CN106129822A - A kind of box type transformer cabinet with lightning protection effect - Google Patents
A kind of box type transformer cabinet with lightning protection effect Download PDFInfo
- Publication number
- CN106129822A CN106129822A CN201610488866.0A CN201610488866A CN106129822A CN 106129822 A CN106129822 A CN 106129822A CN 201610488866 A CN201610488866 A CN 201610488866A CN 106129822 A CN106129822 A CN 106129822A
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- CN
- China
- Prior art keywords
- lightning protection
- cabinet
- type transformer
- box type
- unit
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Classifications
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- 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
- H02B1/16—Earthing arrangements
-
- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Emergency Protection Circuit Devices (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a kind of box type transformer cabinet with lightning protection effect, including: lightning protection device, grounding device, dehumidification heater, connection assembly and watch-dog；Lightning protection device comprises non-linear element；Grounding device goes between under comprising no less than two and corresponding grounding body；Dehumidification heater, for regulating the temperature and humidity of cabinet when cabinet seals；Connecting assembly, for connecting the blower fan column foot using described box type transformer, the grounding device of described blower fan column foot is independent of the grounding device of described cabinet；Watch-dog comprises collecting unit, communication unit, alarm unit and control unit, wherein, described collecting unit by Real-time Collection to Thunder Protection parameter be sent to control unit by described communication unit, described control unit analyzes described Thunder Protection parameter, and sends chimes of doom according to the analysis result described alarm unit of control.This cabinet makes wind power equipment can effectively cope with Thunderstorm Weather and be difficult to wreck, and improves the utilization rate of wind power equipment.
Description
Technical field
The present invention relates to electrical equipment technical field, particularly relate to a kind of box type transformer cabinet with lightning protection effect.
Background technology
In view of the Special geographical position of wind energy turbine set, its situation meeting with Thunderstorm Weather is very frequent, and this is to wind power equipment pole
Easily cause damage.For example, in Thunderstorm Weather, step down side busbar, element easily suffer short circuit, and circuit is jumped
Lock, voltage pulsation all can cause blower fan to be stopped transport.According to reconnaissance at criminal scene analysis, reason substantially: box type transformer and wind-powered electricity generation are defeated
Electric line can not be released lightning current the most in time, causes the overlong time of induced lightening electric current, dynamics of releasing inadequate.
Therefore, correlation technique need to improve.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, the present invention proposes a kind of box type transformer cabinet with lightning protection effect, including: lightning protection device, grounding device,
Dehumidification heater, connection assembly and watch-dog；Described lightning protection device comprises primary coil non-linear being parallel to described transformator
Element, wherein, the input of described lightning protection device is two lead-in wires of described primary coil, and the outfan of described lightning protection device connects institute
State grounding device；Described grounding device goes between under comprising no less than two and corresponding grounding body；Described dehumidification heater, uses
In the temperature and humidity regulating described cabinet when described cabinet seals；Connect assembly, be used for connecting the described box-type transformation of use
The blower fan column foot of device, the grounding device of described blower fan column foot is independent of the grounding device of described cabinet；And described watch-dog bag
Containing collecting unit, communication unit, alarm unit and control unit, wherein, the lightning protection work that Real-time Collection is arrived by described collecting unit
Making parameter and be sent to control unit by described communication unit, described control unit analyzes described Thunder Protection parameter, and according to
Analysis result controls described alarm unit and sends chimes of doom.
According to the box type transformer cabinet with lightning protection effect of the present invention, owing to the centralized earthing device of lightning protection device is independent
Grounding device in blower fan column foot so that it is lightning current of can releasing timely and effectively, has low-down residual voltage so that wind-powered electricity generation sets
Standby (such as box type transformer) can effectively cope with Thunderstorm Weather and be difficult to wreck, and improves the utilization rate of wind power equipment,
Ensure that the reliability and stability of wind-power electricity generation；Watch-dog in cabinet is easy to the operation maintenance personnel of wind energy turbine set and is learnt that wind-powered electricity generation sets in time
Standby duty handling failure, shorten the idle time of wind power equipment；Meanwhile, the dehumidification heater in cabinet also can keep
Temperature and humidity in cabinet is suitable, reduces the fault rate of wind power equipment.
It addition, it is special to have following supplementary technology according to the box type transformer cabinet with lightning protection effect of the present invention
Levy:
In some examples of the present invention, when lead-in wire under described grounding device comprises two, the output of described lightning protection device
End is two lead-in wires of described secondary coil, and grounding body is iron core or the secondary shield stating isolating transformer.
In some examples of the present invention, described connection assembly comprises the band iron no less than 20 meters.
In some examples of the present invention, described collecting unit comprises temperature sensor and/or power sensor.
In some examples of the present invention, described non-linear element is varistor, or transient diode, or varistor
With the parallel combination of transient diode, or varistor and the tandem compound of transient diode.
In some examples of the present invention, described communication unit is wireless communication module, RS232 communication module or RS485
Communication module.
In some examples of the present invention, the resistance of grounding body and structure are respectively according to resistivity and the soil layer of ground connection soil
Structure is designed.
In some examples of the present invention, described dehumidification heater, described connection assembly and described watch-dog all have absolutely
Edge set.
Accompanying drawing explanation
Fig. 1 is the structural representation of the box type transformer cabinet with lightning protection effect according to embodiments of the present invention.
Fig. 2 is the structural representation of the watch-dog of the box type transformer cabinet with lightning protection effect according to embodiments of the present invention
Figure.
Reference:
100, box type transformer cabinet；
1, lightning protection device；
2, grounding device；
3, dehumidification heater
4, assembly is connected；
5, watch-dog；
51, collecting unit；
52, communication unit；
53, alarm unit；
54, control unit.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to
The embodiment that accompanying drawing describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the box type transformer cabinet with lightning protection effect according to embodiments of the present invention is described in detail.
As shown in Figure 1, a kind of box type transformer cabinet 100 with lightning protection effect, it may include: lightning protection device 1, ground connection dress
Put 2, dehumidification heater 3, connection assembly 4 and watch-dog 5.
Concrete, described lightning protection device 1 can comprise non-linear element, and it is parallel on the primary coil of described transformator.
Wherein, described non-linear element can be varistor, or transient diode, or varistor and transient diode are also
Joint group closes, or varistor and the tandem compound of transient diode.The input of described lightning protection device is described primary coil
Two lead-in wires, outfan connects described grounding device.
Described grounding device 2 goes between under can comprising no less than two and corresponding grounding body.In concrete application, work as institute
Stating grounding device when comprising under two lead-in wire, the outfan of described lightning protection device is two lead-in wires of described secondary coil, grounding body
For stating iron core or the secondary shield of isolating transformer.
In order to farthest reduce the time of grounding body response current, improve the ability of leadage circuit, setting of grounding body
Count most important.During exploration and design, the designing unit of wind energy turbine set is accomplished by providing the soil of wind power equipment present position
The resistivity of layer, and soil layer construction, thus resistivity and soil layer construction according to ground connection soil designs described ground connection respectively
The resistance of body and structure.
When described box type transformer cabinet is for sealing, can not ventilate inside it, its temperature and humidity is uncontrollable.Such as,
When described cabinet is by the time of tide, and its lightning protection effect is had a greatly reduced quality, and is easily struck by lightning.Based on this, in described box-type transformer cabinet
Portion is provided with dehumidification heater 3, and it is for the temperature and humidity of cabinet described in adapt when described cabinet seals, thus
Ensure that cabinet is in normal operating conditions, reduce the frequency being struck by lightning.
Described connection assembly 4 is for connecting the blower fan column foot using described box type transformer, the ground connection of described blower fan column foot
Device is independent of the grounding device of described cabinet.In view of the independent centralized earthing device of described cabinet, the ability of its leakage current
Drastically increase, therefore there is good lightning protection effect.In wind energy turbine set, described connection assembly 4 can be no less than 20 meters
Band iron, its with use this box type transformer blower fan column foot more than 2 be connected.
It addition, learn duty the handling failure of wind power equipment in time for ease of the operation maintenance personnel of wind energy turbine set, shorten
The idle time of wind power equipment, in described cabinet, inside is provided with described watch-dog 5.In actual application, as shown in Figure 2, institute
State watch-dog 5 and can comprise collecting unit 51, communication unit 52, alarm unit 53 and control unit 54.Wherein, described collection is single
Unit 51 can comprise temperature sensor and/or power sensor, or other parameter sensors.Described communication unit 52 can be nothing
Line communication module, RS232 communication module or RS485 communication module etc..
The operation principle of described watch-dog 5 is: described collecting unit 51 by Real-time Collection to Thunder Protection parameter pass through
Described communication unit 52 is sent to control unit 54, and described control unit 54 analyzes described Thunder Protection parameter, and according to analysis
Described in output control, alarm unit 53 sends chimes of doom.
In order to strengthen the lightning protection effect of wind power equipment, the described dehumidification heater 3 in cabinet, described connection assembly 4 and institute
State watch-dog 5 and be equipped with corresponding insulation sleeve.
According to the box type transformer cabinet with lightning protection effect of the present invention, owing to the centralized earthing device of lightning protection device is independent
Grounding device in blower fan column foot so that it is lightning current of can releasing timely and effectively, has low-down residual voltage so that wind-powered electricity generation sets
Standby (such as box type transformer) can effectively cope with Thunderstorm Weather and be difficult to wreck, and improves the utilization rate of wind power equipment,
Ensure that the reliability and stability of wind-power electricity generation；Watch-dog in cabinet is easy to the operation maintenance personnel of wind energy turbine set and is learnt that wind-powered electricity generation sets in time
Standby duty handling failure, shorten the idle time of wind power equipment；Meanwhile, the dehumidification heater in cabinet also can keep
Temperature and humidity in cabinet is suitable, reduces the fault rate of wind power equipment.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (8)
1. a box type transformer cabinet with lightning protection effect, it is characterised in that including: lightning protection device, grounding device, dehumidifying add
Hot device, connection assembly and watch-dog；
Described lightning protection device comprises the non-linear element of the primary coil being parallel to described transformator, wherein, and described lightning protection device defeated
Entering the end two lead-in wires for described primary coil, the outfan of described lightning protection device connects described grounding device；
Described grounding device goes between under comprising no less than two and corresponding grounding body；
Described dehumidification heater, for regulating the temperature and humidity of described cabinet when described cabinet seals；
Connecting assembly, for connecting the blower fan column foot using described box type transformer, the grounding device of described blower fan column foot is independent
Grounding device in described cabinet；And
Described watch-dog comprises collecting unit, communication unit, alarm unit and control unit, and wherein, described collecting unit will be real
Time the Thunder Protection parameter that collects be sent to control unit by described communication unit, described control unit analyzes described lightning protection
Running parameter, and send chimes of doom according to the analysis result described alarm unit of control.
The box type transformer cabinet with lightning protection effect the most according to claim 1, it is characterised in that when described ground connection fills
Putting when comprising under two lead-in wire, the outfan of described lightning protection device is two lead-in wires of secondary coil, and grounding body is for stating isolation transformation
The iron core of device or secondary shield.
The box type transformer cabinet with lightning protection effect the most according to claim 1, it is characterised in that described connection assembly
Comprise the band iron no less than 20 meters.
The box type transformer cabinet with lightning protection effect the most according to claim 1, it is characterised in that described collecting unit
Comprise temperature sensor and/or power sensor.
The box type transformer cabinet with lightning protection effect the most according to claim 1, it is characterised in that described non-linear unit
Part is varistor, or transient diode, or varistor and the parallel combination of transient diode, or varistor and transient state two
The tandem compound of pole pipe.
The box type transformer cabinet with lightning protection effect the most according to claim 1, it is characterised in that described communication unit
For wireless communication module, RS232 communication module or RS485 communication module.
7. according to the arbitrary described box type transformer cabinet with lightning protection effect of claim 1-6, it is characterised in that grounding body
Resistance and structure resistivity and soil layer construction according to ground connection soil respectively be designed.
8. according to the arbitrary described box type transformer cabinet with lightning protection effect of claim 1-6, it is characterised in that described remove
Wet heater, described connection assembly and described watch-dog all have insulation sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488866.0A CN106129822A (en) | 2016-06-29 | 2016-06-29 | A kind of box type transformer cabinet with lightning protection effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488866.0A CN106129822A (en) | 2016-06-29 | 2016-06-29 | A kind of box type transformer cabinet with lightning protection effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106129822A true CN106129822A (en) | 2016-11-16 |
Family
ID=57285057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610488866.0A Pending CN106129822A (en) | 2016-06-29 | 2016-06-29 | A kind of box type transformer cabinet with lightning protection effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106129822A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079846A (en) * | 1992-12-05 | 1993-12-22 | 徐毅军 | A kind of protection method for preventing thunder to distribution transformer |
| JPH06213946A (en) * | 1993-01-20 | 1994-08-05 | Chubu Electric Power Co Inc | Device and method for measuring grounding resistance of distribution line |
| CN202534936U (en) * | 2011-08-03 | 2012-11-14 | 周志强 | Lightning rod device for completely protecting from direct lightning flash on small-scale wind power farm |
| CN103474977A (en) * | 2013-09-30 | 2013-12-25 | 深圳科安达电子科技股份有限公司 | Lightning protection device, lightning protection combination and lightning protection cabinet |
| CN103987216A (en) * | 2014-05-09 | 2014-08-13 | 广西南宁百兰斯科技开发有限公司 | Control cabinet with lightning protector |
| CN104064333A (en) * | 2014-06-06 | 2014-09-24 | 合肥鑫伟电力设备有限公司 | Outdoor anti-thunder transformer |
| CN105353709A (en) * | 2015-12-04 | 2016-02-24 | 重庆臻远电气有限公司 | Lightning protection switchgear monitoring apparatus |
-
2016
- 2016-06-29 CN CN201610488866.0A patent/CN106129822A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079846A (en) * | 1992-12-05 | 1993-12-22 | 徐毅军 | A kind of protection method for preventing thunder to distribution transformer |
| JPH06213946A (en) * | 1993-01-20 | 1994-08-05 | Chubu Electric Power Co Inc | Device and method for measuring grounding resistance of distribution line |
| CN202534936U (en) * | 2011-08-03 | 2012-11-14 | 周志强 | Lightning rod device for completely protecting from direct lightning flash on small-scale wind power farm |
| CN103474977A (en) * | 2013-09-30 | 2013-12-25 | 深圳科安达电子科技股份有限公司 | Lightning protection device, lightning protection combination and lightning protection cabinet |
| CN103987216A (en) * | 2014-05-09 | 2014-08-13 | 广西南宁百兰斯科技开发有限公司 | Control cabinet with lightning protector |
| CN104064333A (en) * | 2014-06-06 | 2014-09-24 | 合肥鑫伟电力设备有限公司 | Outdoor anti-thunder transformer |
| CN105353709A (en) * | 2015-12-04 | 2016-02-24 | 重庆臻远电气有限公司 | Lightning protection switchgear monitoring apparatus |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |