CN112396338A - Step reservoir group water and electricity joint debugging system and water and electricity joint debugging method thereof - Google Patents
Step reservoir group water and electricity joint debugging system and water and electricity joint debugging method thereof Download PDFInfo
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Abstract
The invention provides a cascade reservoir group hydropower joint debugging system and a hydropower joint debugging method thereof, comprising a water regime telemetering system, a meteorological data receiving system, a water regime information exchange system and a waterpower dispatching automation system, wherein the water regime telemetering system is connected with the meteorological data receiving system, the meteorological data receiving system is connected with the water regime information exchange system, the waterpower dispatching automation system of the water regime information exchange system is connected, and the waterpower dispatching automation system comprises: the system comprises a data calculation and gate operation system, a computer monitoring system and a hydraulic dispatching automation system, wherein the size of a gate switch is calculated through data, the displacement and the generated energy are recorded through data calculation, the computer monitoring system is connected with a water regime information exchange system and the hydraulic dispatching automation system, and the computer monitoring system is used for monitoring the generated energy and the instruction operation of power station equipment. The implementation of water and electricity combined optimization scheduling is favorable for the rapid implementation of a flood control scheduling scheme and the safe flood control.
Description
Technical Field
The invention relates to the field of hydropower joint debugging, in particular to a cascade reservoir group hydropower joint debugging system and a hydropower joint debugging method thereof.
Background
The power dispatching is an effective management means which is adopted for ensuring safe and stable operation of a power grid, reliable external power supply and orderly operation of various power production works. The specific work content of power dispatching is that according to data information fed back by various information acquisition devices or information provided by monitoring personnel, the actual operation parameters of the power grid, such as voltage, current, frequency, load and the like, are combined, the development conditions of various production works are comprehensively considered, the safe and economic operation states of the power grid are judged, operation instructions are issued through a telephone or an automatic system, and field operators or automatic control systems are instructed to adjust, such as adjusting the output of a generator, adjusting load distribution, switching capacitors, reactors and the like, so that the continuous safe and stable operation of the power grid is ensured. At present, however, storage capacity of a reservoir is utilized, and storage and discharge of warehousing runoff are planned according to incoming water storage actual conditions and hydrologic forecast. Because the attention degree is lower, the power generation and flood discharge are still carried out by depending on experience at present, and the effective coupling cannot be realized by water and electricity dispatching, so that the power generation of a reservoir water power station has certain low-efficiency operation, and the requirements of various departments of national economy cannot be met. The cases of the administration rights of multiple beneficial bodies in a hydropower station reservoir group system in China are frequently seen, and an effective incremental benefit distribution mechanism is lacked in the aspects of theoretical research, practical application and the like to guarantee the development and implementation of combined scheduling.
Chinese patent CN108985660A 'a combined dispatching increment benefit distribution method for hydropower station reservoir groups with multiple benefit bodies' comprises collecting and arranging hydropower station reservoir group dispatching schemes to compile related data information; establishing and solving a hydropower station reservoir group system power generation optimization scheduling model of a hydropower station reservoir group in different alliance forms; quantitatively evaluating the power generation benefit values of all the reservoirs in different alliance forms and the hydropower station reservoir group system joint dispatching increment benefit values; establishing a joint scheduling incremental benefit distribution method based on a multi-person bargaining and price-offering game; and deducing and analyzing and solving a joint scheduling incremental benefit distribution scheme. The invention jointly dispatches hydropower station reservoir groups, but does not effectively prevent and dispatch flood.
Chinese patent CN 202705984U, "a cascade reservoir group combined flood control optimized dispatching system," automatic water regime measuring and reporting system (1), communication system (2) and automatic water regulation system (3), where the communication system (2) is connected with the automatic water regime measuring and reporting system (1) and the automatic water regulation system (3) respectively. The flood level is dynamically judged by using the flood real-time information of the automatic flood condition monitoring and reporting system, but the withered water period is not effectively scheduled.
Chinese patent CN 102817335 a "a method and system for cascade reservoir group joint flood control optimized scheduling" discloses a method and system for cascade reservoir group joint flood control optimized scheduling, the method comprises the following steps: s1, judging the flood type according to the real-time reservoir level and the flood forecast flow process; s2, deciding a primary protection object according to the flood category and the flood control standard of the downstream control point; s3, automatically selecting a flood control optimization target and a corresponding optimization scheduling model in a system model library; and S4, solving and optimizing the optimized scheduling model by using an improved genetic algorithm. The requirements of downstream protection objects and dam safety and flood reclamation are protected, but in the dry period, water resource decision can not be made on multiple reservoirs, and only experience can be adopted for judgment.
Disclosure of Invention
The invention mainly aims to provide a cascade reservoir group water and electricity joint debugging system and a water and electricity joint debugging method thereof, and solves the problems that power generation and flood discharge are carried out by experience, effective coupling cannot be realized by water and electricity dispatching, so that the power generation of a reservoir water power station has certain inefficient operation, and the requirements of various departments of national economy cannot be met.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a step reservoir crowd water and electricity joint debugging system, includes regimen remote sensing system, meteorological data receiving system, regimen information exchange system and water conservancy scheduling automatic system, and regimen remote sensing system is connected with meteorological data receiving system, and meteorological data receiving system is connected with regimen information exchange system, and regimen information exchange system water conservancy scheduling automatic system connects, and water conservancy scheduling automatic system includes: the system comprises a data calculation and gate operation system, a computer monitoring system and a hydraulic dispatching automation system, wherein the size of a gate switch is calculated through data, the displacement and the generated energy are recorded through data calculation, the computer monitoring system is connected with a water regime information exchange system and the hydraulic dispatching automation system, and the computer monitoring system is used for monitoring the generated energy and the instruction operation of power station equipment.
In the preferred scheme, the water regime remote measuring system comprises a water regime telemetry station subsystem, a water regime signaling communication subsystem and a central station integrated subsystem, wherein the water regime telemetry station subsystem is connected with the central station integrated subsystem through the water regime signaling communication subsystem.
In the preferred scheme, the central station integration subsystem comprises a computer network subsystem, data receiving and processing software, data storage and dump software, operation analysis system management software, information inquiry system software and field equipment maintenance software.
In the preferred scheme, the computer monitoring system is connected with the regimen information exchange system and the hydraulic dispatching automation system through the communication system.
In a preferred scheme, the communication system comprises an optical transmission system, a telephone communication system and a pulse code modulation system.
In the preferred scheme, the system further comprises an automatic electric energy metering system, a power plant production report system and an information publishing system, wherein the computer monitoring system is connected with the automatic electric energy metering system, the automatic electric energy metering system is connected with the power plant production report system, and the power plant production report system is connected with the information publishing system.
In a preferred scheme, the information issuing system comprises a WEB information issuing system and a short message issuing system.
The method comprises the following steps:
s1, forecasting the incoming water according to the water regime remote measuring system, and carrying out water and electricity joint debugging work by the hydraulic dispatching automation system;
s2, scheduling and operating the reservoir in a normal mode, keeping balance, enabling water to flow into a midstream reservoir from an upstream reservoir power plant for power generation, then generating power, flowing into a C reservoir for power generation, and keeping the water level of the B, C reservoir unchanged at the moment;
s3, scheduling and operating the incoming water partial-depletion reservoir: the mid-stream reservoir and the downstream reservoir are ensured to run at high water levels as much as possible, the water of the upstream reservoir is preferentially used for generating electricity, and the water level storage of the mid-stream reservoir and the downstream reservoir is supplemented;
s4, scheduling and operating the incoming water in a slightly multi-reservoir: when the water level of the upstream reservoir is normal, the upstream reservoir stores water, if too much water is supplied, the downstream reservoir firstly releases flood, when the upstream reservoir cannot store water, the midstream reservoir releases flood, the downstream reservoir simultaneously releases flood, and when the upstream reservoir cannot store water, the three upstream reservoir, the midstream reservoir and the downstream reservoir simultaneously release flood;
s5, scheduling and operating of a sudden-descent stormwater reservoir: when the upstream reservoir, the midstream reservoir and the downstream reservoir can meet the condition of not discharging flood, the flood is not discharged, the three plants in the upstream, the midstream and the downstream are fully developed, when all the units generate electricity, the water level requirements can not be met, and the downstream reservoir, the midstream reservoir and the upstream reservoir discharge the flood in sequence.
The invention provides a cascade reservoir group water and electricity joint debugging system and a water and electricity joint debugging method thereof, and the cascade reservoir group water and electricity joint debugging system has the following using effects:
(1) improves the utilization rate of water resources
The ladder adjustment reasonably controls the reservoir water levels before and during the flood season according to the inflow water situation of the drainage basin; the water storage strength is enhanced after flood season, a foundation is laid for power generation in dry seasons, and the water resource utilization rate is improved. After the cascade is completely built, the water energy utilization improvement rates of the cascade hydropower station are respectively 5.16%, 3.19%, 9.52%, 4.22% and 3.25%.
(2) Is favorable for safe flood control and flood fighting
The main task of flood control work in the drainage basin is to ensure the safety flood control of the step reservoir and simultaneously undertake the tasks of peak shifting and peak clipping with a plurality of main flow floods. The upstream reservoir and the midstream reservoir reserve flood reservoir capacity for flood control of the middle and lower reaches of the Yangtze river, and the flood control capacity of the main flow cascade is greatly improved through combined dispatching of the two reservoirs, so that the method plays a great role in peak shifting dispatching of the main flow river area. Not only the downstream edge bank can reach the flood control standard, but also the flood control pressure of a plurality of river sections in the mainstream river area is relieved. The implementation of water and electricity combined optimization scheduling is favorable for the rapid implementation of a flood control scheduling scheme and the safe flood control.
(3) Increased service awareness and ecological dispatch awareness
The ladder is matched with local requirements, and service consciousness and ecological dispatching consciousness are improved. The method of generating electricity to raise the reservoir and lower the water level and then raise the water level promotes the water flow to improve the water quality of the reservoir area, and meets the requirement of ecological dispatching. The regulation performance of the regulation reservoir in the drainage basin is effectively exerted, the flood control effect is improved, the water abandon is reduced, the generating capacity is increased, the water energy utilization rate is improved, the relations of three aspects of flood control, power generation and shipping of the cascade power station are well coordinated, the management benefit and the management level are improved, and the comprehensive benefit maximization of the drainage basin power station is realized.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a system diagram of a water and electricity joint debugging system of the invention;
FIG. 2 is a diagram of the regimen telemetry system of the present invention;
fig. 3 is a flow chart of the inventive ladder scheduling service.
Detailed Description
As shown in figures 1-3, a cascade reservoir group water and electricity joint debugging system comprises a water regime remote measuring system, a meteorological data receiving system, a water regime information exchange system and a hydraulic scheduling automation system, wherein the water regime remote measuring system is connected with the meteorological data receiving system, the meteorological data receiving system is connected with the water regime information exchange system, the water regime information exchange system is connected with the hydraulic scheduling automation system, and the hydraulic scheduling automation system comprises: the system comprises a data calculation and gate operation system, a computer monitoring system and a hydraulic dispatching automation system, wherein the size of a gate switch is calculated through data, the displacement and the generated energy are recorded through data calculation, the computer monitoring system is connected with a water regime information exchange system and the hydraulic dispatching automation system, and the computer monitoring system is used for monitoring the generated energy and the instruction operation of power station equipment. The water regime remote measuring system collects water level and rainfall data and sends the data to the meteorological data receiving system in a designated mode, the meteorological data receiving system receives and displays all meteorological information of a basin, the meteorological data calculates the water regime conditions through hydraulic dispatching automation calculation to control gate operation, a dispatcher issues and inquires gate operation instructions, and a conventional flood dispatching scheme is automatically generated according to hydrologic forecast results. And the computer monitoring system monitors the hydraulic dispatching automation system.
Computer monitoring system: the main functions of the system are as follows: data acquisition: the field data comprises analog quantity, non-electric quantity, temperature quantity, scanning input quantity, medium disconnection input quantity, digital quantity, pulse quantity, serial port communication quantity and the like, and is basically acquired by an LCU (liquid crystal Unit), and a small quantity of field data is acquired by a communication server. The sampling is divided into a fixed period and a variable period.
Comprehensive parameter statistics, calculation and analysis: and carrying out periodic, timed or calling calculation analysis according to the data acquired in real time to form various calculation databases and historical databases, and helping operators to comprehensively monitor and comprehensively manage the operation of the related power plant equipment, such as unit temperature analysis and calculation.
And (4) safety monitoring: recording the sequence of events; recording fault alarm; alarming and recording the parameter out-of-limit; electrical master device operation records; accident recall; analyzing the trend; soft copying the picture; hard copy of the picture; computer systems integrate information records, etc.
Simulating a light word plate: the light word board is the operation equipment which is familiar to the operator of the power station. The monitoring system can provide two forms of light word boards, one is arranged on the disc surface of the LCU in a hardware mode, and the other simulates the light word board in a picture mode on an upper computer workstation.
Printing and making a table: the system can randomly and automatically print various alarm sentences of various operations, accidents, faults and the like related to the operation of the power station of the recording system and the cascade, and automatically generate and automatically print various reports, all-day records, operation logs and the like at regular time or in calling mode. The system simultaneously saves the report form and the alarm historical data of one year, and can inquire and print at any time.
Automatic Generation Control (AGC): the method mainly monitors the frequency and stability limit of the system according to the requirements of the system on the cascade-related power stations, such as power regulation, frequency modulation and other operation modes, automatically controls the start and stop of the related power station unit, automatically adjusts the active power of the unit, reduces the power by low-frequency self-starting and high-frequency, lightens the labor intensity of operators, improves the power production quality, and meets the requirements of a novel power market on the power quality of a power production unit.
Automatic Voltage Control (AVC): the method mainly monitors the voltage change of the high-voltage bus according to a given control curve of the high-voltage bus of the related power station, and automatically adjusts the reactive power of a related power station unit to keep the bus voltage of the related power station within a given control curve range.
Command operation control of the power station equipment: the computer system allows operators to control the step power station equipment through manual operation, and the main instruction operations comprise: the method comprises the following steps of starting and stopping operations of a unit, switching operations of a high-voltage circuit breaker and a disconnecting switch, switching operations of a circuit breaker of an auxiliary power system, starting and stopping operations of public equipment and unit auxiliary equipment and the like. The adjusting operation comprises the following steps: the active and reactive power of the unit are adjusted, and other parameters are set and modified.
Communication: the Ethernet communication in the system adopts TCP/IP protocol and H9000 protocol. The H9000 system supports a plurality of communication protocols, such as IEC 870-5, DL476-92, CDT, Polling, etc.
Database management: the system real-time database is a network type distributed database, and all data sharing is realized through network services. The server of the system keeps a complete system real-time database and a historical database, and other points generally only keep the complete real-time database. The data of the database has various access modes, namely sequential access and direct access, and the network is transparent, so that a user does not need to consider the storage place of the data.
In the preferred scheme, the water regime remote measuring system comprises a water regime telemetry station subsystem, a water regime signaling communication subsystem and a central station integrated subsystem, wherein the water regime telemetry station subsystem is connected with the central station integrated subsystem through the water regime signaling communication subsystem. The central station integration subsystem comprises a computer network subsystem, data receiving and processing software, data storage and dump software, operation analysis system management software, information inquiry system software and field equipment maintenance software.
The system comprehensively utilizes computer, electron, communication, remote sensing, hydrology, meteorology and other multidisciplinary technologies to complete the information system for real-time collection, transmission, processing, storage management, forecasting, automatic generation of scheduling schemes and release of water information such as precipitation, water level, flow, soil evaporation, unit power generation, gate opening and closing of rivers, reservoirs and watersheds. The remote monitoring station is used for acquiring, storing and transmitting remote data. The system is generally composed of a sensor, a data acquisition unit, a communication terminal, a power supply system and auxiliary equipment.
The system mainly comprises a water regime telemetry station subsystem, a water regime signaling communication subsystem and a central station integration subsystem. And the hydrological telemetering station subsystem collects and stores water level and rainfall data in real time according to hydrological data compilation specification requirements and sends the data to the central station in a specified mode. The water regime communication subsystem uses VHF as main channel and GSM/PSTN as standby channel to transmit water regime information reliably. The central station integration subsystem comprises a computer network subsystem, data receiving and processing software, data storage and dump software, operation analysis system management software, information inquiry system software and field equipment maintenance software.
In the preferred scheme, the computer monitoring system is connected with the regimen information exchange system and the hydraulic dispatching automation system through the communication system. The communication system comprises an optical transmission system, a telephone communication system and a pulse code modulation system.
The communication system is mainly composed of an optical transmission system, a telephone communication system, a Pulse Code Modulation (PCM) system, and the like. The communication system is an indispensable important component of the power system, is the basis for realizing scheduling automation and management modernization, and is an important technical means for ensuring production safety and economic scheduling. The communication system mainly provides the requirements for communication of services such as power production, power dispatching, reservoir dispatching, automatic control and the like of the gradient power station in the Qingjiang river basin, is the basis for realizing dispatching automation and management modernization, is an important technical means for ensuring production safety and economic dispatching, and plays an important role in the aspects of power safety production, economy, stability and reliable operation.
In the preferred scheme, the system further comprises an automatic electric energy metering system, a power plant production report system and an information publishing system, wherein the computer monitoring system is connected with the automatic electric energy metering system, the automatic electric energy metering system is connected with the power plant production report system, and the power plant production report system is connected with the information publishing system. The electric energy automatic metering system counts the data, the power plant production report system generates a report, and then the data is released.
Electric energy automatic metering system: and the electric energy generated by each power plant and the electric energy transmitted by the switching station are automatically calculated. And has a statistical analysis function.
The power plant production report system: the method has the main function of generating various power production statistical reports according to requirements and providing important basis for analysis decision, electric quantity settlement and the like of power production. The electric power daily report, the monthly report and the annual report are used for counting the power supply quantity of a line, the generating capacity of a unit, the output data of the unit, the date of the last year and the date comparison value of the date of the last year and the date of the same year of hydrologic data and partial data and the like. After the power supply amount of the line, the generating capacity of the unit, the unit output data and the hydrological data are collected by the electric energy metering system and put in storage, daily newspapers can be automatically generated, and monthly newspapers and annual newspapers can be generated according to requirements.
In a preferred scheme, the information issuing system comprises a WEB information issuing system and a short message issuing system. All relevant information is displayed in a web form and is inquired and used by workers. And when the related information needs to be sent to related personnel, the related information is sent in a short message form.
Example 2
Further described in connection with example 1, a plurality of reservoirs are scheduled, this scenario illustrates A, B, C three reservoirs.
Wherein A is reservoir upstream, B is reservoir midstream, and C is reservoir downstream.
A, reservoir: normal water storage level: 400 m; the dead water level: 350 m; designing a flood level: 402.24 m flood control limit level: 391.8 meters; normal water storage level storage capacity: 43.12 billion cubic meters; reservoir regulation performance: regulation is not complete for many years.
B, reservoir: normal water storage level: 200 m; the dead water level: 160 meters; designing a flood level: 203.14 meters; flood control water level limitation: 193.6 m; normal water storage level storage capacity: 30.18 billion cubic meters; reservoir regulation performance: and (5) year regulation.
C, reservoir: normal water storage level: 80 m; the dead water level: 78 meters; designing a flood level: 80 m; flood control water level limitation: none; normal water storage level storage capacity: 4.027 billion cubic meters; reservoir regulation performance: and (4) daily regulation.
Reservoir scheduling operation in a normal mode:
the generated energy of the three power plants is converted into the flow of water or the water entering the storage to keep balance; that is, water flows into the reservoir B from the power plant of the reservoir A, then generates power and flows into the reservoir C, and the water level of the B, C reservoir is kept unchanged.
Dispatching and running of the incoming water partial-depletion reservoir:
the B, C reservoir is guaranteed to operate at a high water level as far as possible, the water of the reservoir A is preferentially used for generating electricity, and the reservoir B, C is supplemented.
The dispatching operation of a slightly multi-reservoir in water:
when the B, C reservoir water level is guaranteed to be normal, the reservoir A stores water, if too much water is supplied, the reservoir C firstly discharges flood, the reservoir B discharges flood when the reservoir B cannot store water, the reservoir C is kept to discharge flood simultaneously, and when the reservoir A cannot store water, the reservoir A, B, C simultaneously discharges flood.
And (3) scheduling and operating of a sudden-descent storm reservoir:
A. b, C when the reservoir can satisfy the condition of not discharging flood, just not discharge flood, full power generation in A, B, C three factories, when all units generate power, the water level requirement can not be satisfied yet, C, B, A reservoir discharges flood in turn.
With the structure shown in fig. 3, the flow of the qingjiang ladder dispatching business after implementing hydropower combined dispatching management is shown in fig. 3. As can be seen from fig. 3, after the hydropower combined dispatching is implemented, the ladder dispatching system can comprehensively master and feed back the watershed rain information and the real-time power dispatching information in time, reduce communication links and improve the emergency response efficiency of the real-time dispatching.
Under normal conditions, the ladder dispatching system receives dispatching instructions of the power grid and the flood prevention dispatching mechanism and executes or issues a cascade power plant to execute; when the power grid is in fault or abnormal or communication is interrupted, the power grid dispatching mechanism can directly give dispatching instructions to the cascade power plant in a step-by-step mode, as shown by a dotted line in fig. 1.
The production scheduling system currently built by the ladder modulation system comprises a ladder modulation automation system, a ladder modulation computer monitoring system, a communication transmission system, a water regime information exchange system, a water regime remote measurement system, a meteorological data receiving system, an electric power production comprehensive report system, an electric energy automatic metering and charging system, a WEB information publishing system and a short message publishing system.
The Qingjiang water information exchange system is put into use in 2013, and the information exchange mode is adopted, so that the transmission and sharing of the water and rain information between each basin and each level of water information department database are realized, the intellectualization of water information analysis and processing is improved, and the flood forecasting speed is increased.
The hydropower combined dispatching level of the cascade hydropower station is improved, and a comprehensive information working platform is constructed on the basis, so that comprehensive and reliable data support can be provided to the maximum extent, information sharing is realized, and the unified dispatching management level of the cascade hydropower station in the drainage basin is improved.
The stair-step system actively promotes the construction of a stair reservoir hydropower integrated system platform, a hydropower integrated system platform construction project is started in 2013, the platform is an intelligent platform integrating functions of stair power dispatching, reservoir dispatching and monitoring, early warning and the like, the reservoir dispatching and power generation dispatching are integrated from hardware, the construction pace of the hydropower integrated system is accelerated, the centralized control capability of the stair-step is enhanced, and the means and mechanism of centralized control operation are further perfected.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (8)
1. The utility model provides a step reservoir crowd water and electricity allies oneself with transfers system which characterized by: including regimen remote measurement system, meteorological data receiving system, regimen information exchange system and water conservancy scheduling automatic system, regimen remote measurement system is connected with meteorological data receiving system, and meteorological data receiving system is connected with regimen information exchange system, and regimen information exchange system water conservancy scheduling automatic system connects, and water conservancy scheduling automatic system includes: the system comprises a data calculation and gate operation system, a computer monitoring system and a hydraulic dispatching automation system, wherein the size of a gate switch is calculated through data, the displacement and the generated energy are recorded through data calculation, the computer monitoring system is connected with a water regime information exchange system and the hydraulic dispatching automation system, and the computer monitoring system is used for monitoring the generated energy and the instruction operation of power station equipment.
2. The cascade reservoir group water and electricity joint debugging system of claim 1, which is characterized in that: the water regime remote measuring system comprises a water regime telemetry station subsystem, a water regime signaling communication subsystem and a central station integrated subsystem, wherein the water regime telemetry station subsystem is connected with the central station integrated subsystem through the water regime signaling communication subsystem.
3. The cascade reservoir group water and electricity joint debugging system of claim 2, which is characterized in that: the central station integration subsystem comprises a computer network subsystem, data receiving and processing software, data storage and dump software, operation analysis system management software, information inquiry system software and field equipment maintenance software.
4. The cascade reservoir group water and electricity joint debugging system of claim 1, which is characterized in that: and the computer monitoring system is connected with the regimen information exchange system and the hydraulic dispatching automation system through the communication system.
5. The cascade reservoir group water and electricity joint debugging system of claim 4, which is characterized in that: the communication system comprises an optical transmission system, a telephone communication system and a pulse code modulation system.
6. The cascade reservoir group water and electricity joint debugging system of claim 1, which is characterized in that: the system also comprises an automatic electric energy metering system, a power plant production report system and an information publishing system, wherein the computer monitoring system is connected with the automatic electric energy metering system, the automatic electric energy metering system is connected with the power plant production report system, and the power plant production report system is connected with the information publishing system.
7. The cascade reservoir group water and electricity joint debugging system of claim 6, which is characterized in that: the information issuing system comprises a WEB information issuing system and a short message issuing system.
8. The method for the combined modulation of the hydropower combined modulation system of the cascade reservoir group according to any one of claims 1 to 7, which is characterized in that: the method comprises the following steps:
s1, forecasting the incoming water according to the water regime remote measuring system, and carrying out water and electricity joint debugging work by the hydraulic dispatching automation system;
s2, scheduling and operating the reservoir in a normal mode, keeping balance, enabling water to flow into a midstream reservoir from an upstream reservoir power plant for power generation, then generating power, flowing into a C reservoir for power generation, and keeping the water level of the B, C reservoir unchanged at the moment;
s3, scheduling and operating the incoming water partial-depletion reservoir: the mid-stream reservoir and the downstream reservoir are ensured to run at high water levels as much as possible, the water of the upstream reservoir is preferentially used for generating electricity, and the water level storage of the mid-stream reservoir and the downstream reservoir is supplemented;
s4, scheduling and operating the incoming water in a slightly multi-reservoir: when the water level of the upstream reservoir is normal, the upstream reservoir stores water, if too much water is supplied, the downstream reservoir firstly releases flood, when the upstream reservoir cannot store water, the midstream reservoir releases flood, the downstream reservoir simultaneously releases flood, and when the upstream reservoir cannot store water, the three upstream reservoir, the midstream reservoir and the downstream reservoir simultaneously release flood;
s5, scheduling and operating of a sudden-descent stormwater reservoir: when the upstream reservoir, the midstream reservoir and the downstream reservoir can meet the condition of not discharging flood, the flood is not discharged, the three plants in the upstream, the midstream and the downstream are fully developed, when all the units generate electricity, the water level requirements can not be met, and the downstream reservoir, the midstream reservoir and the upstream reservoir discharge the flood in sequence.
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