ES2627974T3 - Vigilancia de aislamiento utilizando una señal de prueba de frecuencia variable - Google Patents

Vigilancia de aislamiento utilizando una señal de prueba de frecuencia variable Download PDF

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Publication number
ES2627974T3
ES2627974T3 ES12726763.1T ES12726763T ES2627974T3 ES 2627974 T3 ES2627974 T3 ES 2627974T3 ES 12726763 T ES12726763 T ES 12726763T ES 2627974 T3 ES2627974 T3 ES 2627974T3
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ES
Spain
Prior art keywords
test signal
leakage current
current intensity
iab
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES12726763.1T
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English (en)
Spanish (es)
Inventor
Dirk Hermeling
Reinhard Lehmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMA Solar Technology AG
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SMA Solar Technology AG
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Filing date
Publication date
Application filed by SMA Solar Technology AG filed Critical SMA Solar Technology AG
Application granted granted Critical
Publication of ES2627974T3 publication Critical patent/ES2627974T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
ES12726763.1T 2011-05-24 2012-05-24 Vigilancia de aislamiento utilizando una señal de prueba de frecuencia variable Active ES2627974T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011050590 2011-05-24
DE102011050590A DE102011050590A1 (de) 2011-05-24 2011-05-24 Isolationsüberwachung mit einem Prüfsignal variabler Frequenz
PCT/EP2012/059650 WO2012160118A1 (en) 2011-05-24 2012-05-24 Isolation monitoring using a test signal of variable frequency

Publications (1)

Publication Number Publication Date
ES2627974T3 true ES2627974T3 (es) 2017-08-01

Family

ID=46246045

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12726763.1T Active ES2627974T3 (es) 2011-05-24 2012-05-24 Vigilancia de aislamiento utilizando una señal de prueba de frecuencia variable

Country Status (7)

Country Link
US (1) US9720025B2 (enExample)
EP (1) EP2721423B1 (enExample)
JP (1) JP6057094B2 (enExample)
CN (1) CN103547932B (enExample)
DE (1) DE102011050590A1 (enExample)
ES (1) ES2627974T3 (enExample)
WO (1) WO2012160118A1 (enExample)

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CN107219404B (zh) * 2016-03-21 2020-11-10 华为技术有限公司 一种频率调节的方法及装置
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CN108306335B (zh) * 2018-03-02 2020-07-07 阳光电源股份有限公司 光伏发电系统、逆变器及其并网运行控制方法和装置
CN108303595B (zh) * 2018-03-14 2020-04-10 云南电网有限责任公司电力科学研究院 一种基于异频相电流的电容电流测试方法、装置及系统
CN108548982B (zh) * 2018-03-14 2020-03-10 云南电网有限责任公司电力科学研究院 一种电容电流的测试方法、装置及系统
CN108333438B (zh) * 2018-03-14 2020-04-10 云南电网有限责任公司电力科学研究院 一种电容电流的测试方法、装置及系统
EP3546957A1 (en) * 2018-03-28 2019-10-02 Siemens Healthcare GmbH Isolated grounding effectiveness monitor
DE102019106257A1 (de) * 2019-03-12 2020-09-17 Sma Solar Technology Ag Batterie-Wechselrichtersystem
GB2591439B (en) * 2019-11-19 2023-11-01 Viper Innovations Ltd Cable insulation testing method
DE102019132242B4 (de) * 2019-11-28 2021-06-17 Bender Gmbh & Co. Kg Verwendungen einer Schaltungsanordnung mit aktiver Messspannung zur Bestimmung eines Isolationswiderstands in einem oder mehreren ungeerdeten Stromversorgungssystem(en)
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Also Published As

Publication number Publication date
EP2721423A1 (en) 2014-04-23
US9720025B2 (en) 2017-08-01
EP2721423B1 (en) 2017-03-15
WO2012160118A1 (en) 2012-11-29
CN103547932B (zh) 2016-09-21
CN103547932A (zh) 2014-01-29
DE102011050590A1 (de) 2012-11-29
JP2014517667A (ja) 2014-07-17
US20140097854A1 (en) 2014-04-10
JP6057094B2 (ja) 2017-01-11

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