ZA837773B - Zero crossing circuit - Google Patents

Zero crossing circuit

Info

Publication number: ZA837773B
Authority: ZA; South Africa
Prior art keywords: zero crossing; crossing circuit; circuit; zero; crossing
Prior art date: 1982-10-23

Application number

ZA837773A

Inventor

William Henry Frank Packham

Original Assignee

Hawker Siddeley Revenue Contr

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.)

1982-10-23

Filing date

1983-10-19

Publication date

1984-06-27

1983-10-19 Application filed by Hawker Siddeley Revenue Contr filed Critical Hawker Siddeley Revenue Contr

1984-06-27 Publication of ZA837773B publication Critical patent/ZA837773B/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the AC cycle
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/12—Armature is movable between two limit positions of rest and is moved in both directions due to the energisation of one or the other of two electromagnets without the storage of energy to effect the return movement

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Keying Circuit Devices (AREA)
Breakers (AREA)

ZA837773A 1982-10-23 1983-10-19 Zero crossing circuit ZA837773B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB08230339A GB2130436A (en)	1982-10-23	1982-10-23	Zero crossing circuit for arcing preventing in circuit breakers

Publications (1)

Publication Number	Publication Date
ZA837773B true ZA837773B (en)	1984-06-27

Family

ID=10533813

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA837773A ZA837773B (en)	1982-10-23	1983-10-19	Zero crossing circuit

Country Status (5)

Country	Link
EP (1)	EP0108538A1 (en)
AU (1)	AU2044683A (en)
ES (1)	ES526671A0 (en)
GB (2)	GB2130436A (en)
ZA (1)	ZA837773B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3427478A1 (en) *	1984-07-25	1986-02-06	Siemens AG, 1000 Berlin und 8000 München	METHOD AND DEVICE FOR SWITCHING LOADS AVOIDING HIGH SWITCH-IN CURRENT PEAKS
EP0200099B1 (en) *	1985-04-19	1991-09-11	Siemens Aktiengesellschaft	Control circuit for an electromagnetic relay to interrupt an ac circuit under tension
DE3812734A1 (en) *	1988-04-16	1989-10-26	Asea Brown Boveri	METHOD AND DEVICE FOR CONTROLLING A DRIVE DEVICE OF A MEDIUM OR HIGH VOLTAGE SWITCHING DEVICE
NO167424C (en) *	1989-03-06	1991-10-30	Sinvent As	PROCEDURE AND DEVICE FOR CONNECTION RESP. DISCONNECTING A LOAD CIRCUIT IN AN ELECTRIC AC POWER NETWORK.
GB2233824B (en) *	1989-07-06	1993-12-22	B & R Electrical Plc	Design of a solenoid actuated relay
EP0571122B1 (en) *	1992-05-20	1998-08-12	Texas Instruments Incorporated	Method and apparatus for enhancing relay life
GB2299712B (en) *	1995-04-07	1999-08-11	Thompson Royce Ltd	Switching controller
US5821642A (en) *	1996-11-04	1998-10-13	Hubbell Incorporated	Arc prevention circuit for a mechanical switch
ES2153776B1 (en) *	1999-04-19	2001-10-01	Univ Coruna	INSTANT ADJUSTMENT CLOSURE MODULE OF A CONTACTOR.
FR2953938B1 (en) *	2009-12-14	2012-04-13	Sagem Comm	METHOD FOR OPENING OR CLOSING AN ELECTRICAL CIRCUIT AT AN ELECTRIC COUNTER
US9793716B2 (en)	2014-04-24	2017-10-17	Elster Solutions, Llc	Power meter disconnect switch operation

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB253143A (en) *
GB248821A (en) *	1924-12-05	1926-03-05	Gramophone Co Ltd	Improvements in sound reproducing systems
US2032475A (en) *	1927-09-28	1936-03-03	Otis Elevator Co	Elevator system
GB336575A (en) *	1929-07-13	1930-10-13	John Stewart Burns	Improvements in or relating to electric switches
GB428529A (en) *	1933-10-06	1935-05-07	Gen Electric Co Ltd	Improvements in mechanisms for operating electric switches or other devices with snap action and adapted to be actuated electromagnetically
GB423967A (en) *	1933-11-27	1935-02-12	Herbert Victor Harwood	Improvements in or relating to electricity meters
GB969915A (en) *	1961-07-18	1964-09-16	Central Electr Generat Board	Improvements in or relating to electrical circuit-breakers
US3243656A (en) *	1963-09-09	1966-03-29	Allis Chalmers Mfg Co	Circuit interrupter control responsive to wave form
US3265933A (en) *	1963-10-24	1966-08-09	Allis Chalmers Mfg Co	Control circuit for operating circuit interrupter at a zero current point in system wave form
GB1130583A (en) *	1965-06-02	1968-10-16	English Electric Co Ltd	Control systems for switching an a.c. electric supply
GB1135092A (en) *	1966-05-19	1968-11-27	Allis Chalmers Mfg Co	Improved circuit for controlling a circuit interrupter device
US3566152A (en) *	1969-07-23	1971-02-23	Gen Electric	High voltage electric circuit breaker including a synchronously closed resistor switch
US3702941A (en) *	1971-06-14	1972-11-14	Rca Corp	Zero crossing point switching circuit
US3950657A (en) *	1974-10-21	1976-04-13	Rca Corporation	Timer circuits
US4001643A (en) *	1975-05-29	1977-01-04	The United States Of America As Represented By The Secretary Of The Interior	Method and apparatus for a power circuit breaker controller
US4010386A (en) *	1976-01-20	1977-03-01	Burroughs Corporation	Synchronous switch control circuit
DE2753765C2 (en) *	1976-12-03	1986-03-20	Hitachi, Ltd., Tokio/Tokyo	Relay control circuit
US4178572A (en) *	1978-04-03	1979-12-11	Gould Inc.	Load management apparatus
JPS5845212B2 (en) *	1979-03-05	1983-10-07	株式会社芝浦電子製作所	Zero cross pulse generation circuit
US4296449A (en) *	1979-08-27	1981-10-20	General Electric Company	Relay switching apparatus
GB2069762A (en) *	1980-02-14	1981-08-26	Lyons Claude Ltd	Arrangement for controlling the operation of switch contacts
US4306263A (en) *	1980-03-28	1981-12-15	Gould Inc.	Synchronous closing system and latch therefor
US4311956A (en) *	1980-06-19	1982-01-19	Pitney Bowes Inc.	Zero crossing phase fired controller
US4356525A (en) *	1981-01-05	1982-10-26	General Electric Company	Method and circuit for controlling a hybrid contactor
EP0063893B1 (en) *	1981-04-21	1988-06-29	Mainmet Limited	Energy controller

1982
- 1982-10-23 GB GB08230339A patent/GB2130436A/en not_active Withdrawn
1983
- 1983-05-19 GB GB08313850A patent/GB2130012A/en not_active Withdrawn
- 1983-10-19 ZA ZA837773A patent/ZA837773B/en unknown
- 1983-10-21 EP EP83306408A patent/EP0108538A1/en not_active Withdrawn
- 1983-10-21 ES ES526671A patent/ES526671A0/en active Granted
- 1983-10-21 AU AU20446/83A patent/AU2044683A/en not_active Abandoned

Also Published As

Publication number	Publication date
GB2130012A (en)	1984-05-23
ES8406739A1 (en)	1984-08-01
GB8313850D0 (en)	1983-06-22
EP0108538A1 (en)	1984-05-16
ES526671A0 (en)	1984-08-01
GB2130436A (en)	1984-05-31
AU2044683A (en)	1984-05-03

Publication	Publication Date	Title
DE3378879D1 (en)	1989-02-09	Logical circuit
GB2130833B (en)	1986-08-28	Interface circuit
GB8402650D0 (en)	1984-03-07	Circuit
GB8316270D0 (en)	1983-07-20	Circuit arrangement
EP0107028A3 (en)	1985-08-21	Circuit arrangement
GB8322131D0 (en)	1983-09-21	Circuits
GB8312266D0 (en)	1983-06-08	Horizontal circuit
GB8333133D0 (en)	1984-01-18	Sample-&-hold circuit
GB8328851D0 (en)	1983-11-30	Circuit arrangement
GB8305972D0 (en)	1983-04-07	Circuit
GB8304856D0 (en)	1983-03-23	Circuit arrangement
GB8410849D0 (en)	1984-06-06	Circuit
GB8322814D0 (en)	1983-09-28	Circuit
ZA837773B (en)	1984-06-27	Zero crossing circuit
GB8312055D0 (en)	1983-06-08	Circuit arrangement
GB8300732D0 (en)	1983-02-16	Circuit
GB8430687D0 (en)	1985-01-16	Circuit
GB8300387D0 (en)	1983-02-09	Circuit arrangement
GB8411891D0 (en)	1984-06-13	Circuit
GB8311645D0 (en)	1983-06-02	Circuit
GB8313517D0 (en)	1983-06-22	Circuit
GB8330889D0 (en)	1983-12-29	Circuits
GB8326201D0 (en)	1983-11-02	Circuit arrangements
GB8313988D0 (en)	1983-06-29	Circuit arrangement
GB8401298D0 (en)	1984-02-22	Circuit