CN205791553U - A kind of high sensitivity online reactive power compensation instrument - Google Patents
A kind of high sensitivity online reactive power compensation instrument Download PDFInfo
- Publication number
- CN205791553U CN205791553U CN201620541246.4U CN201620541246U CN205791553U CN 205791553 U CN205791553 U CN 205791553U CN 201620541246 U CN201620541246 U CN 201620541246U CN 205791553 U CN205791553 U CN 205791553U
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- China
- Prior art keywords
- electric energy
- high sensitivity
- reactive power
- electric
- power compensation
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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
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Abstract
The utility model discloses a kind of high sensitivity online reactive power compensation instrument, including compensating instrument body and being arranged on micro-control unit MCU, the electric energy computation chip compensated in instrument body, described micro-control unit MCU and electric energy computation chip mutually control to connect, and described compensation instrument body is provided with work condition indicator, electric parameter display device and input and cuts out control device.This utility model one high sensitivity online reactive power compensation instrument, employing has electric energy metrical and voltage, electric current, phase place, the high accuracy electric energy computation chip of the real-time electric parameter acquisition function of power, mutually control to be connected with micro-control unit MCU, in the application, need not extra A/D circuit, simplify the circuit design of whole module, utilize the measurement of electric energy computation chip, just can realize the high sensitivity of compensation and high-precision action, solve the problem that in prior art, the sensitivity of conventional online reactive power compensation instrument can not meet special user's high sensitivity demand.
Description
[technical field]
This utility model relates to the technical field of reactive power compensation, particularly to a kind of online reactive power of high sensitivity
Compensate instrument.
[background technology]
Electric energy can be converted into various energy, such as: be converted into heat energy by electric furnace, is converted into mechanical energy by motor, logical
Crossing electric light and be converted into luminous energy etc., the electric energy consumed in these are changed is active energy, and energy made by some electrical installation
First must set up the environment of a kind of conversion, such as: motor, transformator etc. during conversion, will first set up a magnetic field could turn as energy
Change, and some electrical installation is intended to first set up an electric field could make energy conversion.And set up the electric energy needed for magnetic field and electric field
Being all reactive energy, reactive energy is the most catabiotic in electrical installation itself, but can produce idle in electric appliance circuits
Electric current, this electric current will produce certain loss in the line.Reactive power compensation device is in one in power supply system
Indispensable very important position, reasonably installs reactive power compensation device in electronic power system, rises and improves electricity
The effect of net power factor, can accomplish to reduce to greatest extent the loss of network, reduction supply transformer and conveying circuit
Loss, makes power grid quality improve, and improves power supplying efficiency, improves power supply environment.
At present, the sensitivity of conventional online reactive power compensation instrument is all at about 100mA, and carrys out some special users
Saying, the sensitivity of this 100mA can not meet the most far away demand.For these particular/special requirements, use high accuracy electric energy metering core
Sheet is to realize highly sensitive requirement, therefore proposes a kind of high sensitivity online reactive power compensation instrument, it is achieved high accuracy and many merits
The online reactive-load compensation of energy.
[utility model content]
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of online idle merit of high sensitivity
Rate compensates instrument, and it aims to solve the problem that in prior art, the sensitivity of conventional online reactive power compensation instrument can not meet special user's height
The technical problem of sensitivity requirement.
For achieving the above object, the utility model proposes a kind of high sensitivity online reactive power compensation instrument, including mending
Repay instrument body and be arranged on micro-control unit MCU, the electric energy computation chip compensated in instrument body, described micro-control unit MCU
With electric energy computation chip mutually control connect, described compensation instrument body is provided with work condition indicator, electric parameter show
Showing device and input and cut out control device.
As preferably, described electric energy computation chip is high accuracy electric energy computation chip.
As preferably, described electric energy computation chip includes electric energy metrical function and voltage, electric current, phase place, the reality of power
Time electric parameter acquisition function.
As preferably, described work condition indicator, electric parameter display device and input and to cut out control device equal
Control to connect by micro-control unit MCU.
The beneficial effects of the utility model: compared with prior art, a kind of high sensitivity that this utility model provides is online
Reactive power compensation instrument, uses and has electric energy metrical function and voltage, electric current, phase place, the real-time electric parameter acquisition function of power
High accuracy electric energy computation chip mutually control to be connected with micro-control unit MCU, electric energy computation chip is by Real-time Collection in high precision
Voltage, electric current, power and phase place electric parameter signal be sent to micro-control unit MCU, by micro-control unit MCU control electric parameter
Display, duty instruction, put into or cut out control, it is not necessary to extra A/D circuit (analog to digital conversion circuit), simplify
The circuit design of whole module, utilizes the measurement of electric energy computation chip, it is possible to realize the high sensitivity and high-precision compensated
Action.
Feature of the present utility model and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of high sensitivity of this utility model embodiment online reactive power compensation instrument；
Fig. 2 is the theory diagram of a kind of high sensitivity of this utility model embodiment online reactive power compensation instrument.
In figure: 1-compensation instrument body, 11-work condition indicator, 12-electric parameter display device, 13-cut out control dress
Put, 2-micro-control unit MCU, 3-electric energy computation chip.
[detailed description of the invention]
For making the purpose of this utility model, technical scheme and advantage of greater clarity, below by accompanying drawing and implement
Example, is further elaborated to this utility model.However, it should be understood that specific embodiment described herein only in order to
Explain this utility model, be not limited to scope of the present utility model.Additionally, in the following description, eliminate known knot
Structure and the description of technology, to avoid unnecessarily obscuring concept of the present utility model.
Refering to Fig. 1 and Fig. 2, this utility model embodiment provides a kind of high sensitivity online reactive power compensation instrument, including
Compensate instrument body 1 and be arranged on micro-control unit MCU2, the electric energy computation chip 3 compensated in instrument body 1, described microcontroller list
Unit MCU2 and electric energy computation chip 3 mutually control to connect, and described compensation instrument body 1 is provided with work condition indicator
11, electric parameter display device 12 and put into and cut out control device 13.
Wherein, described electric energy computation chip 3 is high accuracy electric energy computation chip.
Further, described electric energy computation chip 3 includes electric energy metrical function and voltage, electric current, phase place, the reality of power
Time electric parameter acquisition function.
Further, described work condition indicator 11, electric parameter display device 12 and put into and cut out control
Device 13 all controls to connect by micro-control unit MCU2.
Utility model works process:
This utility model one high sensitivity online reactive power compensation instrument in the course of the work, electric energy metering core in high precision
The voltage of Real-time Collection, electric current, power and phase place electric parameter signal in circuit are sent to micro-control unit MCU2, by micro-by sheet 3
Control unit MCU2 controls work condition indicator 11, electric parameter display device 12 and puts into and cut out control device 13, when
When needing to compensate, micro-control unit MCU2 controls to put into and cut out control device 13 and comes into operation and carry out reactive power compensation, and
State instruction and the display of electric parameter it is operated respectively, when not by work condition indicator 11, electric parameter display device 12
When needing to compensate, micro-control unit MCU2 controls to put into and cut out control device 13 and cuts out.Need not extra A/D circuit (mould
Number conversion circuit), simplify the circuit design of whole module, utilize high accuracy electric energy computation chip to realize the high sensitivity compensated
With high-precision action.
This utility model one high sensitivity online reactive power compensation instrument, solves routine in prior art the most idle
The sensitivity of power back-off instrument can not meet the technical problem of special user's high sensitivity demand, it is achieved high accuracy is with multi-functional
Online reactive-load compensation.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent or the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (4)
1. a high sensitivity online reactive power compensation instrument, including compensating instrument body (1) and being arranged in compensation instrument body (1)
Micro-control unit MCU (2), electric energy computation chip (3), it is characterised in that: described micro-control unit MCU (2) and electric energy meter
Amount chip (3) mutually controls to connect, and described compensation instrument body (1) is provided with work condition indicator (11), electric parameter
Display device (12) and put into and cut out control device (13).
2. a kind of high sensitivity online reactive power compensation instrument as claimed in claim 1, it is characterised in that: described electric energy meter
Amount chip (3) is high accuracy electric energy computation chip.
3. a kind of high sensitivity online reactive power compensation instrument as claimed in claim 2, it is characterised in that: described electric energy meter
Amount chip (3) includes electric energy metrical function and voltage, electric current, phase place, the real-time electric parameter acquisition function of power.
4. a kind of high sensitivity online reactive power compensation instrument as claimed in claim 1, it is characterised in that: described work shape
State indicates device (11), electric parameter display device (12) and puts into and cut out control device (13) all by micro-control unit MCU
(2) control to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541246.4U CN205791553U (en) | 2016-06-06 | 2016-06-06 | A kind of high sensitivity online reactive power compensation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541246.4U CN205791553U (en) | 2016-06-06 | 2016-06-06 | A kind of high sensitivity online reactive power compensation instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205791553U true CN205791553U (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620541246.4U Expired - Fee Related CN205791553U (en) | 2016-06-06 | 2016-06-06 | A kind of high sensitivity online reactive power compensation instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN205791553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061290A (en) * | 2018-10-12 | 2018-12-21 | 山东计保电气有限公司 | High-voltage electric-energy meter high-accuracy compensation system and compensation method |
-
2016
- 2016-06-06 CN CN201620541246.4U patent/CN205791553U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061290A (en) * | 2018-10-12 | 2018-12-21 | 山东计保电气有限公司 | High-voltage electric-energy meter high-accuracy compensation system and compensation method |
| CN109061290B (en) * | 2018-10-12 | 2024-02-20 | 山东计保电气有限公司 | High-precision compensation system and compensation method for high-voltage electric energy metering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |