CN105278484A - Coordination apparatus and coordination method for hydroelectric power generation and energy storage device in power distribution network - Google Patents

Abstract

A coordination apparatus and coordination method for a hydroelectric power generation and energy storage device in a power distribution network belong to the technical field of a power distribution network. The invention provides and especially relates to a coordination apparatus and coordination method, accurate in data acquisition and fast in speed, for a hydroelectric power generation and energy storage device in a power distribution network. The coordination apparatus comprises a power generation device terminal and a scheduling center end. The power generation device terminal comprises a sensor, an A/D analog-to-digital converter, a DSP microprocessor, an FPGA data calculating chip and a 4G communication module. The scheduling center end comprises an industrial control computer and a 4G communication module. The output end of the sensor is connected to the input end of the A/D analog-to-digital converter, the output end of the A/D analog-to-digital converter is connected to the input end of the DSP microprocessor, and the output end of the DSP microprocessor is connected to the input end of the FPGA data calculating chip.

Description

A kind of power distribution network hydropower and energy storage device conditioning unit and coordination approach

Technical field

The invention belongs to distribution network technology field, particularly a kind of power distribution network hydropower and energy storage device conditioning unit and coordination approach.

Background technology

Water generating is a complicated system, how to carry out reservoir operation according to the operation characteristic of water generating and energy storage device, existing engineering is made to play greatest benefit, more and more come into one's own, the feature of water generating scheduling is in the past the operation that operations staff relies on subjective judgement control decision water generating, there is the content of a lot of ambiguity in this process, therefore, Real-Time Monitoring is carried out to the electric parameter of water generating in power distribution network and energy storage device and environment parament, and according to monitoring parameter, coordination ratio of exerting oneself between hydropower and energy storage device is calculated, in real time water generating and energy storage device output power are controlled according to result of calculation, effectively can avoid the power division un-reasonable phenomenon between water generating and energy storage device, significantly improve Power System Reliability and economy.

Summary of the invention

The present invention is exactly for the problems referred to above, provides accurate, the fireballing power distribution network hydropower of a kind of data acquisition and energy storage device conditioning unit and coordination approach.

For achieving the above object, the present invention adopts following technical scheme, and power distribution network hydropower of the present invention and energy storage device conditioning unit comprise generating set terminal and dispatching center's end, described generating set terminal comprises sensor, A/D analog to digital converter, DSP microprocessor, FPGA data computing chip and 4G communication module, described dispatching center end comprises industrial computer and 4G communication module, the output terminal of described sensor is connected with A/D analog to digital converter input end, the output terminal of A/D analog to digital converter is connected with the input end of DSP microprocessor, the output terminal of DSP microprocessor is connected with the input end of FPGA data computing chip, the output terminal of FPGA data computing chip is connected with the input end of 4G communication module with the control module of generating set, the control module of generating set is connected with human-machine interactive information display unit,

Described sensor comprises current transformer, voltage transformer (VT), temperature sensor, humidity sensor, noise transducer, rainfall amount sensor, and current transformer output port, voltage transformer (VT) output port, temperature sensor output port, humidity sensor output port, noise transducer output port, rainfall amount sensor output port are connected with the input port of A/D analog to digital converter respectively.

As another kind of preferred version, sensor of the present invention selects DHC03B type current transformer, DH51D6V0.4B type voltage transformer (VT), HE-200 infrared temperature sensor, STYB3100111A50 type humidity sensor, CRY2110 type noise transducer, BL-YW900 type radar level sensor.

As another kind of preferred version, A/D analog to digital converter of the present invention adopts TLC2543 serial a/d converter, 4G communications unit adopts the LTE module of ME3760 model, TMS320F2812 chip selected by DSP microprocessor, FPGA data computing chip selects EPM7064SLC44 chip, the control module of generating set adopts 51 single-chip microcomputer ST89C51 chips, and human-machine interactive information display module is the LCD MODULE of HG1286402C model;

Current transformer, voltage transformer (VT), temperature sensor, humidity sensor, noise transducer, rainfall amount sensor output terminal is respectively through the output terminal EOC of the input end AIN0-AIN5 being connected to A/D converter TLC2543 after signaling conversion circuit, A/D converter TLC2543, I/O, IN, OUT, CS is connected respectively to the XA1-XA5 pin of dsp chip TMS320F2812, the XD0-XD7 pin of TMS320F2812 respectively with the IO17-IO21 of fpga chip EPM7064SLC44, IO24-IO26 pin, the IO4-IO6 of fpga chip EPM7064SLC44, IO8, IO9, IO11, IO12, IO14 pin is connected with the P0.0-P0.7 of single-chip microcomputer STC89C51 chip respectively, and the P1.0-P1.7 of single-chip microcomputer STC89C51 chip is connected with the D0-D7 of LCD MODULE, the P2.0-P1.4 of single-chip microcomputer STC89C51 chip and the RS of LCD MODULE, RW, CS1, CS2, EN is connected, the RXD of STC89C51 chip, TXD is connected with generating automaton, the IO37 pin of fpga chip EPM7064SLC44 is held with the DATA of 4G communication module ME3760 and is connected, and data are sent to the UNO-3072 Series P entiumM built-in industrial control machine of remote dispatching terminal by the ATN1 end of 4G communication module by antenna.

As another kind of preferred version, signaling conversion circuit of the present invention adopts TLC4501 chip.(signalization change-over circuit, ensures the frequency span of signals collecting, switching rate and voltage gain, reduces input offset voltage and electric current and temperature drift simultaneously).

Secondly, TLC4501 chip 5 pin of the present invention respectively with resistance R3 one end, resistance R4 one end, electric capacity C ₂one end is connected, another termination 1.5V power supply of resistance R4, electric capacity C ₂other end ground connection, the resistance R3 other end is connected with TLC4501 chip 1 pin, resistance R2 one end, electric capacity C1 one end respectively, and the electric capacity C1 other end is connected with the output terminal of the resistance R2 other end, TLC4501 chip 2 pin, sensor respectively, TLC4501 chip 3 pin ground connection; TLC4501 chip 7 pin is connected with A/D converter input port by resistance R8.

In addition, the XTAL1 pin of STC89C51 chip of the present invention is connected with crystal oscillator one end, a 30pF one end respectively, the one 30pF other end is connected with the GND pin of ground wire, STC89C51 chip, the 2nd 30pF one end respectively, and the 2nd 30pF other end is connected with the XTAL2 pin of the crystal oscillator other end, STC89C51 chip respectively.

Electric current, voltage, temperature, humidity, noise, rainfall amount information are through each sensor, carry out synchronized sampling, maintenance, A/D conversion, after becoming digital signal, send into dsp chip and carry out data processing, information data after process delivers to the data input port of FPGA by the parallel data output interface of DSP, by FPGA, data are delivered to 4G communication module again, for ready with the industrial computer communication of remote dispatching end; After industrial computer calculates electric current, voltage, temperature, humidity, noise, rainfall amount information data, result of calculation is passed through 4G communication network transmission to 4G communication module, then by 4G module, result of calculation is delivered to FPGA, by FPGA, data are delivered to single-chip microcomputer STC89C51, by TXD mouth, control command is sent to generating automaton by single-chip microcomputer, and show at human-machine interactive information display unit.

Power distribution network hydropower of the present invention and energy storage device coordination approach, comprise the steps:

Step 1: generating set terminal gathers electric current, voltage, temperature, humidity, noise, the rainfall amount parameter of hydro-electric power generating equipment and energy storage device, by 4G communication module, the electric current of collection, voltage, temperature, humidity, noise, Precipitation measurement value are transferred to the industrial computer of dispatching center's end, electric current, voltage, temperature, humidity, noise, rainfall amount are as input quantity:

Step 2: set up objective optimization function

Step 2.1: set up optimization object function:

$\min f(x_1,x_2,...x_i,x_{k_l})---\left(1\right)$

Step 2.2: the n building hydropower and energy storage device status data ties up phase space

Step 3: the target function value of opposite vertexes carries out interative computation

Step 3.1: reflection operation is carried out to the target function value of fixed point:

$P*=(1+\mathrm{\α})\stackrel{\‾}{P}-\mathrm{\α}{P}_h---\left(3\right)$

for the mean value of each point norm in phase space, P _hfor summit original in phase space, P ^*for the new summit found by reflection operation;

Step 3.2: the objective function of opposite vertexes carries out Extension Operations:

$P**=(1-\mathrm{\γ})\stackrel{\‾}{P}+\mathrm{\γP}*---\left(4\right)$

P ^*for the new summit found by Extension Operations, flare factor γ=1.5;

Step 3.3: the objective function of opposite vertexes carries out contraction computing:

$P**=(1-\mathrm{\β})\stackrel{\‾}{P}+\mathrm{\β}{P}_h---\left(5\right)$

If the objective function under new summit meets f (P ^*) >f (P _h), then will replace a little:

P _i＝(P _i+P _l)/2(6)

P in formula (6) _ifor the phase space phase point of new production, P _lfor the point of Norm minimum in former phase point, namely originally minimum phase point;

By shrinking computing, tried to achieve on maximal value summit and center of gravity line certain a bit; Carrying out reflecting, expand, in the process of shrinking, when dimension variate-value each in vertex vector is less than 0, be taken as 0; When it is greater than allowed peak power, be taken as this peak power number.

Step 4: carry out rapid coordination according to power distribution network hydropower and energy storage device characteristic quantity synchronous

Be y=minf (x to objective function _i)+g (x _i)+k (x _i) solve, penalty wherein p _ifor hydropower and energy storage device x _isend power, for x _ipower maximal value, constraint function wherein I _ifor x _imiddle current value, r _ifor x _iresistance value, t is the time that network system is run;

Step 5: dispatching center's end industrial computer will coordinate result of calculation p _ibe transferred to generating set terminal by 4G communication module, generating set terminal adjusts the power stage of hydro-electric power generating equipment and energy storage device by generation control unit.

As a kind of preferred version, α=0.83 of the present invention.

As a kind of preferred version, contraction coefficient β=0.5 of the present invention.

Beneficial effect of the present invention.

DSP microprocessor and FPGA data computing chip combine, and improve data acquisition accuracy and comprehensive, improve acquisition speed and precision.The present invention is by the cooperation control in power distribution network between hydro-electric power generating equipment and energy storage device, effectively prevent the impact that water generating equipment and energy storage device produce electrical network, greatly improve multiple power generation grid connection efficiency in distribution, reduce the grid-connected and energy storage device operating cost of hydropower.Calculated by the coordination of dispatching center's end, finally obtain hydro-electric power generating equipment and energy storage device desirable go out force level.Improve power quality, improve power distribution network, hydro-electric power generating equipment and energy storage device reliability, coordinate synchronization process requirement of real time simultaneously, improve the efficiency of data acquisition and process, improve the speed and precision coordinating to calculate, achieve, with degree of precision with compared with the advantage of short response time, coordinate synchronization is carried out to the hydro-electric power generating equipment in power distribution network and energy storage device.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the present invention will be further described.Scope is not only confined to the statement of following content.

Fig. 1 is schematic block circuit diagram of the present invention.

Fig. 2 is circuit theory diagrams of the present invention.

Embodiment

As shown in the figure, power distribution network hydropower of the present invention and energy storage device conditioning unit comprise generating set terminal and dispatching center's end, described generating set terminal comprises sensor, A/D analog to digital converter, DSP microprocessor, FPGA data computing chip and 4G communication module, described dispatching center end comprises industrial computer and 4G communication module, the output terminal of described sensor is connected with A/D analog to digital converter input end, the output terminal of A/D analog to digital converter is connected with the input end of DSP microprocessor, the output terminal of DSP microprocessor is connected with the input end of FPGA data computing chip, the output terminal of FPGA data computing chip is connected with the input end of 4G communication module with the control module of generating set, the control module of generating set is connected with human-machine interactive information display unit.

The sensor selects DHC03B type current transformer, DH51D6V0.4B type voltage transformer (VT), HE-200 infrared temperature sensor, STYB3100111A50 type humidity sensor, CRY2110 type noise transducer, BL-YW900 type radar level sensor.

TLC2543A/D conversion chip selected by above-mentioned A/D analog to digital converter.

TMS320F2812 chip selected by above-mentioned DSP microprocessor.

Above-mentioned FPGA data computing chip selects EPM7064SLC44 chip.

Above-mentioned generating set control module is 51 single-chip microcomputer ST89C51 chips.

Human-machine interactive information display module is the LCD MODULE of HG1286402C model.

Above-mentioned 4G communication module is ME3760 model LTE module.

Current transformer, voltage transformer (VT), temperature sensor, humidity sensor, noise transducer, rainfall amount sensor output terminal respectively through the input end AIN0-AIN5 being connected to A/D converter TLC2543 after signaling conversion circuit, as shown in Figure 2, the output terminal EOC of A/D converter TLC2543, I/O, IN, OUT, CS is connected respectively to the XA1-XA5 pin of dsp chip TMS320F2812, the XD0-XD7 pin of TMS320F2812 respectively with the IO17-IO21 of fpga chip EPM7064SLC44, IO24-IO26 pin, the IO4-IO6 of fpga chip EPM7064SLC44, IO8, IO9, IO11, IO12, IO14 pin is connected with the P0.0-P0.7 of single-chip microcomputer STC89C51 chip respectively, and the P1.0-P1.7 of single-chip microcomputer STC89C51 chip is connected with the D0-D7 of LCD MODULE, the P2.0-P1.4 of single-chip microcomputer STC89C51 chip and the RS of LCD MODULE, RW, CS1, CS2, EN is connected, the RXD of STC89C51 chip, TXD is connected with generating automaton, the IO37 pin of fpga chip EPM7064SLC44 is held with the DATA of 4G communication module ME3760 and is connected, and data are sent to the UNO-3072 Series P entiumM built-in industrial control machine of remote dispatching terminal by the ATN1 end of 4G communication module by antenna.

Electric current, voltage, temperature, humidity, noise, rainfall amount information are through each sensor, carry out synchronized sampling, maintenance, A/D conversion, after becoming digital signal, send into dsp chip and carry out data processing, information data after process delivers to the data input port of FPGA by the parallel data output interface of DSP, by FPGA, data are delivered to 4G communication module again, for ready with the industrial computer communication of remote dispatching end; After industrial computer calculates electric current, voltage, temperature, humidity, noise, rainfall amount information data, result of calculation is passed through 4G communication network transmission to 4G communication module, then by 4G module, result of calculation is delivered to FPGA, by FPGA, data are delivered to single-chip microcomputer STC89C51, by TXD mouth, control command is sent to generating automaton by single-chip microcomputer, and show at human-machine interactive information display unit.

Power distribution network hydropower of the present invention and energy storage device coordination approach, comprise the steps:

Step 1: generating set terminal gathers electric current, voltage, temperature, humidity, noise, the rainfall amount parameter of hydro-electric power generating equipment and energy storage device, by 4G communication module, the electric current of collection, voltage, temperature, humidity, noise, Precipitation measurement value are transferred to the industrial computer of dispatching center's end, electric current, voltage, temperature, humidity, noise, rainfall amount are as input quantity:

Step 2: set up objective optimization function

Step 2.1: set up optimization object function:

$\min f(x_1,x_2,...x_i,x_{k_l})---\left(1\right)$

Step 2.2: the n building hydropower and energy storage device status data ties up phase space

Step 3: the target function value of opposite vertexes carries out interative computation

Step 3.1: reflection operation is carried out to the target function value of fixed point:

$P*=(1+\mathrm{\α})\stackrel{\‾}{P}-\mathrm{\α}{P}_h---\left(3\right)$

for the mean value of each point norm in phase space, P _hfor summit original in phase space, P ^*for the new summit found by reflection operation, for making primary be distributed widely in feas ible space, get α=0.83.

Step 3.2: the objective function of opposite vertexes carries out Extension Operations:

$P**=(1-\mathrm{\γ})\stackrel{\‾}{P}+\mathrm{\γP}*---\left(4\right)$

P ^*for the new summit found by Extension Operations, flare factor γ=1.5.

Step 3.3: the objective function of opposite vertexes carries out contraction computing:

$P**=(1-\mathrm{\β})\stackrel{\‾}{P}+\mathrm{\β}{P}_h---\left(5\right)$

More even for making initial vertax distribute, get the mid point on its line, namely get contracting factor beta=0.5.If the objective function under new summit meets f (P ^*) >f (P _h), then will replace a little:

P _i＝(P _i+P _l)/2(6)

P in formula (6) _ifor the phase space phase point of new production, P _lfor the point of Norm minimum in former phase point, namely originally minimum phase point.

By shrinking computing, tried to achieve on maximal value summit and center of gravity line certain a bit.Carrying out reflecting, expand, in the process of shrinking, when dimension variate-value each in vertex vector is less than 0, be taken as 0; When it is greater than allowed peak power, be taken as this peak power number.

Step 4: carry out rapid coordination according to power distribution network hydropower and energy storage device characteristic quantity synchronous

Be y=minf (x to objective function _i)+g (x _i)+k (x _i) solve, penalty wherein p _ifor hydropower and energy storage device x _isend power, for x _ipower maximal value, constraint function wherein I _ifor x _imiddle current value, r _ifor x _iresistance value, t is the time that network system is run.

Step 5: dispatching center's end industrial computer will coordinate result of calculation p _ibe transferred to generating set terminal by 4G communication module, generating set terminal adjusts the power stage of hydro-electric power generating equipment and energy storage device by generation control unit.

Be understandable that, above about specific descriptions of the present invention, the technical scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.

Claims (9)

1. power distribution network hydropower and an energy storage device conditioning unit, is characterized in that comprising generating set terminal and dispatching center's end, described generating set terminal comprises sensor, A/D analog to digital converter, DSP microprocessor, FPGA data computing chip and 4G communication module, described dispatching center end comprises industrial computer and 4G communication module, the output terminal of described sensor is connected with A/D analog to digital converter input end, the output terminal of A/D analog to digital converter is connected with the input end of DSP microprocessor, the output terminal of DSP microprocessor is connected with the input end of FPGA data computing chip, the output terminal of FPGA data computing chip is connected with the input end of 4G communication module with the control module of generating set, the control module of generating set is connected with human-machine interactive information display unit,

Described sensor comprises current transformer, voltage transformer (VT), temperature sensor, humidity sensor, noise transducer, rainfall amount sensor, and current transformer output port, voltage transformer (VT) output port, temperature sensor output port, humidity sensor output port, noise transducer output port, rainfall amount sensor output port are connected with the input port of A/D analog to digital converter respectively.

2. a kind of power distribution network hydropower and energy storage device conditioning unit according to claim 1, is characterized in that described sensor selects DHC03B type current transformer, DH51D6V0.4B type voltage transformer (VT), HE-200 infrared temperature sensor, STYB3100111A50 type humidity sensor, CRY2110 type noise transducer, BL-YW900 type radar level sensor.

3. a kind of power distribution network hydropower and energy storage device conditioning unit according to claim 2, it is characterized in that described A/D analog to digital converter adopts TLC2543 serial a/d converter, 4G communications unit adopts the LTE module of ME3760 model, TMS320F2812 chip selected by DSP microprocessor, FPGA data computing chip selects EPM7064SLC44 chip, the control module of generating set adopts 51 single-chip microcomputer ST89C51 chips, and human-machine interactive information display module is the LCD MODULE of HG1286402C model;

Current transformer, voltage transformer (VT), temperature sensor, humidity sensor, noise transducer, rainfall amount sensor output terminal is respectively through the output terminal EOC of the input end AIN0-AIN5 being connected to A/D converter TLC2543 after signaling conversion circuit, A/D converter TLC2543, I/O, IN, OUT, CS is connected respectively to the XA1-XA5 pin of dsp chip TMS320F2812, the XD0-XD7 pin of TMS320F2812 respectively with the IO17-IO21 of fpga chip EPM7064SLC44, IO24-IO26 pin, the IO4-IO6 of fpga chip EPM7064SLC44, IO8, IO9, IO11, IO12, IO14 pin is connected with the P0.0-P0.7 of single-chip microcomputer STC89C51 chip respectively, and the P1.0-P1.7 of single-chip microcomputer STC89C51 chip is connected with the D0-D7 of LCD MODULE, the P2.0-P1.4 of single-chip microcomputer STC89C51 chip and the RS of LCD MODULE, RW, CS1, CS2, EN is connected, the RXD of STC89C51 chip, TXD is connected with generating automaton, the IO37 pin of fpga chip EPM7064SLC44 is held with the DATA of 4G communication module ME3760 and is connected, and data are sent to the UNO-3072 Series P entiumM built-in industrial control machine of remote dispatching terminal by the ATN1 end of 4G communication module by antenna.

4. a kind of power distribution network hydropower and energy storage device conditioning unit according to claim 3, is characterized in that described signaling conversion circuit adopts TLC4501 chip.

5. a kind of power distribution network hydropower and energy storage device conditioning unit according to claim 4, it is characterized in that described TLC4501 chip 5 pin respectively with resistance R3 one end, resistance R4 one end, electric capacity C ₂one end is connected, another termination 1.5V power supply of resistance R4, electric capacity C ₂other end ground connection, the resistance R3 other end is connected with TLC4501 chip 1 pin, resistance R2 one end, electric capacity C1 one end respectively, and the electric capacity C1 other end is connected with the output terminal of the resistance R2 other end, TLC4501 chip 2 pin, sensor respectively, TLC4501 chip 3 pin ground connection; TLC4501 chip 7 pin is connected with A/D converter input port by resistance R8.

6. a kind of power distribution network hydropower and energy storage device conditioning unit according to claim 5, it is characterized in that the XTAL1 pin of described STC89C51 chip is connected with crystal oscillator one end, a 30pF one end respectively, the one 30pF other end is connected with the GND pin of ground wire, STC89C51 chip, the 2nd 30pF one end respectively, and the 2nd 30pF other end is connected with the XTAL2 pin of the crystal oscillator other end, STC89C51 chip respectively.

7. power distribution network hydropower and energy storage device coordination approach, is characterized in that comprising the steps:

Step 1: generating set terminal gathers electric current, voltage, temperature, humidity, noise, the rainfall amount parameter of hydro-electric power generating equipment and energy storage device, by 4G communication module, the electric current of collection, voltage, temperature, humidity, noise, Precipitation measurement value are transferred to the industrial computer of dispatching center's end, electric current, voltage, temperature, humidity, noise, rainfall amount are as input quantity:

Step 2: set up objective optimization function

Step 2.1: set up optimization object function:

$\min f(x_1,x_2,...x_i,x_{k_l})---\left(1\right)$

Step 2.2: the n building hydropower and energy storage device status data ties up phase space

Step 3: the target function value of opposite vertexes carries out interative computation

Step 3.1: reflection operation is carried out to the target function value of fixed point:

$P*=(1+\mathrm{\α})\stackrel{\‾}{P}-\mathrm{\α}{P}_h---\left(3\right)$

for the mean value of each point norm in phase space, P _hfor summit original in phase space, P ^*for the new summit found by reflection operation;

Step 3.2: the objective function of opposite vertexes carries out Extension Operations:

$P**=(1-\mathrm{\γ})\stackrel{\‾}{P}+\mathrm{\γP}*---\left(4\right)$

P ^*for the new summit found by Extension Operations, flare factor γ=1.5;

Step 3.3: the objective function of opposite vertexes carries out contraction computing:

$P**=(1-\mathrm{\β})\stackrel{\‾}{P}+\mathrm{\β}{P}_h---\left(5\right)$

If the objective function under new summit meets f (P ^*) >f (P _h), then will replace a little:

P _i＝(P _i+P _l)/2(6)

P in formula (6) _ifor the phase space phase point of new production, P _lfor the point of Norm minimum in former phase point, namely originally minimum phase point;

By shrinking computing, tried to achieve on maximal value summit and center of gravity line certain a bit; Carrying out reflecting, expand, in the process of shrinking, when dimension variate-value each in vertex vector is less than 0, be taken as 0; When it is greater than allowed peak power, be taken as this peak power number.

Step 4: carry out rapid coordination according to power distribution network hydropower and energy storage device characteristic quantity synchronous

Be y=minf (x to objective function _i)+g (x _i)+k (x _i) solve, penalty wherein p _ifor hydropower and energy storage device x _isend power, for x _ipower maximal value, constraint function wherein I _ifor x _imiddle current value, r _ifor x _iresistance value, t is the time that network system is run;

Step 5: dispatching center's end industrial computer will coordinate result of calculation p _ibe transferred to generating set terminal by 4G communication module, generating set terminal adjusts the power stage of hydro-electric power generating equipment and energy storage device by generation control unit.

8. power distribution network hydropower and energy storage device coordination approach according to claim 7, is characterized in that described α=0.83.

9. power distribution network hydropower and energy storage device coordination approach according to claim 8, is characterized in that described contraction coefficient β=0.5.