CN112510724A - Generation method of primary frequency modulation report - Google Patents
Generation method of primary frequency modulation report Download PDFInfo
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- CN112510724A CN112510724A CN202011193895.7A CN202011193895A CN112510724A CN 112510724 A CN112510724 A CN 112510724A CN 202011193895 A CN202011193895 A CN 202011193895A CN 112510724 A CN112510724 A CN 112510724A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/166—Editing, e.g. inserting or deleting
- G06F40/177—Editing, e.g. inserting or deleting of tables; using ruled lines
- G06F40/18—Editing, e.g. inserting or deleting of tables; using ruled lines of spreadsheets
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/166—Editing, e.g. inserting or deleting
- G06F40/183—Tabulation, i.e. one-dimensional positioning
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Abstract
The embodiment of the invention provides a method for generating a primary frequency modulation report, which is applied to a controller and comprises the following steps: acquiring a preset section, and equally dividing the preset section into a plurality of detection sections; wherein the preset section is 15 seconds to 60 seconds; running a preset logic algorithm, acquiring the switching value for triggering each detection section and counting the triggering times; and summarizing the triggering times of each detection section to generate a primary frequency modulation report. The preset logic algorithm divides the primary frequency modulation effective regulation time from 15 seconds to 60 seconds into 46 switching values, each switching value represents the end time of the corresponding frequency modulation time, the determined duration is added, the time period of the effective frequency modulation can be clearly judged, a primary frequency modulation report is automatically generated by utilizing the report function of the distributed control system, and the workload of operators is reduced; any control system can be realized, the programming and the communication of an upper computer are not needed, and the cost is low.
Description
Technical Field
The invention relates to the technical field of primary frequency modulation of a power grid, in particular to a method for generating a primary frequency modulation report.
Background
The primary frequency modulation qualification rate is one of important indexes of power plant examination by a power grid every month, each power plant can continuously optimize the primary frequency modulation performance of the power plant according to the regulation characteristic of the power plant so as to meet the requirement of the power grid, but an examination statistical table issued by the power grid every month only has the qualification rate index in the month, and the effective action condition of primary frequency modulation in each time interval and each time is not difficult to issue, so that great difficulty is brought to the power plant for tracing the frequency modulation condition of the power plant in the month so as to make corresponding adjustment in time.
The current common method of the power plant is that in a distributed control system, real-time network frequency (or a steam turbine rotating speed signal) is compared with an artificial dead zone to obtain a switching value output, the switching value is set to historical data collection, and the time period of primary frequency modulation action of a unit can be found by taking a historical trend. However, according to the provisions of the two rules of the power grid, if the frequency returns to the dead zone within 15 seconds, the frequency fluctuation process is not counted, the maximum is 60 seconds, namely the effective frequency modulation counting time period is different from 15 seconds to 60 seconds, and in addition, the average monthly frequency overtrequency frequency number in the power grid reaches more than three hundred times, so that the data statistics of the effective frequency modulation by power plant technicians is very difficult, and the efficiency is extremely low. The other method is to set system parameter points needing to be collected by utilizing the report function of the distributed control system, the switching value output obtained by comparing the real-time network frequency (or the rotating speed signal of the steam turbine) with the artificial dead zone is used as a report generating condition, the report duration is set to be 60 seconds, and the frequency modulation report of 1 minute after each frequency-crossing time can be obtained.
The effective frequency modulation time is different from 15 seconds to 60 seconds, technicians in the power plant also need to screen and intercept a large number of reports, and the efficiency is low.
Disclosure of Invention
The invention provides a method for generating a primary frequency modulation report, which solves the problems that the effective frequency modulation time is different from 15 seconds to 60 seconds, technicians in a power plant need to screen and intercept a large number of reports, and the efficiency is low. In order to achieve the purpose, the invention adopts the following technical scheme:
a method for generating a primary frequency modulation report, which is applied to a controller, comprises the following steps:
acquiring a preset section, and equally dividing the preset section into a plurality of detection sections; wherein the preset section is 15 seconds to 60 seconds;
running a preset logic algorithm, acquiring the switching value for triggering each detection section and counting the number of triggering times; and summarizing the triggering times of each detection section to generate a primary frequency modulation report.
Further, the detection sections are divided by taking the preset section as 1 second, and 46 detection sections are formed; the switching values are numbered D01, D02.
Further, the preset logic algorithm comprises the following steps:
the method comprises the following steps: the range of the manual control dead zone is 50 +/-0.033 Hz or 3000 +/-2 r/min, a signal of the power grid frequency or a signal of the rotating speed of the steam turbine is introduced into the first high-low limit module, then the signal is compared with the manual control dead zone, and an output signal enters a pin 3 of the first AND module.
Step two: the actual output signal is introduced into a first high-limit module, and is compared with the 95% rated output of the unit, and the output signal enters a pin 1 of a second AND module; introducing a power grid frequency signal or a steam turbine rotating speed signal into a first low-limit module, comparing the power grid frequency signal or the steam turbine rotating speed signal with the lowest point 49.967Hz or 2998r/min of a manual control dead zone, and outputting a signal to enter a second and module pin 2; and after the output signal of the second AND module is inverted, the output signal enters a pin 1 of the first AND module.
Step three: the actual output signal is introduced into a second low-limit module, the actual output signal is compared with the 55% rated output of the unit, and the output signal enters a pin 1 of a third and module; introducing a signal of the power grid frequency or a signal of the rotating speed of the steam turbine into a second high-limit module, comparing the signal with the highest point 50.033Hz or 3002r/min of the manual control dead zone, and outputting a signal to a pin 2 of a third and module; after the output of the third and module is negated, it enters pin 2 of the first and module.
Step four: the output signal of the first AND module is used as a frequency-crossing judging condition, enters the enabling end of the timing module, and is negated to be used as a stopping and resetting condition of the timing module.
Step five: taking the 15 th second as an example, the timing module outputs accumulated time to enter a second high-low limit module, and after the accumulated time is compared with 14.9 seconds and 15.1 seconds for negation, the accumulated time enters a pin 1 of a fourth AND module; the output signal of the first AND module is inverted and then enters a pin 2 of a fourth AND module; the output signal of the fourth and module is held by the first delay module, and then is output to the switching value DO 1.
Step six: 16 to 59 seconds are the same as the 15 th second, and the output signals sequentially reach the switching amounts DO2, DO3.
Step seven: at the 60 th second, the cumulative time of the output signal of the timing module is directly compared with the forty-seventh high-low limit module, and then the output signal is inverted and output to the switching value D46.
Compared with the prior art, the invention has the following advantages;
the invention provides a generating method of a primary frequency modulation report, which divides the primary frequency modulation effective regulation time from 15 seconds to 60 seconds into 46 switching values through a preset logic algorithm, each switching value represents the end time of the corresponding frequency modulation time, and the determined duration time is added, so that the time period of the effective frequency modulation can be clearly judged, the primary frequency modulation report is automatically generated in real time by using the report function of a distributed control system, the workload of operators is greatly reduced, and the working efficiency is improved.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantageous effects brought by the technical features of the technical solutions described above, other technical problems that the present invention can solve, other technical features included in the technical solutions, and advantageous effects brought by the technical features will be described in further detail in the detailed description of the embodiments.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with the present invention are described in detail below. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The embodiment of the invention provides a method for generating a primary frequency modulation report, which is applied to a controller and comprises the following steps:
acquiring a preset section, and equally dividing the preset section into a plurality of detection sections; wherein the preset section is 15-60 seconds;
running a preset logic algorithm, acquiring the switching value for triggering each detection section and counting the triggering times; and summarizing the triggering times of each detection section to generate a primary frequency modulation report.
The detection sections are divided by taking a preset section as 1 second, and 46 detection sections are formed; the switching values are numbered D01, D02.. D46, where D01 corresponds to 15 seconds, and so on, and D46 corresponds to 60 seconds.
It should be noted that, through the preset logic algorithm, the low frequency is not checked when the actual output of the unit is greater than 95% of the rated output, and the high frequency is not checked when the actual output of the unit is less than 55% of the rated output, so that the primary frequency modulation check condition is comprehensively judged through the preset logic algorithm; dividing 15-60 seconds into 46 time points according to 1 second, setting a switching value at each time point, and numbering the 46 switching values as D01 and D02...... D46 in sequence, wherein D01 corresponds to 15 seconds, and the like, and D46 corresponds to 60 seconds; the signal passing through the switching value is used as a triggering condition of a primary frequency modulation report and is sent to a report system; and finally, reversely pushing the switching value in turn for 15 to 60 seconds in the report system at the switching value overturning moment, and counting various primary frequency modulation assessment time periods.
Further, the step of presetting the logic algorithm is as follows:
the method comprises the following steps: the range of the manual control dead zone is 50 +/-0.033 Hz or 3000 +/-2 r/min, a signal of the power grid frequency or a signal of the rotating speed of the steam turbine is introduced into the first high-low limit module, then the signal is compared with the manual control dead zone, and an output signal enters a pin 3 of the first AND module;
step two: the actual output signal is introduced into the first high limit module and is compared with 95% rated output of the unit, and the output signal enters a pin 1 of the second sum module; introducing a signal of the power grid frequency or a signal of the rotating speed of the steam turbine into a first low-limit module, comparing the signal with the lowest point 49.967Hz or 2998r/min of the manual control dead zone, and introducing an output signal into a pin 2 of a second and module; the output signal is inverted and enters a pin 1 of a first AND module;
step three: the actual output signal is introduced into a second low limit module, the actual output signal is compared with the rated output of the unit by 55%, and an output signal enters a pin 1 of a third sum module; introducing a signal of the power grid frequency or a signal of the rotating speed of the steam turbine into a second high-limit module, comparing the signal with the highest point 50.033Hz or 3002r/min of the manual control dead zone, and outputting a signal to a pin 2 of a third AND module; after the output quantity of the third AND module is negated, the output quantity of the third AND module enters a pin 2 of the first AND module;
step four: the output signal of the first AND module is used as a frequency-crossing judging condition, enters an enabling end of the timing module, and is negated to be used as a stopping and resetting condition of the timing module;
step five: at the 15 th second, the accumulated output time of the timing module enters a second high-low limit module, and enters a pin 1 of a fourth AND module after being compared and negated with 14.9 seconds and 15.1 seconds; the output signal of the first AND module is inverted and then enters a pin 2 of a fourth AND module; after the output signal of the fourth and module is held by the first delay module, the output signal is output to a switching value DO 1;
step six: 16 to 59 seconds are the same as the 15 th second, and the output signals sequentially reach the switching values DO2 and DO3.. D45;
step seven: at the 60 th second, the cumulative time of the output signal of the timing module is directly compared with the forty-seventh high-low limit module, and then the output signal is inverted and output to the switching value D46.
The 46 switching values in the preset logic operation are judged, the output signals of the switching values are DO1 to D46, which respectively represent the ending time of the effective time of the 46 frequency modulation lasting for 15 seconds to 60 seconds, so that the overturning time of DO1 is reversed by 15 seconds, namely the starting time of the effective frequency modulation. The initial time and the duration time of effective frequency modulation are determined, and report generation setting can be conveniently completed by using the report function of the distributed control system: setting system points needing to be called, wherein report triggering conditions are DO1 and DO2.. D46 overturning, time periods are 15 seconds before DO1 overturning time and 16 seconds before DO2 overturning time respectively, and the like, so that a primary frequency modulation report can be obtained.
It should be noted that, the evaluation algorithm of the primary frequency modulation: when the frequency deviation exceeds a specified range (50 +/-0.05 Hz of water and electricity, 50 +/-0.033 Hz of thermal power and 50 +/-0.1 Hz of a direct-current boiler), the actual power generation P0 of the unit primary frequency regulation dead zone point is used as a base point, and the power generation variation is integrated backwards until the system frequency is restored to be within the unit action dead zone.
t 0: the moment when the system frequency exceeds the dead zone of the primary frequency modulation action of the unit;
tt: the time when the system frequency enters a unit primary frequency modulation action dead zone;
pt is the active power generated by the unit at the moment t;
and P0: t0 time point actual generating active power of the unit (or average value of 10 seconds before t0 time point).
The integration period is up to 60 seconds, and if the frequency returns to within the dead band within 60 seconds, the integration is performed until the time of returning to the dead band.
(1) If the frequency returns to the dead zone within 15 seconds, the frequency fluctuation process is not counted.
(2) The sampling frequency of the system frequency and the unit active power output is not more than 1 second.
(3) The actual output of the unit is close to the rated output (P is more than 0.95MCR), and the system frequency is reduced without checking; when the actual output of the unit is low (thermal power P is less than 0.55MCR, hydroelectric power P is less than 0.20MCR), the system frequency is not checked when rising.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A method for generating a primary frequency modulation report is applied to a controller, and is characterized by comprising the following steps:
acquiring a preset section, and equally dividing the preset section into a plurality of detection sections; wherein the preset section is 15 seconds to 60 seconds;
running a preset logic algorithm, acquiring the switching value for triggering each detection section and counting the triggering times;
and summarizing the triggering times of each detection section to generate a primary frequency modulation report.
2. The method according to claim 1, wherein the detection sections are divided into 1 second of the preset section, and the switching values of 46 detection sections are formed; the switching values are numbered D01, D02.
3. The method for generating a primary frequency modulation report according to claim 2, wherein the step of presetting the logic algorithm is as follows:
the method comprises the following steps: the range of the manual control dead zone is 50 +/-0.033 Hz or 3000 +/-2 r/min, a signal of the power grid frequency or a signal of the rotating speed of the steam turbine is introduced into the first high-low limit module, then the signals are compared with the manual control dead zone, and output signals enter a pin 3 of the first AND module;
step two: the actual output signal is introduced into a first high-limit module, and is compared with 95% rated output of the unit, and an output signal enters a pin 1 of a second AND module; introducing a signal of the power grid frequency or a signal of the rotating speed of the steam turbine into a first low-limit module, comparing the signal with the lowest point 49.967Hz or 2998r/min of the manual control dead zone, and introducing an output signal into a pin 2 of a second and module; the output signal is inverted and enters a pin 1 of a first AND module;
step three: the actual output signal is introduced into a second low-limit module, the actual output signal is compared with the 55% rated output of the unit, and an output signal enters a pin 1 of a third and module; introducing a signal of the power grid frequency or a signal of the rotating speed of the steam turbine into a second high-limit module, comparing the signal with the highest point 50.033Hz or 3002r/min of the manual control dead zone, and outputting a signal to a pin 2 of a third and module; after the output quantity of the third AND module is negated, the output quantity of the third AND module enters a pin 2 of the first AND module;
step four: the output signal of the first AND module is used as a frequency-crossing judging condition, enters an enabling end of the timing module, and is negated to be used as a stopping and resetting condition of the timing module;
step five: at the 15 th second, the accumulated output time of the timing module enters a second high-low limit module, and enters a pin 1 of a fourth AND module after being compared and negated with 14.9 seconds and 15.1 seconds; the output signal of the first AND module is inverted and then enters a pin 2 of a fourth AND module; after the output signal of the fourth and module is held by the first delay module, the output signal is output to a switching value DO 1;
step six: 16 to 59 seconds are the same as the 15 th second, and the output signals sequentially reach the switching values DO2 and DO3.. D45;
step seven: at the 60 th second, the cumulative time of the output signal of the timing module is directly compared with the forty-seventh high-low limit module, and then the output signal is inverted and output to the switching value D46.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113361877A (en) * | 2021-05-24 | 2021-09-07 | 中广核研究院有限公司 | Statistical analysis method, device, equipment and medium for power grid frequency data |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1854964A1 (en) * | 2006-05-10 | 2007-11-14 | Siemens Aktiengesellschaft | Use of the steam turbine for primary frequency control in power generating plants |
| CN103346619A (en) * | 2013-07-19 | 2013-10-09 | 国家电网公司 | Online monitoring and performance assessing method for primary frequency modulation of thermal generator set |
| CN106786665A (en) * | 2016-12-14 | 2017-05-31 | 国家电网公司华中分部 | A kind of generating set primary frequency regulation property abnormality Online statistics analysis method |
| CN111046633A (en) * | 2019-12-05 | 2020-04-21 | 国家电网公司西北分部 | LSTM-based power grid primary frequency modulation data prediction method and device |
| CN111428939A (en) * | 2020-04-14 | 2020-07-17 | 宁波金风绿能能源有限公司 | Two-rule power management promotion system and power management promotion method |
-
2020
- 2020-10-30 CN CN202011193895.7A patent/CN112510724A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1854964A1 (en) * | 2006-05-10 | 2007-11-14 | Siemens Aktiengesellschaft | Use of the steam turbine for primary frequency control in power generating plants |
| CN103346619A (en) * | 2013-07-19 | 2013-10-09 | 国家电网公司 | Online monitoring and performance assessing method for primary frequency modulation of thermal generator set |
| CN106786665A (en) * | 2016-12-14 | 2017-05-31 | 国家电网公司华中分部 | A kind of generating set primary frequency regulation property abnormality Online statistics analysis method |
| CN111046633A (en) * | 2019-12-05 | 2020-04-21 | 国家电网公司西北分部 | LSTM-based power grid primary frequency modulation data prediction method and device |
| CN111428939A (en) * | 2020-04-14 | 2020-07-17 | 宁波金风绿能能源有限公司 | Two-rule power management promotion system and power management promotion method |
Non-Patent Citations (1)
| Title |
|---|
| 王莅滨: "电厂一次调频考核系统的设计与实现", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113361877A (en) * | 2021-05-24 | 2021-09-07 | 中广核研究院有限公司 | Statistical analysis method, device, equipment and medium for power grid frequency data |
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