CN209419232U - A kind of three-phase imbalance compensation device and system - Google Patents
A kind of three-phase imbalance compensation device and system Download PDFInfo
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- CN209419232U CN209419232U CN201920081620.0U CN201920081620U CN209419232U CN 209419232 U CN209419232 U CN 209419232U CN 201920081620 U CN201920081620 U CN 201920081620U CN 209419232 U CN209419232 U CN 209419232U
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- Prior art keywords
- cabinet
- sidecar
- pull
- compensation device
- phase imbalance
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- 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
-
- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a kind of three-phase imbalance compensation device and systems, the three-phase imbalance compensation device, including compensating cabinet, sidecar and middle cabinet are equipped with inside the compensating cabinet, it is separated by partition between sidecar and middle cabinet, capacitor is equipped in sidecar, reactor and switching unit are set in middle cabinet, switching unit is set on the pull mounting plate of pull-out mechanism, pull-out mechanism include telescoping mechanism and and pull mounting plate connected to it, telescoping mechanism includes two telescopic rods arranged in a crossed manner, two telescopic rods are hinged by pin shaft, the lower end of one telescopic rod and fixed frame are hinged, the lower end of another telescopic rod and adjustable shelf are hinged；The utility model divides space in compensating cabinet cabinet, and capacitor is independently installed in sidecar, heat exchange when avoiding air-cooled, so that the temperature of environment where capacitor be effectively reduced, extends capacitor service life, is worth promoting.
Description
Technical field
The utility model belongs to technical field of electric power, and in particular to a kind of three-phase imbalance compensation device.
Background technique
Three-phase Power Systems imbalance is due to caused by threephase load is uneven and system element triphase parameter is asymmetric.
The situation of the Three-phase Power Systems balance of voltage is one of main indicator of power quality.It is attached that three-phase imbalance will lead to rotating electric machine
Add fever and vibration, stray transformer flux increases and hot-spot, and grid line loss increases and a variety of protections and automatic device malfunction
Etc..The settling mode of in the prior art for three-phase imbalance the problem of is mostly to adjust imbalance using reactive power compensator
Watt current, reactive power compensator in the prior art are mostly by layer frame by equipment such as capacitor, reactor and switching units
It is installed in cabinet body, since reactor and switching unit calorific value are larger, heat can be generated while internal aeration-cooling and expanded
It dissipates, rises with it space temperature where capacitor also, being easy to cause reduces the more sensitive capacitor life-span of temperature.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of independently installed capacitor, extends electricity
The three-phase imbalance compensation device in container service life.
The utility model achieves the above object through the following technical schemes:
A kind of three-phase imbalance compensation device, including compensating cabinet, the compensating cabinet inside are equipped with sidecar and middle cabinet, sidecar
It is separated by partition between middle cabinet, capacitor is equipped in sidecar, reactor and switching unit are set in middle cabinet, switching list
Member be set to pull-out mechanism pull mounting plate on, pull-out mechanism include telescoping mechanism and and pull mounting plate connected to it,
Telescoping mechanism includes two telescopic rods arranged in a crossed manner, and two telescopic rods are hinged by pin shaft, the lower end of a telescopic rod and solid
Determine that frame is hinged, the lower end of another telescopic rod and adjustable shelf are hinged, and the bottom of adjustable shelf is equipped with directive wheel, and directive wheel is set to pull
On guide rail, pull guide is connected compensating cabinet, and fixed frame is fixedly connected with the two sides inner wall of compensating cabinet；Telescopic rod can be with hinged portion
Position rotation drives telescopic rod rotation in the extraction of pull mounting plate, and then shrinks telescoping mechanism, and pull mounting plate is led along pull
It will drive telescopic rod reset when rail is put back to again, telescoping mechanism be unfolded；The drawing structure of pull mounting plate greatly facilitates electricity
The installation and maintenance of container, and stable structure；Reactor and switching unit are set in fixed mounting plate, and fixed mounting plate is solid
Even partition.
As the scheme that advanced optimizes of the utility model, the top of compensating cabinet is equipped with fan housing, the top of fan housing be equipped with into
Air port, air inlet is interior to be equipped with blower, the opening being connected to fan housing inside is respectively equipped at the top of sidecar and middle cabinet, sidecar is in
Between the lower part of cabinet be provided with air outlet, air outlet connects air-exhausting duct；Air enters fan housing by fan action, then passes through compensation
Cabinet top opening enters sidecar and middle cabinet, wherein again due to being separated by partition between sidecar and middle cabinet, in sidecar
With mutually independent air duct is formed in middle cabinet, top air inlet is again from base bleed, the biggish reactor of calorific value and switching list
Member is set in middle cabinet, and the lesser capacitor of calorific value is set in sidecar, reduces mutual air circulation and Re Jiao
It changes, the temperature of environment where reducing capacitor is protected the stability for increasing its operation for temperature sensitive capacitor, prolonged
Its long service life, last air drain into outdoor by air-exhausting duct.
As the scheme that advanced optimizes of the utility model, the upper end of two telescopic rods passes through wheel axis connection idler wheel respectively,
Idler wheel is set on the upright guide rail on fixed frame and adjustable shelf.By upright guide rail for telescopic rod in telescoping mechanism telescopic process
Movement be oriented to.
As the scheme that advanced optimizes of the utility model, blower is axial flow blower, connects power supply by switch.
As the scheme that advanced optimizes of the utility model, it is equipped with tension spring between two telescopic rods, passes through the accumulation of energy of tension spring
With release the reset for being able to achieve pull mounting plate.
A kind of compensation system of three-phase imbalance compensation device, including idle compensating control, nothing are connect with switching unit
Function compensating controller acquisition three phase mains is sampled, then by certain operation, obtain the realtime power of current electric grid because
Number.For this power factor compared with the input threshold quantity of setting and excision thresholding, control switching unit movement is switched in or out capacitor.
The utility model has the beneficial effects that:
1) the utility model divides space in compensating cabinet cabinet, the independently installed heat in sidecar, when avoiding air-cooled of capacitor
Exchange extends capacitor service life so that the temperature of environment where capacitor be effectively reduced；
2) capacitor of the utility model is installed by pull-out mechanism, can be pulled out cabinet body manually, be facilitated installation and dimension
Shield.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model in embodiment one；
Fig. 2 is the structural schematic diagram of the pull-out mechanism of the utility model in embodiment one；
Fig. 3 is the side view one of the telescoping mechanism of the utility model in embodiment one；
Fig. 4 is the side view two of the telescoping mechanism of the utility model in embodiment one；
Fig. 5 is the structural schematic diagram of the telescoping mechanism of the utility model in embodiment two.
In figure: 1 compensating cabinet, 2 sidecars, 3 middle cabinets, 4 partitions, 5 capacitors, 6 reactors, 7 switching units, 8 telescoping mechanisms,
9 pull mounting plates, 10 telescopic rods, 11 fixed frames, 12 adjustable shelfs, 13 directive wheels, 14 pull guide, 15 fixed mounting plates, 16 wind
Cover, 21 tension springs.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below
Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field
Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation；In the description of the present invention, unless otherwise indicated, " multiple ", " several " are meant that two or two
More than.
Embodiment one
As shown in Figs 1-4, a kind of three-phase imbalance compensation device, including compensating cabinet 1 are equipped with side inside the compensating cabinet 1
Cabinet 2 and middle cabinet 3 are separated between sidecar 2 and middle cabinet 3 by partition 4, and capacitor 5, reactor 6 and switching are equipped in sidecar 2
Unit 7 is set in middle cabinet 3, and switching unit 7 is set on the pull mounting plate 9 of pull-out mechanism, and pull-out mechanism includes telescoping mechanism 8
With and pull mounting plate 9 connected to it, telescoping mechanism 8 include two telescopic rods 10 arranged in a crossed manner, two telescopic rods 10
Hinged by pin shaft, the lower end of a telescopic rod 10 and fixed frame 11 are hinged, the lower end of another telescopic rod 10 and adjustable shelf 12
Hingedly, the bottom of adjustable shelf 12 is equipped with directive wheel 13, and directive wheel 13 is set in pull guide 14, and pull guide 14 is connected compensating cabinet
1, fixed frame 11 is fixedly connected with the two sides inner wall of compensating cabinet 1；Telescopic rod 10 can be rotated with hinged position, in pull mounting plate
It drives telescopic rod 10 to rotate when 9 extraction, and then shrinks telescoping mechanism 8, meeting again when pull mounting plate 9 is put back to along pull guide 14
It drives telescopic rod 10 to reset, telescoping mechanism 8 is unfolded；The drawing structure of pull mounting plate 9 greatly facilitates the peace of capacitor 5
It is filled with and overhauls, and stable structure.
Reactor 6 and switching unit 7 are set in fixed mounting plate 15, and fixed mounting plate 15 is connected partition 4；
The top of compensating cabinet 1 is equipped with fan housing 16, and the top of fan housing is equipped with air inlet, is equipped with blower, 2 He of sidecar in air inlet
The top of middle cabinet 3, which is respectively equipped with, is provided with air outlet with the opening that is connected to inside fan housing, the lower part of sidecar 2 and middle cabinet 3, out
Air port connects air-exhausting duct；Air enters fan housing by fan action, then enters sidecar 2 in by 1 top opening of compensating cabinet
Between cabinet 3, wherein again due between sidecar 2 and middle cabinet 3 pass through partition 4 separate, form phase in sidecar 2 and middle cabinet 3
Mutual independent air duct, again from base bleed, the biggish reactor 6 of calorific value and switching unit 7 are set to middle cabinet 3 for top air inlet
Interior, the lesser capacitor 5 of calorific value is set in sidecar 2, is reduced mutual air circulation and heat exchange, is reduced capacitor
The temperature of 5 place environment of device protects the stability for increasing its operation for temperature sensitive capacitor 5, extends its service life, most
Air drains into outdoor by air-exhausting duct afterwards.
Above-mentioned, the upper end of two telescopic rods 10 passes through wheel axis connection idler wheel respectively, and idler wheel is set to fixed frame 11 and adjustable shelf
On upright guide rail on 12.The movement of telescopic rod 10 in 8 telescopic process of telescoping mechanism is oriented to by upright guide rail.
Above-mentioned, blower is axial flow blower, connects power supply by switch.
Above-mentioned, the telescoping mechanism 8 of the multiple groups pull-out mechanism in sidecar 2 shares the same fixed frame 11.
A kind of compensation system of three-phase imbalance compensation device, including idle compensating control, nothing are connect with switching unit 7
Function compensating controller acquisition three phase mains is sampled, then by certain operation, obtain the realtime power of current electric grid because
Number.For this power factor compared with the input threshold quantity of setting and excision thresholding, the control movement of switching unit 7 is switched in or out capacitor
5。
It should be noted that switching unit 7, reactor 6, capacitor 5 and reactive compensation control in above-mentioned apparatus and system
Device processed is that therefore not to repeat here for existing mature equipment, structure and principle and connection, idle compensating control and switching list
The connection of member 7 is similarly the prior art, and therefore not to repeat here.
The string holes passed through for route is provided in aforementioned barriers 4.
Embodiment two
As shown in figure 5, what is different from the first embodiment is that passing through tension spring 21 equipped with tension spring 21 between two telescopic rods 10
The reset of energy storage and release realization pull mounting plate 9.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (6)
1. a kind of three-phase imbalance compensation device, including compensating cabinet, it is characterised in that: be equipped with sidecar inside the compensating cabinet in
Between cabinet, be separated by partition between sidecar and middle cabinet, capacitor be equipped in sidecar, reactor and switching unit are set to middle cabinet
Interior, switching unit is set on the pull mounting plate of pull-out mechanism, and pull-out mechanism includes telescoping mechanism and and pumping connected to it
Mounting plate is drawn, telescoping mechanism includes two telescopic rods arranged in a crossed manner, and two telescopic rods are hinged by pin shaft, telescopic rod
Lower end is hinged with fixed frame, and the lower end of another telescopic rod and adjustable shelf are hinged, and the bottom of adjustable shelf is equipped with directive wheel, directive wheel
In pull guide, pull guide is connected compensating cabinet, and fixed frame is fixedly connected with the two sides inner wall of compensating cabinet；Reactor and switching
Unit is set in fixed mounting plate, and fixed mounting plate is connected partition.
2. a kind of three-phase imbalance compensation device according to claim 1, it is characterised in that: set at the top of the compensating cabinet
There is a fan housing, the top of fan housing is equipped with air inlet, and blower is equipped in air inlet, is respectively equipped at the top of sidecar and middle cabinet and fan housing
The lower part of the opening of inside connection, sidecar and middle cabinet is provided with air outlet, and air outlet connects air-exhausting duct.
3. a kind of three-phase imbalance compensation device according to claim 1, it is characterised in that: described two telescopic rods it is upper
Respectively by wheel axis connection idler wheel, idler wheel is set on the upright guide rail on fixed frame and adjustable shelf at end.
4. a kind of three-phase imbalance compensation device according to claim 2, it is characterised in that: the blower is axis stream wind
Machine connects power supply by switch.
5. a kind of three-phase imbalance compensation device according to claim 1, it is characterised in that: between described two telescopic rods
Equipped with tension spring.
6. the compensation system of a three-phase imbalance compensation device as claimed in claims 1-5, which is characterized in that including with switching
Unit connects idle compensating control, and idle compensating control acquisition three phase mains is sampled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081620.0U CN209419232U (en) | 2019-01-17 | 2019-01-17 | A kind of three-phase imbalance compensation device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081620.0U CN209419232U (en) | 2019-01-17 | 2019-01-17 | A kind of three-phase imbalance compensation device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419232U true CN209419232U (en) | 2019-09-20 |
Family
ID=67943818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920081620.0U Active CN209419232U (en) | 2019-01-17 | 2019-01-17 | A kind of three-phase imbalance compensation device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209419232U (en) |
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2019
- 2019-01-17 CN CN201920081620.0U patent/CN209419232U/en active Active
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