CN102064609B - 500kV unmanned transformer station-based remote control method for protective soft pressing plate - Google Patents
500kV unmanned transformer station-based remote control method for protective soft pressing plate Download PDFInfo
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- CN102064609B CN102064609B CN2010106157179A CN201010615717A CN102064609B CN 102064609 B CN102064609 B CN 102064609B CN 2010106157179 A CN2010106157179 A CN 2010106157179A CN 201010615717 A CN201010615717 A CN 201010615717A CN 102064609 B CN102064609 B CN 102064609B
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- pressing plate
- state
- soft pressing
- dispatching terminal
- protective device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The invention relates to a 500kV unmanned transformer station-based remote control method for a protective soft pressing plate. A device for the method comprises a dispatching end, a communicator and a protective device, wherein the dispatching end is used for receiving instruction information and state information of the transformer station pressing plate and matching the instruction information and the state information of the transformer station pressing plate; the communicator is used for transmitting the instruction information sent by the dispatching end to the protective device and transmitting the pressing plate state information fed back by the protective device to the dispatching end; and the protective device is used for executing the instruction of the dispatching end and returning the pressing plate state information acquired after the instruction is executed to the dispatching end. The method comprises the following steps that: 1, the dispatching end regulates the state of the pressing plate; 2, the dispatching end controls the soft pressing plate to operate; and 3, the dispatching end regulates the state of the soft pressing plate. The method changes manual operation of the protective soft pressing plate into intelligent implementation of a computer, reduces unnecessary artificial work, reduces possible miss probability, avoids human injury by accidents, and fulfills the purposes of reducing operators and increasing the effect.
Description
Technical field
The present invention relates to the soft pressing plate long-range control method of a kind of safe and reliable protection based on the 500kV unattended operation transformer station.
Background technology
Along with the development of economic construction, the paces of China's power grid construction are constantly accelerated, and the recent year electrical network is widelyd popularize the unattended technology of transformer station.The Unattended substation technology take the safety in production and reliability service as prerequisite, improvement by aspects such as design optimization, technological innovation and operational managements, reduce or withdrawn the daily operator on duty of transformer station, with concentrated scheduling centralized control center or the operation team of being provided in of high-quality human resources, solved potential human resources contradiction, reduced human cost, thereby improved labor productivity, reduce the people and be misoperation, and progressively simplify building and nonproductive service facility in the station, saved occupation of land and cost investment.Protecting the throwing of soft pressing plate to move back is the part of protection equipment operating outbalance in the transformer station; it is to need operator on duty or the operations staff enterprising line operate of protective device in transformer station that at present traditional soft pressing plate is thrown annealing method; this situation not only appears in the conventional attended substation, also appears in few people on duty or the unattended substation.For a long time, owing to lack the long-range delivery that clear and definite working specification and method instruct soft pressing plate, cause centralized control center or scheduling can not protect the operation of soft pressing plate.Along with the popularization of unattended technology, especially after the superhigh pressure unattended substation occurring, realize that truly unattended just becomes a current difficult problem anxious to be resolved.Because the throwing of the soft pressing plate of protection is moved back the throwing that relates to concrete defencive function and is moved back, and so just is directly connected to the safe operation of transformer station, therefore must have a practicable method to guarantee to protect the remote-operated security reliability of soft pressing plate.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of safe and reliable protection based on the 500kV unattended operation transformer station soft pressing plate long-range control method.
The technical solution adopted for the present invention to solve the technical problems is as follows: the soft pressing plate long-range control method of a kind of protection based on the 500kV unattended operation transformer station, its improvements are, the device of the method comprises dispatching terminal, be used for accepting the pressing plate state information of command information and transformer station, and the pressing plate state information of command information and transformer station is complementary; Communication equipment, the command information that is used for dispatching terminal is sent is transported to protective device, and the pressing plate state information of protective device feedback is transported to dispatching terminal; Protective device is used for the instruction of operation dispatching end, and will carry out the pressing plate state information that obtains after the instruction and be returned to dispatching terminal; Wherein, protective device has " distant place/on the spot " control switch, the state of the state that the pressing plate state comprises soft pressing plate and the hard pressing plate corresponding with soft pressing plate; The method comprises the steps:
One, the on the spot state of establishing " distant place/on the spot " control switch YX_KZ of protective device is 0, and distant place state is 1, and minute state of soft pressing plate YX_S is 0; the state of closing is 1, and minute state of the hard pressing plate YX_Y corresponding with this soft pressing plate is 0, and the state of closing is 1; dispatching terminal regulator board state
A, dispatching terminal judge " distant place/on the spot " control switch state of protective device according to (1) formula,
YX_KZ＝1 (1)
If YX_KZ=1 enters step b, if YX_KZ=0, EO;
B, dispatching terminal judge the state of hard pressing plate and soft pressing plate according to (2) formula,
YX_Y=YX_S （2）
If YX_Y=YX_S enters step 2, if YX_Y ≠ YX_S, EO;
Two, a minute state of establishing the soft pressing plate YX_S ' of expection is 0, and the state of closing is 1, and dispatching terminal is controlled soft pressing plate and operated, and dispatching terminal judges according to the soft pressing plate state of (3) formula after to operation,
YX_S= YX_S′ （3）
If YX_S=is YX_S ', the soft pressing plate state after the operation is identical with expecting state, enters step 3, if YX_S ≠ YX_S ', the soft pressing plate state after the operation is not identical with expecting state, shut-down operation;
Three, dispatching terminal is transferred soft pressing plate current state, dispatching terminal is judged the current state of soft pressing plate according to (3) formula, if YX_S=is YX_S ', the current state of soft pressing plate is identical with expecting state, operate successfully, if YX_S ≠ YX_S ', the current state of soft pressing plate is not identical with expecting state, shut-down operation.
The present invention solves its technical problem can also adopt following technology solution:
The soft pressing plate long-range control method of above-mentioned protection based on the 500kv unattended operation transformer station; between wherein said step b and the step 2; also have following steps: c, establish and expect that minute state of soft pressing plate YX_S ' is 0; the state of closing is 1; dispatching terminal is controlled soft pressing plate and is carried out pre-operation; dispatching terminal is judged according to the soft pressing plate state of (3) formula after to pre-operation; if YX_S=is YX_S '; soft pressing plate state behind the pre-operation is identical with expecting state; enter step 2; if YX_S ≠ YX_S ', the soft pressing plate state behind the pre-operation is not identical with expecting state, shut-down operation.
The soft pressing plate long-range control method of above-mentioned protection based on the 500kv unattended operation transformer station; wherein said dispatching terminal is provided with the pre-operation driver; in order to send the pre-operation instruction to protective device; described protective device is provided with corresponding pre-operation executive program, in order to the soft pressing plate state after responding pre-operation and sending pre-operation to dispatching terminal.
The soft pressing plate long-range control method of above-mentioned protection based on the 500kv unattended operation transformer station, therein described step 2, three and c in, after the shut-down operation; whether needs operate again according to the actual conditions artificial judgment; if need again operation, enter step 1, otherwise EO.
Beneficial effect of the present invention is as follows: the present invention has provided a kind of entire flow of protecting soft pressing plate remote control operation; the manual operation of the soft pressing plate of protection is changed by Computerized intelligent and realizes; bring in control operation equipment by scheduling; reduced unnecessary artificial work; reduced possible probability of failure; namely avoided the generation of personal injury under the fortuitous event; reached again the purpose of increasing efficiency by downsizing payrolls, again by regulator board state repeatedly with carry out several measures such as pre-operation program and guaranteed the fail safe of operating process and the reliability of operating result.
Description of drawings
Fig. 1 is the flow chart that the present invention protects soft pressing plate long-range control method.
Embodiment
With reference to the accompanying drawings and in conjunction with the embodiments the present invention is described in further detail.But the invention is not restricted to given example.
The inventive system comprises dispatching terminal, be used for accepting the state information of command information and transformer station's pressing plate, and the state information of command information and transformer station's pressing plate is complementary; Communication equipment, the command information that is used for dispatching terminal is sent is transported to protective device, and the pressing plate state information of protective device feedback is transported to dispatching terminal; Protective device is used for the instruction of operation dispatching end, and will carry out the pressing plate state information that obtains after the instruction and be returned to dispatching terminal.Protective device has " distant place/on the spot " control switch, the state of the state that the pressing plate state comprises soft pressing plate and the hard pressing plate corresponding with soft pressing plate.
Method of the present invention comprises the steps: one, dispatching terminal regulator board state, manually input the command information of transferring soft pressing plate state at dispatching terminal, and this command information is transported to protective device by communication equipment, protective device is carried out this instruction and the pressing plate state information " YX_KZ, YX_Y, YX_S " that obtains is returned dispatching terminal, dispatching terminal is judged according to (1), (2) formula, if the requirement of return information coincidence formula enters next step, otherwise this EO; The dispatching terminal control protective unit carries out pre-operation to soft pressing plate, the pre-operation instruction that protective device operation dispatching end sends and the soft pressing plate state information that will obtain are returned dispatching terminal, the state of the soft pressing plate of expection is set at dispatching terminal, judge according to (3) formula, if return information compound formula requirement, enter step 2, otherwise shut-down operation; Two, the dispatching terminal control protective unit operates soft pressing plate, and the soft pressing plate state information that the device that is protected returns is judged according to (3) formula, if the requirement of return information compound formula enters step 3, otherwise shut-down operation; Three, dispatching terminal is transferred soft pressing plate state, and the soft pressing plate state information that the device that is protected returns is judged according to (3) formula, if the requirement of return information compound formula operates successfully this EO, otherwise shut-down operation.In this operation, after the shut-down operation, whether needs operate again according to the actual conditions artificial judgment, if need, enter step 1, otherwise this EO.
Embodiment one
As shown in Figure 1; the soft pressing plate long-range control method of the protection of present embodiment; comprise the steps: that the control centre receives task; need the long-range soft pressing plate of zero-sequenceprotection to the route protection RCS931 in the transformer station to operate; make the state of the soft pressing plate of zero-sequenceprotection into " dividing " by " closing "; therefore, at dispatching terminal the soft pressing plate state YX_S ' of expection=0 is set in the present embodiment.The state of dispatching terminal regulator board, concrete operations are, the command information of artificial input regulator board state on the computer of dispatching terminal, this command information is transported to protective device by communication equipment, protective device is carried out this instruction and the pressing plate state information " YX_KZ=1; YX_Y=YX_S=1 " that obtains is returned dispatching terminal, " distant place/on the spot " control switch state of " YX_KZ=1; YX_Y=YX_S=1 " expression protective device is " distant place ", the state of the hard pressing plate that soft pressing plate is corresponding with it is " closing ", dispatching terminal is successively according to (1), (2) formula is judged, find that return information satisfies the condition of the soft clamp operation of Long-distance Control, enters next step; Elder generation's input operation password is to arriving dispatching terminal, the again pre-operation instruction of artificial input minute soft pressing plate, protective device receives this instruction and carries out pre-operation according to this instruction by communication equipment, obtain return information " YX_S=0 ", be YX_S=YX_S ', return information is transported to dispatching terminal and judges according to (3) formula, finds that return information is consistent with expected results, the success of expression pre-operation; The practical operation instruction of artificial input minute soft pressing plate, the protective device that receives this instruction operates soft pressing plate, obtain return information " YX_S=0 ", be YX_S=YX_S ', return information is transported to dispatching terminal and judges according to (3) formula, find that return information is consistent with expected results, expression practical operation success enters next step; The state of soft pressing plate is transferred in manual operation again, and dispatching terminal obtains information " YX_S=0 ", judges according to (3) formula, finds that the soft pressing plate state that returns is consistent with expecting state, and Long-distance Control is protected the operation success of soft pressing plate, EO.
In aforesaid operations, if find YX_S=1, the state that represents soft pressing plate is shown as " closing ", YX_S ≠ YX_S ', the soft pressing plate state after the operation is not identical with expecting state, the description operation failure, need to check failure cause, and judging whether that according to actual conditions needs operate again, operation then enters previous step if need again, otherwise EO.
In addition, before operation, need the input operation password to the computer of dispatching terminal, operator password is so that dispatching terminal has carried out strict setting to operator's authority, stop the not operation personnel and carried out violation operation, can ensure fail safe and the controllability of operating process, can also deposit the associative operation record in history library according to the username and password of input, convenient management simultaneously; In fact pre-operation is exactly a kind of simulation preview; be provided with the pre-operation driver at dispatching terminal; the pre-operation command information that it sends sends to protective device by communication equipment; its corresponding executive program response pre-operation and control protective unit can not carry out actual soft pressing plate and divide or closing operation on the protective device; soft pressing plate state behind the pre-operation is sent to dispatching terminal, so whether the pre-operation program whether normally to reach operating process correct if only being used for detecting communication port.
Present embodiment is applicable to protect the distant place in definite value district to switch, and can be applied to 500kV Unattended substation technology, helps to set up unattended substation truly, has improved operating efficiency, the manpower of saving.
Embodiment two
The difference of present embodiment and embodiment 1 is: the control centre receives task; need long-range the soft pressing plate of 220kV bus protection BP2B " I, mother II interconnected " to be operated; make the state of this pressing plate into " closing " by " dividing "; the soft pressing plate state YX_S ' of expection=1; the state of regulator board obtains return information " YX_KZ=0 ", and this EO checks reason; " distant place/on the spot " control switch state of finding protective device be " on the spot ", and this protective device is refused remote operation.
Embodiment three
The difference of present embodiment and embodiment 1 is: the control centre receives task; need the long-range soft pressing plate of zero sequence II section to the protection PSL602 in the transformer station to operate; change the state of soft pressing plate into " closing ", the soft pressing plate state YX_S ' of expection=1 from " dividing ".The state of manual operation regulator board, return information " YX_KZ=1, YX_Y=YX_S=0 " satisfies operating condition.Soft pressing plate pre-operation, return information " YX_S=0 ", namely YX_S ≠ YX_S ' illustrates that return results is inconsistent with expection; the pre-operation failure, operation stops, and checks reason; find the not yet involution of signal of the last operation of this protective device, can not operate this time EO.
Claims (4)
1. soft pressing plate long-range control method of the protection based on the 500kV unattended operation transformer station, the device that it is characterized in that the method comprises dispatching terminal, be used for accepting the pressing plate state information of command information and transformer station, and the pressing plate state information of command information and transformer station is complementary; Communication equipment, the command information that is used for dispatching terminal is sent is transported to protective device, and the pressing plate state information of protective device feedback is transported to dispatching terminal; Protective device is used for the instruction of operation dispatching end, and will carry out the pressing plate state information that obtains after the instruction and be returned to dispatching terminal; Wherein, protective device has " distant place/on the spot " control switch, the state of the state that the pressing plate state comprises soft pressing plate and the hard pressing plate corresponding with soft pressing plate; The method comprises the steps:
One, the on the spot state of establishing " distant place/on the spot " control switch YX_KZ of protective device is 0, and distant place state is 1, and minute state of soft pressing plate YX_S is 0; the state of closing is 1, and minute state of the hard pressing plate YX_Y corresponding with this soft pressing plate is 0, and the state of closing is 1; dispatching terminal regulator board state
A, dispatching terminal judge " distant place/on the spot " control switch state of protective device according to (1) formula,
YX_KZ=1 (1)
If YX_KZ=1 enters step b, if YX_KZ=0, EO;
B, dispatching terminal judge the state of hard pressing plate and soft pressing plate according to (2) formula,
YX_Y=YX_S (2)
If YX_Y=YX_S enters step 2, if YX_Y ≠ YX_S, EO;
Two, a minute state of establishing the soft pressing plate YX_S' of expection is 0, and the state of closing is 1, and dispatching terminal is controlled soft pressing plate and operated, and dispatching terminal judges according to the soft pressing plate state of (3) formula after to operation,
YX_S=YX_S' (3)
If YX_S=YX_S', the soft pressing plate state after the operation is identical with expecting state, enters step 3, if YX_S ≠ YX_S', the soft pressing plate state after the operation is not identical with expecting state, shut-down operation;
Three, dispatching terminal is transferred soft pressing plate current state, dispatching terminal is judged the current state of soft pressing plate according to (3) formula, if YX_S=YX_S', the current state of soft pressing plate is identical with expecting state, operate successfully, if YX_S ≠ YX_S', the current state of soft pressing plate is not identical with expecting state, shut-down operation.
2. the soft pressing plate long-range control method of the protection based on the 500kV unattended operation transformer station according to claim 1; it is characterized in that between step b and step 2; also have following steps: c, dispatching terminal is controlled soft pressing plate and is carried out pre-operation; dispatching terminal is judged according to the soft pressing plate state of (3) formula after to pre-operation; if YX_S=YX_S'; soft pressing plate state behind the pre-operation is identical with expecting state; enter step 2; if YX_S ≠ YX_S'; soft pressing plate state behind the pre-operation is not identical with expecting state, shut-down operation.
3. the soft pressing plate long-range control method of the protection based on the 500kV unattended operation transformer station according to claim 2; it is characterized in that: described dispatching terminal is provided with the pre-operation driver; in order to send the pre-operation instruction to protective device; described protective device is provided with corresponding pre-operation executive program, in order to the soft pressing plate state after responding pre-operation and sending pre-operation to dispatching terminal.
4. the soft pressing plate long-range control method of the protection based on the 500kV unattended operation transformer station according to claim 1 and 2; it is characterized in that: described step 2, three and c in; after the shut-down operation; whether needs operate again according to the actual conditions artificial judgment; if need again operation; enter step 1, otherwise EO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106157179A CN102064609B (en) | 2010-12-31 | 2010-12-31 | 500kV unmanned transformer station-based remote control method for protective soft pressing plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106157179A CN102064609B (en) | 2010-12-31 | 2010-12-31 | 500kV unmanned transformer station-based remote control method for protective soft pressing plate |
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| Publication Number | Publication Date |
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| CN102064609A CN102064609A (en) | 2011-05-18 |
| CN102064609B true CN102064609B (en) | 2013-01-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103280776B (en) * | 2013-05-20 | 2015-10-28 | 南京国电南自电网自动化有限公司 | A kind of method preventing differential protection incorrect operation |
| CN104242261B (en) * | 2014-08-27 | 2017-05-31 | 国家电网公司 | It is a kind of to throw the control method moved back suitable for T connection electric transmission lines differential protection function |
| CN104734118B (en) * | 2015-03-16 | 2017-11-28 | 国网山西省电力公司电力科学研究院 | Intelligent substation transformer differential protection throws the Direct Recognition system for state of moving back |
| CN104852469B (en) * | 2015-05-07 | 2016-12-28 | 国家电网公司 | Intelligent substation based on the equipment real-time status long-range method for preventing misoperation of soft pressing plate |
| CN105449860A (en) * | 2015-12-09 | 2016-03-30 | 国家电网公司 | Secondary protection system of substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1830450A1 (en) * | 2006-03-02 | 2007-09-05 | ABB Technology AG | Remote terminal unit and monitoring, protection and control of power systems |
| CA2653606A1 (en) * | 2006-06-29 | 2008-01-03 | Edsa Micro Corporation | Automatic real-time optimization and intelligent control of electrical power distribution and transmission systems |
| CN101594004A (en) * | 2009-06-29 | 2009-12-02 | 江苏金智科技股份有限公司 | The intelligence control method of electric substation automation system |
| CN101662168A (en) * | 2009-07-17 | 2010-03-03 | 俞琳 | System for preventing misoperation of relay-protection pressing plate and method for controlling same |
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Owner name: NARI NANJING CONTROL SYSTEM LTD. Free format text: FORMER NAME: NANJING SINO-GERMAN PROTECTION CONTROL SYSTEM CO., LTD. |
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Address after: High road high tech Development Zone of Nanjing city in Jiangsu province 210061 19-1 Building No. 4 Patentee after: SGCC NARI Nanjing Control System Co., Ltd. Address before: High road high tech Development Zone of Nanjing city in Jiangsu province 210061 19-1 Building No. 4 Patentee before: Nanjing Sino-German Protection Control System Co., Ltd. |
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Granted publication date: 20130109 Termination date: 20181231 |
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