CH573180A5 - - Google Patents

Info

Publication number
CH573180A5
CH573180A5 CH1321874A CH1321874A CH573180A5 CH 573180 A5 CH573180 A5 CH 573180A5 CH 1321874 A CH1321874 A CH 1321874A CH 1321874 A CH1321874 A CH 1321874A CH 573180 A5 CH573180 A5 CH 573180A5
Authority
CH
Switzerland
Application number
CH1321874A
Original Assignee
Sprecher & Schuh 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
Application filed by Sprecher & Schuh Ag filed Critical Sprecher & Schuh Ag
Priority to CH1321874A priority Critical patent/CH573180A5/xx
Priority to DE19752517399 priority patent/DE2517399A1/de
Priority to JP50077517A priority patent/JPS6022570B2/ja
Priority to GB37091/75A priority patent/GB1525475A/en
Priority to US05/618,210 priority patent/US3988641A/en
Publication of CH573180A5 publication Critical patent/CH573180A5/xx

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
    • H02H3/12—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 underload or no-load
    • H02H3/13—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 underload or no-load for multiphase applications, e.g. phase interruption
    • 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
    • H02H3/32—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 in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34—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 in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
CH1321874A 1974-10-01 1974-10-01 CH573180A5 (xx)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1321874A CH573180A5 (xx) 1974-10-01 1974-10-01
DE19752517399 DE2517399A1 (de) 1974-10-01 1975-04-19 Phasenausfall- und nullstrom-detektor, insbesondere in einem elektronischen motorschutzrelais mit stromabhaengiger ausloesung
JP50077517A JPS6022570B2 (ja) 1974-10-01 1975-06-23 電子式電動機保護リレ−のための欠相および無電流状態検出器
GB37091/75A GB1525475A (en) 1974-10-01 1975-09-09 Phase failure-and null current-detector especially for an electronic motor protection relay possessing current-dependent triggering
US05/618,210 US3988641A (en) 1974-10-01 1975-09-30 Phase breakdown- and null current-detector, especially for an electronic motor protection relay possessing current-dependent triggering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1321874A CH573180A5 (xx) 1974-10-01 1974-10-01

Publications (1)

Publication Number Publication Date
CH573180A5 true CH573180A5 (xx) 1976-02-27

Family

ID=4390448

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1321874A CH573180A5 (xx) 1974-10-01 1974-10-01

Country Status (5)

Country Link
US (1) US3988641A (xx)
JP (1) JPS6022570B2 (xx)
CH (1) CH573180A5 (xx)
DE (1) DE2517399A1 (xx)
GB (1) GB1525475A (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH632108A5 (en) * 1978-07-14 1982-09-15 Sprecher & Schuh Ag Electrical circuit for simulating the thermal behaviour of a three-phase electrical apparatus or machine
JPS61251883A (ja) * 1985-09-13 1986-11-08 Toshiba Corp 表示装置
US4939438A (en) * 1986-03-14 1990-07-03 Orbital Sciences Corporation Ii Relay control assembly
ES2065241B1 (es) * 1992-12-09 1995-10-01 Ibarguengoitia Francisco Gomez Rele electronico para proteccion de motores y tiristores contra sobrecarga simetrica, desequilibrio de fases y cortocircuito.
US5668692A (en) * 1993-10-27 1997-09-16 Square D Company Self-powered circuit interruption arrangement
US5598315A (en) * 1993-10-27 1997-01-28 Square D Company Self-power tripping relay with balanced power supply current and measurement current
US7598812B2 (en) * 2006-06-16 2009-10-06 Cypress Semiconductor Corporation Shorted input detection for amplifier circuits
US8013557B2 (en) * 2007-10-30 2011-09-06 Anpec Electronics Corporation Motor protection device and method
US11079443B2 (en) * 2018-12-21 2021-08-03 Analog Devices International Unlimited Company Switch fault detection techniques for DC-DC converters

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534444A (de) * 1972-05-23 1973-02-28 Sprecher & Schuh Ag Elektronisches Motorschutzrelais mit stromabhängiger Auslösung
US3845354A (en) * 1973-05-21 1974-10-29 Gen Electric Canada Solid state thermal overload indicator

Also Published As

Publication number Publication date
JPS6022570B2 (ja) 1985-06-03
JPS5142941A (xx) 1976-04-12
US3988641A (en) 1976-10-26
DE2517399A1 (de) 1976-04-15
GB1525475A (en) 1978-09-20

Similar Documents

Publication Publication Date Title
AU495930B2 (xx)
FR2258197B3 (xx)
CH1163975A4 (xx)
AU480208A (xx)
AU480247A (xx)
AU480471A (xx)
AU480758A (xx)
AU480863A (xx)
BG19768A1 (xx)
BG19847A1 (xx)
BG19987A1 (xx)
BG20440A1 (xx)
BG20446A1 (xx)
BG20451A1 (xx)
BG20462A1 (xx)
BG20638A1 (xx)
BG20854A1 (xx)
BG20883A1 (xx)
BG20885A1 (xx)
BG20950A1 (xx)
AU479931A (xx)
BG21307A1 (xx)
BG21351A1 (xx)
BG21352A1 (xx)
BG21526A1 (xx)

Legal Events

Date Code Title Description
PL Patent ceased