CN110021924A - A kind of five anti-loop control systems and method for hybrid gas insulation switchgear - Google Patents
A kind of five anti-loop control systems and method for hybrid gas insulation switchgear Download PDFInfo
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- CN110021924A CN110021924A CN201810024126.0A CN201810024126A CN110021924A CN 110021924 A CN110021924 A CN 110021924A CN 201810024126 A CN201810024126 A CN 201810024126A CN 110021924 A CN110021924 A CN 110021924A
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- Prior art keywords
- switch
- control
- loop
- measure
- disconnecting switch
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/008—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result preventing unsafe switching operations in substations (Schaltfehlerschutz)
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- Gas-Insulated Switchgears (AREA)
Abstract
The embodiment of the invention provides a kind of five anti-loop control systems and method for hybrid gas insulation switchgear, described device includes: power supply, disconnecting switch control loop, control switch device and measure and control device；Wherein, the measure and control device is connected by cable with hybrid gas insulation switchgear ontology, and five-defence block circuit is provided in the measure and control device；Shutting-brake control switch and separating brake control switch are provided in the control switch device, the shutting-brake control switch and the separating brake control switch are connected with the disconnecting switch control loop respectively；The disconnecting switch control loop and the five-defence block circuit in series, the control switch device and the five-defence block circuit are separately connected the anode and cathode of the power supply.By the system and method, can save the cost, reduce cable amount, reduce difficulty of construction, it can be ensured that the disconnecting switch safe operation in equipment prevents disconnecting switch maloperation, reduces to equipment damage.
Description
[technical field]
The present invention relates to relay protection technical field more particularly to a kind of five for hybrid gas insulation switchgear
Anti- loop control system and method.
[background technique]
With the continuous expansion of power grid scale, Ultra-high Voltage Substations increase significantly.Due to the pressure of environment and land occupation, China
The type selecting of the main equipment of super-pressure 500kV substation is with regard to extremely important.Hybrid gas insulation switchgear (HGIS, Hybrid
Gas Insulated Switch), it is that one kind is opened between gas-insulated metal fully-closed switch equipment (GIS) and conventional open style
The high-voltage switch equipment between equipment (AIS) is closed, has land occupation few, operational reliability is high, and anti-pollution and shock resistance are strong
The features such as, while relative low price, equipment fault are easy to repair.
There is maloperation during switch operation in order to prevent, it must be by five anti-differentiations, really when operating HGIS equipment
Protect operational safety.Operations staff can set by independent five-prevention operation system, by software and lockset to control in standing at present
Standby operation can also rely on electric appliance locked loop, i.e., control equipment by the auxiliary contact of each compartment equipment of cable connection
Operation.
Inventor has found that the cost of five-prevention operation system is higher in the implementation of the present invention, and increasing prevents from accidentally grasping
The cost of work；If electric blocking circuit is added in HGIS equipment, breaker, disconnecting switch, ground connection is needed to open in latching process
It is relatively difficult to increase auxiliary contact since mechanism tankage is limited for many original auxiliary contact of the offers such as pass.In addition,
Electric blocking circuit is complicated, needs each compartment equipment auxiliary contact through cable connection, and difficulty of construction is big, cable amount also compared with
It is more, higher cost.
[summary of the invention]
In view of this, the embodiment of the invention provides a kind of five anti-circuit controls for hybrid gas insulation switchgear
System and method, to solve the above-mentioned problems in the prior art.
First aspect of the embodiment of the present invention provides a kind of five anti-circuit controls for hybrid gas insulation switchgear
System processed, comprising:
Power supply, disconnecting switch control loop, control switch device and measure and control device；Wherein, the measure and control device passes through electricity
Cable is connected with hybrid gas insulation switchgear ontology, and five-defence block circuit is provided in the measure and control device；The control is opened
It closes and is provided with shutting-brake control switch and separating brake control switch in device, the shutting-brake control switch and the separating brake control switch point
It does not connect with the disconnecting switch control loop；The disconnecting switch control loop and the five-defence block circuit in series, it is described
Control switch device and the five-defence block circuit are separately connected the anode and cathode of the power supply.
Further, acquisition device is provided in the hybrid gas insulation switchgear ontology, the acquisition device is logical
Cable is crossed to be connected with the measure and control device, the acquisition device be used to acquire device interrupt road device and switch it is normally opened often
Closed position information.
Further, logic judgment module is provided in the measure and control device, one end of the logic judgment module passes through
Cable is connected with the acquisition device, and the other end is connected with the disconnecting switch control loop, wraps in the logic judgment module
Include the five prevention logic relationship of the breaker and switch worked out in advance according to the operation demand of the equipment.
Further, disconnecting switch is provided in the disconnecting switch control loop, the disconnecting switch is anti-with described five
Locked loop series connection.
Further, five unlocking prevention circuits are additionally provided in the measure and control device, five unlocking prevention circuit is connected in parallel on five
On anti-locked loop.
Further, it is additionally provided with remote control circuit in the measure and control device, is provided with grip switches on the remote control circuit.
The second aspect of the embodiment of the present invention provides a kind of five anti-circuit controls for hybrid gas insulation switchgear
Method processed, comprising:
In response to shutting-brake control switch or the closure of separating brake control switch, start disconnecting switch control loop；Measure and control device
The location information of breaker and switch in hybrid gas insulation switchgear is received, five is carried out according to the positional information and prevents patrolling
Collect judgement；If meeting current operating condition, starts five-defence block circuit, control the disconnecting switch of the disconnecting switch control loop
Combined floodgate or separating brake.
Further, the method also includes: if being unsatisfactory for current operating condition, do not start the five-defence block circuit.
Further, it is described in response to shutting-brake control switch or separating brake control switch closure, start disconnecting switch control
Before circuit processed, the method also includes: the switch handle in remote control circuit is disconnected, so that five unlocking prevention circuits, which are in, disconnects shape
State.
Further, the method also includes: in advance according to the equipment operation demand work out the breaker with
And the five prevention logic relationship of switch.
Five anti-loop control systems and method provided in an embodiment of the present invention for hybrid gas insulation switchgear, no
Independent five-prevention operation system or electric blocking circuit, save the cost are needed, cable amount is reduced, reduces difficulty of construction；Meanwhile five
Anti- locked loop can ensure that the disconnecting switch in hybrid gas insulation switchgear is safely operated, and prevent disconnecting switch maloperation,
It reduces to equipment damage, reduces operation of power networks accident.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the five anti-loop control system knots that hybrid gas insulation switchgear is used for provided by the embodiment of the present invention
Structure schematic diagram；
Fig. 2 is the five anti-loop control scheme streams that hybrid gas insulation switchgear is used for provided by the embodiment of the present invention
Cheng Tu.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and " institute
State " it is also intended to including most forms, unless the context clearly indicates other meaning.
First to the present embodiments relate to noun carry out description below.
Electrical five is anti-, refers to ensure the person and equipment safety, should have five kinds to electrical equipment (high-tension switch cabinet) and prevent
The accidentally abbreviation of function, five kinds of anti-error functions include: prevent accidentally point, falsely close circuit breaker, prevent on-load point, close disconnecting switch,
It prevents electrification from closing earthing switch, prevents switch with ground from closing breaker or disconnecting switch, prevent mistakenly entering charged chamber.
Hybrid gas insulation switchgear, is gas insulated metal enclosed swit chgear equipment, including breaker, disconnecting switch, ground connection are opened
Pass, voltage transformer, current transformer etc..
Electric blocking circuit is kept apart using what the auxiliary contact access of the equipment such as breaker, disconnecting switch need to be latched
On the electric operatings circuit such as pass or grounding switch, to realize the mutual locking between switchgear.
Embodiment one
As shown in Fig. 1, the embodiment of the present invention provides a kind of five anti-circuit controls for hybrid gas insulation switchgear
System processed, comprising: power supply 10, disconnecting switch control loop 20, control switch device 30 and measure and control device 40.
Wherein, measure and control device 40 is connected by cable with hybrid gas insulation switchgear ontology, so as to receive
Breaker normally-open normally-close location information, disconnecting switch normally-open normally-close location information, earthing switch normally-open normally-close in the equipment
Location information；Five-defence block circuit 41 is provided in measure and control device 40, for according to above-mentioned breaker normally-open normally-close location information,
Disconnecting switch normally-open normally-close location information, earthing switch normally-open normally-close location information etc. carry out five prevention logic judgement；Control switch
It is provided with shutting-brake control switch 31 and separating brake control switch 32 in device 30, is used, respectively, to initiate combined floodgate, sub-switching operation, control of closing a floodgate
System switch 31 and separating brake control switch 32 are connected with disconnecting switch control loop 20 respectively；Disconnecting switch control loop 20 and five is prevented
Locked loop series connection 41, control switch device 30 and five-defence block circuit 41 are separately connected the anode and cathode of power supply 10.
Optionally, acquisition device can be set in hybrid gas insulation switchgear ontology, the acquisition device is used for
It is normally opened often to acquire the device interrupt road device normally-open normally-close location information, disconnecting switch normally-open normally-close location information, earthing switch
Closed position information, the acquisition device are connected by cable with the measure and control device, to by the breaker, described keep apart
It closes, the location information of the earthing switch is transmitted in measure and control device 40.
Further, logic judgment module is provided in measure and control device 40, one end of the logic judgment module passes through electricity
Cable is connected with the acquisition device, and the other end is connected with disconnecting switch control loop 20, includes pre- in the logic judgment module
The five prevention logic relationship of the breaker and switch first worked out according to the operation demand of the equipment, to work as the logic judgment
After module receives the location information of the breaker of acquisition device acquisition, the disconnecting switch, the earthing switch,
It can judge whether it meets current service condition by above-mentioned five prevention logic relationship.
Further, disconnecting switch is provided in disconnecting switch control loop 20, the disconnecting switch prevents closing with described five
Lock loop series connection.When the logic judgment module judges that the corresponding five prevention logic relationship of above-mentioned location information meets current operation item
Part, five-defence block circuit 41 start, and the disconnecting switch for controlling series connection with it is closed a floodgate or separating brake；When the logic judgment module
Judging that the corresponding five prevention logic relationship of above-mentioned location information is unsatisfactory for current operating condition, then five-defence block circuit 41 does not start,
The disconnecting switch of control series connection with it is failure to actuate.
Optionally, five unlocking prevention circuits 42 in being additionally provided in measure and control device 40, it is anti-that five unlocking prevention circuits 42 are connected in parallel on five
On locked loop 41.It is additionally provided with remote control circuit in measure and control device 40, grip switches JSH is provided on the remote control circuit, such as
Fruit needs to release isolating-switch locking function, only the switch handle JSH on the remote control circuit need to be got to closed position,
It is simple and convenient easy.
The workflow of five anti-loop control systems in the embodiment of the present invention is described below.
Making process:
By the way that switch handle JSH is got to open position, so that five unlocking prevention circuits 42 are in an off state.Shutting-brake control
Switch 31 is closed, and disconnecting switch control loop 20 starts.Measure and control device 40 will be according to breaker, disconnecting switch, earthing switch
Location information information carries out five prevention logic judgement, if meeting current operating condition, five-defence block circuit 41 starts, and control is kept apart
The disconnecting switch closed in control loop 20 is closed a floodgate；Such as be unsatisfactory for current operating condition, five-defence block circuit 41 does not start, control every
It is failure to actuate from the disconnecting switch in switch control circuit 20.
Separating brake process:
By the way that switch handle JSH is got to open position, so that five unlocking prevention circuits 42 are in an off state.Shutting-brake control
Switch 31 is closed, and disconnecting switch control loop 20 starts.Measure and control device (6) opens the breaker after acquisition, disconnecting switch, ground connection
Information is closed, starts to carry out five prevention logic judgement.Measure and control device 40 will be believed according to the position of breaker, disconnecting switch, earthing switch
It ceases information and carries out five prevention logic judgement, if meeting current operating condition, five-defence block circuit 41 starts, control disconnecting switch control
Disconnecting switch separating brake in circuit 20；It is such as unsatisfactory for current operating condition, five-defence block circuit 41 does not start, and controls disconnecting switch
Disconnecting switch in control loop 20 is failure to actuate.
The embodiment of the invention provides a kind of five anti-loop control systems for hybrid gas insulation switchgear, packets
It includes: power supply, disconnecting switch control loop, control switch device and measure and control device；Wherein, the measure and control device by cable and mixes
It closes gas-insulated switchgear ontology to be connected, five-defence block circuit is provided in the measure and control device；The control switch device
In be provided with shutting-brake control switch and separating brake control switch, shutting-brake control switch and the separating brake control switch respectively with institute
State the series connection of disconnecting switch control loop；The disconnecting switch control loop and the five-defence block circuit in series, the control are opened
It closes device and the five-defence block circuit is separately connected the anode and cathode of the power supply.By the system, independence is not needed
Five-prevention operation system or electric blocking circuit, save the cost reduce cable amount, reduce difficulty of construction；Meanwhile five-defence block returns
Road can ensure that the disconnecting switch in hybrid gas insulation switchgear is safely operated, and prevent disconnecting switch maloperation, reduce to setting
Standby damage, reduces operation of power networks accident.
Embodiment two
Fig. 2 is the five anti-loop control scheme streams provided by Embodiment 2 of the present invention for hybrid gas insulation switchgear
Cheng Tu, the method are applied to the five anti-loop control systems for hybrid gas insulation switchgear that embodiment one provides
In.As shown in Fig. 2, the five anti-loop control schemes provided by Embodiment 2 of the present invention for hybrid gas insulation switchgear,
It specifically includes:
S201 starts disconnecting switch control loop in response to shutting-brake control switch or the closure of separating brake control switch.
Specifically, including closing operation and sub-switching operation to isolator operation, the shutting-brake control switchs and described point
Lock control switch is connected respectively at the disconnecting switch control loop.In this step, the closure switched in response to shutting-brake control,
Start disconnecting switch control loop；Or, starting disconnecting switch control loop in response to the closure of separating brake control switch.
S202, measure and control device receive the location information of breaker and switch in hybrid gas insulation switchgear, according to
The location information carries out five prevention logic judgement.
Specifically, acquisition device, the acquisition device acquisition can be set in hybrid gas insulation switchgear ontology
The device interrupt road device normally-open normally-close location information, disconnecting switch normally-open normally-close location information, earthing switch normally-open normally-close position
Confidence breath, and the location information of the breaker, the disconnecting switch, the earthing switch is transmitted in measure and control device.Institute
It states measure and control device and five prevention logic judgement is carried out according to the location information of the breaker, the disconnecting switch, the earthing switch.
It optionally, can be in advance according to the open circuit of the operation demand establishment of the equipment before executing this step
Device and the disconnecting switch, the five prevention logic relationship of the earthing switch, as the benchmark for carrying out five prevention logic judgement.
S203, if meeting current operating condition, start five-defence block circuit, control the disconnecting switch control loop every
It leaves and closes lock or separating brake.
In this step, when what is carried out in step S201 is closing operation, if meeting current operating condition, starting five is anti-to be closed
Lock loop, the disconnecting switch for controlling series connection with it are closed a floodgate；When what is carried out in step S201 is breaking-closing operating, if meeting current fortune
Row condition starts five-defence block circuit, controls the disconnecting switch separating brake of series connection with it.
Optionally, if being unsatisfactory for current operating condition, the five-defence block circuit is not started, disconnecting switch is failure to actuate.
Optionally, before executing step S201, the method also includes: the switch handle in remote control circuit is disconnected, is made
Five unlocking prevention circuits are obtained to be in an off state.Specifically, five unlocking prevention circuit is connected in parallel with the five-defence block circuit,
When needing to open the five anti-protection of progress of five-defence block circuit, five unlocking prevention circuit to be kept to be in an off state.If
It needs to release isolating-switch locking function, only the switch handle on the remote control circuit need to be got to closed position, so that described
Five unlocking prevention circuits are in closed state, simple and convenient easy.
The embodiment of the invention provides a kind of five anti-loop control schemes for hybrid gas insulation switchgear, packets
It includes: in response to shutting-brake control switch or the closure of separating brake control switch, starting disconnecting switch control loop；Measure and control device receives mixed
The location information of breaker and switch in gas-insulated switchgear is closed, five prevention logic is carried out according to the positional information and sentences
It is disconnected；If meeting current operating condition, start five-defence block circuit, the disconnecting switch for controlling the disconnecting switch control loop is closed a floodgate
Or separating brake.By the method, not needing independent five-prevention operation system or electric blocking circuit, save the cost reduces cable
Amount reduces difficulty of construction；Simultaneously, it can be ensured that the disconnecting switch safe operation in hybrid gas insulation switchgear prevents from being isolated
Incorrect switching reduces to equipment damage, reduces operation of power networks accident.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the embodiment of the present application, rather than it is limited
System；Although the application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: its
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equal
Replacement；And these are modified or replaceed, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution
Spirit and scope.The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of five anti-loop control systems for hybrid gas insulation switchgear characterized by comprising
Power supply, disconnecting switch control loop, control switch device and measure and control device；Wherein,
The measure and control device is connected by cable with hybrid gas insulation switchgear ontology, is provided with five in the measure and control device
Anti- locked loop；
It is provided with shutting-brake control switch and separating brake control switch in the control switch device, shutting-brake control switch and described
Separating brake control switch is connected with the disconnecting switch control loop respectively；
The disconnecting switch control loop and the five-defence block circuit in series, the control switch device and the five-defence block
Circuit is separately connected the anode and cathode of the power supply.
2. system according to claim 1, which is characterized in that be provided in the hybrid gas insulation switchgear ontology
Acquisition device, the acquisition device are connected by cable with the measure and control device, and the acquisition device is for acquiring the equipment
The normally-open normally-close location information of middle breaker and switch.
3. system according to claim 2, which is characterized in that be provided with logic judgment module, institute in the measure and control device
The one end for stating logic judgment module is connected by cable with the acquisition device, the other end and the disconnecting switch control loop phase
It even, include the breaker worked out in advance according to the operation demand of the equipment and switch in the logic judgment module
Five prevention logic relationship.
4. system according to claim 3, which is characterized in that be provided with and keep apart in the disconnecting switch control loop
It closes, the disconnecting switch and the five-defence block circuit in series.
5. system according to claim 1-4, which is characterized in that be additionally provided with five anti-solutions in the measure and control device
Lock loop, five unlocking prevention circuit are connected in parallel on five-defence block circuit.
6. system according to claim 5, which is characterized in that remote control circuit is additionally provided in the measure and control device, it is described
Grip switches are provided on remote control circuit.
7. a kind of five anti-loop control schemes for hybrid gas insulation switchgear characterized by comprising
In response to shutting-brake control switch or the closure of separating brake control switch, start disconnecting switch control loop；
Measure and control device receives the location information of breaker and switch in hybrid gas insulation switchgear, is believed according to the position
Breath carries out five prevention logic judgement；
If meeting current operating condition, start five-defence block circuit, controlling the keeping apart for disconnecting switch control loop closes
Lock or separating brake.
8. the method according to the description of claim 7 is characterized in that the method also includes:
If being unsatisfactory for current operating condition, the five-defence block circuit is not started.
9. method according to claim 7 or 8, which is characterized in that described in response to shutting-brake control switch or separating brake control
The closure of switch is made, before starting disconnecting switch control loop, the method also includes:
The switch handle in remote control circuit is disconnected, so that five unlocking prevention circuits are in an off state.
10. method according to claim 7 or 8, which is characterized in that the method also includes:
The five prevention logic relationship of the breaker and switch worked out in advance according to the operation demand of the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024126.0A CN110021924A (en) | 2018-01-10 | 2018-01-10 | A kind of five anti-loop control systems and method for hybrid gas insulation switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024126.0A CN110021924A (en) | 2018-01-10 | 2018-01-10 | A kind of five anti-loop control systems and method for hybrid gas insulation switchgear |
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| Publication Number | Publication Date |
|---|---|
| CN110021924A true CN110021924A (en) | 2019-07-16 |
Family
ID=67188092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810024126.0A Withdrawn CN110021924A (en) | 2018-01-10 | 2018-01-10 | A kind of five anti-loop control systems and method for hybrid gas insulation switchgear |
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| Country | Link |
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| CN (1) | CN110021924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853969A (en) * | 2019-11-20 | 2020-02-28 | 国网福建省电力有限公司检修分公司 | Auxiliary device for preventing high-voltage isolating switch from misoperation |
-
2018
- 2018-01-10 CN CN201810024126.0A patent/CN110021924A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853969A (en) * | 2019-11-20 | 2020-02-28 | 国网福建省电力有限公司检修分公司 | Auxiliary device for preventing high-voltage isolating switch from misoperation |
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