CN107611944B - A kind of intelligent substation secondary protection equipment safety quarantine measures automatic analysis method - Google Patents
A kind of intelligent substation secondary protection equipment safety quarantine measures automatic analysis method Download PDFInfo
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- CN107611944B CN107611944B CN201710856671.1A CN201710856671A CN107611944B CN 107611944 B CN107611944 B CN 107611944B CN 201710856671 A CN201710856671 A CN 201710856671A CN 107611944 B CN107611944 B CN 107611944B
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- 238000004458 analytical method Methods 0.000 title claims abstract description 13
- 230000004224 protection Effects 0.000 title claims description 30
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 241000272814 Anser sp. Species 0.000 claims description 31
- 238000002955 isolation Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 239000011800 void material Substances 0.000 claims 1
- 230000007547 defect Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
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Abstract
The invention discloses a kind of intelligent substation secondaries to protect equipment safety quarantine measures automatic analysis method, is based on SCD model, constructs empty path incidence model between first and second equipment correlation model and secondary device.For the primary equipment that needs have a power failure, associated secondary device is obtained automatically according to correlation model.The secondary device that needs are overhauled, the other secondary devices being associated are searched by Quadratic Imaginary circuit, had a power failure or the peace of power-off condition does not arrange principle according to secondary device, analyzing can make the peace be reliably isolated of secondary device of maintenance arrange operation, further it is efficient examine to pacify arranges operation order whether safe and reliable.
Description
Technical field
The present invention relates to technical field of electric power automation more particularly to a kind of intelligent substation secondary protection equipment safety every
From measure automatic analysis method.
Background technique
Currently, the circuit form of the composition of relay protection device of intelligent substation and conventional stations have larger difference, secondary circuit
The digital message composition being changed under IEC61850 specification, analog quantity sampling circuit use the SV message of IEC61850 9-2, protection
The information such as tripping, input and output use the GOOSE message of IEC61850 8-1.Intelligent substation changes, extends and when turnaround of unit,
The operation of secondary device safety measure mainly by breaker tripping and closing output clamping, maintenance pressing plate, GOOSE send to receive soft pressing plate etc. a variety of
The features such as peace arranges technical combinations to form, and that there is pressing plate quantity is more, not intuitive, without " obvious electrical break point ", in operation
It is easy to cause leakage to throw move back, miscarry and move back.Once there is leakage throwing, miscarrying will result in serious electric network fault.
The normal safety inspection of secondary device arranges operation order using the peace finished, carries out safety operation.But intelligence
Energy substation is in enlarging, reconstruction and unconventional maintenance, it usually needs interim manual compiling safety operation ticket, so safety
The quality of writing of operation order is also a problem place, and it is a urgent need solution that relevant secondary device, which how is isolated to high efficient and reliable,
Certainly the problem of, how to carry out preoperative safety analysis to safety operation ticket is also to be difficult to solve the problems, such as.
Summary of the invention
The object of the present invention is to provide a kind of intelligent substation secondaries to protect equipment safety quarantine measures automatic analysis method,
Must operating for secondary device security isolation can be analyzed, to be able to verify that peace arranges operation order whether safe and reliable.
The technical solution adopted by the present invention are as follows:
A kind of intelligent substation secondary protection equipment safety quarantine measures automatic analysis method, comprising the following steps:
A: it is based on SCD model, the empty path incidence model between the association of first and second equipment of building and secondary device: is utilized
The information modelings such as the primary equipment configuration of SCD file, secondary device configuration, communication, pressing plate, the association of first and second equipment of building and
Empty path incidence model between secondary device；
B: analysis, which obtains, needs the equipment collection be isolated: obtaining a secondary device to be isolated or deactivated once sets
It is standby, if it is deactivated primary equipment is needed, then relevant secondary device is obtained automatically according to correlation model, relevant secondary
Equipment is associated with secondary device collection to be isolated；If it is a secondary device to be isolated, then the secondary device with isolation
The equipment collection that ontology is isolated as needs；
C: the secondary device investment maintenance pressing plate that the equipment be isolated of needs is concentrated, and successively judge to be isolated secondary set
It is standby to concentrate whether secondary device is protected device, D is then entered step if not protected device, is set if it is by protection
It is standby, then first protected secondary device is carried out entering back into step D after protection is exited；
D: the secondary device method of operation concentrated to the equipment that needs are isolated checks: not stopping if it is primary equipment
Electricity then guarantees that primary equipment has double set protections and at least a set of protection operates normally, then carries out in next step, otherwise directly
Binding beam；
E: in above-mentioned steps D primary equipment and/or secondary device successively according to secondary device have a power failure or do not have a power failure
The safety measure principle of situation analyzes the safety measure operation that can make that the secondary device overhauled is needed reliably to be isolated, thus according to
Security isolation is completed in safety measure operation accordingly.
Security isolation is carried out to each secondary device and/or primary equipment of secondary device to be isolated concentration in the step E
Specifically comprise the following steps:
E1: all secondary circuits in each secondary device concentrated to secondary device to be isolated successively traverse, and obtain
The equipment connected to the empty circuit other end, to judge that the empty circuit of each secondary circuit is to belong to the circuit GOOSE or SV
Circuit, wherein the equipment and circuit to circuit both ends carry out isolated operation, if primary equipment does not have a power failure, must assure that has
Double sets are protected and have a set of protection to operate normally, and otherwise isolated process exits；
E2: if the empty circuit of secondary device to be isolated belongs to the circuit GOOSE, to this relevant equipment to be isolated
The circuit GOOSE and terminal device execute peace and arrange isolation: specifically including and exit equipment GOOSE output clamping, it is another to exit the circuit GOOSE
The GOOSE of one end running equipment receives pressing plate, and wherein equipment is concentrated between secondary device to be isolated relevant to primary equipment
GOOSE pressing plate does not move back；
E3: if the empty circuit of equipment to be isolated is to be not belonging to the circuit GS, equipment to be isolated is to belong to the circuit SV, to this
The circuit SV of relevant equipment to be isolated and the other end execute peace and arrange isolation: specifically including: the protection equipment of the circuit the SV other end
SV need to be exited and receive pressing plate, need to deactivate the protective device for receiving SV, device SV receives pressing plate and can not move back.
The present invention is based on SCD model, empty path incidence model between the association of first and second equipment and secondary device is constructed.It is right
In the primary equipment that needs have a power failure, associated secondary device is obtained automatically according to correlation model.Two that needs are overhauled
Secondary device searches the other secondary devices being associated by Quadratic Imaginary circuit, is having a power failure or is not having a power failure according to secondary device
The peace of situation arranges principle, and the peace that analyzing can be such that the secondary device of maintenance is reliably isolated arranges operation, and further efficient examine is pacified
Arrange operation order whether safe and reliable.
Detailed description of the invention
Fig. 1 is flow chart figure of the invention；
Fig. 2 is the flow chart of security isolation of the present invention.
Specific embodiment
As illustrated in fig. 1 and 2, the present invention includes that a kind of intelligent substation secondary protection equipment safety quarantine measures automatically analyze
Method, comprising the following steps:
A: being based on SCD model, constructs the empty path incidence model between first and second equipment correlation model and secondary device:
Using information modelings such as the primary equipment configuration of SCD file, secondary device configuration, communication, pressing plates, constructs first and second equipment and close
Empty path incidence model between gang mould type and secondary device；
B: analysis, which obtains, needs the equipment collection be isolated: obtaining a secondary device to be isolated or deactivated once sets
It is standby, if it is deactivated primary equipment is needed, then relevant secondary device is obtained automatically according to correlation model, to be deactivated one
Secondary device and obtained relevant secondary devices all therewith are associated with the secondary device collection with isolation；It is to be isolated if it is one
Secondary device, then using the secondary device ontology with isolation as needing the equipment collection be isolated；
C: the secondary device investment maintenance pressing plate that the equipment be isolated of needs is concentrated, and successively judge to be isolated secondary set
It is standby to concentrate whether secondary device is protection equipment, D is then entered step if not protection equipment, if it is protection equipment, is then protected
Shield enters back into step D after exiting；
D: the method for operation of secondary device and/or primary equipment that the equipment that needs are isolated is concentrated is checked: if it is
Primary equipment does not have a power failure, then guarantees that primary equipment has double set protections and at least a set of protection operates normally, then carry out
In next step, otherwise direct termination of security analysis process；
E: successively having a power failure or the safety of power-off condition is not arranged according to secondary device to the secondary device in above-mentioned steps D
Principle is applied, the safety measure operation that can make that the secondary device overhauled is needed reliably to be isolated is analyzed, thus according to this safety measure
Security isolation is completed in operation.Carrying out isolated operation to the equipment at circuit both ends and circuit in the present invention, (isolated operation refers to moving back
The transmission in the circuit GOOSE and SV, reception pressing plate out, it is also possible to including operations such as protection the out of service of equipment, output clampings),
If primary equipment does not have a power failure, must assure that, there are double sets to protect and have a set of protection to operate normally, otherwise isolated process
It exits.
Each secondary device progress security isolation that secondary device to be isolated is concentrated is specifically included in the step E as follows
Step:
E1: all secondary circuits in each secondary device concentrated to secondary device to be isolated successively traverse, and obtain
The equipment connected to the empty circuit other end, to judge that the empty circuit of each secondary circuit is to belong to the circuit GOOSE or SV
Circuit；Equipment and circuit to circuit both ends carry out isolated operation, and (isolated operation generally referred to as exits the circuit GOOSE and SV
Send, receive pressing plate, it is also possible to including operations such as protection the out of service of equipment, output clampings), if primary equipment does not stop
Electricity, then must assure that, there are double sets to protect and have a set of protection to operate normally, and otherwise isolated process exits；
E2: if the empty circuit of secondary device to be isolated belongs to the circuit GOOSE, to this relevant equipment to be isolated
The circuit GOOSE and terminal device execute peace and arrange isolation: specifically including and exit equipment GOOSE output clamping, it is another to exit the circuit GOOSE
The GOOSE of one end running equipment receives pressing plate, and wherein equipment is concentrated between secondary device to be isolated relevant to primary equipment
GOOSE pressing plate does not move back；
E3: if the empty circuit of equipment to be isolated is to be not belonging to the circuit GS, equipment to be isolated is to belong to the circuit SV, to this
The circuit SV of relevant equipment to be isolated and the other end execute peace and arrange isolation: specifically including: the protection equipment of the circuit the SV other end
SV need to be exited and receive pressing plate, need to deactivate the protective device for receiving SV, device SV receives pressing plate and can not move back.
This patent constructs empty path incidence mould between the association of first and second equipment and secondary device based on new SCD model
Type.For the primary equipment that needs have a power failure, associated secondary device is obtained automatically according to correlation model.For needing to overhaul
Secondary device, other secondary devices for being associated are searched by Quadratic Imaginary circuit, are being had a power failure or not according to secondary device
The peace of power-off condition arranges principle, and the peace that analyzing can be such that the secondary device of maintenance is reliably isolated arranges operation；
Peace arranges the main principle of isolation as follows: when the verification of 1 device or the field operations such as defect elimination, should be isolated sampling, tripping,
Close a floodgate, open it is relevant to running equipment in failure circuit contact, and guarantee the normal operation of running equipment；2, single set equipment verifies
Or when defect elimination, it should stop to use as a servant primary equipment；The secondary device of duplicate system retrofit, only single set equipment verification or when defect elimination can be with
Do not stop to use as a servant primary equipment, but prevents primary equipment unprotect from running；3, there is the optical cable of soft pressing plate for sending side or receiving side,
Optical fiber is not turned off as far as possible, guarantees that soft pressing plate has disconnected before disconnecting；4, when the security isolation of circuit, dual safety quarantine measures are taken.
It is the transmission pressing plate of apparatus for examination and repair first, followed by the reception pressing plate of related running gear, also it is contemplated that the maintenance of apparatus for examination and repair
Pressing plate.According to isolation principle, using following steps:
A, the secondary circuit of equipment is traversed, the equipment for obtaining empty circuit information and the connection of the circuit other end；
B, the method for operation of xegregating unit is checked, if primary equipment does not have a power failure, must assure that has double sets
It protects and there is a set of protection to operate normally, otherwise isolated process exits.
C, peace is executed to the circuit GOOSE and terminal device and arranges isolation: exiting equipment GOOSE output clamping；GOOSE is exited to return
The GOOSE of road other end running equipment receives pressing plate；GOOSE when deactivating primary equipment, between the secondary device of equipment concentration
Pressing plate can not move back；
D, execute peace to the circuit SV of equipment and another both ends and arrange isolation: the protection equipment of the circuit the SV other end need to exit SV
Receive pressing plate；When not deactivating primary equipment, need to deactivate the protective device for receiving SV, device SV receives pressing plate and can not move back.
The present invention is based on SCD model, empty path incidence model between the association of first and second equipment and secondary device is constructed.It is right
In the primary equipment that needs have a power failure, associated secondary device is obtained automatically according to correlation model.Two that needs are overhauled
Secondary device searches the other secondary devices being associated by Quadratic Imaginary circuit, is having a power failure or is not having a power failure according to secondary device
The peace of situation arranges principle, and the peace that analyzing can be such that the secondary device of maintenance is reliably isolated arranges operation, and further efficient examine is pacified
Arrange operation order whether safe and reliable.
Claims (2)
1. a kind of intelligent substation secondary protects equipment safety quarantine measures automatic analysis method, it is characterised in that: including following
Step:
A: it is based on SCD model, the empty path incidence model between the association of first and second equipment of building and secondary device: utilizes SCD text
Primary equipment configuration, the secondary device configuration, communication, pressing plate information modeling of part, the association of first and second equipment of building and secondary device
Between empty path incidence model；
B: analysis obtains the equipment collection for needing to be isolated: obtaining a secondary device to be isolated or deactivated primary equipment, such as
Fruit is to need deactivated primary equipment, then relevant secondary device is obtained automatically according to correlation model, relevant secondary device
It is associated with secondary device collection to be isolated；If it is a secondary device to be isolated, then secondary device ontology to be isolated
The equipment collection being isolated as needs；
C: the secondary device investment maintenance pressing plate that the equipment that needs are isolated is concentrated, and successively judge secondary device collection to be isolated
Whether middle secondary device is protected device, then enters step D if not protected device, if it is protected device, then
First protected secondary device is carried out to enter back into step D after protection is exited；
D: the secondary device method of operation concentrated to the equipment that needs are isolated checks: do not have a power failure if it is primary equipment,
Guarantee that primary equipment has double set protections and at least a set of protection operates normally, then carries out in next step, otherwise directly tying
Beam；
E: in above-mentioned steps D primary equipment and/or secondary device successively according to secondary device have a power failure or the feelings that do not have a power failure
The safety measure principle of condition analyzes the safety measure operation that can make that the secondary device overhauled is needed reliably to be isolated, thus foundation
Security isolation is completed in the operation of this safety measure.
2. a kind of intelligent substation secondary according to claim 1 protects equipment safety quarantine measures automatic analysis method,
It is characterized in that, carrying out safety to each secondary device and/or primary equipment of secondary device to be isolated concentration in the step E
Isolation specifically comprises the following steps:
E1: all secondary circuits in each secondary device concentrated to secondary device to be isolated successively traverse, and obtain void
The equipment that the circuit other end is connected, thus judge that the empty circuit of each secondary circuit is to belong to the circuit GOOSE or the circuit SV,
Wherein the equipment to circuit both ends and circuit carry out isolated operation, if primary equipment does not have a power failure, must assure that has double sets
It protects and there is a set of protection to operate normally, otherwise isolated process exits；
E2: if the empty circuit of secondary device to be isolated belongs to the circuit GOOSE, to the GOOSE of this relevant equipment to be isolated
Circuit and terminal device execute peace and arrange isolation: specifically including and exit equipment GOOSE output clamping, exit the circuit the GOOSE other end
The GOOSE of running equipment receives pressing plate, and wherein equipment concentrates the GOOSE between secondary device to be isolated relevant to primary equipment
Pressing plate does not move back；
E3: if the empty circuit of equipment to be isolated is to be not belonging to the circuit GOOSE, equipment to be isolated is to belong to the circuit SV, to this
The circuit SV of relevant equipment to be isolated and the other end execute peace and arrange isolation: specifically including: the protection equipment of the circuit the SV other end
SV need to be exited and receive pressing plate, need to deactivate the protective device for receiving SV, device SV receives pressing plate and do not move back.
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- 2017-09-21 CN CN201710856671.1A patent/CN107611944B/en active Active
Patent Citations (7)
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| US8774975B2 (en) * | 2011-02-08 | 2014-07-08 | Avista Corporation | Outage management algorithm |
| CN103346497A (en) * | 2013-07-09 | 2013-10-09 | 广东电网公司珠海供电局 | Intelligent substation electrical virtual circuit isolation method and system |
| CN104617672A (en) * | 2015-02-12 | 2015-05-13 | 上海毅昊自动化有限公司 | Online monitoring system for modeling based on physical communication medium of process level |
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