EP3048623B1 - Transformator mit reduzierter höhe, volumen und gewicht - Google Patents

Transformator mit reduzierter höhe, volumen und gewicht Download PDF

Info

Publication number
EP3048623B1
EP3048623B1 EP15171404.5A EP15171404A EP3048623B1 EP 3048623 B1 EP3048623 B1 EP 3048623B1 EP 15171404 A EP15171404 A EP 15171404A EP 3048623 B1 EP3048623 B1 EP 3048623B1
Authority
EP
European Patent Office
Prior art keywords
transformer
tank
core
commutator
voltage
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.)
Not-in-force
Application number
EP15171404.5A
Other languages
English (en)
French (fr)
Other versions
EP3048623A1 (de
Inventor
Gökhan Kalkan
Abdullah Cicibas
Kutay ÇITIR
Ibrahim Yildiz
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.)
Balikesir Elektromekanik Sanayi Tesisleri AS
Original Assignee
Balikesir Elektromekanik Sanayi Tesisleri 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 Balikesir Elektromekanik Sanayi Tesisleri AS filed Critical Balikesir Elektromekanik Sanayi Tesisleri AS
Priority to PL15171404T priority Critical patent/PL3048623T3/pl
Publication of EP3048623A1 publication Critical patent/EP3048623A1/de
Application granted granted Critical
Publication of EP3048623B1 publication Critical patent/EP3048623B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01H9/0044—Casings; Mountings; Disposition in transformer housing

Definitions

  • the invention relates to transformers used in electrical energy systems.
  • the invention particularly relates to transformers which are used to increase, reduce or regulate the voltage level in electrical energy systems, with reduced total height, weight and volume by changing the location of the commutator (NLTC: No Load Tap Changer).
  • Transformer is an electromagnetic tool which connects two or more electric circuit to each other with electromagnetic induction. It transfers the electrical energy from one electric circuit to another electric circuit by means of electromagnetic field. Transformers are the machines that make the required changes in voltage and current values for a specific power of electric energy.
  • Transformer essentially consists of two windings positioned closely to each other and a magnetic core. If voltage is applied to one of the windings, voltage induces at the other terminal. The current impressed by applying the voltage creates a magnetic field around the winding. This magnetic field creates a voltage on the other winding which is positioned closely, by completing its magnetic circuit through the core.
  • transformers are used to decrease or increase the magnitude of electrical voltage or current in an electrical circuit.
  • transformers transfer energy from one electrical circuit to another with electromagnetic induction. Changing of voltage magnitude is required in order to transfer electric energy to places remote from its generation area.
  • the weight of the cables needed for transmission is considerably decreased by increasing the voltage, for example up to 230.000 volt or more.
  • Transformers are composed of the main components; core, windings, transformer tank, tank cover and commutator.
  • commutator is placed between the upper part of the core and the tank cover. There is no electrical voltage on the tank cover and the core during test and operation conditions. During test and operation conditions, there is an electrical voltage on the commutator connected to the windings. This situation causes following problems:
  • the present invention relates to transformers which meet the abovementioned requirements, eliminate all the disadvantages and bring some additional advantages.
  • the object of the invention is to provide solution to the problems mentioned in existing technique by changing the position of the commutator.
  • An object of the invention is to enable reducing the axial height of the transformer tank by decreasing the distance between the core and the tank cover, thus to decrease transformer's height.
  • Another object of the invention is to prevent insulation problems and costs by changing the position of the commutator, which is the component carrying voltage between the core and the tank.
  • Another object of the invention is to enable decreasing the amount of the low-viscosity transformer oil used by decreasing the tank volume, depending on the tank height.
  • Another object of the invention is to enable decreasing the total weight by decreasing the tank volume and the low-viscosity transformer oil used.
  • Another object of the invention is to enable decreasing the total cost by using less material in the production of the transformer.
  • Another object of the invention is to allow replacing the existing transformers in the confined cells with transformers that have higher rating capacity.
  • the present invention relates to a transformer which is used to increase, decrease or regulate the voltage level in electrical energy systems, having a core as magnetic body, windings that change the electrical voltage, a tank holding the low-viscosity transformer oil together, a tank cover covering the tank and a commutator fixing the output voltage; and it has an embodiment wherein the commutator is positioned between the core and the tank, at the upper yoke side of the core.
  • the present invention relates to a transformer (10) which is used to increase, decrease or regulate the voltage level in electrical energy systems, having a core (11) as magnetic body, windings (12) that change the electrical voltage, a tank (13) holding the low-viscosity transformer oil together, a tank cover (14) covering the tank (13) and a commutator (15) fixing the output voltage; wherein the commutator (15) is positioned between the core (11) and the tank (13), at the upper yoke side of the core (11).
  • the transformer (10) shown in the figures essentially comprises a core (11), windings (12), tank (13), tank cover (14) and commutator (15).
  • the core (11) is the structure that magnetically couples the primary and secondary windings (12) without electrical connections, on which the magnetic flux flows and which serves as a mediator for energy transformations. There is no electrical voltage thereon in testing and operating conditions. It is manufactured from silicon alloy metal sheets.
  • Windings (12) change the electrical voltage according to the number of turns. They are the structures with various shapes that increase, decrease or regulate the system voltage depending on the number of turns. They are wrapped around the legs of the core (11). There is electrical voltage thereon during test and operation conditions. They are manufactured from copper or aluminium material.
  • Transformer tank (13) holds low-viscosity transformer oil together. It is a hollow metal structure which holds the low-viscosity transformer oil that is used as cooling material in transformers having oil-type cooling system and has low-viscosity. There is no electrical voltage thereon during test and operation conditions. It is manufactured from steel plates.
  • Tank cover (14) is the metal plate which has protection devices thereon and covers the upper surface of the transformer tank (13). It is manufactured from steel plate.
  • Commutator (15) is the mechanical structure which fixes the voltage level adjusted by the number of turns of the primary and secondary windings by changing the number of turns. Commutator (15) is connected with the windings (12) and tank cover (14).
  • commutator (15) is carried from the intermediate area of the core (11) and tank cover (14) to the intermediate area of the core (11) upper yoke and transformer tank (13).
  • Commutator (15) is positioned in the side of the tank (13) and there is an insulation component (16) between the commutator and the core (11) upper yoke.
  • Mentioned insulation component (16) is an insulating material made of psp and its derivatives.
  • new transformers will be enabled to be produced in sizes to fit into the transformer cells designed according to the existing system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Claims (1)

  1. Transformator (10), der zum Erhöhen, Verringern oder Regulieren des Spannungspegels in elektrischen Energiesystemen verwendet wird, mit einem Kern (11) als Magnetkörper, Wicklungen (12), welche die elektrische Spannung verändern, einem Tank (13), der das dünnflüssige Transformatorenöl zusammenhält, einer Tankabdeckung (14), welche den Tank (13) abdeckt, und einem Kommutator (15), der die Ausgangsspannung fixiert; dadurch gekennzeichnet, dass der Kommutator (15) zwischen dem Kern (11) und der Seitenwand des Tanks (13) an der oberen Jochseite des Kerns (11) angeordnet ist und eine Isolierkomponente (16) zwischen dem oberen Joch des Kerns (11) und dem Kommutator (15) angeordnet ist, was eine Isolierung zwischen dem Kommutator (15) und dem Kern (11) ermöglicht.
EP15171404.5A 2015-01-20 2015-06-10 Transformator mit reduzierter höhe, volumen und gewicht Not-in-force EP3048623B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15171404T PL3048623T3 (pl) 2015-01-20 2015-06-10 Transformator o zmniejszonej wysokości, objętości i masie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201500620 2015-01-20

Publications (2)

Publication Number Publication Date
EP3048623A1 EP3048623A1 (de) 2016-07-27
EP3048623B1 true EP3048623B1 (de) 2017-11-22

Family

ID=53385540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15171404.5A Not-in-force EP3048623B1 (de) 2015-01-20 2015-06-10 Transformator mit reduzierter höhe, volumen und gewicht

Country Status (2)

Country Link
EP (1) EP3048623B1 (de)
PL (1) PL3048623T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3293743A1 (de) * 2016-09-12 2018-03-14 ABB Schweiz AG Abdeckung für elektrische leistungsgeräte, die mit einer dielektrischen flüssigkeit gefüllt sind
DE102017205752A1 (de) * 2017-04-04 2018-10-04 Siemens Aktiengesellschaft Elektrisches Gerät mit einem formkomplementär zum Aktivteil ausgestalteten Kessel
DE102017205749A1 (de) * 2017-04-04 2018-10-04 Siemens Aktiengesellschaft Aktivteil für ein elektrisches Hochspannungsgerät
DE102018201477A1 (de) * 2018-01-31 2019-08-01 Siemens Aktiengesellschaft Elektrisches Gerät mit Zwischenstück

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4421931B2 (ja) * 2004-04-21 2010-02-24 株式会社日立産機システム 外部操作型タップ切換器を備えた変圧器
DE102009035699A1 (de) * 2009-07-30 2011-02-10 Maschinenfabrik Reinhausen Gmbh Anordnung eines Stufenschalters an einem Regeltransformator
DE102012103490B4 (de) * 2012-04-20 2015-11-12 Maschinenfabrik Reinhausen Gmbh Verteiltransformator zur Spannungsregelung von Ortsnetzen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3048623A1 (de) 2016-07-27
PL3048623T3 (pl) 2018-06-29

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