NO122851B - - Google Patents

Download PDF

Info

Publication number
NO122851B
NO122851B NO165170A NO165170A NO122851B NO 122851 B NO122851 B NO 122851B NO 165170 A NO165170 A NO 165170A NO 165170 A NO165170 A NO 165170A NO 122851 B NO122851 B NO 122851B
Authority
NO
Norway
Prior art keywords
thyristors
current
load
quick
voltage
Prior art date
Application number
NO165170A
Other languages
English (en)
Norwegian (no)
Inventor
E Henriksen
Original Assignee
Nat Ind As
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 Nat Ind As filed Critical Nat Ind As
Priority to NO165170A priority Critical patent/NO122851B/no
Priority to SE505471A priority patent/SE367273B/xx
Priority to DE19712120679 priority patent/DE2120679C3/de
Priority to DE19712166929 priority patent/DE2166929A1/de
Priority to FR7115381A priority patent/FR2090942A5/fr
Priority to DK206971A priority patent/DK126406B/da
Priority to GB1256271A priority patent/GB1300860A/en
Publication of NO122851B publication Critical patent/NO122851B/no

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
    • B23K9/0288—Seam welding; Backing means; Inserts for curved planar seams for welding of tubes to tube plates
    • 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices
    • H01H9/542—Contacts shunted by static switch means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Ac-Ac Conversion (AREA)
NO165170A 1970-04-30 1970-04-30 NO122851B (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NO165170A NO122851B (fr) 1970-04-30 1970-04-30
SE505471A SE367273B (fr) 1970-04-30 1971-04-19
DE19712120679 DE2120679C3 (de) 1970-04-30 1971-04-27 Lastumschalter für einen Stufenschalter eines Transformators
DE19712166929 DE2166929A1 (de) 1970-04-30 1971-04-27 Schaltungsanordnung zur umschaltung eines stufentransformators mit je 2 haupt- und hilfskontaktpaaren
FR7115381A FR2090942A5 (fr) 1970-04-30 1971-04-29
DK206971A DK126406B (da) 1970-04-30 1971-04-29 Anordning ved en belastningskobler til reguleringstransformatorer.
GB1256271A GB1300860A (en) 1970-04-30 1971-04-30 Improvements in on-load changers for regulating transformers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO165170A NO122851B (fr) 1970-04-30 1970-04-30

Publications (1)

Publication Number Publication Date
NO122851B true NO122851B (fr) 1971-08-23

Family

ID=19878347

Family Applications (1)

Application Number Title Priority Date Filing Date
NO165170A NO122851B (fr) 1970-04-30 1970-04-30

Country Status (6)

Country Link
DE (2) DE2120679C3 (fr)
DK (1) DK126406B (fr)
FR (1) FR2090942A5 (fr)
GB (1) GB1300860A (fr)
NO (1) NO122851B (fr)
SE (1) SE367273B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844872A1 (de) * 1978-10-14 1980-04-30 Siemens Ag Stelltransformator fuer elektrische spielzeug- und modelleisenbahnen
DE3304851A1 (de) * 1983-02-12 1984-08-16 Reinhausen Maschf Scheubeck Schaltanordnung fuer lastumschalter von stufenschaltern fuer stufentransformatoren
SE436530B (sv) * 1983-05-10 1984-12-17 Asea Ab Lindningskopplare
FR2695769B1 (fr) * 1992-09-17 1994-11-25 Electricite De France Circuit statique variateur de tension alternative en charge.
US7595614B2 (en) * 2007-12-07 2009-09-29 Pennsylvania Transformer Technology, Inc. Load tap changer
CN114558694B (zh) * 2022-02-28 2022-12-20 广东大唐国际雷州发电有限责任公司 一种燃煤电厂智能电除尘设备及除尘方法

Also Published As

Publication number Publication date
GB1300860A (en) 1972-12-20
FR2090942A5 (fr) 1972-01-14
DE2120679C3 (de) 1980-02-07
DE2120679B2 (de) 1977-03-31
DK126406B (da) 1973-07-09
SE367273B (fr) 1974-05-20
DE2166929A1 (de) 1976-10-28
DE2120679A1 (de) 1971-11-18

Similar Documents

Publication Publication Date Title
US3944891A (en) Circuit for verifying correct connections to a three-wire dual voltage power distribution system and the absence of open circuit conditions therein
US2085060A (en) Constant current system
NO122851B (fr)
US3319153A (en) Automatic voltage control circuit employing electronic tap charger
US3633072A (en) Phase detection circuit
US3986103A (en) Monitoring circuit for a plurality of valves
US3944913A (en) System for effecting tap changes of tapped transformer windings by means of thyristors
US3588518A (en) Power multiplexing system
US3401308A (en) Circuit arrangements for detecting phase unbalance
US2935676A (en) Sensing device for diode rectifiers
US1929059A (en) Electric fault responsive apparatus
US2099715A (en) Constant current system
US2345155A (en) Automatic reclosing circuit breaker system
US3163800A (en) Protection device for transformers operating in parallel
US2275881A (en) Fault protective system
US1944072A (en) Automatic reclosing circuit breaker system
US2938150A (en) Phase failure protector
US2331643A (en) Electric valve protective system
US1947193A (en) Electrical power distribution system
SE436529B (sv) Lindningskopplare
US1843921A (en) Power system voltage regulator
US1734915A (en) Mercury arc rectifier system
US2169202A (en) Electric valve protective system
US2225055A (en) Circuit interrupting means
US1780664A (en) Control system