CN104332990B - A kind of acquisition real-time standby gauged method of regional power grid - Google Patents
A kind of acquisition real-time standby gauged method of regional power grid Download PDFInfo
- Publication number
- CN104332990B CN104332990B CN201410588158.5A CN201410588158A CN104332990B CN 104332990 B CN104332990 B CN 104332990B CN 201410588158 A CN201410588158 A CN 201410588158A CN 104332990 B CN104332990 B CN 104332990B
- Authority
- CN
- China
- Prior art keywords
- standby
- vacancy
- persistent period
- value
- maximum
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a kind of acquisition real-time standby gauged method of regional power grid, comprise the following steps: obtain standby evaluation index according to standby maximum vacancy value and standby vacancy persistent period；Standby measurement index is obtained according to static frequency mediating effect+6 coefficient, the frequency influence factor, load modifying factor and primary frequency modulation corrected output；The first standby maximum vacancy value and the second standby maximum vacancy value is obtained respectively according to first frequency factor of influence and second frequency factor of influence；With described standby evaluation index, non-firm power maximum vacancy value, standby vacancy persistent period as variable, five regions are set in conjunction with the first standby maximum vacancy value, the second standby maximum vacancy value, regulation backed-up value, the first standby vacancy persistent period and the second standby vacancy persistent period, and set calibration coefficient respectively in these five regions, the corresponding scalar quantity of final acquisition.Present invention achieves and Utilities Electric Co. of provinces and cities is demarcated, promote the lifting of standby working level and efficiency.
Description
Technical field
The present invention relates to the standby management domain of electrical network, especially a kind of acquisition real-time standby scalar quantity of regional power grid
Method.
Background technology
For ensureing electric power netting safe running and reliable power supply, balancing power network load deviation, unit tripping, direct current close
The grid power vacancy that the following uncertainty event such as lock, power grid accident causes, must in power system real time execution
Certain spare capacity must be set.
Along with modern power network steps into extra-high voltage, conveying epoch remote, high-power, high-power power is by spy
High pressure AC and DC passage carries on a large scale, will control to bring bigger risk hidden danger to mains frequency.
Both at home and abroad regional electrical network is for running in the regulation of standby management all to standby requirement, reserve monitor, standby
With calling corresponding principle and the execution standard of proposing, but concrete effective method rare to standby examination.Mesh
The front standby wire examination method of operation extensively implemented includes primary frequency modulation examination, DCS examination etc..Such examination side
After method pays attention to electrical network occurrence frequency exception or accident, investigate electrical network and assemble the standby ability carrying out and supporting, adopt
Take is passive management mode, and meets standby pre-the most in real time for main body each under electrical network normal operation
Staying requirement, there is blank in existing standby wire examination method.
Scientific and rational real-time standby wire examination method, is key one ring of standby management, is to ensure that spare phase
Close regulation and obtain the guarantee of strict implement.The present invention is according to the current area standby administrative provisions of electrical network, land
Territory operation of power networks feature and management mode, propose a kind of real-time standby wire examination method of regional power grid.
Summary of the invention
It is an object of the invention to provide one and according to violation event order of severity zoning electrical network and carry out phase
The demarcation answered.
In order to achieve the above object, the invention provides a kind of acquisition real-time standby gauged side of regional power grid
Method, comprises the following steps:
Standby evaluation index is obtained, with described standby according to standby maximum vacancy value and standby vacancy persistent period
Maximum vacancy value, standby vacancy persistent period and standby evaluation index are that variable sets up standby evaluation model；
Repair according to static frequency mediating effect+6 coefficient, the frequency influence factor, load modifying factor and primary frequency modulation
Positive obtains standby measurement index；
Obtaining the frequency influence factor is the standby measurement index of first during first frequency factor of influence, described first
Standby measurement index is the first standby maximum vacancy value, it is thus achieved that the frequency influence factor is second frequency factor of influence
Time the second standby measurement index, described second standby measurement index is the second standby maximum vacancy value, sets
First standby vacancy persistent period and the second standby vacancy persistent period；
When described standby evaluation index maximum vacancy value standby less than first and the first standby vacancy persistent period
Product, non-firm power maximum vacancy value maximum vacancy value standby less than first and standby vacancy persistent period are little
When the first standby vacancy persistent period, set the first calibration coefficient, and according to this calibration coefficient and described standby
Corresponding first scalar quantity is obtained by evaluation index；
When described standby evaluation index maximum vacancy value standby less than first and the first standby vacancy persistent period
Product and non-firm power maximum vacancy value are more than or equal to the first standby maximum vacancy value and less than the second standby maximum
During vacancy value, or when described standby evaluation index maximum vacancy value standby less than first and the first standby vacancy
The product of persistent period and standby vacancy persistent period are more than or equal to the first standby vacancy persistent period and less than the
During two standby vacancy persistent period, set the second calibration coefficient, and according to this calibration coefficient with described standby comment
Valency index obtains corresponding second scalar quantity；
When described standby evaluation index maximum vacancy value standby less than first and the first standby vacancy persistent period
Product, non-firm power maximum vacancy value maximum vacancy value standby more than or equal to first and standby less than or equal to regulation
During value, or when described standby evaluation index maximum vacancy value standby less than first continues with the first standby vacancy
When the product of time, standby vacancy persistent period are more than or equal to the second standby vacancy persistent period, or work as
Described standby evaluation index maximum vacancy value standby more than or equal to first is taken advantage of with the first standby vacancy persistent period
Long-pending and standby less than second maximum vacancy value and the product of the second standby vacancy persistent period, non-firm power maximum
When vacancy value maximum vacancy value standby less than second, standby vacancy persistent period continue less than the second standby vacancy
Between time, set the 3rd calibration coefficient, and obtain according to this calibration coefficient and described standby evaluation index corresponding
3rd scalar quantity；
When described standby evaluation index maximum vacancy value standby more than or equal to first continues with the first standby vacancy
Between product and maximum vacancy value standby less than second and the product of the second standby vacancy persistent period, standby merit
When rate maximum vacancy value is more than or equal to the first standby maximum vacancy value and is less than or equal to regulation backed-up value, or work as
Described standby evaluation index maximum vacancy value standby more than or equal to first is taken advantage of with the first standby vacancy persistent period
Long-pending and standby less than second maximum vacancy value continues with the product of the second standby vacancy persistent period, standby vacancy
When time is more than or equal to the second standby vacancy persistent period, sets the 4th calibration coefficient, and according to this demarcation be
Number and described standby evaluation index obtain corresponding 4th scalar quantity；
When described standby evaluation index maximum vacancy value standby more than or equal to second continues with the second standby vacancy
Between product time, set the 5th calibration coefficient, and obtain according to this calibration coefficient and described standby evaluation index
Corresponding 5th scalar quantity.
Further, described standby evaluation index is RSS, and
RSS=Rshortage*Tduration,
Wherein, RshortageAnd TdurationIt is respectively described standby maximum vacancy value and standby vacancy persistent period.
Further, described standby measurement index is Rmeasure, and
Rmeasure=Kf*αf*βL-ε*Pcomp,
Wherein, Kf、αfIt is respectively described unit static frequency adjustment factor and the frequency influence factor,
βL=Lreal/Lforecast, βLFor described load modifying factor, LrealFor Real-time Load, LforecastBear for largest anticipated
Lotus, ε * PcompFor described primary frequency modulation corrected output, F is machine class frequency, fdFor dead band
Frequency, Pcomp=Kf*(f0-f), f0On the basis of frequency.
Further, described first frequency factor of influence is αf1, and αf1=0.05, described first frequency affects
The factor is αf2, and αf2=0.1, described first standby maximum vacancy value and the second standby maximum vacancy value are respectively
Rmeasure1And Rmeasure2, and
Rmeasure1=Kf*αf1*βL-ε*Pcomp, Rmeasure2=Kf*αf2*βL-ε*Pcomp。
Further, as RSS < Rmeasure1*Tduration1、Rshortage＜ Rmeasure1、Tduration<Tduration1Time, described
One scalar quantity is:
Cp1=Pp1* RSS,
Wherein, Tduration1For described first standby vacancy persistent period, Tduration1=10 minutes, fd=49.967 hertz,
f0=50 hertz, Pp1For described first calibration coefficient, and Pp1=0.
Further, as RSS < Rmeasure1*Tduration1、Rmeasure1≤Rshortage＜ Rmeasure2Or
RSS<Rmeasure1*Tduration1、Tduration1≤Tduration<Tduration2Time, described second scalar quantity is:
Cp2=Pp2* RSS,
Wherein, Tduration1And Tduration2It is respectively the described first standby vacancy persistent period and the second standby vacancy is held
The continuous time, Tduration1=10 minutes, Tduration2=30 minutes, fd=49.967 hertz, f0=50 hertz, Pp2For institute
State the second calibration coefficient, and Pp1=0.5.
Further, as RSS < Rmeasure1*Tduration1、Rmeasure2≤Rshortage≤RmandatoryOr
RSS<Rmeasure1*Tduration1、Tduration≥Tduration2Or
Rmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Rshortage Rmeasure2、Tduration<Tduration2Time, described
3rd scalar quantity is:
Cp3=Pp3* RSS,
Wherein, Tduration1And Tduration2It is respectively the described first standby vacancy persistent period and the second standby vacancy is held
The continuous time, RmandatoryFor described regulation backed-up value, Tduration1=10 minutes, Tduration2=30 minutes, fd=49.967 hertz
Hereby, f0=50 hertz, Pp3For described 3rd calibration coefficient, and Pp3=1.
Further, R is worked asmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Rmeasure2≤Rshortage≤RmandatoryOr
Rmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Tduration≥Tduration2Time, described 4th scalar quantity is:
Cp4=Pp4* RSS,
Wherein, Tduration1And Tduration2It is respectively the described first standby vacancy persistent period and the second standby vacancy is held
The continuous time, RmandatoryFor described regulation backed-up value, Tduration1=10 minutes, Tduration2=30 minutes, fd=49.967 hertz
Hereby, f0=50 hertz, Pp4For described 4th calibration coefficient, and Pp4=2.
Further, as RSS >=Rmeasure2*Tduration2Time, described 5th scalar quantity is:
Cp5=Pp5* RSS,
Wherein, Tduration2For described second standby vacancy persistent period, Tduration2=30 minutes, fd=49.967 hertz
Hereby, f0=50 hertz, Pp5For described 5th calibration coefficient, and Pp5=3.
For the vacancy in terms of real-time standby examination in the existing standby checking system of electrical network, the present invention proposes one
Obtain the real-time standby gauged method of regional power grid.The method according to the standby relevant regulations of operation of power networks, with
Contrafunctional examination curve is drawn based on time and standby vacancy data, by automatic monitoring means, real
In the examination cycle now, Utilities Electric Co. of provinces and cities is demarcated, it is possible to specification and guides each electrical network main body to enter one
Step is paid attention to and carries out standby work, promotes the lifting of standby working level and efficiency.
Accompanying drawing explanation
The demarcation area schematic that Fig. 1 provides for the embodiment of the present invention.
Wherein, I: first area, II: second area, III: the three region, V: the four region, VI:
5th region.
Detailed description of the invention
Below in conjunction with schematic diagram, the detailed description of the invention of the present invention is described in more detail.According to following
Description and claims, advantages and features of the invention will be apparent from.It should be noted that, accompanying drawing all uses
The form that simplifies very much and all use non-ratio accurately, only in order to convenient, aid in illustrating the present invention lucidly
The purpose of embodiment.
In the present embodiment, examining the real-time backed-up value in control zone, standby finger each province and city, examination event refers to each province and city
Examination backed-up value in control zone is less than regulation backed-up value, and the examination cycle refers to that regulation certain time period is interior to Check
Adding up, be monthly minimum period unit, the standby recovery phase is that after examination event occurs, backed-up value recovers
To specifying the longest standby permission time.
The invention provides a kind of acquisition real-time standby gauged method of regional power grid, comprise the following steps:
Standby evaluation index is obtained, with described standby according to standby maximum vacancy value and standby vacancy persistent period
Maximum vacancy value, standby vacancy persistent period and standby evaluation index are that variable sets up standby evaluation model；
Repair according to static frequency mediating effect+6 coefficient, the frequency influence factor, load modifying factor and primary frequency modulation
Positive obtains standby measurement index；
Obtaining the frequency influence factor is the standby measurement index of first during first frequency factor of influence, described first
Standby measurement index is the first standby maximum vacancy value, it is thus achieved that the frequency influence factor is second frequency factor of influence
Time the second standby measurement index, described second standby measurement index is the second standby maximum vacancy value, sets
First standby vacancy persistent period and the second standby vacancy persistent period；
When described standby evaluation index maximum vacancy value standby less than first and the first standby vacancy persistent period
Product, non-firm power maximum vacancy value maximum vacancy value standby less than first and standby vacancy persistent period are little
When the first standby vacancy persistent period, set the first calibration coefficient, and according to this calibration coefficient and described standby
Corresponding first scalar quantity is obtained by evaluation index；
When described standby evaluation index maximum vacancy value standby less than first and the first standby vacancy persistent period
Product and non-firm power maximum vacancy value are more than or equal to the first standby maximum vacancy value and less than the second standby maximum
During vacancy value, or when described standby evaluation index maximum vacancy value standby less than first and the first standby vacancy
The product of persistent period and standby vacancy persistent period are more than or equal to the first standby vacancy persistent period and less than the
During two standby vacancy persistent period, set the second calibration coefficient, and according to this calibration coefficient with described standby comment
Valency index obtains corresponding second scalar quantity；
When described standby evaluation index maximum vacancy value standby less than first and the first standby vacancy persistent period
Product, non-firm power maximum vacancy value maximum vacancy value standby more than or equal to first and standby less than or equal to regulation
During value, or when described standby evaluation index maximum vacancy value standby less than first continues with the first standby vacancy
When the product of time, standby vacancy persistent period are more than or equal to the second standby vacancy persistent period, or work as
Described standby evaluation index maximum vacancy value standby more than or equal to first is taken advantage of with the first standby vacancy persistent period
Long-pending and standby less than second maximum vacancy value and the product of the second standby vacancy persistent period, non-firm power maximum
When vacancy value maximum vacancy value standby less than second, standby vacancy persistent period continue less than the second standby vacancy
Between time, set the 3rd calibration coefficient, and obtain according to this calibration coefficient and described standby evaluation index corresponding
3rd scalar quantity；
When described standby evaluation index maximum vacancy value standby more than or equal to first continues with the first standby vacancy
Between product and maximum vacancy value standby less than second and the product of the second standby vacancy persistent period, standby merit
When rate maximum vacancy value is more than or equal to the first standby maximum vacancy value and is less than or equal to regulation backed-up value, or work as
Described standby evaluation index maximum vacancy value standby more than or equal to first is taken advantage of with the first standby vacancy persistent period
Long-pending and standby less than second maximum vacancy value continues with the product of the second standby vacancy persistent period, standby vacancy
When time is more than or equal to the second standby vacancy persistent period, sets the 4th calibration coefficient, and according to this demarcation be
Number and described standby evaluation index obtain corresponding 4th scalar quantity；
When described standby evaluation index maximum vacancy value standby more than or equal to second continues with the second standby vacancy
Between product time, set the 5th calibration coefficient, and obtain according to this calibration coefficient and described standby evaluation index
Corresponding 5th scalar quantity.
Described standby evaluation index is RSS, and
RSS=Rshortage*Tduration,
Wherein, RshortageAnd TdurationWhen respectively described non-firm power maximum vacancy value and standby vacancy continue
Between.
Described standby measurement index is Rmeasure, and
Rmeasure=Kf*αf*βL-ε*Pcomp,
Wherein, Kf、αfIt is respectively described unit static frequency adjustment factor and the frequency influence factor,
βL=Lreal/Lforecast, βLFor described load modifying factor, LrealFor Real-time Load, LforecastBear for largest anticipated
Lotus, ε * PcompFor described primary frequency modulation corrected output, F is machine class frequency, fdFor dead band
Frequency, Pcomp=Kf*(f0-f), f0On the basis of frequency.
Described first frequency factor of influence is αf1, and αf1=0.05, described first frequency factor of influence is αf2,
And αf2=0.1, described first standby maximum vacancy value and the second standby maximum vacancy value are respectively Rmeasure1With
Rmeasure2, and
Rmeasure1=Kf*αf1*βL-ε*Pcomp, Rmeasure2=Kf*αf2*βL-ε*Pcomp。
Described first standby vacancy persistent period and the second standby vacancy persistent period are respectively Tduration1With
Tduration2, RmandatoryFor known described regulation backed-up value, Tduration1=10 minutes, Tduration2=30 minutes,
fd=49.967 hertz, f0=50 hertz.
With TdurationFor x-axis, RshortageIt is that z-axis sets up three dimensions rectangular coordinate system for y-axis, RSS, in conjunction with
Rmeasure1、Rmeasure2、Tduration1、Tduration2And RmandatorySpace is marked off several regions, as it is shown in figure 1,
The projection on x/y plane first quartile of these regions can be divided into 5 regions, be first area I,
Second area the II, the 3rd region III, the 4th region VI, region the V and the 5th.Additionally, two songs in Fig. 1
Line is the present invention and (is T with the timeduration) and standby vacancy data (be RshortageDraw based on)
Contrafunctional examination curve (is the RSS drop shadow curve at x/y plane), T1It is Tduration1, T2It is
Tduration2。
As RSS < Rmeasure1*Tduration1、Rshortage＜ Rmeasure1、Tduration<Tduration1Time (its divide region at xy
The first area I being projected as in Fig. 1 of plane first quartile), described first scalar quantity is:
Cp1=Pp1* RSS,
Wherein, Pp1For described first calibration coefficient, and Pp1=0.
As RSS < Rmeasure1*Tduration1、Rmeasure1≤Rshortage＜ Rmeasure2Or
RSS<Rmeasure1*Tduration1、Tduration1≤Tduration<Tduration2Time (its divide region at x/y plane first
The second area II being projected as in Fig. 1 of quadrant), described second scalar quantity is:
Cp2=Pp2* RSS,
Wherein, Pp2For described second calibration coefficient, and Pp1=0.5.
As RSS < Rmeasure1*Tduration1、Rmeasure2≤Rshortage≤RmandatoryOr
RSS<Rmeasure1*Tduration1、Tduration≥Tduration2Or
Rmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Rshortage＜ Rmesuree2、Tduration<Tduration2Time (its stroke
The region divided is at the 3rd region III being projected as in Fig. 1 of x/y plane first quartile), described 3rd scalar quantity
For:
Cp3=Pp3* RSS,
Wherein, Pp3For described 3rd calibration coefficient, and Pp3=1.
Work as Rmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Rmeasure2≤Rshortage≤RmandatoryOr
Rmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Tduration≥Tduration2Time (its divide region at xy
The 4th region V being projected as in Fig. 1 of plane first quartile), described 4th scalar quantity is:
Cp4=Pp4* RSS,
Wherein, Pp4For described 4th calibration coefficient, and Pp4=2.
As RSS >=Rmeasure2*Tduration2Time (its divide region being projected as in Fig. 1 at x/y plane first quartile
The 5th region VI), described 5th scalar quantity is:
Cp5=Pp5* RSS,
Wherein, Pp5For described 5th calibration coefficient, and Pp5=3.
Practical operation situation according to Utilities Electric Co. of provinces and cities, it is thus achieved that first area I, second area the II, the 3rd
Region III, the scalar quantity in the 4th region VI, region the V and the 5th, when scalar quantity more hour, then this provinces and cities' electric power
It is the best that company's electrical network assembles the standby ability carrying out supporting, and the probability that critical violation event occurs is the least.
To sum up, for the vacancy in terms of real-time standby examination in the existing standby checking system of electrical network, the present invention carries
Go out a kind of acquisition real-time standby gauged method of regional power grid.The method is according to the standby relevant rule of operation of power networks
Fixed, based on time and standby vacancy data, draw contrafunctional examination curve, by automatic monitoring hands
Section, it is achieved within the examination cycle, Utilities Electric Co. of provinces and cities is demarcated, it is possible to specification and guides each electrical network master
Body is paid attention to further and carries out standby work, promotes the lifting of standby working level and efficiency.
Above are only the preferred embodiments of the present invention, the present invention is not played any restriction effect.Appoint
What person of ordinary skill in the field, in the range of without departing from technical scheme, to the present invention
The technical scheme disclosed and technology contents make the variation such as any type of equivalent or amendment, all belong to without departing from
The content of technical scheme, within still falling within protection scope of the present invention.
Claims (9)
1. one kind obtains the real-time standby gauged method of regional power grid, it is characterised in that comprise the following steps:
According to standby PowerMaximum vacancy value and standby vacancy persistent period obtain standby evaluation index, with described standby PowerMaximum vacancy value, standby vacancy persistent period and standby evaluation index are that variable sets up standby evaluation model；
Standby measurement index is obtained according to static frequency mediating effect+6 coefficient, the frequency influence factor, load modifying factor and primary frequency modulation corrected output；
Obtaining the frequency influence factor is the standby measurement index of first during first frequency factor of influence, described first standby measurement index is the first standby maximum vacancy value, obtaining the frequency influence factor is the standby measurement index of second during second frequency factor of influence, described second standby measurement index is the second standby maximum vacancy value, sets the first standby vacancy persistent period and the second standby vacancy persistent period；
When described standby evaluation index is less than the first standby maximum vacancy value and the product of the first standby vacancy persistent period, non-firm power maximum vacancy value maximum vacancy value standby less than first and standby vacancy persistent period were less than for the first standby vacancy persistent period, set the first calibration coefficient, and obtain corresponding first scalar quantity according to this calibration coefficient and described standby evaluation index；
When described standby evaluation index maximum vacancy value standby less than first maximum vacancy value standby more than or equal to first with the product of the first standby vacancy persistent period and non-firm power maximum vacancy value and maximum vacancy value standby less than second, or when described standby evaluation index maximum vacancy value standby less than first was more than or equal to for the first standby vacancy persistent period with the product of the first standby vacancy persistent period and standby vacancy persistent period and was less than for the second standby vacancy persistent period, set the second calibration coefficient, and obtain corresponding second scalar quantity according to this calibration coefficient and described standby evaluation index；
nullProduct when described standby evaluation index maximum vacancy value standby less than first with the first standby vacancy persistent period、Non-firm power maximum vacancy value is more than or equal to the first standby maximum vacancy value and less than or equal to when specifying backed-up value，Or the product when described standby evaluation index maximum vacancy value standby less than first with the first standby vacancy persistent period、When the standby vacancy persistent period is more than or equal to the second standby vacancy persistent period，Or when described standby evaluation index is more than or equal to the first standby maximum vacancy value and the product of the first standby vacancy persistent period and maximum vacancy value standby less than second and the product of the second standby vacancy persistent period、Non-firm power maximum vacancy value maximum vacancy value standby less than second、When the standby vacancy persistent period is less than the second standby vacancy persistent period，Set the 3rd calibration coefficient，And obtain corresponding 3rd scalar quantity according to this calibration coefficient and described standby evaluation index；
When described standby evaluation index is more than or equal to the first standby maximum vacancy value and the product of the first standby vacancy persistent period and maximum vacancy value standby less than second and the product of the second standby vacancy persistent period, non-firm power maximum vacancy value is more than or equal to the first standby maximum vacancy value and less than or equal to when specifying backed-up value, or when described standby evaluation index is more than or equal to the first standby maximum vacancy value and the product of the first standby vacancy persistent period and maximum vacancy value standby less than second and the product of the second standby vacancy persistent period, when the standby vacancy persistent period is more than or equal to the second standby vacancy persistent period, set the 4th calibration coefficient, and obtain corresponding 4th scalar quantity according to this calibration coefficient and described standby evaluation index；
When described standby evaluation index maximum vacancy value standby more than or equal to second and the product of the second standby vacancy persistent period, set the 5th calibration coefficient, and obtain corresponding 5th scalar quantity according to this calibration coefficient and described standby evaluation index.
2. the acquisition real-time standby gauged method of regional power grid as claimed in claim 1, it is characterised in that described standby evaluation index is RSS, and
RSS=Rshortage*Tduration,
Wherein, RshortageAnd TdurationIt is respectively described standbyPowerMaximum vacancy value and standby vacancy persistent period.
3. the acquisition real-time standby gauged method of regional power grid as claimed in claim 2, it is characterised in that described standby measurement index is Rmeasure, and
Rmeasure=Kf*αf*βL-ε*Pcomp,
Wherein, Kf、αfIt is respectively unit static frequency adjustment factor and the frequency influence factor, βL=Lreal/Lforecast, βLFor described load modifying factor, LrealFor Real-time Load, LforecastFor largest anticipated load, ε * PcompFor described primary frequency modulation corrected output,F is machine class frequency, fdFor dead band frequency, Pcomp=Kf*(f0-f), f0On the basis of frequency.
4. the acquisition real-time standby gauged method of regional power grid as claimed in claim 3, it is characterised in that described first frequency factor of influence is αf1, and αf1=0.05, described second frequency factor of influence is αf2, and αf2=0.1, described first standby maximum vacancy value and the second standby maximum vacancy value are respectively Rmeasure1And Rmeasure2, and
Rmeasure1=Kf*αf1*βL-ε*Pcomp, Rmeasure2=Kf*αf2*βL-ε*Pcomp。
5. the acquisition real-time standby gauged method of regional power grid as claimed in claim 4, it is characterised in that as RSS < Rmeasure1*Tduration1、Rshortage＜ Rmeasure1And Tduration<Tduration1Time, described first scalar quantity is:
Cp1=Pp1* RSS,
Wherein, Tduration1For described first standby vacancy persistent period, Tduration1=10 minutes, fd=49.967 hertz, f0=50 hertz, Pp1For described first calibration coefficient, and Pp1=0.
6. the acquisition real-time standby gauged method of regional power grid as claimed in claim 4, it is characterised in that as RSS < Rmeasure1*Tduration1、Rmeasure1≤Rshortage＜ Rmeasure2Or
RSS<Rmeasure1*Tduration1、Tduration1≤Tduration<Tduration2Time, described second scalar quantity is:
Cp2=Pp2* RSS,
Wherein, Tduration1And Tduration2It is respectively described first standby vacancy persistent period and the second standby vacancy persistent period, Tduration1=10 minutes, Tduration2=30 minutes, fd=49.967 hertz, f0=50 hertz, Pp2For described second calibration coefficient, and Pp1=0.5.
7. the acquisition real-time standby gauged method of regional power grid as claimed in claim 4, it is characterised in that as RSS < Rmeasure1*Tduration1、Rmeasure2≤Rshortage≤RmandatoryOr
RSS<Rmeasure1*Tduration1、Tduration≥Tduration2Or
Rmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Rshortage＜ Rmeasure2、Tduration<Tduration2Time, described 3rd scalar quantity is:
Cp3=Pp3* RSS,
Wherein, Tduration1And Tduration2It is respectively described first standby vacancy persistent period and the second standby vacancy persistent period, RmandatoryFor described regulation backed-up value, Tduration1=10 minutes, Tduration2=30 minutes, fd=49.967 hertz, f0=50 hertz, Pp3For described 3rd calibration coefficient, and Pp3=1.
8. the acquisition real-time standby gauged method of regional power grid as claimed in claim 4, it is characterised in that work as Rmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Rmeasure2≤Rshortage≤RmandatoryOr
Rmeasure1*Tduration1≤RSS<Rmeasure2*Tduration2、Tduration≥Tduration2Time, described 4th scalar quantity is:
Cp4=Pp4* RSS,
Wherein, Tduration1And Tduration2It is respectively described first standby vacancy persistent period and the second standby vacancy persistent period, RmandatoryFor described regulation backed-up value, Tduration1=10 minutes, Tduration2=30 minutes, fd=49.967 hertz, f0=50 hertz, Pp4For described 4th calibration coefficient, and Pp4=2.
9. the acquisition real-time standby gauged method of regional power grid as claimed in claim 4, it is characterised in that as RSS >=Rmeasure2*Tduration2Time, described 5th scalar quantity is:
Cp5=Pp5* RSS,
Wherein, Tduration2For described second standby vacancy persistent period, Tduration2=30 minutes, fd=49.967 hertz, f0=50 hertz, Pp5For described 5th calibration coefficient, and Pp5=3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588158.5A CN104332990B (en) | 2014-10-28 | 2014-10-28 | A kind of acquisition real-time standby gauged method of regional power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588158.5A CN104332990B (en) | 2014-10-28 | 2014-10-28 | A kind of acquisition real-time standby gauged method of regional power grid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332990A CN104332990A (en) | 2015-02-04 |
| CN104332990B true CN104332990B (en) | 2016-11-16 |
Family
ID=52407667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410588158.5A Active CN104332990B (en) | 2014-10-28 | 2014-10-28 | A kind of acquisition real-time standby gauged method of regional power grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332990B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995054B (en) * | 2019-03-26 | 2020-12-18 | 国网浙江省电力有限公司电力科学研究院 | Power grid frequency safety starting margin calculation method and starting method |
| CN114459523B (en) * | 2021-12-10 | 2024-04-30 | 红云红河烟草(集团)有限责任公司 | Calibration early warning method of online quality detection instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2429061A1 (en) * | 2010-09-08 | 2012-03-14 | EnBW Energie Baden-Württemberg AG | Method for improved energy loss forecasting in a transfer network |
| CN102545215A (en) * | 2012-01-16 | 2012-07-04 | 河北省电力研究院 | Global-positioning-system-based quantitative analysis and evaluation method for primary frequency regulation performance of regional power grid |
| CN103208088A (en) * | 2013-03-21 | 2013-07-17 | 国家电网公司 | Decision risk computer evaluation method of energy saving generation dispatching considering uncertainty of strength of wind and electricity |
| CN103426122A (en) * | 2013-05-17 | 2013-12-04 | 中国能源建设集团广东省电力设计研究院 | Comprehensive evaluation method of micro-grid |
| CN104217369A (en) * | 2013-06-05 | 2014-12-17 | 国家电网公司 | Large power grid construction economic evaluation method |
-
2014
- 2014-10-28 CN CN201410588158.5A patent/CN104332990B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2429061A1 (en) * | 2010-09-08 | 2012-03-14 | EnBW Energie Baden-Württemberg AG | Method for improved energy loss forecasting in a transfer network |
| CN102545215A (en) * | 2012-01-16 | 2012-07-04 | 河北省电力研究院 | Global-positioning-system-based quantitative analysis and evaluation method for primary frequency regulation performance of regional power grid |
| CN103208088A (en) * | 2013-03-21 | 2013-07-17 | 国家电网公司 | Decision risk computer evaluation method of energy saving generation dispatching considering uncertainty of strength of wind and electricity |
| CN103426122A (en) * | 2013-05-17 | 2013-12-04 | 中国能源建设集团广东省电力设计研究院 | Comprehensive evaluation method of micro-grid |
| CN104217369A (en) * | 2013-06-05 | 2014-12-17 | 国家电网公司 | Large power grid construction economic evaluation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104332990A (en) | 2015-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105356461B (en) | A kind of accounting method of the load unbalanced administration project carbon emission reduction amount of low voltage electric network | |
| CN105427039A (en) | Efficient processing method of distribution network repair work orders based on responsibility areas | |
| CN103701152B (en) | The method and system of the flickering carry-over factor acquisition that a kind of photo-voltaic power generation station is grid-connected | |
| Lin et al. | Division algorithm and interconnection strategy of restoration subsystems based on complex network theory | |
| CN103198222A (en) | Balance optimization method for comprehensive interruption maintenance plan | |
| CN107181253A (en) | A kind of Electric power network planning method based on power network dynamic reliability probability level | |
| CN104332990B (en) | A kind of acquisition real-time standby gauged method of regional power grid | |
| CN104502775B (en) | A kind of quantitative analysis method of quality of power supply to transformer synthesis energy consumption | |
| CN105976262A (en) | Power plant granularity based power grid model version sharing method | |
| CA2910796A1 (en) | Method and system employing finite state machine modeling to identify one of a plurality of different electric load types | |
| CN106033888A (en) | Online evaluation method for safety control amount of AC line fault based on speed-down DC sensitivity | |
| CN103837777A (en) | Method and system for power quality assessment of power supply system | |
| CN109165846A (en) | A kind of power distribution network methods of risk assessment containing distributed photovoltaic power | |
| CN103308762A (en) | Intensive energy consumption subentry measurement warning system and implementation method | |
| CN103280779A (en) | Auditing processing method for relay protection setting value | |
| CN106707080B (en) | A kind of string benefit damping circuit guard method based on envelope | |
| Ranjith et al. | Futuristic smart energy meter-design based on embedded perspective | |
| CN102882272B (en) | Intelligent alternating current distribution lightning protection and branch energy consumption monitoring system of base station | |
| CN105373893A (en) | Scheduling automation system model definition assistant decision-making and risk assessment method | |
| CN105335824B (en) | Distribution network failure repairing command methods and system based on data center | |
| CN105406474A (en) | Method and system for detecting utilization rate of power distribution network equipment with distributed power supply | |
| CN104362617B (en) | The distribution method of regional power grid control zone spare capacity | |
| Munadi et al. | Design and Implementation of a New Monitoring System for Electrical Energy Consumption with Smart Metering based on Intenet of Things (IoT) | |
| Liu et al. | Modeling and vulnerability analysis of multi-layer urban electric-transportation interdependent networks under extreme events | |
| CN108051674A (en) | Intelligent power quantity monitoring method and intelligent electric meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |