terminal of self-cure type as claimed in claim 1 or 2, it is characterised in that: core processing
Device uses 32 arm processors.
4. the intelligent distributed distribution power automation terminal of self-cure type as described in claim 1, it is characterised in that: the power module
Unit is powered by the way of the switching of 220V dual power supply, provides a system to working power after power transformer decompression transformation,
It generates 3.3V/5V voltage by DC/DC direct current transducer to work for core processor and LCD MODULE, conversion DC24V electricity
Pressure works for I/O output input module.
5. the intelligent distributed distribution power automation terminal of self-cure type as described in claim 1, it is characterised in that: the liquid crystal display
Module includes the processing chip for the STM32 series connecting with the core processor and is separately connected with the processing chip
LCD display and keyboard.
6. the intelligent distributed distribution power automation terminal of self-cure type as described in claim 1, it is characterised in that: the core processing
Device is also connected with FLASH flash memory.
7. the intelligent distributed distribution power automation terminal of self-cure type as described in claim 1, it is characterised in that: the core processing
Device is also connected with DDR random access memory.
8. the intelligent distributed distribution power automation terminal of self-cure type as described in claim 1, it is characterised in that: the communication module
Using 4G module.
9. a kind of intelligent distributed distribution power automation terminal system of self-cure type, it is characterised in that: including any one of claim 1-8
The intelligent distributed distribution power automation terminal of the self-cure type, it is comprehensive in each intelligent distributed distribution power automation terminal of self-cure type
Close telemetry communication unit has the synthesis in the intelligent distributed distribution power automation terminal of other self-cure type of distribution relevance to survey with it
Communication unit is controlled by being based on GOOSE peer-to-peer communications, when a certain nodes break down, under the control of core processor, is passed through
DO outputs module cutting and isolated fault point, and the associated DO in the fault point switching node information for outputing module is passed through communication mould
Block is transmitted to comprehensive control communication unit, and comprehensive control communication unit is logical by control and switching and this comprehensive control communication unit
Believe connecting and is communicated with the comprehensive control except the Intelligent power distribution terminal of fault point electrical correlation and/or this comprehensive control unit
Unit, the DI in control system open the switching node into module, realize the route isolation and conversion of fault point.
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