CN106208144A - A kind of based on receiving wind power measuring method under regional power grid constant load - Google Patents
A kind of based on receiving wind power measuring method under regional power grid constant load Download PDFInfo
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- CN106208144A CN106208144A CN201610735001.XA CN201610735001A CN106208144A CN 106208144 A CN106208144 A CN 106208144A CN 201610735001 A CN201610735001 A CN 201610735001A CN 106208144 A CN106208144 A CN 106208144A
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- power
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- regional power
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
Abstract
The invention discloses a kind of based on receiving wind power measuring method under regional power grid constant load, solve existing regional power grid and receive the technical problem that wind power measuring and calculating is unreasonable, credibility is poor.The present invention has considered region load peak-valley difference, region power transmission/received power to be affected wind-powered electricity generation by the electricity factor such as demand and peak-valley difference, the peak modulation capacity of dissimilar generating set, up/down spinning reserve capacity；The wind-powered electricity generation calculated by above method receives power more objective, true, accurate, technical support is provided for management and running, effectively prevent fired power generating unit start and stop peak regulation, strength has ensured the safe and stable operation of electrical network, has also improved the economic benefit of electricity power enterprise simultaneously.
Description
Technical field
Patent of the present invention relates to the measuring method that can receive wind-power electricity generation power under a kind of regional power grid constant load.
Background technology
Owing to the output of wind-driven generator has randomness, intermittent feature, when wind-driven generator is incorporated into
During existing regional power grid, regional power grid is on the premise of certain load, it is necessary to reserved enough peak regulation nargin, is incorporated to receive
The power of the wind-driven generator of regional power grid, with ensure regional power grid when low ebb load, wind-power electricity generation power and regional power grid
In other the electricity consumption total load power of generated output summation and regional power grid keep balance, along with wind-powered electricity generation proportion in regional power grid
Be continuously increased, wind-powered electricity generation on above-mentioned power keep balance impact the most increasing.The wind power of regional power grid receives ability
Influenced by many factors, such as: region load peak-valley difference, region power transmission power/by electrical power and peak-valley difference thereof, dissimilar
The impact of the factors such as the peak modulation capacity of group of motors, up/down spinning reserve capacity.But the regional power grid wind power carried out at present connects
Capability Measurement of receiving is factors above to carry out rough estimation by rule of thumb or only considers the impact of wherein certain several factor mostly, leads
Causing wind-powered electricity generation receives power credibility poor, and regional power grid wind power is received unreasonable, even when low ebb load, needs start and stop fire
Group of motors carries out peak regulation, poses a big pressure with electricity power enterprise to power scheduling, has a strong impact on the safety and stability fortune of regional power grid
OK.
Summary of the invention
The invention provides a kind of based on receiving wind power measuring method under regional power grid constant load, solve existing
Regional power grid receives the technical problem that wind power measuring and calculating is unreasonable, credibility is poor.
The present invention is to solve above technical problem by the following technical programs:
A kind of based on receiving wind power measuring method under regional power grid constant load, comprise the following steps: the first step, wind-force is sent out
Motor is linked in regional power grid, obtains the basic generated output of (unless thermal power plant unit is outer) all kinds of electromotors in regional power grid,
Including: wind power foundation power, photovoltaic crew base power, conventional hydropower crew base power, pump-storage generator basis
Generated output, thermal power plant unit base power；
Second step, obtain that power is sent on the peak load of regional power grid, the peak of regional power grid outside, the peak of regional power grid rotates standby
With capacity, regional power grid peak in by power, first the peak of the peak load of regional power grid, regional power grid is sent outside power and
The peak spinning reserve capacity of regional power grid is added, and by power in peak that is that will add up and that deduct regional power grid, obtains region
Electrical network Peak power use workload demand；
3rd step, deduct wind power foundation power, photovoltaic crew base merit successively with regional power grid Peak power use workload demand
After rate, conventional hydropower crew base power, pump-storage generator basis generated output, thermal power plant unit base power, obtain non-confession
The generated output of heat engine group；
4th step, the difference of the peak regulation rate deducting non-thermal power plant unit by the peak load of regional power grid are multiplied by sending out of non-thermal power plant unit
Electrical power obtains the generated output lower limit of non-thermal power plant unit；The peak regulation rate of thermal power plant unit is deducted by the peak load of regional power grid
Difference be multiplied by thermal power plant unit basis generated output and obtain the generated output lower limit of thermal power plant unit；Pump-storage generator basis is sent out
Electrical power is converted into pump-storage generator basis and draws water power；
5th step, by the generated output lower limit of non-thermal power plant unit plus the generated output lower limit of thermal power plant unit, the sum obtained
Deduct pump-storage generator basis to draw water power, obtain the generated output lower limit of regional power grid；
6th step, deducting the peak-valley ratio of the peak load of regional power grid by the peak load of regional power grid, the difference obtained is taken advantage of
With the peak load of regional power grid, obtain the low ebb load of regional power grid；Regional power grid is deducted by the peak load of regional power grid
Peak send the peak-valley ratio of power outside, the difference obtained is multiplied by the peak of regional power grid sends power outside, obtains regional power grid
Low ebb sends power outside；Deduct the peak-valley ratio by power in the peak of regional power grid by the peak load 1 of regional power grid, obtain
Difference is multiplied by the peak of regional power grid by power, obtains in the low ebb of regional power grid by power；
7th step, send the low ebb load of regional power grid outside power plus the low ebb of regional power grid, that obtain and deduct region electricity
By power in the low ebb of net, then deduct the low ebb spinning reserve capacity of regional power grid, obtain the low ebb workload demand of regional power grid；
8th step, the low ebb workload demand of regional power grid is deducted the generated output lower limit of regional power grid, obtain regional power grid
Wind-powered electricity generation receive power.
The present invention considered region load peak-valley difference, region power transmission/by electricity demand and peak-valley difference, dissimilar
Wind-powered electricity generation is received the impact of power by the factors such as the peak modulation capacity of group of motors, up/down spinning reserve capacity；Calculated by above method
The wind-powered electricity generation gone out receives power more objective, true, accurate, provides technical support for management and running, effectively prevent fired power generating unit
Start and stop peak regulation, strength has ensured the safe and stable operation of electrical network, has also improved the economic benefit of electricity power enterprise simultaneously.
Accompanying drawing explanation
Fig. 1 is the graph of a relation between regional power grid Peak power use load and peak generating set generated output；
Fig. 2 is the graph of a relation between regional power grid valley power consumption load and low ebb generating set generated output.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
A kind of based on receiving wind power measuring method under regional power grid constant load, comprise the following steps: the first step, wind-force is sent out
Motor is linked in regional power grid, obtains the basic generated output of (unless thermal power plant unit is outer) all kinds of electromotors in regional power grid,
Including: wind power foundation power 6, photovoltaic crew base power 7, conventional hydropower crew base power 8, pump-storage generator base
Plinth generated output 9, thermal power plant unit base power 10；
Second step, obtain that power 2 is sent on the peak load 1 of regional power grid, the peak of regional power grid outside, the peak of regional power grid rotates
Spare capacity 3, regional power grid peak in by power 4, first send the peak of the peak load of regional power grid, regional power grid outside merit
The peak spinning reserve capacity of rate and regional power grid is added, and by power in peak that is that will add up and that deduct regional power grid, obtains
Regional power grid Peak power use workload demand 5；
3rd step, deduct wind power foundation power 6, photovoltaic crew base successively with regional power grid Peak power use workload demand 5
After power 7, conventional hydropower crew base power 8, pump-storage generator basis generated output 9, thermal power plant unit base power 10,
Generated output 11 to non-thermal power plant unit；
4th step, the difference of the peak regulation rate deducting non-thermal power plant unit by the peak load 1 of regional power grid are multiplied by non-thermal power plant unit
Generated output 11 obtains the generated output lower limit 19 of non-thermal power plant unit；Thermal power plant unit is deducted by the peak load 1 of regional power grid
The difference of peak regulation rate be multiplied by thermal power plant unit basis generated output 10 and obtain the generated output lower limit 20 of thermal power plant unit；Draw water
Accumulation of energy crew base generated output 9 is converted into pump-storage generator basis and draws water power 17；
5th step, by the generated output lower limit 19 of non-thermal power plant unit plus the generated output lower limit 20 of thermal power plant unit, obtain
And deduct pump-storage generator basis and draw water power 17, obtain the generated output lower limit 18 of regional power grid；
6th step, deducting the peak-valley ratio of the peak load of regional power grid by the peak load 1 of regional power grid, the difference obtained is taken advantage of
With the peak load 1 of regional power grid, obtain the low ebb load 12 of regional power grid；Region is deducted by the peak load 1 of regional power grid
The peak-valley ratio of power is sent on the peak of electrical network outside, and the difference obtained is multiplied by the peak of regional power grid sends power 2 outside, obtains region electricity
The low ebb of net sends power 13 outside；The peak-valley ratio by power in the peak of regional power grid is deducted by the peak load 1 of regional power grid,
The difference obtained is multiplied by the peak of regional power grid by power 4, obtains in the low ebb of regional power grid by power 14；
7th step, send the low ebb load 12 of regional power grid outside power 13 plus the low ebb of regional power grid, that obtain and deduct district
By power 14 in the low ebb of territory electrical network, then deduct the low ebb spinning reserve capacity 15 of regional power grid, obtain the low ebb of regional power grid
Workload demand 16；
8th step, the low ebb workload demand 16 of regional power grid is deducted the generated output lower limit 18 of regional power grid, obtain region
The wind-powered electricity generation of electrical network receives power.
Claims (1)
1., based on receiving a wind power measuring method under regional power grid constant load, comprise the following steps:
The first step, wind-driven generator is linked in regional power grid, obtains the basis generating merit of all kinds of electromotors in regional power grid
Rate, including: wind power foundation power (6), photovoltaic crew base power (7), conventional hydropower crew base power (8), draw water
Accumulation of energy crew base generated output (9), thermal power plant unit base power (10)；
Second step, the acquisition peak load (1) of regional power grid, the peak of regional power grid send power (2), the peak of regional power grid outside
Spinning reserve capacity (3), regional power grid peak in by power (4), first by the peak load of regional power grid, the height of regional power grid
Peak is sent the peak spinning reserve capacity of power and regional power grid outside and is added, by merit in peak that is that will add up and that deduct regional power grid
Rate, obtains regional power grid Peak power use workload demand (5)；
3rd step, deduct wind power foundation power (6), photovoltaic unit successively with regional power grid Peak power use workload demand (5)
Base power (7), conventional hydropower crew base power (8), pump-storage generator basis generated output (9), thermal power plant unit basis
After power (10), obtain the generated output (11) of non-thermal power plant unit；
4th step, the difference of the peak regulation rate deducting non-thermal power plant unit by the peak load (1) of regional power grid are multiplied by non-thermal power plant unit
Generated output (11) obtain the generated output lower limit (19) of non-thermal power plant unit；Deduct by the peak load (1) of regional power grid
The difference of the peak regulation rate of thermal power plant unit is multiplied by thermal power plant unit basis generated output (10) and obtains the generated output lower limit of thermal power plant unit
Value (20)；Pump-storage generator basis generated output (9) is converted into pump-storage generator basis and draws water power (17)；
5th step, by the generated output lower limit (19) of non-thermal power plant unit plus the generated output lower limit (20) of thermal power plant unit,
That obtain and deduct pump-storage generator basis and draw water power (17), obtain the generated output lower limit (18) of regional power grid；
6th step, deduct the peak-valley ratio of the peak load of regional power grid by the peak load (1) of regional power grid, the difference obtained
It is multiplied by the peak load (1) of regional power grid, obtains the low ebb load (12) of regional power grid；By the peak load (1) of regional power grid
The peak-valley ratio of power is sent on the peak deducting regional power grid outside, and the difference obtained is multiplied by the peak of regional power grid sends power (2) outside,
The low ebb obtaining regional power grid sends power (13) outside；Deduct by the peak load 1 of regional power grid in the peak of regional power grid by merit
The peak-valley ratio of rate, the difference obtained is multiplied by the peak of regional power grid by power (4), obtains in the low ebb of regional power grid by merit
Rate (14)；
7th step, send the low ebb load (12) of regional power grid outside power (13) plus the low ebb of regional power grid, that obtain and subtract
Go in the low ebb of regional power grid by power (14), then deduct the low ebb spinning reserve capacity (15) of regional power grid, obtain region electricity
The low ebb workload demand (16) of net；
8th step, the low ebb workload demand (16) of regional power grid is deducted the generated output lower limit (18) of regional power grid, obtain
The wind-powered electricity generation of regional power grid receives power.
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| CN201610735001.XA CN106208144B (en) | 2016-08-28 | 2016-08-28 | One kind is based on receiving wind power measuring method under regional power grid constant load |
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| CN201610735001.XA CN106208144B (en) | 2016-08-28 | 2016-08-28 | One kind is based on receiving wind power measuring method under regional power grid constant load |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305001A (en) * | 2018-01-26 | 2018-07-20 | 国网辽宁省电力有限公司 | The dispatching method of urgent regulatory domain in New-energy power system |
| CN108365637A (en) * | 2018-01-23 | 2018-08-03 | 中国南方电网有限责任公司 | A kind of power transmission plan and draw water energy storing and electricity generating plan optimization method and system |
| CN112398176A (en) * | 2020-11-05 | 2021-02-23 | 贵州电网有限责任公司 | Day-ahead optimized scheduling method of water-fire-wind mutual aid system considering start-stop peak regulation of coal-fired unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593853A (en) * | 2012-02-27 | 2012-07-18 | 东北电力大学 | Energy storage system capacity configuration optimizing method capable of enhancing wind power receiving capacity |
-
2016
- 2016-08-28 CN CN201610735001.XA patent/CN106208144B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593853A (en) * | 2012-02-27 | 2012-07-18 | 东北电力大学 | Energy storage system capacity configuration optimizing method capable of enhancing wind power receiving capacity |
Non-Patent Citations (3)
| Title |
|---|
| 沙志成等: "基于调峰平衡的山东电网接纳风电能力分析", 《中国工程咨询》 * |
| 陈亚军等: "基于调峰能力的陕西电网接纳风电能力分析", 《陕西电力》 * |
| 韩小琪等: "从系统调峰角度评估电网接纳风电能力", 《中国电力》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365637A (en) * | 2018-01-23 | 2018-08-03 | 中国南方电网有限责任公司 | A kind of power transmission plan and draw water energy storing and electricity generating plan optimization method and system |
| CN108365637B (en) * | 2018-01-23 | 2021-07-13 | 中国南方电网有限责任公司 | Power transmission plan and water pumping energy storage power generation plan optimization method and system |
| CN108305001A (en) * | 2018-01-26 | 2018-07-20 | 国网辽宁省电力有限公司 | The dispatching method of urgent regulatory domain in New-energy power system |
| CN108305001B (en) * | 2018-01-26 | 2023-05-26 | 国网辽宁省电力有限公司 | Scheduling method of emergency regulation domain in new energy power system |
| CN112398176A (en) * | 2020-11-05 | 2021-02-23 | 贵州电网有限责任公司 | Day-ahead optimized scheduling method of water-fire-wind mutual aid system considering start-stop peak regulation of coal-fired unit |
| CN112398176B (en) * | 2020-11-05 | 2022-07-05 | 贵州电网有限责任公司 | Day-ahead optimized scheduling method of water-fire-wind mutual aid system considering start-stop peak regulation of coal-fired unit |
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| CN106208144B (en) | 2019-01-11 |
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