DE572334C - Equipment for the insulation control of direct current networks during operation - Google Patents

Equipment for the insulation control of direct current networks during operation

Info

Publication number
DE572334C
DE572334C DEA53169D DEA0053169D DE572334C DE 572334 C DE572334 C DE 572334C DE A53169 D DEA53169 D DE A53169D DE A0053169 D DEA0053169 D DE A0053169D DE 572334 C DE572334 C DE 572334C
Authority
DE
Germany
Prior art keywords
direct current
equipment
during operation
networks during
insulation control
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.)
Expired
Application number
DEA53169D
Other languages
German (de)
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.)
AEG AG
Original Assignee
AEG AG
Publication date
Priority to DEA53169D priority Critical patent/DE572334C/en
Application granted granted Critical
Publication of DE572334C publication Critical patent/DE572334C/en
Expired legal-status Critical Current

Links

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
    • G01R27/16—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass

Description

*) Von dem Patentsucher ist als der Erfinder angegeben worden:*) The patent seeker stated as the inventor:

Dr. Hans Piloty in Berlin-Wilmersdorf.Dr. Hans Piloty in Berlin-Wilmersdorf.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (2)

Patentansprüche:Patent claims: 1. Einrichtung zur Isolationskontrolle von Gleichstromnetzen während des Betriebes, dadurch gekennzeichnet, daß zwischen dem Spannungsmittelpunkt der Betriebsgleichstromquelle und Erde eine Kontrollwechselspannungsquelle eingeschaltet ist, deren Stromabgabe als Maß für die Ableitung des Netzes gegen Erde benutzt und über eine Gleichrichterschaltung einem Gleichstrommeßinstrument zugeführt wird.1. Equipment for the insulation control of direct current networks during operation, characterized in that between the voltage center point of the operating direct current source and earth a control AC voltage source is switched on, the current output as a measure for the derivation of the network to earth is used and via a rectifier circuit is fed to a DC current meter. 2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Kontrollkreis einen Kondensator enthält.2. Device according to claim 1, characterized in that the control circuit contains a capacitor.
DEA53169D Equipment for the insulation control of direct current networks during operation Expired DE572334C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA53169D DE572334C (en) Equipment for the insulation control of direct current networks during operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA53169D DE572334C (en) Equipment for the insulation control of direct current networks during operation

Publications (1)

Publication Number Publication Date
DE572334C true DE572334C (en) 1933-03-14

Family

ID=6938845

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA53169D Expired DE572334C (en) Equipment for the insulation control of direct current networks during operation

Country Status (1)

Country Link
DE (1) DE572334C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744097C (en) * 1938-03-02 1944-01-08 Charles Ramelot Test circuit for a protective relay device
DE758606C (en) * 1939-12-19 1953-04-16 Aeg Device for displaying the operating status of circuit protection devices, such as fuses, circuit breakers or the like.
JPWO2020170556A1 (en) * 2019-02-19 2021-12-16 三洋電機株式会社 Leakage detector, power supply system for vehicles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744097C (en) * 1938-03-02 1944-01-08 Charles Ramelot Test circuit for a protective relay device
DE758606C (en) * 1939-12-19 1953-04-16 Aeg Device for displaying the operating status of circuit protection devices, such as fuses, circuit breakers or the like.
JPWO2020170556A1 (en) * 2019-02-19 2021-12-16 三洋電機株式会社 Leakage detector, power supply system for vehicles
EP3929021A4 (en) * 2019-02-19 2022-04-13 SANYO Electric Co., Ltd. Electrical fault detection device and vehicle power supply system
US11879948B2 (en) 2019-02-19 2024-01-23 Sanyo Electric Co., Ltd. Electrical fault detection device and vehicle power supply system

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