GB2187052B - Electric motor arrangements - Google Patents

Electric motor arrangements

Info

Publication number
GB2187052B
GB2187052B GB8702555A GB8702555A GB2187052B GB 2187052 B GB2187052 B GB 2187052B GB 8702555 A GB8702555 A GB 8702555A GB 8702555 A GB8702555 A GB 8702555A GB 2187052 B GB2187052 B GB 2187052B
Authority
GB
United Kingdom
Prior art keywords
electric motor
motor arrangements
arrangements
electric
motor
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 - Fee Related
Application number
GB8702555A
Other versions
GB2187052A (en
GB8702555D0 (en
Inventor
Andrew Malcolm Plaskett
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 PLC
Original Assignee
General Electric Co PLC
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 PLC filed Critical General Electric Co PLC
Publication of GB8702555D0 publication Critical patent/GB8702555D0/en
Publication of GB2187052A publication Critical patent/GB2187052A/en
Application granted granted Critical
Publication of GB2187052B publication Critical patent/GB2187052B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H02P27/05—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 AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable
    • 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
    • H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
    • 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/24—Variable impedance in stator or rotor circuit
    • H02P25/26—Variable impedance in stator or rotor circuit with arrangements for controlling secondary impedance
GB8702555A 1986-02-19 1987-02-05 Electric motor arrangements Expired - Fee Related GB2187052B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868604079A GB8604079D0 (en) 1986-02-19 1986-02-19 Electric motor arrangements

Publications (3)

Publication Number Publication Date
GB8702555D0 GB8702555D0 (en) 1987-03-11
GB2187052A GB2187052A (en) 1987-08-26
GB2187052B true GB2187052B (en) 1990-03-07

Family

ID=10593316

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868604079A Pending GB8604079D0 (en) 1986-02-19 1986-02-19 Electric motor arrangements
GB8702555A Expired - Fee Related GB2187052B (en) 1986-02-19 1987-02-05 Electric motor arrangements

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868604079A Pending GB8604079D0 (en) 1986-02-19 1986-02-19 Electric motor arrangements

Country Status (2)

Country Link
GB (2) GB8604079D0 (en)
ZA (1) ZA871102B (en)

Also Published As

Publication number Publication date
GB2187052A (en) 1987-08-26
GB8702555D0 (en) 1987-03-11
GB8604079D0 (en) 1986-03-26
ZA871102B (en) 1987-09-30

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee