FR1076202A - Perfectionnements aux circuits pilotes électriques de protection ou autres - Google Patents

Perfectionnements aux circuits pilotes électriques de protection ou autres

Info

Publication number
FR1076202A
FR1076202A FR1076202DA FR1076202A FR 1076202 A FR1076202 A FR 1076202A FR 1076202D A FR1076202D A FR 1076202DA FR 1076202 A FR1076202 A FR 1076202A
Authority
FR
France
Prior art keywords
protection
pilot circuits
electrical pilot
electrical
circuits
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
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.)
A Reyrolle and Co Ltd
Original Assignee
A Reyrolle and Co Ltd
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 A Reyrolle and Co Ltd filed Critical A Reyrolle and Co Ltd
Application granted granted Critical
Publication of FR1076202A publication Critical patent/FR1076202A/fr
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
    • H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
    • H02H3/307—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR1076202D 1952-02-18 1953-02-17 Perfectionnements aux circuits pilotes électriques de protection ou autres Expired FR1076202A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1076202X 1952-02-18

Publications (1)

Publication Number Publication Date
FR1076202A true FR1076202A (fr) 1954-10-25

Family

ID=10872193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1076202D Expired FR1076202A (fr) 1952-02-18 1953-02-17 Perfectionnements aux circuits pilotes électriques de protection ou autres

Country Status (1)

Country Link
FR (1) FR1076202A (fr)

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