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GB2040121B - Power control circuits - Google Patents

Power control circuits

Info

Publication number
GB2040121B
GB2040121B GB7940221A GB7940221A GB2040121B GB 2040121 B GB2040121 B GB 2040121B GB 7940221 A GB7940221 A GB 7940221A GB 7940221 A GB7940221 A GB 7940221A GB 2040121 B GB2040121 B GB 2040121B
Authority
GB
United Kingdom
Prior art keywords
power control
control circuits
circuits
power
control
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
Application number
GB7940221A
Other versions
GB2040121A (en
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.)
Redring Electric Ltd
Original Assignee
Redring 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 Redring Electric Ltd filed Critical Redring Electric Ltd
Priority to GB7940221A priority Critical patent/GB2040121B/en
Publication of GB2040121A publication Critical patent/GB2040121A/en
Application granted granted Critical
Publication of GB2040121B publication Critical patent/GB2040121B/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28Modifications for introducing a time delay before switching
    • H03K17/292Modifications for introducing a time delay before switching in thyristor, unijunction transistor or programmable unijunction transistor switches
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M5/00Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC
    • H02M5/04Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters
    • H02M5/22Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/25Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/257Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M5/2573Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of Temperature (AREA)
GB7940221A 1978-11-21 1979-11-21 Power control circuits Expired GB2040121B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7940221A GB2040121B (en) 1978-11-21 1979-11-21 Power control circuits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7845371 1978-11-21
GB7940221A GB2040121B (en) 1978-11-21 1979-11-21 Power control circuits

Publications (2)

Publication Number Publication Date
GB2040121A GB2040121A (en) 1980-08-20
GB2040121B true GB2040121B (en) 1983-05-11

Family

ID=26269669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7940221A Expired GB2040121B (en) 1978-11-21 1979-11-21 Power control circuits

Country Status (1)

Country Link
GB (1) GB2040121B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148467B (en) * 1983-10-18 1988-04-13 Gainsborough Electrical Water heaters
CA1332844C (en) * 1986-03-13 1994-11-01 David G. Luchaco Two wire low voltage dimmer
US4954768A (en) * 1986-03-13 1990-09-04 Lutron Electronics Co., Inc. Two wire low voltage dimmer
US4876498A (en) * 1986-03-13 1989-10-24 Lutron Electronics Co. Inc. Two wire low voltage dimmer
US6153948A (en) * 1998-08-13 2000-11-28 Cogan; Adrian I. Electronic circuits with wide dynamic range of on/off delay time

Also Published As

Publication number Publication date
GB2040121A (en) 1980-08-20

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Legal Events

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