CN208923840U - A kind of novel improvement distribution network electric energy quality device - Google Patents
A kind of novel improvement distribution network electric energy quality device Download PDFInfo
- Publication number
- CN208923840U CN208923840U CN201821898919.7U CN201821898919U CN208923840U CN 208923840 U CN208923840 U CN 208923840U CN 201821898919 U CN201821898919 U CN 201821898919U CN 208923840 U CN208923840 U CN 208923840U
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- CN
- China
- Prior art keywords
- module
- control host
- cabinet
- electric energy
- distribution network
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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.)
- Expired - Fee Related
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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
- Y02E40/40—Arrangements for reducing harmonics
-
- 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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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model is suitable for improving power quality technical field, a kind of novel improvement distribution network electric energy quality device is provided, including cabinet, it is vertically arranged three isolation boards in the cabinet, cabinet is divided into four cavitys from left to right, control host and uneven adjustment module are sequentially placed in four cavitys, power compensator, harmonic wave control module, the control host is fixed with mounting plate in the cavity, current transformer is installed on the mounting plate, voltage transformer, data collector and filter, the control host side is also equipped with output protection module, the current transformer and voltage transformer are for accessing transmission line of electricity, and the output end of current transformer and voltage transformer is connected to the data collector, the output end of the data collector is connected to the control host by the filter, it is described The output end of output protection circuit accesses to transmission line of electricity.The present apparatus improves power quality, wastage reducing and energy saving for improving distribution network electric energy.
Description
Technical field
The utility model, which belongs to, improves power quality technical field, more particularly to a kind of novel improvement distribution network electric energy matter
Measure device.
Background technique
With the development of electric power system power source, power generation is changed from planned economy to market economy, and user is to electric energy matter
The requirement of amount will be higher and higher.Under Electricity Market, power supply shows as a kind of commerce services behavior, and electric energy is as a kind of
Commodity equally have qualitative attribute with other commodity.Power supply quality is different, and cost is just different, the price and power supply only powered
Quality, which is associated, could establish a real electricity market.With the development of power electronics technology, occur in electric system
A large amount of nonlinear-loads.Such as metallurgy, chemical industry, mine department largely use thyristor rectified power supply, it is big in many industrial departments
Amount uses frequency converter, and Railway Electric locomotive uses single-phase rectifier power and the D.C. high voltage transmission of electric system etc.,
These typical nonlinear-loads, which inject a large amount of harmonic current to power grid, reduces the power quality of entire power grid.Power quality
Decline has seriously affected the normal production and life of people, in recent years because of electrical equipment damage, protective relaying maloperation, communication interference
Accident and the dispute for being related to power quality also happens occasionally.Power quality is related to the safe and economic operation of power grid, is industrial production
The guarantee of quality has an important influence on to energy consumption and human habitat etc. is reduced.Essence in modern industry and science and technology
Close instrument and equipment, complicated control system and process flow, the requirement to power quality is higher and higher, therefore power quality relationship
The overall benefit of national economy.Existing power quality adjusting device regulative mode and range are single, cannot carry out to power grid
Comprehensive adjustment.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of novel improvement distribution network electric energy quality dresses
It sets, it is intended to solve the not high technical problem of existing power quality.
The utility model adopts the following technical solution:
The novel improvement distribution network electric energy quality device includes cabinet, and three isolation boards are vertically arranged in the cabinet
Cabinet is divided into four cavitys from left to right, be sequentially placed in four cavitys control host and uneven adjustment module,
Power compensator, harmonic wave control module, the control host are fixed with mounting plate in the cavity, are equipped on the mounting plate
Current transformer, voltage transformer, data collector and filter, the control host side are also equipped with output protection mould
Block, the current transformer and voltage transformer are for accessing transmission line of electricity, and the output of current transformer and voltage transformer
End is connected to the data collector, and the output end of the data collector is connected to the control by the filter and leads
Machine, the uneven adjustment module, power compensator, harmonic wave control module are connected to the control host and output protection electricity
Between road, the output end of the output protection circuit accesses to transmission line of electricity.
Further, cross-arm frame is arranged at bottom in the cabinet, and wire casing, the uneven adjustment are provided on the cross-arm frame
Module, power compensator, harmonic wave control module, control host and output protection module are installed on the cross-arm frame, institute
State control host and uneven adjustment module, power compensator, the connecting line of harmonic wave control module and output protection module with
Imbalance adjustment module, power compensator, harmonic wave control module connecting line pass through the wire casing.
Further, it is provided with incoming line at the top of cavity where the control host, side wall is provided with line outlet, the incoming line
With line outlet for passing in and out transmission line of electricity.
Further, the top surface of each cavity is provided with fan, and opening is provided at the top of the cabinet backwards
Fan housing, the fan housing bottom is connected to the air outlet of all fans, and the bottom of box is provided with air port, the top in the air port
There is Air Filter, the Air Filter is located at the lower section of the cross-arm frame.
The beneficial effects of the utility model are: in utility model device, uneven the adjustment module, power compensation
Device, harmonic wave control module adjust power quality by three kinds of modes, wherein imbalance adjustment module is flat for realizing three-phase load
Weighing apparatus is adjusted, and when three-phase load unbalance occurs in distribution line, carries out the switching of load, heavily loaded phase load is transferred to underloading phase
On, so as to improve power quality, power compensator is for realizing dynamic passive compensation, to improve the power factor of power grid, reduces
Cable waste improves power quality, and harmonic wave control module is used for harmonic wave control function, realizes that wastage reducing and energy saving mentions without harmonic injection
High power quality.
Detailed description of the invention
Fig. 1 is novel improvement distribution network electric energy quality structure drawing of device provided by the embodiment of the utility model；
Fig. 2 is novel improvement distribution network electric energy quality schematic diagram of device provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
Fig. 1,2 show novel improvement distribution network electric energy quality structure drawing of device provided by the embodiment of the utility model and
Schematic diagram illustrates only part relevant to the utility model embodiment for ease of description.
The novel improvement distribution network electric energy quality device includes cabinet 1, and three isolation are vertically arranged in the cabinet 1
Cabinet is divided into four cavitys 11 by plate 2 from left to right, and control host 3 and uneven adjustment are sequentially placed in four cavitys
Module 4, power compensator 5, harmonic wave control module 6, the control host 3 are fixed with mounting plate 12, the peace in the cavity
Current transformer 31, voltage transformer 32, data collector 33 and filter 34, the control host 3 are installed in loading board 12
Side is also equipped with output protection module 35, the current transformer 31 and voltage transformer 32 for accessing transmission line of electricity, and
The output end of current transformer 31 and voltage transformer 32 is connected to the data collector 33, the data collector 33 it is defeated
Outlet is connected to the control host 3, uneven the adjustment module 4, power compensator 5, harmonic wave by the filter 34
Abatement modules 6 are connected between the control host 3 and output protection circuit 35, the output end of the output protection circuit 35
Access to transmission line of electricity.
In the present invention, the current transformer, voltage transformer are respectively used to electric current and electricity in measurement power transmission line
Situation is pressed, data collector is used to acquire voltage, the current conditions of electric energy, then transfers to control host judgement, the imbalance
Adjustment module, power compensator, harmonic wave control module adjust power quality by three kinds of modes, wherein imbalance adjustment module
For realizing three-phrase burden balance adjusting, when three-phase load unbalance occurs in distribution line, the switching of load is carried out, it will be heavily loaded
Phase load is transferred in underloading phase, and so as to improve power quality, power compensator is for realizing dynamic passive compensation, to improve electricity
The power factor of net reduces cable waste, improves power quality, and harmonic wave control module is used for harmonic wave control function, realizes without humorous
Wave injection, wastage reducing and energy saving improve power quality, finally by the power output after improvement.The output protection module is for avoiding
Imbalance adjustment module, power compensator, harmonic wave control module break down, and output burst high current impacts power grid,
When there is output problem, output protection module is directly disconnected.
In the present apparatus, the isolation board will control host and uneven adjustment module, power compensator and harmonic wave control
Module is spaced in different cavitys, makes to be independent of each other when its work.Cross-arm frame 7, the cross-arm frame are arranged at bottom in the cabinet 1
It is provided with wire casing 13 on 7, the uneven adjustment module 4, power compensator 5, harmonic wave control module 6, control host 3 and defeated
Protective module 35 is installed on the cross-arm frame 7 out, the control host 3 and uneven adjustment module 4, power compensator 5,
The connecting line and output protection module 35 of harmonic wave control module 6 are controlled with imbalance adjustment module 4, power compensator 5, harmonic wave
The connecting line of reason module 6 passes through the wire casing.
In the utility model embodiment, the cross-arm frame is used to support uneven adjustment module, power compensator, harmonic wave
Abatement modules, control host and output protection module, the wire casing is for protecting connecting line.In addition, 3 institute of control host
Incoming line 14 is provided at the top of cavity, side wall is provided with line outlet 15, and the incoming line 14 is with line outlet 15 for passing in and out power transmission line
Road.
Finally, in this configuration, in order to facilitate radiating in cabinet, the top surface of each cavity 11 is provided with fan 8,
The top of the cabinet 1 is provided with the fan housing 81 of opening backwards, and 81 bottom of fan housing is connected to the air outlet of all fans 8,
1 bottom of cabinet is provided with air port 82, and there is Air Filter 83 in the top in the air port 82, and the Air Filter 83 is located at the cross-arm frame
7 lower section.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. a kind of novel improvement distribution network electric energy quality device, which is characterized in that including cabinet, be vertically arranged in the cabinet
Cabinet is divided into four cavitys by three isolation boards from left to right, and control host and imbalance are sequentially placed in four cavitys
Module, power compensator, harmonic wave control module are adjusted, the control host is fixed with mounting plate, the installation in the cavity
Current transformer, voltage transformer, data collector and filter are installed, the control host side is also equipped with defeated on plate
Protective module out, the current transformer and voltage transformer are for accessing transmission line of electricity, and current transformer and mutual induction of voltage
The output end of device is connected to the data collector, and the output end of the data collector is connected to described by the filter
Host is controlled, the uneven adjustment module, power compensator, harmonic wave control module are connected to the control host and output
It protects between circuit, the output end of the output protection circuit accesses to transmission line of electricity.
2. novel improvement distribution network electric energy quality device as described in claim 1, which is characterized in that there is bottom in the cabinet
Cross-arm frame is provided with wire casing, the uneven adjustment module, power compensator, harmonic wave control module, control on the cross-arm frame
Host and output protection module are installed on the cross-arm frame, and the control host and uneven adjustment module, power are mended
Device, the connecting line of harmonic wave control module and output protection module is repaid to control with imbalance adjustment module, power compensator, harmonic wave
The connecting line of reason module passes through the wire casing.
3. novel improvement distribution network electric energy quality device as claimed in claim 2, which is characterized in where the control host
Incoming line is provided at the top of cavity, side wall is provided with line outlet, the incoming line and line outlet for passing in and out transmission line of electricity.
4. novel improvement distribution network electric energy quality device as claimed in claim 3, which is characterized in that the top of each cavity
Face is provided with fan, and the fan housing of opening backwards is provided at the top of the cabinet, and the fan housing bottom goes out with all fans
Air port connection, the bottom of box are provided with air port, there is Air Filter above the air port, and the Air Filter is located at the cross-arm frame
Lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898919.7U CN208923840U (en) | 2018-11-19 | 2018-11-19 | A kind of novel improvement distribution network electric energy quality device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898919.7U CN208923840U (en) | 2018-11-19 | 2018-11-19 | A kind of novel improvement distribution network electric energy quality device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208923840U true CN208923840U (en) | 2019-05-31 |
Family
ID=66712065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821898919.7U Expired - Fee Related CN208923840U (en) | 2018-11-19 | 2018-11-19 | A kind of novel improvement distribution network electric energy quality device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208923840U (en) |
-
2018
- 2018-11-19 CN CN201821898919.7U patent/CN208923840U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20201119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |