CN203481912U - General remote spare power automatic switching system - Google Patents
General remote spare power automatic switching system Download PDFInfo
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- CN203481912U CN203481912U CN201320511658.XU CN201320511658U CN203481912U CN 203481912 U CN203481912 U CN 203481912U CN 201320511658 U CN201320511658 U CN 201320511658U CN 203481912 U CN203481912 U CN 203481912U
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- spare power
- power source
- remote spare
- automatic transfer
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Abstract
The utility model relates to a general remote spare power automatic switching system comprising a plurality of remote spare power automatic switching devices; different remote spare power automatic switching devices are connected through at least one fiber group, and each fiber group comprises a receiving fiber and a sending fiber; the general remote spare power automatic switching system is connected through fibers, is high in signal transmission quality, long in distance, large in information amount, high in instantaneity, and reliable in data; simultaneously the general remote spare power automatic switching system can automatically identify each remote spare power automatic switching work line and set up independent automatic switching logic, thereby realizing self adaption to system wiring mode and operation mode.
Description
Technical field
The utility model relates to automatic control system in a kind of electric power system, is specifically related to a kind of general remote spare power source automatic transfer system.
Background technology
Automatic throw-in equipment of emergency power supply is the important secondary device of transformer station, after electric power system fault or other reasons are disconnected working power, can rapidly stand-by power supply be devoted oneself to work automatically, restores electricity to the full extent.
In recent years, due to the continuous expansion of electrical network scale, the network configuration of electric power system is also increasingly sophisticated.From the angle of power supply reliability, consider, mesolow distribution substation should design by power supply entering line, but is subject to the restrictions such as circuit, fund and resource, and between 2 or a plurality of distribution substation, the mode of series wiring often occurs in system.Also there is available for different connection modes in transformer station, and as single female disconnecting link, single mother partition, double bus scheme etc., two masters two are also more and more common for the mode of connection of 4 inlet wires.As Guangdong Power Grid has been widely used the wiring of double back chain type, between lower 2 the 220kV transformer stations of some mode of connection, with double back 110kV circuit, be connected in series 3 110kV transformer stations.Increasingly sophisticated along with electric network composition, there will be the mode of connection of more multistage transformer station serial connection.And conventionally there is the automatic bus of remote spare power source automatic transfer function, and can only adapt to a distant place of formulating under the simple mode of connection to haul oneself willingly into logic, cannot adapt to a current distant place and haul oneself willingly into requirement.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of general remote spare power source automatic transfer system, this system can not only realize and between a plurality of transformer stations, adopt the remote spare power source automatic transfer under series wiring mode, and the various modes of connection of energy self adaptation transformer station, at utmost recovery system power supply, reduces the impact that has a power failure electric power system is brought.
For solving the problems of the technologies described above, the utility model provides a kind of general remote spare power source automatic transfer system, described general remote spare power source automatic transfer system is comprised of a plurality of remote automatic bus transfer equipments, between different remote automatic bus transfer equipments, by least one group of optical fiber, connects, and every group of optical fiber comprises two optical fiber of receipts.
During described general remote spare power source automatic transfer system access electrical network, adopt a kind of networking technology.In described general remote spare power source automatic transfer equipment and electrical network, transformer station interconnects.In electrical network, between transformer station and transformer station, adopt interconnection to be connected, in above-mentioned bindiny mechanism, be all equipped with a plurality of line switchings.The networking technology of described general remote spare power source automatic transfer system is, each matched transformer has a remote automatic bus transfer equipment, the optical fiber group number of remote automatic bus transfer equipment with and coupled transformer on the interconnection number that connects relevant, each interconnection has one group of optical fiber in contrast should.
In described line switching, the line switching that definition is connected two buses of same transformer station is block switch; The line switching that definition is connected the corresponding bus of different substation is service entrance switch.If block switch is closed, the information of corresponding two buses of same transformer station that block switch connects can be mutual; As service entrance switch is closed, the information of carrying out corresponding two buses of Liang Ge transformer station that switch is connected can be mutual by corresponding optical fiber.
In the networking technology of described general remote spare power source automatic transfer system, in the interactive information between definition remote automatic bus transfer equipment, the information of the state of sign remote automatic bus transfer equipment is state information; Information for the action cooperation between remote automatic bus transfer equipment is command information.
Described general remote automatic bus transfer equipment by CPU card, base plate plug-in unit, show plug-in unit, power insert, open into plug-in unit, outlet plug-in unit, signal plug-in unit, exchange plug-in unit, sampling plug-in, optical fiber plug-in unit and form.Described CPU card adopts the rearmounted mode of CPU.Described optical fiber plug-in unit is provided with 4 optical fiber interfaces.
In general remote spare power source automatic transfer system, definition mains side bus is in the working line that is mutually connected in series of remote spare power source automatic transfer, the bus of close power supply point.Definition open loop side bus is in the working line that is mutually connected in series of remote spare power source automatic transfer, has the bus of open loop point, and described open loop side bus only has a main power supply.The switch that described open loop point can restore electricity decompression open loop bus while being closed; Described remote spare power source automatic transfer working line originates in mains side bus, ends at the open loop point on open loop side bus, and centre is connected in series by closed switch or bus.
As a kind of improvement of the present utility model, described remote spare power source automatic transfer working line, its each have and independently haul oneself willingly into logic.
When meeting following charge condition, described general remote spare power source automatic transfer system carries out charge step:
1) the equal three-phase of bus on remote spare power source automatic transfer working line has pressure;
2) on remote spare power source automatic transfer working line, there is and only has an open loop point.
When meeting following discharging condition, described general remote spare power source automatic transfer system carries out discharge step:
1) the open loop bus on remote spare power source automatic transfer working line is not one, carries out time delay electric discharge;
2) optical-fibre communications that remote spare power source automatic transfer working line is corresponding is abnormal, carries out time delay electric discharge;
3) external signal locking, discharges immediately.
When meeting following entry condition, described general remote spare power source automatic transfer system carries out setting up procedure:
1) arbitrary section and above bus loss of pressure on remote spare power source automatic transfer working line;
2) arbitrary section of decompression bus meets main power supply without stream condition.
The perform an action action logic of logic step of described general remote spare power source automatic transfer system is:
1) on excision remote spare power source automatic transfer working line, the corresponding main power supply of decompression bus of the most close mains side bus;
2) confirm after main power supply excision the corresponding open loop point of open loop side bus on the remote spare power source automatic transfer working line that closes.
After described general remote spare power source automatic transfer system is carried out charge step, system is devoted oneself to work, system closure work after general remote spare power source automatic transfer system execution discharge step.
In general remote spare power source automatic transfer system works, the order execution work successively of action logic step that system is according to charge step---setting up procedure---.Described general remote spare power source automatic transfer system works, when carrying out charge step, setting up procedure, action logic step, all has the corresponding time of implementation.General remote spare power source automatic transfer system is when in the above-mentioned course of work, any time meets discharging condition, and system is carried out discharge step, thus termination system work.So general remote spare power source automatic transfer system meets charge condition to be carried out after charge step, has six kinds of working conditions:
1) during general remote spare power source automatic transfer system charge step is carried out, under system charging unfinished state, system meets discharging condition, and system is carried out discharge step, general remote spare power source automatic transfer system closure work;
2) general remote spare power source automatic transfer system charge step complete after, system meets discharging condition, system is carried out discharge step, system closure work;
3) the complete charge step of general remote spare power source automatic transfer system, system meets entry condition, carries out setting up procedure; During general remote spare power source automatic transfer system setting up procedure is carried out, system starts under unfinished state, and system meets discharging condition, and system is carried out discharge step, general remote spare power source automatic transfer system closure work;
4) the complete charge step of general remote spare power source automatic transfer system, system meets entry condition, carries out setting up procedure; General remote spare power source automatic transfer system completes after setting up procedure, and system meets discharging condition, and system is carried out discharge step, general remote spare power source automatic transfer system closure work;
5) the complete charge step of general remote spare power source automatic transfer system, system meets entry condition, carries out setting up procedure; General remote spare power source automatic transfer system completes after setting up procedure, the system logic step that performs an action; During general remote spare power source automatic transfer system acting logic step is carried out, under action logic unfinished state, system meets discharging condition, and system is carried out discharge step, general remote spare power source automatic transfer system finishing work;
6) the complete charge step of general remote spare power source automatic transfer system, system meets entry condition, carries out setting up procedure; General remote spare power source automatic transfer system completes after setting up procedure, the system logic step that performs an action; After general remote spare power source automatic transfer system execution logic, system meets discharging condition, and system is carried out discharge step, general remote spare power source automatic transfer system finishing work.
Than prior art, the utlity model has following advantage:
1) optical fiber communication have that signal transmission quality is high, distance, contain much information, the advantage such as real-time is high, data are reliable; By optical fiber communication, the transformer substation spare power automatic switching device of series connection is mutually organized into a remote spare power source automatic transfer system, during dead electricity, realize optimum prepared auto restart logic, at utmost restore electricity;
2) the corresponding one group of transmitting-receiving optical fiber of each interconnection, can adapt to the mode of connection of on-the-spot various complexity like this; Interactive information can only be corresponding along closed switch circuit transmission, so not only can automatically identify each working line, and can guarantee that a distant place hauls oneself willingly into the information interaction of logic and carry out on corresponding working line;
3) when having a plurality of transformer stations to be mutually connected in series the mode of connection complexity of ，Qie transformer station itself by interconnection, general remote spare power source automatic transfer system is divided into many remote spare power source automatic transfer working lines; System can automatically identify every remote spare power source automatic transfer working line and set up and independently haul oneself willingly into logic, has realized the self adaptation to system wiring mode and operational mode.
Accompanying drawing explanation
Fig. 1 is the mode of connection figure of embodiment 1 in the utility model.
Fig. 2 is remote automatic bus transfer equipment functional block diagram in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand following embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.
3 grades of double back chained form systems of typical 110kV transformer station as shown in Figure 1:.3 110kV transformer stations interconnect by interconnection, in 3 110kV transformer stations, respectively install a remote automatic bus transfer equipment.In 3 remote automatic bus transfer equipments, the corresponding light mouth of 2DL and the corresponding light mouth of 6DL are interconnected by optical fiber, and the corresponding light mouth of 4DL and the corresponding light mouth of 8DL are interconnected, and the corresponding light mouth of 7DL and the corresponding light mouth of 11DL are interconnected, and the corresponding light mouth of 9DL and the corresponding light mouth of 13DL are interconnected.Optical fiber communication has that signal transmission quality is high, distance, contain much information, the advantage such as real-time is high, data are reliable; By optical fiber communication, the transformer substation spare power automatic switching device of series connection is mutually organized into a remote spare power source automatic transfer system, during dead electricity, realize optimum prepared auto restart logic, at utmost restore electricity.The corresponding one group of transmitting-receiving optical fiber of each interconnection simultaneously, can adapt to the mode of connection of on-the-spot various complexity like this.Interactive information can only be corresponding along closed switch circuit transmission, so not only can automatically identify each working line, and can guarantee a distant place haul oneself willingly into the information interaction of logic on corresponding working line, carry out,
As shown in Figure 1, in this winding diagram, have 2 working lines, symmetrical due to working line, take wherein one carry out typical logic as example.This working line is configured to: 1DL, bus 11,2DL, 6DL, bus 21,7DL, 11DL, bus 31, and mains side bus is bus 11, and open loop place bus is bus 31, and open loop point is 12DL.
When bus 11, bus 21, the equal three-phase of bus 31 have pressure, and when having on this working line and only having an open loop point 12DL, remote spare power source automatic transfer system is carried out charge command, and system is devoted oneself to work.After system is devoted oneself to work, if system median generatrix 31 decompressions or bus 21, bus 31 decompressions or bus 11, bus 21, bus 31 decompressions, or the corresponding main power supply of decompression bus is during without stream, the remote spare power source automatic transfer system logic that performs an action.For above-mentioned three kinds of entry conditions, corresponding course of action is respectively: bus 31 decompressions, and tripping 11DL, 12DL closes; Bus 21, bus 31 decompressions, tripping 6DL, 12DL closes; Bus 11, bus 21, bus 31 decompressions, tripping 1DL, 12DL closes.Said system all needs the corresponding time of implementation while carrying out charge step, setting up procedure, action logic step.Any time in described remote spare power source automatic transfer system works step, the optical-fibre communications that remote spare power source automatic transfer working line is corresponding is abnormal, or the open loop bus on remote spare power source automatic transfer working line is not while being one, and system is carried out time delay electric discharge; During external signal locking, system is discharged immediately, and system is carried out the rear power cut-off of electric discharge order.
In the present embodiment, system can automatically identify every remote spare power source automatic transfer working line and set up and independently haul oneself willingly into logic, has realized the self adaptation to system wiring mode and operational mode.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned execution mode, also comprises the technical scheme being comprised of above technical characterictic combination in any.
Claims (2)
1. a general remote spare power source automatic transfer system, is characterized in that described general remote spare power source automatic transfer system is comprised of a plurality of remote automatic bus transfer equipments; Between different remote automatic bus transfer equipments, by least one group of optical fiber, connect, every group of optical fiber comprises two optical fiber of receipts.
2. according to general remote spare power source automatic transfer system claimed in claim 1, it is characterized in that, described general remote automatic bus transfer equipment by CPU card, base plate plug-in unit, show plug-in unit, power insert, open into plug-in unit, outlet plug-in unit, signal plug-in unit, exchange plug-in unit, sampling plug-in, optical fiber plug-in unit and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511658.XU CN203481912U (en) | 2013-08-21 | 2013-08-21 | General remote spare power automatic switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511658.XU CN203481912U (en) | 2013-08-21 | 2013-08-21 | General remote spare power automatic switching system |
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| Publication Number | Publication Date |
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| CN203481912U true CN203481912U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320511658.XU Expired - Lifetime CN203481912U (en) | 2013-08-21 | 2013-08-21 | General remote spare power automatic switching system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427480A (en) * | 2013-08-21 | 2013-12-04 | 南京弘毅电气自动化有限公司 | Universal remote spare power automatic switching system |
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2013
- 2013-08-21 CN CN201320511658.XU patent/CN203481912U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427480A (en) * | 2013-08-21 | 2013-12-04 | 南京弘毅电气自动化有限公司 | Universal remote spare power automatic switching system |
| CN103427480B (en) * | 2013-08-21 | 2016-07-13 | 南京弘毅电气自动化有限公司 | A kind of general remote spare power source automatic transfer system |
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Granted publication date: 20140312 |