CN203589733U - Drilling machine grid electricity adaptive double voltage on-load voltage regulating transformer - Google Patents
Drilling machine grid electricity adaptive double voltage on-load voltage regulating transformer Download PDFInfo
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- CN203589733U CN203589733U CN201320737324.4U CN201320737324U CN203589733U CN 203589733 U CN203589733 U CN 203589733U CN 201320737324 U CN201320737324 U CN 201320737324U CN 203589733 U CN203589733 U CN 203589733U
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- 230000005611 electricity Effects 0.000 title claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 12
- 238000005553 drilling Methods 0.000 title abstract description 7
- 230000003044 adaptive effect Effects 0.000 title abstract 3
- 230000007935 neutral effect Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 12
- 230000006978 adaptation Effects 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 235000019198 oils Nutrition 0.000 description 10
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 231100001261 hazardous Toxicity 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to a drilling machine grid electricity adaptive double voltage on-load voltage regulating transformer, which is characterized by comprising a line incoming circuit breaker, a current transformer, a voltage change-over switch, a fuse, a microcomputer intelligent controller and a transformer, wherein the primary high-voltage side of the transformer adopts a star-delta conversion double connection structure so as to adapt to a 6/10kV power supply, the secondary low-voltage side of the transformer adopts a star connection structure, and a neutral point is grounded. The special structural design of the drilling machine grid electricity adaptive double voltage on-load voltage regulating transformer not only can switch two kinds of operating voltage of the 6/10kV power supply, but also can realize automatic on-load voltage regulation under variations in load, thereby reducing the capital construction cost and the later maintenance cost, and being convenient to operate and simple in design.
Description
Technical field
The utility model belongs to Electric Manufacture technical field, the two voltage on-load voltage regulating transformers of especially a kind of rig net electricity self adaptation.
Background technology
Oil extraction in oil field electric drive rig used adopts many diesel-electric set electric supplies conventionally now, and installation cost is high, and floor space is large, safeguards inconvenience, possessing " replacing oil by electricity " effectively energy-saving and emission-reduction under the electric prerequisite of net, reduces drilling cost.The required nucleus equipment of net electricity is transformer, the magnitude of voltage of civilian medium voltage network is 10kV, the special electrical network in oil field is 6kV mostly, and net piezoelectric transformer of today can not two kinds of voltages of simultaneous adaptation 6/10kV, is unfavorable for that drilling crew adopts net electricity to carry out the operation of " replacing oil by electricity ".And the load change of oil-well rig is larger, for guaranteeing the quality of power supply, also need to carry out on-load voltage regulation.
Utility model content
In order to overcome above-mentioned technological deficiency, the utility model provides a kind of rig net electricity self adaptation two voltage on-load voltage regulating transformers, and this transformer not only can conveniently switch two kinds of operating voltages of 6/10kV, and can realize the automatic loaded voltage regulation under load change.
The two voltage on-load voltage regulating transformers of a kind of rig net electricity self adaptation, comprise: lead-in circuit breaker, current transformer, voltage transformer, voltage changeover switch, fuse, microcomputer-recognized intelligent controller, transformer, described transformer primary side high-pressure side adopts the two connection structures of variable star angle, be used for adapting to 6/10kV power supply, described transformer possesses voltage transformation switch, described transformer secondary low-pressure side adopts star structure, and neutral ground, one end of described lead-in circuit breaker is connected with 6/10kV electric power incoming line, the other end respectively with voltage changeover switch input and one end of fuse be connected, between lead-in circuit breaker and voltage changeover switch, also mutual inductance is connected with a current transformer, the output of voltage changeover switch possesses two switching ports, one of them switching port is connected with the on high-tension side angle scheme winding of transformer primary side, another switching port is connected with the on high-tension side star-star connection winding of transformer primary side, the other end of described fuse is connected with one end of voltage transformer, the other end of voltage transformer is connected with the input of microcomputer controller, the control output end of microcomputer controller has two, an automatic primary voltage control end is connected with the control end of voltage changeover switch, another on-load voltage regulation control end is connected with the voltage transformation switch of transformer.
Described transformer adopting mechanical structure is strengthened Design Mode, the requirement of suitable drilling team well site resettlement migration.
Described transformer adopting sealing oil immersed power transformer, adopts high burning-point vegetable oil instead of transformers oil in important and hazardous area, can improve the lsafety level of product.
Described fuse adopts fast acting fuse, can effectively protect microcomputer-recognized intelligent controller.
Effect intentionally of the present utility model is: this transformer primary side high-pressure side adopts the special construction design of variable star angle connection, can conveniently adapt to two kinds of operating voltages of 6/10kV, to reach self optimum operating voltage, and can realize the automatic loaded voltage regulation under load change, capital construction cost and the maintenance cost in later stage have been reduced, operation is convenient, simplicity of design.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of the two voltage on-load voltage regulating transformers of a kind of rig net electricity self adaptation of the present utility model
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is elaborated.
As shown in Figure 1, the two voltage on-load voltage regulating transformers of a kind of rig net electricity self adaptation, comprise: lead-in circuit breaker 1, current transformer 2, voltage transformer 4, voltage changeover switch 6, fuse 3, microcomputer-recognized intelligent controller 5, transformer 7, high-pressure side, the former limit of described transformer 7 adopts the two connection structures of variable star angle, be used for adapting to 6/10kV power supply, described transformer 7 secondary low-pressure side windings adopt star structure, and winding neutral ground, one end of described lead-in circuit breaker 1 is connected with 6/10kV electric power incoming line, the other end respectively with voltage changeover switch 6 input and one end of fuse 3 be connected, between lead-in circuit breaker 1 and voltage changeover switch 6, also mutual inductance is connected with a current transformer 2, the output of voltage changeover switch 6 possesses two switching ports, one of them switching port is connected with the on high-tension side angle scheme winding in the former limit of transformer 7, another switching port is connected with the on high-tension side star-star connection winding in the former limit of transformer 7, the other end of described fuse 3 is connected with one end of voltage transformer 4, the other end of voltage transformer 4 is connected with the input of microcomputer controller 5, microcomputer controller 5 has two control output end mouths, an automatic primary voltage control port is connected with the control end of voltage changeover switch 6, another on-load voltage regulation control port is connected with the voltage transformation switch of transformer 7.
Described transformer 7 adopts mechanical structure to strengthen Design Mode, the requirement of suitable drilling team well site resettlement migration.
Described transformer 7 adopts sealing oil immersed power transformer, in important and hazardous area, adopts high burning-point vegetable oil instead of transformers oil, can improve the lsafety level of product.
Described fuse 3 adopts fast acting fuse, can effectively protect microcomputer-recognized intelligent controller.
Transformer 7 main bodys are S11-M sealing oil immersed power transformer, increase voltage transformation switch, and secondary winding is connected on voltage transformation switch in device body.6 or 10kV inlet wire by lead-in circuit breaker 1, fuse 3, be connected to voltage transformer 4, voltage transformer 4 is sent to the signal of telecommunication of voltage in microcomputer-recognized intelligent controller 5, microcomputer-recognized intelligent controller 5 judges by automatic computing, controls voltage change-over switch 6 and automatically connects into the former edge joint method of winding that adapts to primary voltage.Transformer 7 is given in rig powered operation process, microcomputer-recognized intelligent controller 5 is according to the big or small changing value of load in circuit and pressure drop, automatically the position of the voltage transformation switch in driving transformer 7, all the time by output voltage control rated voltage ± 2.5% within, guarantee that borer system normally works.
The special construction design of this device, not only can conveniently switch two kinds of operating voltages of 6/10kV, and can realize the automatic loaded voltage regulation under load change, has reduced capital construction cost and the maintenance cost in later stage, and operation is convenient, simplicity of design.
Above-described is only preferred embodiment of the present utility model; institute is understood that; the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; and be not used in limit protection range of the present utility model; all any modifications of making, be equal to replacement etc., within all should being included in protection range of the present utility model within thought of the present utility model and principle.
Claims (3)
1. the two voltage on-load voltage regulating transformers of rig net electricity self adaptation, comprise: lead-in circuit breaker, current transformer, voltage transformer, voltage changeover switch, fuse, microcomputer-recognized intelligent controller, transformer, it is characterized in that, described transformer primary side high-pressure side adopts the two connection structures of variable star angle, described transformer secondary low-pressure side winding adopts star structure, and winding neutral ground, one end of described lead-in circuit breaker is connected with 6/10kV electric power incoming line, the other end respectively with voltage changeover switch input and one end of fuse be connected, between lead-in circuit breaker and voltage changeover switch, also mutual inductance is connected with a current transformer, the output of voltage changeover switch possesses two switching ports, one of them switching port is connected with the on high-tension side angle scheme winding of transformer primary side, another switching port is connected with the on high-tension side star-star connection winding of transformer primary side, the other end of described fuse is connected with one end of voltage transformer, the other end of voltage transformer is connected with the input of microcomputer controller, microcomputer controller has two control output end mouths, an automatic primary voltage control port is connected with the control end of voltage changeover switch, another on-load voltage regulation control port is connected with the voltage transformation switch of transformer.
2. the two voltage on-load voltage regulating transformers of a kind of rig net electricity self adaptation according to claim 1, is characterized in that, described transformer adopting sealing oil immersed power transformer.
3. the two voltage on-load voltage regulating transformers of a kind of rig net electricity self adaptation according to claim 2, is characterized in that, described fuse is fast acting fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737324.4U CN203589733U (en) | 2013-11-21 | 2013-11-21 | Drilling machine grid electricity adaptive double voltage on-load voltage regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737324.4U CN203589733U (en) | 2013-11-21 | 2013-11-21 | Drilling machine grid electricity adaptive double voltage on-load voltage regulating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203589733U true CN203589733U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320737324.4U Expired - Lifetime CN203589733U (en) | 2013-11-21 | 2013-11-21 | Drilling machine grid electricity adaptive double voltage on-load voltage regulating transformer |
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| Country | Link |
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| CN (1) | CN203589733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2013
- 2013-11-21 CN CN201320737324.4U patent/CN203589733U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |