CN102130650A - Method for testing and adjusting single-phase capacitor motor - Google Patents
Method for testing and adjusting single-phase capacitor motor Download PDFInfo
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- CN102130650A CN102130650A CN201110004361XA CN201110004361A CN102130650A CN 102130650 A CN102130650 A CN 102130650A CN 201110004361X A CN201110004361X A CN 201110004361XA CN 201110004361 A CN201110004361 A CN 201110004361A CN 102130650 A CN102130650 A CN 102130650A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 49
- 238000002474 experimental method Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
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- 238000005259 measurement Methods 0.000 description 1
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Abstract
The invention relates to a method for testing and adjusting a single-phase capacitor motor, the rated voltage of the motor is UN, the original number of turns of a secondary phase winding is Na, and the original number of the turns of a main phase winding is Nm; and the method is characterized in that, the method comprises the following steps: 1) removing an original series capacitor in the motor, and then connecting as follows, wherein the input voltage of the main phase winding is Um; and the voltage Uac which is in the same phase with the Um is inputted after connecting the secondary phase winding with the capacitor C in series; 2) adjusting numerical values of the Um or/and the Uac and the C till the operation of the motor is in line with design requirements, and recording the numerical values of the Um, the Uac and the C as Um0, Uac0 and C0; and 3) adjusting the number of the turns of the main phase winding to NmT, adjusting the number of the turns of the secondary phase winding to NaT, and adjusting the capacitance of the series capacitor to CT according to the following formulas: NmT=Nm (UN/Um0); NaT=Na (UN/Uac0); and CT=C0 (Uac0/UN)2. By adopting method, the performances of all working points can be foreseen in an experiment for deciding the optimal capacitance and the number of the turns, the design period of a product is further shortened, and the method is particularly applicable to designing the single-phase capacitor motor which needs to give attention to startup and operation performance.
Description
Technical field
The present invention relates to a kind of method for test adjusting of single-phase condenser motor, according to International Patent Classification (IPC), classification belongs to H02K15/00, H02K17/08 or H02K3/28.
Background technology
Single-phase condenser motor belongs to the Asymmetric Electric motivation, its electromagnetism calculates more than symmetrical motor complexity such as threephase motors, prior art has proposed to determine by experiment the method for test adjusting of its optimal capacitance amount and the number of turn for this reason: with symmetrical two-phase power supply powered operation, each that calculate its best in voltage, electric current and the input power measurement value of rated operation point according to motor be the number of turn and capacitance mutually to existing capacitor motor; See reference [1] and [2] for details.Yet this method need dispose symmetrical two-phase power supply very not commonly used.In addition, the operation of symmetrical motor and single-phase condenser motor has very big difference: the former all can keep symmetrical operating state at all working point, and the latter can only be in symmetrical operating state in certain 1 working point.Single-phase condenser motor by this method decision capacitance and the number of turn only has and the identical performance of experiment motor at rated operation point, performance in other working point then obviously departs from, promptly in experiment, can not predict, just can know after the single-phase condenser motor prototyping testing that need treat to manufacture experimently by the capacitance and the number of turn of this method decision, if undesirable need are adjusted once more, therefore prolonged the product design cycle.This situation especially is unfavorable for taking into account the design that starts with the single-phase condenser motor of behavior in service.
Summary of the invention
Technical problem to be solved by this invention is, proposes a kind of method for test adjusting of single-phase condenser motor, can be in the experiment of its optimal capacitance amount of decision and the number of turn performance of precognition all working point, to overcome the described deficiency of background technology.
The technical scheme that the present invention solve the technical problem is, a kind of method for test adjusting of single-phase condenser motor, and the rated voltage of motor is U
N, the original number of turn of parafacies winding is Na, the original number of turn of principal phase winding is Nm; It is characterized in that this method may further comprise the steps:
1) motor is removed behind the former series capacitor by following connection:
---principal phase winding input voltage Um;
---the voltage U ac of input and Um homophase behind the parafacies windings in series capacitor C;
2) adjust Um or/and the numerical value of Uac and C, adhere to specification until the operation of motor, the records of values of Um, Ua and C is Um at this moment
0, Uac
0And C
0
3) press following formula, the number of turn of principal phase winding is adjusted into Nm
T, the number of turn of parafacies winding is adjusted into Na
T, the capacitance of institute's series capacitor is adjusted into C
T:
Nm
T＝Nm(U
N/Um
0)；
Na
T＝Na(U
N/Uac
0)；
C
T＝C
0(Uac
0/U
N)
2。
Because the experiment motor was still pressed the capacitor motor operation during this test was adjusted, and with reference to transformer impedance conversion and circle voltage invariance principle, can keep the magnetic field configuration identical when moving with rated voltage, thereby have and the identical performance of experiment motor at all working point with testing motor by the adjusted motor of described formula.Like this, the performance of test experiments motor can be predicted the performance of adjusted motor.Experiment and electromagnetism calculate and also show, for both fixed structure single-phase condenser motors, it is that target reaches and causes the best with the designing requirement that the numerical value that can adjust Um, Uac and C makes performance, especially can reach at the assigned work point symmetry and move, and need not to use symmetrical two-phase power supply to test adjustment, and avoid using as stated in the Background Art symmetrical two-phase power supply to test the disadvantage of adjustment.
Description of drawings
Fig. 1 is the present invention's the 1st embodiment circuit diagram;
Fig. 2 is the present invention's the 2nd embodiment circuit diagram.
Embodiment
The 1st embodiment circuit of the present invention as shown in Figure 1, the motor 1 that test is adjusted is a use in sewing machine 4 utmost point single-phase capacitor operation asyn. motors, rated voltage is 220V, its principal phase winding 11 original numbers of turn are 1000, parafacies winding 12 original numbers of turn are 1200.Motor 1 is at first removed former series capacitor.The neutral line N utmost point from the 220V single phase poaer supply of electrical network links to each other with the points of common connection of principal phase winding 11 with parafacies winding 12.The input of automatic coupling voltage regulator 2 and automatic coupling voltage regulator 4 is connected in the phase line A utmost point and the neutral line N utmost point, the pressure regulation output of automatic coupling voltage regulator 2 is through the input of electrical parameter measuring instrument 3 connection principal phase windings 11, and the pressure regulation output of automatic coupling voltage regulator 4 is through the input of electrical parameter measuring instrument 5 and adjustable electric tank 6 auxiliary connection phase windings 12.Electrical parameter measuring instrument 3 is made up of voltmeter 31, wattmeter 32 and ammeter 33, detects voltage U m, the power P m of input principal phase winding 11 and electric current I m respectively and can this calculate or show its power factor Φ m.Electrical parameter measuring instrument 5 is made up of voltmeter 51, wattmeter 52 and ammeter 53, detects voltage U ac, the power P a of input parafacies winding 12 and capacitive 6 and electric current I a respectively and can this calculate or show its power factor Φ a.Capacitive 6 is made up of a plurality of capacitors 61 and reversing switch 62, and rotation reversing switch 62 can change the capacitance C of capacitive 6.
ImNm＝IaNa
(the aforementioned former major and minor phase winding number of turn of substitution is 1000Im=1200Ia);
Pm=Pa, perhaps Φ m-Φ a=90
0
Write down at this moment:
---the capacitance C of capacitive 6
0
---the magnitude of voltage Um that electrical parameter measuring instrument 3 is shown
0
---the magnitude of voltage Uac that electrical parameter measuring instrument 5 is shown
0
With above-mentioned record, as follows, the number of turn of principal phase winding 11 is adjusted into Nm
T, the number of turn of parafacies winding 12 is adjusted into Na
T, the capacitance of institute's series capacitors is adjusted into C
T:
Nm
T＝Nm(U
N/Um
0)
(substitution rated voltage 220V and former principal phase umber of turn 1000 are Nm
T=220000/Um
0);
Na
T＝Na(U
N/Uac
0)
(substitution rated voltage 220V and former parafacies umber of turn 1200 are Na
T=264000/Uac
0);
C
T＝C
0(Uac
0/U
N)
2
(substitution rated voltage 220V is C
T=C
0(Uac
0/ 220)
2).
The 2nd embodiment circuit of the present invention as shown in Figure 2, it is fit to the test adjustment of less range performance, mainly is with the difference of the 1st embodiment circuit of the present invention:
---cancelled automatic coupling voltage regulator 2 and electrical parameter measuring instrument 3, promptly principal phase winding 11 is directly by the 220V single phase poaer supply power supply from electrical network;
---the points of common connection of principal phase winding 11 and parafacies winding 12 separately, each resistance of connecting be 1 ohm resistance 71 and resistance be 1.2 ohm resistance 72 after be access to the neutral line N utmost point;
---tie point and the parafacies winding 12 and the tie point of resistance 72 of principal phase winding 11 and resistance 71 is connected the X-axis input terminal and the Y-axis input terminal of oscilloscope 70 respectively, and the oscillographic G utmost point connects the neutral line N utmost point, and the gain of X-axis and Y-axis is adjusted to identical; Also can change into and use 2 identical current transformers, it is elementary respectively by electric current of principal phase winding 11 and parafacies winding 12, secondaryly connects oscillographic X-axis, Y-axis input terminal and the G utmost point respectively, and adjust into X-axis 1.2 times of the gain of Y-axis.
---the capacitance C of capacitive 6
0
---the magnitude of voltage Uac that electrical parameter measuring instrument 5 is shown
0
With above-mentioned record, by the following formula of 220V of substitution rated voltage and former parafacies umber of turn 1200, the number of turn of parafacies winding 12 is adjusted into Na
T, the capacitance of institute's series capacitors is adjusted into C
T:
Na
T＝440000/Uac
0；
C
T＝C
0(Uac
0/220)
2。
Electrical parameter measuring instrument among the embodiment can be selected for use from widely used blue or green intelligence 8700 or 8900 series multifunctional instrument, and also voltage that can be traditional, electric current, power or power factor meter combine, or forms test macro with the transducer coupled computer.Automatic coupling voltage regulator also can be used the electronic type variable-frequency variable-voltage power supply of having popularized at present instead, but notes that the phase place of main winding and auxiliary winding two road power supplys is consistent.
In addition, the motor that test is adjusted also can be 110V etc. other rated voltage and the capacitor motor of other kind, capacitor start or start and the asynchronous motor that turns round for example, and the capacitor start of magnetic resistance, magnetic hysteresis or permanent magnetism or capacitor operating synchronous motor, the latter's rated operation point is the synchronous speed point.
Reference
1 head of district encourages, open fill out grand. the application of two-phase power supply in single-phase condenser motor research and design. household electrical appliance science and technology, 1985,3:1～4
2 Sun Yun rocs. monopole asynchronous motor and application thereof (resultant current analytic approach). Beijing: China Machine Press, 1987,488～492
Claims (3)
1. the method for test adjusting of a single-phase condenser motor, the rated voltage of motor is U
N, the original number of turn of principal phase winding is Nm, the original number of turn of parafacies winding is Na; It is characterized in that this method may further comprise the steps:
1) motor is removed behind the former series capacitor by following connection:
---principal phase winding input voltage Um;
---the voltage U ac of input and Um homophase behind the parafacies windings in series capacitor C;
2) adjust Um or/and the numerical value of Ua and C, adhere to specification until the operation of motor, the records of values of Um, Uac and C is Um at this moment
0, Uac
0And C
0
3) press following formula, the number of turn of principal phase winding is adjusted into Nm
T, the number of turn of parafacies winding is adjusted into Na
T, the capacitance of institute's series capacitor is adjusted into C
T:
Nm
T＝Nm(U
N/Um
0)；
Na
T＝Na(U
N/Uac
0)；
C
T＝C
0(Uac
0/U
N)
2。
2. according to the described method for test adjusting of claim 1, it is characterized in that: described designing requirement comprises that motor is at the rated operation point symmetrical operation.
3. according to the described method for test adjusting of claim 2, it is characterized in that, also comprise:
---measure electric current and the power or the power-factor angle of principal phase winding, parafacies winding;
---described motor at the rated operation point symmetrical operation is:
ImNm＝IaNa；
Pm=Pa, perhaps Φ m-Φ a=90
0
In the formula:
Im---principal phase winding current;
Ia---parafacies winding current;
Pm---principal phase winding power;
Pa---parafacies winding power;
Φ m---principal phase winding power factor angle;
Φ a---parafacies winding power factor angle.
4 according to the described method for test adjusting of claim 2, it is characterized in that, also comprises:
---the electric current ampere-turn signal of principal phase winding, parafacies winding is imported oscillographic X-axis input terminal and Y-axis input terminal respectively;
---described motor at the rated operation point symmetrical operation is: the Li Sha that oscilloscope shows educates figure for circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110004361 CN102130650B (en) | 2011-01-07 | 2011-01-07 | Method for testing and adjusting single-phase capacitor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110004361 CN102130650B (en) | 2011-01-07 | 2011-01-07 | Method for testing and adjusting single-phase capacitor motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102130650A true CN102130650A (en) | 2011-07-20 |
| CN102130650B CN102130650B (en) | 2013-03-27 |
Family
ID=44268564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110004361 Expired - Fee Related CN102130650B (en) | 2011-01-07 | 2011-01-07 | Method for testing and adjusting single-phase capacitor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102130650B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332798A (en) * | 2011-09-24 | 2012-01-25 | 叶露微 | Low-power single-phase condenser motor and method for adjusting capacitance and turn number thereof |
| CN105673539A (en) * | 2016-04-05 | 2016-06-15 | 叶露微 | Single-phase axial-flow ventilator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11299287A (en) * | 1998-04-16 | 1999-10-29 | Yoshinori Ito | Speed controller for single-phase induction motor |
| JP2005328693A (en) * | 2004-05-12 | 2005-11-24 | Lg Electronics Inc | Single-phase induction motor |
| CN1925282A (en) * | 2005-08-31 | 2007-03-07 | 江门市洗衣机厂 | Three-phase winding single-phase capacitor operation motor for washing machine |
| CN101325353A (en) * | 2007-06-14 | 2008-12-17 | 江门市洗衣机厂 | Electromagnetic design method for Y-wiring single phase capacitance run motor |
-
2011
- 2011-01-07 CN CN 201110004361 patent/CN102130650B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11299287A (en) * | 1998-04-16 | 1999-10-29 | Yoshinori Ito | Speed controller for single-phase induction motor |
| JP2005328693A (en) * | 2004-05-12 | 2005-11-24 | Lg Electronics Inc | Single-phase induction motor |
| CN1925282A (en) * | 2005-08-31 | 2007-03-07 | 江门市洗衣机厂 | Three-phase winding single-phase capacitor operation motor for washing machine |
| CN101325353A (en) * | 2007-06-14 | 2008-12-17 | 江门市洗衣机厂 | Electromagnetic design method for Y-wiring single phase capacitance run motor |
Non-Patent Citations (4)
| Title |
|---|
| 《单相异步电动机及其应用（合成电流分析法）》 19871231 孙云鹏 第三章第三节，第十一章第八节 机械工业出版社 第76-82页、第488-492页 1-4 , * |
| 《电力电子技术》 19980501 陈光东 单相电容电机的分相对称变频调速 第1-3页 1-4 , 第2期 * |
| 孙云鹏: "《单相异步电动机及其应用（合成电流分析法）》", 31 December 1987, 机械工业出版社 * |
| 陈光东: "单相电容电机的分相对称变频调速", 《电力电子技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332798A (en) * | 2011-09-24 | 2012-01-25 | 叶露微 | Low-power single-phase condenser motor and method for adjusting capacitance and turn number thereof |
| CN105673539A (en) * | 2016-04-05 | 2016-06-15 | 叶露微 | Single-phase axial-flow ventilator |
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| Publication number | Publication date |
|---|---|
| CN102130650B (en) | 2013-03-27 |
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Owner name: JIANGMEN JINLING MOTOR CO., LTD. Free format text: FORMER OWNER: YE LUWEI Effective date: 20130218 |
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Inventor after: Zhang Shanquan Inventor after: Qin Yuzhang Inventor after: Liang Yongneng Inventor after: Yao Mei Inventor after: Chen Meiling Inventor after: Zhang Qiang Inventor after: Chan Danzhong Inventor after: Qu Changzhao Inventor after: Ye Luwei Inventor before: Ye Luwei |
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Free format text: CORRECT: ADDRESS; FROM: 529020 JIANGMEN, GUANGDONG PROVINCE TO: 529085 JIANGMEN, GUANGDONG PROVINCE Free format text: CORRECT: INVENTOR; FROM: YE LUWEI TO: ZHANG SHANQUAN QIN YUZHANG LIANG YONGNENG YAO MEI CHEN MEILING ZHANG QIANG TAN DANZHONG OU CHANGZHAO YE LUWEI |
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Effective date of registration: 20130218 Address after: 529085 Guangdong city of Jiangmen province Tangxia Mashan town of Pengjiang District feet Applicant after: Jiangmen Jinling Motor Co., Ltd. Address before: 529020 Guangdong East Road, Pengjiang District, East dike Bay Garden, one of the buildings, 102, 4, Applicant before: Ye Luwei |
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