CA926938A - Load tap changer apparatus - Google Patents

Load tap changer apparatus

Info

Publication number
CA926938A
CA926938A CA108650A CA108650A CA926938A CA 926938 A CA926938 A CA 926938A CA 108650 A CA108650 A CA 108650A CA 108650 A CA108650 A CA 108650A CA 926938 A CA926938 A CA 926938A
Authority
CA
Canada
Prior art keywords
tap changer
load tap
changer apparatus
load
tap
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
Application number
CA108650A
Other versions
CA108650S (en
Inventor
L. Prescott Herbert
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA926938A publication Critical patent/CA926938A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H2009/0061—Monitoring tap change switching devices
CA108650A 1970-04-16 1971-03-25 Load tap changer apparatus Expired CA926938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29157A US3602807A (en) 1970-04-16 1970-04-16 Load tap changer apparatus with magnetic transducer protective circuitry

Publications (1)

Publication Number Publication Date
CA926938A true CA926938A (en) 1973-05-22

Family

ID=21847555

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108650A Expired CA926938A (en) 1970-04-16 1971-03-25 Load tap changer apparatus

Country Status (5)

Country Link
US (1) US3602807A (en)
JP (1) JPS465023A (en)
CA (1) CA926938A (en)
FR (1) FR2086115B1 (en)
ZM (1) ZM7471A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735243A (en) * 1972-04-03 1973-05-22 Gen Electric Control system for tap changer with vacuum interrupter
SE390370C (en) * 1972-12-15 1986-02-05 Arla Ekonomisk Foerening METHOD OF PROCEDURE FOR PREPARING THE LOW CALORARY MARGARINE WITH HIGH PROTEIN, WHEREAS THE WATER PHASE IS PREPARED BY A PROTEIN CONCENTRATE RECOVERED FROM BACTERIAL WAY ACID NON-MILK AND WHERE THE PREPARED EMBODIMENTS
US4061963A (en) * 1976-04-27 1977-12-06 Westinghouse Electric Corporation Load tap changer system
US4090225A (en) * 1977-01-21 1978-05-16 Mcgraw-Edison Company Fail-safe circuit for tap-changing transformer regulating system
US4388664A (en) * 1980-08-04 1983-06-14 Fuji Electric Co., Ltd. Apparatus for protecting vacuum interrupter type on-line tap changer
JP2902763B2 (en) * 1990-10-04 1999-06-07 旭電化工業株式会社 Water-in-oil emulsified fat composition for kneading
DE19744465C1 (en) * 1997-10-08 1999-03-11 Reinhausen Maschf Scheubeck Means for regulation of a multi-contact switch for tapped transformer
US6944002B2 (en) * 2003-09-12 2005-09-13 General Electric Company Automatic transfer switch and protection device
EP2691968B1 (en) 2011-03-27 2014-12-03 ABB Technology AG Tap changer with an improved monitoring system
BR112013024908B1 (en) 2011-03-27 2021-02-17 Abb Schweiz Ag on-load tap-changer to switch taps on a transformer winding

Also Published As

Publication number Publication date
ZM7471A1 (en) 1973-03-21
FR2086115B1 (en) 1974-02-15
US3602807A (en) 1971-08-31
JPS465023A (en) 1971-11-24
FR2086115A1 (en) 1971-12-31

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