JP6507251B2 - コイル内の短絡を検出するための方法 - Google Patents
コイル内の短絡を検出するための方法 Download PDFInfo
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- JP6507251B2 JP6507251B2 JP2017537239A JP2017537239A JP6507251B2 JP 6507251 B2 JP6507251 B2 JP 6507251B2 JP 2017537239 A JP2017537239 A JP 2017537239A JP 2017537239 A JP2017537239 A JP 2017537239A JP 6507251 B2 JP6507251 B2 JP 6507251B2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/175—Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
- G01R31/002—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing where the device under test is an electronic circuit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/42—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/02—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using precipitation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
2 第1の半波
3 第2の半波
4 横座標
5 縦座標
6 ゼロ交点、ゼロ点
7 ゼロ交点
8 ゼロ交点
9 ゼロ交点
11 ゼロ交点
12 ゼロ交点
13 ゼロ交点
14 矢印
15 矢印
16 欠陥信号
17 欠陥信号
18 局所的最小値
19 局所的最大値
20 ステータ
21 ロータ
22 ロータ溝
23 ステータ溝
24 電気機械
25 コイル
26 空隙
27 ステータ歯
28 ロータ歯
Claims (11)
- 電気機械(24)において巻線短絡を検出するための方法であって、
a)前記電気機械(24)のロータ(21)とステータ(20)との間に配置された空隙(26)内にコイル(25)を配置するステップと、
b)前記電気機械(24)の回転数および極対の個数を考慮して、前記コイル(25)により発生した信号曲線U(t)の2つの直近で連続するゼロ交点(11)の最小期間(tmin)を計算するステップと、
c)前記ロータの少なくとも1回転期間を有する前記電気機械(24)の動作中に前記コイル(25)により発生した前記信号曲線U(t)を記録するステップと、
d)前記信号曲線U(t)のゼロ交点(6)を決定し、前記ゼロ交点(6)の時間を記憶するステップと、
e)オフセットcにより補正された信号曲線U(t)-cのゼロ交点(7、8)を決定し、前記最小期間(tmin)よりも長い時間間隔を有する直近で連続するゼロ交点(7、8)の少なくとも1つの対(12、13)を特定するステップであって、cは、ゼロに等しくない、ステップと、
f)対(12、13)が前記ステップe)において特定されない場合に、対(12、13)が特定されるまで前記ステップe)を繰り返すステップであって、前記オフセットcは、前記信号曲線U(t)のゼロ点から大域的極値に向かう方向に変更される、ステップと、
g)前記対(12、13)に最も近いゼロ交点の少なくとも1つを特定するステップであって、前記対(12、13)に最も近い前記ゼロ交点は、ゼロ交点(11)に一致する前記信号曲線U(t)のゼロ交点(6)であり、前記対(12、13)の間に位置し、時間的に前記対(12、13)に最も近いゼロ交点(6)である、ステップと、
h)前記ステップg)において特定された前記ゼロ交点の時間を使用して前記信号曲線U(t)から2つの半波(2、3)を抽出するステップであって、各半波(2、3)は、前記ロータ(21)の半回転に相当する、ステップと、
i)前記2つの半波(2、3)を比較するステップと
を含む、方法。 - 前記ステップh)は、前記2つの半波(2、3)の一方を、前記ステップe)にて特定された対(12、13)の時間を使用して抽出するステップ
を含む、請求項1に記載の方法。 - 前記電気機械(24)の極対の個数は、1つであり、前記2つの半波(2、3)のそれぞれが、直近で連続する前記ステップg)で特定されたゼロ交点の時間のうちの2つによりそれぞれ画定される、請求項1または2に記載の方法。
- 前記電気機械(24)の極対の個数は、2つ以上であり、前記半波(2、3)のそれぞれが、極対の前記個数に対応する個数の部分波から形成され、
各場合において、各部分波が、前記ステップg)で特定されたゼロ交点の前記直近で連続する時間のうちの2つにより画定される、請求項1または2に記載の方法。 - 前記ステップd)および/またはe)において、前記ゼロ交点(6〜9)は、前記信号曲線U(t)および前記補正された信号曲線U(t)-cの全ての点についてy0=Ut=α*Ut=α+1の形成により決定され、ここでUt=αは、U(t)またはU(t)-c中の信号値であり、Ut=α+1は、直近で連続する信号値であり、y 0 =0は、2つの信号値のうちの少なくとも一方がゼロ交点であることを示す、請求項1から4のいずれか一項に記載の方法。
- y0が負である場合に、Ut=αおよびUt=α+1 と、等式
- 前記信号曲線U(t)は、前記コイル(25)で発生する電圧または前記コイル(25)で発生する電流の大きさを表す、請求項1から6のいずれか一項に記載の方法。
- 前記ステップc)で記録された前記信号曲線U(t)は、フィルタにより平滑化される、請求項1から7のいずれか一項に記載の方法。
- 前記電気機械(24)は、発電機である、請求項1から8のいずれか一項に記載の方法。
- 前記フィルタは、ベジエフィルタ、メジアンフィルタ、および/または勾配フィルタである、請求項8に記載の方法。
- 前記発電機は、同期機械および/または電気モータである、請求項9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15151158.1A EP3045924A1 (de) | 2015-01-14 | 2015-01-14 | Verfahren zum Detektieren von Windungsschlüssen |
EP15151158.1 | 2015-01-14 | ||
PCT/EP2015/078443 WO2016113035A1 (de) | 2015-01-14 | 2015-12-03 | Verfahren zum detektieren von windungsschlüssen |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018503821A JP2018503821A (ja) | 2018-02-08 |
JP6507251B2 true JP6507251B2 (ja) | 2019-04-24 |
Family
ID=52350008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017537239A Expired - Fee Related JP6507251B2 (ja) | 2015-01-14 | 2015-12-03 | コイル内の短絡を検出するための方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10156612B2 (ja) |
EP (2) | EP3045924A1 (ja) |
JP (1) | JP6507251B2 (ja) |
CN (1) | CN107110913A (ja) |
WO (1) | WO2016113035A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11156667B2 (en) * | 2017-08-31 | 2021-10-26 | Aisin Aw Co., Ltd. | Diagnostic device for coil and diagnosis method for coil |
US20220120822A1 (en) * | 2019-03-12 | 2022-04-21 | Mitsubishi Electric Corporation | Short-circuit detection device and short-circuit detection method |
CN110545516B (zh) * | 2019-08-07 | 2021-05-11 | 国网河北省电力有限公司电力科学研究院 | 一种线圈类设备故障的检测方法及检测装置 |
GB2619767B (en) * | 2022-06-17 | 2024-07-10 | Caterpillar Energy Solutions Gmbh | Generator pole slip protection with auxiliary winding measurement |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS60167654A (ja) | 1984-02-09 | 1985-08-31 | Fuji Electric Co Ltd | 界磁巻線のレアシヨ−ト検出装置 |
ATE169411T1 (de) * | 1992-12-30 | 1998-08-15 | Ansaldo Energia Spa | Rotorwindungsschlussdetektor |
US6079257A (en) * | 1997-08-04 | 2000-06-27 | Frank L. Wells Company | Digital control for dynamometer |
CN1282996A (zh) * | 2000-09-15 | 2001-02-07 | 北京电力设备总厂 | 干式空心电抗器保护方法及其装置 |
US6798210B2 (en) | 2002-11-07 | 2004-09-28 | General Electric Company | Speed sensitive field ground detection mode for a generator field winding |
JP2006280088A (ja) * | 2005-03-29 | 2006-10-12 | Jtekt Corp | ブラシレスモータ |
US7893638B2 (en) * | 2006-11-30 | 2011-02-22 | Denso Corporation | Apparatus and method for driving rotary machine |
US8106622B2 (en) * | 2007-04-05 | 2012-01-31 | Denso Corporation | Control system for multiphase rotary machines |
CN101101319A (zh) * | 2007-05-18 | 2008-01-09 | 西安尤佰测控技术有限公司 | 发电机转子绕组匝间短路状态的检测装置 |
US20090219030A1 (en) * | 2008-02-29 | 2009-09-03 | General Electric Company | Methods and Systems for Detecting Rotor Field Ground Faults In Rotating Machinery |
CN101592698B (zh) * | 2009-06-19 | 2011-10-05 | 贵阳新光电气有限公司 | 水轮发电机转子匝间短路在线监测定位方法及装置 |
US8781765B2 (en) | 2011-04-11 | 2014-07-15 | General Electric Company | Online monitoring system and method to identify shorted turns in a field winding of a rotor |
HRPK20120245B3 (hr) * | 2012-03-16 | 2014-11-21 | KONÄŚAR - Institut za elektrotehniku d.d. | Metoda za otkrivanje ošteä†enja rotorskog namota rotacijskih izmjeniäśnih strojeva diferencijalnim mjerenjem magnetskog polja pomoä†u dva mjerna svitka |
US9019673B2 (en) * | 2012-09-27 | 2015-04-28 | Rajiv Kumar Varma | Fault detection and short circuit current management technique for inverter based distributed generators (DG) |
-
2015
- 2015-01-14 EP EP15151158.1A patent/EP3045924A1/de not_active Withdrawn
- 2015-12-03 CN CN201580073491.5A patent/CN107110913A/zh active Pending
- 2015-12-03 US US15/541,833 patent/US10156612B2/en active Active
- 2015-12-03 EP EP15804478.4A patent/EP3213096B1/de active Active
- 2015-12-03 JP JP2017537239A patent/JP6507251B2/ja not_active Expired - Fee Related
- 2015-12-03 WO PCT/EP2015/078443 patent/WO2016113035A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2016113035A1 (de) | 2016-07-21 |
EP3213096A1 (de) | 2017-09-06 |
JP2018503821A (ja) | 2018-02-08 |
US20180017624A1 (en) | 2018-01-18 |
EP3213096B1 (de) | 2018-08-01 |
CN107110913A (zh) | 2017-08-29 |
EP3045924A1 (de) | 2016-07-20 |
US10156612B2 (en) | 2018-12-18 |
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