CN201215898Y - Backup auto-activating device having remote auto-activating function - Google Patents
Backup auto-activating device having remote auto-activating function Download PDFInfo
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- CN201215898Y CN201215898Y CNU2008200397586U CN200820039758U CN201215898Y CN 201215898 Y CN201215898 Y CN 201215898Y CN U2008200397586 U CNU2008200397586 U CN U2008200397586U CN 200820039758 U CN200820039758 U CN 200820039758U CN 201215898 Y CN201215898 Y CN 201215898Y
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Abstract
The utility model relates to an automatic switching device with the remotely automatic switching function, wherein the automatic switching device with the remotely automatic switching function is respectively collocated on an open-loop point converting station and a close-loop point converting station, and the switch-in analog quantity of each of the automatic switching devices is that the voltages and the like of two segments of busses of the station (I bus, II bus ), the switch-in switching value of each of the automatic switching devices is that the station incoming line (1), an interconnection, a tripping position joint (TWJ) of a section switch, a closing position joint (KKJ) of the section switch and the like, two line voltages (U*1, U*2) of the interconnection are used as the auxiliary criterion of the automatic switching devices and the actions, the tripping position joint (TWJ) which is accessed into the section switch is used for judging the system operating mode, the automatic switching devices and the actions, and the closing position joint (KKJ) which is assessed into the section switch is used as the locking spare power automatic switching when switching the working power supply manually. The proposal can realize the automatic switching of normal standby power supplies, can realize the remotely automatic switching, and can really realize the mutual standby of the two converting stations through the interconnection.
Description
Technical field
The utility model relates to a kind of automatic switching device of electric power system power transmission and distribution, particularly relates to a kind of microcomputer type automatic switching device of standby power supply.
Background technology
In recent years, backup auto-activating device is used widely in 220kV and following grade power grids, has played the important function of the protection stabilization of power grids and raising power supply reliability.Common prepared auto restart divides inlet wire to be equipped with throwing and two big classes are hauled oneself willingly in segmentation.Inlet wire is equipped with throwing and all is mounted in open loop point transformer station, splits the switch of circling point stand-by heat and realize fast automatic input when the working power dead electricity, realizes stand-by power supply restoring electricity to this station.Yet the transformer station at the offside cyclization point place of open loop point stand-by power supply, when its working power dead electricity, conventional backup auto-activating device can't recover the power supply to this station.That is to say, if realize that with conventional backup auto-activating device standby each other with two continuous transformer stations of interconnection is impracticable, conventional backup auto-activating device can only be realized cyclization point transformer station standby as open loop point transformer station, and can not realize open loop point transformer station standby as cyclization point transformer station.
Summary of the invention
For two purposes that transformer station is standby each other that can realize linking to each other with interconnection, the utility model provides a kind of backup auto-activating device that function is hauled oneself willingly in a distant place that has, and can realize conventional automatic closing function, can realize that again a distant place hauls oneself willingly into function.
The technical solution of the utility model is: have the backup auto-activating device that function is hauled oneself willingly in a distant place, dispose one respectively in open loop point transformer station and cyclization point transformer station and have the backup auto-activating device that function is hauled oneself willingly in a distant place, every backup auto-activating device inserts analog quantity and is: voltage mother I, mother II of two sections buses of our station, the line voltage distribution of our station inlet wire 1 and interconnection, each phase current of our station inlet wire 1 and interconnection; The switching value that every backup auto-activating device inserts is: the trip position contact TWJ of our station inlet wire 1, interconnection and block switch and block switch close back position contact KKJ, receive the offside station close a floodgate order open into, locking prepared auto restart open into;
Insert two sections busbar voltage mothers I of our station, mother II, be used to that pressure is arranged, do not have to press and differentiate; Insert inlet wire 1, interconnection two line voltage distribution Ux1, Ux2 as hauling oneself willingly into the assistant criteria of preparing and moving; Insert the trip position contact TWJ of 1DL, 2DL, 3DL block switch, be used for system operation mode and differentiate, haul oneself willingly into and prepare and action; Locking prepared auto restart when inserting the back position contact KKJ of closing of 1DL, 2DL, 3DL block switch as hand jumping working power.
The transmission of the permission combined floodgate order that haul oneself willingly in a realization distant place can realize by the existing pilot protection passage of electric power system, does not increase extra passage investment cost.
According to the block switch that inserts and the position of two service entrance switchs, two sections busbar voltages, backup auto-activating device can the current operational mode of automatic recognition system, can realize that when the working power dead electricity a conventional automatic closing and a distant place haul oneself willingly into.Conventional automatic closing comprises that inlet wire is thrown dual mode fully and dual mode is hauled oneself willingly in segmentation.
Mode is hauled oneself willingly in a realization distant place: the backup auto-activating device of cyclization point transformer station is after charging under system's normal condition is finished, when work inlet wire dead electricity, prepared auto restart action jumping work service entrance switch, send out an order that allows combined floodgate to the backup auto-activating device of open loop point transformer station then, after the backup auto-activating device of open loop point transformer station is received this order, adding the stand-by power supply circuit of declaring open loop point does not again have the switch of running the circling point stand-by heat after the pressure jointly, restores electricity for offside cyclization point transformer station.
The prepared auto restart mode of the routine that the utility model is realized has four kinds, and a distant place has been hauled oneself willingly into two kinds, has six kinds of modes.Haul oneself willingly into the mode backup auto-activating device for these six kinds and all can discern automatically, can not obscure.The backup auto-activating device of cyclization point transformer station is after charging under system's normal condition is finished, and when work inlet wire dead electricity, prepared auto restart action jumping work service entrance switch is sent out an order that allows combined floodgate to the backup auto-activating device of open loop point transformer station then.After the backup auto-activating device of open loop point transformer station is received this order, add the stand-by power supply circuit of declaring open loop point again and do not have pressure, then the switch of circling point stand-by heat is run in action jointly, restores electricity so just for offside cyclization point transformer station, has realized the standby functions of open loop point transformer station as cyclization point transformer station.The transmission of ordering that allows to close a floodgate can realize by the existing pilot protection passage of electric power system, does not increase extra passage investment cost.If current conditions do not possess channel transfer, after then the backup auto-activating device of open loop point transformer station is declared the stand-by power supply circuit and do not had pressure (think offside cyclization point transformer station dead electricity), run the switch of circling point jointly through certain time-delay.
The beneficial effects of the utility model are, have a distant place and haul oneself willingly into the automatic closing function that the backup auto-activating device of function can be realized routine, can realize that again a distant place hauls oneself willingly into function, can discern the current operational mode of electric power system automatically according to the switching value and the analog quantity that insert, when the working power dead electricity, haul oneself willingly into the mode correct operation accordingly, realized that really two transformer stations that link to each other with interconnection are standby each other.Realized really that promptly two transformer stations are standby mutually by interconnection, the combined floodgate order that transmission is hauled oneself willingly in a distant place can utilize existing pilot protection passage to realize, reduces investment outlay.
Description of drawings
Fig. 1 is the utility model system main wiring diagram.
Fig. 2 is four kinds of conventional prepared auto restart mode logic diagrams.
Fig. 3 is the logic diagram that dual mode is hauled oneself willingly in a distant place.
Embodiment
In two transformer stations shown in Figure 1, dispose one respectively and have the backup auto-activating device that function is hauled oneself willingly in a distant place, every backup auto-activating device need insert analog quantity to be had: the voltage of two sections buses of our station, the line voltage distribution of our station inlet wire 1 and interconnection, each phase current of our station inlet wire 1 and interconnection.The insertion switch amount has: the position of our station inlet wire 1, interconnection and block switch 3DL (comprise trip position contact TWJ and close back position contact KKJ), receive the offside station close a floodgate order open into, locking prepared auto restart open into or the like.
Introduce two sections busbar voltage mothers I, mother II, be used to that pressure is arranged, do not have to press and differentiate.Introduce inlet wire 1, interconnection two line voltage distribution Ux1, Ux2 as hauling oneself willingly into the assistant criteria of preparing and moving.Introducing inlet wire 1, interconnection two inlet wires each a phase current I1, I2, is to cause the prepared auto restart misoperation in order to prevent behind the bus VT three-phase broken string, also is in order better to confirm whether tripping of service entrance switch.Introduce the trip position contact TWJ of 1DL, 2DL, 3DL block switch, be used for system operation mode and differentiate, haul oneself willingly into and prepare and action.Introducing the back position contact KKJ (attracting from the switching manipulation loop) of closing of 1DL, 2DL, 3DL block switch, is for locking prepared auto restart when hand is jumped working power.
Fig. 2 is four kinds of conventional prepared auto restart mode logic diagrams, hauls oneself willingly into mode 1,2 and throws for inlet wire is equipped with, and hauls oneself willingly into mode 3,4 and hauls oneself willingly into for segmentation.
Haul oneself willingly into mode 1: inlet wire 1 operation, interconnection stand-by heat.
Charge condition:
1) mother I, mother II all have pressure, and when inspection circuit 2 voltage control words dropped into, the interconnection circuit had pressure;
2) 1DL, 3DL are closing the position, and 2DL is in a minute position.
Satisfy above condition simultaneously, after certain time-delay (15 seconds), charge and finish.
Discharging condition:
1) when inspection circuit 2 voltage control words dropped into, the interconnection circuit did not have pressure, discharges through certain time-delay (15 seconds);
2) 2DL closes;
3) hand is jumped 1DL or 3DL;
4) other outside block signals open into;
5) TWJ of 1DL, 2DL or 3DL is unusual;
6) the 1DL switch is refused to jump.
Course of action:
After charging was finished, two buses did not all have pressure, inlet wire 1 and do not have stream, the interconnection circuit has pressure (when inspection circuit 2 voltage control words drop into), jump into line 1 switch through time-delay, confirm the 1DL tripping after the interconnection switch is closed in time-delay.
Haul oneself willingly into mode 2: interconnection operation, inlet wire 1 stand-by heat.
Charge condition:
1) mother I, mother II all have pressure, and when inspection circuit 1 voltage control word dropped into, inlet wire 1 circuit had pressure;
2) 2DL, 3DL are closing the position, and 1DL is in a minute position.
Satisfy above condition simultaneously, after certain time-delay (15 seconds), charge and finish.
Discharging condition:
1) when inspection circuit 1 voltage control word dropped into, inlet wire 1 circuit did not have pressure, discharges through certain time-delay (15 seconds);
2) 1DL closes;
3) hand is jumped 2DL or 3DL;
4) other outside block signals open into;
5) TWJ of 1DL, 2DL or 3DL is unusual;
6) the 2DL switch is refused to jump.
Course of action:
After charging was finished, two buses did not all have pressure, interconnection and do not have stream, inlet wire 1 circuit has pressure (when inspection circuit 1 voltage control word drops into), jump the interconnection switch through time-delay, confirm the 2DL tripping after inlet wire 1 switch is closed in time-delay.
Haul oneself willingly into mode 3,4: two sections bus fanout operations, two sections buses are standby each other.
Charge condition:
1) mother I, mother II all have pressure;
2) 1DL, 2DL are closing the position, and 3DL is in a minute position.
Satisfy above condition simultaneously, after certain time-delay (15 seconds), charge and finish.
Discharging condition:
1) 3DL is closing the position;
2) two buses all do not have pressure, time-delay 15s discharge;
3) hand is jumped 1DL or 2DL;
4) other outside block signals open into;
5) TWJ of 1DL, 2DL or 3DL is unusual;
6) related switch is refused to jump.
Haul oneself willingly into the course of action of mode 3:
After charging was finished, the female nothing of I was pressed, inlet wire 1 does not have stream, mother II has pressure, jumps into line 1 switch through time-delay, confirms the 1DL tripping after delay time and closes block switch.
Haul oneself willingly into the course of action of mode 4:
After charging was finished, the female nothing of II was pressed, interconnection does not have stream, mother I has pressure, jumps the interconnection switch through time-delay, confirms the 2DL tripping after delay time and closes block switch.
Fig. 3 is the logic diagram that haul oneself willingly in a distant place, is divided into the mode of hauling oneself willingly into 5,6, and cyclization point transformer station adopts the mode 5 of hauling oneself willingly into, and open loop point transformer station adopts the mode 6 of hauling oneself willingly into.After the working power dead electricity of cyclization point transformer station, haul oneself willingly into mode 5 actions and jump the working power switch, send out one to open loop point transformer station prepared auto restart afterwards and allow the order of closing a floodgate.The backup auto-activating device of open loop point transformer station receives that permission that offside cyclization point transformer station sends closes a floodgate after the order, add again and declare this side interconnection circuit and do not have pressure, run the interconnection switch of circling point jointly through time-delay, so just realized restoring electricity of involutory circling point transformer station of open loop point transformer station.
Haul oneself willingly into mode 5: cyclization point transformer station prepared auto restart moves when the working power dead electricity.
Charge condition:
1) mother I, mother II all have pressure;
2) 1DL, 2DL, 3DL are all closing the position.
Satisfy above condition simultaneously, after certain time-delay (15 seconds), charge and finish.
Discharging condition:
1) hand is jumped 1DL or 3DL;
2) 2DL is in a minute position;
3) other outside block signals open into;
4) TWJ of 1DL, 2DL or 3DL is unusual;
5) the 1DL switch is refused to jump.
Course of action:
After charging was finished, two mothers did not all have pressure, inlet wire 1 nothing stream, jump into line 1 switch through time-delay, confirmed to send out the order of permission combined floodgate for the prepared auto restart of offside open loop point transformer station after the 1DL tripping.
Haul oneself willingly into mode 6: open loop point transformer station prepared auto restart moves after receiving the combined floodgate order that cyclization point transformer station is transmitted.
Charge condition:
1) mother II has pressure, and the interconnection circuit has pressure;
2) 2DL is in a minute position.
Satisfy above condition simultaneously, after certain time-delay (15 seconds), charge and finish.
Discharging condition:
1) the female nothing of II is pressed, time-delay 15S;
2) 2DL closes;
3) other outside block signals open into;
4) TWJ of 2DL is unusual;
Course of action:
After charging was finished, mother II had pressure, interconnection circuit not to have pressure, received the permission combined floodgate order that offside cyclization point transformer station is transmitted simultaneously, closed the interconnection switch through time-delay.
If the scene does not possess the permission combined floodgate order that channel transfer cyclization point transformer station prepared auto restart sends, then can set and haul oneself willingly into mode 6 and do not add to declare and receiving the order of closing a floodgate by the control word of adjusting, after only declaring mother II and having pressure, interconnection circuit not to have pressure, run circling point interconnection switch jointly through time-delay.Like this, if interconnection generation permanent fault, the open loop point transformer station prepared auto restart open loop point interconnection switch of also joining, at this moment protection acceleration tripping that just must dependence interconnection switch.In addition, for fear of running circling point interconnection switch jointly when interconnection circuit VT broken string mistiming, the contact that available interconnection circuit VT broken string is associated goes locking to haul oneself willingly into mode 6.So want to realize that by interconnection two transformer stations are standby each other, the order that preferably will have channel transfer to allow to close a floodgate realizes that a distant place hauls oneself willingly into, and is more reliable like this, safer.
Claims (2)
1. have a distant place and haul oneself willingly into the backup auto-activating device of function, dispose one respectively in open loop point transformer station and cyclization point transformer station and have the backup auto-activating device that function is hauled oneself willingly in a distant place, it is characterized in that every backup auto-activating device inserts analog quantity and is: the voltage of two sections buses of our station (mother I, mother II), the line voltage distribution of our station inlet wire (1) and interconnection, each phase current of our station inlet wire (1) and interconnection; The switching value that every backup auto-activating device inserts is: the trip position contact (TWJ) of our station inlet wire (1), interconnection and block switch and block switch close back position contact (KKJ), receive the offside station close a floodgate opening of ordering into, locking prepared auto restart open into; Insert two sections busbar voltages of our station (mother I, mother II), be used to that pressure is arranged, do not have to press and differentiate; Insert our station inlet wire (1), two line voltage distributions of interconnection (Ux1, Ux2) as hauling oneself willingly into the assistant criteria of preparing and moving; Insert the trip position contact (TWJ) of block switch (1DL, 2DL, 3DL), be used for system operation mode and differentiate, haul oneself willingly into and prepare and action; Insert locking prepared auto restart when afterwards position contact (KKJ) is jumped working power as hand that closes of block switch (1DL, 2DL, 3DL).
2. according to claim 1 have a backup auto-activating device that function is hauled oneself willingly in a distant place, it is characterized in that having the backup auto-activating device of hauling oneself willingly into function in a distant place and realize the permission of hauling oneself willingly in the distant place order of closing a floodgate in the existing pilot protection channel transfer of electric power system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200397586U CN201215898Y (en) | 2008-06-27 | 2008-06-27 | Backup auto-activating device having remote auto-activating function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200397586U CN201215898Y (en) | 2008-06-27 | 2008-06-27 | Backup auto-activating device having remote auto-activating function |
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| CN201215898Y true CN201215898Y (en) | 2009-04-01 |
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| CN101917056A (en) * | 2010-08-16 | 2010-12-15 | 广东省电力调度中心 | 220kV bus switch spare automatic switching method of 550kV station |
| CN102033181A (en) * | 2010-11-25 | 2011-04-27 | 河南省电力公司洛阳供电公司 | Portable spare power automatic switching calibrator |
| CN102097856A (en) * | 2011-01-18 | 2011-06-15 | 北京四方继保自动化股份有限公司 | Spare power automatic switching programmable logic control method for plant supply of power station |
| CN102522815A (en) * | 2012-01-09 | 2012-06-27 | 云南电力试验研究院（集团）有限公司电力研究院 | Automatic switching method of intelligent inter-station remote backup power supply |
| CN102545376A (en) * | 2012-02-02 | 2012-07-04 | 贵州电网公司电网规划研究中心 | Spare power automatic switching system for 220 KV line faults |
| CN104333125A (en) * | 2014-11-26 | 2015-02-04 | 国网宁夏电力公司固原供电公司 | Long-distance automatic stand-by power switching device |
| CN104868454A (en) * | 2015-06-12 | 2015-08-26 | 国家电网公司 | Backup power supply switchover protective system |
| CN104977546A (en) * | 2015-06-29 | 2015-10-14 | 广东电网有限责任公司江门供电局 | Secondary direct-current power source loss discriminating method for substations |
| CN105244992A (en) * | 2015-09-01 | 2016-01-13 | 云南电网有限责任公司大理供电局 | Remote backup power supply automatic switching method and system |
| CN105322645A (en) * | 2015-12-06 | 2016-02-10 | 江苏省电力公司宿迁供电公司 | Call wire bi-directional backup system |
| CN105703476A (en) * | 2016-04-08 | 2016-06-22 | 国家电网公司 | Emergency power supply automatic switch-in device |
| CN109245101A (en) * | 2018-11-13 | 2019-01-18 | 国网四川省电力公司天府新区供电公司 | The method for promoting statements based on collusion substation's power supply reliability |
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| CN113357695A (en) * | 2021-06-04 | 2021-09-07 | 贵州中毅达科技有限公司 | Implementation method of electric heater with multiple systems |
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2008
- 2008-06-27 CN CNU2008200397586U patent/CN201215898Y/en not_active Expired - Lifetime
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| CN101917056B (en) * | 2010-08-16 | 2012-12-12 | 广东省电力调度中心 | 220kV bus switch spare automatic switching method of 550kV station |
| CN101917056A (en) * | 2010-08-16 | 2010-12-15 | 广东省电力调度中心 | 220kV bus switch spare automatic switching method of 550kV station |
| CN102033181A (en) * | 2010-11-25 | 2011-04-27 | 河南省电力公司洛阳供电公司 | Portable spare power automatic switching calibrator |
| CN102033181B (en) * | 2010-11-25 | 2014-09-10 | 河南省电力公司洛阳供电公司 | Portable spare power automatic switching calibrator |
| CN102097856A (en) * | 2011-01-18 | 2011-06-15 | 北京四方继保自动化股份有限公司 | Spare power automatic switching programmable logic control method for plant supply of power station |
| CN102522815A (en) * | 2012-01-09 | 2012-06-27 | 云南电力试验研究院（集团）有限公司电力研究院 | Automatic switching method of intelligent inter-station remote backup power supply |
| CN102545376A (en) * | 2012-02-02 | 2012-07-04 | 贵州电网公司电网规划研究中心 | Spare power automatic switching system for 220 KV line faults |
| CN104333125A (en) * | 2014-11-26 | 2015-02-04 | 国网宁夏电力公司固原供电公司 | Long-distance automatic stand-by power switching device |
| CN104868454A (en) * | 2015-06-12 | 2015-08-26 | 国家电网公司 | Backup power supply switchover protective system |
| CN104868454B (en) * | 2015-06-12 | 2018-09-18 | 国家电网公司 | Automatic closing protects system |
| CN104977546B (en) * | 2015-06-29 | 2018-01-16 | 广东电网有限责任公司江门供电局 | A kind of Secondary Direct Electrical Resources towards transformer station lose method of discrimination |
| CN104977546A (en) * | 2015-06-29 | 2015-10-14 | 广东电网有限责任公司江门供电局 | Secondary direct-current power source loss discriminating method for substations |
| CN105244992A (en) * | 2015-09-01 | 2016-01-13 | 云南电网有限责任公司大理供电局 | Remote backup power supply automatic switching method and system |
| CN105322645A (en) * | 2015-12-06 | 2016-02-10 | 江苏省电力公司宿迁供电公司 | Call wire bi-directional backup system |
| CN105703476A (en) * | 2016-04-08 | 2016-06-22 | 国家电网公司 | Emergency power supply automatic switch-in device |
| CN105703476B (en) * | 2016-04-08 | 2019-01-11 | 国家电网公司 | A kind of automatic throw-in equipment of emergency power supply |
| CN109245101A (en) * | 2018-11-13 | 2019-01-18 | 国网四川省电力公司天府新区供电公司 | The method for promoting statements based on collusion substation's power supply reliability |
| CN109245101B (en) * | 2018-11-13 | 2022-03-11 | 国网四川省电力公司天府新区供电公司 | Method for improving power supply reliability of series-supply transformer substation |
| CN112865283A (en) * | 2021-01-12 | 2021-05-28 | 国网山东省电力公司邹城市供电公司 | Spare power automatic switching device and method for internal bridging type transformer substation |
| CN112865283B (en) * | 2021-01-12 | 2022-07-26 | 国网山东省电力公司邹城市供电公司 | Spare power automatic switching device and method for internal bridge connection type transformer substation |
| CN113357695A (en) * | 2021-06-04 | 2021-09-07 | 贵州中毅达科技有限公司 | Implementation method of electric heater with multiple systems |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090401 |