CN105207268B - A kind of generating set Automatic Generation Control function puts into state method for on-line optimization - Google Patents
A kind of generating set Automatic Generation Control function puts into state method for on-line optimization Download PDFInfo
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- CN105207268B CN105207268B CN201510743276.3A CN201510743276A CN105207268B CN 105207268 B CN105207268 B CN 105207268B CN 201510743276 A CN201510743276 A CN 201510743276A CN 105207268 B CN105207268 B CN 105207268B
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Abstract
A kind of generating set Automatic Generation Control function input state method for on-line optimization of the present invention, it includes：1 processing basic data, the generating set practical adjustments speed for having put into Automatic Generation Control function is compared with value up to standard；2 cancel the input state of generating set Automatic Generation Control not up to standard；3 pairs of generating sets for having put into Automatic Generation Control function carry out Automatic Generation Control regulatory demand judgement；4 choose the current all generating sets for not putting into Automatic Generation Control function, sorts by Automatic Generation Control regulations speed in past one month, and selection regulations speed is maximum and a generating set of unselected mistake；The generating set of selection is assumed input Automatic Generation Control function by 5, and carries out the out-of-limit judgement of section；The generating sets of 6 pairs of all input Automatic Generation Control functions carry out Automatic Generation Control regulatory demand judgements, solve power system real time execution and hide some dangers for, the technical problem such as generating set operational efficiency is low.
Description
Technical field
The invention belongs to power system power scheduling operation field, more particularly to a kind of generating set Automatic Generation Control work(
State method for on-line optimization can be put into.
Background technology
Automatic Generation Control is the important step in power system power scheduling, and it is to be no more than 10 in control time that it, which is acted on,
In the range of the time scale of minute, deviation is exchanged according to power system frequency interconnection, generating set is automatically adjusted and exerts oneself, met
Power system frequency interconnection exchanges deviation regulation and control and required.Only when the Automatic Generation Control function of generating set is in input shape
During state, the control requirement of automatic electricity generation control system can be just responded.Currently generating set Automatic Generation Control function is both at home and abroad
No input, is to be ordered to perform by power scheduling person on duty.Generating set Automatic Generation Control function input state is not only direct
Unit operation operating mode is influenceed, at the same it is huge to power system frequency interconnection exchange deviation effects, when generating set automatic generation
When control function input State assignment is unreasonable, generating set efficiency is not only influenceed, while bulk power grid running may be caused
Middle frequency interconnection exchanges deviation adjusting response not in time, causes bulk power grid major accident.
However, how power scheduling person on duty determines that the Automatic Generation Control function of which generating set puts into it according to then
There is bigger difference.
Under external advanced Power Market, such as U.S. PJM electricity markets, generating set Automatic Generation Control function
Input determined by its market quotes, power dispatching station by the Automatic Generation Control regulatory demand of real-time release subsequent time,
Each generating set is offered according to its actual operating mode, by considering Automatic Generation Control regulatory demand and generating set report as a whole
Valency, power scheduling person on duty formulates the input state assignment plan of generating set Automatic Generation Control function.If generating set is certainly
Dynamic Generation Control regulations speed does not reach power system standard, then it is examined.Coherent reference data is shown in PJM electricity markets
Handbook, domestic currently without the relevant regulations code that state is put into generating set Automatic Generation Control, generating set is sent out automatically
Whether electric control function puts into, and is judged completely by power dispatching station dispatcher artificial experience at present, lacks related code support.
The on-line monitoring to generating set Automatic Generation Control regulations speed is only realized by assistant service management evaluation system at present.
The system can be realized with Fixed Time Interval（Generally 15 minutes at present）Generating set in input state is sent out automatically
Its regulations speed of electric control function provides evaluation, judges whether it is up to standard, and its Automatic Generation Control regulations speed is ranked up.
From it is above-mentioned realize situation both at home and abroad from the point of view of, the external simple generating set automatic generation control for considering generating set quotation
System input state optimization method, only pursue maximization of economic benefit, without consider generating set actual operating mode whether
Power system actual motion requirement can be met, is that power system real time execution hides some dangers for.When occurring, a large amount of generating sets are automatic
When Generation Control regulations speed and real Automatic Generation Control pondage can not reach requirement, frequency mistake is likely to result in
Control, causes power system major accident.
And it is domestic due to lacking in related code regulation, practical implementation, power dispatching station dispatcher often lacks
Strong foundation support.To ensure that Operation of Electric Systems is normal, and a large amount of generating set Automatic Generation Control functions are put into, significantly
Beyond power system real demand, actually leverage generating set and normally run, reduce generating set operation effect
Rate.
The content of the invention
The technical problem to be solved in the present invention：There is provided a kind of generating set Automatic Generation Control function input state excellent online
Change method, to solve the simple hair for considering generating set quotation of Automatic Generation Control function input of generating set in the prior art
Group of motors Automatic Generation Control puts into state optimization method, only pursues maximization of economic benefit, without considering generating set
Whether actual operating mode can meet power system actual motion requirement, be that power system real time execution hides some dangers for, according to tune
The artificial input of degree person have impact on generating set and normally run, and reduce the technical problems such as generating set operational efficiency.
Technical solution of the present invention：
A kind of generating set Automatic Generation Control function puts into state method for on-line optimization, and it includes：
Step 1, processing basic data, will put into the generating set practical adjustments speed of Automatic Generation Control function with reaching
Scale value is compared；
Step 2, the input state for cancelling generating set Automatic Generation Control not up to standard；
Step 3, the generating set progress Automatic Generation Control regulatory demand judgement to having put into Automatic Generation Control function；
Automatic Generation Control regulatory demand, which is met, then to be terminated, and is unsatisfactory for, is performed step 4；
Step 4, choose the current all generating sets for not putting into Automatic Generation Control function, according in past one month from
Dynamic Generation Control regulations speed is ranked up, and chooses that regulations speed is maximum and a generating set of unselected mistake；
Step 5, the generating set for the not putting into Automatic Generation Control function hypothesis input automatic generation control for choosing step 4
Function processed, and the out-of-limit judgement of section is carried out, meet the out-of-limit control of section and require, then perform step 6, be unsatisfactory for then return to step 4；
Step 6, the generating set to all input Automatic Generation Control functions carry out Automatic Generation Control regulatory demand and sentenced
It is disconnected, meet Automatic Generation Control regulatory demand and then terminate, be unsatisfactory for then return to step 4.
Basic data is handled described in step 1 to be included：
By the actual upper limit regulations speed of the generating set for having put into Automatic Generation Control function and lower limit regulations speed with reaching
Scale value is compared, when upper limit regulations speed and lower limit regulations speed exceed value up to standard, then the generating set automatic generation control
Function point analysis speed processed is up to standard；The generating set for not putting into Automatic Generation Control function is gone over into Automatic Generation Control in 1 month
Regulations speed average value is to it according to sorting in descending order；Generating set Automatic Generation Control pondage is calculated, is generated electricity
Machine unit automatic generation controls to adjust capacity=min { 0;Generating set generation schedule-generating set Automatic Generation Control function point analysis
Lower limit;The generating set Automatic Generation Control function point analysis upper limit-generating set generation schedule;Generating set goes over to adjust for 1 month
Speed average value * 10 minutes }；Electric power system tide is calculated after following 15 minutes, pre- according to generating set generation schedule and load
Survey, call flow calculation program, obtain following 15 minutes electric power system tides.
The generating set to having put into Automatic Generation Control function described in step 3 carries out Automatic Generation Control regulatory demand
Judge, its judgment step includes：
Step 3.1, calculating Automatic Generation Control pondage, Automatic Generation Control pondage are equal to all automatic generations
Generating set Automatic Generation Control capacity sum of the control in input state；
Step 3.2, when Automatic Generation Control pondage is more than or equal to Automatic Generation Control regulatory demand, then meet automatic
Generation Control regulatory demand then terminates；If Automatic Generation Control pondage is less than Automatic Generation Control regulatory demand, it is discontented with
Sufficient Automatic Generation Control regulatory demand, performs step 4.
The out-of-limit judgement of section is carried out described in step 5, its determination methods includes：
Step 5.1, calculating section anticipation trend, the section anticipation trend is just envisioning trend including section and section is negative pre-
Think trend, its calculation formula is：Section is just envisioning trend=ground state trend+true amplitude * transfer distribution factors；The negative anticipation tide of section
Stream=ground state trend-negative amplitude * transfer distribution factors；True amplitude=min { generating set Automatic Generation Control function point analysis
The upper limit-generating set generation schedule;Past 1 month of generating set regulations speed average value * 10 minutes }；Negative amplitude=the min
{ generating set generation schedule-generating set Automatic Generation Control function point analysis lower limit;Generating set goes over 1 month regulations speed
Average value * 10 minutes }；
Step 5.2, when a certain section it is positive and negative anticipation trend be respectively less than its section limit value when, then the generating set input from
After dynamic control function, the regulation and control requirement of the section is met；When the positive and negative anticipation trend of all sections is satisfied by being less than its section
During limit value, then generating set Automatic Generation Control function input meets the out-of-limit control of section and required.
The generator of pair all input Automatic Generation Control functions described in step 6 carries out Automatic Generation Control regulatory demand and sentenced
Disconnected, its determination methods includes：
Step 6.1, calculating Automatic Generation Control pondage, Automatic Generation Control pondage=all automatic generations control
Function processed is in generating set Automatic Generation Control capacity sum+generating set Automatic Generation Control capacity of input state；
Step 6.2, Automatic Generation Control pondage are more than or equal to Automatic Generation Control regulatory demand, then meet demand,
Then terminate；If Automatic Generation Control pondage is less than Automatic Generation Control regulatory demand, demand is unsatisfactory for, return performs step
Rapid 3, until meeting demand.
Beneficial effects of the present invention：
The present invention has taken into full account generating set Automatic Generation Control regulations speed and pondage, and considers generating set
Influence after Automatic Generation Control function input to power system control of section, core technology feature of the invention is fully to examine
Consider and power network is pacified under generating set Automatic Generation Control regulations speed situation up to standard, generating set Automatic Generation Control input state
The aspect of tunneling boring regulation and control influence two is constrained, rationally establishment generating set Automatic Generation Control input state, on the one hand at utmost
Ensure to meet power system Automatic Generation Control regulatory demand, it is ensured that frequency interties line exchanges bias adjustment requirement；On the other hand
Consider that generating set Automatic Generation Control influences on safe operation of electric network, it is ensured that section does not get over line, it is to avoid a large amount of generators
Group Automatic Generation Control function is chronically at the operating mode negative effect caused under input state, and flow of the present invention is simple, realizes letter
Just, governing speed is quick, can be realized completely by computer automatic programming, will not increase dispatcher and additionally adjust workload, practical
Property is strong；Solve the simple generating for considering generating set quotation of Automatic Generation Control function input of generating set in the prior art
Machine unit automatic generation control input state optimization method, only pursues maximization of economic benefit, the reality without considering generating set
Whether border operating condition can meet power system actual motion requirement, be that power system real time execution hides some dangers for, according to scheduling
The artificial input of member have impact on generating set and normally run, and reduce the technical problems such as generating set operational efficiency.
Embodiment
The present invention takes into full account generating set Automatic Generation Control regulations speed, pondage and generating set automatic generation
Influence after control input to power system control of section, it is proposed that a kind of generating set Automatic Generation Control function puts into state
Method for on-line optimization, it monitors sequence to realize based on real-time performance.Implementation step is as follows：
A kind of generating set Automatic Generation Control function puts into state method for on-line optimization, and it includes：
Step 1, processing basic data, will put into the generating set practical adjustments speed of Automatic Generation Control function with reaching
Scale value is compared；
Basic data is handled described in step 1 to be included：
By the actual upper limit regulations speed of the generating set for having put into Automatic Generation Control function and lower limit regulations speed with reaching
Scale value is compared, when upper limit regulations speed and lower limit regulations speed exceed value up to standard, then the generating set automatic generation control
Function point analysis speed processed is up to standard；The generating set for not putting into Automatic Generation Control function is gone over into Automatic Generation Control in 1 month
Regulations speed average value is to it according to sorting in descending order；Generating set Automatic Generation Control pondage is calculated, is generated electricity
Machine unit automatic generation controls to adjust capacity=min { 0;Generating set generation schedule-generating set Automatic Generation Control function point analysis
Lower limit;The generating set Automatic Generation Control function point analysis upper limit-generating set generation schedule;Generating set goes over to adjust for 1 month
Speed average value * 10 minutes }；Electric power system tide is calculated after following 15 minutes, pre- according to generating set generation schedule and load
Survey, call flow calculation program, obtain following 15 minutes electric power system tides.
Flow calculation program is power system fundamental analysis function, and the present invention is repeated no more.Power system section now
Trend turns into ground state trend.
Its basic data source is shown in Table 1.
Step 2, the input state for cancelling generating set Automatic Generation Control not up to standard；Directly cancel 15 minutes in the past automatically
The Automatic Generation Control function input state of Generation Control regulations speed generating set not up to standard.
Step 3, the generating set progress Automatic Generation Control regulatory demand judgement to having put into Automatic Generation Control function；
Automatic Generation Control regulatory demand, which is met, then to be terminated, and is unsatisfactory for, is performed step 4；
The generating set to having put into Automatic Generation Control function described in step 3 carries out Automatic Generation Control regulatory demand
Judge, its judgment step includes：
Step 3.1, calculating Automatic Generation Control pondage, Automatic Generation Control pondage are equal to all automatic generations
Generating set Automatic Generation Control capacity sum of the control in input state；
Step 3.2, when Automatic Generation Control pondage is more than or equal to Automatic Generation Control regulatory demand, then meet automatic
Generation Control regulatory demand, then optimization method of the present invention terminate；The optimization method for calling the present invention next time is waited, if automatic hair
Electric control pondage is less than Automatic Generation Control regulatory demand, then is unsatisfactory for Automatic Generation Control regulatory demand, performs step
4。
Step 4, choose the current all generating sets for not putting into Automatic Generation Control function, according in past one month from
Dynamic Generation Control regulations speed is ranked up, and chooses that regulations speed is maximum and a generating set of unselected mistake；The present invention
In method implementation procedure, the maximum all generating sets for not putting into Automatic Generation Control function of regulations speed are chosen for the first time,
All generating sets for not putting into Automatic Generation Control function of second of selection sequence second, the like.
Step 5, the generating set for the not putting into Automatic Generation Control function hypothesis input automatic generation control for choosing step 4
Function processed, and the out-of-limit judgement of section is carried out, meet the out-of-limit control of section and require, then perform step 6, be unsatisfactory for then return to step 4；
The out-of-limit judgement of section is carried out described in step 5, its determination methods includes：
Step 5.1, calculating section anticipation trend, it is contemplated that trend refers to assume generating set input Automatic Generation Control work(
After energy, go out in ground state Load flow calculation, when the generating set occur amplitude peak Automatic Generation Control exert oneself adjustment after, power system
The new trend distribution of control section.
The section anticipation trend is just envisioning trend and the negative anticipation trend of section including section, and its calculation formula is：Section
Positive anticipation trend=ground state trend+true amplitude * transfer distribution factors；The negative anticipation trend=ground state trend of section-negative amplitude * transfers point
The cloth factor；True amplitude=min { generating set Automatic Generation Control function point analysis upper limits-generating set generation schedule;Generate electricity
Past 1 month of unit regulations speed average value * 10 minutes }；Negative amplitude=min { generating set generation schedules-generating set
Automatic Generation Control function point analysis lower limit;Past 1 month of generating set regulations speed average value * 10 minutes }；Firstly the need of calculating
The generating set is exerted oneself after maximum possible adjustment amplitude, including true amplitude and negative amplitude；Positive anticipation trend and negative anticipation are calculated again
Two kinds of situations of trend.
Step 5.2, when a certain section it is positive and negative anticipation trend be respectively less than its section limit value when, then the generating set input from
After dynamic control function, the regulation and control requirement of the section is met；When the positive and negative anticipation trend of all sections is satisfied by being less than its section
During limit value, then generating set Automatic Generation Control function input meets the out-of-limit control of section and required.
Step 6, the generator to all input Automatic Generation Control functions carry out Automatic Generation Control regulatory demand judgement,
Meeting Automatic Generation Control regulatory demand, then optimization method of the present invention terminates；The optimization method for calling the present invention next time is waited,
Then return to step 4 are unsatisfactory for, a generator for not putting into Automatic Generation Control function is chosen again
The generating set of pair all input Automatic Generation Control functions carries out Automatic Generation Control regulatory demand described in step 6
Judge, its determination methods includes：
Step 6.1, calculating Automatic Generation Control pondage, Automatic Generation Control pondage=all automatic generations control
Function processed is in generating set Automatic Generation Control capacity sum+generating set Automatic Generation Control capacity of input state；
Step 6.2, Automatic Generation Control pondage are more than or equal to Automatic Generation Control regulatory demand, then meet demand,
Then optimization method of the present invention terminates；Wait the optimization method for calling the present invention next time；If Automatic Generation Control pondage is small
In Automatic Generation Control regulatory demand, then demand is unsatisfactory for, returns and perform step 3, until meeting demand.
Claims (5)
1. a kind of generating set Automatic Generation Control function puts into state method for on-line optimization, it includes：
Step 1, processing basic data, will put into the generating set practical adjustments speed and value up to standard of Automatic Generation Control function
It is compared；
Step 2, the input state for cancelling generating set Automatic Generation Control not up to standard；
Step 3, the generating set progress Automatic Generation Control regulatory demand judgement to having put into Automatic Generation Control function；Automatically
Generation Control regulatory demand, which is met, then to be terminated, and is unsatisfactory for, is performed step 4；
Step 4, the current all generating sets for not putting into Automatic Generation Control function of selection, send out automatically according in past one month
Electric control regulations speed is ranked up, and chooses that regulations speed is maximum and a generating set of unselected mistake；
Step 5, the generating set for the not putting into Automatic Generation Control function hypothesis input Automatic Generation Control work(for choosing step 4
Can, and the out-of-limit judgement of section is carried out, meet the out-of-limit control of section and require, then perform step 6, be unsatisfactory for then return to step 4；
Step 6, the generating set to all input Automatic Generation Control functions carry out Automatic Generation Control regulatory demand judgement, full
Sufficient Automatic Generation Control regulatory demand then terminates, and is unsatisfactory for then return to step 4.
2. a kind of generating set Automatic Generation Control function input state method for on-line optimization according to claim 1, its
It is characterised by：Basic data is handled described in step 1 to be included：
By the actual upper limit regulations speed of the generating set for having put into Automatic Generation Control function and lower limit regulations speed and value up to standard
It is compared, when upper limit regulations speed and lower limit regulations speed exceed value up to standard, then the generating set Automatic Generation Control work(
Energy regulations speed is up to standard；The generating set for not putting into Automatic Generation Control function is gone over into Automatic Generation Control regulation in 1 month
Speed average value is to it according to sorting in descending order；Calculate generating set Automatic Generation Control pondage, generating set
Automatic Generation Control pondage=min { 0;Generating set generation schedule-generating set Automatic Generation Control function point analysis lower limit;
The generating set Automatic Generation Control function point analysis upper limit-generating set generation schedule;Generating set is gone over 1 month regulations speed and put down
Average * 10 minutes }；Electric power system tide is calculated after following 15 minutes, according to generating set generation schedule and load prediction, is called
Flow calculation program, obtains following 15 minutes electric power system tides.
3. a kind of generating set Automatic Generation Control function input state method for on-line optimization according to claim 1, its
It is characterised by：The generating set to having put into Automatic Generation Control function described in step 3, which carries out Automatic Generation Control regulation, to be needed
Judgement is asked, its judgment step includes：
Step 3.1, calculating Automatic Generation Control pondage, Automatic Generation Control pondage are equal to all Automatic Generation Controls
Generating set Automatic Generation Control capacity sum in input state；
Step 3.2, when Automatic Generation Control pondage be more than or equal to Automatic Generation Control regulatory demand, then meet automatic generation
Control and regulation demand then terminates；If Automatic Generation Control pondage is less than Automatic Generation Control regulatory demand, it is unsatisfactory for certainly
Dynamic Generation Control regulatory demand, performs step 4.
4. a kind of generating set Automatic Generation Control function input state method for on-line optimization according to claim 1, its
It is characterised by：The out-of-limit judgement of section is carried out described in step 5, its determination methods includes：
Step 5.1, calculating section anticipation trend, the section anticipation trend is just envisioning trend including section and the negative anticipation of section is damp
Flow, its calculation formula is：Section is just envisioning trend=ground state trend+true amplitude * transfer distribution factors；The negative anticipation trend=base of section
State trend-negative amplitude * transfer distribution factors；True amplitude=the min generating set Automatic Generation Control function point analysis upper limit-
Generating set generation schedule;Past 1 month of generating set regulations speed average value * 10 minutes }；Negative amplitude=the min { generates electricity
Unit generation plan-generating set Automatic Generation Control function point analysis lower limit;Generating set is gone over 1 month regulations speed and is averaged
Value * 10 minutes }；
Step 5.2, when the positive and negative anticipation trend of a certain section is respectively less than its section limit value, then the automatic control of generating set input
After function processed, the regulation and control requirement of the section is met；When the positive and negative anticipation trend of all sections is satisfied by being less than its section limit value
When, then generating set Automatic Generation Control function input meets the out-of-limit control of section and required.
5. a kind of generating set Automatic Generation Control function input state method for on-line optimization according to claim 1, its
It is characterised by：The generator of pair all input Automatic Generation Control functions carries out Automatic Generation Control regulatory demand described in step 6
Judge, its determination methods includes：
Step 6.1, calculating Automatic Generation Control pondage, Automatic Generation Control pondage=all Automatic Generation Controls work(
Generating set Automatic Generation Control capacity sum+generating set Automatic Generation Control capacity of input state can be in；
Step 6.2, Automatic Generation Control pondage are more than or equal to Automatic Generation Control regulatory demand, then meet demand, then tie
Beam；If Automatic Generation Control pondage is less than Automatic Generation Control regulatory demand, demand is unsatisfactory for, returns and performs step 4,
Until meeting demand.
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| CN110417064B (en) * | 2019-07-26 | 2021-03-16 | 国网山东省电力公司电力科学研究院 | Dynamic regulation and control method and system for regulation rate based on active capacity monitoring of AGC unit |
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| TWI413362B (en) * | 2010-07-16 | 2013-10-21 | Novatek Microelectronics Corp | Circuit and method for automatic gain control and amplification apparatus |
| WO2014129978A1 (en) * | 2013-02-22 | 2014-08-28 | Agency For Science, Technology And Research | Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes |
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