GB2073514B - Excess voltage ripple detecting apparatus - Google Patents

Excess voltage ripple detecting apparatus

Info

Publication number
GB2073514B
GB2073514B GB8011002A GB8011002A GB2073514B GB 2073514 B GB2073514 B GB 2073514B GB 8011002 A GB8011002 A GB 8011002A GB 8011002 A GB8011002 A GB 8011002A GB 2073514 B GB2073514 B GB 2073514B
Authority
GB
United Kingdom
Prior art keywords
detecting apparatus
voltage ripple
excess voltage
ripple detecting
excess
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
GB8011002A
Other versions
GB2073514A (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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal 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 Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to GB8011002A priority Critical patent/GB2073514B/en
Publication of GB2073514A publication Critical patent/GB2073514A/en
Application granted granted Critical
Publication of GB2073514B publication Critical patent/GB2073514B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16585—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 for individual pulses, ripple or noise and other applications where timing or duration is of importance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc
    • 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
    • H02H3/50—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 the appearance of abnormal wave forms, e.g. ac in dc installations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
GB8011002A 1980-04-02 1980-04-02 Excess voltage ripple detecting apparatus Expired GB2073514B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8011002A GB2073514B (en) 1980-04-02 1980-04-02 Excess voltage ripple detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8011002A GB2073514B (en) 1980-04-02 1980-04-02 Excess voltage ripple detecting apparatus

Publications (2)

Publication Number Publication Date
GB2073514A GB2073514A (en) 1981-10-14
GB2073514B true GB2073514B (en) 1982-12-15

Family

ID=10512549

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8011002A Expired GB2073514B (en) 1980-04-02 1980-04-02 Excess voltage ripple detecting apparatus

Country Status (1)

Country Link
GB (1) GB2073514B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879623A (en) * 1985-12-02 1989-11-07 Caterpillar Industrial Inc. Voltage transients
DE3712313A1 (en) * 1987-04-11 1988-10-20 Standard Elektrik Lorenz Ag CIRCUIT ARRANGEMENT FOR MONITORING A MULTI-PULSE RECTIFIER
US11018573B2 (en) 2017-12-12 2021-05-25 Johnson Controls Fire Protection LP Power supply ripple detector

Also Published As

Publication number Publication date
GB2073514A (en) 1981-10-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee