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FR1547221A - Phase sequence comparator - Google Patents

Phase sequence comparator

Info

Publication number
FR1547221A
FR1547221A FR132478A FR132478A FR1547221A FR 1547221 A FR1547221 A FR 1547221A FR 132478 A FR132478 A FR 132478A FR 132478 A FR132478 A FR 132478A FR 1547221 A FR1547221 A FR 1547221A
Authority
FR
France
Prior art keywords
phase sequence
sequence comparator
comparator
phase
sequence
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
FR132478A
Other languages
French (fr)
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.)
English Electric Co Ltd
Original Assignee
English Electric 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
Priority claimed from GB56442/66A external-priority patent/GB1168458A/en
Application filed by English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to FR132478A priority Critical patent/FR1547221A/en
Application granted granted Critical
Publication of FR1547221A publication Critical patent/FR1547221A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/18—Indicating phase sequence; Indicating synchronism
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
    • H02H11/004—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of incorrect phase sequence; with switching for obtaining correct phase sequence
    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
FR132478A 1966-12-16 1967-12-15 Phase sequence comparator Expired FR1547221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR132478A FR1547221A (en) 1966-12-16 1967-12-15 Phase sequence comparator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB56442/66A GB1168458A (en) 1966-12-16 1966-12-16 Signal sequence discriminator
FR132478A FR1547221A (en) 1966-12-16 1967-12-15 Phase sequence comparator

Publications (1)

Publication Number Publication Date
FR1547221A true FR1547221A (en) 1968-11-22

Family

ID=26181618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR132478A Expired FR1547221A (en) 1966-12-16 1967-12-15 Phase sequence comparator

Country Status (1)

Country Link
FR (1) FR1547221A (en)

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