CN202488209U - Optimizing device suitable for spare inlet wire automatic switch logic in small hydropower enriched areas - Google Patents
Optimizing device suitable for spare inlet wire automatic switch logic in small hydropower enriched areas Download PDFInfo
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- CN202488209U CN202488209U CN2012200866640U CN201220086664U CN202488209U CN 202488209 U CN202488209 U CN 202488209U CN 2012200866640 U CN2012200866640 U CN 2012200866640U CN 201220086664 U CN201220086664 U CN 201220086664U CN 202488209 U CN202488209 U CN 202488209U
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- auto restart
- prepared auto
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The utility model relates to an optimizing device suitable for spare inlet wire automatic switch logic in small hydropower enriched areas, which is characterized by comprising a stand (1) and a main control system arranged in the stand (1), an AC signal processing module, an external switching-in signal processing module, a signal output module, an external accessing terminal and a communication terminal, wherein the AC signal processing module, the external switching-in signal processing module, the signal output module, the external accessing terminal and the communication terminal are respectively connected with the main control system. Therefore, the optimizing device has the advantages of reasonable design, simple structure, smaller noise and complete practicability, and capability of better increasing success rate and responding speed of a spare inlet wire automatic switch, especially success rate and responding speed of a spare inlet wire automatic switch device in areas with small hydropower stations.
Description
Technical field
The utility model relates to a kind of optimization means, especially relates to a kind of small power station that is applicable to and enriches the optimization means of regional inlet wire prepared auto restart logic.
Background technology
Continuous expansion along with scale of power; Electric network composition is also increasingly sophisticated; Requirement for power supply reliability is also increasingly high; Generally adopt two-way (main be equipped with) power supply at mains supply,, load is automatically switched in another road standby power system by automatic throw-in equipment of emergency power supply (abbreviation prepared auto restart) when main working power breaks down can not normal power supply the time.This power supply switching principle is to be confirmed by the logic function of prepared auto restart, and the perfect of the logic function of prepared auto restart is to guarantee the continuity of power supply and the necessary condition of reliability.
When the circuit transient fault; Main power supply disappears, and at first adopts circuit both sides reclosing, and system side adopts the female live conductor of inspection not have the reclosing mode of pressure; The general couplet earlier of load side protection action back cut little electricity online circuit breaker; After couplet was cut into merit (busbar voltage disappearance), load side reclosing inspection line has pressed female no pressure mode to overlap, and protects not decompression of transformer station;
When the circuit permanent fault, main power supply disappears, and at first still adopts circuit both sides reclosing; The reclosing mode that system side adopts the female live conductor of inspection not have pressure overlaps, and overlaps back protection post acceleration would trip, and general the couplet earlier of load side protection action back cut little electricity online circuit breaker; After couplet was cut into merit (busbar voltage disappearance), load side reclosing inspection line has pressed female no pressure mode to overlap, because of tripping operation is quickened in protection after the system side coincidence; The load side reclosing is failure to actuate, and the load side busbar voltage disappears, and the load side prepared auto restart detects the main circuit that supplies does not have pressure; Bus does not have pressure, and extension wire has to press the back action to throw to go up the extension wire circuit breaker supplies power to load side transformer station;
If circuit fault-free, but system side decompression, route protection and reclosing will can not move so; The little electricity of load side will support the section load; If little electricity wears down rapidly, then the load side prepared auto restart can detect extension wire has the action of the back of pressure, if little electricity is enough powerful; Can become lonely network operation, then can handle the back and be incorporated into the power networks with system through the dispatcher; If the lonely network operation failure of little electricity, supporting time surpasses prepared auto restart and supports failure after discharge time, and then regional power grid is with decompression.So, can not effectively solve for the system side decompression with upper type.Need to explore the action problem that a kind of new system solves little electricity online prepared auto restart.
The utility model content
The utility model mainly is to solve the existing in prior technology technical problem; Provide success rate and a kind of small power station that is applicable to of response speed of the automatic throw-in equipment of emergency power supply in the abundant area of a kind of success rate and response speed, the especially small power station that can improve prepared auto restart preferably to enrich the optimization means of regional inlet wire prepared auto restart logic.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
A kind of small power station that is applicable to enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that, comprise frame and be arranged on the master control system in the frame, open into signal processing module, signal output module, peripheral hardware incoming end and communication ends AC signal processing module, the outside that is connected with master control system respectively.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and said master control system comprises a main control chip and is arranged on main power supply bus master condition judgment module, stand-by power supply bus rate of change judge module and the prepared auto restart condition judgment module in the main control chip.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and main power supply bus master condition judgment module comprises main power supply bus low frequency condition judgment unit and the main power supply bus low pressure condition judging unit that links to each other successively.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and said stand-by power supply bus rate of change judge module comprises stand-by power supply busbar voltage effective value and rate of change condition judgment unit, stand-by power supply bus frequency values and rate of change condition judgment unit thereof and the stand-by power supply busbar voltage phase angle change rate condition judgment unit that links to each other successively.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and said prepared auto restart condition judgment module comprises that the prepared auto restart charge condition judging unit and the prepared auto restart that link to each other successively do not have the elemental motion condition judgment unit of pressing nothing stream.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and said AC signal processing module comprises low pass filter and the A/D modular converter that links to each other successively, and said A/D modular converter is connected with said master control system.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and said outside is opened into signal processing module and comprised that one is used to accept the outside and opens the optocoupler unit into signal, and said optocoupler unit is connected with said master control system.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and said signal output module comprises output optocoupler unit and the exit relay that links to each other successively, and said output optocoupler unit is connected with said master control system.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and said peripheral hardware incoming end comprises LCD access interface, the keyboard access interface that is connected with master control system respectively and prints access interface; Said communication ends comprises serial communication port, ethernet communication port and 61850 COM1s that are connected with master control system respectively.
A kind of small power station that is applicable to above-mentioned enriches the optimization means of regional inlet wire prepared auto restart logic, and said main control chip adopts TMS320VC33.
Therefore, the utlity model has following advantage: 1. reasonable in design, simple in structure, the less and complete practicality of noise; 2. success rate and response speed, the especially small power station that can improve prepared auto restart preferably enrich the success rate and the response speed of the automatic throw-in equipment of emergency power supply in area.
Description of drawings
Fig. 1 is the structural principle sketch map of the utility model.
Fig. 2 is the structural principle sketch map of the utility model embodiment.
Fig. 3 is the main TV structure sketch map of the utility model.
Fig. 4 is the plan structure schematic representation intention of Fig. 3.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment:
The utility model comprise frame 1 and be arranged on the master control system in the frame 1, open into signal processing module, signal output module, peripheral hardware incoming end and communication ends AC signal processing module, the outside that is connected with master control system respectively.
Master control system comprises a main control chip and is arranged on stand-by power supply bus master condition judgment module, stand-by power supply bus rate of change judge module and the prepared auto restart condition judgment module in the main control chip.
Main power supply bus master condition judgment module comprises main power supply bus low frequency condition judgment unit and the main power supply bus low pressure condition judging unit that links to each other successively; Stand-by power supply bus rate of change judge module comprises stand-by power supply busbar voltage effective value and rate of change condition judgment unit, stand-by power supply bus frequency values and rate of change condition judgment unit thereof and the stand-by power supply busbar voltage phase angle change rate condition judgment unit that links to each other successively; Prepared auto restart condition judgment module comprises that the prepared auto restart charge condition judging unit and the prepared auto restart that link to each other successively do not have the elemental motion condition judgment unit of pressing nothing stream.
The AC signal processing module comprises low pass filter and the A/D modular converter that links to each other successively, and said A/D modular converter is connected with said master control system.
The outside is opened into signal processing module and is comprised that one is used to accept the outside and opens the optocoupler unit into signal, and said optocoupler unit is connected with said master control system.
Signal output module comprises output optocoupler unit and the exit relay that links to each other successively, and said output optocoupler unit is connected with said master control system.
The peripheral hardware incoming end comprises LCD access interface, the keyboard access interface that is connected with master control system respectively and prints access interface;
Communication ends comprises serial communication port, ethernet communication port and 61850 COM1s that are connected with master control system respectively.
Like Fig. 2, main control chip adopts the CPU of TMS320VC33, has wherein comprised stand-by power supply bus master condition judgment module, stand-by power supply bus rate of change judge module and prepared auto restart condition judgment module.
In the present embodiment; Main power supply bus low frequency condition judgment unit comprises that low frequency locking input, frequency satisfy low frequency locking definite value, frequency slip frequency satisfies low frequency locking slippage definite value and frequency is in this sets of conditions of frequency fluctuation setting range, when all satisfying above-mentioned condition, can be judged as bus and satisfy the low frequency condition; Main power supply bus low pressure condition judging unit comprises that low-voltage dead lock input, voltage satisfy the low-voltage dead lock definite value, the voltage slippage satisfies voltage-frequency locking slippage definite value and voltage is in this sets of conditions of voltage fluctuation setting range, when all satisfying above-mentioned condition, can be judged as bus and satisfy the low pressure condition; Stand-by power supply bus rate of change judge module is comprised stand-by power supply busbar voltage effective value and rate of change condition judgment unit, stand-by power supply bus frequency values and rate of change condition judgment unit thereof and stand-by power supply busbar voltage phase angle change rate condition judgment unit, when all satisfying above-mentioned condition, can be judged as extension wire and satisfy accident section power reguirements.
Extension wire will pass through voltage effective value, frequency amplitude, and the setting range of terms and conditions is satisfied in the detection of voltage, frequency change rate and these a series of parameters of voltage phase angle rate of change, proves that then stand-by power supply can satisfy accident section power demands.
When bus low pressure, two conditions of low frequency satisfy one at least, explain that then small power station satisfies the block supply requirement, through making the judgement of Lian Qie small power station behind the delay confirmation.
Require to satisfy all testing conditions of extension wire simultaneously, and after the prepared auto restart charging is accomplished, cut one's respective area small power station through the suitable time-delay couplet, prepared auto restart affirmation condition after time-delay all is satisfied and can moves.
If after time-delay, have arbitrary condition not to be satisfied in the testing conditions of stand-by power supply, judge that then stand-by power supply is unreliable, prepared auto restart is failure to actuate.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (10)
1. one kind is applicable to that small power station enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that, comprise frame (1) and be arranged on the master control system in the frame (1), open into signal processing module, signal output module, peripheral hardware incoming end and communication ends AC signal processing module, the outside that is connected with master control system respectively.
2. a kind of small power station that is applicable to according to claim 1 enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that said master control system comprises a main control chip and is arranged on main power supply bus master condition judgment module, stand-by power supply bus rate of change judge module and the prepared auto restart condition judgment module in the main control chip.
3. a kind of small power station that is applicable to according to claim 2 enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that main power supply bus master condition judgment module comprises main power supply bus low frequency condition judgment unit and the main power supply bus low pressure condition judging unit that links to each other successively.
4. a kind of small power station that is applicable to according to claim 2 enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that said stand-by power supply bus rate of change judge module comprises stand-by power supply busbar voltage effective value and rate of change condition judgment unit, stand-by power supply bus frequency values and rate of change condition judgment unit thereof and the stand-by power supply busbar voltage phase angle change rate condition judgment unit that links to each other successively.
5. a kind of small power station that is applicable to according to claim 2 enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that said prepared auto restart condition judgment module comprises that the prepared auto restart charge condition judging unit and the prepared auto restart that link to each other successively do not have the elemental motion condition judgment unit of pressing nothing stream.
6. a kind of small power station that is applicable to according to claim 1 enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that; Said AC signal processing module comprises low pass filter and the A/D modular converter that links to each other successively, and said A/D modular converter is connected with said master control system.
7. a kind of small power station that is applicable to according to claim 1 enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that; Said outside is opened into signal processing module and is comprised that one is used to accept the outside and opens the optocoupler unit into signal, and said optocoupler unit is connected with said master control system.
8. a kind of small power station that is applicable to according to claim 1 enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that; Said signal output module comprises output optocoupler unit and the exit relay that links to each other successively, and said output optocoupler unit is connected with said master control system.
9. a kind of small power station that is applicable to according to claim 1 enriches the optimization means of regional inlet wire prepared auto restart logic; It is characterized in that said peripheral hardware incoming end comprises LCD access interface, the keyboard access interface that is connected with master control system respectively and prints access interface; Said communication ends comprises serial communication port, ethernet communication port and 61850 COM1s that are connected with master control system respectively.
10. a kind of small power station that is applicable to according to claim 2 enriches the optimization means of regional inlet wire prepared auto restart logic, it is characterized in that, said main control chip adopts TMS320VC33.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200866640U CN202488209U (en) | 2012-03-09 | 2012-03-09 | Optimizing device suitable for spare inlet wire automatic switch logic in small hydropower enriched areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200866640U CN202488209U (en) | 2012-03-09 | 2012-03-09 | Optimizing device suitable for spare inlet wire automatic switch logic in small hydropower enriched areas |
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| CN202488209U true CN202488209U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200866640U Expired - Lifetime CN202488209U (en) | 2012-03-09 | 2012-03-09 | Optimizing device suitable for spare inlet wire automatic switch logic in small hydropower enriched areas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618377A (en) * | 2013-12-03 | 2014-03-05 | 长园深瑞继保自动化有限公司 | Automatic bus transfer equipment system and automatic bus transfer method used for transformer substation to which small power supply is connected |
| CN107887967A (en) * | 2017-10-24 | 2018-04-06 | 国网山西省电力公司电力科学研究院 | Transformer station's in-put of spare power supply method containing wind power integration in main power supply |
| CN110333410A (en) * | 2019-07-18 | 2019-10-15 | 中国能源建设集团广东火电工程有限公司 | A kind of prepared auto restart test device |
-
2012
- 2012-03-09 CN CN2012200866640U patent/CN202488209U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618377A (en) * | 2013-12-03 | 2014-03-05 | 长园深瑞继保自动化有限公司 | Automatic bus transfer equipment system and automatic bus transfer method used for transformer substation to which small power supply is connected |
| CN103618377B (en) * | 2013-12-03 | 2015-10-14 | 长园深瑞继保自动化有限公司 | For being connected to backup auto-activating device system and the spare power automatic switching method of small power supply |
| CN107887967A (en) * | 2017-10-24 | 2018-04-06 | 国网山西省电力公司电力科学研究院 | Transformer station's in-put of spare power supply method containing wind power integration in main power supply |
| CN110333410A (en) * | 2019-07-18 | 2019-10-15 | 中国能源建设集团广东火电工程有限公司 | A kind of prepared auto restart test device |
| CN110333410B (en) * | 2019-07-18 | 2024-04-16 | 中国能源建设集团广东火电工程有限公司 | Spare power automatic switching testing device |
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| Date | Code | Title | Description |
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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: 20121010 |