2707258

Information

• Patent Grant
• 2707258

• References
• Source

• Patent Number

  2,707,258

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1955
  69 years ago

• CPC

  • H02M5/005 - using discharge tubes
  • H02P23/08 - Controlling based on slip frequency
  • H02P25/26 - with arrangements for controlling secondary impedance
  • H02P27/16 - using ac to ac converters without intermediate conversion to dc
  • H02P21/09 - Field phase angle calculation based on rotor voltage equation by adding slip frequency and speed proportional frequency

• US Classifications

  • 318 - Electricity: motive power systems
  • 363 - Electric power conversion systems