EP3136413A1 - Medium or high voltage circuit breaker with modular drive - Google Patents

Medium or high voltage circuit breaker with modular drive Download PDF

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Publication number
EP3136413A1
EP3136413A1 EP15183202.9A EP15183202A EP3136413A1 EP 3136413 A1 EP3136413 A1 EP 3136413A1 EP 15183202 A EP15183202 A EP 15183202A EP 3136413 A1 EP3136413 A1 EP 3136413A1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
module
medium
drive
high 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.)
Granted
Application number
EP15183202.9A
Other languages
German (de)
French (fr)
Other versions
EP3136413B1 (en
Inventor
Manfred Sauer
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.)
ABB Schweiz AG
Original Assignee
ABB Schweiz 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 ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to EP15183202.9A priority Critical patent/EP3136413B1/en
Priority to CN201680050076.2A priority patent/CN107924781B/en
Priority to PCT/EP2016/070423 priority patent/WO2017037066A1/en
Publication of EP3136413A1 publication Critical patent/EP3136413A1/en
Application granted granted Critical
Publication of EP3136413B1 publication Critical patent/EP3136413B1/en
Active 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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/40—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • 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
    • H01H33/42—Driving mechanisms
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • 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
    • H01H33/46—Interlocking mechanisms

Definitions

  • the invention relates to medium or high voltage circuit breaker for gas insulated switchgear, with vacuum circuit breaker, with at least one fixed contact and at least one movable contact, driven by a drive, according to the preamble of claim 1.
  • such medium voltage vacuum circuit breakers mainly consist of a drive mechanism and electric poles.
  • Vacuum interrupters are installed within the poles, such vacuum interrupters have at least one fixed contact and at least one movable contact. The movable contact is actuated, that means driven between open and closed relative contact position.
  • the poles provide the mechanical support to the vacuum interrupters.
  • the poles are fixed to the circuit breaker structure and therewith to the gas-insulated switchgear panel.
  • the drive is connected to the vacuum interrupters via pushrods which drive the mechanical movement of the switching contacts inside the vacuum interrupters.
  • Traditional drives of medium/ high voltage circuit breakers are based on mechanical spring, electromagnetic, pneumatic or hydraulic energy storage mechanisms. Especially in circuit breakers with mechanical spring drive the parts of functional groups like energy storage-, latching-, releasing- and interlocking mechanism transmission parts and electrical connectors are more or less distributed within the drive housing.
  • the invention is implemented in the feature combination of claim 1.
  • the invention is, that the drive is embellished as modular drive, and that the modular drive consist of modules, which are combinable in such, that the modular drive is adaptable to at least different circuit breaker ratings and pole distances.
  • the drive comprises a separate energy storage module, a latching module, an interlocking module and a connector module, which are interconnected mechanically and functionally successively in such, that the energy storage module and the latching module are mechanically fixed together to the console, and that the connector module is mechanically connected to the interlocking module and the energy storage module.
  • the energy storage module comprises a spring, and means for indicating the "spring charged” condition for mechanical charging. So all these mentioned relevant functionality and detection functions are directly and already implemented in the energy storage module.
  • the latching module comprises an interlocking mechanism, on/off buttons, and an on/off indicator for indicating the switching status of the circuit breaker.
  • the connector module comprises snap switches for charge indication and/or for charging motor control and/or an auxiliary switch, and/or an anti pumping relay and/or plugs to connect the circuit breaker drive to the switchgear panel.
  • the auxiliary switch is linked via a tooth wheel segment to the latching module.
  • the energy storage module is linked to the latching module via a main shaft and leverage mechanism.
  • the energy storage module is prefabricated in variants of different defined actuation forces, and then placed on the circuit breaker arrangement for defined required actuation force.
  • FIG 1 shows an embodiment of the invention, considering all important elements.
  • Basical feature of the invention is, to create a modular drive for medium voltage circuit breakers.
  • the modularity follows a defined functionally logical structure of construction.
  • the drive 1 is fixed on a welded console 2. It does not comprise a discrete housing.
  • the energy storage module 3 and latching module 4 are screwed to the console 2.
  • the interlocking module 5 is screwed to the latching module 4.
  • the connector module 6 is screwed to the interlocking moduel 5 and the energy storage module 3.
  • the latching module 4 comprises the on/off push buttons, the on/off indicator, the latching and the interlocking release mechanism for on and off switching.
  • the connector module 6 comprises snap switches for charge indication and for charging motor control, an auxiliary switch, the anti-pumping relay and plugs to connect the circuit breaker to the switchgear panel.
  • the auxiliary switch is linked via e.g. a tooth wheel segment to the latching module 4.
  • the energy storage module 3, the latching module 4, the interlocking module 5, and connector module 6 are manufactured and stored independently from each other.
  • the drive 1 is completed by adding the main shaft 7, the curve disc 8, levers 9, and a coupling rod 10.
  • the energy storage module 3 is linked to the latching module 4 via the main shaft 7 and a leverage mechanism.
  • Adapted energy storage, latching and connector and interlocking modules are designed to fulfill the requirements of different circuit breaker types, ratings and configurations.
  • Parts of the latching modules are designed according to the spring which is used in the energy storage modules.
  • Connector module variants are designed for different auxiliary voltage levels.
  • Interlocking modules are designed for different types of switchgear to which the circuit breaker is assembled to.
  • drives for circuit breakers with different ratings can be composed out of a modular construction system of energy storage, latching, connector and interlocking modules.
  • a typical front view embodiment of the invented modular drive is, that the energy storage module is located right hand side of the latching module whereas the connector module is located on top of the energy storage module whereas the interlocking module is located left hand side of the connector module and above the latching module.
  • One special embodiment is that a clock spring is used inside the energy storage module.
  • Another special embodiment is that a ratcheting mechanism is used for manual and/or motor charging.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The invention relates to medium or high voltage circuit breaker for switchgear, with vacuum circuit breaker, with at least one fixed contact and at least one movable contact, driven by a drive, according to the preamble of claim 1. In order to result in a compact form with reasonable prefabrication of circuit breaker drive modules, and finally with flexibility of arranging such drive modules, the invention is, that the drive is embellished as modular drive, and that the modular drive consist of modules, which are combinable in such, that the modular drive is adaptable to at least different circuit breaker ratings and pole distances.

Description

  • The invention relates to medium or high voltage circuit breaker for gas insulated switchgear, with vacuum circuit breaker, with at least one fixed contact and at least one movable contact, driven by a drive, according to the preamble of claim 1.
  • In general such medium voltage vacuum circuit breakers mainly consist of a drive mechanism and electric poles. Vacuum interrupters are installed within the poles, such vacuum interrupters have at least one fixed contact and at least one movable contact. The movable contact is actuated, that means driven between open and closed relative contact position. The poles provide the mechanical support to the vacuum interrupters. The poles are fixed to the circuit breaker structure and therewith to the gas-insulated switchgear panel. The drive is connected to the vacuum interrupters via pushrods which drive the mechanical movement of the switching contacts inside the vacuum interrupters.
    Traditional drives of medium/ high voltage circuit breakers are based on mechanical spring, electromagnetic, pneumatic or hydraulic energy storage mechanisms. Especially in circuit breakers with mechanical spring drive the parts of functional groups like energy storage-, latching-, releasing- and interlocking mechanism transmission parts and electrical connectors are more or less distributed within the drive housing.
  • Resulting disadvantages for such well known circuit breakers are,
    • Too many variants, no construction kit setup, high effort on logistics, warehousing, first part inspection, etc.
    • No reasonable prefabrication/ testing/ storage of circuit breaker elements possible.
    • High effort on training and instruction of production and maintenance staff.
    • Production of high variant of circuit breakers on stock instead of few prefabricated drive modules.
    • High production time and costs.
    • Production of drive and circuit breaker linked to one factory only instead of flexible production sites of drive modules and assembly of circuit breaker afterwards.
  • Well known circuit breaker like that are disclosed for example in DE 199 36 986 A1 .
  • So it is the object of the invention, to overcome these disadvantages in a compact form with reasonable prefabrication of circuit breaker drive modules, and finally with flexibility of arranging such drive modules.
  • The invention is implemented in the feature combination of claim 1.
  • Further advantageous embodiments are disclosed in the depending claims.
  • In order to overcome the aforesaid disadvantages and to fulfill the above mentioned object, the invention is, that the drive is embellished as modular drive, and that the modular drive consist of modules, which are combinable in such, that the modular drive is adaptable to at least different circuit breaker ratings and pole distances.
  • The aforesaid successive function implementation in the mentioned modules realize the intention of enhancement of manufacture by supporting the prefabrication.
  • In a further advantageous embodiment, the drive comprises a separate energy storage module, a latching module, an interlocking module and a connector module, which are interconnected mechanically and functionally successively in such, that the energy storage module and the latching module are mechanically fixed together to the console, and that the connector module is mechanically connected to the interlocking module and the energy storage module.
  • In a further advantageous embodiment, the energy storage module comprises a spring, and means for indicating the "spring charged" condition for mechanical charging. So all these mentioned relevant functionality and detection functions are directly and already implemented in the energy storage module.
  • In a further advantageous embodiment, the latching module comprises an interlocking mechanism, on/off buttons, and an on/off indicator for indicating the switching status of the circuit breaker.
  • In a further advantageous embodiment, the connector module comprises snap switches for charge indication and/or for charging motor control and/or an auxiliary switch, and/or an anti pumping relay and/or plugs to connect the circuit breaker drive to the switchgear panel.
  • In a further advantageous embodiment, the auxiliary switch is linked via a tooth wheel segment to the latching module. Thus, no adjustment of the stroke of the auxiliary switch is needed after assembly.
  • In a further advantageous embodiment, the energy storage module is linked to the latching module via a main shaft and leverage mechanism.
  • In a further advantageous embodiment, the energy storage module is prefabricated in variants of different defined actuation forces, and then placed on the circuit breaker arrangement for defined required actuation force.
  • Figure 1 shows an embodiment of the invention, considering all important elements.
  • Basical feature of the invention is, to create a modular drive for medium voltage circuit breakers. The modularity follows a defined functionally logical structure of construction. The drive 1 is fixed on a welded console 2. It does not comprise a discrete housing.
  • The energy storage module 3 and latching module 4 are screwed to the console 2. The interlocking module 5 is screwed to the latching module 4. The connector module 6 is screwed to the interlocking moduel 5 and the energy storage module 3.
  • The latching module 4 comprises the on/off push buttons, the on/off indicator, the latching and the interlocking release mechanism for on and off switching. The connector module 6 comprises snap switches for charge indication and for charging motor control, an auxiliary switch, the anti-pumping relay and plugs to connect the circuit breaker to the switchgear panel. The auxiliary switch is linked via e.g. a tooth wheel segment to the latching module 4.
  • The energy storage module 3, the latching module 4, the interlocking module 5, and connector module 6 are manufactured and stored independently from each other.
  • The drive 1 is completed by adding the main shaft 7, the curve disc 8, levers 9, and a coupling rod 10.
  • The energy storage module 3 is linked to the latching module 4 via the main shaft 7 and a leverage mechanism. Adapted energy storage, latching and connector and interlocking modules are designed to fulfill the requirements of different circuit breaker types, ratings and configurations.
  • Depending on the circuit breaker type and rating different variants of energy storage modules are designed to provide several levels of energy by using springs of several spring characteristics.
  • Parts of the latching modules are designed according to the spring which is used in the energy storage modules.
  • Connector module variants are designed for different auxiliary voltage levels. Interlocking modules are designed for different types of switchgear to which the circuit breaker is assembled to.
  • Thus drives for circuit breakers with different ratings can be composed out of a modular construction system of energy storage, latching, connector and interlocking modules.
  • A typical front view embodiment of the invented modular drive is, that the energy storage module is located right hand side of the latching module whereas the connector module is located on top of the energy storage module whereas the interlocking module is located left hand side of the connector module and above the latching module.
  • One special embodiment is that a clock spring is used inside the energy storage module.
  • Another special embodiment is that a ratcheting mechanism is used for manual and/or motor charging.
    • Numbering:
    • 1
    drive
    2
    welded console
    3
    energy storage module
    4
    latching module
    5
    interlocking module
    6
    connector module
    7
    main shaft
    8
    curve disc
    9
    levers
    10
    coupling rod

Claims (8)

  1. A medium or high voltage circuit breaker for switchgear, with vacuum circuit breaker, with at least one fixed contact and at least one movable contact, driven by a drive,
    characterized in,
    that the drive is embellished as modular drive, and that the modular drive consist of modules, which are combinable in such, that the modular drive is adaptable to at least different circuit breaker ratings and pole distances.
  2. A medium or high voltage circuit breaker according to claim 1,
    characterized in,
    that the drive comprises a separate energy storage module, a latching module, an interlocking module and a connector module, which are interconnected mechanically and functionally successively in such, that the energy storage module and the latching module are mechanically fixed together to the console, and that the connector module is mechanically connected to the interlocking module and the energy storage module.
  3. A medium or high voltage circuit breaker according to claim 1 or 2,
    characterized in,
    that the energy storage module comprises a spring, and means for indicating the "spring charged" condition for mechanical charging.
  4. A medium or high voltage circuit breaker according to claim 1,or 2, or 3
    characterized in,
    that the latching module comprises an interlocking mechanism, on/off buttons, an on/off indicator for indicating the switching status of the circuit breaker.
  5. A medium or high voltage circuit breaker according to one of the aforesaid claims 1 to 4,
    characterized in,
    that the connector module comprises snap switches for charge indication and/or for charging motor control and/or an auxiliary switch , and/or an anti pumping relay and/or plugs to connect the circuit breaker to the switchgear panel.
  6. A medium or high voltage circuit breaker according to claim 5,
    characterized in,
    that the auxiliary switch is linked via a tooth wheel segment to the latching module.
  7. A medium or high voltage circuit breaker according to one of the aforesaid claims,
    characterized in,
    that the energy storage module is linked to the latching module via a main shaft and leverage mechanism.
  8. A medium or high voltage circuit breaker according to one of the aforesaid claims,
    characterized in,
    that the energy storage module is prefabricated for the use of different defined actuation forces, and then placed on the circuit breaker arrangement for defined required actuation force.
EP15183202.9A 2015-08-31 2015-08-31 Medium or high voltage circuit breaker with modular drive Active EP3136413B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15183202.9A EP3136413B1 (en) 2015-08-31 2015-08-31 Medium or high voltage circuit breaker with modular drive
CN201680050076.2A CN107924781B (en) 2015-08-31 2016-08-30 Medium or high voltage circuit breaker
PCT/EP2016/070423 WO2017037066A1 (en) 2015-08-31 2016-08-30 Medium or high voltage circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15183202.9A EP3136413B1 (en) 2015-08-31 2015-08-31 Medium or high voltage circuit breaker with modular drive

Publications (2)

Publication Number Publication Date
EP3136413A1 true EP3136413A1 (en) 2017-03-01
EP3136413B1 EP3136413B1 (en) 2022-03-30

Family

ID=54014670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15183202.9A Active EP3136413B1 (en) 2015-08-31 2015-08-31 Medium or high voltage circuit breaker with modular drive

Country Status (3)

Country Link
EP (1) EP3136413B1 (en)
CN (1) CN107924781B (en)
WO (1) WO2017037066A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19936986A1 (en) 1999-07-30 2001-02-01 Siemens Ag Circuit-breaker arrangement, esp. air-cored withdrawable type, for medium-voltage technology
WO2001050561A1 (en) * 2000-01-03 2001-07-12 Eaton Corporation Modular, miniaturized switchgear
EP1998347A1 (en) * 2007-06-01 2008-12-03 Eaton Corporation Electrical switching apparatus and stored energy assembly therefor
DE102008026798B3 (en) * 2008-06-02 2009-07-30 Siemens Aktiengesellschaft Drive system for electrical switching devices
DE102012008200A1 (en) * 2011-07-25 2013-01-31 Abb Technology Ag Drive unit for a switching device
US20150021298A1 (en) * 2013-07-19 2015-01-22 Hitachi, Ltd. Switchgear

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201327791Y (en) * 2008-11-28 2009-10-14 姜全海 Fixed side-mounted type vacuum circuit breaker
CN102034651B (en) * 2010-12-02 2014-04-30 天水长城开关厂有限公司 Fully-integrated spring operating mechanism for high-voltage alternating-current circuit breaker
CN202502936U (en) * 2011-08-12 2012-10-24 Abb技术有限公司 Driving unit applied in switching apparatus in gas-insulated or vacuum-insulated switching device
CN103065862B (en) * 2013-01-23 2015-08-19 许继（厦门）智能电力设备股份有限公司 A kind of operating mechanism of circuit breaker

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19936986A1 (en) 1999-07-30 2001-02-01 Siemens Ag Circuit-breaker arrangement, esp. air-cored withdrawable type, for medium-voltage technology
WO2001050561A1 (en) * 2000-01-03 2001-07-12 Eaton Corporation Modular, miniaturized switchgear
EP1998347A1 (en) * 2007-06-01 2008-12-03 Eaton Corporation Electrical switching apparatus and stored energy assembly therefor
DE102008026798B3 (en) * 2008-06-02 2009-07-30 Siemens Aktiengesellschaft Drive system for electrical switching devices
DE102012008200A1 (en) * 2011-07-25 2013-01-31 Abb Technology Ag Drive unit for a switching device
US20150021298A1 (en) * 2013-07-19 2015-01-22 Hitachi, Ltd. Switchgear

Also Published As

Publication number Publication date
WO2017037066A1 (en) 2017-03-09
CN107924781B (en) 2022-02-22
CN107924781A (en) 2018-04-17
EP3136413B1 (en) 2022-03-30

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