FR2288407A1 - Surveillance of parallel power generators - uses service parameter measurement with threshold detector - Google Patents

Surveillance of parallel power generators - uses service parameter measurement with threshold detector

Info

Publication number
FR2288407A1
FR2288407A1 FR7531300A FR7531300A FR2288407A1 FR 2288407 A1 FR2288407 A1 FR 2288407A1 FR 7531300 A FR7531300 A FR 7531300A FR 7531300 A FR7531300 A FR 7531300A FR 2288407 A1 FR2288407 A1 FR 2288407A1
Authority
FR
France
Prior art keywords
surveillance
threshold detector
power generators
parameter measurement
service parameter
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.)
Granted
Application number
FR7531300A
Other languages
French (fr)
Other versions
FR2288407B1 (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 AG
Original Assignee
Siemens 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
Priority claimed from DE19742448878 external-priority patent/DE2448878B2/en
Priority claimed from DE19752507868 external-priority patent/DE2507868B2/en
Priority claimed from DE19752507867 external-priority patent/DE2507867B2/en
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2288407A1 publication Critical patent/FR2288407A1/en
Application granted granted Critical
Publication of FR2288407B1 publication Critical patent/FR2288407B1/fr
Granted 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
    • H02H3/36—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 of different systems, e.g. of parallel feeder systems

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Protection Of Static Devices (AREA)
  • Protection Of Generators And Motors (AREA)

Abstract

The system uses a '2 from 3' comparison and each power generating group has sensors to measure the service parameters. Each group has a protection stage and some method by which it is taken out of service. Differential service parameters are sensed by a threshold detector which can take the groups out of service. This surveillance system monitors the failure of performance of one power generator from a multiple of such generators that have parallel and common outputs.
FR7531300A 1974-10-14 1975-10-13 Surveillance of parallel power generators - uses service parameter measurement with threshold detector Granted FR2288407A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19742448878 DE2448878B2 (en) 1974-10-14 1974-10-14 MONITORING DEVICE FOR THREE OR MORE POWER UNITS WORKING IN PARALLEL TO SHUT DOWN A FAILED POWER UNIT
DE19752507868 DE2507868B2 (en) 1975-02-24 1975-02-24 Monitoring device for several power units working in parallel
DE19752507867 DE2507867B2 (en) 1975-02-24 1975-02-24 Monitoring device for several power units working in parallel

Publications (2)

Publication Number Publication Date
FR2288407A1 true FR2288407A1 (en) 1976-05-14
FR2288407B1 FR2288407B1 (en) 1981-12-18

Family

ID=27186122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7531300A Granted FR2288407A1 (en) 1974-10-14 1975-10-13 Surveillance of parallel power generators - uses service parameter measurement with threshold detector

Country Status (7)

Country Link
JP (1) JPS6041531B2 (en)
AT (1) AT343227B (en)
CH (1) CH599701A5 (en)
FR (1) FR2288407A1 (en)
IT (1) IT1043268B (en)
NL (1) NL7509490A (en)
SE (1) SE418424B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0212271Y2 (en) * 1984-11-26 1990-04-06
DE3514429A1 (en) * 1985-04-20 1986-10-23 PS Förder- und Lagertechnik GmbH, 6800 Mannheim Monitor for the motors of a traversing double drive for grab-dredger systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021703Y2 (en) * 1971-04-03 1975-07-01
JPS5249608B2 (en) * 1973-01-17 1977-12-19

Also Published As

Publication number Publication date
FR2288407B1 (en) 1981-12-18
SE7511435L (en) 1976-04-15
AT343227B (en) 1978-05-10
JPS5163454A (en) 1976-06-01
IT1043268B (en) 1980-02-20
JPS6041531B2 (en) 1985-09-17
ATA625075A (en) 1977-09-15
NL7509490A (en) 1976-04-20
CH599701A5 (en) 1978-05-31
SE418424B (en) 1981-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse