CN106786486A - A kind of mixed power supply system and its method for oil pumper - Google Patents
A kind of mixed power supply system and its method for oil pumper Download PDFInfo
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- CN106786486A CN106786486A CN201611199296.XA CN201611199296A CN106786486A CN 106786486 A CN106786486 A CN 106786486A CN 201611199296 A CN201611199296 A CN 201611199296A CN 106786486 A CN106786486 A CN 106786486A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000005611 electricity Effects 0.000 claims abstract description 30
- 238000004146 energy storage Methods 0.000 claims abstract description 28
- 230000002457 bidirectional effect Effects 0.000 claims description 25
- 238000005086 pumping Methods 0.000 claims description 12
- 238000010248 power generation Methods 0.000 claims description 11
- 230000008450 motivation Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000003860 storage Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 241001023788 Cyttus traversi Species 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/12—Parallel operation of dc generators with converters, e.g. with mercury-arc rectifier
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/14—Balancing the load in a network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- Engineering & Computer Science (AREA)
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Abstract
The present invention relates to intelligent power grid technology field, more particularly to a kind of mixed power supply system and its method for oil pumper, wherein, mixed power supply system for oil pumper includes motor of oil extractor and dc bus, the motor of oil extractor is connected by electricity consumption side two-way exchange/DC transformer with the dc bus, and the dc bus is connected by grid side two-way exchange/DC transformer with AC network；The dc bus is also associated with energy-storage system, for storing the electric energy on the dc bus or discharging electric energy to the dc bus.The invention provides mixed power supply system and its method for oil pumper, the problem that oil pumper can be overcome higher on the instantaneous electrical energy demands of power network in power supply process is run, serious on the influence of the power network quality of power supply, and convert mechanical energy into electric energy during motor of oil extractor slide block down, and feed-in dc bus grid side, reduce energy consumption and improve energy utilization rate, reduce CO2 emissions.
Description
Technical field
The present invention relates to intelligent power grid technology field, more particularly to a kind of mixed power supply system and its side for oil pumper
Method.
Background technology
In recent years, the most of oil fields of China have subsequently entered the middle and later periods of exploitation, and blowing ability, base are gradually lost in oil field
Machine is transferred in sheet from blowing to adopt, Exploitation Depth and difficulty are growing day by day.Although taking multiple technologies measure to oil production equipment,
But mechanical oil recovery equipment still occupies leading position.According to statistics, the quantity of the current mechanical oil well of China accounts for the 90% of oil well sum
More than.
With the exploitation in oil field, the input amount of oil pumper increasingly increases.The subject matter of conventional pumping unit is big energy consumption, effect
Rate is low.China oil field conventional type beam pumping unit system it is less efficient, only 16%~23%, it is advanced area extremely
The present, the conventional type Analysis of Oil Well System Efficiency in the U.S. was higher, but is also only 46% also less than 30%.Therefore, development efficiently, energy-conservation,
Reliability oil pumper high is the task of top priority of Petroleum Machinery Industry industry, is also the target that manufacturer is pursued all the time.From
From 1999, China's rod-pumped well recovers the oil average annual power consumption total amount more than 100,000,000 degree of electricity, and average annual electric cost expenditure exceeds 4,000,000,000 yuan, if
Efficiency can be made to improve 15%, will at least save 600,000,000 yuan of electricity consumption expenditures.Energy consumption, the improve production efficiency of rod-pumped well are reduced, it is right
Energy saving, environment sustainable development, alleviation oil field shortage of electric power, have great importance.
Beam pumping unit is one of oil pumper type that oil field is currently mainly used.During work, oil pumper is by commonly handing over
Stream asynchronous motor is directly dragged.Its crank band drives sucker rod with balance, drives downhole pump to fix the cycle
Pump, the oil of underground is sent to ground.
In a jig frequency, with the rise/fall of sucker rod, and motor is set to be operated in electronic/generating state.Rose
Journey motor is from power network energy absorption electric operation；The load characteristic of decline process motor is loaded for potential, in addition DH negative pressure etc.
Motor is in generating state, mechanical energy is converted into electric energy feedback to power network.
Above oil pumping process has the following disadvantages：When sliding block is lifted, by bar living, during oil production machine bar sent into well, band
A large amount of electric energy losses are carried out, the instantaneous electrical energy demands to power network are higher；When sliding block declines, oil recovery bar proposes band oil to well head,
During declining due to sliding block, load mitigates, and the energy that motor run is produced cannot be supported attraction, will certainly find energy
The channel of consumption, causes motor to enter regenerative power generation state, and excess energy is fed back into power network, and punching is produced to whole power network
Hit, while the electric energy harmonic wave of feedback is also uncontrollable.
Above-mentioned deficiency will have a strong impact on grid supply quality, reduce power factor, increase mains by harmonics；Meanwhile, frequently
Impacting with high pressure can damage motor major loop side, cause production efficiency reduction, maintenance increase, pole is unfavorable for pumping unit
It is energy-saving, cause larger economic loss to enterprise.
The content of the invention
(1) technical problem to be solved
The present invention provides a kind of mixed power supply system and its method for oil pumper, and oil pumper can be overcome to be supplied in operation
Problem higher on the instantaneous electrical energy demands of power network in electric process, serious on the influence of the power network quality of power supply, and it is electromechanical in oil pumping
Electric energy, and feed-in dc bus grid side are converted mechanical energy into during motivation slide block down, energy consumption is reduced and is improved energy profit
With rate, CO2 emissions are reduced.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of mixed power supply system for oil pumper, including oil pumping
Electric motor and dc bus, the motor of oil extractor are female with the direct current by electricity consumption side two-way exchange/DC transformer
Line is connected, and the dc bus is connected by grid side two-way exchange/DC transformer with AC network；The dc bus is also
Energy-storage system is connected with, for storing the electric energy on the dc bus or discharging electric energy to the dc bus.
Wherein, the energy-storage system is battery system.
Wherein, the battery system includes the bidirectional, dc/DC conversion of batteries and the connection batteries
Device, the bidirectional, dc/DC transformer connects the dc bus.
Wherein, the bidirectional, dc/DC transformer uses half-bridge topology.
Wherein, the energy-storage system is super capacitor system or retaining energy-storage system.
Wherein, the electricity consumption side two-way exchange/DC transformer and grid side two-way exchange/DC transformer by
Three phase full bridge circuit is constituted.
The present invention also provides a kind of hybrid power supply method for oil pumper, make use of the above-mentioned mixing for oil pumper
Electric power system, the hybrid power supply method includes the use electric process and power generation process of the motor of oil extractor：
It is with electric process：Open the AC-DC pattern of the grid side two-way exchange/DC transformer, the exchange
Power network by the grid side two-way exchange/DC transformer to described DC bus powered, at the same time, the energy-storage system
Also to described DC bus powered；
Open the DC-AC pattern of the electricity consumption side two-way exchange/DC transformer, the motor of oil extractor is from institute
State dc bus and obtain electric energy；
Power generation process is：The AC-DC pattern of the electricity consumption side two-way exchange/DC transformer, the oil pumping is electromechanical
Motivation is by the electricity consumption side two-way exchange/DC transformer to described DC bus powered；
Open the DC-AC pattern of the grid side two-way exchange/DC transformer, the electric energy on the dc bus
The AC network is fed back to, meanwhile, the energy-storage system stores the unnecessary electric energy on the dc bus.
Wherein, the energy-storage system is battery system.
Wherein, the battery system includes the bidirectional, dc/DC conversion of batteries and the connection batteries
Device, the bidirectional, dc/DC transformer connects the dc bus.
Wherein, during the electricity consumption, the batteries are by the bidirectional, dc/DC transformer to the direct current
Bussed supply；
In the power generation process, it is female that the batteries store the direct current by the bidirectional, dc/DC transformer
The electric energy of line.
(3) beneficial effect
The present invention provide a kind of mixed power supply system and its method for oil pumper, compared to prior art have with
Lower feature：
1st, provided by the present invention for the mixed power supply system of oil pumper, using dc bus as motor of oil extractor with
The buffering link of electric energy between AC network, when motor of oil extractor normal electricity consumption, energy-storage system and AC network are taken out simultaneously
Oil machine provides electric energy；When oil pumper in lifting process as generator when, energy-storage system as alleviate power network impact unit, deposit
Storing up electricity energy.Therefore, the mixed power supply system can overcome higher on the instantaneous electrical energy demands of power network, serious on quality of power supply influence
Problem, in motor of oil extractor normal work absorb motor feedback electric energy, save energy consumption, reduction power network is rushed
Hit.
2nd, provided by the present invention for the mixed power supply system of oil pumper, by bidirectional, dc/DC transformer by direct current
On bus in power storage to batteries, or in the electrical energy transportation in batteries to dc bus, will be somebody's turn to do by two-way straight
The battery system of stream/DC transformer and batteries composition possesses the work that enough responds coordinate motor of oil extractor
Carry out charging and discharging control.
Brief description of the drawings
Fig. 1 is the schematic diagram of the mixed power supply system provided by the present invention for oil pumper；
Fig. 2 is the concrete composition schematic diagram of the mixed power supply system provided by the present invention for oil pumper；
In figure, 1：Motor of oil extractor；2：Electricity consumption side two-way exchange/DC transformer；3：Dc bus；4：Battery system
System；401：Batteries；402：Bidirectional, dc/DC transformer；5：Grid side two-way exchange/DC transformer；6：Alternating current
Net.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give better embodiment of the invention.The preferred embodiments of the present invention are these are only, not thereby limits of the invention special
Sharp scope, equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made, directly or
Connect and be used in other related technical fields, be included within the scope of the present invention.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the implementation method of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all of combination of related Listed Items.
The present invention provides a kind of mixed power supply system and its method for oil pumper, and oil pumper can be overcome to be supplied in operation
Problem higher on the instantaneous electrical energy demands of power network in electric process, serious on the influence of the power network quality of power supply, and it is electromechanical in oil pumping
Electric energy, and feed-in dc bus grid side are converted mechanical energy into during motivation slide block down, energy consumption is reduced and is improved energy profit
With rate, CO2 emissions are reduced.
As shown in Figure 1, 2, a kind of mixed power supply system for oil pumper, including oil pumper are provided in the embodiment of the present invention
Motor 1 and dc bus 3, motor of oil extractor 1 are connected by electricity consumption side two-way exchange/DC transformer 2 with dc bus 3
Connect, dc bus 3 is connected by grid side two-way exchange/DC transformer 5 with AC network 6；Dc bus 3 is also associated with storage
Can system 4, electric energy or discharge electric energy to dc bus 3 that the energy-storage system 4 is used to store on dc bus 3.The present invention is carried
The mixed power supply system for oil pumper for supplying, dc bus 3 as between motor of oil extractor 1 and AC network 6 electric energy it is slow
Link is rushed, by electricity consumption side two-way exchange/DC transformer 2 and grid side two-way exchange/DC transformer 3, it is possible to achieve take out
Oil machine motor 1 is interacted with the electric energy of dc bus 3 and dc bus 3 is interacted with the electric energy of AC network 6.
Provided by the present invention for the mixed power supply system of oil pumper, using dc bus 3 as motor of oil extractor 1 with
The buffering link of 6 electric energy of AC network, when 1 normal electricity consumption of motor of oil extractor, energy-storage system 4 and AC network 6 can
Powered to motor of oil extractor 1 simultaneously, it is to avoid the problem higher to the instantaneous power requirements of AC network 6；When oil pumper is electronic
During 1 reverse energy regenerative of machine, energy-storage system 4 can store electric energy unnecessary on dc bus 3, it is to avoid to the mistake favourable opposition of AC network 6
Hit, and can in time store unnecessary electric energy, reducing energy consumption saves energy.Therefore, the mixed power supply system can overcome oil pumping
The requirement higher to the instantaneous electrical energy demands of AC network 6 of electric motor 1, and in 1 normal work of motor of oil extractor, pass through
Energy-storage system 4 stores unnecessary electric energy, on the one hand can reduce impact of the motor of oil extractor 1 to AC network 6, on the other hand also
Energy-conservation can be realized with reducing energy consumption.
The mixed power supply system can alleviate the impact to AC network when oil pumper works, and effectively provide power consumption efficiency,
Realize supplementing the improvement of electric power system and electric energy by the use of the energy-storage system as clean energy resource, the electric power system ensure that
The power supply quality and power factor of power network, stabilization mains by harmonics, while, it is to avoid frequently impacting with high pressure damage oil pumper is electronic
The major loop side of machine, it is ensured that production efficiency, reduces the power consumption of pumping unit, it is to avoid cause larger economic damage to enterprise
Lose.
In the present embodiment, in order to power and storing electric energy, energy-storage system 4 is battery system.Due to the jig frequency of oil pumper
It is generally per minute 6-9 times, therefore its energy fluctuation cycle is second level, the battery system that this mixed power supply system is used has
Enough responds charge and discharge control.It is understood that in order to realize to the release electric energy of dc bus 3 and
Storage electric energy, energy-storage system can also be the system with power storage such as super capacitor system or retaining energy-storage system.
In the present embodiment, battery system includes the bidirectional, dc/DC conversion of batteries 401 and connection batteries
Device 402, the connection rectilinear generatrix 3 of bidirectional, dc/DC transformer 402.
Provided by the present invention for the mixed power supply system of oil pumper, by bidirectional, dc/DC transformer 402 by direct current
In unnecessary power storage to batteries 401 on bus 3, or by the electrical energy transportation in batteries 401 to dc bus 3
In, the battery system that should be made up of bidirectional, dc/DC transformer 402 and batteries 401 possesses enough responds
Coordinating the work of motor of oil extractor carries out charging and discharging control.
In the present embodiment, bidirectional, dc/DC transformer 402 uses half-bridge topology.The product materials of the structure compared with
Few, simple structure can easily control the cost, beneficial to the use in the electric power system.
In the present embodiment, as shown in Fig. 2 electricity consumption side two-way exchange/DC transformer 2 and grid side two-way exchange/direct current
Current transformer 5 is constituted by three phase full bridge circuit.It is understood that two-way exchange/DC transformer is using conventional three phase full bridge
Circuit, realize direct current to the conversion or alternating current of alternating current to galvanic conversion, three phase full bridge circuit ensure that electricity
Normally after the startup on road or discontinuous current.
The present invention also provides a kind of hybrid power supply method for oil pumper, make use of the above-mentioned mixing for oil pumper
Electric power system, hybrid power supply method includes the use electric process and power generation process of motor of oil extractor 1：
Wherein, it is with electric process：
The AC-DC pattern of grid side two-way exchange/DC transformer 5 is opened, AC network 6 is two-way by grid side
Ac/dc current transformer 5 is powered to the dc bus 3, and at the same time, energy-storage system 4 is also powered to dc bus 3；
Open the DC-AC pattern of electricity consumption side two-way exchange/DC transformer 2, motor of oil extractor 1 is from dc bus
3 obtain electric energy；
Wherein, power generation process is：The AC-DC pattern of electricity consumption side two-way exchange/DC transformer 2, oil pumper is electronic
Machine 1 is powered by electricity consumption side two-way exchange/DC transformer 2 to dc bus 3；
The DC-AC pattern of grid side two-way exchange/DC transformer 5 is opened, the electric energy on dc bus 3 feeds back to
AC network 6, meanwhile, the unnecessary electric energy on the storage dc bus 3 of energy-storage system 4.
In the present embodiment, energy-storage system 4 is battery system.Battery system includes batteries 401 and connection electric power storage
Bidirectional, dc/the DC transformer 402 of pond group 401, the connection dc bus 3 of bidirectional, dc/DC transformer 402.Therefore, taking out
During the electricity consumption of oil machine motor 1, batteries 401 are powered by bidirectional, dc/DC transformer 402 to dc bus 3；
In power generation process, 401 groups of battery stores the electric energy of dc bus 3 by bidirectional, dc/DC transformer 402.
It is understood that motor of oil extractor 1 is the horse head of oil pumper and is promoted to by bottom dead centre with electric process
Dead point process, motor of oil extractor 1 obtains substantial amounts of by electricity consumption side two-way exchange/DC transformer 2 from dc bus 3
Energy；And the electric energy of dc bus 3 is by transmitted by battery system 4 and grid side two-way exchange/DC transformer 5
The electric energy of AC network 6 is provided jointly, is provided separately rather than by AC network 6, so can reduce motor of oil extractor 1 just
Often impact during work to AC network 6；
The horse head that the power generation process of motor of oil extractor 1 is oil pumper declines process, due to the gravitional force band of horse head
Dynamic motor of oil extractor 1 generates electricity, and motor of oil extractor 1 is fast to dc bus 3 by electricity consumption side two-way exchange/DC transformer 2
Speed is filled with electric energy, now, battery system 4 receive dc bus 3 on electric energy, so as to realize energy-conservation, at the same can reduce because
Electric energy is fed back into the impact that power network is caused to AC network 6.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of mixed power supply system for oil pumper, it is characterised in that described including motor of oil extractor and dc bus
Motor of oil extractor is connected by electricity consumption side two-way exchange/DC transformer with the dc bus, and the dc bus passes through
Grid side two-way exchange/DC transformer is connected with AC network；The dc bus is also associated with energy-storage system, for storing
Electric energy on the dc bus discharges electric energy to the dc bus.
2. the mixed power supply system for oil pumper according to claim 1, it is characterised in that the energy-storage system is to store
Battery system.
3. the mixed power supply system for oil pumper according to claim 2, it is characterised in that the battery system bag
Include the bidirectional, dc/DC transformer of batteries and the connection batteries, the bidirectional, dc/DC transformer connection
The dc bus.
4. the mixed power supply system for oil pumper according to claim 3, it is characterised in that the bidirectional, dc/straight
Stream current transformer uses half-bridge topology.
5. the mixed power supply system for oil pumper according to claim 1, it is characterised in that the energy-storage system is super
Level capacitor system or retaining energy-storage system.
6. the mixed power supply system for oil pumper according to claim 1, it is characterised in that the two-way friendship in electricity consumption side
Stream/DC transformer and grid side two-way exchange/DC transformer are constituted by three phase full bridge circuit.
7. a kind of hybrid power supply method for oil pumper, it is characterised in that utilize described in claim 1 for oil pumper
Mixed power supply system, the hybrid power supply method includes the use electric process and power generation process of the motor of oil extractor：
Wherein, it is with electric process：
The AC-DC pattern of the grid side two-way exchange/DC transformer is opened, the AC network passes through the power network
To described DC bus powered, at the same time, the energy-storage system is also to the dc bus for side two-way exchange/DC transformer
Power supply；
Open the DC-AC pattern of the electricity consumption side two-way exchange/DC transformer, the motor of oil extractor is from described straight
Stream bus obtains electric energy；
Wherein, power generation process is：The AC-DC pattern of the electricity consumption side two-way exchange/DC transformer, the oil pumping is electromechanical
Motivation is by the electricity consumption side two-way exchange/DC transformer to described DC bus powered；
The DC-AC pattern of the grid side two-way exchange/DC transformer is opened, the electric energy feedback on the dc bus
To the AC network, meanwhile, the energy-storage system stores the unnecessary electric energy on the dc bus.
8. the hybrid power supply method for oil pumper according to claim 7, it is characterised in that the energy-storage system is to store
Battery system.
9. the hybrid power supply method for oil pumper according to claim 8, it is characterised in that the battery system bag
Include the bidirectional, dc/DC transformer of batteries and the connection batteries, the bidirectional, dc/DC transformer connection
The dc bus.
10. the hybrid power supply method for oil pumper according to claim 9, it is characterised in that during the electricity consumption,
The batteries are by the bidirectional, dc/DC transformer to described DC bus powered；
In the power generation process, the batteries store the dc bus by the bidirectional, dc/DC transformer
Electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611199296.XA CN106786486A (en) | 2016-12-22 | 2016-12-22 | A kind of mixed power supply system and its method for oil pumper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611199296.XA CN106786486A (en) | 2016-12-22 | 2016-12-22 | A kind of mixed power supply system and its method for oil pumper |
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| CN201611199296.XA Pending CN106786486A (en) | 2016-12-22 | 2016-12-22 | A kind of mixed power supply system and its method for oil pumper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665511A (en) * | 2022-05-27 | 2022-06-24 | 西安海联石化科技有限公司 | Electric quantity energy-saving control method for photoelectric comprehensive energy direct-current power supply system of pumping unit well group |
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6265786B1 (en) * | 1998-01-05 | 2001-07-24 | Capstone Turbine Corporation | Turbogenerator power control system |
| CN200983573Y (en) * | 2006-12-12 | 2007-11-28 | 河南中油建设工程有限公司 | Efficient DC share energy-saving and theft-prevention control system of oil extraction well station |
| CN102651602A (en) * | 2012-04-24 | 2012-08-29 | 中国石油大学(北京) | Energy saving control method and device for energy storage batteries of asynchronous motor of beam-pumping unit |
| CN105811518A (en) * | 2016-05-05 | 2016-07-27 | 湖南三石油科技有限公司 | Lithium titanate battery energy storage and power supply system for workover rig and control method of lithium titanate battery energy storage and power supply system for workover rig |
| CN205489522U (en) * | 2015-11-19 | 2016-08-17 | 中国石油化工股份有限公司 | Beam -pumping unit direct current distribution system |
| CN206559042U (en) * | 2016-12-22 | 2017-10-13 | 北京群菱能源科技有限公司 | A kind of mixed power supply system for oil pumper |
-
2016
- 2016-12-22 CN CN201611199296.XA patent/CN106786486A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6265786B1 (en) * | 1998-01-05 | 2001-07-24 | Capstone Turbine Corporation | Turbogenerator power control system |
| CN200983573Y (en) * | 2006-12-12 | 2007-11-28 | 河南中油建设工程有限公司 | Efficient DC share energy-saving and theft-prevention control system of oil extraction well station |
| CN102651602A (en) * | 2012-04-24 | 2012-08-29 | 中国石油大学(北京) | Energy saving control method and device for energy storage batteries of asynchronous motor of beam-pumping unit |
| CN205489522U (en) * | 2015-11-19 | 2016-08-17 | 中国石油化工股份有限公司 | Beam -pumping unit direct current distribution system |
| CN105811518A (en) * | 2016-05-05 | 2016-07-27 | 湖南三石油科技有限公司 | Lithium titanate battery energy storage and power supply system for workover rig and control method of lithium titanate battery energy storage and power supply system for workover rig |
| CN206559042U (en) * | 2016-12-22 | 2017-10-13 | 北京群菱能源科技有限公司 | A kind of mixed power supply system for oil pumper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665511A (en) * | 2022-05-27 | 2022-06-24 | 西安海联石化科技有限公司 | Electric quantity energy-saving control method for photoelectric comprehensive energy direct-current power supply system of pumping unit well group |
| 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: 20170531 |