CN206834733U - Based on GOOSE mode railway distribution system networking protection structures - Google Patents
Based on GOOSE mode railway distribution system networking protection structures Download PDFInfo
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- CN206834733U CN206834733U CN201720809463.1U CN201720809463U CN206834733U CN 206834733 U CN206834733 U CN 206834733U CN 201720809463 U CN201720809463 U CN 201720809463U CN 206834733 U CN206834733 U CN 206834733U
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Abstract
The utility model discloses based on GOOSE mode railway distribution system networking protection structures, including railway distribution system and railway distribution protection system, the railway distribution system includes two as the inlet wire of power supply and six buses, two buses in six buses carry out mother and are connected respectively with two inlet wires, on No. 1 bus and No. 2 buses also respectively with feeder line, capacitor connects with pressure regulator, the pressure regulator is also connected with being left four buses, remaining four buses are connected with through track respectively, the railway distribution protection system and six buses and its feeder line being connected, capacitor, pressure regulator and insertion lines matching.The reliability of relay protection, selectivity, quick-action, sensitivity requirements are met using the railway distribution system of said structure, realize the perfect protection of whole railway distribution system.
Description
Technical field
It the utility model is related to a kind of electric system networking protection structure, and in particular to based on GOOSE mode railway distributions
System networking protection structure.
Background technology
GOOSE is a kind of rapid message transmission mechanism in IEC61850, important between IED for transmitting in transformer station
Real time signal.GOOSE instead of the communication mode of hardwire between conventional substation device using network signal, greatly simplify
Substation secondary cable connection.It is mainly used in realizing the information transmission between more IED, including transmission breaker tripping and closing signal, tool
There is the high-transmission probability of success.Transmitted based on GOOSE network and realize the position of the switch, block signal and tripping operation instead of traditional hardwire
The transmitting of the real time information such as order.
Under current domestic railway distribution substation power supply mode, main protection of the overcurrent protection as feeder line, through track short trouble,
Main protection of the overcurrent protection as distribution substation's busbar short-circuit of inlet wire, mother and pressure regulator simultaneously, at the same as in end
The back-up protection of feeder line and through track.Overcurrent protection operation time limit coordinates step by step, prevents feeder line, self-closing through track and capacitor hair
There is tripping operation of bypassing the immediate leadership in inlet wire, mother or pressure regulator during raw failure, cause power failure area to expand, influence railway operation safety.In addition,
Coordinating step by step causes the overcurrent protection operation time limit at power supply point longer, is unfavorable for failure and quickly cuts off.
Utility model content
Technical problem to be solved in the utility model is to prevent from entering when feeder line, self-closing through track and capacitor failure
There is tripping operation of bypassing the immediate leadership in line, mother or pressure regulator, and cause power failure area to expand, influence railway operation safety, and coordinate causes to lean on step by step
Overcurrent protection operation time limit at nearly power supply point is longer, is unfavorable for failure and quickly cuts off, and it is an object of the present invention to provide being based on GOOSE side
Formula railway distribution system networking protection structure, solve to meet that reliability, selectivity, quick-action, the sensitivity of relay protection will
Ask, the problem of realizing the perfect protection of whole railway distribution system.
The utility model is achieved through the following technical solutions：
Protected based on GOOSE mode railway distribution system networking protection structures, including railway distribution system and railway distribution
Protecting system, the railway distribution system include two as the inlet wire of power supply and six buses, two in six buses
Bus is No. 1 bus and No. 2 buses, and No. 1 bus and No. 2 buses carry out mother and are connected respectively with two inlet wires, No. 1 mother
Also it is connected respectively with feeder line, capacitor and pressure regulator on line and No. 2 buses, the pressure regulator is also connected with being left four buses,
Remaining four buses are 3 to No. 6 buses and are respectively connected with through track that the railway distribution protects system and six mothers
Line and its feeder line of connection, capacitor, pressure regulator and insertion lines matching.Relay is met using the railway distribution system of said structure
The reliability of protection, selectivity, quick-action, sensitivity requirements, realize the perfect protection of whole railway distribution system.
The railway distribution protection system includes microcomputer incoming relay-protection device, the microcomputer connected by Ethernet with interchanger
Mother protection device, Computer feeder protection device, microcomputer capacitor protector, microcomputer pressure regulator protection device and microcomputer are self-closing
Through track protection device.
The microcomputer incoming relay-protection device, microcomputer mother protection device, Computer feeder protection device, microcomputer capacitor protection
GOOSE network is established between device, microcomputer pressure regulator protection device and the self-closing through track protection device of microcomputer, passes through GOOSE nets
Network completes communication.The hardwired communication mode of GPF (General Protection False device is instead of by GOOSE communication network transmission signals, eliminates institute
Complicated cable between interior device, protection device only need an optical fiber mutual by the interconnection between station level real-time performance protection device
It is logical.Other GOOSE is realized the intelligent monitoring of secondary circuit between device, improved by the continuous self-test in communication process
The reliability of control signal transmission.
The microcomputer incoming relay-protection device be the breaker being separately positioned on two inlet wires that connect with microcomputer of microcomputer with
Current transformer；The microcomputer mother protection device is being arranged between No. 1 bus and No. 2 buses of connecting of microcomputer and microcomputer
Breaker summation current transformer；The Computer feeder protection device is being arranged between bus and feeder line of connecting of microcomputer and microcomputer
Breaker summation current transformer；The microcomputer capacitor protector is arranged on bus and electric capacity for what microcomputer connected with microcomputer
Breaker summation current transformer between device；The microcomputer pressure regulator protection device is arranged on bus for what microcomputer connected with microcomputer
Breaker summation current transformer between pressure regulator；The self-closing through track protection device of microcomputer is what microcomputer connected with microcomputer
The breaker summation current transformer being arranged between bus and through track.
When the feeder line or the quantity of through track connected on every bus is more than 1, the breaker between bus and feeder line
Breaker between bus and through track matches one by one with feeder line and through track quantity., can be in circuit using said structure
The connection of the circuit is individually cut off during failure, avoids impacting All other routes.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model is based on GOOSE mode railway distribution system networking protection structures, overcomes conventional railway and matches somebody with somebody
The tripping operation of bypassing the immediate leadership that inlet wire, mother or pressure regulator are likely to occur when electric institute's feeder line, self-closing through track and capacitor failure, is caused
Power failure area expands, and influences railway operation safety, and bus can not rapidly cut off failure when nearby breaking down, and influences equipment fortune
The rough sledding of row safety；
2nd, the utility model is based on GOOSE mode railway distribution system networking protection structures, overcomes conventional second protection
Cable is complicated between device, and cable is unable to self-test extremely, the shortcomings of design, construction, debugging, troublesome maintenance；
3rd, the utility model is based on GOOSE mode railway distribution system networking protection structures, realizes network real-time intelligent
Monitoring, GOOSE, once finding that communication abnormality is reported immediately, are realized by the continuous monitoring GOOSE heartbeat messages in communication process
The intelligent monitoring of secondary circuit between device, the reliability of control signal transmission is improved, reduces O＆M difficulty.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the utility model railway distribution system schematic diagram；
Fig. 2 is that the utility model railway distribution protects system schematic.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
As shown in figure 1, the utility model is based on GOOSE mode railway distribution system networking protection structures, including railway
Distribution system and railway distribution protection system, the railway distribution system include two as the inlet wire of power supply and six buses,
Two buses in six buses are No. 1 bus and No. 2 buses, and No. 1 bus and No. 2 buses carry out mothers and respectively with two
Bar inlet wire connects, and is also connected respectively with feeder line, capacitor and pressure regulator on No. 1 bus and No. 2 buses, the pressure regulator is also
It is connected with being left four buses, remaining four buses are 3 to No. 6 buses and are respectively connected with through track, the railway
Power distribution protection system and six buses and its feeder line being connected, capacitor, pressure regulator and insertion lines matching.Using said structure
Railway distribution system meets the reliability of relay protection, selectivity, quick-action, sensitivity requirements, realizes whole railway distribution system
The perfect protection of system.
The railway distribution protection system includes microcomputer incoming relay-protection device, the microcomputer connected by Ethernet with interchanger
Mother protection device, Computer feeder protection device, microcomputer capacitor protector, microcomputer pressure regulator protection device and microcomputer are self-closing
Through track protection device.
The microcomputer incoming relay-protection device, microcomputer mother protection device, Computer feeder protection device, microcomputer capacitor protection
GOOSE network is established between device, microcomputer pressure regulator protection device and the self-closing through track protection device of microcomputer, passes through GOOSE nets
Network completes communication.The hardwired communication mode of GPF (General Protection False device is instead of by GOOSE communication network transmission signals, eliminates institute
Complicated cable between interior device, protection device only need an optical fiber mutual by the interconnection between station level real-time performance protection device
It is logical.Other GOOSE is realized the intelligent monitoring of secondary circuit between device, improved by the continuous self-test in communication process
The reliability of control signal transmission.
The microcomputer incoming relay-protection device be the breaker being separately positioned on two inlet wires that connect with microcomputer of microcomputer with
Current transformer；The microcomputer mother protection device is being arranged between No. 1 bus and No. 2 buses of connecting of microcomputer and microcomputer
Breaker summation current transformer；The Computer feeder protection device is being arranged between bus and feeder line of connecting of microcomputer and microcomputer
Breaker summation current transformer；The microcomputer capacitor protector is arranged on bus and electric capacity for what microcomputer connected with microcomputer
Breaker summation current transformer between device；The microcomputer pressure regulator protection device is arranged on bus for what microcomputer connected with microcomputer
Breaker summation current transformer between pressure regulator；The self-closing through track protection device of microcomputer is what microcomputer connected with microcomputer
The breaker summation current transformer being arranged between bus and through track.
When the feeder line or the quantity of through track connected on every bus is more than 1, the breaker between bus and feeder line
Breaker between bus and through track matches one by one with feeder line and through track quantity., can be in circuit using said structure
The connection of the circuit is individually cut off during failure, avoids impacting All other routes.
As a result of said structure, so as to realize overcurrent protection, its course of work is：Work as line failure,
When the electric current that microcomputer protecting device is measured by its current transformer is more than rated load current, microcomputer protecting device is based on the electricity
This line-breaker of stream signal tripping, so as to realize overcurrent protection.Meanwhile the overcurrent protection delay of microcomputer incoming relay-protection device will
Escape microcomputer mother protection device, Computer feeder protection device, microcomputer capacitor protector and microcomputer pressure regulator protection device
Overcurrent protection delay, microcomputer pressure regulator protection device overcurrent protection delay to escape the self-closing through track protection device of microcomputer
Overcurrent delay, prevent that microcomputer protecting device from bypassing the immediate leadership tripping operation.The utility model can not only realize above-mentioned function, moreover it is possible to realize that bus joins
Lock protection and breaker fail protection, its course of work are as follows：
Bus interlock protection：When bus breaks down, the electric current that microcomputer protecting device is measured by its current transformer is big
When rated load current, microcomputer protecting device is based on the current signal tripping this line-breaker, so as to realize that bus interlocks
Protection.The mother protection of microcomputer incoming relay-protection device, microcomputer mother protection device and microcomputer pressure regulator protection device is as its confession
Main protection when goddess of lightning's line breaks down, when self-closing through track breaks down, its microcomputer protecting device sends excessively stream locking GOOSE
Signal gives pressure regulator protection device, the bus interlock protection of locking pressure regulator protection device；When feeder line, capacitor and pressure regulator are sent out
During raw failure, its microcomputer protecting device sends excessively stream locking GOOSE signals and gives this side microcomputer incoming relay-protection device, including locking sheet
The bus interlock protection of side microcomputer incoming relay-protection device, if this side lead-in circuit breaker, which is in, divides position, its microcomputer protecting device hair
Pass through stream locking GOOSE signals and give microcomputer mother protection device, the bus interlock protection of locking microcomputer mother protection device；
Breaker fail protection：Work as line failure, microcomputer protecting device excision breaker is unsuccessful, then sends open circuit
Device failure GOOSE signals give upper level microcomputer protecting device, and starting breaker fail protection by upper level microcomputer protecting device cuts
Except failure, so as to realize breaker fail protection, when self-closing through track breaks down, its microcomputer protecting device excision failure is not
It is successful then send breaker failure GOOSE signals give pressure regulator protection device, by pressure regulator protection device breaker failure protect
This side breaker excision failure of shield tripping；When feeder line, capacitor and pressure regulator break down, the excision event of its microcomputer protecting device
It is to send breaker failure GOOSE signals to give this side microcomputer incoming relay-protection device to hinder unsuccessful, by this side incoming relay-protection device
This side breaker excision failure of breaker fail protection tripping, if this side lead-in circuit breaker, which is in, divides position, its Microcomputer Protection dress
Put transmission breaker failure GOOSE signals and give microcomputer mother protection device, protected by the breaker failure of microcomputer mother protection device
This side breaker excision failure of shield tripping.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (5)
1. GOOSE mode railway distribution system networking protection structures are based on, including railway distribution system and railway distribution protection
System, it is characterised in that the railway distribution system includes two as the inlet wire of power supply and six buses, six buses
In two buses be No. 1 bus and No. 2 buses, No. 1 bus and No. 2 buses carry out mothers and are connected respectively with two inlet wires,
Also it is connected respectively with feeder line, capacitor and pressure regulator on No. 1 bus and No. 2 buses, the pressure regulator is also with being left four
Bus connects, and remaining four buses are 3 to No. 6 buses and are respectively connected with through track, the railway distribution protection system
System and six buses and its feeder line being connected, capacitor, pressure regulator and insertion lines matching.
2. according to claim 1 be based on GOOSE mode railway distribution system networking protection structures, it is characterised in that
The railway distribution protection system includes microcomputer incoming relay-protection device, the protection of microcomputer mother connected by Ethernet with interchanger
Device, Computer feeder protection device, microcomputer capacitor protector, microcomputer pressure regulator protection device and the self-closing through track of microcomputer are protected
Protection unit.
3. according to claim 2 be based on GOOSE mode railway distribution system networking protection structures, it is characterised in that
It is the microcomputer incoming relay-protection device, microcomputer mother protection device, Computer feeder protection device, microcomputer capacitor protector, micro-
GOOSE network is established between machine pressure regulator protection device and the self-closing through track protection device of microcomputer, is completed by GOOSE network logical
Letter.
4. according to claim 2 be based on GOOSE mode railway distribution system networking protection structures, it is characterised in that
The microcomputer incoming relay-protection device is the breaker and Current Mutual Inductance that are separately positioned on two inlet wires that microcomputer connects with microcomputer
Device；The microcomputer mother protection device be the breaker being arranged between No. 1 bus and No. 2 buses that microcomputer and microcomputer connect and
Current transformer；The Computer feeder protection device is the breaker being arranged between bus and feeder line that microcomputer and microcomputer connect
Summation current transformer；The microcomputer capacitor protector is being arranged between bus and capacitor of connecting of microcomputer and microcomputer
Breaker summation current transformer；The microcomputer pressure regulator protection device is arranged on bus and pressure regulator for what microcomputer connected with microcomputer
Between breaker summation current transformer；The self-closing through track protection device of microcomputer is arranged on mother for what microcomputer connected with microcomputer
Breaker summation current transformer between line and through track.
5. according to claim 4 be based on GOOSE mode railway distribution system networking protection structures, it is characterised in that
When the feeder line or the quantity of through track connected on every bus is more than 1, breaker and bus between bus and feeder line and
Breaker between through track matches one by one with feeder line and through track quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809463.1U CN206834733U (en) | 2017-07-05 | 2017-07-05 | Based on GOOSE mode railway distribution system networking protection structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809463.1U CN206834733U (en) | 2017-07-05 | 2017-07-05 | Based on GOOSE mode railway distribution system networking protection structures |
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| Publication Number | Publication Date |
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| CN206834733U true CN206834733U (en) | 2018-01-02 |
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| CN201720809463.1U Active CN206834733U (en) | 2017-07-05 | 2017-07-05 | Based on GOOSE mode railway distribution system networking protection structures |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370131A (en) * | 2017-07-05 | 2017-11-21 | 成都交大许继电气有限责任公司 | A kind of networking protection system and method for railway distribution system |
-
2017
- 2017-07-05 CN CN201720809463.1U patent/CN206834733U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370131A (en) * | 2017-07-05 | 2017-11-21 | 成都交大许继电气有限责任公司 | A kind of networking protection system and method for railway distribution system |
| CN107370131B (en) * | 2017-07-05 | 2020-04-21 | 成都交大许继电气有限责任公司 | Networked protection system and method for railway power distribution system |
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