CN209375146U - A kind of three-phase load unbalance regulating device of rainproof noise reduction - Google Patents
A kind of three-phase load unbalance regulating device of rainproof noise reduction Download PDFInfo
- Publication number
- CN209375146U CN209375146U CN201822225354.2U CN201822225354U CN209375146U CN 209375146 U CN209375146 U CN 209375146U CN 201822225354 U CN201822225354 U CN 201822225354U CN 209375146 U CN209375146 U CN 209375146U
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- China
- Prior art keywords
- installs case
- heat dissipation
- dissipation tank
- regulating device
- power module
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- 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.)
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 28
- 230000009467 reduction Effects 0.000 title claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- 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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- Control Of Electrical Variables (AREA)
Abstract
The utility model discloses a kind of three-phase load unbalance regulating devices of rainproof noise reduction, including installs case and power module unit；The side of installs case is equipped with heat dissipation tank, and heat exchanger is equipped in heat dissipation tank, and heat exchanger is connect with Switching Power Supply；Partition is provided in installs case, installs case is divided into upper cavity and lower chamber, is equipped with several slots in upper cavity, power module unit is mounted in slot by partition.A kind of three-phase load unbalance regulating device of rainproof noise reduction of the utility model, including several power module units, output capacity as needed put into an appropriate number of power module, and overall operation volume is small.In addition, heat dissipation tank plays barrier action, reduces rainwater and dust enters in installs case, radiating treatment is carried out by the way of heat exchanger, noise is small by installing heat dissipation tank in the side of installs case.
Description
Technical field
The utility model relates to power quality controlling field more particularly to a kind of three-phase load unbalance tune of rainproof noise reduction
Regulating device.
Background technique
Three-phase imbalance refers to that three-phase current (or voltage) amplitude is inconsistent in the power system, and difference in magnitude is more than regulation
Range.Three-phase load unbalance, gently then reduces the power supply efficiency of route and distribution transformer, heavy then can mutually overload because of heavy load
It is more, it may cause certain phase conductor and blow, switch and burn out the single-phase serious consequences such as burn of even distribution transformer.Three-phase load is uneven
Weighing apparatus will generate unbalance voltage, and high voltage offset increases neutral current, to increase line loss.And three-phase load is not
Balance regulator is just primarily used for low-voltage distribution user side, mainly carries out operation by power module unit, administers three-phase
Current imbalance optimizes power quality.
Existing three-phase load unbalance regulating device is directly opening up through-hole installation exhaust fan in bin, so that bin
Inside be directly connected to the external world, cause bin to be easily accessible rainwater and dust, there are security risk, and exhaust fan generation
Noise is larger.
Utility model content
The utility model aims to solve the problem that above-mentioned mentioned technical problem, and the three-phase load for providing a kind of rainproof noise reduction is uneven
Weigh regulating device, reduces rainwater and dust enters, and reduce noise.
The utility model is realized through the following technical scheme:
A kind of three-phase load unbalance regulating device of rainproof noise reduction, including installs case and power module unit, the electricity
Power module unit has several, and power module unit includes the first controller, IGBT drive module and reactive compensation module, described
First controller connects reactive compensation module by IGBT drive module；The side of the installs case is equipped with heat dissipation tank, described
Heat dissipation tank is connected to installs case, and heat exchanger is equipped in heat dissipation tank, and heat exchanger is connect with Switching Power Supply, heat dissipation tank
Side is connect by hinge with installs case, and the other side is fixedly connected by screw with installs case, is set between heat dissipation tank and installs case
It is equipped with the annular seal item along the edge of heat dissipation tank arrangement；Partition is provided in the installs case, the partition divides installs case
It is divided into upper cavity and lower chamber, is equipped with several slots in the upper cavity, the power module unit is mounted in slot.
Further, the top of the installs case is equipped with the guide part for guiding water flow.
Further, the heat exchanger includes two fans and aluminium case, and described two fans are separately positioned on aluminium case
It is inside and outside.
Further, it is equipped with temperature-detecting device, voltage regulating device and second controller in the heat dissipation tank, described the
Two controllers are electrically connected with temperature-detecting device and voltage regulating device respectively, and the voltage regulating device is electrically connected with fan.
Further, the heat dissipation tank is provided with the first air inlet and the first air outlet close to the side of installs case, heat dissipation
Case is provided with the second air inlet and the second air outlet far from the side of installs case, and first air inlet is located at the first air outlet
Top, second air inlet are located at the lower section of the second air outlet, be provided in heat dissipation tank connection the first air inlet and second into
First air duct in air port, and the second air duct of connection the first air outlet and the second air outlet.
Beneficial effect is: compared with prior art, a kind of three-phase load unbalance regulating device of rainproof noise reduction, if including
A dry power module unit, power module unit by slot are mounted on installs case, it can be achieved that being rapidly assembled and disassembled, when installation
The current value compensated according to actual needs, the power module unit that different number may be selected install and machine operation, according to need
Output capacity is wanted to put into an appropriate number of power module, overall operation volume is small.In addition, being dissipated by being installed in the side of installs case
Hot tank, heat dissipation tank play barrier action, reduce rainwater and dust enters in installs case, radiated by the way of heat exchanger
Processing, noise are small.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing, in which:
Fig. 1 is a kind of a kind of solid of embodiment of three-phase load unbalance regulating device of rainproof noise reduction of the utility model
Figure；
Fig. 2 is a kind of a kind of left view of embodiment of three-phase load unbalance regulating device of rainproof noise reduction of the utility model
Figure.
Specific embodiment
As depicted in figs. 1 and 2, the three-phase load unbalance regulating device of a kind of rainproof noise reduction, including installs case 100, electricity
Source breaker 200, the Switching Power Supply 300 for converting voltage, arrester 400, communication module 500, connecting terminal 600 and several
A power module unit 700, arrester 400 be grounded, power module unit 700 include the first controller, IGBT drive module and
Reactive compensation module, first controller connect reactive compensation module by IGBT drive module, and power module unit 700 is logical
It crosses connecting terminal 600 to connect with external current transformer, power circuit breaker 200 is the protection component in circuitry, electricity
Source breaker 200 shields to the circuit of complete machine, and the communication module 500 is used to connect with remote terminal equipment, and
Communication module 500 is electrically connected with several power module units 700；Several miniature circuit breakers are also equipped in installs case 100
900, several described miniature circuit breakers 900 connect one to one with several first controllers, and miniature circuit breaker 900 plays protection
The effect of power module unit 700.Partition is provided in the installs case 100, installs case 100 is divided into epicoele by the partition
Body and lower chamber are equipped with several slots in the upper cavity, and the power module unit 700 is mounted in slot, and power supply is disconnected
Road device 200, Switching Power Supply 300, communication module 500, miniature circuit breaker 900, arrester 400 and connecting terminal 600 are mounted on down
In cavity.Device uses modularized design, and power module unit 700 and installs case 100 are all made of fast insert-pull Interface design, connect
Mouth is hot connecting and disconnecting source connector (power supply terminal), and fast insert-pull is installed without power-off, is easy to maintain.Using hot plugging side
Formula can not have a power failure in wire insertion on steady arm and carry out the parallel connection and replacement of power module unit 700, facilitate equipment later maintenance,
Capacity adjustment, maintenance.In addition, equipment can realize outdoor single since single 700 size of power module unit is small and light-weight
Independent maintenance maintenance, capacity adjustment on column, can single quick manual replace power module unit 700, maintenance time is short.
In the present embodiment, the side of installs case 100 is equipped with heat dissipation tank 800, and the heat dissipation tank 800 connects with installs case 100
It is logical, and heat exchanger is installed in heat dissipation tank 800, heat exchanger is connect with Switching Power Supply 300, has completely cut off rainwater and ash in this way
Dirt improves reliability, and radiating treatment is carried out by the way of heat exchanger, and noise is small.Switching Power Supply 300 turns 220V voltage
48V voltage is changed into as heat exchanger power supply.The side of heat dissipation tank 800 is connect by hinge with installs case 100, and the other side passes through spiral shell
Silk is fixedly connected with installs case 100, and the ring along the edge of heat dissipation tank 800 arrangement is provided between heat dissipation tank 800 and installs case 100
Shape sealing strip 801.Sealing strip 801 can also play buffer function in addition to that can prevent rainwater and dust from entering.
Further, the top of the installs case 100 is equipped with the guide part for guiding water flow, places open air in rainfall
It can prevent ponding.
Further, the heat exchanger includes two fans and aluminium case, and described two fans are separately positioned on aluminium case
It is inside and outside.Aluminium case opens 800 inside of heat dissipation tank and external environment isolation, and heat dissipation is that heat exchange is carried out on aluminium case.Aluminium case
Be hotter internal environment on one side, sent hot wind on aluminium case with fan.Another side is external environment, takes heat away with fan
Amount.
Further, temperature-detecting device, voltage regulating device and second controller, institute are equipped in the heat dissipation tank 800
It states second controller to be electrically connected with temperature-detecting device and voltage regulating device respectively, the voltage regulating device is electrically connected with fan
It connects.The site environment temperature that second controller is detected according to temperature-detecting device, is input to the voltage of fan, and voltage adjusts dress
The revolving speed for adjusting fan motor is set, automatic adjustment rotation speed of fan is realized, reduces loss, reduce noise.
Further, switch button is provided on the power module unit 700.By on power module unit 700
It is provided with switch button, facilitates operator's debugging control at the scene, power module unit 700 is set by remote terminal
Standby long-range control can also be controlled at the scene when communication module 500 breaks down by personnel.
Further, push and pull bar is provided on the power module unit 700.By the way that push and pull bar is arranged, facilitate electricity
Power module unit 700 mounts and dismounts in slot.
Further, the installs case 100 is equipped with the first door body 101 and the second door body 102, first door body 101
It is separately positioned on the second door body 102 on two sides adjacent in installs case 100.Three-phase load unbalance regulating device needs
The components of installation are more and intensive, and existing only one protective door of three-phase load unbalance regulating device causes to grasp
The narrow space of work is unfavorable for mounting and dismounting.In the present embodiment, installs case 100 is equipped with the first door body 101 and the second door body
102, first door body 101 and the second door body 102 are separately positioned on two sides adjacent in installs case 100.Installation and
When disassembly, openable first door body 101 and the second door body 102 expand the space of operation, so that installing, being easy to maintain.
Further, first door body 101 is hinged in installs case 100 by first axle, and the second door body 102 passes through
Second hinge is hinged in installs case 100, and side of first door body 101 far from the second door body 102 is arranged in the first axle,
Side of second door body 102 far from the first door body 101 is arranged in the second hinge.Design is so that 101 He of the first door body in this way
The position that second door body 102 is opened the door is located at the same side, more convenient operation.
Further, the heat dissipation tank 800 is provided with the first air inlet and the first air outlet close to the side of installs case, dissipates
Hot tank 800 is provided with the second air inlet and the second air outlet far from the side of installs case, and first air inlet is located at first and goes out
The top in air port, second air inlet are located at the lower section of the second air outlet, and the first air inlet of connection is provided in heat dissipation tank 800
With the first air duct of the second air inlet, and the second air duct of connection the first air outlet and the second air outlet.First air duct and
Two air ducts form arranged crosswise, efficiently use the space of heat dissipation tank 800, cooperate with heat exchanger, sufficiently radiate.
After current transformer samples step down side current data, is connected through connecting terminal 600 and transfer data to electricity
Power module unit 700.Power module unit 700 makes electric current mutual inversion of phases between three-phase after being calculated, and generates satisfaction and want
The electric current asked realizes three-phase balance, the function of reactive power compensation and harmonic carcellation.
Present apparatus parallel connection accesses the total outgoing line side of transformer low voltage, and utilizes current transformer real-time detection load current.This
Device uses advanced power electronic technique, and internal power module unit 700 realizes automatic adjust by intelligentized control method mode
The three-phase load unbalance electric current of transformer, compensating power and harmonic carcellation electric current three zones are saved, it is main to play protection change
Depressor, the effect for reducing transformer electric energy loss, reducing neutral line current and increase power factor.
Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this
Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model
It is interior.
Claims (5)
1. a kind of three-phase load unbalance regulating device of rainproof noise reduction, including installs case and power module unit, feature exist
In the power module unit has several, and power module unit includes the first controller, IGBT drive module and reactive compensation
Module, first controller connect reactive compensation module by IGBT drive module；The side of the installs case is equipped with scattered
Hot tank, the heat dissipation tank is connected to installs case, and heat exchanger is equipped in heat dissipation tank, and heat exchanger and Switching Power Supply connect
It connects, the side of heat dissipation tank is connect by hinge with installs case, and the other side is fixedly connected by screw with installs case, heat dissipation tank and peace
The annular seal item along the edge of heat dissipation tank arrangement is provided between vanning；Partition, the partition are provided in the installs case
Installs case is divided into upper cavity and lower chamber, several slots, the power module unit installation are equipped in the upper cavity
In slot.
2. a kind of three-phase load unbalance regulating device of rainproof noise reduction according to claim 1, which is characterized in that described
The top of installs case is equipped with the guide part for guiding water flow.
3. a kind of three-phase load unbalance regulating device of rainproof noise reduction according to claim 1, which is characterized in that described
Heat exchanger includes two fans and aluminium case, and described two fans are separately positioned on the inside and outside of aluminium case.
4. a kind of three-phase load unbalance regulating device of rainproof noise reduction according to claim 3, which is characterized in that described
Temperature-detecting device, voltage regulating device and second controller are equipped in heat dissipation tank, the second controller is examined with temperature respectively
Device and voltage regulating device electrical connection are surveyed, the voltage regulating device is electrically connected with fan.
5. a kind of three-phase load unbalance regulating device of rainproof noise reduction according to claim 1, which is characterized in that described
Heat dissipation tank is provided with the first air inlet and the first air outlet close to the side of installs case, and heat dissipation tank is arranged far from the side of installs case
There are the second air inlet and the second air outlet, first air inlet is located at the top of the first air outlet, second air inlet position
In the lower section of the second air outlet, the first air duct of connection the first air inlet and the second air inlet, Yi Jilian are provided in heat dissipation tank
Second air duct of logical first air outlet and the second air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225354.2U CN209375146U (en) | 2018-12-27 | 2018-12-27 | A kind of three-phase load unbalance regulating device of rainproof noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225354.2U CN209375146U (en) | 2018-12-27 | 2018-12-27 | A kind of three-phase load unbalance regulating device of rainproof noise reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375146U true CN209375146U (en) | 2019-09-10 |
Family
ID=67827936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822225354.2U Expired - Fee Related CN209375146U (en) | 2018-12-27 | 2018-12-27 | A kind of three-phase load unbalance regulating device of rainproof noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209375146U (en) |
-
2018
- 2018-12-27 CN CN201822225354.2U patent/CN209375146U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 |