Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
  • H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
  • H02H11/006—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage
  • H02H11/007—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage involving automatic switching for adapting the protected apparatus to the supply voltage
• • 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
  • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
  • G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
  • G05F1/16—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices
  • G05F1/20—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• General Physics & Mathematics (AREA)
• Radar, Positioning & Navigation (AREA)
• Automation & Control Theory (AREA)
• Control Of Multiple Motors (AREA)
• Control Of Electrical Variables (AREA)
• Electronic Switches (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=24671509

Family Applications (1)

Country Status (7)

Families Citing this family (12)

Family Cites Families (7)

• 0
  • BE BE568557D patent/BE568557A/xx unknown
• 1957
  • 1957-06-14 US US665768A patent/US2913657A/en not_active Expired - Lifetime
• 1958
  • 1958-06-03 GB GB17682/58A patent/GB833965A/en not_active Expired
  • 1958-06-06 DE DEW23444A patent/DE1248148B/de active Pending
  • 1958-06-11 CH CH6048958A patent/CH368225A/de unknown
  • 1958-06-13 JP JP6391958U patent/JPS3631750Y1/ja not_active Expired
  • 1958-06-13 FR FR1208488D patent/FR1208488A/fr not_active Expired

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