CN110344989A - A kind of waterpower multicomputer generated output regulation method and apparatus - Google Patents
A kind of waterpower multicomputer generated output regulation method and apparatus Download PDFInfo
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- CN110344989A CN110344989A CN201910616430.9A CN201910616430A CN110344989A CN 110344989 A CN110344989 A CN 110344989A CN 201910616430 A CN201910616430 A CN 201910616430A CN 110344989 A CN110344989 A CN 110344989A
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Classifications
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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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention relates to a kind of waterpower multicomputer generated outputs to regulate and control method and apparatus, this method comprises: step 1, acquires the electric signal of load, which includes the value and waveform of voltage and current；Step 2, corresponding bearing power deviation is calculated according to the electric signal of load, which is load demand power and the deviation for loading actual power；Step 3, according to load demand power, power is adjusted in conjunction with the unit that power plant production plan and instantaneous operating conditions distribute each unit.Realize that the information between load end and the end that generates electricity is isolated, directly the generated output of hydro-generating Unit is regulated and controled by the electricity function index of load end, it realizes Power auto-adjustment and the control of more water generating units, is reasonably optimizing generated energy, save water resource and effectively reference is provided.
Description
Technical field
The present invention relates to generation technology and control technology field, be related to a kind of waterpower multicomputer generated output regulation method and
Device.
Background technique
In modern power plant, many generating sets are usually filled with, these generating sets are all parallel runnings.?
In large-scale electric system, and many power plants are together in parallel, can be adjusted generate electricity according to different power loads in this way
The number of units of Parallel sets in factory, the maintenance of reasonable arrangement unit.Or according to Various Seasonal, such as arranging thermal power generation the dry season more
Factory's operation, in the multiple electricity of wet season hydraulic power plant, makes full use of the natural resources, reduces cost of electricity-generating energetically.Due to many hairs
Power plant's parallel running, electrical network capacity is big, therefore to the matter of the disturbance of the reliability of power supply, reduction voltage and frequency, raising electric energy
Amount has higher technical requirement.
And power plant power control traditional at present, it is often based upon the electricity function index of power generation end or sending end, tool
There is the shortcomings that control lag, do not account for load quickly changes the influence controlled for generated output, so as to cause carrying out
During power generation, generated output and the power required for load of generating set are not being mutually matched in complete meaning.
Difference power between this generated output and bearing power will lead to the rising or decline of power system network voltage, cause be
The fluctuation of system voltage.On the other hand, the frequency that generated output will lead to generating set with bearing power mismatch disturbs, and makes
At the decline of electric power networks power supply quality and Supply Security.In addition, the disturbance of frequency of supply can derive more harmonic wave, no
Power supply validity is only influenced, while biggish interference can be caused to the carrier communication inside electric system.
At generating set end, the frequency regulation function as possessed by the hydraulic turbine of hydroelectric generator is extremely limited, when outer
The frequency disturbance value in portion can be such that the connecting shaft torque between the hydraulic turbine and generator significantly increases, band more than after certain limit
Carry out the risk that generating set loss increases and mechanical structure is destroyed, therefore proposes a kind of reasonable more hydro-generating Units hair
The regulation method of electrical power has a very important significance.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of waterpower multicomputer generated output regulation method
And device.
The technical scheme to solve the above technical problems is that a kind of waterpower multicomputer generated output regulates and controls method,
The described method includes:
Step 1, the electric signal of load is acquired, the electric signal includes the value and waveform of voltage and current；
Step 2, corresponding bearing power deviation is calculated according to the electric signal of the load, the bearing power deviation is
The deviation of load demand power and load actual power；
Step 3, according to the load demand power, each machine is distributed in conjunction with power plant production plan and instantaneous operating conditions
The unit of group adjusts power.
A kind of waterpower multicomputer generated output regulation device, described device include the load end acquisition dress by network connection
It sets, transformation station processing unit and power station processing unit；
The load end acquisition device includes the current transformer for being set to the load end distribution transformer low-pressure side of monitoring
With busbar voltage terminal, the electric signal for acquiring the monitoring load is sent to transformation station processing unit, the electric signal packet
Include the value and waveform of voltage and current；
The transformation station processing unit is sent out according to the bearing power deviation that the electric signal calculates the corresponding load
The power station processing unit is given, the bearing power deviation is load demand power and the deviation for loading actual power；
The power station processing unit is according to the bearing power deviation of the load, in conjunction with power plant production plan and in real time
Power plant working condition distributes the adjustment power of each unit.
The beneficial effects of the present invention are: a kind of waterpower multicomputer generated output provided by the invention regulates and controls method and apparatus,
The information that can be achieved between load end and the end that generates electricity is isolated, directly by the electricity function index of load end to hydro-generating Unit
Generated output regulated and controled, realize Power auto-adjustment and the control of more water generating units, be reasonably optimizing generated energy, section
About water resource provides effectively reference.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the process that the bearing power deviation is calculated in the step 2 includes:
Step 201, the value and waveform of the voltage and current in two periods of the load are recorded；
Step 202, according to the value of the voltage and current and waveshape load actual power and load impedance；
Step 203, the load demand power is calculated according to the load impedance and supply standard；
Step 204, that the bearing power is calculated according to the load demand power and the load actual power is inclined
Difference.
The data of the bearing power deviation are added after the bearing power deviation is calculated in the step 2
It is close, the reproduction bearing power deviation is decoded after transmitting by Internet of Things.
The step 3 includes:
Step 301, according to the bearing power deviation and transmission losses coefficient estimate generated output deviation；
Step 302, according to the generated output deviation and actual power state computation power generation needs power；
Step 303, generated output is distributed according to the pro-jobs grade of each unit and actual working state.
After the step 3 further include:
Step 4, according to the adjustment power control hydraulic turbine and magnet exciting coil of each unit, the hair of the unit is adjusted
Active power and reactive power out.
Beneficial effect using above-mentioned further scheme is a kind of waterpower multicomputer generated output regulation provided by the invention
Method and apparatus, in combination with Internet of Things technology, according to the electric property of load end, respectively to the voltage of load end, current sensor
Watt level required for acquisition loads and factor value, demand power, reality after being calculated using load end data processor
The numerical value such as border power, power deviation are sent to power generation end by the way of Internet of Things, and power generation end is according to the spy of generating set itself
Power generation operation amount, is distributed to different generating sets by power data required for property and load end in a manner of a kind of fixation,
Each generating set carries out the regulation and control of output power according to the power generation data received, can be realized more generating sets
Overall power generation amount and the automatic Synthesis adjustment for using load, can fully ensure that power supply quality, and save human and material resources, financial resources,
And implementation method is simple and easy, is Power auto-adjustment and the control of water generating unit, reasonably optimizing generated energy saves water conservancy
Resource provides effectively reference.
Detailed description of the invention
Fig. 1 is the flow chart that a kind of waterpower multicomputer generated output provided by the invention regulates and controls method；
Fig. 2 is the flow chart for the embodiment that a kind of waterpower multicomputer generated output provided by the invention regulates and controls method；
Fig. 3 is a kind of structural block diagram of waterpower multicomputer generated output regulation device provided by the invention；
Fig. 4 is that a kind of embodiment of waterpower multicomputer generated output regulation device provided by the invention handles the process of information
Schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1, load end acquisition device, 2, transformation station processing unit, 3, power station processing unit.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
It is as shown in Figure 1 a kind of flow chart of waterpower multicomputer generated output regulation method provided by the invention, it can by Fig. 1
Know, this method comprises:
Step 1, the electric signal of load is acquired.
The electric signal includes the value and waveform of voltage and current.
Step 2, corresponding bearing power deviation is calculated according to the electric signal of load.
The bearing power deviation is load demand power and the deviation for loading actual power.
Step 3, according to load demand power, each unit is distributed in conjunction with power plant production plan and instantaneous operating conditions
Unit adjusts power.
A kind of waterpower multicomputer generated output regulation method provided by the invention is, it can be achieved that between load end and power generation end
Information isolation, directly regulates and controls the generated output of hydro-generating Unit by the electricity function index of load end, realizes more
The Power auto-adjustment of water generating unit and control are reasonably optimizing generated energy, save water resource and provide effectively reference.
Embodiment 1
Embodiment 1 provided by the invention is the implementation that a kind of waterpower multicomputer generated output provided by the invention regulates and controls method
Example, Fig. 2 are the flow chart for the embodiment that a kind of waterpower multicomputer generated output provided by the invention regulates and controls method.
Step 1, the electric signal of load is acquired.
The electric signal includes the value and waveform of voltage and current.
Step 2, corresponding bearing power deviation is calculated according to the electric signal of load.
The bearing power deviation is load demand power and the deviation for loading actual power.
The process that the bearing power deviation is calculated in step 2 includes:
Step 201, the value and waveform of the voltage and current in two periods of load are recorded.
The time in two periods is generally 40ms.
Step 202, according to the value of voltage and current and waveshape load actual power and load impedance.
Step 203, according to load impedance and supply standard computational load demand power.
Step 204, bearing power deviation is calculated according to load demand power and load actual power.
The data of bearing power deviation are encrypted after bearing power deviation is calculated in step 2, pass through Internet of Things
It is decoded after transmission and reappears the bearing power deviation.
Step 3, according to load demand power, each unit is distributed in conjunction with power plant production plan and instantaneous operating conditions
Unit adjusts power.
The step 3 includes:
Step 301, according to bearing power deviation and transmission losses coefficient estimate generated output deviation.
Step 302, according to generated output deviation and actual power state computation power generation needs power.
Step 303, generated output is distributed according to the pro-jobs grade of each unit and actual working state.
After step 3 further include:
Step 4, according to the adjustment power control hydraulic turbine and magnet exciting coil of each unit, the active of the sending of unit is adjusted
Power and reactive power.
A kind of embodiment of waterpower multicomputer generated output regulation method provided by the invention, in combination with Internet of Things technology, root
According to the electric property of load end, respectively to the voltage of load end, current sensor acquisition load required for watt level and because
Element value, the numerical value such as demand power, actual power, power deviation after being calculated using load end data processor use Internet of Things
The mode of net is sent to power generation end, and generate electricity end power data according to required for the characteristic of generating set itself and load end, will
Power generation operation amount distributes to different generating sets in a manner of a kind of fixation, and each generating set is according to the power generation data received
Carrying out the regulation and control of output power, can be realized more generating set overall power generation amounts and using the automatic Synthesis of load
Adjustment, can fully ensure that power supply quality, and save human and material resources, financial resources, and implementation method is simple and easy, be water generating
The Power auto-adjustment of unit and control, reasonably optimizing generated energy save water resource and provide effectively reference.
Embodiment 2
Embodiment 2 provided by the invention is a kind of implementation of waterpower multicomputer generated output regulation device provided by the invention
Example, as shown in Figure 3 and Figure 4 respectively a kind of structural block diagram of waterpower multicomputer generated output regulation device provided by the invention and
Device embodiment processing information process schematic diagram, as can be seen from figs. 3 and 4, the device include: load end acquisition device 1,
Transformation station processing unit 2 and power station processing unit 3.
Load end acquisition device 1 includes current transformer and the mother for the load end distribution transformer low-pressure side for being set to monitoring
Voltage terminal is arranged, the electric signal of acquisition monitoring load is sent to transformation station processing unit.The electric signal includes voltage and electricity
The value and waveform of stream.
Transformation station processing unit 2 is sent at power station according to the bearing power deviation that electric signal calculates corresponding load
Manage unit.Bearing power deviation is load demand power and the deviation for loading actual power.
Power station processing unit 3 is according to the bearing power deviation of load, in conjunction with power plant production plan and real-time power plant
Working condition distributes the adjustment power of each unit.
A kind of embodiment of waterpower multicomputer generated output regulation device provided by the invention, in combination with Internet of Things technology, root
According to the electric property of load end, respectively to the voltage of load end, current sensor acquisition load required for watt level and because
Element value, the numerical value such as demand power, actual power, power deviation after being calculated using load end data processor use Internet of Things
The mode of net is sent to power generation end, and generate electricity end power data according to required for the characteristic of generating set itself and load end, will
Power generation operation amount distributes to different generating sets in a manner of a kind of fixation, and each generating set is according to the power generation data received
Carrying out the regulation and control of output power, can be realized more generating set overall power generation amounts and using the automatic Synthesis of load
Adjustment, can fully ensure that power supply quality, and save human and material resources, financial resources, and implementation method is simple and easy, be water generating
The Power auto-adjustment of unit and control, reasonably optimizing generated energy save water resource and provide effectively reference.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of waterpower multicomputer generated output regulates and controls method, which is characterized in that the described method includes:
Step 1, the electric signal of load is acquired, the electric signal includes the value and waveform of voltage and current；
Step 2, corresponding bearing power deviation is calculated according to the electric signal of the load, the bearing power deviation is load
The deviation of demand power and load actual power；
Step 3, according to the load demand power, each unit is distributed in conjunction with power plant production plan and instantaneous operating conditions
Unit adjusts power.
2. the method according to claim 1, wherein calculating the mistake of the bearing power deviation in the step 2
Journey includes:
Step 201, the value and waveform of the voltage and current in two periods of the load are recorded；
Step 202, according to the value of the voltage and current and waveshape load actual power and load impedance；
Step 203, the load demand power is calculated according to the load impedance and supply standard；
Step 204, the bearing power deviation is calculated according to the load demand power and the load actual power.
3. the method according to claim 1, wherein the bearing power deviation is calculated in the step 2
The data of the bearing power deviation are encrypted afterwards, it is inclined that the reproduction bearing power is decoded after transmitting by Internet of Things
Difference.
4. the method according to claim 1, wherein the step 3 includes:
Step 301, according to the bearing power deviation and transmission losses coefficient estimate generated output deviation；
Step 302, according to the generated output deviation and actual power state computation power generation needs power；
Step 303, generated output is distributed according to the pro-jobs grade of each unit and actual working state.
5. the method according to claim 1, wherein after the step 3 further include:
Step 4, according to the adjustment power control hydraulic turbine and magnet exciting coil of each unit, the sending of the unit is adjusted
Active power and reactive power.
6. a kind of waterpower multicomputer generated output regulation device, which is characterized in that described device includes by the negative of network connection
Carry end acquisition device, transformation station processing unit and power station processing unit；
The load end acquisition device includes current transformer and the mother for the load end distribution transformer low-pressure side for being set to monitoring
Voltage terminal is arranged, the electric signal for acquiring the monitoring load is sent to transformation station processing unit, and the electric signal includes electricity
The value and waveform of pressure and electric current；
The transformation station processing unit is sent to according to the bearing power deviation that the electric signal calculates the corresponding load
The power station processing unit, the bearing power deviation are load demand power and the deviation for loading actual power；
The power station processing unit is according to the bearing power deviation of the load, in conjunction with power plant production plan and power generation in real time
Factory's working condition distributes the adjustment power of each unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616430.9A CN110344989B (en) | 2019-07-09 | 2019-07-09 | Method and device for regulating and controlling power generated by multiple hydraulic units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616430.9A CN110344989B (en) | 2019-07-09 | 2019-07-09 | Method and device for regulating and controlling power generated by multiple hydraulic units |
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| Publication Number | Publication Date |
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| CN110344989A true CN110344989A (en) | 2019-10-18 |
| CN110344989B CN110344989B (en) | 2020-12-15 |
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| CN201910616430.9A Active CN110344989B (en) | 2019-07-09 | 2019-07-09 | Method and device for regulating and controlling power generated by multiple hydraulic units |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702827A (en) * | 2021-08-30 | 2021-11-26 | 中国船舶重工集团公司第七O三研究所无锡分部 | Automatic power pre-adding device for low-pressure water resistor |
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| JPH07217526A (en) * | 1994-02-04 | 1995-08-15 | Kubota Corp | Output adjusting device for small hydraulic power generating equipment |
| CN101030703A (en) * | 2006-03-02 | 2007-09-05 | 曹保定 | Combined method for regulating power-supply system frequency and active power |
| CN101777764A (en) * | 2010-01-05 | 2010-07-14 | 华北电力大学 | Area control deviation and unit generation deviation-based scheduling feedback control system |
| CN102047524A (en) * | 2008-05-26 | 2011-05-04 | 株式会社东芝 | Power supply/demand control device and power supply/demand control method |
| CN108832715A (en) * | 2018-06-14 | 2018-11-16 | 张作夷 | Electric system based on current waveform real-time monitoring |
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2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07217526A (en) * | 1994-02-04 | 1995-08-15 | Kubota Corp | Output adjusting device for small hydraulic power generating equipment |
| CN101030703A (en) * | 2006-03-02 | 2007-09-05 | 曹保定 | Combined method for regulating power-supply system frequency and active power |
| CN102047524A (en) * | 2008-05-26 | 2011-05-04 | 株式会社东芝 | Power supply/demand control device and power supply/demand control method |
| CN101777764A (en) * | 2010-01-05 | 2010-07-14 | 华北电力大学 | Area control deviation and unit generation deviation-based scheduling feedback control system |
| CN108832715A (en) * | 2018-06-14 | 2018-11-16 | 张作夷 | Electric system based on current waveform real-time monitoring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702827A (en) * | 2021-08-30 | 2021-11-26 | 中国船舶重工集团公司第七O三研究所无锡分部 | Automatic power pre-adding device for low-pressure water resistor |
| CN113702827B (en) * | 2021-08-30 | 2024-02-09 | 中国船舶重工集团公司第七O三研究所无锡分部 | Automatic power pre-adding device for low-voltage water resistor |
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