GB265966A - Improvements in apparatus for the reduction of heating in the iron parts adjoining the lead-in conductors of heavy current electrical apparatus - Google Patents

Improvements in apparatus for the reduction of heating in the iron parts adjoining the lead-in conductors of heavy current electrical apparatus

Info

Publication number
GB265966A
GB265966A GB3576/27A GB357627A GB265966A GB 265966 A GB265966 A GB 265966A GB 3576/27 A GB3576/27 A GB 3576/27A GB 357627 A GB357627 A GB 357627A GB 265966 A GB265966 A GB 265966A
Authority
GB
United Kingdom
Prior art keywords
lead
winding
conductors
tubes
heating
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
GB3576/27A
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.)
Siemens Schuckertwerke AG
Original Assignee
Siemens Schuckertwerke AG
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 Siemens Schuckertwerke AG filed Critical Siemens Schuckertwerke AG
Publication of GB265966A publication Critical patent/GB265966A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor

Landscapes

  • Transformers For Measuring Instruments (AREA)
  • Resistance Heating (AREA)

Abstract

265,966. Siemens - Schuckertwerke Ges. Feb. 15, 1926, [Convention date]. Transformers.-In order to reduce the heating of the iron casing adjoining the lead-in conductors to heavy current apparatus, the conductors 13 are surrounded partially or wholly by shortcircuit connections acting as screens. One such connection is shown in Fig. 4 applied to an arched or domed switch cover 11 with lead-in points in the form of tubes 121, 122. The tubes 121, 122 are lined with copper tubes 15, 16 which are united by straps 17, 18 so that the whole forms a closed winding or current transformer with a 1 : 1 ratio. The straps could be brought close to the cover as shown in dotted lines, or, as shown in Fig. 6, the windings could be in the form of rings 20 of sheet copper, the rings being interconnected by peripheral rivets 21 and arranged round each lead-in-point. Fig. 8 shows a winding of several turns 22, in circuit with which is a. measuring instrument 23, relay, or release device, whereas in Fig. 9 the winding 22 encloses the iron circuit 24 of a release device. The winding could be constituted by a surface of copper deposited either electrolytieally, or by spraying, or rolling on.
GB3576/27A 1926-02-15 1927-02-08 Improvements in apparatus for the reduction of heating in the iron parts adjoining the lead-in conductors of heavy current electrical apparatus Expired GB265966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE265966X 1926-02-15

Publications (1)

Publication Number Publication Date
GB265966A true GB265966A (en) 1927-09-22

Family

ID=5997092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3576/27A Expired GB265966A (en) 1926-02-15 1927-02-08 Improvements in apparatus for the reduction of heating in the iron parts adjoining the lead-in conductors of heavy current electrical apparatus

Country Status (1)

Country Link
GB (1) GB265966A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475682A (en) * 1967-07-17 1969-10-28 Tektronix Inc Shielded current measuring device
US4370512A (en) * 1981-02-23 1983-01-25 Westinghouse Electric Corp. Shielding device for electrical inductive structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475682A (en) * 1967-07-17 1969-10-28 Tektronix Inc Shielded current measuring device
DE1766774A1 (en) * 1967-07-17 1971-08-12 Tektronix Inc Device for measuring the current flowing through an electrical conductor
US4370512A (en) * 1981-02-23 1983-01-25 Westinghouse Electric Corp. Shielding device for electrical inductive structure

Similar Documents

Publication Publication Date Title
GB293861A (en) Improvements in or relating to radio coupling devices and conductors therefor
GB265966A (en) Improvements in apparatus for the reduction of heating in the iron parts adjoining the lead-in conductors of heavy current electrical apparatus
GB341828A (en) Improvements relating to induction controllers
ATE3679T1 (en) FULLY INSULATED, METAL ENCLOSED HIGH VOLTAGE SWITCHGEAR WITH SINGLE-LINE CURRENT TRANSFORMERS.
GB171251A (en) Improvements in and relating to electric transformers and like apparatus
GB288606A (en) Improvements in or relating to current transformers
GB336463A (en) Improvements in bushing insulators
GB279967A (en) Improvements in or relating to windings for transformers
GB265979A (en) Improvements in and relating to systems of electric distribution
GB328772A (en) Improvements in or relating to current transformers
GB250606A (en) Improvements in and relating to protective arrangements for rectifier sub-stations
GB255478A (en) Method of winding electric transformer and the like coils
GB305620A (en) Improvements in and connected with electric induction furnaces
GB291456A (en) Improvements in induction furnaces
GB236343A (en) Improvements in or relating to the electric protection of transformers
GB343205A (en) Improvements in or relating to devices for supplying radio receiving apparatus and the like from alternating current electric mains
GB354288A (en) Method of and apparatus for interrupting high-tension currents
GB392896A (en) Improvements in electric transformers
GB226437A (en) A new or improved method and apparatus for electrically heating metal bands
GB199255A (en) Improvements relating to electrical transformers
GB293426A (en) Improvements in and relating to variable radio transformers
GB315411A (en)
GB258868A (en) Improvements in or relating to electric transformers
GB264897A (en) Improvements in or relating to inductance coils for use in radio apparatus
GB257710A (en) Improvements in or relating to transformers for alternating current electric arc welding apparatus