CN109459985A - A kind of method of power plant's primary frequency modulation real time monitoring - Google Patents
A kind of method of power plant's primary frequency modulation real time monitoring Download PDFInfo
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- CN109459985A CN109459985A CN201811302083.4A CN201811302083A CN109459985A CN 109459985 A CN109459985 A CN 109459985A CN 201811302083 A CN201811302083 A CN 201811302083A CN 109459985 A CN109459985 A CN 109459985A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33273—DCS distributed, decentralised controlsystem, multiprocessor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention relates to a kind of method of power plant's primary frequency modulation real time monitoring, steps are as follows: (1) acquires data, the data include GC instruction, unit hair power, primary frequency modulation action state, the limitation of primary frequency modulation load, generating unit speed and frequency difference in fact；(2) adopted using DCS system and integrated, added up and logical operation, the content of calculating includes 15 seconds power output response indexs, 30 seconds power output response indexs and electricity contribution index.(3) primary frequency modulation movement is executed；(4) judge whether the actual value and theoretical value of primary frequency modulation movement meet, if meeting progress in next step, data are shown if meeting and are prompted, calculate departure；(5) accuracy is calculated, day action situation is counted.The present invention realizes the real time monitoring of monitoring, statistics power plant's primary frequency modulation using DCS system, and carries out statistics and analysis to relevant parameter, improves the safety and stability of power generation.
Description
Technical field
The invention belongs to power system monitor administrative skill fields, are related to a kind of method of power plant's primary frequency modulation real time monitoring.
Background technique
Generating set primary frequency regulation function is the intrinsic function of Turbo-generator Set, boiler heat storage is mainly utilized, in electricity
In the case that exception occurs in net, the requirement of quick response power grid, electric power grid frequency stabilization maintains electricity to make up network load gap
The safety of net.The response that Primary regulation changes system frequency is fast, according to the statistics of IEEE, the comprehensive Primary regulation of electric system
Characteristic time constant is generally at 10 seconds or so, since there is no variations for the chemical energy in combustion system, with amount of stored heat
It reduces, the power of generator can return to original level again.The size of Primary frequency control ability and the speed-regulating system of generating set with
And the control mode of generating set has very important relationship.Currently, the digital electro-hydraulic control system (DEH) of fired power generating unit obtains
Universal use, so that the primary frequency function of generating set is no longer the intrinsic control characteristic of speed-regulating system, and
Can by artificially carry out logic change and switching operation.
Primary frequency modulation (primary frequency regulation) refer to the frequency of power grid when offrating,
The control system of unit just automatically controls the increase and decrease of unit active power in power grid, and limitation mains frequency variation makes power grid frequency
Rate maintains stable automatic control process.When mains frequency increases, primary frequency function requires unit quick using its accumulation of heat
Load shedding, conversely, unit quickly increases load.In view of the demand to power quality is continuously improved, dispatching of power netwoks at present is to each power generation
Enterprise's primary frequency modulation performance requires further stringent.
Power grid has hysteresis quality to electricity power enterprise's feedback primary frequency modulation action situation, to the Primary frequency control ability of grid-connected unit without
Method effectively predicts and monitors, the primary frequency modulation movement and examination information of the often other day that electricity power enterprise is seen, it is unfavorable just
Normal power generation operation, the safety and stability for influencing power grid are qualitative.
Summary of the invention
The object of the present invention is to provide a kind of methods of power plant's primary frequency modulation real time monitoring, monitored using DCS system realization,
Count power plant's primary frequency modulation real time monitoring, and to relevant parameter carry out statistics and analysis, improve power generation safety and
Stability.
The technical scheme is that: the method for power plant's primary frequency modulation real time monitoring includes the following steps:
(1) data are acquired, and data include AGC instruction, unit hair power, primary frequency modulation action state, primary frequency modulation load in fact
Limitation, generating unit speed and frequency difference；
(2) integrated, added up and logical operation using DCS system, the content of calculating include 15 seconds power output response indexs,
30 seconds power output response indexs and electricity contribution index；
(3) primary frequency modulation movement is executed；
(4) judge whether the actual value and theoretical value of primary frequency modulation movement meet, if meeting progress in next step, if not
Meet, show data and prompt, calculate departure, then carries out in next step；
(5) accuracy is calculated, counts day action situation, return step is (1)
The calculation formula of 15 seconds power output response indexs are as follows:
In formula: Δ P15%Indicate 15 seconds power output response indexs, %；ΔP15S.maxIt indicates since frequency departure is beyond dead zone,
The practical maximum output adjustment amount of unit primary frequency modulation, MW in 15 seconds；ΔPE.maxIt indicates in unit frequency modulation duration (A0~B0)
Theoretical maximum power output adjustment amount, MW；
The calculating of 30 seconds power output response indexs:
In formula: Δ P30%Indicate 30 seconds power output response indexs, %；ΔP30S.maxIt indicates since frequency departure is beyond dead zone,
The practical maximum output adjustment amount of unit primary frequency modulation, MW in 30 seconds；ΔPE.maxIt indicates in unit frequency modulation duration (A0~B0)
Theoretical maximum power output adjustment amount, MW；
The calculation formula of electricity contribution index:
In formula: Q% indicates unit primary frequency modulation electricity contribution index, %；Δ QS indicates unit primary frequency modulation actual contribution
Electricity, MW；Δ QE indicates unit primary frequency modulation theory contribution electricity, MW.
The process of primary frequency modulation movement are as follows: generating set exceeds dead zone from frequency departure, and single unit starts quick response
The variation of frequency increases accordingly power output according to respective static characteristic, and with the increase of the whole network unit output, frequency is gradually stable and opens
Begin to rise, until frequency departure is restored in dead zone range.The duration of frequency modulation movement is to adjust from frequency departure beyond primary
Frequency dead zone starts to frequency departure the duration returned in primary frequency modulation dead zone range.The frequency of Hydropower Unit Regulation dead-band is
0.05Hz, the frequency of fired power generating unit Regulation dead-band are 0.033Hz.Take net factory's signal homologous during power plant's primary frequency modulation, i.e.,
Signal source is identical.
The calculating logics functional blocks such as integral, the differential that setting is calculated for primary frequency modulation performance in unit DCS system.?
The level of factory real-time monitoring system of monitoring in real time, statistics primary frequency modulation (PFR) is realized in DCS system, and is united to relevant parameter
Meter, analysis.Make unit DCS system on the basis of monitoring, adjustment function, increases statistics, the analytic function of primary frequency modulation,
When monitoring unit operating parameter, while the performance parameter of each primary frequency modulation movement is monitored in real time.Every unit primary frequency modulation is dynamic
After work, power grid leads to actual contribution electricity in after one minute, the practical power output extreme value of 15s, and 30s three indexs of practical power output extreme value are sentenced
Whether the movement of this fixed primary frequency modulation is correct, examines to the operating status of unit.
The method of power plant's primary frequency modulation real time monitoring of the present invention can be computed correctly the primary frequency modulation contributing electricity of unit, power output
The performance indicators such as extreme value and momentary speed variation carry out statistics to each action data using friendly interface and show.Movement is not conformed to
The frequency modulation points of lattice carries out emphasis prompt, and calculates the departure of display bias term, the accuracy of daily statistics movement and unqualified
The relevant informations such as number, and compared with power grid examination data, measurement, accuracy in computation are improved, unit primary frequency modulation is optimized
Regulation performance.The present invention realizes monitoring using DCS system, counts monitoring in real time for power plant's primary frequency modulation, and joins to correlation
Number carries out statistics and analysis, improves the safety and stability of power generation.
Detailed description of the invention
Fig. 1 is the flow diagram of power plant of the present invention time frequency modulation real time monitoring；
Fig. 2 is group primary frequency modulation evaluation index calculation specifications figure；
Wherein: 1-practical power output, 2 theoretical power outputs, 3-frequencies.
Specific embodiment
The following describes the present invention in detail with reference to examples.The scope of protection of the present invention is not limited to the embodiment, this field
Technical staff makes any change within the scope of the claims and also belongs to the scope of protection of the invention.
The method of power plant's primary frequency modulation real time monitoring of the present invention, as shown in Figure 1, including the following steps:
(1) data are acquired, and data include AGC instruction, unit hair power, primary frequency modulation action state, primary frequency modulation load in fact
Limitation, generating unit speed and frequency difference.
(2) integrated, added up and logical operation using DCS system, the content of calculating include 15 seconds power output response indexs,
30 seconds power output response indexs and electricity contribution index；
The calculation formula of 15 seconds power output response indexs are as follows:
In formula: Δ P15%Indicate 15 seconds power output response indexs, %；ΔP15S.maxIt indicates since frequency departure is beyond dead zone,
The practical maximum output adjustment amount of unit primary frequency modulation, MW in 15 seconds；ΔPE.maxIt indicates in unit frequency modulation duration (A0~B0)
Theoretical maximum power output adjustment amount, MW；
The calculating of 30 seconds power output response indexs:
In formula: Δ P30%Indicate 30 seconds power output response indexs, %；ΔP30S.maxIt indicates since frequency departure is beyond dead zone,
The practical maximum output adjustment amount of unit primary frequency modulation, MW in 30 seconds；ΔPE.maxIt indicates in unit frequency modulation duration (A0~B0)
Theoretical maximum power output adjustment amount, MW；
The calculation formula of electricity contribution index:
In formula: Q% indicates unit primary frequency modulation electricity contribution index, %；Δ QS indicates unit primary frequency modulation actual contribution
Electricity, MW；Δ QE indicates unit primary frequency modulation theory contribution electricity, MW.
(3) primary frequency modulation movement is executed, as shown in Fig. 2, by taking fired power generating unit as an example, the process of primary frequency modulation movement are as follows: power generation
For unit since frequency departure is beyond dead zone (A0) (i.e. from the A0 moment), single unit starts the variation of quick response frequency,
Power output is increased accordingly according to respective static characteristic, with the increase of the whole network unit output, frequency is gradually stable and begins to ramp up, until
Frequency departure is restored in dead zone range.
A0 indicates that primary frequency modulation evaluates start time in Fig. 2, at the time of exceeding primary frequency modulation dead zone for frequency departure.B0 table
Show that primary frequency modulation evaluates finish time, (if frequency departure is from beyond primary at the time of being restored in dead zone range for frequency departure
Regulation dead-band to restore to the time in dead zone range be more than 60 seconds, B0=A0+60s).A0~B0 indicates the frequency modulation duration,
I.e. since frequency departure beyond returned to frequency departure primary frequency modulation dead zone in primary frequency modulation dead zone range duration (if
More than 60 seconds, the frequency modulation duration calculated according to 60 seconds).
(4) judge whether the actual value and theoretical value of primary frequency modulation movement meet, if meeting progress in next step, if not
Meet, show data and prompt, calculate departure, then carries out in next step；To total contributing electricity, 15s extreme value, 30s extreme value
Theoretical value, actual value are calculated and are counted, and the results are shown in Table 1, table 2；
(5) accuracy is calculated, day action situation is counted and qualification rate, statistical result is recorded in table 1, return step is (1).
1 primary frequency modulation of table examination record
2 primary frequency modulation of table examines number statistics
The frequency modulation duration is dead to return to primary frequency modulation to frequency departure since frequency departure is beyond primary frequency modulation dead zone
Duration within the scope of area.The frequency of Hydropower Unit Regulation dead-band is 0.05Hz, and the frequency of fired power generating unit Regulation dead-band is
0.033Hz。
Power plant's primary frequency modulation (PFR) method for real-time monitoring, by being used to calculate primary frequency modulation performance in unit DCS system
The logic function blocks such as integral, differential, realize the real-time function for monitoring of primary frequency modulation in DCS system (PFR) regulation performance, make to send out
Electric enterprise's collection control operation monitoring personnel can monitor each primary frequency modulation contributing electricity of the unit, power output extreme value and speed in real time
The performance indicators such as the rate of change are given and are paid close attention to according to the prompt for acting unqualified frequency modulation point, it is thus understood that same day primary frequency modulation is dynamic
The case where making, the relevant informations such as unqualified number.The collection control of electricity power enterprise runs monitoring personnel, makes unit according to relevant information
The adjustment of parameter achievees the purpose that improve mains frequency stability and electric power quality.
The control planning of primary frequency modulation and AGC are as follows: acted with primary frequency modulation load as Priority Control Schemes, AGC load refers to
Order is taken second place.When power grid AGC load instruction is identical as the ascending, descending load variations direction of primary frequency modulation load instruction.It is not prohibited by AGC
The variation of load instruction, AGC load instruction are superimposed primary frequency modulation load instruction as actual load instruction.When power grid AGC load refers to
When enabling contrary with the ascending, descending load variations of primary frequency modulation load instruction, AGC load instruction is kept not change, allowed primary
The variation of frequency modulation load instruction, the AGC load instruction that the superposition of primary frequency modulation load instruction is kept are instructed as actual load.
Claims (5)
1. a kind of method of power plant's primary frequency modulation real time monitoring, it is characterized in that: including the following steps:
(1) data are acquired, and the data include AGC instruction, unit hair power, primary frequency modulation action state, primary frequency modulation load in fact
Limitation, generating unit speed and frequency difference；
(2) integrated, added up and logical operation using DCS system, the content of calculating includes 15 seconds power output response indexs, 30 seconds
Power output response index and electricity contribution index；
(3) primary frequency modulation movement is executed；
(4) judge whether the actual value and theoretical value of primary frequency modulation movement meet, if meeting progress in next step, if do not met
It then shows data and prompts, calculate departure, then carry out in next step；
(5) accuracy is calculated, counts day action situation, return step is (1).
2. the method for power plant's primary frequency modulation real time monitoring according to claim 1, it is characterized in that: described 15 seconds go out force-responsive
The calculation formula of index are as follows:
In formula: Δ P15%Indicate 15 seconds power output response indexs, %；ΔP15S.maxIt indicates since frequency departure is beyond dead zone, 15 seconds
The interior practical maximum output adjustment amount of unit primary frequency modulation, MW；ΔPE.maxIndicate theoretical in unit frequency modulation duration (A0~B0)
Maximum output adjustment amount, MW；
The calculating of described 30 seconds power output response indexs:
In formula: Δ P30%Indicate 30 seconds power output response indexs, %；ΔP30S.maxIt indicates since frequency departure is beyond dead zone, 30 seconds
The interior practical maximum output adjustment amount of unit primary frequency modulation, MW；ΔPE.maxIndicate theoretical in unit frequency modulation duration (A0~B0)
Maximum output adjustment amount, MW；
The calculation formula of the electricity contribution index:
In formula: Q% indicates unit primary frequency modulation electricity contribution index, %；Δ QS indicates unit primary frequency modulation actual contribution electricity,
MW；Δ QE indicates unit primary frequency modulation theory contribution electricity, MW.
3. the method for power plant's primary frequency modulation real time monitoring according to claim 1, it is characterized in that: the primary frequency modulation acts
Process are as follows: generating set is since frequency departure is beyond dead zone, and single unit starts the variation of quick response frequency, according to each
Power output is increased accordingly from static characteristic, with the increase of the whole network unit output, frequency is gradually stable and begins to ramp up, until frequency is inclined
Difference is restored in dead zone range.
4. the method for power plant's primary frequency modulation real time monitoring according to claim 3, it is characterized in that: frequency modulation movement is held
The continuous time is to return in primary frequency modulation dead zone range to continue to frequency departure since frequency departure is beyond primary frequency modulation dead zone
Time.
5. the method for power plant's primary frequency modulation real time monitoring according to claim 3, it is characterized in that: Hydropower Unit Regulation dead-band
Frequency be 0.05Hz, the frequency of fired power generating unit Regulation dead-band is 0.033Hz.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315146A (en) * | 2021-06-02 | 2021-08-27 | 华润电力湖南有限公司 | Energy storage system frequency modulation control method, terminal and computer readable storage medium |
| 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 |
| CN113541208A (en) * | 2021-06-10 | 2021-10-22 | 华电电力科学研究院有限公司 | Coal-fired unit primary frequency modulation adjustment performance diagnosis and self-adaptive adjustment system |
| CN113595109A (en) * | 2021-09-06 | 2021-11-02 | 华北电力科学研究院有限责任公司 | Flywheel energy storage capacity configuration method and device |
| CN113839397A (en) * | 2021-03-30 | 2021-12-24 | 大唐黑龙江发电有限公司哈尔滨第一热电厂 | Primary frequency modulation auxiliary adjusting method for thermal power plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571267A (en) * | 2004-05-08 | 2005-01-26 | 上海慧能科技有限公司 | Method for measuring modulation efficiency of generating set primary frequency-modulation |
| CN102323550A (en) * | 2011-09-09 | 2012-01-18 | 西北电网有限公司 | Primary frequency modulation adjusting performance determination method of generating set |
| US20130088213A1 (en) * | 2011-10-05 | 2013-04-11 | Veris Industries, Llc | Current switch with automatic calibration |
| 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 |
| CN106300394A (en) * | 2016-11-04 | 2017-01-04 | 中国电力科学研究院 | The primary frequency modulation control method of a kind of new energy power station and system |
-
2018
- 2018-11-02 CN CN201811302083.4A patent/CN109459985A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571267A (en) * | 2004-05-08 | 2005-01-26 | 上海慧能科技有限公司 | Method for measuring modulation efficiency of generating set primary frequency-modulation |
| CN102323550A (en) * | 2011-09-09 | 2012-01-18 | 西北电网有限公司 | Primary frequency modulation adjusting performance determination method of generating set |
| US20130088213A1 (en) * | 2011-10-05 | 2013-04-11 | Veris Industries, Llc | Current switch with automatic calibration |
| 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 |
| CN106300394A (en) * | 2016-11-04 | 2017-01-04 | 中国电力科学研究院 | The primary frequency modulation control method of a kind of new energy power station and system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839397A (en) * | 2021-03-30 | 2021-12-24 | 大唐黑龙江发电有限公司哈尔滨第一热电厂 | Primary frequency modulation auxiliary adjusting method for thermal power plant |
| 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 |
| CN113315146A (en) * | 2021-06-02 | 2021-08-27 | 华润电力湖南有限公司 | Energy storage system frequency modulation control method, terminal and computer readable storage medium |
| CN113541208A (en) * | 2021-06-10 | 2021-10-22 | 华电电力科学研究院有限公司 | Coal-fired unit primary frequency modulation adjustment performance diagnosis and self-adaptive adjustment system |
| CN113541208B (en) * | 2021-06-10 | 2023-08-18 | 华电电力科学研究院有限公司 | Primary frequency modulation regulation performance diagnosis and self-adaptive regulation system for coal-fired unit |
| CN113595109A (en) * | 2021-09-06 | 2021-11-02 | 华北电力科学研究院有限责任公司 | Flywheel energy storage capacity configuration method and device |
| CN113595109B (en) * | 2021-09-06 | 2024-01-19 | 华北电力科学研究院有限责任公司 | Flywheel energy storage capacity configuration method and device |
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