CN102340167A - Oil field oil pumping unit distributed grid connected type wind power generation complementary power supply system - Google Patents
Oil field oil pumping unit distributed grid connected type wind power generation complementary power supply system Download PDFInfo
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- CN102340167A CN102340167A CN2011102658214A CN201110265821A CN102340167A CN 102340167 A CN102340167 A CN 102340167A CN 2011102658214 A CN2011102658214 A CN 2011102658214A CN 201110265821 A CN201110265821 A CN 201110265821A CN 102340167 A CN102340167 A CN 102340167A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention provides an oil field oil pumping unit distributed grid connected type wind power generation complementary power supply system so as to reduce the power supply volume of the power grid and reduce the transmission loss of the power grid. The system comprises a wind power generating set (1), a conversion device (2), an electric energy metering device (3), a step-up transformer (4), a wind power generation control and protection system (5), a step-down transformer (6) and an oil pumping unit (7), and realizes synchronous power supply from the power grid and wind power to the load of the oil pumping unit. If the wind power is sufficient, the wind power not only can meet the load need, but also can feed electric energy back to the power grid; and in the case of lack of wind power, the power grid supplements the deficient electric energy so as to maximize utilization of wind energy and ensure that the oil pumping unit is always in a stable working state. In addition, the electric energy metering device (3) is arranged on the wind power generation side, and is used for performing accumulated metering on the wind power generation capacity so as to evaluate the energy saving effect of the wind power generation system. The entire system mainly utilizes wind energy, is convenient to use, and has a good energy saving effect.
Description
Technical field
The present invention relates to a kind of oil-field oil pumper distribution parallel net type wind power generation and electrical network complementary power supply system; Relate to a kind of wind power generation plant and electrical network specifically and be combined into the oil pumper power supply; Thereby reduce the mains supply amount, and reduce the environment protecting and power-saving system of electrical network loss.Belong to generation of electricity by new energy and industrial energy saving field.
Technical background
In field produces operation power consumption; The power consumption of pumping-unit motor accounts for significant proportion; Oilfield enterprise, manufacturer and those skilled in the relevant art have done a large amount of work for many years; How to reduce unit oil recovery power consumption and become the years of researches focus, and proposed a lot of effective methods, the various oil field energy-conserving product occurs.But most central principle that adopt are to reduce energy loss, promptly consider solution from the angle of " throttling ", and the effect of " throttling " are very limited after all.
Therefore, " throttling " is not the best approach that solves the oil pumper energy consumption problem, adopts the mode of " increasing income ", promptly develops regenerative resource and comes to be only optimal path for oil pumper provides electric energy.According to the technical merit and the application cost of current regenerative resource exploitation, adopting wind power generation is exactly preferred option.
Wind energy resources is a kind of pure green resource, is one of the most ancient on the earth, most important energy.Its huge reserves, renewable, wide, free of contamination characteristic that distributes in the world makes wind power generation become the important directions of world's regenerative resource development.Wind-powered electricity generation is one of minimum reduction of greenhouse gas discharge technology of cost, and there is the demand of huge and sustainable growth the world market for the such zero-discharge technology of wind-powered electricity generation.General oil field is seen on the geographical position, all is in area, wilderness, Plain, and is scarcely populated, and wind energy resources is abundant, and this enforcement to wind power system is very favourable.
Wind power technology is applied to have vast potential for future development in the oil-field oil pumper driving field; Wind power generation is a kind of green energy resource; Not only reduce consumption to the electrical network electric energy; Reduce the discharging of carbon dioxide etc., can also reduce circuit pressure drop and distribution line line loss, reached the effect of further energy-saving and emission-reduction.At present, wind generating technology has tentative application in the oil field, but owing to the method that adopts is different, existing needs storage battery to cushion, be difficult to mate with the oil pumper pulsating load, adopt a plurality of inverters to cause problems such as cost high reliability difference.
Through analysis to wind power generation and oil field present situation; The present invention proposes the scheme of in the oil field distribution network system, using the parallel net type wind turbine generator; Overcome above-mentioned various shortcomings, both can save a large amount of spaces, can reduce maintenance cost again; Simple in structure, saved lot of manpower and material resources.And, reduce the electrical network power consumption, play the effect of " increasing income "; Reduce the distribution wire road network and decrease, the effect of " throttling " is also arranged; Simultaneously, the minimizing of electrical network conveying capacity also can reduce line drop, has improved the quality of power supply of electrical network, and has solved problems such as oil field motor starting difficulty to a certain extent.
Summary of the invention
In order to realize oil field oil pumping system better energy-saving effect; And to having the deficiency that the oil field wind power system is used now; The present invention provides a kind of novel wind-powered electricity generation that is used for the oil pumper distribution line-net electric complementary power supply system; The electric energy that wind-driven generator is produced is transformed into industrial-frequency alternating current through convertor assembly, through step-up transformer boosts after or the access oil field distribution network that directly is incorporated into the power networks, is that pumping unit system is supplied power jointly.When the wind energy of catching when wind-driven generator can satisfy electric energy for the oil pumper power supply and requires, not only do not need system's electrical network that electric energy is provided, the wind-powered electricity generation of redundance is feedback grid automatically also; When the wind energy deficiency of catching when wind-driven generator was thought whole oil pumpers power supply, system's electrical network only need be supplied load vacancy part electric energy automatically, thereby reaches best energy-saving effect.Simultaneously, install electric power meter separately, be convenient to carry out the assessment and the statistics of wind electric power generation energy-saving effect in the wind power system side.
The technical scheme that the present invention adopted is following:
A kind of oil-field oil pumper distribution parallel net type wind power generation complementary power supply system; It is characterized in that; System is made up of with protection system (5), step-down transformer (6), oil pumper (7) wind turbine generator (1), convertor assembly (2), electric power meter (3), step-up transformer (4), wind power generation control; The electric energy that wind turbine generator (1) is sent is transformed to power frequency by convertor assembly (2); Connect step-up transformer (4) through electric power meter (3), be transformed to the same electric pressure of electrical network after insert bus, conflux with the system mains supply; And the oil pumper distribution line is each oil pumper (7) power supply through each step-down transformer (6) after bus is drawn.
In the described oil-field oil pumper distribution parallel net type wind power generation complementary power supply system; Wind power generation circuit, system's power network line, oil pumper distribution line conflux at bus; If wind-powered electricity generation is sufficient, except that satisfying each oil pumper (7) application, can also be from trend system electrical network feedback electric energy; If wind energy is not enough, then system's electrical network is supplied the electric energy that lacks from trend oil pumper distribution line, thereby reaches the maximum using of wind energy; If wind power system is out of service, then system's electrical network is born whole electric.Because the uncertainty of wind energy and the fluctuation of load, wind-powered electricity generation also is among the fluctuation with the ratio of net electricity always, and design of the present invention, makes that switching and adjustment between wind-powered electricity generation-net electricity all is smoothly and automatic, and the work of oil pumper is had no influence.
Described oil-field oil pumper distribution parallel net type wind power generation complementary power supply system at wind power generation side installing electric power meter (3), carries out cummulative metering to the wind power generation amount, with assessment wind generator system energy-saving effect.Especially adopting the present invention to carry out Energy Management Contract when implementing, the energy-conservation electric weight of definite wind power system that can be very clear and definite, the similar problem when having avoided most energy-conserving products to implement.
Described oil-field oil pumper distribution parallel net type wind power generation complementary power supply system, wind generator system can be connected on the bus rod of circuit head end, also can be connected to certain optional position on the oil pumper distribution line, confirms according to system load flow calculating and demands of different.Adopt a typhoon power generator generally speaking, confirm the capacity of wind-powered electricity generation unit according to the load on the oil pumper distribution line; Also can calculate with economy as required, adopt the configuration of many typhoons power generator, from one or more accesses of circuit.
Described oil-field oil pumper distribution parallel net type wind power generation complementary power supply system; Wind power generation control has defencive function with protection system (5) to wind generator system; In case break down, cooperating between this protection and the main line protection, the safe and reliable work of safeguards system; And after the protection tripping operation, stop the operation of wind turbine generator (1) automatically.
Described oil-field oil pumper distribution parallel net type wind power generation complementary power supply system; Wind generator system needs voltage to equate when inserting electrical network; Can adopt step-up transformer (4), also can adopt convertor assembly (2) to boost to system's line voltage, directly be connected with the system electrical network.
Described oil-field oil pumper distribution parallel net type wind power generation complementary power supply system, wind power generation control has the function of wind turbine generator monitoring running state, electric network state monitoring with protection system (5), and can be incorporated into the power networks automatically and detect and simultaneous interconnecting control.
Described oil-field oil pumper distribution parallel net type wind power generation complementary power supply system; Wind power generation control can also monitor and control with protection system (5) convertor assembly (2), electric power meter (3), step-up transformer (4); And possess remote communications capability, the various parameters of scene operation are uploaded in real time.The Surveillance center that sets up as if cooperating with it then can carry out real-time supervision and control to the operation conditions at scene.
Compared with prior art, the invention has the beneficial effects as follows:
The windy environment facies of the characteristics of wind power generation and oil field are combined, adopt wind-powered electricity generation and net electricity, realize that the electric energy that preferentially wind power generation is produced is applied on the oil pumper jointly for oil pumper provides energy, can guarantee oil pumper steadily, operate as normal reliably.Replacing conventional energy resource with wind-powered electricity generation is the oil pumper power supply; Under the prerequisite that guarantees the oil pumper operate as normal; Can use wind-powered electricity generation to come as oil pumper energy to be provided to greatest extent, the automatic switchover of realization oil pumper powering mode that can be reliable and stable realizes that power supply steadily switches timely.Ability with treatment system fault when breaking down in system, carried out basic judgement and carry out corresponding processing in time according to different failure causes the reason that causes fault, and the hardware of whole system is not damaged.
Whole process is main to utilize wind power generation basically, and the net electricity is auxilliary, uses green energy resource to greatest extent, has characteristics easy to use, good energy-conserving effect.And wind energy all is fairly obvious as the regenerative resource of cleaning for the saving of conventional energy resource and the social environment benefit that brings.
Description of drawings
Fig. 1 is a composition structure principle chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further:
As shown in Figure 1; Oil-field oil pumper distribution parallel net type wind power generation complementary power supply system of the present invention comprises wind turbine generator (1), convertor assembly (2), electric power meter (3), step-up transformer (4), wind power generation control and protection system (5), step-down transformer (6), oil pumper (7) composition.
The source of electric energy comprises electric network source S1 of system and wind turbine generator power supply S2, is the power supply of oil pumper distribution line jointly.Wherein, the electric network source S1 of system is generally electric substation, and wind turbine generator power supply S2 then is made up of through convertor assembly (2), electric power meter (3), step-up transformer (4) wind turbine generator (1), confluxes at bus with the electric network source S1 of system.The electric pressure of oil pumper distribution line is generally 6600V or 10000V, draws through substation busbars, and be each oil pumper (7) power supply through each step-down transformer (6).
Exchanging the place of being incorporated into the power networks at wind-powered electricity generation has electric power meter (3), and the generating electric weight of wind power system is carried out cummulative metering.
The protection of blower fan band itself, in a single day circuit breaks down, cooperating between this protection and the main line protection.
Blower fan and the system detection link that is incorporated into the power networks can realize the auto-parallel operation with system's electrical network.
When wind power system breaks down, wind power generation control is tentatively judged the source of trouble with protection system (5) and is operated accordingly.Also born the monitoring and the controlled function of each link of wind generator system simultaneously, and the data transmission interface of standard is provided,, directly carried out the on-line monitoring and the control of on-the-spot operation in conjunction with wired or wireless-transmission network.
The above is merely preferable embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. oil-field oil pumper distribution parallel net type wind power generation complementary power supply system; It is characterized in that; System is made up of with protection system (5), step-down transformer (6), oil pumper (7) wind turbine generator (1), convertor assembly (2), electric power meter (3), step-up transformer (4), wind power generation control; The electric energy that wind turbine generator (1) is sent is transformed to power frequency by convertor assembly (2); Connect step-up transformer (4) through electric power meter (3), be transformed to the same electric pressure of electrical network after insert bus, conflux with the system mains supply; And the oil pumper distribution line is each oil pumper (7) power supply through each step-down transformer (6) after bus is drawn.
2. oil-field oil pumper distribution parallel net type wind power generation complementary power supply system according to claim 1 is characterized in that wind power generation circuit, system's power network line, oil pumper distribution line conflux at bus; If wind-powered electricity generation is sufficient, except that satisfying each oil pumper (7) application, can also be from trend system electrical network feedback electric energy; If wind energy is not enough; Then system's electrical network is supplied the electric energy that lacks from trend oil pumper distribution line, thereby reaches the maximum using of wind energy, and does not influence the work of oil pumper.
3. oil-field oil pumper distribution parallel net type wind power generation complementary power supply system according to claim 1; It is characterized in that; At wind power generation side installing electric power meter (3), the wind power generation amount is carried out cummulative metering, with assessment wind generator system energy-saving effect.
4. oil-field oil pumper distribution parallel net type wind power generation complementary power supply system according to claim 1; It is characterized in that; Wind generator system can be connected on the bus rod of circuit head end; Also can be connected to certain optional position on the oil pumper distribution line, confirm according to system load flow calculating and demands of different.
5. oil-field oil pumper distribution parallel net type wind power generation complementary power supply system according to claim 1; It is characterized in that wind power generation control has defencive function with protection system (5) to wind generator system, in case break down; Cooperating between this protection and the main line protection; The safe and reliable work of safeguards system, and after the protection tripping operation, stop the operation of wind turbine generator (1) automatically.
6. oil-field oil pumper distribution parallel net type wind power generation complementary power supply system according to claim 1; It is characterized in that; Wind generator system needs voltage to equate when inserting electrical network; Can adopt step-up transformer (4), also can adopt convertor assembly (2) to boost to system's line voltage, directly be connected with the system electrical network.
7. oil-field oil pumper distribution parallel net type wind power generation complementary power supply system according to claim 1; It is characterized in that; Wind power generation control has the function of wind turbine generator monitoring running state, electric network state monitoring with protection system (5), and can be incorporated into the power networks automatically and detect and simultaneous interconnecting control.
8. oil-field oil pumper distribution parallel net type wind power generation complementary power supply system according to claim 1; It is characterized in that; Wind power generation control can monitor and control with protection system (5) convertor assembly (2), electric power meter (3), step-up transformer (4); And possess communication interface and remote communications capability, the various parameters of scene operation are uploaded in real time.
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Cited By (9)
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CN102684224A (en) * | 2012-05-25 | 2012-09-19 | 浙江大学 | Unit combination method for resolving and considering wind power volatility |
CN102748074A (en) * | 2012-07-07 | 2012-10-24 | 贵州盘江煤层气开发利用有限责任公司 | Power supply system with gas power generation station as emergent security power-supply point of coal mine |
CN104362669A (en) * | 2014-10-17 | 2015-02-18 | 燕山大学 | Low-voltage ride through control system and method for hydraulic wind-driven power generator set |
CN104938235A (en) * | 2015-07-07 | 2015-09-30 | 无锡市翱宇特新科技发展有限公司 | City wind-light energy complementation generation landscape flower stand |
CN105191046A (en) * | 2013-05-07 | 2015-12-23 | 乌本产权有限公司 | Method for feeding electric power into an electric power supply system |
CN106953356A (en) * | 2017-04-07 | 2017-07-14 | 南京邮电大学 | Under a kind of island mode without energy storage wind-solar-diesel complementary electric power system and method |
CN107104507A (en) * | 2017-06-09 | 2017-08-29 | 南京邮电大学 | A kind of method of supplying power to, apparatus and system for oil field |
CN107171434A (en) * | 2017-06-09 | 2017-09-15 | 南京邮电大学 | A kind of electric power system for oil field |
US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102684224A (en) * | 2012-05-25 | 2012-09-19 | 浙江大学 | Unit combination method for resolving and considering wind power volatility |
CN102684224B (en) * | 2012-05-25 | 2014-04-16 | 浙江大学 | Unit combination method for resolving and considering wind power volatility |
CN102748074A (en) * | 2012-07-07 | 2012-10-24 | 贵州盘江煤层气开发利用有限责任公司 | Power supply system with gas power generation station as emergent security power-supply point of coal mine |
CN105191046A (en) * | 2013-05-07 | 2015-12-23 | 乌本产权有限公司 | Method for feeding electric power into an electric power supply system |
US10063060B2 (en) | 2013-05-07 | 2018-08-28 | Wobben Properties Gmbh | Method for feeding electric power into an electric power supply system |
CN105191046B (en) * | 2013-05-07 | 2019-05-10 | 乌本产权有限公司 | For the method by feed electric power into power supply network |
CN104362669A (en) * | 2014-10-17 | 2015-02-18 | 燕山大学 | Low-voltage ride through control system and method for hydraulic wind-driven power generator set |
CN104938235A (en) * | 2015-07-07 | 2015-09-30 | 无锡市翱宇特新科技发展有限公司 | City wind-light energy complementation generation landscape flower stand |
CN106953356A (en) * | 2017-04-07 | 2017-07-14 | 南京邮电大学 | Under a kind of island mode without energy storage wind-solar-diesel complementary electric power system and method |
CN107104507A (en) * | 2017-06-09 | 2017-08-29 | 南京邮电大学 | A kind of method of supplying power to, apparatus and system for oil field |
CN107171434A (en) * | 2017-06-09 | 2017-09-15 | 南京邮电大学 | A kind of electric power system for oil field |
US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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Application publication date: 20120201 |