CN209687698U - A kind of middle pressure AC inverter driving system and control system for pressure break sled - Google Patents
A kind of middle pressure AC inverter driving system and control system for pressure break sled Download PDFInfo
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- CN209687698U CN209687698U CN201821962372.2U CN201821962372U CN209687698U CN 209687698 U CN209687698 U CN 209687698U CN 201821962372 U CN201821962372 U CN 201821962372U CN 209687698 U CN209687698 U CN 209687698U
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- pressure break
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- sled
- inverter driving
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Abstract
The utility model provides a kind of middle pressure AC inverter driving system and control system for pressure break sled, including well site network system, pressure break sled and long-range control PC, and the well site network system includes high-tension switch cabinet, and high-tension switch cabinet connects medium voltage frequency converter input terminal；The pressure break sled includes variable-frequency motor, variable-frequency motor is connected with fracturing pump, the variable-frequency motor and fracturing pump are connected on data acquisition module as input terminal, the output end of the data acquisition module connects control cabinet, control cabinet is connected on medium voltage frequency converter output end, above-mentioned each component passes through cable connection, the control cabinet is also connected with IP Camera and long-range control PC by Ethernet, solve the problems, such as that high-power electric drive pressure break equipment is difficult to be laid out on pressure break sled because excessive overweight, it can realize that automatic pressure testing and dish pumping operate simultaneously, improve fracturing work efficiency.
Description
Technical field
The utility model belongs to oil and gas development and volume increase equipment technology field, and in particular to a kind of middle pressure for pressure break sled
AC inverter driving system and control system.
Background technique
Pressure break pumping unit is the important equipment for improving the unconventional resource exploitation such as the rate of oil and gas recovery and shale oil gas.Tradition pressure
Split pumping unit and mostly use Diesel Driven greatly, by change diesel engine revolving speed and transmission case gear come adjust fracturing pump turn
Speed, to control the discharge capacity of injection fracturing fluid, but that there are displacement controls is inflexible, fuel consumption is big, discharge for this scheme
Exceeded, the problems such as environmental pollution is serious.In recent years, it with the continuous expansion of shale gas exploitation scale, is driven using conventional diesel engine
Dynamic pressure break pumping equipment is increasingly difficult to meet actual demand.
For these problems, the technical side of fracturing pump is directly driven instead of diesel engine and transmission case using alternating-current variable frequency motor
Case is come into being.This scheme has noise small, and environmental pollution is small, controls the advantages that flexible, optimizes fracturing work.City at present
The electricity for having occurred certain scale on field drives fracturing unit, but power is smaller, it is difficult to meet the surge of pressure break power demand, and low pressure
Big-power transducer often generates harmonic effect when accessing power grid, influences other equipment and operates normally.
It is of great significance accordingly, it is considered to how medium-high voltage frequency converter is applied to pressure break pumping unit.Medium-high voltage frequency converter
Bigger power can not only be provided, and this frequency converter is integrated with phase-shifting rectifier transformer, using multiplexes more than 18 arteries and veins
Rectifier system, harmonic current is small, the following mainstream that will gradually become pressure break pumping unit.
Utility model content
The purpose of the utility model is to provide a kind of middle pressure AC inverter driving systems and control system for pressure break sled, this is
System can be realized the integrated and skid chemical conversion set that electricity drives fracturing pump device systems.
Technical solution used by the utility model be it is a kind of for pressure break sled middle pressure AC inverter driving system and control be
System, including well site network system, pressure break sled and long-range control PC, the well site network system includes high-tension switch cabinet, and height presses off
It closes cabinet and connects medium voltage frequency converter input terminal；The pressure break sled includes variable-frequency motor, and variable-frequency motor is connected with fracturing pump, the frequency conversion
Motor and fracturing pump are connected on data acquisition module as input terminal, and the output end of the data acquisition module connects control
Cabinet, control cabinet are connected on medium voltage frequency converter output end, and the control cabinet is also connected with IP Camera and remote by Ethernet
Process control PC.
The utility model is also characterized by:
Wherein the data acquisition module includes acquisition unit, and acquisition unit connects interchanger, and interchanger is also connected with embedding
Enter formula PC；
Wherein the acquisition module is connected separately with speed probe, pressure sensor, temperature sensor, displacement sensing
Device, liquid level sensor and jam signal sensor；
Wherein described interchanger one end is provided with gateway and touch screen, and the interchanger other end is connected with POE charger and network
Camera；
Wherein the built-in PC includes frequency converter and breaker, and the built-in PC connects long-range control by cloud
PC。
The utility model has the beneficial effects that
A kind of middle pressure AC inverter driving system and control system for pressure break sled of the utility model solves high-power electricity
Driving pressure break equipment is difficult to the problem being laid out on pressure break sled because excessive overweight, while can realize that automatic pressure testing and dish pumping are grasped
Make, improve fracturing work efficiency, alleviate maintenance personnel's labor intensity, also there is video monitoring fracturing pump or operating area function
Can, improve the stability and safety of equipment operation.
Detailed description of the invention
Fig. 1 is the main system of a kind of middle pressure AC frequency conversion electric drive prized for pressure break and control system of the utility model
System structural block diagram；
Fig. 2 is a kind of main circuit of middle pressure AC frequency conversion electric drive and control system for pressure break sled of the utility model
Electrical schematic diagram；
Fig. 3 is a kind of control system of middle pressure AC frequency conversion electric drive and control system for pressure break sled of the utility model
Block diagram；
In figure, 1. long-range control PC, 2. high-tension switch cabinets, 3. medium voltage frequency converters, 4. variable-frequency motors, 5. fracturing pumps, 6. numbers
According to acquisition module, 7. control cabinets, 8. IP Cameras, 9. acquisition units, 10. interchangers, 11. built-in PCs, 12. revolution speed sensings
Device, 13. pressure sensors, 14. temperature sensors, 15. displacement sensors, 16. liquid level sensors, 17. jam signal sensors,
18. gateway, 19. touch screens, 20.POE charger, 21. breakers, 22. frequency converters.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model provides a kind of middle pressure AC inverter driving system and control system for pressure break sled, as shown in Figure 1, its
Primary structure include: high-tension switch cabinet 2, medium voltage frequency converter 3, variable-frequency motor 4, fracturing pump 5, control cabinet 7, data acquisition module 6,
IP Camera 8 and remote control PC1；Wherein medium voltage frequency converter 3 is connect with variable-frequency motor 4 with power shielded cable, variable-frequency motor 4 with
The status information of fracturing pump 5 accesses control cabinet 7 by signal cable after data acquisition module 6, and 3 signal of medium voltage frequency converter passes through
Signal cable access 7 cabinets of control, IP Camera 8 access control cabinet 7 using ethernet line, and remote PC1 of controlling is connect by ethernet line
Enter control cabinet 7；
Step is prized in well layout pressure break are as follows: high-tension switch cabinet 2, electric network source are first arranged at the power network wiring of the well site 10KV
3 power input socket of medium voltage frequency converter is led to through 2 cable of high-tension switch cabinet, pressure break prizes control cabinet communication port Industrial Ethernet electricity
Cable is connected on the remote control PC1 in measuring truck, and after scene confirmation safety, operator carries out centralized control, packet using remote control PC1
Include 2 remote switching of high-tension switch cabinet, high pressure separating brake, emergency stop, pressure testing, the adjusting of pressure break discharge capacity, equipment condition monitoring, video monitoring,
The functions such as automatic dish pumping.
The main circuit topological structure of the utility model as shown in Figure 2 is that nine level of voltage-type is designed without fuse (VSI-MF)
Inverter, the design based on IGCT technology and without fuse improve the reliability of frequency converter；Frequency converter uses 36 impulse commutations
Mode effectively eliminates side harmonics, meets requirement of the international standard to harmonic wave, improves system effectiveness, reduce energy consumption.
As shown in figure 3, the control system of the utility model is mainly made of following: breaker 21, frequency converter 22, embedded
PC11, PC1, gateway 18, touch screen 19, interchanger 10, POE charger 20, IP Camera 8, acquisition unit 9, revolving speed biography are far controlled
Sensor 12, pressure sensor 13, temperature sensor 14, displacement sensor 15, liquid level sensor 16 and jam signal sensor 17；
Remote control PC1, built-in PC 11, each terminal and sensor pass through Industrial Ethernet and are communicated with industrial switch.Ether
Net transmits each control signal, data acquisition signal and monitor video signal.Operator can pass through the remote control PC other than 50 meters
Long-range control can also be controlled local by built-in PC, and controlled device is mainly frequency converter.
The advantages of explaining the utility model from working principle:
Main circuit system: external 10KV high-voltage fence three-phase alternating current first accesses medium voltage converter sled and is rectified into direct current, direct current
Become the three-phase alternating current needed after entering inverter bridge inversion after inductor filter.Wherein input side uses IGCT integral gate
Commutated thyristor carries out PWM modulation by the on-off to each IGCT, effectively eliminates the harmonic wave of certain specific times, improves
Power factor.The discharge capacity of pump, which is adjusted, to be realized by the Current Voltage of adjusting frequency converter, by adjusting three-phase alternating current
Current Voltage adjusts motor speed, and then adjusts the discharge capacity of fracturing pump 5.Traditional Diesel Driven fracturing pump is set as several more
The gear of a fixation adjusts the speed inflexible；And stepless speed regulation is realized after using variable-frequency motor driving, it can satisfy more complicated
Demand.
Control system: the institute that remote control PC1 remotely controls all fracturing works is functional, including remote switching, high pressure separating brake,
Emergency stop, control power initiation, illumination starting, the reset of lubricating oil heating starting, emergency stop, alarm, pressure testing, fracturing pump 5 adjust the speed, are automatic
Dish pumping etc..In view of safety factor, it is functional that local built-in PC 11 also can control the institute in addition to remote switching.Before operation,
First check that route has fault-free and confirms site safety, then far control PC1 combined floodgate breaker is to connect electric network source.Operation is main
It is divided into three steps: first carries out pressure testing operation.Remote control PC1 presets superpressure value, and after pressing pressure testing key, frequency converter receives specified turn
Driving motor rotates fracturing pump after fast signal, and motor stalls automatically after pressure reaches superpressure value, and pressure break sled pump pressure is maintained at super
Press setting value；Pressure break pumpage is adjusted according to demand.Remote control PC1 adjusts the speed preset signal of frequency converter, and motor is turned as given
Speed rotation, after sensor detects revolving speed, remote PC of controlling calculates corresponding pressure break pumpage；Dish pumping is carried out after operation, is pressed
Under " dish pumping " key start automatic dish pumping, motor is moved back and forth by setting speed driving fracturing pump plunger axis, corresponding during dish pumping
Whether the displacement sensor real-time detection of plunger exits fluid end valve chamber to plunger completely, and detect makes electricity when exiting in place automatically
Machine stalling.
Monitoring remote video: during fracturing work, network shooting, 8 complete monitoring field conditions, vision signal by with
Too net access industrial interchanger passes to remote control PC1 again, monitors picture in real time to scene by far controlling the video monitoring software on PC1
It monitored, stored, being controlled and alarm detection.IP Camera 8 uses POE power supply mode, is connect by the Power over Ethernet of POE
Mouthful, it can be for IP Camera power supply and transmission video signal with single line.It is main when far control PC1 receives local alarm
Interface automatically switches to video monitoring picture, so that operator observes equipment fault at the first time；The system has simultaneously
Dynamic capture function, can detect the personnel entered arbitrarily in monitoring area and foreign matter automatically, when there is irrelevant personnel to enter danger in operation
Alarm can be detected and issued when region at the first time, substantially increases security of system energy.
The middle pressure AC inverter driving system system of this pressure break sled described in the utility model improves the automatic of fracturing work
Change level, separate structure is used on hardware, motor and pump are individually at sled, and medium voltage converter room is individually at sled；One frequency conversion
Sled can drive more pumps to prize, and realize " one drag more ", flexible structure；Main circuit presses IGCT multi-level voltage source type to become in using
Frequency device, it is increasingly complex compared to low voltage frequency converter structure, but possess that output frequency is high, dynamic property is good, overload capacity is strong etc. and show
Advantage is write, it can be achieved that 12,18 or 24 impulse commutations, effectively reduce side harmonics；Fracturing unit is monitored with equipment running status
With data remote transmission module, energy real-time remote monitoring is run, while selecting the interchanger for supporting multi-protocols, it is easy to accomplish pressure break
Workshop interconnection, meets the actual demand of live multicomputer coordinative operation；Intelligentized monitoring；Compared to traditional fracturing pump, increase newly
Video monitoring system, can record live hidden danger point in real time, and the alert events such as concurrent fracturing pump and motor can also trigger；When scene has
When emergency occurs, it can be observed in time by video monitoring, while thering are personnel to enter dangerous operation Qu Shineng automatic alarm,
Significantly reduce risk factor；It is designed by electrification, effectively reduces noise and environmental pollution.
Claims (5)
1. it is a kind of for pressure break sled middle pressure AC inverter driving system and control system, which is characterized in that including well site network system,
Pressure break sled and long-range control PC (1), the well site network system include high-tension switch cabinet (2), are pressed in high-tension switch cabinet (2) connection
Frequency converter (3) input terminal；The pressure break sled includes variable-frequency motor (4), and variable-frequency motor (4) is connected with fracturing pump (5), the frequency conversion
Motor (4) and fracturing pump (5) are connected on data acquisition module (6) as input terminal, the output of the data acquisition module (6)
End connection control cabinet (7), control cabinet (7) are connected on medium voltage frequency converter (3) output end, and the control cabinet (7) passes through Ethernet
It is also connected with IP Camera (8) and long-range control PC (1).
2. a kind of middle pressure AC inverter driving system and control system, feature for pressure break sled according to claim 1 exists
In the data acquisition module (6) includes acquisition unit (9), and acquisition unit (9) is connected with interchanger (10), interchanger (10)
It is also connected with built-in PC (11).
3. a kind of middle pressure AC inverter driving system and control system, feature for pressure break sled according to claim 2 exists
In the acquisition unit (9) is connected separately with speed probe (12), pressure sensor (13), temperature sensor (14), displacement
Sensor (15), liquid level sensor (16) and jam signal sensor (17).
4. a kind of middle pressure AC inverter driving system and control system, feature for pressure break sled according to claim 2 exists
In described interchanger (10) one end is provided with gateway (18) and touch screen (19), and interchanger (10) other end is connected with POE charger
(20) with IP Camera (8).
5. a kind of middle pressure AC inverter driving system and control system, feature for pressure break sled according to claim 2 exists
In the built-in PC (11) includes frequency converter (22) and breaker (21), and the built-in PC (11) is connected remote by cloud
Process control PC (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821962372.2U CN209687698U (en) | 2018-11-27 | 2018-11-27 | A kind of middle pressure AC inverter driving system and control system for pressure break sled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821962372.2U CN209687698U (en) | 2018-11-27 | 2018-11-27 | A kind of middle pressure AC inverter driving system and control system for pressure break sled |
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| Publication Number | Publication Date |
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| CN209687698U true CN209687698U (en) | 2019-11-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550725A (en) * | 2020-04-26 | 2021-10-26 | 四川宏华石油设备有限公司 | Electric fracturing operation system |
| CN113969774A (en) * | 2021-09-28 | 2022-01-25 | 四川宏华电气有限责任公司 | Coal bed gas fracturing equipment and operation method |
| WO2023045006A1 (en) * | 2021-09-22 | 2023-03-30 | 烟台杰瑞石油装备技术有限公司 | Electrically-driven fracking system |
| WO2024036670A1 (en) * | 2022-08-18 | 2024-02-22 | 烟台杰瑞石油装备技术有限公司 | Integrated step-down power supply device and well site power supply system |
| 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 |
-
2018
- 2018-11-27 CN CN201821962372.2U patent/CN209687698U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550725A (en) * | 2020-04-26 | 2021-10-26 | 四川宏华石油设备有限公司 | Electric fracturing operation system |
| CN113550725B (en) * | 2020-04-26 | 2024-04-09 | 四川宏华石油设备有限公司 | Electric fracturing operation system |
| WO2023045006A1 (en) * | 2021-09-22 | 2023-03-30 | 烟台杰瑞石油装备技术有限公司 | Electrically-driven fracking system |
| US11725491B2 (en) | 2021-09-22 | 2023-08-15 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Electrically driven fracturing system |
| CN113969774A (en) * | 2021-09-28 | 2022-01-25 | 四川宏华电气有限责任公司 | Coal bed gas fracturing equipment and operation method |
| WO2024036670A1 (en) * | 2022-08-18 | 2024-02-22 | 烟台杰瑞石油装备技术有限公司 | Integrated step-down power supply device and well site power supply system |
| 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
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201222 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee before: Baoji Oilfield Machinery Co.,Ltd. |