CN103647494B - The control system of a kind of real time record and control oil pumper attitude - Google Patents

The control system of a kind of real time record and control oil pumper attitude Download PDF

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Publication number
CN103647494B
CN103647494B CN201310665423.0A CN201310665423A CN103647494B CN 103647494 B CN103647494 B CN 103647494B CN 201310665423 A CN201310665423 A CN 201310665423A CN 103647494 B CN103647494 B CN 103647494B
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circuit
synchronous
motor rotor
signal input
sucker rod
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CN103647494A (en
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李凉
杜红斌
王庆海
王君
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Daqing Oilfield Automation Instruments Co Ltd
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Daqing Oilfield Automation Instruments Co Ltd
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Abstract

A control system for real time record and control oil pumper attitude, relates to oil pumper control field.The machinery adjustment solving oil pumper mostly is manual operation, and regulation time is long, response speed is slow, oil extraction operation normally cannot be carried out, and then cause the inefficient problem of pumping production.The angular transducer of described control system is fixedly mounted on the frame fulcrum of oil pumper, for detecting the pendulum angle of sucker rod, and detection signal is sent to AC servo control system, the control signal output of AC servo control system is connected with the control signal input of synchronous machine, the synchronous machine three-phase current detection signal input part of AC servo control system is connected with the three-phase current detection signal output part of synchronous machine, motor encoder is for detecting synchronous motor rotor position, rotor speed and rotor direction, the clutch end of synchronous machine drives sucker rod to swing by transmission mechanism.The present invention is applicable to swing the sucker rod of oil pumper control.

Description

The control system of a kind of real time record and control oil pumper attitude
Technical field
The present invention relates to oil pumper control field.
Background technology
It is main that current oil oil production method mostly is ground oil pumper.And the control of oil pumper also adopts manual operation more, namely personnel are also analyzed to every a bite oil well acquisition merit figure, and then manually carry out corresponding machinery adjustment, waste time and energy, also slowly, control efficiency is lower, affects final oil recovery efficiency for response speed.
Summary of the invention
The present invention mostly is manual operation in order to the machinery adjustment solving oil pumper, and regulation time is long, response speed slow, and then causes the inefficient problem of pumping production, proposes a kind of real time record and controls the control system of oil pumper attitude.
The control system of a kind of real time record and control oil pumper attitude comprises angular transducer, synchronous machine, AC servo control system and motor encoder, described angular transducer is fixedly mounted on the frame fulcrum of oil pumper, for detecting the pendulum angle of sucker rod, the sucker rod pendulum angle detection signal input of AC servo control system is connected with the sucker rod pendulum angle detection signal output of angular transducer, the control signal output of AC servo control system is connected with the control signal input of synchronous machine, the synchronous machine three-phase current detection signal input part of AC servo control system is connected with the three-phase current detection signal output part of synchronous machine, motor encoder is for detecting synchronous motor rotor position, rotor speed and rotor direction, the synchronous motor rotor position detection signal output of described motor encoder is connected with the synchronous motor rotor position detection signal input of AC servo control system, synchronous electric motor rotor rotating speed and the angle detecting signal input part of the synchronous electric motor rotor rotating speed of motor encoder and angle detecting signal output part and AC servo control system are connected, the clutch end of synchronous machine drives sucker rod to swing by transmission mechanism.
Described AC servo control system 3 comprises sucker rod pendulum angle testing circuit, sucker rod pendulum angle preinstalled circuit, sucker rod pendulum angle comparison circuit, synchronous electric motor rotor rotating speed and direction preinstalled circuit, synchronous electric motor rotor rotating speed and direction comparison circuit, synchronous electric motor rotor rotating speed and angle detecting circuit, synchronous machine vector current preinstalled circuit, synchronous machine vector current comparison circuit, synchronous machine three-phase current detection circuit, synchronous motor rotor position testing circuit, current phasor translation circuit, signal modulation circuit and data processing circuit
The sucker rod pendulum angle detection signal input of sucker rod pendulum angle testing circuit is connected with the sucker rod pendulum angle detection signal output of angular transducer as the sucker rod pendulum angle detection signal input of AC servo control system,
The sucker rod pendulum angle detection signal output of sucker rod pendulum angle testing circuit is connected with the sucker rod pendulum angle detection signal input of sucker rod pendulum angle comparison circuit,
The sucker rod pendulum angle preset signals output of sucker rod pendulum angle preinstalled circuit is connected with the sucker rod pendulum angle preset signals input of sucker rod pendulum angle comparison circuit,
The signal output part of sucker rod pendulum angle comparison circuit is connected with the sucker rod pendulum angle difference signal input of signal modulation circuit,
Synchronous electric motor rotor rotating speed and the direction preset signals input of the synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and direction preinstalled circuit and direction preset signals output and synchronous electric motor rotor rotating speed and direction comparison circuit are connected,
The synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and angle detecting circuit and angle detecting signal input part are connected with the synchronous electric motor rotor rotating speed of motor encoder and angle detecting signal input part as synchronous electric motor rotor rotating speed and the angle detecting signal input part of AC servo control system
Synchronous electric motor rotor rotating speed and the angle detecting signal input part of the synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and angle detecting circuit and angle detecting signal output part and synchronous electric motor rotor rotating speed and direction comparison circuit are connected,
The synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and direction comparison circuit and direction ratio compared with the synchronous electric motor rotor rotating speed of signal output part and signal modulation circuit and direction ratio comparatively signal input part be connected,
The synchronous motor rotor position detection signal input of synchronous motor rotor position testing circuit is connected with the synchronous motor rotor position detection signal output of motor encoder as the synchronous motor rotor position detection signal input of AC servo control system,
The synchronous motor rotor position detection signal output of synchronous motor rotor position testing circuit is connected with the synchronous motor rotor position detection signal input of current phasor translation circuit,
The synchronous machine three-phase current detection signal input part of synchronous machine three-phase current detection circuit is connected with the three-phase current detection signal output part of synchronous machine as the synchronous machine three-phase current detection signal input part of AC servo control system,
The synchronous machine three-phase current detection signal output part of synchronous machine three-phase current detection circuit is connected with the synchronous machine three-phase current detection signal input part of current phasor translation circuit,
The current phasor figure signal output of current phasor translation circuit is connected with the current phasor figure signal input of synchronous machine vector current comparison circuit,
The synchronous machine vector current preset signals output of synchronous machine vector current preinstalled circuit is connected with the synchronous machine vector current preset signals input of synchronous machine vector current comparison circuit,
The synchronous machine vector current comparison signal output of synchronous machine vector current comparison circuit is connected with the synchronous machine vector current comparison signal input of signal modulation circuit,
The modulation signal output of signal modulation circuit is connected with the modulation signal input of data processing circuit,
The control signal output of data processing circuit is connected with the control signal input of synchronous machine as the control signal output of AC servo control system.
Beneficial effect: the angular transducer described in the present invention detects the pendulum angle of the sucker rod of oil pumper in real time, motor encoder is in real time to rotor speed and the direction of synchronous machine, the vector current of synchronous machine detects, testing result is sent into AC servo control system simultaneously, this AC servo control system by the result after testing result is compared with preset value after treatment, again according to the rotor of result control synchronization motor, sucker rod work is driven by synchronous machine, the real-time detection and control to sucker rod is realized with the data processing method of reaction type, make oil pumper carry out machinery adjustment time avoid manual operation due to regulation time long, the problem that response speed is slow, and then make oil recovery efficiency improve more than 5%, present invention also offers the oil pumping merit figure generative circuit can analyzed oil pumper operating attitude for technical staff, technical staff is enable to understand the working condition of oil pumper.
Accompanying drawing explanation
Fig. 1 is arranged on the position view of oil pumper for the angular transducer 1 described in embodiment one, synchronous machine 2 and AC servo control system 3;
Fig. 2 is the electrical structure schematic diagram of a kind of real time record of the present invention and the control system controlling oil pumper attitude.
Embodiment
Embodiment one, composition graphs 1 and Fig. 2 illustrate this embodiment, the control system of a kind of real time record described in this embodiment and control oil pumper attitude comprises angular transducer 1, synchronous machine 2, AC servo control system 3 and motor encoder 4, described angular transducer 1 is fixedly mounted on the frame fulcrum of oil pumper, for detecting the pendulum angle of sucker rod, the sucker rod pendulum angle detection signal input of AC servo control system 3 is connected with the sucker rod pendulum angle detection signal output of angular transducer 1, the control signal output of AC servo control system 3 is connected with the control signal input of synchronous machine 2, the synchronous machine three-phase current detection signal input part of AC servo control system 3 is connected with the three-phase current detection signal output part of synchronous machine 2, motor encoder 4 is for detecting synchronous machine 2 rotor-position, rotor speed and rotor direction, the synchronous motor rotor position detection signal output of described motor encoder 4 is connected with the synchronous motor rotor position detection signal input of AC servo control system 3, synchronous electric motor rotor rotating speed and the angle detecting signal input part of the synchronous electric motor rotor rotating speed of motor encoder 4 and angle detecting signal output part and AC servo control system 3 are connected, the clutch end of synchronous machine 2 drives sucker rod to swing by transmission mechanism.
Embodiment two, composition graphs 2 illustrates this embodiment, this embodiment is with the difference of a kind of real time record described in embodiment one with the control system controlling oil pumper attitude, described AC servo control system 3 comprises sucker rod pendulum angle testing circuit 3-9, sucker rod pendulum angle preinstalled circuit 3-2, sucker rod pendulum angle comparison circuit 3-10, synchronous electric motor rotor rotating speed and direction preinstalled circuit 3-3, synchronous electric motor rotor rotating speed and direction comparison circuit 3-11, synchronous electric motor rotor rotating speed and angle detecting circuit 3-4, synchronous machine vector current preinstalled circuit 3-5, synchronous machine vector current comparison circuit 3-12, synchronous machine three-phase current detection circuit 3-6, synchronous motor rotor position testing circuit 3-8, current phasor translation circuit 3-13, signal modulation circuit 3-14 and data processing circuit 3-15,
The sucker rod pendulum angle detection signal input of sucker rod pendulum angle testing circuit 3-9 is connected with the sucker rod pendulum angle detection signal output of angular transducer 1 as the sucker rod pendulum angle detection signal input of AC servo control system 3,
The sucker rod pendulum angle detection signal output of sucker rod pendulum angle testing circuit 3-9 is connected with the sucker rod pendulum angle detection signal input of sucker rod pendulum angle comparison circuit 3-10,
The sucker rod pendulum angle preset signals output of sucker rod pendulum angle preinstalled circuit 3-2 is connected with the sucker rod pendulum angle preset signals input of sucker rod pendulum angle comparison circuit 3-10,
The signal output part of sucker rod pendulum angle comparison circuit 3-10 is connected with the sucker rod pendulum angle difference signal input of signal modulation circuit 3-14,
Synchronous electric motor rotor rotating speed and the direction preset signals input of the synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and direction preinstalled circuit 3-3 and direction preset signals output and synchronous electric motor rotor rotating speed and direction comparison circuit 3-11 are connected,
The synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and angle detecting circuit 3-4 and angle detecting signal input part are connected with the synchronous electric motor rotor rotating speed of motor encoder 4 and angle detecting signal input part as synchronous electric motor rotor rotating speed and the angle detecting signal input part of AC servo control system 3
Synchronous electric motor rotor rotating speed and the angle detecting signal input part of the synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and angle detecting circuit 3-4 and angle detecting signal output part and synchronous electric motor rotor rotating speed and direction comparison circuit 3-11 are connected,
The synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and direction comparison circuit 3-11 and direction ratio compared with the synchronous electric motor rotor rotating speed of signal output part and signal modulation circuit 3-14 and direction ratio comparatively signal input part be connected,
The synchronous motor rotor position detection signal input of synchronous motor rotor position testing circuit 3-8 is connected with the synchronous motor rotor position detection signal output of motor encoder 4 as the synchronous motor rotor position detection signal input of AC servo control system 3
The synchronous motor rotor position detection signal output of synchronous motor rotor position testing circuit 3-8 is connected with the synchronous motor rotor position detection signal input of current phasor translation circuit 3-13,
The synchronous machine three-phase current detection signal input part of synchronous machine three-phase current detection circuit 3-6 is connected with the three-phase current detection signal output part of synchronous machine 2 as the synchronous machine three-phase current detection signal input part of AC servo control system 3,
The synchronous machine three-phase current detection signal output part of synchronous machine three-phase current detection circuit 3-6 is connected with the synchronous machine three-phase current detection signal input part of current phasor translation circuit 3-13,
The current phasor figure signal output of current phasor translation circuit 3-13 is connected with the current phasor figure signal input of synchronous machine vector current comparison circuit 3-12,
The synchronous machine vector current preset signals output of synchronous machine vector current preinstalled circuit 3-5 is connected with the synchronous machine vector current preset signals input of synchronous machine vector current comparison circuit 3-12,
The synchronous machine vector current comparison signal output of synchronous machine vector current comparison circuit 3-12 is connected with the synchronous machine vector current comparison signal input of signal modulation circuit 3-14,
The modulation signal output of signal modulation circuit 3-14 is connected with the modulation signal input of data processing circuit 3-15,
The control signal output of data processing circuit 3-15 is connected with the control signal input of synchronous machine 2 as the control signal output of AC servo control system 3
Embodiment three, composition graphs 2 illustrate this embodiment, this embodiment is with the difference of a kind of real time record described in embodiment two with the control system controlling oil pumper attitude, described AC servo control system 3 also comprises cycle period testing circuit 3-17 and oil pumping merit figure generative circuit 3-16
The cycle period that cycle period testing circuit 3-6 moves for detecting sucker rod,
The cycle period detection signal output of cycle period testing circuit 3-6 is connected with the cycle period detection signal input of data processing circuit 3-8,
The oil pumping merit figure composite signal output of data processing circuit 3-8 is connected with the oil pumping merit figure composite signal input of oil pumping merit figure combiner circuit 3-11.
Cycle period testing circuit 3-17 and oil pumping merit figure generative circuit 3-16 is added in present embodiment, cycle period testing circuit 3-17 is by detecting the period of motion of sucker rod, data processing circuit 3-8 sends to synthesis oil pumping merit figure in oil pumping merit figure generative circuit 3-16 after processing the operating attitude in sucker rod different motion cycle, makes technical staff pass through oil pumping merit figure and grasps and understand the instantaneous operating conditions of oil pumper.
The difference of a kind of real time record described in embodiment four, this embodiment and embodiment one and the control system that controls oil pumper attitude is, described angular transducer 1 adopts model to be the angular transducer of Sick-SRS50.

Claims (3)

1. the control system of a real time record and control oil pumper attitude, it comprises angular transducer (1), synchronous machine (2), AC servo control system (3) and motor encoder (4), described angular transducer (1) is fixedly mounted on the frame fulcrum of oil pumper, for detecting the pendulum angle of sucker rod, the sucker rod pendulum angle detection signal input of AC servo control system (3) is connected with the sucker rod pendulum angle detection signal output of angular transducer (1), the control signal output of AC servo control system (3) is connected with the control signal input of synchronous machine (2), the synchronous machine three-phase current detection signal input part of AC servo control system (3) is connected with the three-phase current detection signal output part of synchronous machine (2), motor encoder (4) is for detecting synchronous machine (2) rotor-position, rotor speed and rotor direction, the synchronous motor rotor position detection signal output of described motor encoder (4) is connected with the synchronous motor rotor position detection signal input of AC servo control system (3), synchronous electric motor rotor rotating speed and the angle detecting signal input part of the synchronous electric motor rotor rotating speed of motor encoder (4) and angle detecting signal output part and AC servo control system (3) are connected, the clutch end of synchronous machine (2) drives sucker rod to swing by transmission mechanism,
It is characterized in that, described AC servo control system (3) comprises sucker rod pendulum angle testing circuit (3-9), sucker rod pendulum angle preinstalled circuit (3-2), sucker rod pendulum angle comparison circuit (3-10), synchronous electric motor rotor rotating speed and direction preinstalled circuit (3-3), synchronous electric motor rotor rotating speed and direction comparison circuit (3-11), synchronous electric motor rotor rotating speed and angle detecting circuit (3-4), synchronous machine vector current preinstalled circuit (3-5), synchronous machine vector current comparison circuit (3-12), synchronous machine three-phase current detection circuit (3-6), synchronous motor rotor position testing circuit (3-8), current phasor translation circuit (3-13), signal modulation circuit (3-14) and data processing circuit (3-15),
The sucker rod pendulum angle detection signal input of sucker rod pendulum angle testing circuit (3-9) is connected with the sucker rod pendulum angle detection signal output of angular transducer (1) as the sucker rod pendulum angle detection signal input of AC servo control system (3)
The sucker rod pendulum angle detection signal output of sucker rod pendulum angle testing circuit (3-9) is connected with the sucker rod pendulum angle detection signal input of sucker rod pendulum angle comparison circuit (3-10),
The sucker rod pendulum angle preset signals output of sucker rod pendulum angle preinstalled circuit (3-2) is connected with the sucker rod pendulum angle preset signals input of sucker rod pendulum angle comparison circuit (3-10),
The signal output part of sucker rod pendulum angle comparison circuit (3-10) is connected with the sucker rod pendulum angle difference signal input of signal modulation circuit (3-14),
Synchronous electric motor rotor rotating speed and the direction preset signals input of the synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and direction preinstalled circuit (3-3) and direction preset signals output and synchronous electric motor rotor rotating speed and direction comparison circuit (3-11) are connected
The synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and angle detecting circuit (3-4) and angle detecting signal input part are connected with the synchronous electric motor rotor rotating speed of motor encoder (4) and angle detecting signal input part as synchronous electric motor rotor rotating speed and the angle detecting signal input part of AC servo control system (3)
Synchronous electric motor rotor rotating speed and the angle detecting signal input part of the synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and angle detecting circuit (3-4) and angle detecting signal output part and synchronous electric motor rotor rotating speed and direction comparison circuit (3-11) are connected
The synchronous electric motor rotor rotating speed of synchronous electric motor rotor rotating speed and direction comparison circuit (3-11) and direction ratio comparatively the synchronous electric motor rotor rotating speed of signal output part and signal modulation circuit (3-14) and direction ratio comparatively signal input part be connected,
The synchronous motor rotor position detection signal input of synchronous motor rotor position testing circuit (3-8) is connected with the synchronous motor rotor position detection signal output of motor encoder (4) as the synchronous motor rotor position detection signal input of AC servo control system (3)
The synchronous motor rotor position detection signal output of synchronous motor rotor position testing circuit (3-8) is connected with the synchronous motor rotor position detection signal input of current phasor translation circuit (3-13),
The synchronous machine three-phase current detection signal input part of synchronous machine three-phase current detection circuit (3-6) is connected with the three-phase current detection signal output part of synchronous machine (2) as the synchronous machine three-phase current detection signal input part of AC servo control system (3)
The synchronous machine three-phase current detection signal output part of synchronous machine three-phase current detection circuit (3-6) is connected with the synchronous machine three-phase current detection signal input part of current phasor translation circuit (3-13),
The current phasor figure signal output of current phasor translation circuit (3-13) is connected with the current phasor figure signal input of synchronous machine vector current comparison circuit (3-12),
The synchronous machine vector current preset signals output of synchronous machine vector current preinstalled circuit (3-5) is connected with the synchronous machine vector current preset signals input of synchronous machine vector current comparison circuit (3-12),
The synchronous machine vector current comparison signal output of synchronous machine vector current comparison circuit (3-12) is connected with the synchronous machine vector current comparison signal input of signal modulation circuit (3-14),
The modulation signal output of signal modulation circuit (3-14) is connected with the modulation signal input of data processing circuit (3-15),
The control signal output of data processing circuit (3-15) is connected with the control signal input of synchronous machine (2) as the control signal output of AC servo control system (3).
2. the control system of a kind of real time record according to claim 1 and control oil pumper attitude, it is characterized in that, described AC servo control system (3) also comprises cycle period testing circuit (3-17) and oil pumping merit figure generative circuit (3-16)
The cycle period that cycle period testing circuit (3-6) moves for detecting sucker rod,
The cycle period detection signal output of cycle period testing circuit (3-6) is connected with the cycle period detection signal input of data processing circuit (3-8),
The oil pumping merit figure composite signal output of data processing circuit (3-8) is connected with the oil pumping merit figure composite signal input of oil pumping merit figure combiner circuit (3-11).
3. the control system of a kind of real time record according to claim 1 and control oil pumper attitude, it is characterized in that, described angular transducer (1) adopts model to be the angular transducer of Sick-SRS50.
CN201310665423.0A 2013-12-10 2013-12-10 The control system of a kind of real time record and control oil pumper attitude Active CN103647494B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220440A (en) * 1979-04-06 1980-09-02 Superior Electric Supply Co. Automatic load seeking control for a pumpjack motor
US4508487A (en) * 1979-04-06 1985-04-02 Cmd Enterprises, Inc. Automatic load seeking control for a pumpjack motor
CN101029639A (en) * 2007-04-02 2007-09-05 济南新吉纳远程测控有限公司 Method for measuring pumping-unit workdone graphic in oil field
CN203788120U (en) * 2013-09-13 2014-08-20 天津永磁节能科技有限公司 Permanent-magnet speed-regulating energy-saving device for oil pumping unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220440A (en) * 1979-04-06 1980-09-02 Superior Electric Supply Co. Automatic load seeking control for a pumpjack motor
US4508487A (en) * 1979-04-06 1985-04-02 Cmd Enterprises, Inc. Automatic load seeking control for a pumpjack motor
CN101029639A (en) * 2007-04-02 2007-09-05 济南新吉纳远程测控有限公司 Method for measuring pumping-unit workdone graphic in oil field
CN203788120U (en) * 2013-09-13 2014-08-20 天津永磁节能科技有限公司 Permanent-magnet speed-regulating energy-saving device for oil pumping unit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
抽油机用新型永磁电动机控制系统研究;董学明;《中国优秀硕士学位论文全文数据库》;20060815;第29页 *

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