CN107845970A - Low-voltage reactive power compensation device and equipment - Google Patents
Low-voltage reactive power compensation device and equipment Download PDFInfo
- Publication number
- CN107845970A CN107845970A CN201711330856.5A CN201711330856A CN107845970A CN 107845970 A CN107845970 A CN 107845970A CN 201711330856 A CN201711330856 A CN 201711330856A CN 107845970 A CN107845970 A CN 107845970A
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- China
- Prior art keywords
- cabinet
- microcontroller
- cooling fan
- reactive power
- compensation device
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/301—Cabinet-type casings; Parts thereof or accessories therefor mainly consisting of a frame onto which plates are mounted
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention provides a kind of low-voltage reactive power compensation device and equipment, is related to Technique of Compensating Capacitance for Reactive field, including：Cabinet, the cube frame being arranged in the cabinet, temperature sensor, microcontroller and cooling fan；The air outlet of the air inlet for introducing air-flow and discharge air-flow is provided with cabinet；The supporting plate that cube frame is divided into multiple spaces is provided with cube frame, heat emission hole is provided with each supporting plate；The input of microcontroller is connected with temperature sensor, and output end is connected with cooling fan, and the temperature value for being gathered according to temperature sensor generates cooling fan control signal；Cooling fan is arranged at air inlet, for being rotated according to control signal.The invention provides a kind of low-voltage reactive power compensation device and equipment, is rotated by microprocessor control cooling fan and is radiated for cabinet.And heat emission hole is provided with the supporting plate, the radiating effect inside cabinet can be strengthened, ensure the normal operation of compensation device.
Description
Technical field
The invention is related to Technique of Compensating Capacitance for Reactive field, more particularly, to a kind of low-voltage reactive power compensation device
And equipment.
Background technology
At present, reactive power compensation device is widely used in manufacturing industry, metallurgy, chemical industry, electric power, petrochemical industry, automobile, made
The electricity consumption place such as ship, building, communication, hospital and airport, it is that State Grid's system widelys popularize one of energy-conserving product of application.Nothing
Reactive power compensation device can improve the power factor of power network, reduce the loss of supply transformer and conveying circuit, improve power supply
Efficiency, very effective effect is played to improving power supply environment.
Existing low-voltage reactive power compensation device typically uses closed cabinet body structure, and internal structure is complicated and winding displacement is miscellaneous
It is disorderly unordered, when heat can not be distributed effectively caused by device long-play, then cause in-cabinet temperature to raise, influence to mend
The normal operation of device inner capacitor is repaid, in-cabinet temperature is too high possibly even to cause capacitor to damage.
Innovation and creation content
In view of this, the purpose of the invention is to provide a kind of low-voltage reactive power compensation device and equipment, with solution
The poor technical problem of certainly existing low-voltage reactive power compensation device radiating effect.
In a first aspect, the invention embodiment provides a kind of low-voltage reactive power compensation device, including：Cabinet, set
Cube frame, temperature sensor, microcontroller and the cooling fan being placed in the cabinet；
The air inlet for introducing air-flow and the air outlet for discharging the air-flow are provided with the cabinet；
The supporting plate that the cube frame is divided into multiple spaces is provided with the cube frame, it is each described
At least one heat emission hole is provided with supporting plate；
The input of the microcontroller is connected with the temperature sensor being arranged in the supporting plate, output end with
The cooling fan connection, the temperature value for being gathered according to the temperature sensor generate cooling fan control signal；
The cooling fan is arranged at the air inlet, for being rotated according to the control signal.
With reference in a first aspect, the invention embodiment provides the first possible embodiment of first aspect, its
In, the air inlet and the air outlet are arranged in the same side wall of the cabinet, and the air outlet is arranged at the air intake
Below mouthful；
Dust cover is provided with the outside of the air inlet and the air outlet.
With reference in a first aspect, the invention embodiment provides second of possible embodiment of first aspect, its
In, the cube frame also includes：For installing the groove of bus, the rectangular cross-section of the groove；
First cell wall of the groove is described logical with being fixed in the cube frame positioned at the first anterior column of cabinet
Second cell wall of groove in the cube frame positioned at the second anterior column of cabinet with fixing；The upper edge of first cell wall with
The crossbeam for connecting first column and the 3rd column positioned at cabinet rear portion is fixed, and the upper edge of second cell wall is with being connected institute
The crossbeam for stating the second column and the 4th column positioned at cabinet rear portion is fixed.
With reference in a first aspect, the invention embodiment provides the third possible embodiment of first aspect, its
In, the cabinet front end is provided with front panel and positioned at split left dodge gate below front panel and right dodge gate；
Disconnecting switch, power factor button and universal seclector are provided with the front panel；
Cut with scissors at the edge of the outer side edges of the left dodge gate and the outer side edges of the right dodge gate respectively with the cabinet both sides
Connect.
With reference in a first aspect, the invention embodiment provides the 4th kind of possible embodiment of first aspect, its
In, power factor controller, breaker and arrester are additionally provided with the cabinet；
The arrester, for the anti-lightning strike protection to the low-voltage reactive power compensation device；
The input of the breaker is connected by copper bar with power network, output end respectively with arrester and at least one compensation
Capacitance module connects；
The input of the power factor controller presses key connection with the power factor on the front panel of the cabinet,
Output end is connected with the input of the combination switch in each compensating electric capacity module.
With reference in a first aspect, the invention embodiment provides the 5th kind of possible embodiment of first aspect, its
In, the compensating electric capacity module includes：Fuse, combination switch and the compensation capacitor of cascade Connection；
The fuse is connected with the output end of the disconnecting switch on the front panel；
The compensation capacitor includes：The reactor and capacitor of cascade Connection, the input of the reactor with it is described
The output end connection of combination switch.
With reference in a first aspect, the invention embodiment provides the 6th kind of possible embodiment of first aspect, its
In, it is additionally provided with power module in the cabinet；
The power module, for being powered for the microcontroller；
The power module includes：Electric power management circuit and rechargeable battery.
With reference in a first aspect, the invention embodiment provides the 7th kind of possible embodiment of first aspect, its
In, the microcontroller and the power module may be contained within casing；
The casing is arranged on the cabinet and is provided with the madial wall of the cooling fan；
Display screen is provided with the side wall of the cabinet；
The display screen is connected with the microcontroller, for showing the temperature value inside the cabinet.
With reference in a first aspect, the invention embodiment provides the 8th kind of possible embodiment of first aspect, its
In, in addition to：Spark sensor and audible-visual annunciator；
The spark sensor, for detecting the spark occurred in the cabinet；
The microcontroller is connected with the spark sensor, for when there is spark in the cabinet, generation to be alarmed
Control signal；
The audible-visual annunciator is connected with the microcontroller, for being alarmed according to the alarm control signal.
Second aspect, the invention embodiment also provide a kind of low voltage reactive power compensation equipment, including such as first party
Low-voltage reactive power compensation device described in face.
The invention embodiment brings following beneficial effect：A kind of Low-voltage that the invention provides is mended
Device and equipment are repaid, cooling fan is set in cabinet, when cabinet body temperature is higher than predetermined threshold value, microprocessor control radiating
Blower fan rotates, and is radiated for cabinet.Also, heat emission hole is provided with the supporting plate for placing compensating electric capacity module, is strengthened in cabinet
The radiating effect in portion, ensure the normal operation of compensation device.
To enable the above-mentioned purpose of the invention, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the invention embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be the invention some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front view for the reactive power compensation device that the invention embodiment provides；
Fig. 2 is the cut-away view for the reactive power compensation device that the invention embodiment provides；
Fig. 3 is the structural representation of the support member for the reactive power compensation device that the invention embodiment provides；
Fig. 4 is the fundamental diagram for the reactive power compensation device that the invention embodiment provides.
Icon：
100- cabinets；101- power factor controllers；102- air inlets；103- air outlets；104- cooling fans；105- fire
Flower sensor；106- casings；107- supporting plates；108- cube frames；109- grooves；110- heat emission holes；111- TEMPs
Device；112- power modules；113- microcontrollers；114- audible-visual annunciators.
Embodiment
To make the purpose, technical scheme and advantage of the invention embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of innovation and creation is clearly and completely described, it is clear that described embodiment is that the invention part is real
Apply example, rather than whole embodiments.Based on the embodiment in the invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the invention protection.
At present, existing low-voltage reactive power compensation device radiating effect is poor, and based on this, the invention embodiment carries
A kind of low-voltage reactive power compensation device and equipment supplied, sets cooling fan in cabinet, when cabinet body temperature is higher than default
During threshold value, microprocessor control cooling fan rotates, and is radiated for cabinet.Also, in the supporting plate for placing compensating electric capacity module
Heat emission hole is provided with, strengthens the radiating effect inside cabinet, ensures the normal operation of compensation device.
For ease of understanding the present embodiment, first to a kind of low-voltage reactive power work(disclosed in the invention embodiment
Rate compensation device describes in detail.
As Figure 1-4, in one embodiment of the invention, there is provided a kind of low-voltage reactive power compensation device,
Including：Cabinet 100, the cube frame 108 being arranged in the cabinet 100, temperature sensor 111, microcontroller 113 and dissipate
Air-heater 104.
The air inlet 102 for introducing air-flow and the air outlet 103 for discharging the air-flow are provided with the cabinet 100.
Specifically, the air inlet 102 and the air outlet 103 are arranged in the same side wall of the cabinet 100, it is described
Air outlet 103 is arranged at the lower section of air inlet 102.Wherein, the outside of the air inlet 102 and the air outlet 103 is set
There is dust cover.
The supporting plate that the cube frame 108 is divided into multiple spaces is provided with the cube frame 108
107, each it is provided with least one heat emission hole 110 in the supporting plate 107.
In actual applications, multiple supporting plates 107 be arranged in parallel, and each supporting plate 107 places a capacitance compensation loop.
The cube frame 108 is removably mounted at the inner right side of cabinet 100.As shown in figure 3, the cube frame 108
Also include：For installing the groove 109 of bus, the rectangular cross-section of the groove 109.First cell wall of the groove 109 with
Fixed positioned at the first anterior column of cabinet 100 in the cube frame 108, the second cell wall of the groove 109 with it is described
Fixed in cube frame 108 positioned at the second anterior column of cabinet 100；The upper edge of first cell wall is with being connected described first
The crossbeam of column and the 3rd column positioned at the rear portion of cabinet 100 is fixed, and the upper edge of second cell wall is vertical with being connected described second
The crossbeam of post and the 4th column positioned at the rear portion of cabinet 100 is fixed.The above-mentioned structure of cube frame 108 have it is simple in construction,
The advantages that winding displacement is orderly and easy for installation.
The input of the microcontroller 113 connects with the temperature sensor 111 being arranged in the supporting plate 107
Connect, output end is connected with the cooling fan 104, and the temperature value for being gathered according to the temperature sensor 111 generates radiating
The control signal of blower fan 104.
The cooling fan 104 is arranged at the air inlet 102, for being rotated according to the control signal.
A kind of low-voltage reactive power compensation device that the invention provides, cooling fan 104 is set in cabinet 100,
When temperature is higher than predetermined threshold value in cabinet 100, microcontroller 113 controls cooling fan 104 to rotate, and is radiated for cabinet 100.And
And heat emission hole 110 is provided with the supporting plate 107 for placing compensating electric capacity module, strengthen the radiating effect inside cabinet 100,
Ensure the normal operation of compensation device.
On the basis of previous embodiment, as shown in Fig. 2 the low-voltage reactive power compensation device of the invention embodiment
The front end of cabinet 100 be provided with front panel and split left dodge gate and right dodge gate below the front panel.
Disconnecting switch, power factor button and universal seclector are provided with the front panel.
The outer side edges of the left dodge gate and the outer side edges of the right dodge gate edge with the both sides of cabinet 100 respectively
It is be hinged.
On the basis of previous embodiment, the cabinet 100 of the low-voltage reactive power compensation device of the invention embodiment
Inside it is additionally provided with power factor controller 101, breaker and arrester；
The arrester, for the anti-lightning strike protection to the low-voltage reactive power compensation device.
The input of the breaker is connected by copper bar with power network, output end respectively with arrester and at least one compensation
Capacitance module connects.
Specifically, each compensating electric capacity module includes：Fuse, combination switch and the compensating electric capacity of cascade Connection
Device.Wherein, the fuse is connected with the output end of the disconnecting switch on the front panel.The compensation capacitor bag
Include：The reactor and capacitor of cascade Connection, the input of the reactor are connected with the output end of the combination switch.It is described
Combination switch includes：The IGCT and relay being connected in parallel.
The input of the power factor controller 101 is pressed with the power factor on the front panel of the cabinet 100
Key connection, output end are connected with the input of the combination switch in each compensating electric capacity module.
Specifically, the low-voltage reactive power compensation device of the invention embodiment can change regulation capacitor according to load
Reactive power.
As shown in figure 4, on the basis of previous embodiment, the low-voltage reactive power compensation device of the invention embodiment
Cabinet 100 in be additionally provided with power module 112.
The power module 112, for being powered for the microcontroller 113.
The power module 112 includes：Electric power management circuit and rechargeable battery.
Individually powered specifically, the power module 112 is the microcontroller 113.The electric power management circuit includes：
The circuits such as overvoltage crowbar, current foldback circuit and over under-voltage protection circuit, for being supplied for the safety of microcontroller 113
Electricity.
On the basis of previous embodiment, as shown in Fig. 2 the low-voltage reactive power compensation device of the invention embodiment
In microcontroller 113 and the power module 112 may be contained within casing 106.
The casing 106 is arranged on the cabinet 100 and is provided with the madial wall of the cooling fan 104.
Display screen is provided with the side wall of the cabinet 100.
The display screen is connected with the microcontroller 113, for showing the temperature value inside the cabinet 100.
In actual applications, the side of the corresponding casing 106 of cabinet 100 is provided with opening, for accommodating and the micro-control
The display screen that device 113 processed connects.Installation and repairing personnel only need to be by checking the display screen in the side wall of cabinet 100, you can
Know the temperature value in cabinet 100, it is convenient and swift.
On the basis of previous embodiment, in another embodiment of the invention, the low voltage reactive power compensation
Device also includes：Spark sensor 105 and audible-visual annunciator 114.
The spark sensor 105, for detecting the spark occurred in the cabinet 100.
The microcontroller 113 is connected with the spark sensor 105, for when there is spark in the cabinet 100,
Generate alarm control signal.
The audible-visual annunciator 114 is connected with the microcontroller 113, for being alarmed according to the alarm control signal.
In actual applications, easily there is spark in capacitor when being run due to work, causes danger.The invention is real
Apply in example, detect in cabinet 100 whether spark occur by spark sensor 105, if there is spark, and alarm, remind inspection
Repair personnel to overhaul in time, improve overhaul efficiency.
In another embodiment of the invention, a kind of low voltage reactive power compensation equipment is additionally provided, including as before
State the low-voltage reactive power compensation device described in embodiment.
The low-voltage reactive power compensation device and the computer program product of system that the invention embodiment is provided,
Computer-readable recording medium including storing program code, the instruction that described program code includes can be used for performing above side
Method described in method embodiment, specific implementation can be found in embodiment of the method, will not be repeated here.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In addition, in the description of the invention embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the invention.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the invention substantially or
Person says that the part of the part to be contributed to prior art or the technical scheme can be embodied in the form of software product,
The computer software product is stored in a storage medium, including some instructions are causing a computer equipment (can be with
Personal computer, server, or network equipment etc.) perform each embodiment methods described of the invention whole or portion
Step by step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), with
Machine access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
, it is necessary to explanation in the description of the invention, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the invention and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the invention.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：The embodiment of embodiment described above, only the invention, to illustrate this
The technical scheme of innovation and creation, rather than its limitations, the protection domain of the invention are not limited thereto, although with reference to foregoing
The invention is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the invention discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the invention embodiment technical scheme
Enclose, should all cover within the protection domain of the invention.Therefore, the protection domain of the invention described should be wanted with right
The protection domain asked is defined.
Claims (10)
- A kind of 1. low-voltage reactive power compensation device, it is characterised in that including：Cabinet (100), it is arranged at the cabinet (100) Interior cube frame (108), temperature sensor (111), microcontroller (113) and cooling fan (104)；The air outlet (103) of the air inlet (102) for introducing air-flow and the discharge air-flow is provided with the cabinet (100)；The supporting plate that the cube frame (108) is divided into multiple spaces is provided with the cube frame (108) (107), it is provided with least one heat emission hole (110) on each supporting plate (107)；The input of the microcontroller (113) and the temperature sensor (111) being arranged in the supporting plate (107) connect Connect, output end is connected with the cooling fan (104), for the temperature value generation gathered according to the temperature sensor (111) Cooling fan (104) control signal；The cooling fan (104) is arranged at the air inlet (102) place, for being rotated according to the control signal.
- 2. device according to claim 1, it is characterised in that the air inlet (102) and the air outlet 103) set In in the same side wall of the cabinet (100), the air outlet 103) it is arranged at below the air inlet (102)；The air inlet (102) and the air outlet 103) on the outside of be provided with dust cover.
- 3. device according to claim 2, it is characterised in that the cube frame (108) also includes：For installing mother The groove (109) of line, the rectangular cross-section of the groove (109)；First cell wall of the groove (109) is with being located at the first anterior column of cabinet (100) in the cube frame (108) Fixed, second that cabinet (100) front portion is located in the second cell wall and the cube frame (108) of the groove (109) is vertical Post is fixed；The upper edge of first cell wall and the horizontal stroke for being connected first column and the 3rd column positioned at cabinet (100) rear portion Beam is fixed, the upper edge of second cell wall and the horizontal stroke for being connected second column and the 4th column positioned at cabinet (100) rear portion Beam is fixed.
- 4. device according to claim 3, it is characterised in that cabinet (100) front end is provided with front panel and is located at Split left dodge gate and right dodge gate below front panel；Disconnecting switch, power factor button and universal seclector are provided with the front panel；Cut with scissors at the edge of the outer side edges of the left dodge gate and the outer side edges of the right dodge gate respectively with the cabinet (100) both sides Connect.
- 5. device according to claim 4, it is characterised in that be additionally provided with power factor controlling in the cabinet (100) Device (101), breaker and arrester；The arrester, for the anti-lightning strike protection to the low-voltage reactive power compensation device；The input of the breaker is connected by copper bar with power network, output end respectively with arrester and at least one compensating electric capacity Module connects；The input of the power factor controller (101) is pressed with the power factor on the front panel of the cabinet (100) Key connection, output end are connected with the input of the combination switch in each compensating electric capacity module.
- 6. device according to claim 5, it is characterised in that the compensating electric capacity module includes：The fusing of cascade Connection Device, combination switch and compensation capacitor；The fuse is connected with the output end of the disconnecting switch on the front panel；The compensation capacitor includes：The reactor and capacitor of cascade Connection, the input of the reactor with it is described compound The output end connection of switch.
- 7. device according to claim 6, it is characterised in that be additionally provided with power module in the cabinet (100) (112)；The power module (112), for being powered for the microcontroller (113)；The power module (112) includes：Electric power management circuit and rechargeable battery.
- 8. device according to claim 7, it is characterised in that the microcontroller (113) and the power module are all provided with It is placed in casing (106)；The casing (106) is arranged on the cabinet (100) and is provided with the madial wall of the cooling fan (104)；Display screen is provided with the side wall of the cabinet (100)；The display screen is connected with the microcontroller (113), the temperature value internal for showing the cabinet (100).
- 9. device according to claim 8, it is characterised in that also include：Spark sensor (105) and audible-visual annunciator (114)；The spark sensor (105), for detecting the spark occurred in the cabinet (100)；The microcontroller (113) is connected with the spark sensor (105), for there is spark when the cabinet (100) is interior When, generate alarm control signal；The audible-visual annunciator (114) is connected with the microcontroller (113), for being alarmed according to the alarm control signal.
- A kind of 10. low voltage reactive power compensation equipment, it is characterised in that including the low pressure as described in claim 1 to 9 is any without Reactive power compensation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330856.5A CN107845970A (en) | 2017-12-13 | 2017-12-13 | Low-voltage reactive power compensation device and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330856.5A CN107845970A (en) | 2017-12-13 | 2017-12-13 | Low-voltage reactive power compensation device and equipment |
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| CN107845970A true CN107845970A (en) | 2018-03-27 |
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| CN201711330856.5A Pending CN107845970A (en) | 2017-12-13 | 2017-12-13 | Low-voltage reactive power compensation device and equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101135861B1 (en) * | 2011-11-17 | 2012-04-16 | 주식회사 태경전기산업 | Power factor compensator having capability of temperature sensing and operating shutdown function and the method thereof |
| CN103354360A (en) * | 2013-05-28 | 2013-10-16 | 环宇集团（南京）有限公司 | Low-voltage complete reactive power compensation device |
| CN104218477A (en) * | 2014-10-08 | 2014-12-17 | 成都川电开关厂 | Rapid cooling distribution box |
| CN204633338U (en) * | 2015-04-26 | 2015-09-09 | 成都恒力达科技有限公司 | A kind of capacitance reactive compensation cabinet |
| CN205429741U (en) * | 2016-01-18 | 2016-08-03 | 上海申裕电器有限公司 | Energy -saving low voltage reactive power compensation cabinet |
| CN205428106U (en) * | 2016-01-29 | 2016-08-03 | 陈少华 | Fire alarm detector |
| CN207664486U (en) * | 2017-12-13 | 2018-07-27 | 环宇集团（南京）有限公司 | Low-voltage reactive power compensation device and equipment |
-
2017
- 2017-12-13 CN CN201711330856.5A patent/CN107845970A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101135861B1 (en) * | 2011-11-17 | 2012-04-16 | 주식회사 태경전기산업 | Power factor compensator having capability of temperature sensing and operating shutdown function and the method thereof |
| CN103354360A (en) * | 2013-05-28 | 2013-10-16 | 环宇集团（南京）有限公司 | Low-voltage complete reactive power compensation device |
| CN104218477A (en) * | 2014-10-08 | 2014-12-17 | 成都川电开关厂 | Rapid cooling distribution box |
| CN204633338U (en) * | 2015-04-26 | 2015-09-09 | 成都恒力达科技有限公司 | A kind of capacitance reactive compensation cabinet |
| CN205429741U (en) * | 2016-01-18 | 2016-08-03 | 上海申裕电器有限公司 | Energy -saving low voltage reactive power compensation cabinet |
| CN205428106U (en) * | 2016-01-29 | 2016-08-03 | 陈少华 | Fire alarm detector |
| CN207664486U (en) * | 2017-12-13 | 2018-07-27 | 环宇集团（南京）有限公司 | Low-voltage reactive power compensation device and equipment |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国劳动部职业安全卫生与锅炉压力容器监察局编: "工业防爆实用技术手册", 辽宁科学技术出版社, pages: 247 - 249 * |
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