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 PDF

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Publication number
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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China
Prior art keywords
module
distribution
power
self
terminal
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Pending
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CN201910879893.4A
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Chinese (zh)
Inventor
唐冬华
叶广林
杨培林
张俊
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Zhuhai Ouli Distribution Network Automation Co Ltd
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Zhuhai Ouli Distribution Network Automation Co Ltd
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Priority to CN201910879893.4A priority Critical patent/CN110474430A/en
Publication of CN110474430A publication Critical patent/CN110474430A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261Sectionalised 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
    • H02H7/262Sectionalised 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

A kind of intelligent distributed distribution power automation terminal of self-cure type and its system
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.
CN201910879893.4A 2019-09-18 2019-09-18 A kind of intelligent distributed distribution power automation terminal of self-cure type and its system Pending CN110474430A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102332751A (en) * 2011-07-13 2012-01-25 国电南京自动化股份有限公司 Measurement and control device connected with double sets of process layer devices in intelligent substation and measurement and control method thereof
CN202309231U (en) * 2011-11-05 2012-07-04 童淮安 Automatic distribution remote control terminal ftu
US20120327989A1 (en) * 2011-06-27 2012-12-27 Shanxilinfen Power Supply Company Smart feed line automation system based on 10kv carrier communication
CN102946149A (en) * 2012-12-06 2013-02-27 广州南方电力集团科技发展有限公司 Automatic monitoring terminal for distributed distribution network
CN105449865A (en) * 2015-12-17 2016-03-30 南京因泰莱电器股份有限公司 Intelligent (feeder terminal unit) FTU used for fault positioning and isolating for distribution network
CN105790442A (en) * 2016-05-05 2016-07-20 柴永朋 Distributed intelligent feeder automation system capable of achieving quick self-healing
CN106253250A (en) * 2016-08-23 2016-12-21 江苏方天电力技术有限公司 A kind of distributed rapid protection system of intelligent distribution network and guard method
CN106816956A (en) * 2017-01-16 2017-06-09 珠海驰纬电气有限公司 A kind of distribution power automation terminal based on intelligent distributed principle
CN211239448U (en) * 2019-09-18 2020-08-11 珠海欧力配网自动化股份有限公司 Self-healing intelligent distributed power distribution automation terminal

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120327989A1 (en) * 2011-06-27 2012-12-27 Shanxilinfen Power Supply Company Smart feed line automation system based on 10kv carrier communication
CN102332751A (en) * 2011-07-13 2012-01-25 国电南京自动化股份有限公司 Measurement and control device connected with double sets of process layer devices in intelligent substation and measurement and control method thereof
CN202309231U (en) * 2011-11-05 2012-07-04 童淮安 Automatic distribution remote control terminal ftu
CN102946149A (en) * 2012-12-06 2013-02-27 广州南方电力集团科技发展有限公司 Automatic monitoring terminal for distributed distribution network
CN105449865A (en) * 2015-12-17 2016-03-30 南京因泰莱电器股份有限公司 Intelligent (feeder terminal unit) FTU used for fault positioning and isolating for distribution network
CN105790442A (en) * 2016-05-05 2016-07-20 柴永朋 Distributed intelligent feeder automation system capable of achieving quick self-healing
CN106253250A (en) * 2016-08-23 2016-12-21 江苏方天电力技术有限公司 A kind of distributed rapid protection system of intelligent distribution network and guard method
CN106816956A (en) * 2017-01-16 2017-06-09 珠海驰纬电气有限公司 A kind of distribution power automation terminal based on intelligent distributed principle
CN211239448U (en) * 2019-09-18 2020-08-11 珠海欧力配网自动化股份有限公司 Self-healing intelligent distributed power distribution automation terminal

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