WO2014155656A1 - Système de commande de production d'énergie à débit soutenu, procédé de commande de production d'énergie à débit soutenu, programme de commande de production d'énergie à débit soutenu, et installation de production d'énergie à débit soutenu - Google Patents

Système de commande de production d'énergie à débit soutenu, procédé de commande de production d'énergie à débit soutenu, programme de commande de production d'énergie à débit soutenu, et installation de production d'énergie à débit soutenu Download PDF

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Publication number
WO2014155656A1
WO2014155656A1 PCT/JP2013/059478 JP2013059478W WO2014155656A1 WO 2014155656 A1 WO2014155656 A1 WO 2014155656A1 JP 2013059478 W JP2013059478 W JP 2013059478W WO 2014155656 A1 WO2014155656 A1 WO 2014155656A1
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WO
WIPO (PCT)
Prior art keywords
power generation
flow rate
water level
turbine
pump
Prior art date
Application number
PCT/JP2013/059478
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English (en)
Japanese (ja)
Inventor
正憲 平岡
中村　聡
Original Assignee
中国電力株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 中国電力株式会社 filed Critical 中国電力株式会社
Priority to PCT/JP2013/059478 priority Critical patent/WO2014155656A1/fr
Priority to JP2015507862A priority patent/JP5872734B2/ja
Publication of WO2014155656A1 publication Critical patent/WO2014155656A1/fr

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    • 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
    • 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
    • F03B15/02—Controlling by varying liquid flow
    • F03B15/04—Controlling by varying liquid flow of turbines
    • F03B15/06—Regulating, i.e. acting automatically
    • F03B15/08—Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow
    • 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
    • F03B15/02—Controlling by varying liquid flow
    • F03B15/04—Controlling by varying liquid flow of turbines
    • F03B15/06—Regulating, i.e. acting automatically
    • F03B15/14—Regulating, i.e. acting automatically by or of water level
    • 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

Definitions

  • the present invention relates to a maintenance flow rate power generation control system, a maintenance flow rate power generation control method, a maintenance flow rate power generation control program, and a maintenance flow rate power generation facility. Specifically, the present invention relates to a maintenance flow rate power generation control program. The present invention relates to a maintenance flow power generation technology that enables operation and secures efficient power generation and a maintenance flow rate.
  • ⁇ ⁇ ⁇ Pump reverse turbine type generator is used as a generator that can be introduced and operated at low cost.
  • This reverse pump turbine generator is used as a generator by guiding water flow to a commonly used pump (swirl pump or axial flow pump) and rotating the pump in the opposite direction to normal operation. is there.
  • a commonly used pump switching pump or axial flow pump
  • the same parts as the pump can be used, so the introduction cost is low, and because the number of parts is small, maintenance and inspection are easy and maintenance costs are low.
  • a pump reverse turbine type generator for example, a pump reverse turbine connected to a pipe connecting a water supply unit and a water supply unit, and a rotating shaft connected to the main shaft of the pump reverse turbine.
  • a generator a flow rate detection means provided in the pipeline on the water supply side of the pump reverse rotation turbine, and a flow rate downstream of the pump reverse rotation turbine based on the flow rate detected by the flow rate detection means.
  • a pump reverse turbine type power generation facility see Patent Document 1 including a control means for controlling the rotation speed of the pump reverse turbine so that the flow rate of the pipe is constant.
  • the pump reverse turbine type generator described above generally does not have a guide vane for controlling the inflow amount like a turbine in a normal hydroelectric generator, and is generally operated at a constant output.
  • a pump-reversed turbine generator When such a pump-reversed turbine generator is installed in the discharge path of the dam (path for returning the water used in the power generation facility to the river) and the maintenance flow power generation is performed, the inflow will change greatly due to fluctuations in the dam water level, The power generation efficiency is likely to decrease, and the amount of water used may fluctuate due to the fluctuation characteristics of the generator, resulting in intermittent shortage of the maintenance flow rate.
  • the main object of the present invention is to provide a maintenance flow power generation technique that enables operation at a constant flow rate in response to fluctuations in the water level in the dam, and enables efficient power generation and maintenance of the maintenance flow rate.
  • the water level of a dam where water for power generation in the maintenance flow power generation facility is taken in, and the discharge flow rate in the maintenance flow generation facility operating at the relevant water level become a predetermined reference value.
  • the storage device for storing the control data that defines the relationship with the rotational speed of the pump reverse rotation turbine in this case, and the measured value of the water level gauge of the dam is collated with the control data, and the discharge flow rate at the relevant water level is predetermined.
  • a calculation device that specifies the rotation speed to be a reference value and instructs the control device of the pump reverse rotation turbine to operate at the specified rotation speed.
  • a maintenance flow power generation facility equipped with a pump reversing turbine by controlling the rotational speed of the pump reversing turbine according to a wide range of heads ranging from low to high depending on the dam water level, that is, the amount of supplied water It is possible to maintain the discharge flow rate from a predetermined value (above the specified value of the maintenance flow rate).
  • This effect is achieved without the need to install a flow adjustment valve (same function as a guide vane in a typical water turbine) on the pump reverse rotation turbine.
  • the pump reverse rotation turbine rotates at a low speed with a low head and rotates at a high speed with a high head. Efficient driving becomes possible by driving with. Therefore, efficient power generation and maintenance flow rate can be ensured by operating at a constant flow rate in response to fluctuations in the water level at the dam.
  • the predetermined reference value of the discharge flow rate in the control data of the above-described maintenance flow power generation control system may be a value obtained by adding the time fluctuation range of the amount of water used in the pump reverse rotation turbine to the specified maintenance flow rate value. Good. According to this, even if the amount of water used fluctuates due to the so-called fluctuation characteristics of the generator, the amount of water used in the pump reverse rotation turbine falls within the maintenance flow rate and the above-mentioned reference value, and intermittently as in the past. Occurrence of a situation where the maintenance flow rate is insufficient can be avoided.
  • the arithmetic unit in the maintenance flow power generation control system described above determines whether the data obtained from the predetermined device corresponds to a predetermined value outside the operation range of the pump reverse rotation turbine, and the data is the value of the pump reverse rotation turbine.
  • the normally closed on-off valve mechanism provided at the branching point of the bypass discharge passage among the hydraulic pipes supplying water to the pump reverse rotation turbine is instructed to open in a predetermined time, and the on-off valve mechanism
  • the normally open on-off valve mechanism provided in the water supply port to the pump reverse rotation turbine in the hydraulic line may be instructed to close in a predetermined time.
  • the water flow in the hydraulic line is gradually changed by operating the on-off valve mechanism. It is possible to stop the pump reversing turbine after moving to the bypass discharge channel, and keep the pump reversing turbine running and maintained as originally while the water flow in the hydraulic line gradually moves to the bypass discharge channel.
  • the flow rate can be secured.
  • the maintenance flow power generation control system can handle the case where the power generation load on the maintenance flow power generation facility suddenly decreases due to disconnection of the overhead line, that is, the rotation load of the pump reverse rotation turbine of the maintenance flow generation facility suddenly decreases. is there.
  • a maintenance flow power generation control system that obtains such a suddenly decreased load value from a predetermined measuring device is the same as described above when the load value corresponds to a predetermined value that indicates a predetermined operation range of the pump reverse turbine. After the water flow of the hydraulic line is gradually moved to the bypass discharge channel by operating the on-off valve mechanism, it is possible to stop the pump reverse rotation turbine, and the water flow of the hydraulic line is gradually transferred to the bypass discharge channel A maintenance flow rate can be secured in between.
  • the maintenance flow power generation control method of the present invention is a pump in which the water level of the dam where water for power generation in the maintenance flow power generation facility is taken and the discharge flow rate in the maintenance flow generation facility operating at the relevant water level becomes a predetermined reference value.
  • An information processing device having a storage device for storing control data that defines the relationship with the rotational speed of the reverse rotation turbine collates the measured value of the dam water level gauge with the control data, and releases it at the relevant water level.
  • the rotation speed at which the flow rate becomes a predetermined reference value is specified, and a process for instructing the control device for the pump reverse rotation turbine to operate at the specified rotation speed is executed.
  • the maintenance flow power generation control program of the present invention is a pump in which the water level of the dam where water for power generation in the maintenance flow power generation facility is taken and the discharge flow rate in the maintenance flow generation facility operating at the relevant water level become a predetermined reference value.
  • the measured value of the dam water level gauge is compared with the control data in an information processing device having a storage device for storing control data that defines the relationship with the rotational speed of the reverse rotation turbine, and released at the relevant water level.
  • the rotational speed at which the flow rate becomes a predetermined reference value is specified, and processing for instructing the control device for the pump reverse rotation turbine to execute operation at the specified rotational speed is executed.
  • the maintenance flow power generation facility of the present invention includes a pump reverse rotation turbine that rotates upon receiving water supply for the maintenance flow rate from the dam, a generator connected to a rotation shaft of the pump reverse rotation turbine, and rotation of the pump reverse rotation turbine.
  • Control that defines the relationship between the control device that adjusts the speed, the water level of the dam, and the rotational speed of the pump reverse turbine when the discharge flow rate at the maintenance flow power generation facility operating at the water level reaches a predetermined reference value
  • the storage device for storing the data for use and the measured value at the water level gauge of the dam are compared with the control data, the rotational speed at which the discharge flow rate becomes the predetermined reference value at the relevant water level, and the identified rotation
  • a maintenance flow rate power generation control system including an arithmetic unit that instructs the control device of the pump reverse rotation turbine to operate at a speed.
  • the maintenance flow rate power generation control system of the present invention it is possible to operate efficiently at a constant flow rate in response to fluctuations in the water level in the dam, thereby ensuring efficient power generation and maintenance flow rate.
  • FIG. 1 is a diagram illustrating the concept of the maintenance flow rate power generation control system 100 of the present embodiment.
  • the maintenance flow rate power generation facility 1 to be controlled by the maintenance flow rate power generation control system 100 is a facility that generates power using water for the maintenance flow rate discharged from the dam 2 to the river 20.
  • the specified maintenance flow is the river 20 as the minimum flow required to maintain the ecosystem such as animals and plants and human activities such as fishing, water transportation and tourism. It is necessary to return to. Therefore, the maintenance flow rate power generation control system 100 according to the present embodiment controls the above-described maintenance flow rate power generation facility 1 to ensure a prescribed maintenance flow rate and discharge it to the river 20 while performing efficient power generation. .
  • the maintenance flow power generation facility 1 includes a pump reversing turbine 3 and a generator 4 connected to the rotating shaft of the pump reversing turbine 3.
  • the pump reversing water turbine 3 is connected via a water pressure line 7 extending from the reservoir area of the dam 2 and a water inlet 8 and receives water supplied from the water pressure line 7.
  • the water supplied from the water pressure line 7 to the pump reversing turbine 3 is filled in the casing, presses the runner vanes, and rotates them.
  • the rotating shaft is rotated by the rotating operation of the runner vane, and power is generated by the generator 4 connected to the rotating shaft.
  • the electricity generated by the generator 4 is transmitted to the power system 16 via the converter 14 and the inverter 15.
  • the grid interconnection by the converter 14 and the inverter 15 can reduce the influence on the power system 16.
  • the rotation speed of the pump reverse rotation turbine 3 is controlled by the control device 6.
  • the control device 6 controls the frequency of the current supplied to the output generating winding provided in the stator or the magnetic field generating winding provided in the rotor to the generator 4 connected to the pump reversing turbine 3. As a result, the rotational speed of the generator 4 and thus the rotational speed of the pump reverse rotation turbine 3 are controlled.
  • the water used in the pump reversing turbine 3 flows into the water discharge channel 12 and is discharged to the river 20 through the water discharge channel 12.
  • the water inlet 8 is provided with a normally open on / off valve mechanism 11, which is changed from a fully open state to a closed state by opening / closing the on / off valve according to an instruction from the maintenance flow rate power generation control system 100 to the on / off valve mechanism 11. It is possible to transition to any state between.
  • the water pressure line 7 is provided with a branch point upstream from the water inlet 8, that is, between the pump reverse rotation turbine 3 and the dam 2, and finally joins the water discharge channel 12 from the branch point.
  • a bypass discharge channel 9 reaching the river 20 is provided at the end.
  • the above-mentioned branch point is provided with a normally-closed on-off valve mechanism 10, which can be arbitrarily set between a closed state and a fully-open state by opening / closing the on-off valve according to an instruction from the maintenance flow rate power generation control system 100 to the on-off valve mechanism 10. It is possible to transition to the state.
  • the bypass discharge channel 9 is a hydraulic pipe, for example, when the dam water level drops to a level outside the operating range of the pump reversing turbine 3 or when the power generation load on the maintenance flow rate power generation facility 1 suddenly decreases due to disconnection of the overhead wire, etc.
  • the water flow in the path 7 becomes a bypass path that bypasses the pump reverse turbine 3 and directly flows into the water discharge path 12.
  • the on-off valve mechanisms 10 and 11 include, for example, a plurality of combined valve bodies that move in the inside of the pipe body such as the hydraulic pipe line 7 and valves that move the valve bodies to close or fully open the inside of the pipe body. An existing technology in which the body drive mechanism is integrated may be adopted.
  • the on-off valve mechanisms 10 and 11 are connected to the maintenance flow rate power generation control system 100 by appropriate wiring or network, and can receive an instruction of opening / closing operation from the maintenance flow rate power generation control system 100.
  • a water level meter 5 is installed in the water storage area of the dam 2 and is connected to the maintenance flow rate power generation control system 100 through an appropriate network.
  • a flow meter 13 is installed at least in the water discharge channel 12 downstream of the pump reverse turbine 3 and is connected to the maintenance flow rate power generation control system 100 through an appropriate network.
  • FIG. 2 is a diagram illustrating a hardware configuration example of the maintenance flow rate power generation control system 100 of the present embodiment.
  • the maintenance flow power generation control system 100 includes a storage device 101 configured by a suitable non-volatile storage device such as a hard disk drive, a memory 103 configured by a volatile storage device such as a RAM, and a program 102 held in the storage device 101.
  • a storage device 101 configured by a suitable non-volatile storage device such as a hard disk drive
  • a memory 103 configured by a volatile storage device such as a RAM
  • a program 102 held in the storage device 101.
  • the communication device 105 is responsible for communication processing with other devices such as 13.
  • the storage device 101 stores at least control data 125 in addition to the program 102 for implementing functions necessary for the maintenance flow rate power generation control system 100 of the present embodiment.
  • This control data 125 is a pump reverse turbine in the case where the water level of the dam 2 where water for power generation in the maintenance flow power generation facility 1 is taken and the discharge flow rate in the maintenance flow generation facility 1 operating at the relevant water level becomes a predetermined reference value.
  • 3 is a table that defines the relationship with the rotational speed of 3. A specific example of the control data 125 will be described later.
  • the storage device 101 further stores operation range data 126 indicating the operation range of the pump reverse rotation turbine 3.
  • the operation range data 126 is, for example, data indicating a dam water level value range in which the pump reverse rotation turbine 3 can be operated or a rotational speed range in which the pump reverse rotation turbine 3 can be operated.
  • the maintenance flow power generation control system 100 of the present embodiment collates the measured value of the water level gauge 5 of the dam 2 with the control data 125, specifies the rotational speed at which the discharge flow rate becomes the predetermined reference value at the relevant water level, A function of instructing the control device 6 of the pump reverse rotation turbine 3 to operate at the specified rotational speed is provided.
  • the maintenance flow rate power generation control system 100 uses the predetermined maintenance flow value as a predetermined reference value of the discharge flow rate in the above-described control data 125 held in the storage device 101, and the time fluctuation range of the used water amount in the pump reverse rotation turbine 3. It is preferable to store a value obtained by adding.
  • the maintenance flow power generation control system 100 determines whether the data obtained from the predetermined devices such as the water level meter 5 and the flow meter 13 described above corresponds to a value outside the operation range of the pump reverse rotation turbine 3 set in advance.
  • the normally closed on-off valve mechanism 10 provided at the branch discharge passage 9 of the hydraulic conduit 7 for supplying water to the pump reverse rotation turbine 3
  • a predetermined time is given to the normally-open on-off valve mechanism 11 provided in the water supply port 8 to the pump reverse rotation turbine 3 in the hydraulic line 7. It is preferable to have a function of instructing a closing operation at.
  • control data 125 includes the water level of the dam where water for power generation in the maintenance flow power generation facility is taken, and the rotational speed of the pump reverse rotation turbine when the discharge flow rate in the maintenance flow generation facility operating at the relevant water level becomes a predetermined reference value. This data defines the relationship.
  • the control data 125 includes the water level of the dam 2 and the pump reversing turbine 3 for each flow rate value that is a predetermined reference value of the discharge flow rate from the maintenance flow power generation facility 1 to the river 20.
  • the table defines the correspondence with the rotation speed.
  • FIG. 3A shows the rotational speed of the pump reverse turbine 3 at each dam water level when the discharge flow rate is constant at 0.8 m 3 / s.
  • FIG. 3B shows that the discharge flow rate is constant at 0.6 m 3 / s.
  • FIG. 3C shows a case where the discharge flow rate is constant at 0.9 m 3 / s.
  • FIG. 3D shows a graph of each control data 125 shown in FIGS.
  • the discharge flow rate in the control data 125 is a value obtained by adding the time fluctuation width (so-called fluctuation characteristics of the generator) of the amount of water used in the pump reverse rotation turbine 3 to the specified maintenance flow rate value. .
  • FIG. 4 is a flowchart showing a procedure example of the maintenance flow rate power generation control method of the present embodiment.
  • the arithmetic unit 101 of the maintenance flow power generation control system 100 acquires the measured value of the dam water level from the water level meter 5 installed in the water storage area of the dam 2 via the communication means 105 (s100).
  • the arithmetic unit 104 of the maintenance flow rate power generation control system 100 converts this measured value into a predetermined water level value indicating the outside of the operation range of the pump reverse rotation turbine 3 (operation range data 126 of the pump reverse rotation turbine 3 that is stored in the storage device 101 in advance). It collates (s101), and it is determined whether the dam water level is outside the operation range of the pump reverse rotation turbine 3 (s102).
  • the arithmetic unit 104 of the maintenance flow power generation control system 100 collates the measured value of the dam water level with the control data 125 (s103). Note that the control data 125 stored in the storage device 101 exists for each discharge flow to be maintained, but the control data 125 that is a target for collation of the measured value of the dam water level is specified in advance by the user. To do.
  • the calculation device 104 of the maintenance flow rate power generation control system 100 uses the measured value of the dam water level illustrated in FIG. 3A.
  • the data 125 is collated. For example, when the measured value of the dam water level is “9.0”, it can be specified from the control data 125 that the rotational speed of the pump reverse rotation turbine 3 should be “380”.
  • the calculation device 104 of the maintenance flow rate power generation control system 100 sets the rotational speed at which the discharge flow rate becomes the predetermined reference value 0.8 m 3 / s at the relevant water level “9.0” to “380” by the matching process in the above-described step s101.
  • the operation at the identified rotational speed is specified (s104), and the control device 6 of the pump reverse turbine 3 is instructed (s105).
  • control device 6 of the pump reversing turbine 3 receives the operation instruction at the rotational speed “380” from the maintenance flow rate power generation control system 100 and fixes the generator 4 connected to the pump reversing turbine 3 to the fixing device 4.
  • the frequency of the current supplied to the output generating winding provided in the child or the magnetic field generating winding provided in the rotor is controlled, and the rotational speed of the generator 4 and thus the rotational speed of the pump reverse turbine 3 is controlled (s106). ).
  • Such a control method may be an existing one.
  • the arithmetic unit 104 of the maintenance flow rate power generation control system 100 uses the flow meter 13 installed in the discharge channel 12 downstream of the pump reverse rotation turbine 3 to A measurement value relating to the flow rate may be acquired, and it may be determined whether the measurement value satisfies the predetermined reference value 0.8 m 3 / s of the discharge flow rate described above. If it is determined that the flow rate of the discharge channel 12 satisfies a predetermined reference value of the discharge rate, the arithmetic unit 104 of the maintenance flow rate power generation control system 100 stands by as it is.
  • the arithmetic unit 104 of the maintenance flow rate power generation control system 100 determines the pump reverse turbine 3 specified from the control data 125. The rotational speed is decreased by a predetermined rate, and the flow rate of the water discharge channel 12 is increased appropriately. The arithmetic unit 104 of the maintenance flow rate power generation control system 100 repeatedly executes such processing until the flow rate of the discharge channel 12 satisfies a predetermined reference value of the discharge rate.
  • step s104 the pump reverse turbine 3 in the maintenance flow rate power generation facility 1 maintains the operation state at a constant rotational speed, but the measurement value of the dam water level from the water level gauge 4 is acquired,
  • the process of determining whether the water level is outside the operating range of the pump reverse rotation turbine 3 (s101, s102) is executed at regular intervals.
  • FIG. 5 shows a timing chart corresponding to the operation status of the on-off valve mechanisms 10 and 11.
  • the arithmetic unit 104 of the maintenance flow rate power generation control system 100 receives the notification that the on-off valve mechanism 10 is fully opened from the above-described on-off valve mechanism 10 and supplies it to the water supply port 8 in the hydraulic line 7.
  • the normally open on-off valve mechanism 11 is instructed to close in a predetermined time (s109).
  • the on-off valve mechanism 11 that has received this instruction shifts the valve to the fully closed state over a predetermined time (s110).
  • the water that has been branched from the hydraulic line 7 to the pump reverse turbine 3 and the bypass discharge channel 9 completely bypasses the pump reverse turbine 3 by the bypass discharge channel 9 and flows directly into the discharge channel 12. Will do.
  • the pump reverse turbine is operated as it is while the water flow in the hydraulic line 7 is gradually transferred to the bypass discharge flow path 8, and a maintenance flow rate can be secured even during such processing. It becomes.
  • the maintenance flow rate power generation control system 100 can cope.
  • the arithmetic unit 104 of the maintenance flow rate power generation control system that obtains such a suddenly decreased load value from a predetermined measuring device, the load value is outside the predetermined operating range of the pump reverse turbine 3 as in step s102 described above. It is determined whether it corresponds to the specified value.
  • the water flow in the hydraulic line 7 is gradually bypassed by operating the on-off valve mechanisms 10 and 11 as in steps s107 to s110 described above. After moving to the discharge channel 9, the pump reverse rotation turbine 3 is stopped. Also in this case, a prescribed maintenance flow rate can be secured as the flow rate of the water discharge channel 12 while the water flow of the hydraulic pressure line 7 is gradually transferred to the bypass discharge channel 9.
  • the maintenance flow rate power generation control system of the present embodiment it is possible to operate at a constant flow rate in response to fluctuations in the water level in the dam, and to ensure efficient power generation and maintenance flow rate. .

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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 Water Turbines (AREA)

Abstract

La présente invention vise à permettre le fonctionnement de la production d'énergie à débit soutenu à un débit constant en réponse à des fluctuations de niveau d'eau sur une digue, et à apporter la possibilité de garantir une production d'énergie efficace et un débit soutenu. L'invention concerne un système de commande de production d'énergie à débit soutenu (100), qui comprend : un dispositif de stockage (101) destiné à stocker des données de commande (125), dans lequel une relation est établie entre le niveau d'eau d'une digue (2), dans laquelle l'eau pour la production d'énergie est introduite dans une installation de production d'énergie à débit soutenu (1), et la vitesse de rotation d'une turbine de pompe à marche inverse (3) lorsque le volume de décharge dans l'installation de production d'énergie à débit soutenu (1) pendant le fonctionnement au niveau d'eau atteint une valeur standard prédéterminée ; et un dispositif de calcul (104) destiné à référencer la valeur mesurée au niveau de la jauge de niveau d'eau (5) de la digue (2) par rapport aux données de commande (125), spécifier la vitesse de rotation à laquelle le volume de décharge atteint la valeur standard prédéterminée au niveau d'eau, et ordonner à l'unité de commande (6) de la turbine de pompe à marche inverse (3) de fonctionner à la vitesse de rotation spécifiée.
PCT/JP2013/059478 2013-03-29 2013-03-29 Système de commande de production d'énergie à débit soutenu, procédé de commande de production d'énergie à débit soutenu, programme de commande de production d'énergie à débit soutenu, et installation de production d'énergie à débit soutenu WO2014155656A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2013/059478 WO2014155656A1 (fr) 2013-03-29 2013-03-29 Système de commande de production d'énergie à débit soutenu, procédé de commande de production d'énergie à débit soutenu, programme de commande de production d'énergie à débit soutenu, et installation de production d'énergie à débit soutenu
JP2015507862A JP5872734B2 (ja) 2013-03-29 2013-03-29 維持流量発電制御システム、維持流量発電制御方法、維持流量発電制御プログラム、および維持流量発電設備

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PCT/JP2013/059478 WO2014155656A1 (fr) 2013-03-29 2013-03-29 Système de commande de production d'énergie à débit soutenu, procédé de commande de production d'énergie à débit soutenu, programme de commande de production d'énergie à débit soutenu, et installation de production d'énergie à débit soutenu

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016098782A (ja) * 2014-11-26 2016-05-30 東北小水力発電株式会社 小水力発電システム
CN106609237A (zh) * 2015-10-27 2017-05-03 盛司潼 具有平台结构的试剂工作站
JP2018119545A (ja) * 2017-01-23 2018-08-02 ダイキン工業株式会社 水力発電システム

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JP2016098782A (ja) * 2014-11-26 2016-05-30 東北小水力発電株式会社 小水力発電システム
CN106609237A (zh) * 2015-10-27 2017-05-03 盛司潼 具有平台结构的试剂工作站
JP2018119545A (ja) * 2017-01-23 2018-08-02 ダイキン工業株式会社 水力発電システム
JP7022275B2 (ja) 2017-01-23 2022-02-18 ダイキン工業株式会社 水力発電システム

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