CN203406512U - Breaker chamber with bus isolating function and bus measuring function - Google Patents

Breaker chamber with bus isolating function and bus measuring function Download PDF

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Publication number
CN203406512U
CN203406512U CN201320422969.9U CN201320422969U CN203406512U CN 203406512 U CN203406512 U CN 203406512U CN 201320422969 U CN201320422969 U CN 201320422969U CN 203406512 U CN203406512 U CN 203406512U
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China
Prior art keywords
voltage transformer
bus
adapter
breaker chamber
measurement function
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Application number
CN201320422969.9U
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Chinese (zh)
Inventor
阙银中
许丽明
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ABB Technology AG
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ABB T&D Technology AG
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Priority to CN201320422969.9U priority Critical patent/CN203406512U/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0356Mounting of monitoring devices, e.g. current transformers

Abstract

The utility model provides a breaker chamber with a bus isolating function and a bus measuring function. The breaker chamber is used for a sulfur hexafluoride gas insulation switch cabinet. Through isolation earthing switches of mutual inductors, connection and effective earthing of the mutual inductors on a bus side can be controlled, thereby realizing measurement of voltage on the bus side and effective earthing of a voltage transformer in maintenance. The design integrates feeders and a measurement function of a bus with the isolation earthing switches, so an additional bus measuring cabinet is not needed, thereby greatly saving cost and occupation of space of the additional switch cabinet.

Description

There is bus isolation features and breaker chamber bus measurement function
Technical field
The utility model belongs to power product technical field, is specifically related to a kind of breaker chamber that is applied to gas-insulated switchgear.This breaker chamber is simple in structure, combines feeder line and bus bar side voltage measurement band isolation earthing switch device, has greatly saved cost and has taken up an area usage space.
Background technology
Generally, SF 6gas insulation switch cabinet is in order to realize the measurement to bus bar side voltage, and with the device of isolation earthing switch function, need to increase a bus with isolating switch and measure cabinet.
Fig. 1 is the breaker chamber of an existing feeder cabinet, during work, feeder cabinet housing 11 connects with next door cabinet housing, electric current is through feeder cabinet solid insulated busbar and solid insulated busbar threeway/four-way adapter, arrive the connection row of fixed contact 15, top set connection Pai17,Zhong branch 18, vacuum arc-extinguishing device 19, inferior division connection under bus casing 12, three station upper static contacts 13, three station moving contacts 14, three stations and arrange 111 summation current transformers 112, finally arrive cable sleeve 113, thereby realize feeder line function.
Fig. 2 is the air chamber of an existing bus bar side voltage measurement cabinet with isolation features, during work, bus isolation cabinet housing 21 connects with feeder cabinet housing 11, electric current is through solid insulated busbar and solid insulated busbar threeway/four-way adapter, to top set, connect row 23, arrive the interior bus isolating switch 25 of air chamber again, finally arrive voltage transformer 26, thereby realize the voltage measurement to bus bar side band isolation features.
In prior art, realize the measurement of bus bar side voltage and the isolation to measurement mechanism, need the switch cubicle increasing both to increase cost, increase again floor space.Therefore the utility model proposes a kind of brand-new breaker chamber, on the basis of original feeder cabinet, realized bus measurement and measurement mechanism band isolation grounding function.So greatly saved cost, and saved occupation of land space, make original switch cubicle more efficiently, compacter.
Utility model content
The purpose of this utility model be to provide a kind of structure more reasonably, more efficiently, the scheme measured of the compacter bus of realizing feeder cabinet band isolation grounding function.
Of the present utility model have bus isolation features and breaker chamber bus measurement function, and the breaker chamber of feeder cabinet connects together with the isolating switch of bus bar side voltage transformer.
According to most preferred embodiment of the present utility model, the breaker chamber with bus measurement function with bus isolation features comprises that under housing, solid insulated busbar, solid insulated busbar four-way adapter, bus casing, three station upper static contacts, three station moving contacts, three stations, fixed contact, three station operating mechanisms, top set are connected copper bar ,Zhong branch connection copper bar, vacuum arc-extinguishing device, circuit breaker operation mechanism, inferior division connection copper bar, current transformer, cable sleeve, described each several part is linked in sequence, and forms feeder cabinet loop.
According to most preferred embodiment of the present utility model, have that bus isolation features and breaker chamber bus measurement function also comprise that voltage transformer isolating switch makes contact, an isolation earthing switch operating mechanism, voltage transformer wall bushing, voltage transformer adapter, voltage transformer, voltage transformer support, voltage transformer isolating switch grounding contact; These parts and three station upper static contacts are linked in sequence, and form connection or the grounded circuit of voltage transformer band isolation earthing switch device.
According to most preferred embodiment of the present utility model, voltage transformer adapter has the interface that connects voltage transformer.
According to most preferred embodiment of the present utility model, voltage transformer adapter comprises voltage transformer adapter silicon rubber body, voltage transformer adapter coated semiconductor, insulation screen and inserts, also comprises pad, nut and voltage transformer wall bushing.
According to most preferred embodiment of the present utility model, voltage transformer adapter, by voltage transformer interface, is realized bus bar side voltage measurement circuit thereby connect voltage transformer.
Or voltage transformer adapter further comprises voltage transformer adapter blind plugging head and voltage transformer adapter blanking cover, described voltage transformer adapter blind plugging head and voltage transformer adapter blanking cover, by the sealing of voltage transformer interface, are not measured bus bar side voltage thereby realize.
Accompanying drawing explanation
Figure 1 shows that the breaker chamber of existing feeder cabinet;
Figure 2 shows that the existing gas cells with bus bar side voltage measurement spacer assembly;
Fig. 3 is the breaker chamber that the utlity model has bus bar side voltage measurement band isolation grounding function, when bus bar side voltage measurement isolating switch and feeder line isolating switch are all in the connection diagram under " closing " state;
Fig. 4 is voltage transformer adapter with the option of grafting voltage transformer;
Fig. 5 is voltage transformer adapter without the option of grafting voltage transformer.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, most preferred embodiment of the present utility model is described in more detail.
Fig. 3 is the breaker chamber with bus bar side voltage measurement band isolation grounding function of the present utility model, shown in figure, for working as bus bar side voltage measurement isolating switch, is in the connection diagram under " closing " state; It connects together the breaker chamber of feeder cabinet with bus bar side voltage measurement isolation earthing device, and structure and parts have been done to reasonable arrangement.
The breaker chamber that the utlity model has bus isolation features comprises housing 31, fixed contact 37, three station operating mechanisms 38 under housing 31 and next door cabinet splicing, solid insulated busbar 32, solid insulated busbar four-way adapter 33, bus casing 34, three station upper static contacts 35, three station moving contacts 36, three stations; Connect copper bar and comprise that top set connects copper bar 39,Zhong branch and connects copper bar 310; Vacuum arc-extinguishing device 311, circuit breaker operation mechanism 312, inferior division connect copper bar 313, current transformer 314, cable sleeve 315, and described each parts are linked in sequence, and form the feeder assembly of feeder cabinet breaker chamber.Wherein vacuum arc-extinguishing device (311) and circuit breaker operation mechanism (312) form circuit breaker; Under three station upper static contacts (35), three station moving contacts (36), three stations, fixed contact (37) and three station operating mechanisms (38) form three-station.
During work, and three station upper static contacts 35, voltage transformer isolating switch make contact 321, isolation earthing switch operating mechanism 322, voltage transformer wall bushing 323, voltage transformer adapter 324, voltage transformer 325, voltage transformer support 326, voltage transformer isolating switch grounding contact 327 are linked in sequence and form the bus bar side voltage measurement circuit with isolation earthing switch device.
Fig. 4 the utlity model has in the loop of bus bar side voltage measurement function, can functional selection be measured by bus bar side voltage, selects voltage transformer adapter to connect grafting voltage transformer.Voltage transformer adapter 324 comprises voltage transformer adapter silicon rubber body 41, voltage transformer adapter coated semiconductor 42, insulation screen 43 and inserts 44, also comprise pad 45, nut 46 and voltage transformer wall bushing 49, by voltage transformer interface, connect voltage transformer 47, thereby realize bus bar side voltage measurement.
Fig. 5 the utlity model has in the loop of bus bar side voltage measurement function, can functional selection not measured by bus bar side voltage.Voltage transformer adapter arrangement there is the assembly of non-grafting voltage transformer.The same, voltage transformer adapter 324 comprises voltage transformer adapter silicon rubber body 41, voltage transformer adapter coated semiconductor 42, insulation screen 43 and inserts 44, also comprises pad 45, nut 46 and voltage transformer wall bushing 49.To bus bar side voltage, do not carrying out in measurement situation, voltage transformer adapter 324 does not need to connect voltage transformer, by voltage transformer adapter blind plugging 57, voltage transformer adapter blanking cover 58, voltage transformer interface is sealed, thereby realize, bus bar side voltage is not measured.
Although disclose for the purpose of illustration preferred embodiment of the present utility model and accompanying drawing, person skilled in the art, within not departing from the spirit and scope of the utility model and appended claim, can do various replacements, variation and retouching.Therefore, the utility model should not be limited to preferred embodiment and the disclosed content of accompanying drawing, and protection range of the present utility model is as the criterion with the scope that appending claims was defined.

Claims (7)

1. one kind has bus isolation features and breaker chamber bus measurement function, it comprises circuit breaker (311,312), connect copper bar (39,310,313) and three-station (35,36,37,38), it is characterized in that: the breaker chamber of feeder cabinet connects together with the isolating switch of bus bar side voltage transformer.
2. according to claim 1 have bus isolation features and breaker chamber bus measurement function, it is characterized in that: described circuit breaker comprises vacuum arc-extinguishing device (311) and circuit breaker operation mechanism (312); Described connection copper bar comprises that top set connects copper bar (39) ,Zhong branch connection copper bar (310) and is connected copper bar (313) with inferior division; Described three-station comprises fixed contact (37) and three station operating mechanisms (38) under three station upper static contacts (35), three station moving contacts (36), three stations; Described have bus isolation features also comprise housing (31), solid insulated busbar (32), solid insulated busbar four-way adapter (33), bus casing (34), current transformer (314) and cable sleeve (315) with breaker chamber bus measurement function, described each several part is linked in sequence, and forms feeder cabinet loop.
3. according to claim 1 and 2 have bus isolation features and breaker chamber bus measurement function, it is characterized in that: also comprise that voltage transformer isolating switch makes contact (321), isolation earthing switch operating mechanism (322), voltage transformer wall bushing (323), voltage transformer adapter (324), voltage transformer (325), voltage transformer support (326), voltage transformer isolating switch grounding contact (327); These parts and three station upper static contacts (35) are linked in sequence, and form connection or the grounded circuit of voltage transformer band isolation earthing switch device.
4. according to claim 3 have bus isolation features and breaker chamber bus measurement function, it is characterized in that: voltage transformer adapter (324) has the interface that connects voltage transformer.
5. according to claim 3 have bus isolation features and breaker chamber bus measurement function, it is characterized in that: voltage transformer adapter (324) comprises voltage transformer adapter silicon rubber body (41), voltage transformer adapter coated semiconductor (42), insulation screen (43) and inserts (44), also comprise pad (45), nut (46) and voltage transformer wall bushing (49).
6. according to claim 5 have bus isolation features and breaker chamber bus measurement function, it is characterized in that: voltage transformer adapter (324) is by voltage transformer interface, connect voltage transformer (47) thus realize bus bar side voltage measurement circuit.
7. according to claim 5 have bus isolation features and breaker chamber bus measurement function, it is characterized in that: voltage transformer adapter (324) further comprises voltage transformer adapter blind plugging head (57) and voltage transformer adapter blanking cover (58), described voltage transformer adapter blind plugging head (57) and voltage transformer adapter blanking cover (58), by the sealing of voltage transformer interface, are not measured bus bar side voltage thereby realize.
CN201320422969.9U 2013-07-16 2013-07-16 Breaker chamber with bus isolating function and bus measuring function Active CN203406512U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320422969.9U CN203406512U (en) 2013-07-16 2013-07-16 Breaker chamber with bus isolating function and bus measuring function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320422969.9U CN203406512U (en) 2013-07-16 2013-07-16 Breaker chamber with bus isolating function and bus measuring function

Publications (1)

Publication Number Publication Date
CN203406512U true CN203406512U (en) 2014-01-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016011636A1 (en) * 2014-07-24 2016-01-28 Abb技术有限公司 Switch apparatus having voltage transformer or lightning arrester on busbar side
CN106159787A (en) * 2016-08-11 2016-11-23 现代重工(中国)电气有限公司 A kind of closed gas insulated switch cabinet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016011636A1 (en) * 2014-07-24 2016-01-28 Abb技术有限公司 Switch apparatus having voltage transformer or lightning arrester on busbar side
CN106159787A (en) * 2016-08-11 2016-11-23 现代重工(中国)电气有限公司 A kind of closed gas insulated switch cabinet

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180529

Address after: Baden, Switzerland

Patentee after: ABB TECHNOLOGY LTD.

Address before: Zurich

Patentee before: ABB T & D Technology Ltd.

TR01 Transfer of patent right