CN106549309A - A kind of high-tension switch cabinet - Google Patents
A kind of high-tension switch cabinet Download PDFInfo
- Publication number
- CN106549309A CN106549309A CN201610957808.8A CN201610957808A CN106549309A CN 106549309 A CN106549309 A CN 106549309A CN 201610957808 A CN201610957808 A CN 201610957808A CN 106549309 A CN106549309 A CN 106549309A
- Authority
- CN
- China
- Prior art keywords
- bus
- switch cabinet
- tension switch
- cabinet according
- pressure vacuum
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The present invention proposes a kind of high-tension switch cabinet; arrange including high pressure three-phase bus; the high pressure three-phase bus deduction is connected with high-pressure vacuum breaker; the high-pressure vacuum breaker is connected with current transformer; the current transformer is connected with high tension cable; the current transformer connects ground terminal by spark gap; the high-pressure vacuum breaker connects spark gap by protective grounding line; the present invention can be applied to the more occasion of frequent operation and failure; and there is continuous operation property; open section general character good, arc extinguishing is rapid, and operation maintenance is simple.
Description
Technical field
The invention belongs to technical field of electric power, more particularly to a kind of high-tension switch cabinet.
Background technology
At present, claim set power distribution equipment to be called complete power distribution cabinet, and the complete sets of electric switchgears and control devices based on switch, therefore be also commonly called as switch
Cabinet.It is used for distribution system, is used as acceptance and distribution electric energy.According to voltage levels, it can be divided into high-tension switch cabinet and low pressure
Two big class of switch cubicle：By the difference in device place, divide outdoor type and indoor type (10kv and following many employing indoor types) again；Press
Whether device for switching can move, and can be divided into fixed and handcart-type again.It can be seen that, high-tension switch cabinet is the one of complete set of distribution
Kind, it is have by the high voltage distribution installation of maker supply in full sets.Various high pressure can be installed in this closing or semi-enclosed cabinet
Electrical equipment, measuring instrumentss, protection electrical equipment and controlling switch etc..A usual cabinet just constitutes an element loop and (also may be used if necessary
With two cabinets), so a cabinet also just becomes an interval.Can be various from being adapted to by the major loop scheme of design during use
The switch cubicle at circuit interval, then makes to constitute whole high voltage distribution installation.Also have and take up an area less, install and use and Maintenance and Repair
It is convenient, the features such as producing in a large number is suitable to, therefore application is very extensive.
But, current high-tension switch cabinet has out that a section poor performance, arc extinguishing reaction are slow and operation maintenance is complicated lacks
Point.
Therefore, need now a kind of high-tension switch cabinet badly, the more occasion of frequent operation and failure can be applied to, and had
Continuous operation property, it is good to open section general character, and arc extinguishing is rapid, and operation maintenance is simple.
The content of the invention
The present invention proposes a kind of high-tension switch cabinet, opens a section poor performance, arc extinguishing reaction slowly and fortune in solving prior art
Row safeguards complicated problem.
The technical scheme is that what is be achieved in that：High-tension switch cabinet, including high pressure three-phase bus row, the high pressure three
The deduction of phase bus is connected with high-pressure vacuum breaker, and the high-pressure vacuum breaker is connected with current transformer, and the electric current is mutual
Sensor is connected with high tension cable, and the current transformer connects ground terminal by spark gap, and the high-pressure vacuum breaker is by protecting
Shield earth lead connection spark gap, the current transformer are connected with vacuum interrupter.
As one kind preferred embodiment, if high pressure three-phase bus row includes dry copper wire bus, its sectional area is full
Sufficient Sa=IN/Ja[mm2], wherein, INThe rated current of bus is represented, unit is A；JaBus current density is represented, unit is A/
mm2, take copper busbar Ja=3A/mm2, Sa=200/3=66.67mm selects thickness (h) and width (b) by copper busbar standard, takes h
=4mm, b=30mm, Sa=120mm2。
As one kind preferred embodiment, high pressure three-phase bus row is connected with position isolating switch, the position isolation
The static contact that switch is included the bus-bar supporting piece being connected with bus and is connected with end of bus bars, the static contact correlation side set
Moving contact is equipped with, it is described to be provided with three defined positions：Open position, closing position and preparation earthing position.
As one kind preferred embodiment, the bus natural mode shape meets：F=35/L2×(E JP/M0)0.5,
Wherein L is the sub- span of supports insulative, and unit is M, moduluss of elasticity of the E for conductor, copper cash bus E=1.13 × 1011Pa, JPIt is vertical
Directly in the moment of inertia of bending direction axle, unit is M4, M0For conductor unit linear mass, unit is kg/m.
As one kind preferred embodiment, the high-pressure vacuum breaker is connected with protection system, the protection system
The On-off signal output system being connected including data collecting system and with the data collecting system and host computer system.
As it is a kind of preferred embodiment, if the data collecting system include main line analog quantity low pass filter and
The sampling holder being connected with the analog quantity low pass filter respectively, the outfan of the sampling holder are connected with multichannel and are turned
Switch is changed, the multicircuit switch is connected with A/D converter.
As it is a kind of preferred embodiment, the host computer system include respectively by bus be connected with CPU, EPROM,
RAM and intervalometer.
As one kind preferred embodiment, the On-off signal output system includes some parallel interfaces, if described
Dry doubling line interface is connected with photoelectric isolating circuit, and the photoelectric isolating circuit receives the input of switching value, and by exporting electricity
Road input switch amount.
As one kind preferred embodiment, the high pressure three-phase bus row is provided with bus air chamber, the high pressure vacuum
Chopper is provided between breaking air chamber, and the bus air chamber and the breaking air chamber and is provided with airtight bulkhead.
As one kind preferred embodiment, the high-pressure vacuum breaker is provided with breaker control disk, the open circuit
Be provided with device control panel shift knob and control feeder line wiring locking member and operational counter counting button,
Indicate position indicator, the energy storage indicator of switching-in spring energy storage/non-energy storage of circuit breaker position.
As one kind preferred embodiment, according to the bus by electric power suffered during dynamic current, by this
Electronic size and distribution situation, calculate the internal stress of bus；The high pressure three-phase bus is met in a plane in parallel row
Row, electric power are parallel with broadside, according to the yield factor of safety of the yield strength and machinery of copper cash bus, obtain copper cash bus
Permitted stress, meet copper cash bus permitted stress more than copper busbar maximum electrodynamic pow er effect under internal stress.
After employing above-mentioned technical proposal, the invention has the beneficial effects as follows：The present invention is not only able to suitable for frequent operation
And the occasion that failure is more, and there is continuous operation property, it is good to open section general character, and arc extinguishing is rapid, and operation maintenance is simple；And,
Good protection can be realized, it is to avoid which is because of electric current and/or the shakiness of voltage by protection system to high-pressure vacuum breaker
It is fixed, and cause high-pressure vacuum breaker to damage, extend service life.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the position isolating switch of the present invention；
Fig. 3 is the block diagram of the protection system of the present invention.
1- high pressure three-phase bus is arranged；2- current transformers；3- high-pressure vacuum breakers；4- high tension cables；5- spark gaps；6-
Protective grounding line；7- vacuum interrupters；8- static contacts；9- closing positions；10- open positions；11- earthing positions；12- buses.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-3, this high-tension switch cabinet, including 12 row 1 of high pressure three-phase bus, the high pressure three-phase bus 12 is deducted a percentage
High-pressure vacuum breaker 3 is connected with, the high-pressure vacuum breaker 3 is connected with current transformer 2, and the current transformer 2 connects
High tension cable 4 is connected to, the current transformer 2 connects ground terminal by spark gap 5, and the high-pressure vacuum breaker 3 is by protection
Earth lead 6 connects spark gap 5, and the current transformer 2 is connected with vacuum interrupter 7.
If 12 row 1 of the high pressure three-phase bus includes dry copper wire bus 12, its sectional area meets Sa=IN/Ja[mm2], its
In, INThe rated current of bus 12 is represented, unit is A；Ja12 electric current density of bus is represented, unit is A/mm2, take copper busbar
12Ja=3A/mm2, Sa=200/3=66.67mm selects thickness (h) and width (b) by 12 standard of copper busbar, takes h=4mm, b
=30mm, Sa=120mm2。
12 row 1 of high pressure three-phase bus is connected with position isolating switch, and the position isolating switch includes being connected with bus 12
12 support member of bus and the static contact 8 being connected with 12 end of bus, the related side of the static contact 8 is provided with moving contact,
It is described to be provided with three defined positions：Open position 10, closing position 9 and preparation earthing position 11.
12 natural mode shape of the bus meets：F=35/L2×(E JP/M0)0.5, wherein L be supports insulative son across
It is M away from, unit, moduluss of elasticity of the E for conductor, copper cash bus 12E=1.13 × 1011Pa, JPIt is perpendicular to bending direction axle
The moment of inertia, unit are M4, M0For conductor unit linear mass, unit is kg/m.
The high-pressure vacuum breaker 3 is connected with protection system, the protection system include data collecting system and with
The On-off signal output system and host computer system of the data collecting system connection.
If the data collecting system include main line analog quantity low pass filter and with the analog quantity low pass filter
The sampling holder for connecting respectively, the outfan of the sampling holder are connected with multicircuit switch, and the multipath conversion is opened
Connection is connected to A/D converter.
The host computer system includes being connected with CPU, EPROM, RAM and intervalometer by bus 12 respectively.
The On-off signal output system includes some parallel interfaces, and some parallel interfaces are connected with Phototube Coupling
Circuit, the photoelectric isolating circuit receive the input of switching value, and pass through exit circuit input switch amount.
12 row 1 of the high pressure three-phase bus is provided with 12 air chamber of bus, and the high-pressure vacuum breaker 3 is provided with breaking gas
Airtight bulkhead is provided between room, and 12 air chamber of the bus and the breaking air chamber.
The high-pressure vacuum breaker 3 is provided with breaker control disk, be provided with the breaker control disk switch by
The counting button of the locking member and operational counter of button and control feeder line wiring, the position of instruction circuit breaker position refer to
Show device, the energy storage indicator of switching-in spring energy storage/non-energy storage.
According to the bus 12 by electric power suffered during dynamic current, by this electronic size and distribution situation, count
Calculate the internal stress of bus 12；The high pressure three-phase bus 12 is met in a plane in parallel arrangement, electric power is put down with broadside
OK, the yield factor of safety according to the yield strength and machinery of copper cash bus 12, obtain copper cash bus 12 are permitted stress, are met
The stress of being permitted of copper cash bus 12 is more than internal stress of the copper busbar 12 under maximum electrodynamic pow er effect.
The operation principle of the high-tension switch cabinet is：The present invention is not only able to suitable for the more field of frequent operation and failure
Close, and there is continuous operation property, it is good to open section general character, and arc extinguishing is rapid, and operation maintenance is simple；And, can be by protecting
Protecting system, realizes good protection to high-pressure vacuum breaker 3, it is to avoid which is unstable because electric current and/or voltage, and causes
High-pressure vacuum breaker 3 is damaged, and extends service life.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of high-tension switch cabinet, it is characterised in that arrange including high pressure three-phase bus, the high pressure three-phase bus is connected with high pressure
Vacuum circuit breaker, the high-pressure vacuum breaker are connected with current transformer, and the current transformer is connected with high tension cable, institute
State current transformer and ground terminal is connected by spark gap, the high-pressure vacuum breaker connects spark gap, institute by protective grounding line
State current transformer and be connected with vacuum interrupter.
2. high-tension switch cabinet according to claim 1, it is characterised in that if high pressure three-phase bus row is including dry copper wire
Bus, its sectional area meet Sa=IN/Ja[mm2], wherein, INThe rated current of bus is represented, unit is A；JaRepresent bus electricity
Current density, unit are A/mm2。
3. high-tension switch cabinet according to claim 2, it is characterised in that high pressure three-phase bus row is connected with position and keeps apart
Close, the static contact that the position isolating switch is included the bus-bar supporting piece being connected with bus and is connected with end of bus bars is described
Static contact correlation side is provided with moving contact, described to be provided with three defined positions：Open position, closing position and preparation connect
Position.
4. high-tension switch cabinet according to claim 3, it is characterised in that the bus natural mode shape meets：F=
35/L2×(E JP/M0)0.5, wherein L is the sub- span of supports insulative, and unit is M, moduluss of elasticity of the E for conductor, copper cash bus E=
1.13×1011Pa, JPIt is the moment of inertia perpendicular to bending direction axle, unit is M4, M0For conductor unit linear mass, unit is
kg/m。
5. high-tension switch cabinet according to claim 4, it is characterised in that the high-pressure vacuum breaker is connected with protection system
System, the On-off signal output system that the protection system is included data collecting system and is connected with the data collecting system
And host computer system.
6. high-tension switch cabinet according to claim 5, it is characterised in that if the data collecting system includes that main line is simulated
Amount low pass filter and the sampling holder that is connected with the analog quantity low pass filter respectively, the sampling holder it is defeated
Go out end and be connected with multicircuit switch, the multicircuit switch is connected with A/D converter.
7. high-tension switch cabinet according to claim 6, it is characterised in that the host computer system includes connecting by bus respectively
It is connected to CPU, EPROM, RAM and intervalometer.
8. high-tension switch cabinet according to claim 7, it is characterised in that the On-off signal output system includes some
Parallel interface, some parallel interfaces are connected with photoelectric isolating circuit, and the photoelectric isolating circuit receives the input of switching value,
And pass through exit circuit input switch amount.
9. high-tension switch cabinet according to claim 8, it is characterised in that the high pressure three-phase bus row is provided with bus gas
Room, the high-pressure vacuum breaker are provided between breaking air chamber, and the bus air chamber and the breaking air chamber and are provided with
Airtight bulkhead.
10. high-tension switch cabinet according to claim 9, it is characterised in that the high-pressure vacuum breaker is provided with open circuit
Device control panel, is provided with locking member and the operation of shift knob and control feeder line wiring on the breaker control disk
The counting button of enumerator, the position indicator for indicating circuit breaker position, the energy storage indicator of switching-in spring energy storage/non-energy storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957808.8A CN106549309A (en) | 2016-11-03 | 2016-11-03 | A kind of high-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957808.8A CN106549309A (en) | 2016-11-03 | 2016-11-03 | A kind of high-tension switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106549309A true CN106549309A (en) | 2017-03-29 |
Family
ID=58393330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610957808.8A Pending CN106549309A (en) | 2016-11-03 | 2016-11-03 | A kind of high-tension switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106549309A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728779A (en) * | 2009-12-21 | 2010-06-09 | 安徽鑫龙电器股份有限公司 | Metal armored withdrawable high-voltage switch cabinet |
| CN203813286U (en) * | 2014-05-09 | 2014-09-03 | 圣特立集团有限公司 | Armored withdraw type AC metal-enclosed switchgear |
| CN105490199A (en) * | 2016-01-21 | 2016-04-13 | 上海攀森电气设备有限公司 | Drawer type air insulated ring network cabinet |
-
2016
- 2016-11-03 CN CN201610957808.8A patent/CN106549309A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728779A (en) * | 2009-12-21 | 2010-06-09 | 安徽鑫龙电器股份有限公司 | Metal armored withdrawable high-voltage switch cabinet |
| CN203813286U (en) * | 2014-05-09 | 2014-09-03 | 圣特立集团有限公司 | Armored withdraw type AC metal-enclosed switchgear |
| CN105490199A (en) * | 2016-01-21 | 2016-04-13 | 上海攀森电气设备有限公司 | Drawer type air insulated ring network cabinet |
Non-Patent Citations (1)
| Title |
|---|
| SO564: "《高压开关柜的电气设计毕业论文》", 11 June 2012, 豆丁网 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170329 |