CN113594906A - Electric control room for electric drive system equipment of oil field drilling machine - Google Patents
Electric control room for electric drive system equipment of oil field drilling machine Download PDFInfo
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- CN113594906A CN113594906A CN202110908723.1A CN202110908723A CN113594906A CN 113594906 A CN113594906 A CN 113594906A CN 202110908723 A CN202110908723 A CN 202110908723A CN 113594906 A CN113594906 A CN 113594906A
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- 238000005553 drilling Methods 0.000 title claims abstract description 48
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000004378 air conditioning Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000003345 natural gas Substances 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 229910002090 carbon oxide Inorganic materials 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 7
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- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/308—Mounting of cabinets together
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Inverter Devices (AREA)
Abstract
本发明涉及油田钻机电驱系统设备用电控领域，具体是一种油田钻机电驱系统设备用电控房。包括VFD房和MCC房；所述VFD房内设有GEN发电机控制柜、AUX GEN辅助发电机控制柜、馈电柜、24V电源柜、第一配电柜、整流柜、MP逆变柜、RT逆变柜、绞车逆变柜、制动柜、PLC柜、第一接线腔；所述MCC房内设有第二配电柜、400V出线柜、数据监控柜、绞车制动柜、一个AD制动柜、第二接线腔。本发明所述油田钻机电驱系统设备用电控房，采用高压电网供电，较常规柴油/天然气发动机几乎为零的氮氧化物和碳氧化物的排放量，降低能源消耗成本；采用钻机电驱系统电控房相比柴油发电机组可有效减小井场占地面积，自动化程度更高。
The invention relates to the field of electric control for oil field drilling electric drive system equipment, in particular to an electric control room for oil field drilling electric drive system equipment. Including VFD room and MCC room; the VFD room is equipped with GEN generator control cabinet, AUX GEN auxiliary generator control cabinet, feeder cabinet, 24V power supply cabinet, first power distribution cabinet, rectifier cabinet, MP inverter cabinet, RT inverter cabinet, winch inverter cabinet, braking cabinet, PLC cabinet, first wiring cavity; the MCC room is equipped with a second power distribution cabinet, 400V outlet cabinet, data monitoring cabinet, winch braking cabinet, an AD Brake cabinet, second wiring chamber. The electric control room for the oil field drilling machine drive system equipment of the present invention adopts high-voltage grid power supply, and has almost zero emission of nitrogen oxides and carbon oxides compared with conventional diesel/natural gas engines, and reduces energy consumption cost; the drilling machine drive is adopted. Compared with diesel generator sets, the system electronic control room can effectively reduce the area of the well site and has a higher degree of automation.
Description
Technical Field
The invention relates to the field of electric control for electric drive system equipment of an oilfield drilling machine, in particular to an electric control room for the electric drive system equipment of the oilfield drilling machine.
Background
An oil drilling machine is a device which can drive a drilling tool to break rock, drill underground and drill a well hole with a specified depth in the oil drilling process, and an oil extraction machine or a gas extraction machine can obtain oil or natural gas. The device mainly comprises a power machine, a transmission machine, a working machine and auxiliary equipment.
The electric drive system of the drilling machine replaces a diesel engine to drive the drilling machine system, and adopts a variable-current variable-frequency speed regulation technology, so that the requirements of a drilling process can be met, the mechanical structure of the drilling machine is simplified, the maintenance work is lightened, the safety, the reliability and the movement and transportation performance of the drilling machine are improved, and the drilling machine has the advantages of small volume, light weight, few faults, convenience in maintenance and wide speed regulation range, and can realize stepless speed regulation; the automatic bit feeding device can output constant torque at a lower speed, realize automatic bit feeding under the condition of numerical control and constant bit pressure, is very favorable for improving the drilling timeliness, optimizing the drilling process, handling underground accidents and the like, and is accurate in control and simple to operate by a drilling machine control system, so that the working environment of a driller is improved.
Disclosure of Invention
The invention provides an electric control room for electric drive system equipment of an oil field drilling machine, aiming at solving the problems of small single machine power, large floor area, high noise, high pollution and the like of the traditional mechanical transmission mode of a diesel engine. The electric control room is provided with a diesel generator set interface and is used for starting the diesel generator set under the condition that special regions do not have power grid environments, normal use of an oil field drilling machine system is guaranteed, and meanwhile, the winch frequency conversion speed regulation function of the drilling machine has an automatic bit feeding function.
The invention is realized by the following technical scheme: an electric control room for electric drive system equipment of an oilfield drilling machine comprises a VFD room and an MCC room;
the VFD room is internally provided with at least one GEN generator control cabinet, an AUX GEN auxiliary generator control cabinet, a feed cabinet, a 24V power supply cabinet, at least one first power distribution cabinet, at least one rectifier cabinet, at least one MP inverter cabinet, an RT inverter cabinet, at least one winch inverter cabinet, a brake cabinet, a PLC cabinet and a first wiring cavity;
at least one second power distribution cabinet, a 400V outgoing line cabinet, a data monitoring cabinet, a winch brake cabinet, an AD brake cabinet and a second wiring cavity are arranged in the MCC room.
As a further improvement of the technical scheme of the invention, a transfer cabinet is arranged between the GEN generator control cabinet and the rectifier cabinet.
As a further improvement of the technical scheme of the invention, the cable in the GEN generator control cabinet adopts an upper outgoing line mode, the cable in the rectifier cabinet adopts a lower incoming line mode, and the main loop in the switching cabinet adopts a switching mode from top to bottom.
As a further improvement of the technical scheme of the invention, a 24-pulse rectification circuit is adopted by a rectification unit in the rectification cabinet.
As a further improvement of the technical scheme of the invention, the GEN generator control cabinet, the AUX GEN auxiliary generator control cabinet, the 24V power supply cabinet and the feed cabinet form a generator control system, and the diesel engine is controlled to obtain a 600V/50Hz frequency-stabilized and voltage-stabilized alternating current power supply.
As a further improvement of the technical scheme of the invention, a rectifying unit in the rectifying cabinet rectifies alternating current into direct current to provide direct current power for an MP inverter cabinet, an RT inverter cabinet and a winch inverter cabinet.
As a further improvement of the technical scheme of the invention, the VFD room and the MCC room are respectively provided with an air conditioning system, a lighting lamp, an emergency lamp, a smoke alarm controller and a fire extinguisher.
As a further improvement of the technical scheme of the invention, bus copper bars are arranged among the rectifier cabinet, the MP inverter cabinet, the RT inverter cabinet and the winch inverter cabinet by adopting a bus bridge structure.
The electric control room for the electric drive system equipment of the oil field drilling machine adopts a high-voltage power grid for power supply, and reduces the energy consumption cost compared with the emission of nitrogen oxides and carbon oxides which are almost zero in a conventional diesel/natural gas engine; compared with a diesel generator set, the electric control room of the drilling machine electric driving system can effectively reduce the occupied area of a well site and has higher automation degree; the winch frequency conversion speed regulation system of the drilling machine electric driving system has an automatic bit feeding function, so that the product configuration of an automatic bit feeding cabinet can be reduced, and the product cost of the system is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic layout of the VFD house.
Fig. 2 is a schematic layout of the MCC room.
In the figure: the system comprises a 1-VFD room, a 101-GEN motor control cabinet, a 102-AUX GEN auxiliary generator control cabinet, a 103-feed cabinet, a 104-24V power supply cabinet, a 105-first power distribution cabinet, a 106-rectifier cabinet, a 107-MP inverter cabinet, a 108-RT inverter cabinet, a 109-winch inverter cabinet, a 110-brake cabinet, a 111-PLC cabinet, a 112-first wiring cavity, a 113-switching cabinet, a 114-indoor unit, an 115-outdoor unit, a 2-MCC room, a 201-second power distribution cabinet, a 202-400V wire outlet cabinet, a 203-data monitoring cabinet, a 204-winch brake cabinet 204, a 205-AD brake, a 206-second wiring cavity, a 207-indoor hanging machine and a 208-outdoor air conditioner.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention provides a specific embodiment of an electric control room for electric drive system equipment of an oilfield drilling machine, which comprises a VFD room 1 and an MCC room 2;
as shown in fig. 1, four GEN generator control cabinets 101, an AUX GEN auxiliary generator control cabinet 102, a feeding cabinet 103, a 24V power supply cabinet 104, three first power distribution cabinets 105, two rectifier cabinets 106, three MP inverter cabinets 107 (slurry pump inverter cabinets), an RT inverter cabinet 108 (rotary table inverter cabinet), two winch inverter cabinets 109, a brake cabinet 110, a PLC cabinet 111, and a first wiring cavity 112 are arranged in the VFD room 1;
as shown in fig. 2, three second power distribution cabinets 201, a 400V outgoing line cabinet 202, a data monitoring cabinet 203, a winch brake cabinet 204, an AD brake cabinet 205, and a second wiring chamber 206 are disposed in the MCC room 2.
In this embodiment, the drilling machine electric drive system includes a generator control system, a variable frequency transmission system, a driller control operation system, a PLC bus system, and an MCC power distribution system.
The GEN generator control cabinet 101, the AUX GEN auxiliary generator control cabinet 102, the 24V power supply cabinet 104 and the feed cabinet 103 form a generator control system, and a diesel engine is controlled to obtain a 600V/50Hz frequency and voltage stabilizing alternating current power supply so as to provide a power supply for a well site.
The variable frequency transmission system, the driller control operation system and the PLC bus system complete a logic control function, a protection function, a monitoring function and other auxiliary functions.
In addition, the rectifier cabinet 106, the inverter cabinets (MP inverter cabinet 107, RT inverter cabinet 108, winch inverter cabinet 109), the brake cabinet 110, the winch brake cabinet 204, and the AD brake cabinet 205 (including a brake unit and a brake resistor) form a variable frequency drive system. The frequency conversion transmission system serving as the core part of the whole electric drive system adopts an advanced digital control technology, adopts a multi-transmission system and common direct current bus mode, and comprises a rectifying unit and an inverting unit. The rectifying unit in the rectifying cabinet 106 rectifies the alternating current into direct current to provide a direct current power supply for the MP inverter cabinet 107, the RT inverter cabinet 108 and the winch inverter cabinet 109. And a power supply is provided for the corresponding alternating current variable frequency motor through the inverter unit, so that the drilling operation is carried out. Meanwhile, the frequency conversion technology and the full digital control technology of the winch inverter cabinet are utilized to realize automatic bit feeding of the drilling machine, the variable frequency speed regulating system reversely drags the roller according to the set constant torque during bit feeding, the speed is automatically followed, and the purpose of constant-pressure and stable-speed bit feeding is achieved. The electric drive system of the whole drilling machine further has an energy consumption braking function, namely, the drilling tool is lowered to enable the winch motor to work in a power generation state, a braking torque is formed, and lowering energy of the drilling tool is converted into heat energy through each inversion cabinet and each braking cabinet to be consumed, so that the drilling tool is stably lowered.
Wherein, the feeding cabinet 103 has a transformer incoming switch and a top drive power supply switch.
The PLC bus system comprises a PLC main station, frequency conversion cabinet communication boards, driller PLC substations, a data monitoring system and the like. The PLC rack 111 and the data monitoring rack 203 in this embodiment belong to a PLC bus system.
In this embodiment, a junction cabinet 113 is installed between the GEN generator control cabinet 101 and the rectifier cabinet 106. The cable in the GEN generator control cabinet 101 adopts an upper outgoing line mode, the cable in the rectifier cabinet 106 adopts a lower incoming line mode, and the main loop in the switching cabinet 113 adopts a switching mode from top to bottom. A plurality of cables are difficult to lay in the limited space of the GEN generator control cabinet 101 and the rectifying cabinet 106, and the main loop is switched from top to bottom by adopting copper bars which are in accordance with the parameter specification in the switching cabinet 113.
The rectification unit of the variable frequency transmission system adopts a rectification cabinet 106, and the rectification unit in the rectification cabinet 106 adopts a 24-pulse rectification circuit. In order to reduce harmonic distortion of network side current, a 24-pulse rectification loop is adopted, and low-order harmonics generated by a 24-pulse diode rectifier are mutually offset by combining with a phase-shifting transformer at the front end, so that the drilling machine system is in a rated power operation state, the network side harmonic is not more than 5%, and the requirement of a power grid on the harmonic is met.
Further, the VFD room 1 and the MCC room 2 are both provided with an air conditioning system, a lighting lamp, an emergency lamp, a smoke alarm controller and a fire extinguisher. Specifically, as shown in fig. 1, the VFD room 1 is equipped with two indoor units 114 and two outdoor units 115. The air conditioning system has a low-temperature protection function and is suitable for running in a low-temperature environment above-30 ℃; the drilling machine system automatically enters a protection state in a low-temperature environment, the drilling machine system is not allowed to be started, and meanwhile, an electric heater in the air conditioning system is started to realize a preheating function.
As shown in fig. 2, the AD brake cabinet 205 is disposed above the winch brake cabinet 204. The MCC room 2 is provided with one indoor hanging machine 207 and two outdoor air conditioners 208. And two outdoor air conditioners 208 are disposed above the winch brake cabinet 204.
As shown in fig. 2, a data monitoring cabinet 203 is installed in the MCC room 2. As drillers mainly complete operation on the derrick, the operation state of the whole drilling machine is monitored and operation data are recorded conveniently by non-drillers, safe and reliable remote monitoring is realized, system faults are intelligently pre-judged through data analysis, part replacement reminding is realized, decision is quickly made, the effectiveness and the uninterrupted type of drilling operation are ensured, and the drilling operation efficiency is improved.
During specific application, the cross-over bus current between the rectifier cabinet 106 and the MP inverter cabinet 107, the RT inverter cabinet 108 and the winch inverter cabinet 109 is large, the number of high-voltage cables is large, the wire diameter is thick, the high-voltage cables are difficult to lay and install, in order to solve the problems, a bus bridge structure form is adopted, a bus copper bar is installed inside a bus bridge, electrical insulation is well made between the busbars, and the size of the installation space of the whole cross-over bus is reduced by 30%.
Further, the wiring cavities in this embodiment are used for the ingress and egress wiring of the VFD room 1 and the MCC room 2, respectively.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An electric control room for electric drive system equipment of an oilfield drilling machine is characterized by comprising a VFD room (1) and an MCC room (2);
at least one GEN generator control cabinet (101), an AUX GEN auxiliary generator control cabinet (102), a feed cabinet (103), a 24V power supply cabinet (104), at least one first power distribution cabinet (105), at least one rectifier cabinet (106), at least one MP inverter cabinet (107), an RT inverter cabinet (108), at least one winch inverter cabinet (109), a brake cabinet (110), a PLC cabinet (111) and a first wiring cavity (112) are arranged in the VFD room (1);
at least one second power distribution cabinet (201), a 400V outgoing line cabinet (202), a data monitoring cabinet (203), a winch brake cabinet (204), an AD brake cabinet (205) and a second wiring cavity (206) are arranged in the MCC room (2).
2. The electric control room for the electric drive system equipment of the oilfield drilling machines according to claim 1, characterized in that a transfer cabinet (113) is installed between the GEN generator control cabinet (101) and the rectifier cabinet (106).
3. The electric control room for the electric drive system equipment of the oilfield drilling machine as defined in claim 2, wherein the cable in the GEN generator control cabinet (101) is in an upward outgoing line mode, the cable in the rectifier cabinet (106) is in a downward incoming line mode, and the main loop in the switch cabinet (113) is in a top-down switching mode.
4. The electric control room for electric drive system equipment of oil field drilling machines according to claim 1 or 2, characterized in that the rectification unit in the rectification cabinet (106) adopts a 24-pulse rectification circuit.
5. The electric control room for the electric drive system equipment of the oilfield drillers as defined in claim 1 or 2, wherein the GEN generator control cabinet (101), the AUX GEN auxiliary generator control cabinet (102), the 24V power supply cabinet (104) and the feed cabinet (103) form a generator control system for controlling the diesel engine to obtain a 600V/50Hz frequency/voltage stabilized alternating current power supply.
6. The electric control room for the electric drive system equipment of the oilfield drilling machines as defined in claim 1 or 2, wherein the rectifying unit in the rectifying cabinet (106) rectifies alternating current into direct current to provide direct current power for the MP inverter cabinet (107), the RT inverter cabinet (108) and the winch inverter cabinet (109).
7. An electric control room for oil field drilling rig electric drive system equipment according to claim 1 or 2, characterized in that the VFD room (1) and the MCC room (2) are equipped with air conditioning system, lights, emergency lights, smoke alarm control, fire extinguishers.
8. The electric control room for the electric drive system equipment of the oilfield drilling machine as claimed in claim 6, wherein a bus bar copper bar is installed between the rectifier cabinet (106) and the MP inverter cabinet (107), the RT inverter cabinet (108) and the winch inverter cabinet (109) by adopting a bus bar bridge structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110908723.1A CN113594906A (en) | 2021-08-09 | 2021-08-09 | Electric control room for electric drive system equipment of oil field drilling machine |
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| CN202110908723.1A CN113594906A (en) | 2021-08-09 | 2021-08-09 | Electric control room for electric drive system equipment of oil field drilling machine |
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2021
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| CN202157796U (en) * | 2011-07-26 | 2012-03-07 | 四川中曼电气工程技术有限公司 | Electric control system for drilling machine |
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| US20200109617A1 (en) * | 2018-10-09 | 2020-04-09 | U.S. Well Services, LLC | Modular switchgear system and power distribution for electric oilfield equipment |
| CN210724620U (en) * | 2019-10-29 | 2020-06-09 | 中车永济电机有限公司 | High-power shale oil and gas exploitation electric control room |
| CN212846477U (en) * | 2020-09-02 | 2021-03-30 | 中国石油天然气集团有限公司 | Electric control device of petroleum drilling machine |
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Application publication date: 20211102 |