CN108281942A - The protection observing and controlling measurent wiring method and device of substation low-voltage side - Google Patents
The protection observing and controlling measurent wiring method and device of substation low-voltage side Download PDFInfo
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- CN108281942A CN108281942A CN201711466443.XA CN201711466443A CN108281942A CN 108281942 A CN108281942 A CN 108281942A CN 201711466443 A CN201711466443 A CN 201711466443A CN 108281942 A CN108281942 A CN 108281942A
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- voltage
- protection
- observing
- busbar
- amount
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- 230000004224 protection Effects 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/22—Layouts for duplicate bus-bar selection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of protection observing and controlling measurent wiring method and devices of substation low-voltage side.Wherein, the protection observing and controlling metering device, including：Sectionalised protection measure and control device is connect with the first busbar and the second busbar, the first voltage amount of first voltage amount and second busbar for acquiring first busbar, and the first voltage amount is the voltage for observing and controlling and protection；Voltage transformer measure and control device is connect with the first busbar, the second voltage amount for acquiring first busbar, and the second voltage amount is the voltage for metering；The network equipment is connect with the sectionalised protection measure and control device and the voltage transformer measure and control device, for exporting the first voltage amount and the second voltage amount.The present invention solve due to existing protection observing and controlling metering device wiring it is more caused by be easy to be formed breakpoint, and the technical issues of equipment missing voltage after breakpoint.
Description
Technical field
The present invention relates to Electric control field, the protection observing and controlling metering in particular to a kind of substation low-voltage side connects
Line method and device.
Background technology
Currently, the 10 small busbares in KV switch cabinet top are 22 total comprising power supply, signal, the small busbar of voltage in substation,
The wherein small busbar of voltage 8.In the prior art, the method for the voltage of protection observing and controlling metering device is by cable quoted from opening
Close the small busbar of voltage on cabinet.
However, the quantity of the small busbar of voltage is more, equipment cost is caused to improve, every protection observing and controlling metering device is all logical
It crosses cable and connects voltage from small bus leading, cause device wiring more, the inscribed space of lines of switchgear is crowded, passes through electricity between small busbar
Cable connection causes cable longer and is easy to be formed breakpoint, and breakpoint can cause the equipment after breakpoint to lack voltage once generating
Amount.
For above-mentioned problem, currently no effective solution has been proposed.
Invention content
An embodiment of the present invention provides a kind of protection observing and controlling measurent wiring method and devices of substation low-voltage side, at least
Solve due to existing protection observing and controlling metering device wiring it is more caused by be easy to be formed breakpoint, and the equipment missing after breakpoint is electric
The technical issues of pressure amount.
One side according to the ... of the embodiment of the present invention provides a kind of protection observing and controlling metering device, including：Sectionalised protection is surveyed
Device is controlled, is connect with the first busbar and the second busbar, first voltage amount for acquiring first busbar and described the
The first voltage amount of two busbares, the first voltage amount are the voltage for observing and controlling and protection；Voltage transformer measure and control device,
It is connect with the first busbar, the second voltage amount for acquiring first busbar, the second voltage amount is the electricity for metering
Pressure amount；The network equipment is connect with the sectionalised protection measure and control device and the voltage transformer measure and control device, for by described the
One voltage and second voltage amount output.
Optionally, observing and controlling metering device is protected, further includes：Protection for feed line observing and controlling metering device connects with the network equipment
It connects, for receiving the first voltage amount and/or the second voltage amount.
Optionally, observing and controlling metering device is protected, further includes：Capacitor protection observing and controlling metering device, with the network equipment
Connection, for receiving the first voltage amount and/or the second voltage amount.
Optionally, observing and controlling metering device is protected, further includes：It stands with protection observing and controlling metering device is become, with the network equipment
Connection, for receiving the first voltage amount and/or the second voltage amount.
Optionally, the network equipment and the protection for feed line observing and controlling metering device, capacitor protection observing and controlling metering device
And the station is connected between change protection observing and controlling metering device by communication line or optical cable.
Optionally, between the network equipment and the sectionalised protection measure and control device and the voltage transformer measure and control device
It is connected by communication line or optical cable.
Optionally, pass through cable connection between the sectionalised protection measure and control device and first busbar；The voltage is mutual
Pass through cable connection between sensor measure and control device and second busbar.
Optionally, the network equipment includes interchanger.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of protection observing and controlling measurent wiring of substation low-voltage side
Method, including sectionalised protection measure and control device acquire the first voltage amount of the first busbar and the first voltage amount of the second busbar, institute
It is the voltage for observing and controlling and protection to state first voltage amount；Voltage transformer measure and control device acquires the second of first busbar
Voltage, the second voltage amount are the voltage for metering；The network equipment by the first voltage amount and it is described second electricity
Pressure amount exports.
Optionally, the above method further includes：Protection for feed line observing and controlling metering device receives the described of the network equipment output
First voltage amount and/or the second voltage amount；Capacitor protection observing and controlling metering device receives the institute of the network equipment output
State first voltage amount and/or the second voltage amount；It stands and receives the network equipment output with change protection observing and controlling metering device
The first voltage amount and/or the second voltage amount.
In embodiments of the present invention, the voltage circuit sample mode that observing and controlling metering device is protected by change, i.e., only pass through
Cable is directly accessed the voltage of the sectionalised protection measure and control device and voltage transformer measure and control device that the connect adjacent busbar directly amount of adopting, point
After section protection supervisory equipment, voltage transformer measure and control device collect voltage, voltage is exported by the network equipment, without
The direct acquisition that voltage need to be realized by dedicated cable connection has achieved the purpose that reduce wiring, has reduced breakpoint, to real
The material consumption for saving cable and small busbar is showed, vacated and returned cabinet is inscribed the technique effect that space of lines improves equipment performance, and then solves
Determined due to existing protection observing and controlling metering device wiring it is more caused by be easy to be formed breakpoint, and the equipment missing electricity after breakpoint
The technical issues of pressure amount.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of optional protection observing and controlling metering device according to the ... of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another optional protection observing and controlling metering device according to the ... of the embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
It includes to be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment to cover non-exclusive
Those of clearly list step or unit, but may include not listing clearly or for these processes, method, product
Or the other steps or unit that equipment is intrinsic.
According to embodiments of the present invention, a kind of protection observing and controlling metering device is provided, as shown in Figure 1, including：Sectionalised protection is surveyed
Device 10 is controlled, is connect with the first busbar and the second busbar, first voltage amount for acquiring first busbar and described
The first voltage amount of second busbar, first voltage amount are the voltage for observing and controlling and protection；Voltage transformer measure and control device 12,
It is connect with the first busbar, the second voltage amount for acquiring first busbar, the second voltage amount is the electricity for metering
Pressure amount；The network equipment 14 is connect with the sectionalised protection measure and control device 10 and the voltage transformer measure and control device 12, and being used for will
The first voltage amount and second voltage amount output.
Optionally, observing and controlling metering device is protected, further includes：Protection for feed line observing and controlling metering device 16, with the network equipment
14 connections, for receiving the first voltage amount and/or the second voltage amount.
Optionally, observing and controlling metering device is protected, further includes：Capacitor protection observing and controlling metering device 18, sets with the network
Standby 14 connection, for receiving the first voltage amount and/or the second voltage amount.
Optionally, observing and controlling metering device is protected, further includes：It stands with protection observing and controlling metering device 20 is become, is set with the network
Standby 14 connection, for receiving the first voltage amount and/or the second voltage amount.
Optionally, the network equipment and the protection for feed line observing and controlling metering device, capacitor protection observing and controlling metering device
And the station is connected between change protection observing and controlling metering device by communication line or optical cable.
Optionally, between the network equipment and the sectionalised protection measure and control device and the voltage transformer measure and control device
It is connected by communication line or optical cable.
The voltage sample mode of the protection supervisory equipment of the present embodiment is by direct by secondary cable through small voltage bus
Acquisition, is changed to acquire by network.I.e. cable access is changed to access by communication line or optical cable.
Optionally, pass through cable connection between the sectionalised protection measure and control device and first busbar；The voltage is mutual
Pass through cable connection between sensor measure and control device and second busbar.
Optionally, the network equipment includes interchanger.
According to embodiments of the present invention, a kind of protection observing and controlling measurent wiring method of substation low-voltage side is additionally provided, including
Sectionalised protection measure and control device acquires the first voltage amount of first busbar and the first voltage amount of second busbar, described
First voltage amount is the voltage for observing and controlling and protection；Voltage transformer measure and control device acquires the second electricity of first busbar
Pressure amount, the second voltage amount are the voltage for metering；The network equipment is by the first voltage amount and the second voltage
Amount output.
Optionally, the above method further includes：Protection for feed line observing and controlling metering device receives the described of the network equipment output
First voltage amount and/or the second voltage amount；Capacitor protection observing and controlling metering device receives the institute of the network equipment output
State first voltage amount and/or the second voltage amount；It stands and receives the network equipment output with change protection observing and controlling metering device
The first voltage amount and/or the second voltage amount.
According to embodiments of the present invention, a kind of substation is provided, includes the protection observing and controlling metering with above-mentioned arbitrary characteristics
Device.
Optionally, the protection observing and controlling metering device is 10 kilovolts of protection observing and controlling metering devices.
In embodiments of the present invention, the voltage circuit sample mode that observing and controlling metering device is protected by change, i.e., only pass through
Cable is directly accessed the voltage of the sectionalised protection measure and control device and voltage transformer measure and control device that the connect adjacent busbar directly amount of adopting, point
After section protection supervisory equipment, voltage transformer measure and control device collect voltage, voltage is exported by the network equipment, without
The direct acquisition that voltage need to be realized by dedicated cable connection has achieved the purpose that reduce wiring, has reduced breakpoint, to real
The material consumption for saving cable and small busbar is showed, vacated and returned cabinet is inscribed the technique effect that space of lines improves equipment performance, and then solves
Determined due to existing protection observing and controlling metering device wiring it is more caused by be easy to be formed breakpoint, and the equipment missing electricity after breakpoint
The technical issues of pressure amount.
The protection observing and controlling metering device of the present embodiment, the voltage circuit by changing 10 kilovolts of protection observing and controlling metering devices are adopted
Sample loading mode saves small busbar quantity, and simplifies 10 kilovolts of wiring, i.e., 10 kilovolts protection observing and controlling metering devices are without small voltage bus
It directly samples, and is realized by network samples, i.e., the collection voltages magnitude from network.
Unified data platform is made full use of, and largely reduces the laying of secondary cable on this basis.Such as Fig. 2 institutes
Show, the present invention is only directly accessed by cable (i.e. dotted line frames part in Fig. 2) i.e. in intelligent substation in 10kV voltage circuits
The voltage of the 10kV sectionalised protections measure and control device and voltage transformer measure and control device that the connect adjacent busbar directly amount of adopting, 10 kilovolts of segmentations
After protection supervisory equipment, voltage transformer measure and control device (i.e. 10 kilovolts of PT measure and control devices in Fig. 2) collect voltage, except use
Differentiate in the protection of the present apparatus, observing and controlling function, can also by connect all 10kV protect the exchange mechanisms of observing and controlling metering devices at
Interval layer network, by other 10kV protect observing and controlling metering device (i.e. protection for feed line observing and controlling metering device, capacitor in Fig. 2
Protection observing and controlling metering device stand and protects observing and controlling metering device with change) needed for voltage be transferred to all devices, without passing through
Dedicated cable connection realizes the direct acquisition of voltage, and feature can be sent out using the receiving of protection supervisory equipment, fully digs
The function of the unified data platform of intelligent substation is dug, the material consumption of cable and small busbar, vacated and returned cabinet internal wiring are not only saved
Space can also reduce the device tripping or survey caused due to the 10kV protection supervisory equipments voltage criterion caused by cable break lacks
Control data outage.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, for example, the unit division, Ke Yiwei
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
On unit.Some or all of unit therein can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes：USB flash disk, read-only memory (ROM, Read-OnlyMemory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of protection observing and controlling metering device, which is characterized in that including：
Sectionalised protection measure and control device is connect with the first busbar and the second busbar, the first electricity for acquiring first busbar
The first voltage amount of pressure amount and second busbar, the first voltage amount are the voltage for observing and controlling and protection；
Voltage transformer measure and control device is connect with the first busbar, the second voltage amount for acquiring first busbar, and described
Two voltages are the voltage for metering；
The network equipment is connect with the sectionalised protection measure and control device and the voltage transformer measure and control device, for by described the
One voltage and second voltage amount output.
2. the apparatus according to claim 1, which is characterized in that further include：
Protection for feed line observing and controlling metering device, connect with the network equipment, for receiving the first voltage amount and/or described
Two voltages.
3. the apparatus of claim 2, which is characterized in that further include：
Capacitor protection observing and controlling metering device, connect with the network equipment, for receiving the first voltage amount and/or described
Second voltage amount.
4. device according to claim 3, which is characterized in that further include：
It stands with protection observing and controlling metering device is become, is connect with the network equipment, for receiving the first voltage amount and/or described
Second voltage amount.
5. device according to claim 4, which is characterized in that the network equipment is filled with protection for feed line observing and controlling metering
It sets, capacitor protection observing and controlling metering device and the station are connected between becoming protection observing and controlling metering device by communication line or optical cable
It connects.
6. the apparatus according to claim 1, which is characterized in that the network equipment and the sectionalised protection measure and control device and
It is connected by communication line or optical cable between the voltage transformer measure and control device.
7. the apparatus according to claim 1, which is characterized in that the sectionalised protection measure and control device and first busbar it
Between pass through cable connection；Pass through cable connection between the voltage transformer measure and control device and second busbar.
8. device according to any one of claim 1 to 7, which is characterized in that the network equipment includes interchanger.
9. a kind of protection observing and controlling measurent wiring method of substation low-voltage side, which is characterized in that including：
The first voltage amount of sectionalised protection measure and control device the first busbar of acquisition and the first voltage amount of the second busbar, described first
Voltage is the voltage for observing and controlling and protection；
Voltage transformer measure and control device acquires the second voltage amount of first busbar, and the second voltage amount is for metering
Voltage；
The network equipment exports the first voltage amount and the second voltage amount.
10. according to the method described in claim 9, it is characterized in that, further including：
Protection for feed line observing and controlling metering device receives the first voltage amount of the network equipment output and/or the second voltage
Amount；
Capacitor protection observing and controlling metering device receives the first voltage amount of the network equipment output and/or second electricity
Pressure amount；
It stands and receives the first voltage amount of the network equipment output and/or second electricity with change protection observing and controlling metering device
Pressure amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466443.XA CN108281942A (en) | 2017-12-28 | 2017-12-28 | The protection observing and controlling measurent wiring method and device of substation low-voltage side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466443.XA CN108281942A (en) | 2017-12-28 | 2017-12-28 | The protection observing and controlling measurent wiring method and device of substation low-voltage side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108281942A true CN108281942A (en) | 2018-07-13 |
Family
ID=62802512
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711466443.XA Pending CN108281942A (en) | 2017-12-28 | 2017-12-28 | The protection observing and controlling measurent wiring method and device of substation low-voltage side |
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| CN101459350A (en) * | 2008-05-19 | 2009-06-17 | 河南省电力公司 | GOOSE mode network standby dispensing method based on digital transmission network |
| CN101499649A (en) * | 2008-05-19 | 2009-08-05 | 河南省电力公司 | Networking bus bar protecting method based on GOOSE mode |
| CN202918051U (en) * | 2012-11-16 | 2013-05-01 | 鞍钢集团矿业公司 | GSSE-based networking power supply switching device |
| CN204156517U (en) * | 2014-11-13 | 2015-02-11 | 国家电网公司 | A kind of intelligent substation low-voltage bus bar protection system |
| CN104362599A (en) * | 2014-11-13 | 2015-02-18 | 国家电网公司 | Method for protecting low-voltage bus of intelligent substation |
| CN204463622U (en) * | 2015-02-13 | 2015-07-08 | 重庆新世杰电气股份有限公司 | A kind of intelligent substation experimental provision |
-
2017
- 2017-12-28 CN CN201711466443.XA patent/CN108281942A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459350A (en) * | 2008-05-19 | 2009-06-17 | 河南省电力公司 | GOOSE mode network standby dispensing method based on digital transmission network |
| CN101499649A (en) * | 2008-05-19 | 2009-08-05 | 河南省电力公司 | Networking bus bar protecting method based on GOOSE mode |
| CN202918051U (en) * | 2012-11-16 | 2013-05-01 | 鞍钢集团矿业公司 | GSSE-based networking power supply switching device |
| CN204156517U (en) * | 2014-11-13 | 2015-02-11 | 国家电网公司 | A kind of intelligent substation low-voltage bus bar protection system |
| CN104362599A (en) * | 2014-11-13 | 2015-02-18 | 国家电网公司 | Method for protecting low-voltage bus of intelligent substation |
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Application publication date: 20180713 |