GB309182A - Improvements relating to safety devices for electric current distributing installations - Google Patents

Improvements relating to safety devices for electric current distributing installations

Info

Publication number
GB309182A
GB309182A GB10490/29A GB1049029A GB309182A GB 309182 A GB309182 A GB 309182A GB 10490/29 A GB10490/29 A GB 10490/29A GB 1049029 A GB1049029 A GB 1049029A GB 309182 A GB309182 A GB 309182A
Authority
GB
United Kingdom
Prior art keywords
electric current
safety devices
improvements relating
current distributing
distributing installations
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
GB10490/29A
Other languages
English (en)
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.)
RWE AG
Original Assignee
Rheinisch Westfaelisches Elektrizitaetswerk AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rheinisch Westfaelisches Elektrizitaetswerk AG filed Critical Rheinisch Westfaelisches Elektrizitaetswerk AG
Publication of GB309182A publication Critical patent/GB309182A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
GB10490/29A 1928-04-07 1929-04-04 Improvements relating to safety devices for electric current distributing installations Expired GB309182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE309182X 1928-04-07

Publications (1)

Publication Number Publication Date
GB309182A true GB309182A (en) 1930-10-06

Family

ID=6121951

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10490/29A Expired GB309182A (en) 1928-04-07 1929-04-04 Improvements relating to safety devices for electric current distributing installations

Country Status (4)

Country Link
BE (1) BE359469A (enrdf_load_stackoverflow)
FR (1) FR672475A (enrdf_load_stackoverflow)
GB (1) GB309182A (enrdf_load_stackoverflow)
NL (1) NL26000C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR672475A (fr) 1929-12-28
BE359469A (enrdf_load_stackoverflow)
NL26000C (enrdf_load_stackoverflow)

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