AU6586000A - The protection of an electricity generator - Google Patents

The protection of an electricity generator

Info

Publication number
AU6586000A
AU6586000A AU65860/00A AU6586000A AU6586000A AU 6586000 A AU6586000 A AU 6586000A AU 65860/00 A AU65860/00 A AU 65860/00A AU 6586000 A AU6586000 A AU 6586000A AU 6586000 A AU6586000 A AU 6586000A
Authority
AU
Australia
Prior art keywords
protection
electricity generator
electricity
generator
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.)
Abandoned
Application number
AU65860/00A
Inventor
Peter Lilje
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.)
Eskom
Original Assignee
Eskom
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 Eskom filed Critical Eskom
Publication of AU6586000A publication Critical patent/AU6586000A/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/02—Details of stopping control
    • H02P3/04—Means for stopping or slowing by a separate brake, e.g. friction brake or eddy-current brake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
AU65860/00A 1999-08-31 2000-08-11 The protection of an electricity generator Abandoned AU6586000A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA995595 1999-08-31
ZA99/5595 1999-08-31
PCT/IB2000/001116 WO2001017096A1 (en) 1999-08-31 2000-08-11 The protection of an electricity generator

Publications (1)

Publication Number Publication Date
AU6586000A true AU6586000A (en) 2001-03-26

Family

ID=25587890

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65860/00A Abandoned AU6586000A (en) 1999-08-31 2000-08-11 The protection of an electricity generator

Country Status (2)

Country Link
AU (1) AU6586000A (en)
WO (1) WO2001017096A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006041183A1 (en) * 2006-09-01 2008-03-06 Oerlikon Leybold Vacuum Gmbh Turbo-molecular vacuum pump, has motor coils connected with brake resistor by change-over contact of brake relay e.g. mechanical relay, and with inverter module by another change-over contact of brake relay
DE102007028935B4 (en) 2007-06-22 2018-12-27 Saurer Spinning Solutions Gmbh & Co. Kg Method and device for starting an electric machine with a magnetically mounted rotor
US9095856B2 (en) 2010-02-10 2015-08-04 Dresser-Rand Company Separator fluid collector and method
EP2659277B8 (en) 2010-12-30 2018-05-23 Dresser-Rand Company Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems
US8994237B2 (en) 2010-12-30 2015-03-31 Dresser-Rand Company Method for on-line detection of liquid and potential for the occurrence of resistance to ground faults in active magnetic bearing systems
WO2012138545A2 (en) 2011-04-08 2012-10-11 Dresser-Rand Company Circulating dielectric oil cooling system for canned bearings and canned electronics
US8876389B2 (en) 2011-05-27 2014-11-04 Dresser-Rand Company Segmented coast-down bearing for magnetic bearing systems
US8851756B2 (en) 2011-06-29 2014-10-07 Dresser-Rand Company Whirl inhibiting coast-down bearing for magnetic bearing systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683111A (en) * 1986-01-23 1987-07-28 Proto-Power Corporation Gas circulator for a nuclear reactor and a method for use thereof
JPS6474081A (en) * 1987-09-11 1989-03-20 Hitachi Ltd Magnetic levitation rotary machine
JP3677826B2 (en) * 1995-08-31 2005-08-03 株式会社島津製作所 Magnetic bearing device
JPH09247973A (en) * 1996-03-13 1997-09-19 Ebara Corp Method for stopping motor using magnetic bearing
JP3414918B2 (en) * 1996-03-19 2003-06-09 ティーエムエイエレクトリック株式会社 Rotary electric machine with magnetic bearing

Also Published As

Publication number Publication date
WO2001017096A1 (en) 2001-03-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase