JP5250220B2 - It給電系内の絶縁抵抗を測定する方法 - Google Patents
It給電系内の絶縁抵抗を測定する方法 Download PDFInfo
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- JP5250220B2 JP5250220B2 JP2007175124A JP2007175124A JP5250220B2 JP 5250220 B2 JP5250220 B2 JP 5250220B2 JP 2007175124 A JP2007175124 A JP 2007175124A JP 2007175124 A JP2007175124 A JP 2007175124A JP 5250220 B2 JP5250220 B2 JP 5250220B2
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- Prior art keywords
- potential
- insulation
- measurement
- voltage
- intermediate circuit
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- 238000009413 insulation Methods 0.000 title claims description 52
- 238000000034 method Methods 0.000 title claims description 15
- 238000005259 measurement Methods 0.000 claims description 35
- 238000001228 spectrum Methods 0.000 claims description 6
- 230000003071 parasitic effect Effects 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 230000001052 transient effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 35
- 239000003990 capacitor Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- G01R31/005—Testing of electric installations on transport means
-
- 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
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
Uzk = 中間回路電圧
R1 = 抵抗(820、840)の抵抗値
R2 = 抵抗(822、842)の抵抗値
Up = 測定機器(860)で測定された電位
Um = 測定機器(862)で測定された電位
20 整流器
30 直流電流中間回路
32 コンデンサ
40 直流電圧変換器
50、50a、50b インバータ
52a、52b、52c 第1パワースイッチ
54a、54b、54c 第1パワースイッチ
56 フリーホイールダイオード
60 バッテリ
70、70a、70b モータ
80 測定機器
82 第1電圧分割器
820 第1抵抗
822 第2抵抗
84 第2電圧分割器
840 第1抵抗
842 第2抵抗
90a 絶縁欠陥(抵抗)
90b 絶縁欠陥(抵抗)
90c、90d、90e 絶縁欠陥(抵抗)
92a、92b、92c 寄生コンデンサ
Uzk 中間回路電圧
Uzkp 中間回路の第1電位
Uzkm 中間回路の第2電位
Up 基準電位に対する第1電位
Um 基準電位に対する第2電位
Claims (5)
- 直流電圧中間回路(30)と、少なくとも1つの第1パワースイッチ(52a/b/c)及び少なくとも1つの第2パワースイッチ(54a/b/c)を備えた少なくとも1つの自励式電流変換器(50a/b)と、直流電圧中間回路(30)の一方及び他方の線路の電位と基準電位(100)との間の電位差を分割する電圧分割器(82、84)及びそれらに付設の2つの電位測定機器(860、862)を備えた前記一方及び他方の線路間の電圧である中間回路電圧Uzkを測定するための測定装置(80)とを有するIT給電系内の絶縁抵抗を測定するための方法であって、オフライン測定とオンライン測定から成る前記方法において、
オフライン測定中には全ての第1パワースイッチ(52a/b/c)又は全ての第2パワースイッチ(54a/b/c)が閉じられていて、電位測定機器(860、862)により測定された電位Up或いは電位Um、並びに、中間回路電圧Uzkが測定され、それらから絶縁抵抗Rfが決定されること、
オンライン測定中には両方の電位Up及び電位Umが測定され、これらの測定の時間的な経過形態が適切に評価されること、及び
オンライン測定中、測定された両方の電位が合計され、この合計がフーリエ変換され、周波数スペクトルの変化がその時間的な経過形態に関して評価されること
を特徴とする方法。 - オンライン測定中、測定された両方の電位が合計され、この合計の絶対値が適切に平均化され、この平均値がその時間的な経過形態に関して評価されることを特徴とする請求項1に記載の方法。
- オフライン測定中、存在する寄生負荷キャパシタンスから結果として得られる電位測定の過渡振動過程が絶縁測定機器の機能検査のために使用されることを特徴とする請求項1に記載の方法。
- 電圧分割器(82、84)が対称的に形成されていることを特徴とする請求項1に記載の方法。
- パワースイッチ(52a/b/c、54a/b/c))が、逆並列接続されたフリーホイールダイオード(56)を備えたIGBT(絶縁ゲート型バイポーラトランジスタ)として形成されていることを特徴とする請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006031663.0 | 2006-07-08 | ||
DE102006031663A DE102006031663B3 (de) | 2006-07-08 | 2006-07-08 | Verfahren zur Messung des Isolationswiderstands in einem IT-Netz |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008014945A JP2008014945A (ja) | 2008-01-24 |
JP5250220B2 true JP5250220B2 (ja) | 2013-07-31 |
Family
ID=38580327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007175124A Active JP5250220B2 (ja) | 2006-07-08 | 2007-07-03 | It給電系内の絶縁抵抗を測定する方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7554336B2 (ja) |
EP (1) | EP1876455A1 (ja) |
JP (1) | JP5250220B2 (ja) |
KR (1) | KR101306397B1 (ja) |
CN (1) | CN101101310B (ja) |
DE (1) | DE102006031663B3 (ja) |
Families Citing this family (26)
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US20090323233A1 (en) * | 2008-06-26 | 2009-12-31 | Shoemaker Jim M | Apparatus and method of determining insulation resistance in an ungrounded mobile vehicle electrical bus system |
US20110095158A1 (en) * | 2009-10-28 | 2011-04-28 | Scott Laker | Securement of laparoscopic instruments on the sterile surgical field |
US20110215215A1 (en) * | 2009-10-28 | 2011-09-08 | Scott Laker | Securement of Laparoscopic Instruments on the Sterile Surgical Field |
DE102010009266A1 (de) * | 2010-02-25 | 2011-08-25 | Kostal Industrie Elektrik GmbH, 58513 | Wechselrichter |
DE102010030133A1 (de) | 2010-06-15 | 2011-12-15 | Robert Bosch Gmbh | Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz |
DE102010030083A1 (de) | 2010-06-15 | 2011-12-15 | Robert Bosch Gmbh | Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz |
DE102010030079A1 (de) | 2010-06-15 | 2011-12-15 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Überwachung des Isolationswiderstandes in einem ungeerdeten elektrischen Netz |
DE102010030129A1 (de) | 2010-06-15 | 2011-12-15 | Robert Bosch Gmbh | Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz |
DE102011089145A1 (de) * | 2011-12-20 | 2013-06-20 | Robert Bosch Gmbh | Schutzvorrichtung, Verfahren und Energieversorgungssystem |
DE102012104752B3 (de) * | 2012-06-01 | 2013-11-28 | Sma Solar Technology Ag | Verfahren zur Messung eines Isolationswiderstands für einen Wechselrichter und Wechselrichter |
JP6106992B2 (ja) * | 2012-08-28 | 2017-04-05 | 富士電機株式会社 | 絶縁抵抗測定装置 |
DE102012109283A1 (de) * | 2012-09-28 | 2014-04-03 | Siemens Aktiengesellschaft | Stromrichter mit Zusatzschaltung, sowie Verfahren zum Betreiben eines Stromrichters |
DE102014204038A1 (de) * | 2014-03-05 | 2015-09-10 | Bender Gmbh & Co. Kg | Verfahren und Vorrichtungen zur selektiven Isolationsüberwachung in ungeerdeten IT-Stromversorgungssystemen |
US9921252B2 (en) * | 2014-03-30 | 2018-03-20 | Seeo, Inc. | High voltage isolation measurement system |
DE102014205918A1 (de) | 2014-03-31 | 2015-10-01 | Robert Bosch Gmbh | Verfahren zum Prüfen einer Isolationseinrichtung |
US9590091B2 (en) * | 2014-08-22 | 2017-03-07 | Infineon Technologies Ag | Minority carrier conversion structure |
CN105242146A (zh) * | 2015-10-29 | 2016-01-13 | 国家电网公司 | 测量直流***交流窜直流检测装置 |
DE102016212184A1 (de) * | 2016-07-05 | 2018-01-11 | Robert Bosch Gmbh | Verfahren zum Erkennen eines Fehlerfalls in einem Bordnetz |
DE102016224541A1 (de) | 2016-12-08 | 2018-06-14 | Bayerische Motoren Werke Aktiengesellschaft | Sicherheitsverfahren und Sicherheitsvorrichtung |
CN111656667B (zh) * | 2018-01-29 | 2023-06-20 | 东芝三菱电机产业***株式会社 | 绝缘劣化监视装置以及绝缘劣化监视方法 |
FR3079305B1 (fr) * | 2018-03-23 | 2020-05-01 | IFP Energies Nouvelles | Procede de determination d'au moins deux resistances equivalentes d'isolement d'un systeme electrique |
EP3584900A1 (de) * | 2018-06-20 | 2019-12-25 | Siemens Aktiengesellschaft | Vorrichtung zur erdschlussüberwachung in einem gleichstromnetz |
DE102018217116B3 (de) | 2018-10-08 | 2020-03-12 | Volkswagen Aktiengesellschaft | Hochvoltsystem und Verfahren zur Überwachung von Isolationsfehlern in einem Hochvoltsystem |
JP7232564B2 (ja) * | 2019-06-07 | 2023-03-03 | 光商工株式会社 | 交流非接地電路の絶縁抵抗監視装置 |
CN112444706A (zh) * | 2019-08-28 | 2021-03-05 | 台达电子企业管理(上海)有限公司 | 应用于电力***的绝缘监测装置与电力*** |
DE102022211892A1 (de) * | 2022-11-10 | 2024-05-16 | Vitesco Technologies Germany Gmbh | Messanordnung zur Isolationsüberwachung bei einem Bordnetz und Bordnetz mit einer Messanordnung |
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-
2006
- 2006-07-08 DE DE102006031663A patent/DE102006031663B3/de active Active
-
2007
- 2007-06-20 EP EP20070012028 patent/EP1876455A1/de not_active Withdrawn
- 2007-07-03 JP JP2007175124A patent/JP5250220B2/ja active Active
- 2007-07-06 KR KR1020070068319A patent/KR101306397B1/ko active IP Right Grant
- 2007-07-06 CN CN2007101279799A patent/CN101101310B/zh active Active
- 2007-07-06 US US11/825,428 patent/US7554336B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20080005327A (ko) | 2008-01-11 |
EP1876455A1 (de) | 2008-01-09 |
CN101101310A (zh) | 2008-01-09 |
DE102006031663B3 (de) | 2007-11-15 |
JP2008014945A (ja) | 2008-01-24 |
US20080007277A1 (en) | 2008-01-10 |
US7554336B2 (en) | 2009-06-30 |
CN101101310B (zh) | 2011-07-06 |
KR101306397B1 (ko) | 2013-09-09 |
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