CN204928166U - Rigs in oilfield's motor filtering compensation device - Google Patents
Rigs in oilfield's motor filtering compensation device Download PDFInfo
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- CN204928166U CN204928166U CN201520527428.1U CN201520527428U CN204928166U CN 204928166 U CN204928166 U CN 204928166U CN 201520527428 U CN201520527428 U CN 201520527428U CN 204928166 U CN204928166 U CN 204928166U
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- igbt
- capacitor
- compensation device
- reactive power
- reactor
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a rigs in oilfield's motor filtering compensation device, including controller and at least two sets of TSC developments reactive power compensator, these TSC developments reactive power compensator is parallelly connected to the same electric wire netting, and each TSC developments reactive power compensator be connected with the controller electricity, still includes an instantaneous frequency compensator, this instantaneous frequency compensator and TSC developments reactive power compensator parallelly connected to the same electric wire netting, the instantaneous frequency compensator is connected with the controller is electric. The utility model discloses can in time deal with transient voltage changes.
Description
Technical field
The utility model relates to a kind of motor filtering compensation device of oil field drill.
Background technology
Direct current machine has the advantages such as driving power is large, overload capacity strong, good speed adjustment features.Be widely applied in the exploration production industry such as petroleum gas, but because direct current machine needs to hand at work, DC converting, simultaneously in rig work, bearing power is very unstable, what change is large, speed is fast, there is obvious impact load characteristic, therefore very large higher harmonic components is produced, the containing ratio of its harmonic current can reach more than %, very large harmonic pollution and infringement are caused to distribution network, the serious safety that have impact on electric equipment in distribution network, its power number is also very low simultaneously, on average only have about 0.48, therefore a large amount of reactive loss and the reduction of voltage is caused.
There is multiple filtering compensation device in recent years on the market, especially based on passive filtering compensation device, although, these passive filtering compensation devices both can coordinate with diesel generating set, reach stable generator power reduction rig fault, reduce generator diesel consumption, but the absorptivity of smear is less, power is still lower, and cannot make a response in time for the change of transient voltage, make system effectively can not be in stable running status for a long time, easily cause peak voltage to damage other power consumption equipments.
Summary of the invention
The purpose of this utility model is, provides a kind of motor filtering compensation device can tackling the oil field drill of transient voltage change in time.
The utility model adopts following technical scheme:
The motor filtering compensation device of oil field drill, comprise controller and at least two group TSC dynamic reactive power compensation devices, these TSC dynamic reactive power compensation devices are parallel on same electrical network, each TSC dynamic reactive power compensation device is electrically connected with controller, also comprise a transient power compensator, this transient power compensator and described TSC dynamic reactive power compensation device are parallel on same electrical network, and transient power compensator is electrically connected with controller.
Preferably, described TSC dynamic reactive power compensation device comprises thyristor, the first capacitor, the first reactor, the second capacitor, the second reactor, the control end of thyristor is connected with controller, the output of thyristor is connected with one end of the first capacitor, the other end of the first capacitor is connected with one end of the first reactor, the other end ground connection of the first reactor, one end of second capacitor is connected with the output of thyristor, the other end of the second capacitor is connected with one end of the second reactor, the other end ground connection of the second reactor.
Preferably, transient power compensator comprises an IGBT, the 2nd IGBT, the 3rd IGBT, the 4th IGBT and the 3rd capacitor, one end of one IGBT is connected with one end of the 2nd IGBT, the other end ground connection of the 2nd IGBT, the other end of the one IGBT is in parallel with one end of the 3rd IGBT, the other end of the 3rd IGBT is connected with one end of the 4th IGBT, the other end ground connection of the 4th IGBT, one end of described 3rd capacitor is connected to the node place of an IGBT and the 2nd IGBT, and the other end of the 3rd capacitor is connected to the node place of the 3rd IGBT and the 4th IGBT.
The utility model has the advantage of: the utility model follow load change can carry out harmonic wave and power auto-compensation automatically, harmonic absorption efficiency is greater than more than 70%, power factor (PF) can compensate to more than 0.96, load current is maximum can lower more than 2000A, and after having transient power compensator, change for transient voltage has irreplaceable advantage, and it can effective systems stabilisation voltage, prevents peak voltage from damaging other power consumption equipments.
The additional oil consumption increased to generator due to harmonic wave reduces because of the elimination of harmonic wave, the general oil consumption increased because of harmonic wave is 25%, the utility model is due to the decline of reactive current, with system short-circuit easily because rising after the input of filtering compensation device, stabilize generator system, decrease motor start number of units, therefore oil consumption reduces greatly.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of structural representation of the present utility model;
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the motor filtering compensation device of oil field drill of the present utility model, comprise controller 1 and at least two group TSC dynamic reactive power compensation devices 2, these TSC dynamic reactive power compensation devices 2 are parallel on same electrical network, each TSC dynamic reactive power compensation device 2 is electrically connected with controller 1, described TSC dynamic reactive power compensation device comprises thyristor Q, first capacitor C1, first reactor L1, second capacitor C2, second reactor L2, the control end of thyristor Q is connected with controller, the input of thyristor Q is connected with the output of transformer T by switch QF2, the input of power transformation device T is connected with electrical network, the output of thyristor Q is connected with one end of the first capacitor C1, the other end of the first capacitor C1 is connected with one end of the first reactor L1, the other end ground connection of the first reactor L1, one end of second capacitor L2 is connected with the output of thyristor Q, the other end of the second capacitor C2 is connected with one end of the second reactor L2, the other end ground connection of the second reactor L2.Each TSC dynamic reactive power compensation device 2 also comprises a current transformer TA, and this current transformer TA is arranged at the output of thyristor Q.
Also comprise a transient power compensator 3, this transient power compensator 3 is parallel on same electrical network with described TSC dynamic reactive power compensation device 1, and transient power compensator 3 is electrically connected with controller 1.Transient power compensator comprises an IGBTQ1, 2nd IGBTQ2, 3rd IGBTQ3, 4th IGBTQ4 and the 3rd capacitor C3, one end of one IGBTQ1 is connected with one end of the 2nd IGBTQ2, the other end ground connection of the 2nd IGBTQ2, the other end of the one IGBTQ1 is in parallel with one end of the 3rd IGBTQ3, the other end of the 3rd IGBTQ3 is connected with one end of the 4th IGBTQ4, the other end ground connection of the 4th IGBTQ4, one end of described 3rd capacitor C3 is connected to the node place of an IGBTQ1 and the 2nd IGBTQ2, the other end of the 3rd capacitor C3 is connected to the node place of the 3rd IGBTQ3 and the 4th IGBTQ4.
The course of work of the present utility model is: Capacitor banks is by thuristor throw-in and throw-off, when the reactive current value that controller detects exceedes setting value, automatic decision goes out the progression need throwing Capacitor banks, and controlled adjuster, to the SCR-output triggering signal of specifying, makes it conducting and put into operation by Capacitor banks.When load reactive current value is lower than setting value, controller provides control signal, stops paying out triggering signal and is deactivated by Capacitor banks to thyristor.When overtension, each IGBT conducting of controller transient power compensator 3, makes transient power compensator put into operation, prevents peak voltage from damaging power consumption equipment.Above operating state is carried out completely automatically, guarantee switched capacitor without impact, no-flashy-flow, without transient process.
Claims (3)
1. the motor filtering compensation device of an oil field drill, comprise controller (1) and at least two group TSC dynamic reactive power compensation devices (2), these TSC dynamic reactive power compensation devices (2) are parallel on same electrical network, each TSC dynamic reactive power compensation device (2) is electrically connected with controller (1), it is characterized in that: also comprise a transient power compensator (3), this transient power compensator (3) and described TSC dynamic reactive power compensation device (1) are parallel on same electrical network, transient power compensator (3) is electrically connected with controller (1).
2. the motor filtering compensation device of oil field drill according to claim 1, it is characterized in that: described TSC dynamic reactive power compensation device comprises thyristor (Q), first capacitor (C1), first reactor (L1), second capacitor (C2), second reactor (L2), the control end of thyristor (Q) is connected with controller, the output of thyristor (Q) is connected with one end of the first capacitor (C1), the other end of the first capacitor (C1) is connected with one end of the first reactor (L1), the other end ground connection of the first reactor (L1), one end of second capacitor (L2) is connected with the output of thyristor (Q), the other end of the second capacitor (C2) is connected with one end of the second reactor (L2), the other end ground connection of the second reactor (L2).
3. the motor filtering compensation device of oil field drill according to claim 1, it is characterized in that: transient power compensator comprises an IGBT (Q1), 2nd IGBT (Q2), 3rd IGBT (Q3), 4th IGBT (Q4) and the 3rd capacitor (C3), one end of one IGBT (Q1) is connected with one end of the 2nd IGBT (Q2), the other end ground connection of the 2nd IGBT (Q2), the other end of the one IGBT (Q1) is in parallel with one end of the 3rd IGBT (Q3), the other end of the 3rd IGBT (Q3) is connected with one end of the 4th IGBT (Q4), the other end ground connection of the 4th IGBT (Q4), one end of described 3rd capacitor (C3) is connected to the node place of an IGBT (Q1) and the 2nd IGBT (Q2), the other end of the 3rd capacitor (C3) is connected to the node place of the 3rd IGBT (Q3) and the 4th IGBT (Q4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527428.1U CN204928166U (en) | 2015-07-20 | 2015-07-20 | Rigs in oilfield's motor filtering compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527428.1U CN204928166U (en) | 2015-07-20 | 2015-07-20 | Rigs in oilfield's motor filtering compensation device |
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| Publication Number | Publication Date |
|---|---|
| CN204928166U true CN204928166U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520527428.1U Expired - Fee Related CN204928166U (en) | 2015-07-20 | 2015-07-20 | Rigs in oilfield's motor filtering compensation device |
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| CN (1) | CN204928166U (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 |
-
2015
- 2015-07-20 CN CN201520527428.1U patent/CN204928166U/en not_active Expired - Fee Related
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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210720 |