CN108005843B - A kind of pump-storage generator dispatching method - Google Patents
A kind of pump-storage generator dispatching method Download PDFInfo
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- CN108005843B CN108005843B CN201711188065.3A CN201711188065A CN108005843B CN 108005843 B CN108005843 B CN 108005843B CN 201711188065 A CN201711188065 A CN 201711188065A CN 108005843 B CN108005843 B CN 108005843B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims description 50
- 238000004891 communication Methods 0.000 claims description 16
- 238000009472 formulation Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
-
- 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
- Y02E10/20—Hydro energy
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of pump-storage generator dispatching methods, this method comprises: the 1. upper and lower reservoir real time water levels of detection；2. according to the adjustment for the upper and lower reservoir real time water level Numerical Implementation unit operating condition that step 1 detection obtains.A kind of pump-storage generator dispatching method of the invention, consider the real time water level situation of practical upper storage reservoir, lower storage reservoir, by comparing the size between the numerical value of reservoir level up and down of acquisition and the high and low water level different stalls value of setting, different scheduling strategies is set for different comparison results, it can ensure that the water level of upper and lower reservoir is constantly in reasonable level, realize meet electric system peak-frequency regulation demand and power plant safety, stable operation, surrounding natural environment it is gentle between balance, so that operation plan more closing to reality, easy to carry out.
Description
Technical field
The present invention relates to a kind of pump-storage generator dispatching method, especially one kind can be realized power supply and demand and natural ring
The pump-storage generator dispatching method balanced between border is stable.
Background technique
Key of the pump-storage generator as electric system peak-frequency regulation, safe and stable operation are particularly important.It is general
The power output degree of logical generating set is only limited by its nominal output, and normal load is to the degree of electricity needs also only by its volume
Determine the limitation of power.However, pump-storage generator is in actual operation, its volume as generator or load when is not only considered
Power or power are made, and is influenced by its own built environment, it will also be by the containing for making it run the reservoir of work.
The speciality that existing scheduling mode is not directed to pump-storage generator itself is designed, and does not also account for reality
The influence that border water level runs pump-storage generator will lead to the instruction for occurring cannot achieve in this way, such as require water-storage
Unit issues electric power, but practical due to not having the case where water resource pump-storage generator can not generate electricity, and there is also possibility
It will lead to the instruction of flood around, such as require pump-storage generator to issue electric power, but practical since water storage is excessively constantly sent out
Electricity will will lead to water level more than dykes and dams to cause the flood of ambient enviroment.
Summary of the invention
Therefore, in view of the above-mentioned problems, the present invention provides a kind of pump-storage generator dispatching method, by considering actually
The real time water level situation of reservoir, lower storage reservoir can not only meet the equilibrium of supply and demand of electric system, but also can ensure upper and lower
The water level of reservoir is constantly in reasonable level, to ensure the safety of power plant, and also protects the natural ecology of surrounding simultaneously
Environment.
In order to achieve the above object, the invention proposes a kind of pump-storage generator dispatching methods, this method comprises:
1. sensed water level；
2. realizing machine unit scheduling according to water level.
The present invention is by comparing big between the numerical value of reservoir level up and down of acquisition and the high and low water level different stalls value of setting
It is small, different scheduling strategies is set for different comparison results, realizes and meets electric system peak-frequency regulation demand and power plant
Balance between safe and stable operation, surrounding natural environment are gentle, so that operation plan more closing to reality, easy to carry out.
Detailed description of the invention
Fig. 1 is the flow chart of pump-storage generator dispatching method.
Specific embodiment
Embodiment one.
Referring to Figure 1.
A kind of pump-storage generator dispatching method, this method comprises:
1. sensed water level；
2. realizing machine unit scheduling according to water level.
Water level refers to the water level of reservoir.There are two the reservoirs of hydroenergy storage station, and one is upper storage reservoir, the other is being lauched
Library.Unit generally includes the different unit of multiple rated capacities.Realize the measurement of water level so that measurement using various ways
As a result accurate, such as host computer water level monitoring system, hydraulic observation profession net, manually now measure.
Embodiment two.
A kind of pump-storage generator dispatching method, this method comprises:
1. sensed water level；
1.1 detection upper storage reservoir water levels, obtain upper storage reservoir water level real time value U；
1.2 detections are lauched reservoir level, obtain being lauched reservoir level real time value L；
2. realizing machine unit scheduling according to water level；
2.1 judge upper storage reservoir water level real time value U whether in preset UH1 between UL1, wherein UH1 be upper water
Library high water level primary alerts water level, and UL1 is that upper storage reservoir low water level primary alerts water level, if it is, according to actual schedule demand
Realize that unit operates in pumping operation mode or generating operation mode；If not, i.e. U >=UH1 or U≤UL1, then judge that upper storage reservoir water level is real
When numerical value U whether be more than or equal to UH1, if it is implementation steps 2.1.1, otherwise goes to step 2.1.2；
2.1.1 judge whether upper storage reservoir water level real time value U is less than upper storage reservoir high water level middle rank alarm water level UH2, if
It is, then implementation steps 2.1.1.1；If it is not, then it is ultimate to judge whether upper storage reservoir water level real time value U is less than upper storage reservoir high water level
Water level UHH is alerted, if it is, implementation steps 2.1.1.2；If it is not, then making all units in pumping operation mode at once
It is out of service；
2.1.1.1 it is alerted to scheduling report upper storage reservoir high water level primary and pays attention to the unit quantity in pumping operation mode, often
Every first time cycle T 1 and dispatching communication, scheduling issues the operation plan of formulation, controls unit according to operation plan；
The size of first time cycle T 1 should be inversely proportional with the unit quantity in pumping operation mode, i.e., if there is more
Unit is in pumping operation mode simultaneously, then needs more frequent and dispatching communication；
Operation plan include by original place in the order out of service of one or more units of pumping operation mode, by original place in pumping
One or more units of water condition are changed to the order of generating operation mode；
2.1.1.2 make an original place out of service in the unit of pumping operation mode immediately, then every second time period
T2 makes an original place out of service in the unit of pumping operation mode, until all original places are in the wholly off fortune of unit of pumping operation mode
Row；
The size of second time period T2 should be inversely proportional with the unit quantity in pumping operation mode, i.e., if there is more
Unit is in pumping operation mode simultaneously, then needs more frequent to make unit out of service；
2.1.2 judge whether upper storage reservoir water level real time value U is greater than upper storage reservoir low water level middle rank alarm water level UL2, if
It is, then implementation steps 2.1.2.1；If it is not, then it is ultimate to judge whether upper storage reservoir water level real time value U is greater than upper storage reservoir low water level
Water level ULL is alerted, if it is, implementation steps 2.1.2.2；If it is not, then making all units in generating operation mode at once
It is out of service；
2.1.2.1 it is alerted to scheduling report upper storage reservoir low water level primary and pays attention to the unit quantity in generating operation mode, often
Every third period of time T 3 and dispatching communication, scheduling issues the operation plan of formulation, controls unit according to operation plan；
The size of third period of time T 3 should be inversely proportional with the unit quantity in generating operation mode, i.e., if there is more
Unit is in generating operation mode simultaneously, then needs more frequent and dispatching communication；
Operation plan include by original place in the order out of service of one or more units of generating operation mode, by original place in hair
One or more units of electrician's condition are changed to the order of pumping operation mode；
2.1.2.2 make an original place out of service in the unit of generating operation mode immediately, then every the 4th time cycle
T4 makes an original place out of service in the unit of generating operation mode, until all original places are in the wholly off fortune of unit of generating operation mode
Row；
The size of 4th period of time T 4 should be inversely proportional with the unit quantity in generating operation mode, i.e., if there is more
Unit is in generating operation mode simultaneously, then needs more frequent to make unit out of service；2.2 judgements are lauched reservoir level real time value
L whether preset LH1 between LL1 and be not equal to flood discharge water level, wherein LH1 be lower storage reservoir high water level primary alert
Water level, LL1 is that lower storage reservoir low water level primary alerts water level, if it is, realizing that unit operates in pumping according to actual schedule demand
Water condition or generating operation mode；If not, i.e. L >=LH1 or L≤LL1, then judgement is lauched whether reservoir level real time value L is greater than
Equal to LH1, if it is implementation steps 2.2.1, otherwise goes to step 2.2.2；
2.2.1 judgement is lauched whether reservoir level real time value L is less than lower storage reservoir high water level middle rank alarm water level LH2, if
It is, then implementation steps 2.2.1.1；If it is not, then judgement is lauched reservoir level real time value L, whether to be less than lower storage reservoir high water level ultimate
Water level LHH is alerted, if it is, implementation steps 2.2.1.2；If it is not, then making all units in generating operation mode at once
It is out of service；
2.2.1.1 it is alerted to scheduling report lower storage reservoir high water level primary and pays attention to the unit quantity in generating operation mode, often
Every the 5th period of time T 5 and dispatching communication, scheduling issues the operation plan of formulation, controls unit according to operation plan；
The size of 5th period of time T 5 should be inversely proportional with the unit quantity in generating operation mode, i.e., if there is more
Unit is in generating operation mode simultaneously, then needs more frequent and dispatching communication；
Operation plan include by original place in the order out of service of one or more units of generating operation mode, by original place in hair
One or more units of electrician's condition are changed to the order of pumping operation mode；
2.2.1.2 make an original place out of service in the unit of generating operation mode immediately, then every the 6th time cycle
T6 makes an original place out of service in the unit of generating operation mode, until all original places are in the wholly off fortune of unit of generating operation mode
Row；
The size of 6th period of time T 6 should be inversely proportional with the unit quantity in generating operation mode, i.e., if there is more
Unit is in generating operation mode simultaneously, then needs more frequent to make unit out of service；
2.2.2 judgement is lauched whether reservoir level real time value L is greater than lower storage reservoir low water level middle rank alarm water level LL2, if
It is, then implementation steps 2.2.2.1；If it is not, then judgement is lauched reservoir level real time value L, whether to be greater than lower storage reservoir low water level ultimate
Water level LLL is alerted, if it is, implementation steps 2.2.2.2；If it is not, then making all units in pumping operation mode at once
It is out of service；
2.2.2.1 it is alerted to scheduling report lower storage reservoir low water level primary and pays attention to the unit quantity in pumping operation mode, often
Every the 7th period of time T 7 and dispatching communication, scheduling issues the operation plan of formulation, controls unit according to operation plan；
The size of 7th period of time T 7 should be inversely proportional with the unit quantity in pumping operation mode, i.e., if there is more
Unit is in pumping operation mode simultaneously, then needs more frequent and dispatching communication；
Operation plan include by original place in the order out of service of one or more units of pumping operation mode, by original place in pumping
One or more units of water condition are changed to the order of generating operation mode；
2.2.2.2 make an original place out of service in the unit of pumping operation mode immediately, then every the 8th time cycle
T8 makes an original place out of service in the unit of pumping operation mode, until all original places are in the wholly off fortune of unit of pumping operation mode
Row；
The size of 8th period of time T 8 should be inversely proportional with the unit quantity in pumping operation mode, i.e., if there is more
Unit is in pumping operation mode simultaneously, then needs more frequent to make unit out of service.
Embodiment three.
With embodiment two the difference is that, implement to make immediately an original place in draw water/unit of generating operation mode stops
When only running, need that the maximum unit of rated capacity is selected to realize.
It should be noted that the above content is combine specific embodiment made for the present invention further specifically
It is bright, and it cannot be said that a specific embodiment of the invention is only limitted to this, under above-mentioned guidance of the invention, those skilled in the art can
To carry out various improvement and deformations on the basis of the above embodiments, and these are improved or deformation falls in protection model of the invention
In enclosing.
Claims (6)
1. a kind of pump-storage generator dispatching method, which is characterized in that this method comprises:
1. sensed water level；
1.1 detection upper storage reservoir water levels, obtain upper storage reservoir water level real time value U；
1.2 detections are lauched reservoir level, obtain being lauched reservoir level real time value L；
2. realizing machine unit scheduling according to water level；
2.1 judge upper storage reservoir water level real time value U whether in preset UH1 between UL1, wherein UH1 is that upper storage reservoir is high
Water level primary alerts water level, and UL1 is that upper storage reservoir low water level primary alerts water level, if it is, realizing according to actual schedule demand
Unit operates in pumping operation mode or generating operation mode；If not, i.e. U >=UH1 or U≤UL1, then judge that upper storage reservoir water level counts in real time
Whether value U is more than or equal to UH1, if it is implementation steps 2.1.1, otherwise goes to step 2.1.2；
2.1.1 judge whether upper storage reservoir water level real time value U is less than upper storage reservoir high water level middle rank alarm water level UH2, if it is,
Implementation steps 2.1.1.1；If it is not, then judging whether upper storage reservoir water level real time value U is less than the ultimate alarm of upper storage reservoir high water level
Water level UHH, if it is, implementation steps 2.1.1.2；If it is not, then stopping all units in pumping operation mode
Operation；
2.1.1.1 it is alerted to scheduling report upper storage reservoir high water level primary and pays attention to the unit quantity in pumping operation mode, Mei Ge
A period of time T1 and dispatching communication, scheduling issue the operation plan of formulation, control unit according to operation plan；
The size of first time cycle T 1 should be inversely proportional with the unit quantity in pumping operation mode, i.e., if there is more unit
It is in pumping operation mode simultaneously, then needs more frequent and dispatching communication；
Operation plan include by original place in the order out of service of one or more units of pumping operation mode, by original place in work of drawing water
One or more units of condition are changed to the order of generating operation mode；
2.1.1.2 make an original place out of service in the unit of pumping operation mode immediately, then make every second time period T2
It is out of service in the unit of pumping operation mode to obtain an original place, until all original places are in the wholly off operation of unit of pumping operation mode；
The size of second time period T2 should be inversely proportional with the unit quantity in pumping operation mode, i.e., if there is more unit
It is in pumping operation mode simultaneously, then needs more frequent to make unit out of service；
2.1.2 judge whether upper storage reservoir water level real time value U is greater than upper storage reservoir low water level middle rank alarm water level UL2, if so,
Then implementation steps 2.1.2.1；If it is not, then judging whether upper storage reservoir water level real time value U is greater than the ultimate announcement of upper storage reservoir low water level
Alert water level ULL, if it is, implementation steps 2.1.2.2；If it is not, then making all to stop in the unit of generating operation mode at once
Only run；
2.1.2.1 it is alerted to scheduling report upper storage reservoir low water level primary and pays attention to the unit quantity in generating operation mode, Mei Ge
Three period of time T 3 and dispatching communication, scheduling issue the operation plan of formulation, control unit according to operation plan；
The size of third period of time T 3 should be inversely proportional with the unit quantity in generating operation mode, i.e., if there is more unit
It is in generating operation mode simultaneously, then needs more frequent and dispatching communication；
Operation plan include by original place in the order out of service of one or more units of generating operation mode, by original place in power generation work
One or more units of condition are changed to the order of pumping operation mode；
2.1.2.2 make an original place out of service in the unit of generating operation mode immediately, then make every the 4th period of time T 4
It is out of service in the unit of generating operation mode to obtain an original place, until all original places are in the wholly off operation of unit of generating operation mode；
The size of 4th period of time T 4 should be inversely proportional with the unit quantity in generating operation mode, i.e., if there is more unit
It is in generating operation mode simultaneously, then needs more frequent to make unit out of service；
2.2 judgements be lauched reservoir level real time value L whether in preset LH1 between LL1 and not equal to flood discharge water level,
In, LH1 is that lower storage reservoir high water level primary alerts water level, and LL1 is lower storage reservoir low water level primary alarm water level, if it is, according to
Actual schedule demand realizes that unit operates in pumping operation mode or generating operation mode；If not, i.e. L >=LH1 or L≤LL1, then judge
It is lauched whether reservoir level real time value L is more than or equal to LH1, if it is implementation steps 2.2.1, otherwise goes to step 2.2.2；
2.2.1 judgement is lauched whether reservoir level real time value L is less than lower storage reservoir high water level middle rank alarm water level LH2, if so,
Then implementation steps 2.2.1.1；If it is not, then judgement is lauched whether reservoir level real time value L is less than the ultimate announcement of lower storage reservoir high water level
Alert water level LHH, if it is, implementation steps 2.2.1.2；If it is not, then making all to stop in the unit of generating operation mode at once
Only run；
2.2.1.1 it is alerted to scheduling report lower storage reservoir high water level primary and pays attention to the unit quantity in generating operation mode, Mei Ge
Five period of time T 5 and dispatching communication, scheduling issue the operation plan of formulation, control unit according to operation plan；
The size of 5th period of time T 5 should be inversely proportional with the unit quantity in generating operation mode, i.e., if there is more unit
It is in generating operation mode simultaneously, then needs more frequent and dispatching communication；
Operation plan include by original place in the order out of service of one or more units of generating operation mode, by original place in power generation work
One or more units of condition are changed to the order of pumping operation mode；
2.2.1.2 make an original place out of service in the unit of generating operation mode immediately, then make every the 6th period of time T 6
It is out of service in the unit of generating operation mode to obtain an original place, until all original places are in the wholly off operation of unit of generating operation mode；
The size of 6th period of time T 6 should be inversely proportional with the unit quantity in generating operation mode, i.e., if there is more unit
It is in generating operation mode simultaneously, then needs more frequent to make unit out of service；
2.2.2 judgement is lauched whether reservoir level real time value L is greater than lower storage reservoir low water level middle rank alarm water level LL2, if so,
Then implementation steps 2.2.2.1；If it is not, then judgement is lauched whether reservoir level real time value L is greater than the ultimate announcement of lower storage reservoir low water level
Alert water level LLL, if it is, implementation steps 2.2.2.2；If it is not, then making all to stop in the unit of pumping operation mode at once
Only run；
2.2.2.1 it is alerted to scheduling report lower storage reservoir low water level primary and pays attention to the unit quantity in pumping operation mode, Mei Ge
Seven period of time T 7 and dispatching communication, scheduling issue the operation plan of formulation, control unit according to operation plan；
The size of 7th period of time T 7 should be inversely proportional with the unit quantity in pumping operation mode, i.e., if there is more unit
It is in pumping operation mode simultaneously, then needs more frequent and dispatching communication；
Operation plan include by original place in the order out of service of one or more units of pumping operation mode, by original place in work of drawing water
One or more units of condition are changed to the order of generating operation mode；
2.2.2.2 make an original place out of service in the unit of pumping operation mode immediately, then make every the 8th period of time T 8
It is out of service in the unit of pumping operation mode to obtain an original place, until all original places are in the wholly off operation of unit of pumping operation mode；
The size of 8th period of time T 8 should be inversely proportional with the unit quantity in pumping operation mode, i.e., if there is more unit
It is in pumping operation mode simultaneously, then needs more frequent to make unit out of service.
2. pump-storage generator dispatching method according to claim 1, which is characterized in that the water level in the step 1 is
Refer to the water level of reservoir.
3. pump-storage generator dispatching method according to claim 2, which is characterized in that the reservoir include upper storage reservoir and
Lower storage reservoir.
4. pump-storage generator dispatching method according to claim 3, which is characterized in that the unit includes rated capacity
2 or more different units.
5. pump-storage generator dispatching method according to claim 4, which is characterized in that use host computer water level monitoring system
System realizes the detection of water level.
6. pump-storage generator dispatching method according to claim 5, which is characterized in that also use hydraulic observation profession net
Realize the detection of water level.
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| CN101761444A (en) * | 2009-12-09 | 2010-06-30 | 深圳市宾利达智能科技有限公司 | Energy-storage hydroelectric generation system |
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| CN104756833A (en) * | 2015-03-27 | 2015-07-08 | 江苏大学 | Distributed gravity irrigation photovoltaic system for layer water lifting and energy storage |
| CN105556112A (en) * | 2013-08-22 | 2016-05-04 | 重力发电有限责任公司 | System and method for storing energy |
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- 2017-11-24 CN CN201711188065.3A patent/CN108005843B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761444A (en) * | 2009-12-09 | 2010-06-30 | 深圳市宾利达智能科技有限公司 | Energy-storage hydroelectric generation system |
| WO2011122892A2 (en) * | 2010-04-01 | 2011-10-06 | Kim Han Joong | Power generating apparatus which improves energy efficiency |
| CN102242686A (en) * | 2010-05-10 | 2011-11-16 | 国家海洋局第二海洋研究所 | Power generating method and power generating system |
| CN105556112A (en) * | 2013-08-22 | 2016-05-04 | 重力发电有限责任公司 | System and method for storing energy |
| CN104124708A (en) * | 2014-07-25 | 2014-10-29 | 国家电网公司 | Coordinative optimization unit combination method of energy |
| CN104756833A (en) * | 2015-03-27 | 2015-07-08 | 江苏大学 | Distributed gravity irrigation photovoltaic system for layer water lifting and energy storage |
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