CN203456928U - Super-capacitor energy storage driving device for workover rig - Google Patents
Super-capacitor energy storage driving device for workover rig Download PDFInfo
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- CN203456928U CN203456928U CN201320315759.XU CN201320315759U CN203456928U CN 203456928 U CN203456928 U CN 203456928U CN 201320315759 U CN201320315759 U CN 201320315759U CN 203456928 U CN203456928 U CN 203456928U
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Abstract
The utility model relates to a super-capacitor energy storage driving device for a workover rig. The super-capacitor energy storage driving device for the workover rig is composed of an alternating current (AC) bus, a direct current (DC) bus, a control line, an AC/DC rectifier, a DC/AC inverter, an AC/AC frequency converter, a three-phase alternating current variable frequency motor or direct current motor, a super-capacitor module energy storage device and a controller, wherein the AC/DC rectifier, the super-capacitor module energy storage device, the DC/AC inverter and the AC/AC frequency converter are controlled by the controller respectively, the controller receives feedback signals of the AC/DC rectifier, the super-capacitor module energy storage device, the DC/AC inverter and the AC/AC frequency converter to enable the super-capacitor module energy storage device to realize charging and discharging, and then multiplication motor power is achieved, the device is made adapted to the current power supplying condition with limited capacity of an oil field well site, and rapid and high-efficiency operation requirements in lifting a large-tonnage pipe column during oil field workover are satisfied. The super-capacitor module energy storage device further has advantages of fast charging, fast discharging, high efficiency, environmental protection, long service life and low failure rate.
Description
Technical field
The utility model relates to the workover rig in drilling machinery, specifically a kind of workover rig super capacitor energy drive unit.
Background technology
Workover rig is a kind of oil-water well workover treatment equipment that oil field extensively adopts.At present, traditional workover rig power of China adopts Diesel engine, has workover treatment high energy consumption, high noisy, the high problem of high pollution etc. three.For addressing these problems, the net of domestic research and development in recent years electricity workover rig has been shown stronger superiority with low energy consumption, low noise, low pollution.But net electric workover rig power taking and be subject to the restriction of well site of oil field condition of power supply.Existing well site, oil field condition of power supply is that pumping-unit motor volume electrical power is generally no more than 60KW for oil pumper electricity consumption demand designs.And workover rig workover treatment needs power match more than 100KW, could meet the requirement of normal hoisting tubing string weight and speed, reach hoisting power and the level of traditional work machine.The electrical machinery of active force of the electric working rig of existing net has the existing condition of power supply around well site and is designed to about 50KW, and operating speed, lower than traditional work speed, affects operation timeliness; Also have more than power of motor is designed to 100KW, but can not adapt to the well site condition of power supply of most of 50KW left and right.Therefore, be necessary to carry out power back-off to netting electric working rig, utilize the power supply capacity of well site of oil field 50KW left and right, meet motor need for electricity more than 100KW.
Summary of the invention
The purpose of this utility model is in order to overcome the existing power supply capacity deficiency of well site of oil field in above-mentioned prior art, a kind of workover rig super capacitor energy drive unit that can meet the electric workover rig construction requirement of net to be provided.
The utility model is achieved through the following technical solutions:
The first scheme, the present invention is comprised of well site ac bus, AC/DC rectifier, DC bus, controller, control line, super capacitor module energy storage equipment, direct current machine.Wherein AC/DC rectifier is connected with well site power supply by ac bus, and AC/DC rectifier and direct current machine are connected in series by DC bus; Super capacitor module energy storage equipment is connected in parallel on the DC bus between AC/DC rectifier and direct current machine by DC bus; Controller is connected with AC/DC rectifier, super capacitor module energy storage equipment respectively by control line.
The power of super capacitor module energy storage equipment is 1/2nd of direct current machine power.
If the motor of workover rig is three-phase alternating current variable-frequency motor, the utility model can adopt first scheme, i.e. the present invention is comprised of AC/DC rectifier, DC/AC inverter, super capacitor module energy storage equipment, controller, three-phase alternating current variable-frequency motor and ac bus, DC bus, control line.AC/DC rectifier is connected with well site power supply by ac bus, and be connected with DC/AC inverter, super capacitor module energy storage equipment by DC bus, DC/AC inverter is connected with three-phase alternating current variable-frequency motor by ac bus, and controller is connected with AC/DC rectifier, DC/AC inverter, super capacitor module energy storage equipment respectively by control line.
The power of described super capacitor module energy storage equipment is 1/2nd of three-phase alternating current variable-frequency motor power.
The third scheme of the utility model is on the basis of first scheme, passes through AC/AC frequency converter another three-phase alternating current variable-frequency motor in parallel on the ac bus of well site power supply.
The power of described super capacitor module energy storage equipment is identical with two three-phase alternating current variable-frequency motor power.
The utility model adapts to the condition of power supply of the existing finite capacity of well site of oil field, realizes multiplication power of motor and is equipped with, and meets oil well and promotes large-tonnage tubing string job requirements rapidly and efficiently.Super capacitor module energy storage equipment relatively other energy accumulating techniques has fast charging and discharging, high-efficiency environment friendly, the advantages such as life-span length, failure rate is low.
Accompanying drawing explanation
Fig. 1 is the utility model the first scenario-frame block diagram;
Fig. 2 is the utility model first scheme structured flowchart;
Fig. 3 is the third scenario-frame block diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the first execution mode of the present utility model.The utility model is comprised of well site ac bus 1, AC/DC rectifier 2, DC bus, controller 6, control line, super capacitor module energy storage equipment 5, direct current machine 4a.Wherein AC/DC rectifier 2 is connected with well site power supply by ac bus 1, and AC/DC rectifier 2 is connected in series by DC bus 3a with direct current machine 4a; Super capacitor module energy storage equipment 5 is connected in parallel on the DC bus 3a between AC/DC rectifier 2 and direct current machine 4a by DC bus 3b; Controller 6 is connected with AC/DC rectifier 2, super capacitor module energy storage equipment 5 respectively by control line 7a, control line 7b.
The power of super capacitor module energy storage equipment 5 is 1/2nd of direct current machine 4a power, thus multiplication well site AC network electricity power supply capacity.
If the power of workover rig is three-phase alternating current variable-frequency motor, can adopt shown in Fig. 2 for the second execution mode of the present invention.Be that the present invention is comprised of ac bus, AC/DC rectifier 2, DC bus, DC/AC inverter 8, three-phase alternating current variable-frequency motor 4b, super capacitor module energy storage equipment 5, controller 6, control line.Wherein AC/DC rectifier 2 is connected with well site power supply by ac bus 1, and AC/DC rectifier 2 is connected in series successively by DC bus 3a, ac bus 1a and DC/AC inverter 8, three-phase alternating current variable-frequency motor 4b; Super capacitor module energy storage equipment 5 is connected in parallel on the DC bus 3a between AC/DC rectifier 2 and DC/AC inverter 8 by DC bus 3b; Controller 6 is connected with AC/DC rectifier 2, super capacitor module energy storage equipment 5, DC/AC inverter 8 respectively by control line 7a, control line 7b, control line 7c.
The power of described super capacitor module energy storage equipment 5 is 1/2nd of three-phase alternating current variable-frequency motor 4b power, thus multiplication well site AC network electricity power supply capacity.
Fig. 3 is the third execution mode of the present utility model.The present invention is comprised of ac bus, DC bus, control line, AC/DC rectifier 2, DC/AC inverter 8, AC/AC frequency converter 9, three-phase alternating current variable-frequency motor 4b, three-phase alternating current variable-frequency motor 4c, super capacitor module energy storage equipment 5, controller 6.Wherein, AC/DC rectifier 2 is connected with well site power supply by ac bus 1, and AC/DC rectifier 2, DC/AC inverter 8, three-phase alternating current variable-frequency motor 4b are connected in series successively by DC bus 3a, ac bus 1a; Three-phase alternating current variable-frequency motor 4c is connected to ac bus 1 by ac bus 1c, AC/AC frequency converter 9, ac bus 1b; Super capacitor module energy storage equipment 5 is connected in parallel on the DC bus 3a between AC/DC rectifier 2 and DC/AC inverter 8 by DC bus 3b; Controller 6 is connected with AC/DC rectifier 2, super capacitor module energy storage equipment 5, DC/AC inverter 8, AC/AC frequency converter 9 respectively by control line 7a, control line 7b, control line 7c, control line 7d; Three-phase alternating current variable-frequency motor 4b is connected with the winch of workover rig by the compound box on workover rig with three-phase alternating current variable-frequency motor 4c.
The power of described super capacitor module energy storage equipment 5 is identical with the power of three-phase alternating current variable-frequency motor 4b and three-phase alternating current variable-frequency motor 4c, thus multiplication well site AC network electricity power supply capacity.
In operation process, controller 6 is controlled the AC/DC rectifier 2 in above-mentioned three execution modes, super capacitor module energy storage equipment 5 and DC/AC inverter 8, AC/AC frequency converter 9 respectively by control line, and receives its feedback signal.
Before workover rig promotes tubing string first or promote intermittent time between tubing string non-cutting times such as (be single oil pipe shackle with) putting for twice, well site AC network electricity, by 5 power supplies of 2 pairs of super capacitor module energy storage equipments of AC/DC rectifier, makes 5 chargings of super capacitor module energy storage equipment; When workover rig promotes tubing string, the first execution mode is under controller 6 is controlled, well site AC network electricity is converted to direct current through AC/DC rectifier 2, in parallel with the direct current that super capacitor module energy storage equipment 5 provides, direct current machine 4a is powered, and under controller is controlled, speed is adjustable, meets the requirement of workover rig bring to power; First scheme is under controller 6 is controlled, well site AC network electricity is direct current through 2 rectifications of AC/DC rectifier, in parallel with the direct current that super capacitor module energy storage equipment 5 provides, through DC/AC inverter 8 inversion frequency modulation, alternating-current variable frequency motor 4b is powered, thereby multiplication power supply capacity, meets the requirement of workover rig bring to power; The third scheme is under controller 6 is controlled, well site AC network electricity is through AC/AC frequency converter 9 frequency modulation, drive three-phase alternating current variable-frequency motor 4c, meanwhile, super capacitor module energy storage equipment 5 provides direct current, through DC/AC inverter 8 inversion frequency modulation, three-phase alternating current variable-frequency motor 4b is powered, three-phase alternating current variable-frequency motor 4b and three-phase alternating current variable-frequency motor 4c by mechanical compound box by transmission of power to winch, meet the requirement of workover rig power of motor, thereby promote working rig performance.
Claims (6)
1. a workover rig super capacitor energy drive unit, by well site ac bus (1), AC/DC rectifier (2), DC bus, controller (6), control line, super capacitor module energy storage equipment (5), direct current machine (4a), formed, it is characterized in that: AC/DC rectifier (2) is connected with well site power supply by ac bus (1), AC/DC rectifier (2) is connected in series by the first DC bus (3a) with direct current machine (4a); Super capacitor module energy storage equipment (5) is connected in parallel on the first DC bus (3a) between AC/DC rectifier (2) and direct current machine (4a) by the second DC bus (3b); Controller (6) is connected with AC/DC rectifier (2), super capacitor module energy storage equipment (5) respectively by the first control line (7a), the second control line (7b).
2. workover rig super capacitor energy drive unit according to claim 1, is characterized in that: the power of super capacitor module energy storage equipment (5) is 1/2nd of direct current machine (4a) power.
3. a workover rig super capacitor energy drive unit, by ac bus, AC/DC rectifier (2), DC bus, DC/AC inverter (8), three-phase alternating current variable-frequency motor (4b), super capacitor module energy storage equipment (5), controller (6), control line, formed, it is characterized in that: AC/DC rectifier (2) is connected with well site power supply by ac bus (1), AC/DC rectifier (2) is connected in series with DC/AC inverter (8), three-phase alternating current variable-frequency motor (4b) successively by the first DC bus (3a), ac bus (1a); Super capacitor module energy storage equipment (5) is connected in parallel on the first DC bus (3a) between AC/DC rectifier (2) and DC/AC inverter (8) by the second DC bus (3b); Controller (6) is connected with AC/DC rectifier (2), super capacitor module energy storage equipment (5), DC/AC inverter (8) respectively by the first control line (7a), the second control line (7b), the 3rd control line (7c).
4. workover rig super capacitor energy drive unit according to claim 3, is characterized in that: the power of described super capacitor module energy storage equipment (5) is 1/2nd of three-phase alternating current variable-frequency motor (4b) power.
5. a workover rig super capacitor energy drive unit, by ac bus, DC bus, control line, AC/DC rectifier (2), DC/AC inverter (8), AC/AC frequency converter (9), first three-phase alternating current variable-frequency motor (4b), second three-phase alternating current variable-frequency motor (4c), super capacitor module energy storage equipment (5), controller (6) forms, it is characterized in that: AC/DC rectifier (2) is connected with well site power supply by ac bus (1), AC/DC rectifier (2), DC/AC inverter (8), first three-phase alternating current variable-frequency motor (4b) is by the first DC bus (3a), the first ac bus (1a) is connected in series successively, second three-phase alternating current variable-frequency motor (4c) is connected to ac bus (1) by the 3rd ac bus (1c), AC/AC frequency converter (9), the second ac bus (1b), super capacitor module energy storage equipment (5) is connected in parallel on the first DC bus (3a) between AC/DC rectifier (2) and DC/AC inverter (8) by the second DC bus (3b), controller (6) is connected with AC/DC rectifier (2), super capacitor module energy storage equipment (5), DC/AC inverter (8), AC/AC frequency converter (9) respectively by the first control line (7a), the second control line (7b), the 3rd control line (7c), the 4th control line (7d), first three-phase alternating current variable-frequency motor (4b) is connected with the winch of workover rig by the compound box on workover rig with second three-phase alternating current variable-frequency motor (4c).
6. workover rig super capacitor energy drive unit according to claim 5, is characterized in that: the power of described super capacitor module energy storage equipment (5) is identical with the power of first three-phase alternating current variable-frequency motor (4b) and second three-phase alternating current variable-frequency motor (4c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320315759.XU CN203456928U (en) | 2013-06-04 | 2013-06-04 | Super-capacitor energy storage driving device for workover rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320315759.XU CN203456928U (en) | 2013-06-04 | 2013-06-04 | Super-capacitor energy storage driving device for workover rig |
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| CN203456928U true CN203456928U (en) | 2014-02-26 |
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| CN201320315759.XU Expired - Fee Related CN203456928U (en) | 2013-06-04 | 2013-06-04 | Super-capacitor energy storage driving device for workover rig |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326452A (en) * | 2013-06-04 | 2013-09-25 | 中国石油化工股份有限公司 | Super-capacitor energy storage driving device of workover rig |
| CN104060949A (en) * | 2014-05-31 | 2014-09-24 | 中原特种车辆有限公司 | Energy-storage type hybrid workover rig |
| CN112737469A (en) * | 2020-12-31 | 2021-04-30 | 徐州中矿大传动与自动化有限公司 | Electrically excited synchronous motor variable frequency driving device and control method |
-
2013
- 2013-06-04 CN CN201320315759.XU patent/CN203456928U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326452A (en) * | 2013-06-04 | 2013-09-25 | 中国石油化工股份有限公司 | Super-capacitor energy storage driving device of workover rig |
| CN103326452B (en) * | 2013-06-04 | 2016-12-28 | 中国石油化工股份有限公司 | Workover rig super capacitor energy driving means |
| CN104060949A (en) * | 2014-05-31 | 2014-09-24 | 中原特种车辆有限公司 | Energy-storage type hybrid workover rig |
| CN104060949B (en) * | 2014-05-31 | 2016-08-24 | 中原特种车辆有限公司 | Energy storage type hybrid power well repairing machine |
| CN112737469A (en) * | 2020-12-31 | 2021-04-30 | 徐州中矿大传动与自动化有限公司 | Electrically excited synchronous motor variable frequency driving device and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20170604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |