CN206834508U - One or two fusing devices switched applied to ZW 32 - Google Patents
One or two fusing devices switched applied to ZW 32 Download PDFInfo
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- CN206834508U CN206834508U CN201720445495.8U CN201720445495U CN206834508U CN 206834508 U CN206834508 U CN 206834508U CN 201720445495 U CN201720445495 U CN 201720445495U CN 206834508 U CN206834508 U CN 206834508U
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Abstract
The utility model discloses a kind of one or two fusing devices switched applied to ZW 32, including switching body, two groups of electronic current mutual inductor groups for being used to measure three-phase current, one group of electronic type voltage transformer group for being used to measure three-phase voltage, zero-sequence current synthesis module, residual voltage synthesis module, distribution line loss acquisition module and Feeder Terminal Unit are formed, two groups of electronic current mutual inductor groups are made up of three measurement current transform ers and three zero sequence current mutual inductors, the present apparatus is protection using compact and flexible electronic mutual inductor, measurement and metering provide sampled signal.Electronic mutual inductor merges with switch body, realizes common installation, is connected between one or two times by the connecting cable of unified standard, substantially reduce site operation complexity, erection ＆ lift efficiency and accuracy.
Description
Technical field
It the utility model is related to a kind of one or two fusing devices applied to ZW-32 switches.
Background technology
To implement National Development and Reform Committee and Bureau of Energy's associated documents spirit, solve increment in power distribution network scale construction retrofit and set
Standby power distribution automation covering and the unmatched problem of a secondary device, while realize line loss " four points " (subregion, partial pressure, point member
Part, divide taiwan area) management by synchronization target, 10 (20/6) kilovolt same period separated time Controlling line loss of going ahead in a down-to-earth manner, improve constantly Controlling line loss
Lean is horizontal, lifts business efficiency, proposes the developing direction of one or two fusions of controller switching equipment.
Carry out with the work of distribution automation, it is necessary to switch with remote measurement (telemetry intelligence (TELINT))：Long-range measurement.Gather and pass
Send operational factor, including various electrical quantity (value such as voltage, electric current, power on circuit) and load uncertainty etc.；Remote signalling (remote signalling
Information)：Remote signal.Gather and transmit various protections and switching value information；It is remotely controlled (remote information)：Remote control.Receive simultaneously
Guidance command, mainly divide-shut brake are performed, remote control is carried out to some long-range switching control devices.And realize three distant weights
It is voltage to be equipped with, current sensing unit to want condition.Traditional scheme is to use ferromagnetic type voltage transformer summation current transformer,
Volume is big, weight weight.And it can not merge with switch body, isolation of components.Installation is complicated, and responsibility be present during on-site maintenance can not boundary
It is fixed, the problems such as mutually shifting responsibility onto others.
Utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and provides a kind of structure design and close
Reason, one or two fusing devices for being applied to ZW-32 switches of stabilized structure.
The technical scheme in the invention for solving the above technical problem is：A kind of one or two times switched applied to ZW-32
Fusing device, including switch body, two groups be used for measure three-phase current electronic current mutual inductor group, one group be used for measure three
The electronic type voltage transformer group of phase voltage, zero-sequence current synthesis module, residual voltage synthesis module, distribution line loss acquisition module
And Feeder Terminal Unit is formed, two groups of electronic current mutual inductor groups are by three measurement current transform ers and three zero sequence electricity
Current transformer is formed, and electronic type voltage transformer group is made up of three high-accuracy capacitor divider, the synthesis of described zero-sequence current
Module and residual voltage synthesis module are arranged in the low-pressure cabinet body of switch body lower end, described three zero sequence current mutual inductances
Device and three high-accuracy capacitor divider introduce low pressure casing by insulated cable respectively and closed with corresponding zero-sequence current
Being connected into module and residual voltage synthesis module, described switch body side is provided with 37 core aviation sockets, and described zero
Sequence electric current synthesis module, residual voltage synthesis module, three measurement current transform ers and three high-accuracy capacitor divider point
Do not connected by lead pin corresponding with 37 core aviation sockets, 19 cores are drawn by 37 core aviation sockets by cable respectively
Joint and 14 core joints, described feeder line are configured with 1 19 core aviation socket, 1 14 core aviation socket and 14 core in terminal
Aviation socket, 19 described core joints coordinate to be docked on 19 core aviation sockets and are used to transmit energy storage, divide-shut brake control and open circuit
Device status signal, 14 described core joints coordinate to be docked on 14 core aviation sockets and are used to transmit electric current, voltage signal, described
Switch body power supply is connected to transmit the voltage signal of supply voltage transformer by 4 core joints and 4 core aviation sockets, described
Switch body and Feeder Terminal Unit feeder line is built in using private cable interconnection, described distribution line loss acquisition module
In terminal device, the distribution line loss acquisition module is by the 7 core cables for metering voltage signal and for metering current
6 core cables of signal are connected with Feeder Terminal Unit.
Further：Described switch body is arranged on bradyseism bearing, and described bradyseism bearing includes elastic support, consolidated
Reservation and supporting plate, described elastic support include support block, the first expansion link, the second expansion link, stage clip and fixed block,
Some elastic supports are provided with described supporting plate, the base of described switch body is arranged in support block, described branch
The side of bracer is fixed by bolt and base, and described base upper surface is provided with the first fixing hole, and described support block is matched somebody with somebody
Close be provided with the first fixing hole coordinate the second fixing hole, bolt wears the first fixing hole, the second fixing hole cause base with
Support block is fixed, and described fixed block is provided with the first chute and the second chute, one end of the first described expansion link and
One end of second expansion link lower surface with support block respectively, the other end of the first described expansion link and the second expansion link
The other end is slidably arranged in the first chute and the second chute respectively, and the cylindrical jacket of the first described expansion link is provided with stage clip,
Described fixed seat includes rigid frame, Stiff Block and elastomer block, and described Stiff Block is fixed by bolt and supporting plate, described
Rigid frame set it is fluted, four elastomer blocks are arranged on four angles of groove, and described Stiff Block is arranged in groove
Portion, the wall fitting of the wall of described elastomer block corresponding with groove wall and Stiff Block respectively, described Stiff Block
The wall of any wall and groove is in 45 °, and described Stiff Block is fixed by bolt and fixed block.
Further：Described distribution line loss acquisition module is provided with super capacitor stand-by power supply, is adopted for distribution line loss
After the DC power supply power-off for collecting module, the stand-by power supply of super capacitor stand-by power supply.
Further：Described high-accuracy capacitor divider by fixed support be arranged on switch body front end and under
The underface of outlet terminal, high-accuracy capacitor divider are set using column support type so that reduce the influence on system operation to switching on and shutting down body.
The utility model compared with prior art, has advantages below and effect：The present apparatus uses compact and flexible electronics
Formula transformer is protection, measurement and metering provide sampled signal.Electronic mutual inductor merges with switch body, realizes common peace
Fill, connected between one or two times by the connecting cable of unified standard, substantially reduce site operation complexity, erection ＆ lift efficiency
And accuracy, it is that traditional ferromagnetic type transformer is substituted using light, stable electronic mutual inductor the characteristics of present apparatus maximum,
And itself and switch are combined as a whole, greatly reduce the volume and weight of package unit, good integrity, stabilized structure, simultaneously
With damping base, the stabilization for the operation that can be maintained in external environment.
Brief description of the drawings
Fig. 1 is the module diagram for one or two fusing devices that the utility model embodiment is applied to ZW-32 switches.
Fig. 2 is the stereogram for one or two fusing devices that the utility model embodiment is applied to ZW-32 switches.
Fig. 3 is the structural representation for one or two fusing devices that the utility model embodiment is applied to ZW-32 switches.
Fig. 4 is the structural representation of the utility model embodiment bradyseism bearing.
Fig. 5 is the structural representation of the utility model embodiment fixed seat.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, and following examples are pair
It is of the present utility model explanation and the utility model is not limited to following examples.
Referring to Fig. 1-Fig. 5, a kind of one or two fusing devices applied to ZW-32 switches of the present embodiment, including switch body
1st, two groups be used for measure three-phase current electronic current mutual inductor group, one group be used for measure three-phase voltage electronic type voltage it is mutual
Sensor group, zero-sequence current synthesis module 4, residual voltage synthesis module 5, distribution line loss acquisition module and Feeder Terminal Unit structure
Into, two groups of electronic current mutual inductor groups are made up of three measurement current transform ers 21 and three zero sequence current mutual inductors 22,
Electronic type voltage transformer group is made up of three high-accuracy capacitor divider 3, described zero-sequence current synthesis module 4 and zero sequence
Voltage synthesis module 5 is arranged in the low pressure casing 11 of switch body 1 lower end, described three zero sequence current mutual inductors 22 with
And three high-accuracy capacitor divider 3 introduce low pressure casing 11 by insulated cable respectively and synthesized with corresponding zero-sequence current
Module 4 and residual voltage synthesis module 5 connect, and the described side of switch body 1 is provided with 37 core aviation sockets, and described zero
Sequence electric current synthesis module 4,5, three measurement current transform ers 21 of residual voltage synthesis module and three high-accuracy capacitor partial pressures
Device 3 is connected by lead pin corresponding with 37 core aviation sockets respectively, and one is drawn by 37 core aviation sockets respectively by cable
The core joint of root 19 and 14 core joints, described feeder line terminal be configured with 1 19 core aviation socket, 1 14 core aviation socket and
14 core aviation socket, 19 described core joints coordinate to be docked on 19 core aviation sockets and are used to transmit energy storage, divide-shut brake control
With circuit-breaker status signal, 14 described core joints coordinate to be docked on 14 core aviation sockets and are used to transmit electric current, voltage signal,
The voltage that the described switch power supply of body 1 is connected to transmit supply voltage transformer by 4 core joints and 4 core aviation sockets is believed
Number, described switch body 1 is connected with each other with Feeder Terminal Unit using private cable, in described distribution line loss acquisition module
It is placed in Feeder Terminal Unit, the distribution line loss acquisition module is by the 7 core cables for metering voltage signal and is used for
6 core cables of metering current signal are connected with Feeder Terminal Unit, and described switch body 1 is arranged on bradyseism bearing, described
Bradyseism bearing include elastic support, fixed seat 7 and supporting plate 8, described elastic support is flexible including support block 61, first
Bar 62, the second expansion link 63, stage clip 64 and fixed block 65, some elastic supports are provided with described supporting plate 8, it is described
The base 13 of switch body 1 is arranged in support block 61, and the side of described support block 61 is fixed by bolt and base 13, institute
The upper surface of base 13 stated is provided with the first fixing hole, and described support block 61 is equipped with the coordinated with the first fixing hole
Two fixing holes, bolt wear the first fixing hole, the second fixing hole so that base 13 is fixed with support block 61, described fixed block 65
It is provided with the first chute 66 and the second chute 67, one end of the first described expansion link 62 and one end of the second expansion link 63
Distinguish respectively with the lower surface of support block 61, the other end of the first described expansion link 62 and the other end of the second expansion link 63
It is slidably arranged in the first chute 66 and the second chute 67, the cylindrical jacket of the first described expansion link is provided with stage clip 64, described
Fixed seat 7 include rigid frame 71, Stiff Block 72 and elastomer block 73, described Stiff Block 72 is solid by bolt and supporting plate 8
Fixed, described rigid frame 71 sets fluted 74, and four elastomer blocks 73 are arranged on four angles of groove 74, described Stiff Block
72 are arranged on the middle part of groove 74, the wall of described elastomer block 73 respectively with 74 corresponding wall of groove and Stiff Block 72
Wall is bonded, and any wall of described Stiff Block 72 and the wall of groove 74 are in 45 °, described Stiff Block 72 by bolt with
Fixed block 65 is fixed, and described distribution line loss acquisition module is provided with super capacitor stand-by power supply, and mould is gathered for distribution line loss
After the DC power supply power-off of block, the stand-by power supply of super capacitor stand-by power supply, described high-accuracy capacitor divider 3 passes through
Fixed support is arranged on the front end of switch body 1 and the underface of lower wire end 12, and high-accuracy capacitor divider 3 is using branch
Pillar is set so that reduces the influence on system operation to switching on and shutting down body 1.
Above content described in this specification is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or using class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
Enclose, the scope of protection of the utility model all should be belonged to.
Claims (4)
- A kind of 1. one or two fusing devices applied to ZW-32 switches, it is characterised in that：It is used to survey including switch body, two groups Measure the electronic current mutual inductor group of three-phase current, one group of electronic type voltage transformer group, zero sequence for being used to measure three-phase voltage Electric current synthesis module, residual voltage synthesis module, distribution line loss acquisition module and Feeder Terminal Unit are formed, two groups of electronic types Current transformer group is made up of three measurement current transform ers and three zero sequence current mutual inductors, electronic type voltage transformer group It is made up of three high-accuracy capacitor divider, described zero-sequence current synthesis module and residual voltage synthesis module are arranged on out Shut down in the low-pressure cabinet body of body lower end, described three zero sequence current mutual inductors and three high-accuracy capacitor divider lead to respectively Insulated cable is crossed to introduce low pressure casing and connect with corresponding zero-sequence current synthesis module and residual voltage synthesis module, institute The switch body side stated is provided with 37 core aviation sockets, described zero-sequence current synthesis module, residual voltage synthesis module, three Branch measurement current transform er and three high-accuracy capacitor divider pass through lead pin corresponding with 37 core aviation sockets respectively Connection, a 19 core joints are drawn by 37 core aviation sockets respectively by cable and 14 core joints, described feeder line are matched somebody with somebody in terminal 1 19 core aviation socket, 1 14 core aviation socket and 14 core aviation socket are equipped with, 19 described core joints, which coordinate, to be docked at It is used to transmit energy storage, divide-shut brake control and circuit-breaker status signal on 19 core aviation sockets, 14 described core joints, which coordinate, to be docked It is used to transmit electric current, voltage signal on 14 core aviation sockets, described switch body power supply passes through 4 core joints and 4 core aviations Socket is connected to transmit the voltage signal of supply voltage transformer, and described switch body is with Feeder Terminal Unit using special Cable is connected with each other, and described distribution line loss acquisition module is built in Feeder Terminal Unit, the distribution line loss acquisition module It is connected by the 7 core cables for metering voltage signal and for 6 core cables of metering current signal with Feeder Terminal Unit.
- 2. one or two fusing devices according to claim 1 applied to ZW-32 switches, it is characterised in that：Described opens Shutdown body is arranged on bradyseism bearing, and described bradyseism bearing includes elastic support, fixed seat and supporting plate, described elasticity Support includes support block, the first expansion link, the second expansion link, stage clip and fixed block, is provided with described supporting plate some Elastic support, the base of described switch body are arranged in support block, and the side of described support block passes through bolt and base Fixed, described base upper surface is provided with the first fixing hole, and described support block is equipped with to be coordinated with the first fixing hole The second fixing hole, bolt wears the first fixing hole, the second fixing hole so that base and support block are fixed, and described fixed block is set Be equipped with the first chute and the second chute, one end of the first described expansion link and one end of the second expansion link respectively with support The lower surface of block, the other end of the first described expansion link and the other end of the second expansion link are slidably arranged in the first cunning respectively In groove and the second chute, the cylindrical jacket of the first described expansion link is provided with stage clip, and described fixed seat includes rigid frame, rigidity Block and elastomer block, described Stiff Block are fixed by bolt and supporting plate, and described rigid frame sets fluted, four elasticity Block is arranged on four angles of groove, and described Stiff Block is arranged on the middle part of groove, the wall of described elastomer block respectively with The wall of wall corresponding to groove and Stiff Block is bonded, and the wall of any wall and groove of described Stiff Block is in 45 °, institute The Stiff Block stated is fixed by bolt and fixed block.
- 3. one or two fusing devices according to claim 1 applied to ZW-32 switches, it is characterised in that：Described matches somebody with somebody Electric wire damage acquisition module is provided with super capacitor stand-by power supply, and the DC power supply for distribution line loss acquisition module powers off Afterwards, the stand-by power supply of super capacitor stand-by power supply.
- 4. one or two fusing devices according to claim 1 applied to ZW-32 switches, it is characterised in that：Described height Accurate capacitors divider is arranged on the front end of switch body and the underface of lower wire end, high precision electro by fixed support Hold divider to set using column support type so that reduce the influence on system operation to switching on and shutting down body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445495.8U CN206834508U (en) | 2017-04-26 | 2017-04-26 | One or two fusing devices switched applied to ZW 32 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445495.8U CN206834508U (en) | 2017-04-26 | 2017-04-26 | One or two fusing devices switched applied to ZW 32 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834508U true CN206834508U (en) | 2018-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720445495.8U Active CN206834508U (en) | 2017-04-26 | 2017-04-26 | One or two fusing devices switched applied to ZW 32 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206834508U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507459A (en) * | 2018-11-27 | 2019-03-22 | 国网江苏省电力有限公司电力科学研究院 | Standard electric signal creating method, device and accuracy checking method of one or two fusion switchgears and system |
| CN110244100A (en) * | 2019-07-04 | 2019-09-17 | 浙江深华颖智能科技有限公司 | A kind of intelligent depth fusion switch and its production equipment |
| CN110780255A (en) * | 2019-11-19 | 2020-02-11 | 国网湖北省电力有限公司电力科学研究院 | Secondary electrical measurement system for circuit breaker on primary and secondary fusion complete set of column |
-
2017
- 2017-04-26 CN CN201720445495.8U patent/CN206834508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507459A (en) * | 2018-11-27 | 2019-03-22 | 国网江苏省电力有限公司电力科学研究院 | Standard electric signal creating method, device and accuracy checking method of one or two fusion switchgears and system |
| CN110244100A (en) * | 2019-07-04 | 2019-09-17 | 浙江深华颖智能科技有限公司 | A kind of intelligent depth fusion switch and its production equipment |
| CN110780255A (en) * | 2019-11-19 | 2020-02-11 | 国网湖北省电力有限公司电力科学研究院 | Secondary electrical measurement system for circuit breaker on primary and secondary fusion complete set of column |
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