DE69833097T2 - Erdschlussüberwachungs- und Schutzverfahren für einen Wechselstrommotor mit veränderlicher Geschwindigkeit - Google Patents

Erdschlussüberwachungs- und Schutzverfahren für einen Wechselstrommotor mit veränderlicher Geschwindigkeit Download PDF

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Publication number
DE69833097T2
DE69833097T2 DE69833097T DE69833097T DE69833097T2 DE 69833097 T2 DE69833097 T2 DE 69833097T2 DE 69833097 T DE69833097 T DE 69833097T DE 69833097 T DE69833097 T DE 69833097T DE 69833097 T2 DE69833097 T2 DE 69833097T2
Authority
DE
Germany
Prior art keywords
motor
current
switching devices
drive
drive pulse
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 - Lifetime
Application number
DE69833097T
Other languages
German (de)
English (en)
Other versions
DE69833097D1 (de
Inventor
Charles Edward Roanoke Konrad
Massimo Polo
Robert Matthew Roanoke Gamber
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE69833097D1 publication Critical patent/DE69833097D1/de
Application granted granted Critical
Publication of DE69833097T2 publication Critical patent/DE69833097T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/0077—Characterised by the use of a particular software algorithm
    • 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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/08—Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency
    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
    • H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
    • 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
    • H02H11/005—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too low isolation resistance, too high load, short-circuit; earth fault
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Ac Motors In General (AREA)
  • Inverter Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
DE69833097T 1997-11-07 1998-11-05 Erdschlussüberwachungs- und Schutzverfahren für einen Wechselstrommotor mit veränderlicher Geschwindigkeit Expired - Lifetime DE69833097T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/966,289 US5945802A (en) 1996-09-27 1997-11-07 Ground fault detection and protection method for a variable speed ac electric motor
US966289 1997-11-07

Publications (2)

Publication Number Publication Date
DE69833097D1 DE69833097D1 (de) 2006-03-30
DE69833097T2 true DE69833097T2 (de) 2006-08-31

Family

ID=25511170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69833097T Expired - Lifetime DE69833097T2 (de) 1997-11-07 1998-11-05 Erdschlussüberwachungs- und Schutzverfahren für einen Wechselstrommotor mit veränderlicher Geschwindigkeit

Country Status (4)

Country Link
US (1) US5945802A (enExample)
EP (1) EP0915348B1 (enExample)
JP (1) JP4012637B2 (enExample)
DE (1) DE69833097T2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
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EP3609032A1 (de) * 2018-08-11 2020-02-12 Diehl AKO Stiftung & Co. KG Verfahren zum erkennen eines motorphasenfehlers an einer motoranordnung und antriebsschaltung zum antreiben eines elektronisch kommutierten motors

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Also Published As

Publication number Publication date
US5945802A (en) 1999-08-31
EP0915348A2 (en) 1999-05-12
DE69833097D1 (de) 2006-03-30
EP0915348A3 (en) 2001-12-12
JP4012637B2 (ja) 2007-11-21
EP0915348B1 (en) 2006-01-04
JPH11235047A (ja) 1999-08-27

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