GB2297874B - Method and circuit arrangement for switching on an electric load - Google Patents

Method and circuit arrangement for switching on an electric load

Info

Publication number: GB2297874B
Authority: GB; United Kingdom
Prior art keywords: switching; circuit arrangement; electric load; load; electric
Prior art date: 1993-09-22
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 - Fee Related

Application number

GB9606136A

Other versions

GB9606136D0 (en

GB2297874A (en

Inventor

Matti Havukainen

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.)

Nokia Oyj

Original Assignee

Nokia Telecommunications Oy

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.)

1993-09-22

Filing date

1994-09-21

Publication date

1998-04-15

1994-09-21 Application filed by Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy

1996-05-22 Publication of GB9606136D0 publication Critical patent/GB9606136D0/en

1996-08-14 Publication of GB2297874A publication Critical patent/GB2297874A/en

1998-04-15 Application granted granted Critical

1998-04-15 Publication of GB2297874B publication Critical patent/GB2297874B/en

2014-09-21 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is DC
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Automation & Control Theory (AREA)
Power Engineering (AREA)
Dc-Dc Converters (AREA)
Direct Current Feeding And Distribution (AREA)

GB9606136A 1993-09-22 1994-09-21 Method and circuit arrangement for switching on an electric load Expired - Fee Related GB2297874B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI934158A FI94195C (en)	1993-09-22	1993-09-22	Procedure and switching arrangement for starting a power source
PCT/FI1994/000422 WO1995008862A1 (en)	1993-09-22	1994-09-21	Method and switching arrangement for starting a power supply

Publications (3)

Publication Number	Publication Date
GB9606136D0 GB9606136D0 (en)	1996-05-22
GB2297874A GB2297874A (en)	1996-08-14
GB2297874B true GB2297874B (en)	1998-04-15

Family

ID=8538639

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9606136A Expired - Fee Related GB2297874B (en)	1993-09-22	1994-09-21	Method and circuit arrangement for switching on an electric load

Country Status (5)

Country	Link
AU (1)	AU7699394A (en)
DE (1)	DE4497069T1 (en)
FI (1)	FI94195C (en)
GB (1)	GB2297874B (en)
WO (1)	WO1995008862A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5721474A (en) *	1995-08-11	1998-02-24	Samsung Electronics Co., Ltd.	Method and apparatus for preventing excessive current flow in a motor
DE29519343U1 (en) *	1995-12-05	1997-01-16	Siemens AG, 80333 München	Power supply with low loss inrush current limitation
US6094036A (en) *	1995-12-05	2000-07-25	Siemens Aktiengesellschaft	Electrical power supply with low-loss inrush current limiter and step-up converter circuit
EP1162723A1 (en)	2000-06-08	2001-12-12	STMicroelectronics S.r.l.	Current generator with thermal protection
CN103738139B (en) *	2013-12-21	2016-03-16	博耐尔汽车电气系统有限公司	A kind of automobile air-container air quantity control system of overvoltage protection
CN111200355B (en) *	2018-11-19	2021-04-09	上海微电子装备（集团）股份有限公司	Power-on buffer circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4678984A (en) *	1986-04-21	1987-07-07	Sperry Corporation	Digital power converter input current control circuit
US5124630A (en) *	1990-07-30	1992-06-23	Nec Corporation	Switching power supply apparatus

1993
- 1993-09-22 FI FI934158A patent/FI94195C/en active
1994
- 1994-09-21 WO PCT/FI1994/000422 patent/WO1995008862A1/en active Application Filing
- 1994-09-21 AU AU76993/94A patent/AU7699394A/en not_active Abandoned
- 1994-09-21 GB GB9606136A patent/GB2297874B/en not_active Expired - Fee Related
- 1994-09-21 DE DE4497069T patent/DE4497069T1/en not_active Ceased

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4678984A (en) *	1986-04-21	1987-07-07	Sperry Corporation	Digital power converter input current control circuit
US5124630A (en) *	1990-07-30	1992-06-23	Nec Corporation	Switching power supply apparatus

Also Published As

Publication number	Publication date
GB9606136D0 (en)	1996-05-22
DE4497069T1 (en)	1996-10-31
FI934158A0 (en)	1993-09-22
AU7699394A (en)	1995-04-10
FI94195B (en)	1995-04-13
FI94195C (en)	1995-07-25
WO1995008862A1 (en)	1995-03-30
GB2297874A (en)	1996-08-14

Publication	Publication Date	Title
GB2283615B (en)	1997-08-27	Current limiting contact system for circuit breakers
ZA942266B (en)	1995-01-30	Switch circuit and method therefor.
GB9410087D0 (en)	1994-07-06	Current switching circuit
GB2285152B (en)	1998-06-10	Reference current circuit and reference voltage circuit
ZA947792B (en)	1995-05-18	Locking device for an electrical switch
GB9513916D0 (en)	1995-09-06	Switching circuit for an inductive load
AU681680B2 (en)	1997-09-04	Process and arrangement for limiting short circuit current on an electric energy transmission line
GB2273423B (en)	1997-04-16	An antenna switching circuit and method for operating an antenna switch
GB2297874B (en)	1998-04-15	Method and circuit arrangement for switching on an electric load
EP0713616A4 (en)	1998-02-04	Current driver with shutdown circuit
GB9300155D0 (en)	1993-03-03	Electrical circuit arrangement
GB2284938B (en)	1998-04-22	Electrical load having a current limiting device
EP0735681A3 (en)	1997-03-05	Circuit arrangement for switching an electric load
GB2273609B (en)	1996-07-31	An electrical circuit breaker
GB2284307B (en)	1997-10-22	Electrical switchgear
GB9216652D0 (en)	1992-09-16	An electrical circuit with load modification
GB2310333B (en)	2000-10-11	Switching circuit for an inductive load
GB2277407B (en)	1996-12-11	Electrical circuit breakers
GB2317719B (en)	1998-06-10	Reference current circuit and reference voltage circuit
PL299149A1 (en)	1994-12-12	Circuit for enabling operation of electric loads
GB9320925D0 (en)	1993-12-01	Electrical circuit tester
KR0107376Y1 (en)	1995-01-04	Power-off circuit at under voltage
GB9313842D0 (en)	1993-08-18	An inverter circuit
LTIP326A (en)	1994-10-25	Circuit arrangement for electric rectifing substation
IL108282A0 (en)	1995-07-31	Switching circuit and method

Legal Events

Date	Code	Title	Description
2002-04-17	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2012-05-23	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20110921