GB2297439B - Power controller - Google Patents

Power controller

Info

Publication number
GB2297439B
GB2297439B GB9501453A GB9501453A GB2297439B GB 2297439 B GB2297439 B GB 2297439B GB 9501453 A GB9501453 A GB 9501453A GB 9501453 A GB9501453 A GB 9501453A GB 2297439 B GB2297439 B GB 2297439B
Authority
GB
United Kingdom
Prior art keywords
power controller
controller
power
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.)
Expired - Fee Related
Application number
GB9501453A
Other versions
GB9501453D0 (en
GB2297439A (en
Inventor
Bhaskar Karman Shah
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.)
Caradon MK Electric Ltd
Original Assignee
Caradon MK Electric Ltd
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 Caradon MK Electric Ltd filed Critical Caradon MK Electric Ltd
Priority to GB9501453A priority Critical patent/GB2297439B/en
Publication of GB9501453D0 publication Critical patent/GB9501453D0/en
Publication of GB2297439A publication Critical patent/GB2297439A/en
Priority to HK98114986A priority patent/HK1013738A1/en
Application granted granted Critical
Publication of GB2297439B publication Critical patent/GB2297439B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/13—Modifications for switching at zero crossing
    • H03K17/136—Modifications for switching at zero crossing in thyristor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0824—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in thyristor switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
GB9501453A 1995-01-25 1995-01-25 Power controller Expired - Fee Related GB2297439B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9501453A GB2297439B (en) 1995-01-25 1995-01-25 Power controller
HK98114986A HK1013738A1 (en) 1995-01-25 1998-12-23 Power controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9501453A GB2297439B (en) 1995-01-25 1995-01-25 Power controller

Publications (3)

Publication Number Publication Date
GB9501453D0 GB9501453D0 (en) 1995-03-15
GB2297439A GB2297439A (en) 1996-07-31
GB2297439B true GB2297439B (en) 1999-04-28

Family

ID=10768551

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9501453A Expired - Fee Related GB2297439B (en) 1995-01-25 1995-01-25 Power controller

Country Status (2)

Country Link
GB (1) GB2297439B (en)
HK (1) HK1013738A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2348551A (en) * 1999-01-25 2000-10-04 Anthony James Doyle Safety system for dimmer switches
DE10121881A1 (en) * 2001-05-05 2002-11-14 Infineon Technologies Ag Method for controlling semiconductor element and circuit arrangement monitors rate of change of semiconductor temperature
US7190124B2 (en) 2005-05-16 2007-03-13 Lutron Electronics Co., Inc. Two-wire dimmer with power supply and load protection circuit in the event of switch failure
US7719812B2 (en) * 2007-05-15 2010-05-18 Astec International Limited Power converters with rate of change monitoring for fault prediction and/or detection
GB2504967A (en) * 2012-08-15 2014-02-19 Alan Radford Electrical supply unit with overheating protection measuring rate of change of temperature

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039928A (en) * 1976-07-19 1977-08-02 Pertron Controls Corporation Electrical operating circuit having semiconductor device junction temperature monitoring
US4251764A (en) * 1979-04-26 1981-02-17 Pertron Controls Corporation Interface circuit for interconnecting an electronic controller to a resistance welding machine
US4675777A (en) * 1984-12-13 1987-06-23 General Electric Company Temperature-responsive circuit for load control apparatus
US4982143A (en) * 1988-02-15 1991-01-01 Robert Bosch Gmbh Phase control circuit for protection of a motor against thermal overload
WO1994000965A1 (en) * 1992-06-23 1994-01-06 Electrosonic Limited A power controller, for example a dimmer for electric lamps

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039928A (en) * 1976-07-19 1977-08-02 Pertron Controls Corporation Electrical operating circuit having semiconductor device junction temperature monitoring
US4251764A (en) * 1979-04-26 1981-02-17 Pertron Controls Corporation Interface circuit for interconnecting an electronic controller to a resistance welding machine
US4675777A (en) * 1984-12-13 1987-06-23 General Electric Company Temperature-responsive circuit for load control apparatus
US4982143A (en) * 1988-02-15 1991-01-01 Robert Bosch Gmbh Phase control circuit for protection of a motor against thermal overload
WO1994000965A1 (en) * 1992-06-23 1994-01-06 Electrosonic Limited A power controller, for example a dimmer for electric lamps

Also Published As

Publication number Publication date
HK1013738A1 (en) 1999-09-03
GB9501453D0 (en) 1995-03-15
GB2297439A (en) 1996-07-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100125