NL7601260A - PROTECTION DEVICE FOR AN ELECTRIC MACHINE OR TRANSFORMER OF HIGH POWER. - Google Patents

PROTECTION DEVICE FOR AN ELECTRIC MACHINE OR TRANSFORMER OF HIGH POWER.

Info

Publication number
NL7601260A
NL7601260A NL7601260A NL7601260A NL7601260A NL 7601260 A NL7601260 A NL 7601260A NL 7601260 A NL7601260 A NL 7601260A NL 7601260 A NL7601260 A NL 7601260A NL 7601260 A NL7601260 A NL 7601260A
Authority
NL
Netherlands
Prior art keywords
transformer
electric machine
protection device
high power
protection
Prior art date
Application number
NL7601260A
Other languages
Dutch (nl)
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of NL7601260A publication Critical patent/NL7601260A/en

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • H02H7/045—Differential protection of transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Synchronous Machinery (AREA)
NL7601260A 1975-02-10 1976-02-09 PROTECTION DEVICE FOR AN ELECTRIC MACHINE OR TRANSFORMER OF HIGH POWER. NL7601260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752505504 DE2505504A1 (en) 1975-02-10 1975-02-10 PROTECTIVE DEVICE FOR ELECTRIC MACHINE OR TRANSFORMER WITH VERY HIGH PERFORMANCE

Publications (1)

Publication Number Publication Date
NL7601260A true NL7601260A (en) 1976-08-12

Family

ID=5938512

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7601260A NL7601260A (en) 1975-02-10 1976-02-09 PROTECTION DEVICE FOR AN ELECTRIC MACHINE OR TRANSFORMER OF HIGH POWER.

Country Status (4)

Country Link
CH (1) CH598708A5 (en)
DE (1) DE2505504A1 (en)
FR (1) FR2300447A1 (en)
NL (1) NL7601260A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226266C1 (en) * 1982-07-14 1983-12-29 Daimler-Benz Ag, 7000 Stuttgart Failure warning device for electrical loads
DE102006023324A1 (en) 2006-05-11 2007-11-15 Siemens Ag Detection and limitation of maximum stator currents

Also Published As

Publication number Publication date
DE2505504A1 (en) 1976-08-19
CH598708A5 (en) 1978-05-12
FR2300447A1 (en) 1976-09-03

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Legal Events

Date Code Title Description
BV The patent application has lapsed