CN104569528B - A kind of electric energy tariffing method of the harmonic electric energy loss of meter and load - Google Patents
A kind of electric energy tariffing method of the harmonic electric energy loss of meter and load Download PDFInfo
- Publication number
- CN104569528B CN104569528B CN201410828003.4A CN201410828003A CN104569528B CN 104569528 B CN104569528 B CN 104569528B CN 201410828003 A CN201410828003 A CN 201410828003A CN 104569528 B CN104569528 B CN 104569528B
- Authority
- CN
- China
- Prior art keywords
- phase
- harmonic
- load
- electric energy
- rectifier load
- 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
Landscapes
- Rectifiers (AREA)
Abstract
The present invention relates to a kind of electric energy tariffing method of the harmonic electric energy loss of meter and load, comprises the steps, the harmonic electric energy loss of single-phase rectifier load, S1 are determined：Set up load frequency domain harmonic analytical model；S2：According to load frequency domain harmonic analytical model, with reference to single-phase rectifier load side voltage harmonic condition, load AC individual harmonic current is determined；S3：Based on single-phase rectifier load AC individual harmonic current, load each harmonic active power analytic expression and reactive power analytic expression are obtained；S4：Obtain the harmonic electric energy loss of single-phase rectifier load；Step 2：The power usage of the reality of single-phase rectifier load is the harmonic electric energy loss that the power usage of the single-phase rectifier load for measuring deducts single-phase rectifier load, and the actual electricity charge of single-phase rectifier load are then obtained further according to current electric energy market price.The method considers the harmonic electric energy loss of load, so as to hinge structure can carry out charging to electric energy used by load exactly.
Description
Technical field
The present invention relates to electric energy tariffing technical field, more particularly to a kind of electric energy meter of the harmonic electric energy loss of meter and load
Charging method.
Background technology
Existing power system electric energy metrical carries out direct charging typically by ammeter, and sending out with Power Electronic Technique
Exhibition, is obtained using the electrical equipment of Switching Power Supply and frequency-transposition arrangement and is extensively applied, the number of harmonic-producing load in distribution system
Amount and species are also more and more, such as desk computer, compact fluorescent lamp, liquid crystal TV set, washing machine, electric refrigerator etc., make existing
Great change be there occurs for power load structure in power system.These nonlinear-loads are by the control realization industry to power
Energy-conservation, but while system voltage, current waveform distortion can be made, harmonic pollution is caused, and produced attached to a large amount of harmonic waves of electrical network injection
Plus harmonic electric energy loss, the electric energy metrical and energy-conservation of existing power rectification system are adversely affected.
For the determination in the harmonic power of Nonlinear Integer stream load and its direction in power system, study based on single-phase
Or rectified three-phase circuit, to be pointed out by actual test and com-parison and analysis, non-linear element is by fundamental active power and reactive power
In a part be converted into harmonic power, transmit to mains side and load side respectively, but in research, do not provide non-linear negative
The analytic expression of lotus harmonic power.On this basis, also scholar has derived the instantaneous power of nonlinear-load, gives instantaneous work(
3,6,9 are comprised only in rate AC compounent .... subharmonic, and active power is the conclusion of instantaneous power DC component, but push away
The process of leading does not consider the coupling between each harmonic, it is impossible to determine the harmonic power of nonlinear-load authentic and validly.In view of whole
The harmonic injection electrical network that stream load is produced will cause system harmonicses power to change, therefore the how harmonic electric energy of calculated load
Loss, so as to more accurately become current problem demanding prompt solution to carrying out electric energy metrical.
The content of the invention
For above-mentioned weak point present in prior art, it is an object of the invention to：A kind of meter is provided and considers negative
The harmonic electric energy loss of lotus, charging more accurately electric energy tariffing method.
For achieving the above object, the present invention provides following technical scheme：The harmonic electric energy loss of a kind of meter and load
Electric energy tariffing method, specifically includes following steps：
Step 1：Determine the harmonic electric energy loss of single-phase rectifier load, it is specific as follows：
S1：According to the operation characteristic harmonic mechanism of production of single-phase rectifier load, it is considered to which alternating voltage and each time of electric current are humorous
Coupled relation between wave component, sets up load frequency domain harmonic analytical model；
S2：According to the load frequency domain harmonic analytical model that step S1 builds, with reference to single-phase rectifier load side voltage harmonic bar
Part, determines load AC individual harmonic current；
S3：According to the load AC individual harmonic current that step S2 is obtained, each time of load is obtained based on Power Theory humorous
Ripple active power analytic expression and reactive power analytic expression；
S4：According to the harmonic power characteristic of single-phase rectifier load, the Load harmonic power attenuation of meter and Harmonic coupling is built
Model, obtains the harmonic electric energy loss of single-phase rectifier load according to the model；
Step 2：The power usage of the reality of single-phase rectifier load is that the power usage of the single-phase rectifier load for measuring is deducted
The harmonic electric energy loss of single-phase rectifier load, then obtains the actual electricity of single-phase rectifier load further according to current electric energy market price
Take.
As optimization, load frequency domain harmonic analytical model is set up in step S1 to set up single-phase control or single-phase phased
Rectification load frequency domain harmonic analytical model, process are as follows：
S21：Single-phase uncontrollable rectifier load is carried out with the single-phase bridge rectifier do not controlled equivalent；
The single-phase phase control rectifier load controllable bridge rectifier of single-phase IGCT carries out equivalent；
S22：By single-phase uncontrollable rectifier load of the single-phase bridge rectifier do not controlled described in step S21 after equivalent
Pulse type waveform of the alternating current in interruption, introduce [α, δ] and represent that alternating current conducting is interval in half cycles, wherein α, δ point
The angle of flow and angle of cut-off of diode in the bridge rectifier that single-phase Wei do not controlled；
S23：According to the operation principle of single-phase uncontrollable rectifier load, the voltage x current equilibrium equation set up in [α, δ], Fu Jing
Vertical leaf transformation is simultaneously organized into matrix form, builds single-phase uncontrollable rectifier load frequency domain harmonic analytical model, such as formula (1)；
I in formulakFor AC harmonic current vector, VhWithRespectively input harmonics voltage and its conjugate vector, Y+And Y-
It is the Harmonic coupling admittance matrix of single-phase uncontrollable rectifier load input, Y+Matrix element beY-Matrix element be
Wherein, R, C are respectively DC side load resistance and electric capacity, and ω represents fundamental wave angular frequency, h, k=1,3,5 ... difference
For harmonic voltage number of times harmonic current times；
It is according to the controllable bridge rectifier of the single-phase IGCT, equivalent by carrying out to DC load, and combine open
Function and modulation theory are closed, single-phase phase control rectifier load frequency domain harmonic analytical model is set up, such as formula (2)；
I' in formulakFor AC harmonic current vector, VhWithRespectively input harmonics voltage and its conjugate vector, Y+'With
Y-'It is the Harmonic coupling admittance matrix of single-phase phase control rectifier load input, Y+'Matrix element be For matrix Y+''s
First column element, Y-'Matrix element be
In above formulaFor fundamental voltage phase place, α ' is IGBT group angle, and R, L are DC side load resistance and inductance,It is expressed as DC side equivalent resistance, βn=arctan (n ω L/R) is DC side equivalent phase.
As optimization, in the step S2 single-phase rectifier load AC individual harmonic current be solved to it is single-phase do not control or
The solution of single-phase phase control rectifier load AC individual harmonic current, process are as follows：
S31：If the AC terminal voltage of single-phase rectifier load is,
Wherein, VhWithRespectively h subharmonic voltages virtual value and phase place, H are the ceiling voltage overtone order of setting；
S32：The individual harmonic current I of single-phase uncontrollable rectifier load is obtained by formula (1), (1a), (1b) and (3)k, such as formula
(1c)：
The individual harmonic current I of single-phase phase control rectifier load is obtained by formula (2), (2a), (2b) and (3)k, such as formula
(2c)：
Wherein, V1For fundamental voltage virtual value.
Used as optimization, in step S3, load each harmonic active power analytic expression is not controlled or single-phase phased whole for single-phase
Stream load each harmonic has power analytic expression, and the load each harmonic reactive power analytic expression includes single-phase control and single-phase phase
Control rectification load each harmonic reactive power analytic expression, it is as follows：
Single-phase uncontrollable rectifier load each harmonic active power analytic expression and reactive power analytic expression respectively such as formula (1d) and
(1e)：
Wherein, VkWithRespectively k subharmonic voltages virtual value and phase place, PkRepresent that each time of single-phase uncontrollable rectifier load is humorous
Ripple active power, QkRepresent single-phase uncontrollable rectifier load each harmonic reactive power；
Single-phase phase control rectifier load each harmonic is active and reactive power analytic expression is respectively such as formula (2d) and (2e)：
Wherein, VkWithRespectively k subharmonic voltages virtual value and phase place, Pk' represent that each time of single-phase phase control rectifier load is humorous
Ripple active power, Qk' represent single-phase phase control rectifier load each harmonic reactive power.
As optimization, step S4 fall into a trap and Harmonic coupling Load harmonic power attenuation model calculate it is single-phase do not control or
Single-phase phase control rectifier Load harmonic electric energy loss, it is as follows：
Formula (1f) represents single-phase uncontrollable rectifier Load harmonic power attenuation model：
Wherein, P is single-phase uncontrollable rectifier Load harmonic active power loss, and Q is that single-phase uncontrollable rectifier Load harmonic is idle
Power attenuation；
Formula (2f) represents single-phase phase control rectifier Load harmonic power attenuation model：
Wherein, P ' is single-phase phase control rectifier Load harmonic active power loss, Q ' for single-phase phase control rectifier Load harmonic without
Work(power attenuation.
In chargeable time t, the harmonic electric energy loss W of single-phase uncontrollable rectifier load is：
The harmonic electric energy of single-phase phase control rectifier load is lost W '
Compared with prior art, the present invention has advantages below：
1st, the method that the present invention is provided, it can be considered that the harmonic electric energy loss of single-phase rectifier load, so as to relatively existing
Technology can carry out charging to electric energy used by single-phase rectifier load exactly.
2nd, the operation characteristic harmonic mechanism of production according to single-phase rectifier load, builds its frequency domain harmonic analytical model, real
The accurate calculating of load alternating current is showed.
3rd, according to described load model, binding end voltage harmonic condition has obtained the harmonic power of single-phase rectifier load
Coupled relation between loss model, the model meter and harmonic voltage electric current, can accurately and effectively reflect that each time of load is humorous
Wave power and its flow direction.
4th, the single-phase rectifier load power model is for analysis Nonlinear Integer stream load harmonic power feature and its to electrical network electricity
Can the impact of quality and efficiency provide theoretical basiss, be conducive to the further solution of non-linear customer electric energy metrical work and complete
It is kind.
Description of the drawings
The theory diagram of the electric energy tariffing method that Fig. 1 is provided for the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the present invention is clearly and completely retouched
State, it is clear that described embodiment is a part of embodiment of the present invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art,
Belong to the scope of the present invention.
Referring to Fig. 1：A kind of electric energy tariffing method of the harmonic electric energy loss of meter and load, specifically includes following steps：
Step 1：Determine the harmonic electric energy loss of single-phase rectifier load, it is specific as follows：
S1：According to the operation characteristic harmonic mechanism of production of single-phase rectifier load, it is considered to which alternating voltage and each time of electric current are humorous
Coupled relation between wave component, sets up load frequency domain harmonic analytical model.
Load frequency domain harmonic analytical model is set up to set up single-phase control or the parsing of single-phase phase control rectifier load frequency domain harmonic
Model, process are as follows：
S21：Single-phase uncontrollable rectifier load is carried out with the single-phase bridge rectifier do not controlled it is equivalent, corresponding DC side bear
Carry and be respectively capacitance resistance load (RC is in parallel)；
The single-phase phase control rectifier load controllable bridge rectifier of single-phase IGCT carry out it is equivalent, corresponding DC side bear
Carry and be respectively resistance sense load (RL series connection)；
Single-phase uncontrollable rectifier load carries out equivalent and single-phase phase control rectifier load using the single-phase bridge rectifier do not controlled
Using the controllable bridge rectifier of single-phase IGCT carry out it is equivalent be prior art, be not belonging to the present invention inventive point.
S22：By single-phase uncontrollable rectifier load of the single-phase bridge rectifier do not controlled described in step S21 after equivalent
Pulse type waveform of the alternating current in interruption, introduce [α, δ] and represent that alternating current conducting is interval in half cycles, wherein α, δ point
The angle of flow and angle of cut-off of diode in the bridge rectifier that single-phase Wei do not controlled；
Under discontinuous conduction mode, there is electric capacity and charge, discharge 2 kinds in its equivalent circuit to single-phase uncontrollable rectifier load operation
(note α, δ are respectively the conducting of diode, cut-off for working condition, only the electric capacity charging stage diode current flow in each cycle
Angle), AC flows through electric current, it is contemplated that the very little part that capacitor charging time was only accounted in the exchange half period, therefore alternating current
Pulse type waveform in interruption, containing abundant harmonic wave.However, the equivalent circuit of single-phase phase control rectifier load by trigger pulse and
The impact of DC inductance, causes alternating current varied non-sinusoidal, produces harmonic current components.
S23：According to the operation principle of single-phase uncontrollable rectifier load, the voltage x current equilibrium equation set up in [α, δ], Fu Jing
Vertical leaf transformation is simultaneously organized into matrix form, builds single-phase uncontrollable rectifier load frequency domain harmonic analytical model, such as formula (1)；
I in formulakFor AC harmonic current vector, VhWithRespectively input harmonics voltage and its conjugate vector, Y+And Y-
It is the Harmonic coupling admittance matrix of single-phase uncontrollable rectifier load input, Y+Matrix element beY-Matrix element be
Wherein, R, C are respectively DC side load resistance and electric capacity, and ω represents fundamental wave angular frequency, h, k=1,3,5 ... difference
For harmonic voltage number of times harmonic current times；
It is according to the controllable bridge rectifier of the single-phase IGCT, equivalent by carrying out to DC load, and combine open
Function and modulation theory are closed, single-phase phase control rectifier load frequency domain harmonic analytical model is set up, such as formula (2)；
I' in formulakFor AC harmonic current vector, VhWithRespectively input harmonics voltage and its conjugate vector, Y+'With
Y-'It is the Harmonic coupling admittance matrix of single-phase phase control rectifier load input, Y+'Matrix element be For matrix Y+''s
First column element, Y-'Matrix element be
In above formulaFor fundamental voltage phase place, α ' is IGBT group angle, and R, L are DC side load resistance and inductance,It is expressed as DC side equivalent resistance, βn=arctan (n ω L/R) is DC side equivalent phase, and j is empty
Number.
S2：According to the load frequency domain harmonic analytical model that step S1 builds, with reference to load side voltage harmonic condition, it is determined that negative
Lotus AC individual harmonic current.
Single-phase rectifier load AC individual harmonic current be solved to it is single-phase do not control or single-phase phase control rectifier load exchange
The solution of side individual harmonic current, process are as follows：
S31：Some odd harmonic components are included in view of actual electric network voltage, if the exchange side electricity of single-phase rectifier load
Press and be,
Wherein, VhWithRespectively h subharmonic voltages virtual value and phase place, H are the ceiling voltage overtone order of setting；
S32：The individual harmonic current I of single-phase uncontrollable rectifier load is obtained by formula (1), (1a), (1b) and (3)k, such as formula
(1c)：
The individual harmonic current I of single-phase phase control rectifier load is obtained by formula (2), (2a), (2b) and (3)k, such as formula
(2c)：
Wherein, V1For fundamental voltage virtual value.
S3：According to the load AC individual harmonic current that step S2 is obtained, each time of load is obtained based on Power Theory humorous
Ripple active power analytic expression and reactive power analytic expression.
Load each harmonic active power analytic expression is not controlled or single-phase phase control rectifier load each harmonic has power for single-phase
Analytic expression, the load each harmonic reactive power analytic expression include it is single-phase do not control with single-phase phase control rectifier load each harmonic without
Work(power analytic expression, it is as follows：
Based on the terminal voltage harmonic condition of single-phase phased whole load, the definition of convolution (1c) and complex power,
Wherein, SkFor the complex power of single-phase rectifier load.
So as to single-phase uncontrollable rectifier load each harmonic has power analytic expression and reactive power analytic expression respectively such as formula (1d)
(1e)：
Wherein, VkWithRespectively k subharmonic voltages virtual value and phase place, PkRepresent that each time of single-phase uncontrollable rectifier load is humorous
Ripple active power, QkRepresent single-phase uncontrollable rectifier load each harmonic reactive power；
Single-phase phase control rectifier load each harmonic active power analytic expression and reactive power analytic expression respectively such as formula (2d) and
(2e),
Wherein, VkWithRespectively k subharmonic voltages virtual value and phase place, Pk' represent each time of single-phase phase control rectifier load
Harmonic wave active power, Qk' represent single-phase phase control rectifier load each harmonic reactive power.
S4：According to the harmonic power characteristic of load, the Load harmonic power attenuation model of meter and Harmonic coupling is built, according to
The load power loss model obtains the harmonic electric energy loss of single-phase rectifier load.
The Load harmonic power attenuation model of meter and Harmonic coupling calculates single-phase control or single-phase phase control rectifier Load harmonic
Electric energy loss, it is as follows：
Formula (1f) represents single-phase uncontrollable rectifier Load harmonic power attenuation model：
Wherein, P is single-phase uncontrollable rectifier Load harmonic active power loss, and Q is that single-phase uncontrollable rectifier Load harmonic is idle
Power attenuation；
Formula (2f) represents single-phase phase control rectifier Load harmonic power attenuation model：
Wherein, P ' is single-phase phase control rectifier Load harmonic active power loss, Q ' for single-phase phase control rectifier Load harmonic without
Work(power attenuation.
In chargeable time t, the harmonic electric energy loss W of single-phase uncontrollable rectifier load is：
The harmonic electric energy of single-phase phase control rectifier load is lost W '：
Step 2：The power usage of the reality of load is the harmonic electric energy damage that the power usage of the load for measuring deducts load
Consumption, then obtains the actual electricity charge of load further according to current electric energy market price.
The single-phase load power loss model specific implementation step do not controlled with phase control rectifier load, including：
1) the operation characteristic harmonic mechanism of production according to single-phase rectifier load, is joined using the equivalent load under specified criteria
Number and terminal voltage harmonic condition, set up the single-phase Harmonic coupling admittance matrix model do not controlled with phase control rectifier load；
2) according to described frequency domain harmonic model, with reference to single-phase rectifier load side voltage harmonic, by matrix multiplication operation
Realize the analytical Calculation of alternating current each harmonic；
3) definition according to complex power, the individual harmonic current harmony wave voltage based on the single-phase rectifier load, derives
Single-phase rectifier load each harmonic is active and reactive power analytic expression；
4) the single-phase rectifier load each harmonic active and reactive power is sued for peace respectively, you can obtain it is single-phase do not control and
The power attenuation model of phase control rectifier load.
The load power loss model meter and coupling between rectification load AC harmonic voltage and electric current, energy
Load harmonic power and its flow direction under the conditions of enough accurately and efficiently calculating arbitrarily, with the good suitability, load power is damaged
Being established as of consumption model is analyzed Nonlinear Integer stream load harmonic power feature and its impact to the electrical network quality of power supply with efficiency and is carried
Theoretical basiss are supplied.
Finally illustrate, above example only to illustrate technical scheme and unrestricted, this area it is general
It is logical it will be appreciated by the skilled person that can modify to technical scheme or equivalent, without deviating from the present invention
The objective and scope of technical scheme, which all should be covered in the middle of scope of the presently claimed invention.
Claims (5)
1. the electric energy tariffing method that the harmonic electric energy of a kind of meter and load is lost, it is characterised in that specifically include following steps：
Step 1：Determine the harmonic electric energy loss of single-phase rectifier load, it is specific as follows：
S1：According to the operation characteristic harmonic mechanism of production of single-phase rectifier load, it is considered to alternating voltage and electric current each harmonic point
Coupled relation between amount, sets up load frequency domain harmonic analytical model；
S2：According to the load frequency domain harmonic analytical model that step S1 builds, with reference to single-phase rectifier load side voltage harmonic condition, really
Constant burden AC side individual harmonic current；
S3：According to the load AC individual harmonic current that step S2 is obtained, obtaining load each harmonic based on Power Theory has
Work(power analytic expression and reactive power analytic expression；
S4：According to the harmonic power characteristic of single-phase rectifier load, the Load harmonic power attenuation model of meter and Harmonic coupling is built,
The harmonic electric energy loss of single-phase rectifier load is obtained according to the model；
Step 2：It is single-phase that the power usage of the reality of single-phase rectifier load is that the power usage of the single-phase rectifier load for measuring is deducted
The harmonic electric energy loss of rectification load, then obtains the actual electricity charge of single-phase rectifier load further according to current electric energy market price.
2. the electric energy tariffing method that the harmonic electric energy of meter as claimed in claim 1 and load is lost, it is characterised in that the step
Load frequency domain harmonic analytical model is set up in rapid S1 to set up single-phase control or single-phase phase control rectifier load frequency domain harmonic parsing mould
Type, process are as follows：
S21：Single-phase uncontrollable rectifier load is carried out with the single-phase bridge rectifier do not controlled equivalent；
The single-phase phase control rectifier load controllable bridge rectifier of single-phase IGCT carries out equivalent；
S22：By the friendship of single-phase uncontrollable rectifier load of the single-phase bridge rectifier do not controlled described in step S21 after equivalent
Pulse type waveform of the stream electric current in interruption, introduces [α, δ] and represents that alternating current conducting is interval in half cycles, and wherein α, δ are respectively
The angle of flow and angle of cut-off of diode in the single-phase bridge rectifier do not controlled；
S23：According to the operation principle of single-phase uncontrollable rectifier load, the voltage x current equilibrium equation set up in [α, δ], Jing Fouriers
Matrix form is converted and be organized into, single-phase uncontrollable rectifier load frequency domain harmonic analytical model is built, such as formula (1)；
I in formulakFor AC harmonic current vector, VhWithRespectively input harmonics voltage and its conjugate vector, Y+And Y-It is
The Harmonic coupling admittance matrix of single-phase uncontrollable rectifier load input, Y+Matrix element beY-Matrix element be
Wherein, R, C are respectively DC side load resistance and electric capacity, and ω represents fundamental wave angular frequency, h, k=1, and 3,5 ... is respectively humorous
Wave voltage number of times harmonic current times；
It is according to the controllable bridge rectifier of the single-phase IGCT, equivalent by carrying out to DC load, and combine switch letter
Number and modulation theory, set up single-phase phase control rectifier load frequency domain harmonic analytical model, such as formula (2)；
I' in formulakFor AC harmonic current vector, VhWithRespectively input harmonics voltage and its conjugate vector, Y+'And Y-'
For the Harmonic coupling admittance matrix of single-phase phase control rectifier load input, Y+'Matrix element beFor matrix Y+'
One column element, Y-'Matrix element be
In above formulaFor fundamental voltage phase place, α ' is IGBT group angle, and R, L are DC side load resistance and inductance,It is expressed as DC side equivalent resistance, βn=arctan (n ω L/R) is DC side equivalent phase.
3. the electric energy tariffing method that the harmonic electric energy of meter as claimed in claim 2 and load is lost, it is characterised in that the step
In rapid S2, single-phase rectifier load AC individual harmonic current is solved to single-phase control or single-phase phase control rectifier load AC
The solution of individual harmonic current, process are as follows：
S31：If the AC terminal voltage of single-phase rectifier load is,
Wherein, VhWithRespectively h subharmonic voltages virtual value and phase place, H are the ceiling voltage overtone order of setting；
S32：The individual harmonic current I of single-phase uncontrollable rectifier load is obtained by formula (1), (1a), (1b) and (3)k, such as formula (1c)：
The individual harmonic current I of single-phase phase control rectifier load is obtained by formula (2), (2a), (2b) and (3)k, such as formula (2c)：
Wherein, V1For fundamental voltage virtual value.
4. the electric energy tariffing method that the harmonic electric energy of meter as claimed in claim 3 and load is lost, it is characterised in that the step
In rapid S3, load each harmonic active power analytic expression is not controlled or single-phase phase control rectifier load each harmonic has power solution for single-phase
Analysis formula, the load each harmonic reactive power analytic expression include it is single-phase do not control it is idle with single-phase phase control rectifier load each harmonic
Power analytic expression, it is as follows：
Single-phase uncontrollable rectifier load each harmonic active power analytic expression and reactive power analytic expression are respectively such as formula (1d) and (1e)：
Wherein, VkWithRespectively k subharmonic voltages virtual value and phase place, PkRepresent that single-phase uncontrollable rectifier load each harmonic has
Work(power, QkRepresent single-phase uncontrollable rectifier load each harmonic reactive power；
Single-phase phase control rectifier load each harmonic is active and reactive power analytic expression is respectively such as formula (2d) and (2e)：
Wherein, VkWithRespectively k subharmonic voltages virtual value and phase place, Pk' represent that single-phase phase control rectifier load each harmonic has
Work(power, Qk' represent single-phase phase control rectifier load each harmonic reactive power.
5. the electric energy tariffing method that the harmonic electric energy of meter as claimed in claim 4 and load is lost, it is characterised in that the step
Rapid S4 falls into a trap and the Load harmonic power attenuation model of Harmonic coupling calculates single-phase control or single-phase phase control rectifier Load harmonic electricity
Can be lost, it is as follows：
Formula (1f) represents single-phase uncontrollable rectifier Load harmonic power attenuation model：
Wherein, P is single-phase uncontrollable rectifier Load harmonic active power loss, and Q is single-phase uncontrollable rectifier Load harmonic reactive power
Loss；
Formula (2f) represents single-phase phase control rectifier Load harmonic power attenuation model：
Wherein, P ' is single-phase phase control rectifier Load harmonic active power loss, and Q ' is the idle work(of single-phase phase control rectifier Load harmonic
Rate is lost；
In chargeable time t, the harmonic electric energy loss W of single-phase uncontrollable rectifier load is：
The harmonic electric energy of single-phase phase control rectifier load is lost W '
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828003.4A CN104569528B (en) | 2014-12-25 | 2014-12-25 | A kind of electric energy tariffing method of the harmonic electric energy loss of meter and load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828003.4A CN104569528B (en) | 2014-12-25 | 2014-12-25 | A kind of electric energy tariffing method of the harmonic electric energy loss of meter and load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104569528A CN104569528A (en) | 2015-04-29 |
| CN104569528B true CN104569528B (en) | 2017-03-29 |
Family
ID=53086070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410828003.4A Active CN104569528B (en) | 2014-12-25 | 2014-12-25 | A kind of electric energy tariffing method of the harmonic electric energy loss of meter and load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104569528B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880592A (en) * | 2015-06-24 | 2015-09-02 | 国网浙江省电力公司电力科学研究院 | Electric energy calculating method and system under harmonic wave condition |
| CN105608285A (en) * | 2016-01-11 | 2016-05-25 | 浙江中新电力发展集团有限公司 | Circuit-analysis-based static load modeling method for three-phase rectifier equipment |
| CN106503290B (en) * | 2016-09-18 | 2021-12-17 | 中国电力科学研究院 | PLS-SVM-based general single-phase harmonic load modeling method |
| CN109446643B (en) * | 2018-10-26 | 2020-10-30 | 山东大学 | Method for establishing household appliance load harmonic model based on measured data |
| CN110083987B (en) * | 2019-05-21 | 2023-04-28 | 国网湖南省电力有限公司 | Method, system and medium for analyzing Guan Jingtai counter force of built-in load opening of intelligent electric energy meter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1142264A (en) * | 1994-01-12 | 1997-02-05 | 电力能源研究中心 | Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| CN200996971Y (en) * | 2006-12-26 | 2007-12-26 | 广州智光电气股份有限公司 | Composite electric-energy managing system of load control and multiplexing time-sharing charging |
| CN103532205A (en) * | 2013-10-31 | 2014-01-22 | 重庆大学 | Modeling method for harmonic model of three-phase charger of electric vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4106293B2 (en) * | 2003-03-10 | 2008-06-25 | 三菱電機株式会社 | Method and apparatus for calculating voltage and power of AC feeder circuit |
| US7013227B2 (en) * | 2003-09-15 | 2006-03-14 | Georgia Tech Research Corporation | System and method for determining harmonic contributions from non-linear loads |
-
2014
- 2014-12-25 CN CN201410828003.4A patent/CN104569528B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1142264A (en) * | 1994-01-12 | 1997-02-05 | 电力能源研究中心 | Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| CN200996971Y (en) * | 2006-12-26 | 2007-12-26 | 广州智光电气股份有限公司 | Composite electric-energy managing system of load control and multiplexing time-sharing charging |
| CN103532205A (en) * | 2013-10-31 | 2014-01-22 | 重庆大学 | Modeling method for harmonic model of three-phase charger of electric vehicle |
Non-Patent Citations (3)
| Title |
|---|
| 典型单相非线性负荷的精确谐波模型及其谐波衰减特性;雍静 等;《中国电机工程学报》;20140705;第34卷(第19期);第3210-3219页 * |
| 台式计算机负荷的频域谐波模型及衰减特性;雍静 等;《中国电机工程学报》;20100905;第30卷(第25期);第122-129页 * |
| 电力谐波对电能计量影响的分析与探讨;黄玉春;《电力系统保护与控制》;20090516;第37卷(第10期);第123-124,135页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104569528A (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104569528B (en) | A kind of electric energy tariffing method of the harmonic electric energy loss of meter and load | |
| CN102142684B (en) | High-voltage direct-hanging type scalable vector graphics (SVG) comprehensive control device and comprehensive control method | |
| Sinha et al. | Virtual oscillator control subsumes droop control | |
| CN107230983A (en) | A kind of electric power spring application system and its control method based on Power Control | |
| CN103078522A (en) | Control device and control method for AC-DC (Alternating Current-Direct Current) series resonant matrix converter for capacitor charging | |
| Ahmad et al. | Impact of wide-spread use of uninterruptible power supplies on Pakistan's power system | |
| CN102928716A (en) | Intelligent power quality monitoring system | |
| CN104375026B (en) | A kind of method of feature based amount analysis identification harmonic wave Source Type | |
| CN103701152A (en) | Method and system for obtaining flicker transmission coefficient of grid connection of photovoltaic power stations | |
| CN102445595B (en) | Real-time measuring method for time-varying power of electrical power system | |
| CN106295160A (en) | AC-DC interconnecting power network Thevenin's equivalence parameter on-line calculation method | |
| CN105958492A (en) | Active electric power reactive compensation filter | |
| CN206865359U (en) | A kind of energy-saving multifunction simulation electrical load device | |
| Jarad et al. | Automatic optimization and control of power factor, reactive power and reduction of THD for linear and nonlinear load by using arduino uno | |
| Ciornei et al. | Analytical derivation of PQ indicators compatible with control strategies for DC microgrids | |
| CN107546751B (en) | Voltage control circuit system, control method and device based on electric power spring | |
| CN107017637B (en) | A kind of simplified modeling evaluating method of three phase rectifier unit harmonic power | |
| CN110502804A (en) | A kind of electric car charging process time-variant harmonic electric current appraisal procedure and system | |
| CN102222912B (en) | Controllable harmonic generation device for test and control method thereof | |
| CN105608285A (en) | Circuit-analysis-based static load modeling method for three-phase rectifier equipment | |
| CN115833124A (en) | Converter station direct current near-zone resonance risk assessment method, device, equipment and medium | |
| CN104483570A (en) | Empirical method for harmonic control loss reduction effect of power distribution network | |
| Stevanović et al. | The efficient technique for harmonic sources detection at power grid | |
| CN107064624A (en) | Alternating-current charging pile electric energy gauging method | |
| CN105024541B (en) | The predictive-current control method of the single phase rectifier circuit of low harmony wave high power factor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |