CN103338001A - Method for identifying resistor parameter of stator of wound rotor type motor - Google Patents
Method for identifying resistor parameter of stator of wound rotor type motor Download PDFInfo
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- CN103338001A CN103338001A CN201310242790XA CN201310242790A CN103338001A CN 103338001 A CN103338001 A CN 103338001A CN 201310242790X A CN201310242790X A CN 201310242790XA CN 201310242790 A CN201310242790 A CN 201310242790A CN 103338001 A CN103338001 A CN 103338001A
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Abstract
The invention discloses a method for identifying the resistor parameter of the stator of a wound rotor type motor. The method comprises the following steps: opening the circuit of the rotor winding of the wound rotor type electric motor; adopting a stator current control unit to output a control signal that the current of the q axis of the stator is 0 and the current of the d axis of the stator is a constant; adopting a power drive unit to receive the control signal and output a drive current; adopting the stator winding of the wound rotor type motor to receive the drive current; adopting a voltage sensor to measure the stator winding of the wound rotor type motor to obtain a voltage signal of the d axis of the stator; adopting an identification unit to receive the control signal and the voltage signal of the d axis of the stator, and using the voltage of the d axis of the stator to be divided by the current of the d axis of the stator to obtain the resistor parameter of the stator. According to the method, cumbersome work and errors, caused by manual identification, can be eliminated; the method is simple in computation and spends less time in identification.
Description
Technical field
The present invention relates to a kind of wound-rotor motor parameter identification method, relate in particular to a kind of wound-rotor motor stator resistance parameter identification method.
Background technology
Wound-rotor motor is widely used in elevator, crane, tower crane etc. to be needed heavy-load start and needs in the place of speed governing.Vector control technology can make wound-rotor motor obtain the transient response characteristic consistent with separately excited DC machine, realizes the quick response of load disturbance and reference value variation has been obtained extensive use.The design of the analysis on Operating of wound-rotor motor vector control and high performance control system all needs the stator resistance parameter of knowing that accurately Wound-rotor type is electronic.Yet stator resistance parameter producer does not generally provide.Even producer can provide, owing to generate the influence of various factorss such as material, assembly technology, also can there be certain difference in the parameter between same batch, same model motor.Therefore, be necessary to seek the discrimination method quick and precisely of wound-rotor motor stator resistance parameter.At present, known prior art is the stator resistance parameter that obtains wound-rotor motor by stall and no load test.Therefore, the identification time of prior art is long, workload is bigger, is subject to operating personnel's subjective factor influence, and most uses scene do not have this actual measurement condition, has increased the application difficulty of vector control.Therefore, the stator resistance parameter of identification wound-rotor motor how fast and accurately, becoming prior art has problem to be solved.
Summary of the invention
The objective of the invention is the defective at the prior art existence, propose a kind of wound-rotor motor stator resistance parameter identification method.
Wound-rotor motor stator resistance parameter identification method of the present invention comprises the following steps:
Step 1: wound-rotor motor rotor winding is opened a way;
Step 2: adopting stator current control unit output stator q shaft current is 0, and stator d shaft current is the control signal of a constant;
Stator d shaft current in the control signal is less than the rated current of wound-rotor motor.
Step 3: adopt power drive unit to receive described control signal output driving current;
Drive current is less than the rated current of wound-rotor motor.
Step 4: adopt the wound-rotor motor stator winding to receive described drive current;
Step 5: adopt voltage sensor to measure the wound-rotor motor stator winding and obtain stator d shaft voltage signals;
Step 6: adopt identification unit to receive described control signal and stator d shaft voltage signals, and with stator d shaft voltage divided by stator d shaft current, obtain the stator resistance parameter.
The present invention can save Artificial Cognition's loaded down with trivial details work and the error that causes thus, and calculates simply, and the identification time is few.
Description of drawings
Fig. 1 is identification system block diagram of the present invention.
Embodiment
As shown in Figure 1.Wound-rotor motor stator resistance parameter identification of the present invention system, comprise stator current control unit 101, power drive unit 102, wound-rotor motor stator winding 103, wound-rotor motor rotor winding 104, voltage sensor 105 and identification unit 106, wherein the output of stator current control unit 101 respectively with the input of power drive unit 102, an input of identification unit 106 connects, the input of the output termination wound-rotor motor stator winding 103 of power drive unit 102, the input of the output termination voltage sensor 105 of wound-rotor motor stator winding 103, another input of the output termination identification unit 106 of voltage sensor 105.
Narrate wound-rotor motor stator resistance parameter identification method of the present invention in conjunction with Fig. 1, comprise the following steps:
Step 1: wound-rotor motor rotor winding is opened a way;
Step 2: adopting stator current control unit output stator q shaft current is 0, and stator d shaft current is the control signal of a constant;
Stator d shaft current in the control signal is less than the rated current of wound-rotor motor.
Step 3: adopt power drive unit to receive described control signal output driving current;
Drive current is less than the rated current of wound-rotor motor.
Step 4: adopt the wound-rotor motor stator winding to receive described drive current;
Step 5: adopt voltage sensor to measure the wound-rotor motor stator winding and obtain stator d shaft voltage signals;
Step 6: adopt identification unit to receive described control signal and stator d shaft voltage signals, and with stator d shaft voltage divided by stator d shaft current, obtain the stator resistance parameter.
Claims (3)
1. a wound-rotor motor stator resistance parameter identification method is characterized in that comprising the following steps:
Step 1: wound-rotor motor rotor winding is opened a way;
Step 2: adopting stator current control unit output stator q shaft current is 0, and stator d shaft current is the control signal of a constant;
Step 3: adopt power drive unit to receive described control signal output driving current;
Step 4: adopt the wound-rotor motor stator winding to receive described drive current;
Step 5: adopt voltage sensor to measure the wound-rotor motor stator winding and obtain stator d shaft voltage signals;
Step 6: adopt identification unit to receive described control signal and stator d shaft voltage signals, and with stator d shaft voltage divided by stator d shaft current, obtain the stator resistance parameter.
2. wound-rotor motor stator resistance parameter identification method according to claim 1 is characterized in that, the stator d shaft current in the described control signal of step 2 is less than the rated current of wound-rotor motor.
3. wound-rotor motor stator resistance parameter identification method according to claim 1 is characterized in that, the described drive current of step 3 is less than the rated current of wound-rotor motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310242790.XA CN103338001B (en) | 2013-06-19 | 2013-06-19 | Resistor parameter of stator of wound rotor type motor discrimination method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310242790.XA CN103338001B (en) | 2013-06-19 | 2013-06-19 | Resistor parameter of stator of wound rotor type motor discrimination method |
Publications (2)
| Publication Number | Publication Date |
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| CN103338001A true CN103338001A (en) | 2013-10-02 |
| CN103338001B CN103338001B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310242790.XA Active CN103338001B (en) | 2013-06-19 | 2013-06-19 | Resistor parameter of stator of wound rotor type motor discrimination method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487688A (en) * | 2016-06-13 | 2017-12-19 | 奥的斯电梯公司 | Sensor and motor for elevator device learn operation |
| CN115085615A (en) * | 2022-08-11 | 2022-09-20 | 成都微精电机股份公司 | Resistance inductance parameter identification method for controlling vector motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222006A (en) * | 1997-12-22 | 1999-07-07 | 奥蒂斯电梯公司 | Self-commissioning controller for field-oriented elevator motor/drive system |
| CN102386835A (en) * | 2010-08-27 | 2012-03-21 | 永济新时速电机电器有限责任公司 | Method for acquiring parameters of permanent magnet synchronous motor (PMSM) |
| CN102638217A (en) * | 2012-04-01 | 2012-08-15 | 杭州洲钜电子科技有限公司 | Method for calibrating parameters of motor controller without position sensor |
| CN102694499A (en) * | 2012-05-31 | 2012-09-26 | 宁波乐邦电气有限公司 | Slip frequency vector control method for asynchronous motor |
-
2013
- 2013-06-19 CN CN201310242790.XA patent/CN103338001B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222006A (en) * | 1997-12-22 | 1999-07-07 | 奥蒂斯电梯公司 | Self-commissioning controller for field-oriented elevator motor/drive system |
| CN102386835A (en) * | 2010-08-27 | 2012-03-21 | 永济新时速电机电器有限责任公司 | Method for acquiring parameters of permanent magnet synchronous motor (PMSM) |
| CN102638217A (en) * | 2012-04-01 | 2012-08-15 | 杭州洲钜电子科技有限公司 | Method for calibrating parameters of motor controller without position sensor |
| CN102694499A (en) * | 2012-05-31 | 2012-09-26 | 宁波乐邦电气有限公司 | Slip frequency vector control method for asynchronous motor |
Non-Patent Citations (1)
| Title |
|---|
| 王明渝等: "感应电动机矢量控制参数离线辨识技术", 《电工技术学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487688A (en) * | 2016-06-13 | 2017-12-19 | 奥的斯电梯公司 | Sensor and motor for elevator device learn operation |
| US10787340B2 (en) | 2016-06-13 | 2020-09-29 | Otis Elevator Company | Sensor and drive motor learn run for elevator systems |
| CN115085615A (en) * | 2022-08-11 | 2022-09-20 | 成都微精电机股份公司 | Resistance inductance parameter identification method for controlling vector motor |
| CN115085615B (en) * | 2022-08-11 | 2022-12-27 | 成都微精电机股份公司 | Resistance inductance parameter identification method for controlling vector motor |
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| CN103338001B (en) | 2016-01-20 |
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Effective date of registration: 20181204 Address after: 401120 No. 117 Songshi North Road, Yubei District, Chongqing Patentee after: Chongqing Hongbo Environmental Protection Engineering Co., Ltd. Address before: No. 2, Mengxi Road, Zhenjiang, Jiangsu Province, Jiangsu Patentee before: Jiangsu University of Science and Technology |
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Effective date of registration: 20201208 Address after: Xiannv Zhen Chen Xing Cun, Jiangdu District, Yangzhou City, Jiangsu Province 225200 Patentee after: Yangzhou Taikang Power Technology Co., Ltd Address before: 401120 No. 117 Songshi North Road, Yubei District, Chongqing Patentee before: CHONGQING HONGBO ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. |