CN205544297U - Electric energy quality compensation device - Google Patents
Electric energy quality compensation device Download PDFInfo
- Publication number
- CN205544297U CN205544297U CN201620040625.5U CN201620040625U CN205544297U CN 205544297 U CN205544297 U CN 205544297U CN 201620040625 U CN201620040625 U CN 201620040625U CN 205544297 U CN205544297 U CN 205544297U
- Authority
- CN
- China
- Prior art keywords
- module
- distribution network
- active power
- busbar
- pluggable
- Prior art date
- 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.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 claims abstract description 54
- 238000001914 filtration Methods 0.000 claims abstract description 48
- 230000003068 static effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000004899 motility Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction 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
- 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
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses an electric energy quality compensation arrangement belongs to electric power technical field. The apparatus is connected to a power distribution network, the apparatus comprising: the system comprises a reactive compensation module, an active filtering module and a centralized monitoring module; the centralized monitoring module is respectively connected with the reactive power compensation module and the active filtering module; the centralized monitoring module is used for monitoring the load current in the power distribution network and controlling the working states of the reactive compensation module and the active filtering module according to the monitoring result of the load current. Therefore the embodiment of the utility model provides an electric energy quality compensation device can carry out reactive compensation to distribution network through the reactive compensation module to carry out the harmonic filtering through active filter module to distribution network, richened electric energy quality compensation device's function, solved among the correlation technique electric energy quality compensation device function singleness, use the lower problem of flexibility. The utility model is used for compensate electric energy quality.
Description
Technical field
This utility model relates to technical field of electric power, particularly to a kind of electric energy quality compensating device.
Background technology
Power system is typically by electric station, power transmission network, transformer station, distribution network and be connected to power distribution network
The load equipment composition of network, along with electric filament lamp, the nonlinear load equipment such as air-conditioning, heater, fridge
Large-scale use, can cause distribution network voltage or the distortion of current sinusoidal waveform, makes bearing in distribution network
Carry electric current and produce harmonic component (i.e. mains by harmonics), in order to avoid this mains by harmonics affects the confession of power system
Electricity quality, needs the low-pressure side of transformator in transformer station or distribution network to be provided with the electric energy such as source filter
Quality compensating device.
In correlation technique, the load current in distribution network can be detected by active filter, and can
According to the mains by harmonics detected, generate harmonic wave equal, opposite polarity with this mains by harmonics current amplitude and mend
Repay electric current, and this harmonic compensation current is inputted to distribution network, and then reach to filter mains by harmonics, improve
The effect of power system power supply quality.
But, the function of the electric energy quality compensating devices such as the active filter in correlation technique is the most single, makes
Poor with motility.
Utility model content
In order to solve the most single the asking of function of the electric energy quality compensating device such as active filter in correlation technique
Topic, this utility model provides a kind of electric energy quality compensating device.Described technical scheme is as follows:
This utility model embodiment provides a kind of electric energy quality compensating device, and described device is with distribution network even
Connecing, described device includes:
Reactive compensation module, active power filtering module and Centralized Monitoring module；
Described Centralized Monitoring module is connected with described reactive compensation module and described active power filtering module respectively；
Described Centralized Monitoring module is for monitoring the load current in distribution network, and loads electricity according to described
The monitoring result of stream, controls described reactive compensation module and the duty of described active power filtering module.
Optionally, described device also includes:
Pluggable busbar, described pluggable busbar is provided with at least two and connects contact；
Described reactive compensation module and described active power filtering module are by described connection contact and described pluggable mother
Row can connect in plug；
Described Centralized Monitoring module electrically connects with described pluggable busbar.
Optionally, described Centralized Monitoring module is provided with signal processing DSP submodule；
Described DSP submodule is for separating the harmonic component in described load current and idle component；
Described Centralized Monitoring module, is additionally operable to:
When described load current exists idle component, control described reactive compensation module to described power distribution network
Network inputs reactive-load compensation electric current；
When described load current exists harmonic component, control described active power filtering module to described power distribution network
In network, input harmonics compensates electric current.
Optionally, described device includes:
It is static contact that at least two arranged on described pluggable busbar connects contact；
Described reactive compensation module and described active power filtering module are provided with moving contact；
Described reactive compensation module and described active power filtering module are by described moving contact and described pluggable busbar
On static contact connect.
Optionally, described device also includes:
Disconnecting switch；
Described disconnecting switch electrically connects with described pluggable busbar.
Optionally, described device also includes: housing；
Described pluggable busbar, described disconnecting switch and described Centralized Monitoring module are arranged in described housing.
Optionally, described reactive compensation module is static reacance generator SVG.
Optionally, described active power filtering module is Active Power Filter-APF APF.
Optionally, described device also includes: chopper；
Described chopper electrically connects with described pluggable busbar.
Optionally, described device is connected with distribution network by transformer station；
Or it is connected with distribution network by the transformator in distribution network.
The technical scheme that this utility model embodiment provides has the benefit that
This utility model embodiment provides a kind of electric energy quality compensating device, and this device includes: reactive-load compensation
Module, active power filtering module and Centralized Monitoring module；This Centralized Monitoring module respectively with this reactive compensation module
Connect with this active power filtering module；This Centralized Monitoring module is used for monitoring the load current in distribution network, and
According to the monitoring result to this load current, control the work of this reactive compensation module and this active power filtering module
State, the electric energy quality compensating device that therefore this utility model embodiment provides can pass through reactive compensation module
Distribution network is carried out reactive-load compensation, and by active power filtering module, distribution network is carried out harmonic filtration, rich
The rich function of electric energy quality compensating device, improves motility when electric energy quality compensating device uses.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, embodiment will be described below
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of utility model, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the applied environment schematic diagram of a kind of electric energy quality compensating device that this utility model embodiment provides；
Fig. 2 is the structural representation of a kind of electric energy quality compensating device that this utility model embodiment provides；
Fig. 3 is the structural representation of the another kind of electric energy quality compensating device that this utility model embodiment provides；
Fig. 4 is the structural representation of another electric energy quality compensating device that this utility model embodiment provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this
Utility model embodiment is described in further detail.
Fig. 1 is the applied environment schematic diagram of a kind of electric energy quality compensating device that this utility model embodiment provides,
As it is shown in figure 1, this applied environment can include electric station 11, transformer station 12 and load equipment 13, wherein,
Electric station 11 is connected with transformer station 12 by power transmission network, and transformer station 12 is by distribution network and load equipment
13 connect, and the electric energy quality compensating device (not shown) that this utility model embodiment provides can be arranged
In transformer station 12, or the low-pressure side of the transformator can being arranged in distribution network, this quality of power supply is mended
Repay device to be connected with distribution network by the transformator in transformer station 12 or this distribution network, and to joining
The quality of power supply in electric network compensates, and then improves the power supply quality of electric power system.
Fig. 2 is the structural representation of a kind of electric energy quality compensating device that this utility model embodiment provides, as
Shown in Fig. 2, this device includes: reactive compensation module 01, active power filtering module 02 and Centralized Monitoring module
03；This Centralized Monitoring module 03 is connected with this reactive compensation module 01 and this active power filtering module 02 respectively,
For example, it is possible to connected by cable；
This Centralized Monitoring module 03 is used for monitoring the load current in distribution network, and according to this load current
Monitoring result, control the duty of this reactive compensation module 01 and this active power filtering module 02.
In sum, this utility model embodiment provides a kind of electric energy quality compensating device, and this device includes:
Reactive compensation module, active power filtering module and Centralized Monitoring module；This Centralized Monitoring module is idle with this respectively
Compensating module and this active power filtering module connect；This Centralized Monitoring module is for monitoring the load in distribution network
Electric current, and according to the monitoring result to this load current, control this reactive compensation module and this active power filtering mould
The duty of block, the electric energy quality compensating device that therefore this utility model embodiment provides can be by idle
Compensating module carries out reactive-load compensation to distribution network, and by active power filtering module, distribution network is carried out harmonic wave
Filter, enrich the function of electric energy quality compensating device, improve spirit when electric energy quality compensating device uses
Activity.
Optionally, as it is shown on figure 3, this device can also include:
Pluggable busbar 04, this pluggable busbar 04 is provided with at least two connection contact and (does not shows in Fig. 3
Go out)；
This reactive compensation module 01 and this active power filtering module 02 are by this connection contact and this pluggable busbar
04 can connect in plug；In order to ensure reactive compensation module 01 and active power filtering module 02 and pluggable busbar 04
Effective connection, common, the number connecting contact that pluggable busbar 04 is arranged is more than or equal to idle
Compensating module 01 and the number sum of this active power filtering module 02.
This Centralized Monitoring module (not shown in Fig. 3) electrically connects with this pluggable busbar 04.
It should be noted that in actual applications, the reactive-load compensation mould of grafting in this electric energy quality compensating device
The number of block and active power filtering module can be configured according to the actual capacity of electrical network, and this utility model is implemented
This is not limited by example.
In this utility model embodiment, it is permissible that at least two that this pluggable busbar 04 is arranged connects contact
For static contact；And this reactive compensation module 01 can be provided with moving contact in this active power filtering module 02；
This reactive compensation module 01 and this active power filtering module 02 can be by this moving contact and this pluggable mothers
Static contact on row 04 connects.
Optionally, Fig. 2 can be provided with signal processing (English: Digital in this Centralized Monitoring module 03
Signal Processor；It is called for short: DSP) submodule；This DSP submodule is for separating in this load current
Harmonic component and idle component；This Centralized Monitoring module 03, is additionally operable to:
When this load current exists idle component, control this reactive compensation module 01 in this distribution network
Input reactive-load compensation electric current, concrete, Centralized Monitoring module 03 can control reactive compensation module 01 and generate
Equal with this idle component amplitude, opposite polarity reactive-load compensation electric current, and this reactive-load compensation electric current is inputted
To distribution network, in order to the reactive power in electrical network is compensated；When this load current exists harmonic wave
During component, Centralized Monitoring module 03 can control this active power filtering module 02 and input humorous in this distribution network
Ripple compensates electric current, concrete, and Centralized Monitoring module 03 can control active power filtering module 02 and generate and this nothing
Merit component amplitude is equal, opposite polarity harmonic compensation current, and inputs this harmonic compensation current to distribution
In network, thus realize mains by harmonics is filtered.
When there is idle component and harmonic component during Centralized Monitoring module 03 monitors this load current simultaneously,
Centralized Monitoring module 03 can control this reactive compensation module 01 and active power filtering module 02 respectively to this distribution
Network inputs reactive-load compensation electric current and harmonic compensation current；Accordingly, when the idle component in load current
When meeting preset requirement with harmonic component, Centralized Monitoring module 03 can control this reactive compensation module 01 He
Active power filtering module 02 stops input offset current in distribution network.
Wherein, this reactive compensation module can be that static reacance generator is (English: Static Var Generator；
It is called for short: SVG).SVG uses power module to carry out reactive-load compensation, and the power factor (PF) after compensation is typically 0.98
Above, and compensation speed is fast, and own loss is little, and compensation effect is good；This active power filtering module can be to have
Active power filter is (English: Active power filter；Being called for short: APF), APF loss is relatively low, response
Speed is fast, and filter effect is not affected by system impedance change, and can self-restration system resonance.
Optionally, as it is shown on figure 3, this device can also include: disconnecting switch 05；
This disconnecting switch 05 electrically connects 04 with this pluggable busbar, such as, is connected by cable.This is kept apart
Close 05 to be used for when this quality of power supply device is keeped in repair or safeguarded, by this pluggable busbar 04 and power supply
Isolation.
Fig. 4 is the structural representation of another electric energy quality compensating device that this utility model embodiment provides,
As shown in Figure 4, this device can also include: housing 06；
In Fig. 3, this Centralized Monitoring module 03 in this pluggable busbar 04, this disconnecting switch 05 and Fig. 4 can
To be arranged in this housing 06.It should be noted that as shown in Figure 4, this housing 06 can also include
The door 061 being connected with the subject activity of housing 06, this Centralized Monitoring module 03 can be arranged on door 061.
In this utility model embodiment, this reactive power compensator can also include: chopper (above-mentioned accompanying drawing
Not shown in)；This chopper electrically connects with this pluggable busbar, when reactive power compensator occurs serious mistake
Carry or can automatic shutdown circuit during the fault such as short-circuit and under-voltage.
The technical scheme that this utility model embodiment provides has the benefit that
This utility model embodiment provides a kind of electric energy quality compensating device, and this device includes: reactive-load compensation
Module, active power filtering module and Centralized Monitoring module；This Centralized Monitoring module respectively with this reactive compensation module
Connect with this active power filtering module；This Centralized Monitoring module is used for monitoring the load current in distribution network, and
According to the monitoring result to this load current, control the work of this reactive compensation module and this active power filtering module
State, the electric energy quality compensating device that therefore this utility model embodiment provides can pass through reactive compensation module
Distribution network is carried out reactive-load compensation, and by active power filtering module, distribution network is carried out harmonic filtration, rich
The rich function of electric energy quality compensating device, improves motility when electric energy quality compensating device uses.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all should wrap
Within being contained in protection domain of the present utility model.
Claims (9)
1. an electric energy quality compensating device, it is characterised in that described device is connected with distribution network, described device includes:
Reactive compensation module, active power filtering module and Centralized Monitoring module；
Described Centralized Monitoring module is connected with described reactive compensation module and described active power filtering module respectively；
Described Centralized Monitoring module is for monitoring the load current in distribution network, and according to the monitoring result to described load current, controls described reactive compensation module and the duty of described active power filtering module；
Described device also includes:
Pluggable busbar, described pluggable busbar is provided with at least two and connects contact；
Described reactive compensation module and described active power filtering module can be connected with described pluggable busbar by described connection contact in plug；
Described Centralized Monitoring module electrically connects with described pluggable busbar.
Device the most according to claim 1, it is characterised in that
Described Centralized Monitoring module is provided with signal processing DSP submodule；
Described DSP submodule is for separating the harmonic component in described load current and idle component；
Described Centralized Monitoring module, is additionally operable to:
When described load current exists idle component, control described reactive compensation module in described distribution network, input reactive-load compensation electric current；
When described load current exists harmonic component, control described active power filtering module input harmonics in described distribution network and compensate electric current.
Device the most according to claim 1, it is characterised in that described device includes:
It is static contact that at least two arranged on described pluggable busbar connects contact；
Described reactive compensation module and described active power filtering module are provided with moving contact；
Described reactive compensation module and described active power filtering module are connected with the static contact on described pluggable busbar by described moving contact.
4. according to the arbitrary described device of claims 1 to 3, it is characterised in that described device also includes:
Disconnecting switch；
Described disconnecting switch electrically connects with described pluggable busbar.
Device the most according to claim 4, it is characterised in that described device also includes:
Housing；
Described pluggable busbar, described disconnecting switch and described Centralized Monitoring module are arranged in described housing.
6. according to the arbitrary described device of claims 1 to 3, it is characterised in that
Described reactive compensation module is static reacance generator SVG.
7. according to the arbitrary described device of claims 1 to 3, it is characterised in that
Described active power filtering module is Active Power Filter-APF APF.
8. according to the arbitrary described device of claims 1 to 3, it is characterised in that described device also includes:
Chopper；
Described chopper electrically connects with described pluggable busbar.
9. according to the arbitrary described device of claims 1 to 3, it is characterised in that
Described electric energy quality compensating device is connected with described distribution network by transformer station；
Or it is connected with described distribution network by the transformator in distribution network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040625.5U CN205544297U (en) | 2016-01-15 | 2016-01-15 | Electric energy quality compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040625.5U CN205544297U (en) | 2016-01-15 | 2016-01-15 | Electric energy quality compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544297U true CN205544297U (en) | 2016-08-31 |
Family
ID=56765140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620040625.5U Active CN205544297U (en) | 2016-01-15 | 2016-01-15 | Electric energy quality compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119997A (en) * | 2018-10-15 | 2019-01-01 | 杭州电力设备制造有限公司 | A kind of power quality compensator |
-
2016
- 2016-01-15 CN CN201620040625.5U patent/CN205544297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119997A (en) * | 2018-10-15 | 2019-01-01 | 杭州电力设备制造有限公司 | A kind of power quality compensator |
| CN109119997B (en) * | 2018-10-15 | 2024-05-24 | 杭州电力设备制造有限公司 | Electric energy quality compensation equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2891438Y (en) | Active power filter | |
| CN105119290B (en) | A kind of power compensating system and control method of uninterruptible power supply | |
| CN106655470B (en) | A kind of uninterruptible power supply and its control method | |
| CN203071576U (en) | Multi-voltage level harmonic disturbance source generation system | |
| CN205377288U (en) | Embedded electric energy quality optimization device | |
| CN109586296A (en) | The control method and device of mixed active electric power kinetic filter based on energy storage | |
| CN112162161B (en) | Detection system and detection method for power electronic grid-connected device | |
| CN201639302U (en) | Programmable harmonic wave generating device | |
| CN205544297U (en) | Electric energy quality compensation device | |
| Abed et al. | Protection of sensitive loads from voltages fluctuations in Iraqi grids by DVR | |
| CN102255313A (en) | Active-type harmonic control and reactive power control comprehensive device | |
| Mohammed et al. | Conventional dynamic voltage restorer (DVR) for mitigation of voltage sag in power distribution systems | |
| CN203859524U (en) | Parallelly-connected active power filtering device | |
| CN101552472B (en) | Active electric power filter | |
| CN206775133U (en) | A kind of New DSP utility power quality control and on-Line Monitor Device | |
| Haidar et al. | Parameters evaluation of unified power quality conditioner | |
| CN202159976U (en) | Harmonic control and dynamic reactive compensation comprehensive control device | |
| CN211720266U (en) | Three-phase unbalanced power supply regulation transmission cabinet device | |
| Kanaujia et al. | Power Quality Enhancement with D-STATCOM under Different fault conditions | |
| Gupta et al. | Performance of distributed power flow controller on system behavior under unbalance fault condition | |
| Hosseini et al. | A novel hybrid active filter for power quality improvement and neutral current cancellation | |
| CN205544296U (en) | Electric energy quality control device | |
| CN206790109U (en) | A kind of reactive-load compensation power network transformation adjusting means | |
| CN205753426U (en) | Electric power compensation system based on TSC | |
| Kostinskiy et al. | Agent-based approach for analysis of electricity distribution technological processes in power systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |