CN111509783A - Multi-type energy integrated cooperative control method and device - Google Patents

Abstract

The application discloses a multi-type energy integrated cooperative control method, which comprises the following steps: obtaining a first quantity to be adjusted according to the whole network load increment of the power grid and the pre-filtering area control deviation; utilizing the hydroelectric generating set to carry out frequency modulation on the first quantity to be modulated to obtain a second quantity to be modulated; on the basis of the second amount to be adjusted, wind power prediction increment, photoelectric prediction increment and tie line prediction increment are considered to obtain a third amount to be adjusted; judging the type of the section where the unit is located, and adjusting the third to-be-adjusted quantity according to a preset section strategy, a frequency protection strategy and a hydropower standby protection strategy to obtain a residual to-be-adjusted quantity; and the thermal power generating unit is used for adjusting the residual amount to be adjusted. The application also discloses a cooperative control device based on the method. The method and the device realize the coordinated control of the water-fire unit based on the load prediction trend, the new energy power prediction trend, the frequency urgency and the standby protection, and improve the frequency stability of the whole network.

Description

Multi-type energy integrated cooperative control method and device

Technical Field

The invention relates to automatic scheduling of an electric power system, in particular to a multi-type energy integrated cooperative control method and device.

Background

With the development of power grid technology, the installed capacity of various power supplies is continuously increased. Wherein, the renewable energy power generation installation increases 11.7% to 72896 ten thousand kilowatts on a same scale, and accounts for 63.8% of the newly-added power installation. The wind power and solar energy new installation accounts for 85% of the renewable energy new installation. In renewable energy generation, the water-electricity ratio has declined from year to year. Due to lack of unified planning with traditional energy sources, the utilization rate of a plurality of energy sources is low, and the problems of resource waste and the like are caused.

The invention patent application with the publication number of CN102522781A and the publication number of 20120627 discloses a method for participating in ACE control through unified wind-fire modeling, a wind power plant control object is modeled similarly according to the characteristics of a conventional thermal power generating unit, the wind power plant and the thermal power generating unit are divided into different control groups according to different power generation types, different sequencing strategies can be designed between the groups and in the groups, and the wind power plant and the conventional unit can participate in adjustment together. However, the section type of the technical scheme of the patent has poor applicability, and the conventional energy rotary equipment condition is not considered, so that the conventional energy unit is overloaded.

Disclosure of Invention

The purpose of the invention is as follows: the application aims to provide a multi-type energy source integrated cooperative control method and device, and the method and device are used for solving the defects that the existing method is difficult to adapt to various sections and is easy to cause overload of a conventional unit.

The technical scheme is as follows: the application provides a multi-type energy source integrated cooperative control method, which comprises the following steps:

(1) obtaining a first quantity to be adjusted according to the whole network load increment of the power grid and the pre-filtering area control deviation;

(2) utilizing the hydroelectric generating set to carry out frequency modulation on the first quantity to be modulated to obtain a second quantity to be modulated;

(3) obtaining a third quantity to be regulated according to the second quantity to be regulated, the wind power prediction increment, the photoelectric prediction increment and the tie line prediction increment;

(4) judging the type of the section where the unit is located, and adjusting a third to-be-adjusted quantity by the unit under the section according to a preset section strategy, a frequency protection strategy and a hydropower standby protection strategy to obtain a residual to-be-adjusted quantity;

(5) and the thermal power generating unit is used for adjusting the residual amount to be adjusted.

Further, the first amount to be adjusted is represented as:

P_{total_reg1}＝P_load-ACE_fil

wherein, P_{total_reg1}Is the first quantity to be adjusted, P_loadFor full network load increment, ACE_filControlling the deviation for the pre-filtered region;

pre-filtered area control deviation ACE_filExpressed as:

ACE_fil＝ACE_fil，k+1＝(1-α)*ACE_fil，k+1+α*ACE_fil，k+1

wherein α is a filter factor, ACE_fil，k+1Controlling the deviation ACE value for the area after k times of filtering, wherein k is the preset filtering times;

third amount to be adjusted P_{total_reg3}Expressed as:

P_{total_reg3}＝P_{total_reg2}+ΔP_wind+ΔP_pv+ΔP_line

wherein, Δ P_windPredicting delta, P, for wind power_pvFor photoelectric prediction of increment, Δ P_lineAn increment is predicted for the tie line.

Further, the section types include a conventional energy section and a multi-energy mixed section;

if only a conventional unit is operated under the current section, judging that the current section is a conventional energy section; the conventional units comprise a hydroelectric generating unit and a thermal generating unit;

if the current section is operated with a new energy unit besides the conventional unit, judging that the current section is a multi-energy mixed section; the new energy machine set comprises a wind power machine set and a photoelectric machine set.

Further, the conventional energy section and the multi-energy mixed section can be divided into a normal area, a help area, an emergency area and an out-of-limit area according to the load rate;

the normal zone is a section with the load rate not reaching 85 percent; the help zone is a section with the load rate reaching 85% but not reaching 95%; the emergency area is a section with the load rate reaching 95% but not reaching 100%; the out-of-limit area is a section with the load rate reaching or exceeding 100%.

Further, conventional profile control strategies include:

for the section in the help area, the high-sensitivity unit under the section is lifted and locked, and does not participate in the power-up regulation any more;

for the section in the emergency area, all the groups under the section are set to be lifted and locked, and do not participate in the power lifting regulation any more; the high-sensitivity unit is preferentially adjusted towards the direction of the recovery section;

for the cross section in the out-of-limit area, all the units under the cross section are lifted and locked, and do not participate in the power-lifting regulation any more, and all the units are regulated towards the direction of the cross section recovery.

Further, the multi-energy hybrid profile control strategy comprises:

for the section in the normal area, the conventional unit is adjusted normally, and the new energy unit is adjusted according to the peak regulation and section control instruction;

for the section in the help area, the conventional unit is adjusted towards the section recovery direction, and the adjusting amount of the new energy unit is the minimum value of the current output, peak shaving and section control instruction;

for the section in the emergency area, the conventional unit is adjusted towards the section recovery direction, and if the conventional unit is sufficient in reserve, the adjustment amount of the new energy unit is the minimum value of the current output, peak shaving and section control instruction; otherwise, the new energy unit is adjusted towards the section recovery direction;

and for the section in the out-of-limit area, all the units are adjusted towards the direction of section recovery.

Further, the frequency protection strategy in the step (4) when the section adjusts the unit includes:

(41) under the condition of considering a hydropower standby protection strategy, adjusting the third to-be-adjusted quantity through a hydroelectric generator set to obtain a fourth to-be-adjusted quantity;

(42) the thermal power generating unit adjusts the fourth quantity to be adjusted according to the load trend in the rotating and standby range of the thermal power generating unit to obtain a fifth quantity to be adjusted;

(43) if the section is the conventional energy section, the fifth waiting adjustment amount is the residual waiting adjustment amount;

and if the section is a multi-energy mixed section, adjusting the fifth to-be-adjusted quantity within the adjustment quantity range of the new energy unit to obtain the residual to-be-adjusted quantity.

Further, the hydropower backup protection strategy comprises:

judging the load trend, wherein the load trend comprises climbing, descending and stability;

if the load trend is climbing:

if the reserve capacity of the hydroelectric generating set is more than 70 percent of the reserve capacity, the output of the hydroelectric generating set is increased to 70 percent of the reserve capacity, and the reserve capacity delta P of the hydroelectric generating set is obtained_{Water (W)}；

Otherwise, the hydroelectric generating set reduces the output to 70% of the reserve capacity, and the reserve capacity delta P of the hydropower is obtained_{Water (W)}；

If the load trend is downhill:

if the reserve capacity under the hydroelectric generating set is more than 70 percent of the reserve capacity, reducing the output of the hydroelectric generating set to 70 percent of the reserve capacity, and obtaining the reserve capacity delta P of the hydroelectric generating set_{Water (W)}；

Otherwise, the increased output of the hydroelectric generating set is 70 percent of the reserve capacity of the hydroelectric generating set, and the reserve capacity delta P of the hydropower is obtained_{Water (W)}；

If the load trend is stable, 50% of the rotary equipment is kept.

Further, step (42) comprises:

judging the load trend, wherein the load trend comprises climbing, descending and stability;

when the load climbs a slope:

when the frequency is lower than 49.94 or higher than 50.08, the thermal power generating unit is adjusted towards the frequency recovery direction;

the frequency is between 49.94-49.96 and 50.06-50.08, and the thermal power generating unit is not allowed to deteriorate the frequency;

when the load is going downhill:

when the frequency is lower than 49.92 or higher than 50.06, the thermal power generating unit adjusts towards the frequency recovery direction;

the frequency is between 49.92-49.94 and 50.04-50.06, and the thermal power generating unit is not allowed to deteriorate the frequency;

when the load is smooth:

and the thermal power generating unit executes a load rate balancing strategy, namely, the adjustment is carried out in the direction of fair load rate.

The application also discloses polymorphic type energy integration cooperative control device includes:

the first to-be-regulated quantity determining module is configured to obtain a first to-be-regulated quantity according to the full-grid load increment of the power grid and the pre-filtered area control deviation;

the second to-be-adjusted quantity determining module is configured to utilize the hydroelectric generating set to perform frequency modulation on the first to-be-adjusted quantity to obtain a second to-be-adjusted quantity;

the third to-be-adjusted quantity determining module is used for obtaining a third to-be-adjusted quantity according to the second to-be-adjusted quantity, the wind power prediction increment, the photoelectric prediction increment and the tie line prediction increment;

the strategy adjusting module is configured to judge the type of the section where the unit is located, and adjust a third to-be-adjusted quantity by the unit under the section according to a preset section strategy, a frequency protection strategy and a hydropower standby protection strategy to obtain a residual to-be-adjusted quantity;

and the residual quantity-to-be-regulated adjusting module is configured to complete the adjustment of the residual quantity-to-be-regulated by the thermal power generating unit.

Has the advantages that: compared with the prior art, the method and the device can realize the coordination control of the water-fire unit based on the load prediction trend, the new energy power prediction trend, the frequency urgency and the standby protection, and improve the frequency stability of the whole network; the advanced control based on plan and prediction is more prospective than the control completely based on real-time data, the round-trip adjusting frequency of the unit can be effectively reduced, and the adjusting efficiency is improved.

Drawings

Fig. 1 is a flowchart of a cooperative control method of the present application;

fig. 2 is a flowchart of a frequency protection strategy in the cooperative control method of the present application;

FIG. 3 is a flow chart of a hydroelectric backup protection strategy in the collaborative method of the present application;

fig. 4 is a system block diagram of the cooperative control apparatus according to the present situation.

Detailed Description

The invention is further described below with reference to the following figures and examples:

the application provides a multi-type energy integrated cooperative control method, as shown in fig. 1, including:

s101, according to the whole grid load increment of the power grid and the pre-filtering area control deviation, obtaining a first quantity to be adjusted according to the following formula:

P_{total_reg1}＝P_load-ACE_fil

wherein P is_{total_reg1}Is the first quantity to be adjusted, P_loadFor full network load increment, ACE_filControlling the deviation for the pre-filtered region; load increment P of whole network_loadMay be obtained by calculating the difference between the planned load and the current load.

The pre-filtered regional control bias is expressed as:

ACE_fil＝ACE_fil，k+1＝(1-α)*ACE_fil，k+1+α*ACE_fil，k+1

wherein α is a filter factor, ACE_fil，k+1And controlling the deviation ACE value of the filtered area for k times, wherein k is the preset filtering times.

S102, utilizing the hydroelectric generating set to carry out frequency modulation on the first to-be-modulated quantity to obtain a second to-be-modulated quantity P_{total_reg2}(ii) a Specifically, the upper limit of the output of the hydroelectric generating set is the capacity of the hydroelectric generating set, and the regulating quantity of the hydroelectric generating set is recorded as delta P₁Then, then

P_{total_reg2}＝P_{total_reg1}-ΔP₁

S103, obtaining a third to-be-adjusted quantity P according to the second to-be-adjusted quantity, the wind power prediction increment, the photoelectric prediction increment and the tie line prediction increment_{total_reg3}The method specifically comprises the following steps:

P_{total_reg3}＝P_{total_reg2}+ΔP_wind+ΔP_pv+ΔP_line

wherein, Δ P_windPredicting delta, P, for wind power_pvFor photoelectric prediction of increment, Δ P_linePredicting an increment for the tie line; delta P_wind、ΔP_pv、ΔP_lineCan be obtained by calculating the difference between the planned value and the current value.

And S104, judging the type of the section where the unit is located, and adjusting the third to-be-adjusted quantity by the unit under the section according to a preset section strategy, a frequency protection strategy and a water and electricity standby protection strategy to obtain the residual to-be-adjusted quantity.

In particular, the amount of the solvent to be used,

the section types comprise a conventional energy section and a multi-energy mixed section;

if only a conventional unit is operated under the current section, judging that the current section is a conventional energy section; the conventional units comprise a hydroelectric generating unit and a thermal generating unit;

if the current section is operated with a new energy unit besides the conventional unit, judging that the current section is a multi-energy mixed section; the new energy machine set comprises a wind power machine set and a photoelectric machine set.

The conventional energy section and the multi-energy mixed section can be divided into a normal area, a help area, an emergency area and an out-of-limit area according to the load rate;

the normal zone is a section with the load rate not reaching 85 percent; the help zone is a section with the load rate reaching 85% but not reaching 95%; the emergency area is a section with the load rate reaching 95% but not reaching 100%; the out-of-limit area is a section with the load rate reaching or exceeding 100%.

For conventional profiles, the conventional profile control strategy is shown in table 1, including:

TABLE 1

Rate of load	Interval of cross section	High sensitivity	Low sensitivity
				More than 85 percent	Normal zone	↓→↑	↓→↑
Between 85% and 95%	Help area	↓→	↓→↑
				Between 95% and 100%	Emergency area	Preference ↓	↓→
Greater than or equal to 100 percent	Out-of-limit zone	↓	↓

For the section in the normal area, the hydroelectric generating set is lifted normally, and the section does not adjust the hydroelectric generating set;

for the section in the help area, the section does not actively adjust the unit, the high-sensitivity unit does not allow the section to be deteriorated, the high-sensitivity unit under the section is locked in an ascending mode and does not participate in power ascending adjustment, the power descending is normal, and the section is prevented from exceeding the limit; the unit with weak sensitivity is not limited;

for the section in the emergency area, the section does not actively adjust the units, all the units do not allow the section to be deteriorated, all the units under the section are locked in an ascending mode, do not participate in the ascending power adjustment, and normally adjust the descending power; the high-sensitivity unit is preferentially adjusted towards the direction of the recovery section;

for the cross section in the out-of-limit area, all the units under the cross section are lifted and locked, do not participate in the power-lifting adjustment any more, and all the units are adjusted towards the direction of the cross section recovery; and sequencing the units which can participate in adjustment under the section according to the load rate, and sequentially adjusting the units which are in front of the sequence by one step length until the active power of the section is restored to be within the limit value.

In this embodiment, the definition of the rising latch is as follows:

the hydropower is adjusted by taking 5 percent of capacity as step length under the conditions of ensuring the water level safety and enough up-and-down standby on the climbing/descending slope. Real-time acquisition of water and electricity upstream water level Z_UAnd downstream water level Z_LRespectively judging whether the difference is greater than the limit value Z_SWhether the upstream water level is higher than the highest limit water level Z_MAXWhether the downstream water level is lower than the lowest limit water level Z_MIN。

When one of the following conditions is satisfied, the unit is judged to be the ascending locking:

Z_U-Z_L＜＝Z_S

Z_L＜Z_MIN

and when the following conditions are met, judging the unit to be descending locked:

Z_U＞Z_MAXand Z is_U-Z_L＞Z_S

The ascending locking mode cannot give an increasing force instruction to the unit; the descent lockout mode cannot issue a derating force instruction to the unit.

For a multi-energy hybrid profile, the multi-energy hybrid profile control strategy comprises:

for the section in the normal area, the conventional unit is adjusted normally, and the new energy unit is adjusted according to the peak regulation and section control instruction;

for the section in the help area, the conventional unit is adjusted towards the section recovery direction, and the adjusting amount of the new energy unit is the minimum value of the current output, peak shaving and section control instruction;

for the section in the emergency area, the conventional unit is adjusted towards the section recovery direction, and if the conventional unit is sufficient in reserve, the adjustment amount of the new energy unit is the minimum value of the current output, peak shaving and section control instruction; otherwise, the new energy unit is adjusted towards the section recovery direction;

and for the section in the out-of-limit area, all the units are adjusted towards the direction of section recovery.

The combination of the frequency protection strategy and the hydropower protection strategy is embodied by the following steps:

(41) and under the condition of considering the hydropower standby protection strategy, adjusting the third waiting adjustment amount through the hydroelectric generating set to obtain a fourth waiting adjustment amount.

Specifically, the hydropower backup protection strategy comprises:

judging the load trend, wherein the load trend comprises climbing, descending and stability;

if the load trend is climbing:

if the reserve capacity of the hydroelectric generating set is more than 70 percent of the reserve capacity, the output of the hydroelectric generating set is increased to 70 percent of the reserve capacity, and the reserve capacity delta P of the hydroelectric generating set is obtained_{Water (W)}；

Otherwise, the hydroelectric generating set reduces the output to 70% of the reserve capacity, and the reserve capacity delta P of the hydropower is obtained_{Water (W)}；

If the load trend is downhill:

if the reserve capacity under the hydroelectric generating set is more than 70 percent of the reserve capacity, reducing the output of the hydroelectric generating set to 70 percent of the reserve capacity, and obtaining the reserve capacity delta P of the hydroelectric generating set_{Water (W)}；

Otherwise, the increased output of the hydroelectric generating set is 70 percent of the reserve capacity of the hydroelectric generating set, and the reserve capacity delta P of the hydropower is obtained_{Water (W)}；

If the load trend is stable, 50% of the rotary equipment is kept.

(42) And adjusting the fourth quantity to be adjusted according to the load trend in the rotary preparation range of the thermal power generating unit to obtain a fifth quantity to be adjusted.

Specifically, the load trend is judged, wherein the load trend comprises climbing, descending and stability;

when the load climbs a slope:

when the frequency is lower than 49.94 or higher than 50.08, the thermal power generating unit is adjusted towards the frequency recovery direction;

the frequency is between 49.94-49.96 and 50.06-50.08, and the thermal power generating unit is not allowed to deteriorate the frequency;

when the load is going downhill:

when the frequency is lower than 49.92 or higher than 50.06, the thermal power generating unit adjusts towards the frequency recovery direction;

the frequency is between 49.92-49.94 and 50.04-50.06, and the thermal power generating unit is not allowed to deteriorate the frequency;

when the load is smooth:

and the thermal power generating unit executes a load rate balancing strategy, namely, the adjustment is carried out in the direction of fair load rate.

(43) And if the section is the conventional energy section, the fifth waiting adjustment amount is the residual waiting adjustment amount.

And if the section is a multi-energy mixed section, adjusting the fifth to-be-adjusted quantity within the adjustment quantity range of the new energy unit to obtain the residual to-be-adjusted quantity.

Specifically, the adjustment amount of the new energy source unit is determined by the following method:

and the wind turbine generator and the photovoltaic generator increase and decrease 1% of the capacity according to respective power generation prediction trends, and the smaller value of the section control instruction and the prediction increment adjustment instruction is taken.

P_send＝min{P+P_dp,1min,P-P_dp,1min,P_sec}

P_dp,1min＝(P_wind-P_wind,1min)*θ_wind+(P_pv-P_pv,1min)*θ_pv

Wherein, P_dp,1minFor future 1 minute increments, P_windPredicting the current value, P, for wind power_pvFor photoelectric prediction of current value, P_wind,1minIs a wind power ultra-short term 1 minute predicted value, P_pv,1minIs a predicted value theta of photoelectric ultrashort time 1 minute_windIs the wind power weight value, theta_pvThe wind and photoelectric weight values can be preset according to the importance ratio, P_secFor profile control commands, P_sendIs the final wind/light command, P is the current wind/light output, P + P_dp,1min＝P_tmpP at this time_tmpFor regulating quantities during wind power climbing, P-P_dp,1min＝P_tmpP at this time_tmpThe adjustment amount of the wind power when going downhill is obtained.

And S105, completing the adjustment of the residual amount to be adjusted by the thermal power generating unit.

The application also provides a multi-type energy source integrated cooperative control device based on the method, which comprises the following steps:

a first amount-to-be-adjusted determining module 401, configured to obtain a first amount-to-be-adjusted according to the full-grid load increment of the power grid and the pre-filtered regional control deviation, according to the following formula:

P_{total_reg1}＝P_load-ACE_fil

wherein P is_{total_reg1}Is the first quantity to be adjusted, P_loadFor full network load increment, ACE_filControlling the deviation for the pre-filtered region; load increment P of whole network_loadMay be obtained by calculating the difference between the planned load and the current load.

A second waiting adjustment amount determining module 402, configured to perform frequency modulation on the first waiting adjustment amount by using the hydroelectric generating set to obtain a second waiting adjustment amount P_{total_reg2}；

Specifically, the upper limit of the output of the hydroelectric generating set is the capacity of the hydroelectric generating set, and the regulating quantity of the hydroelectric generating set is recorded as delta P₁Then, then

P_{total_reg2}＝P_{total_reg1}-ΔP₁

A third waiting adjustment amount determining module 403 configured to obtain a third waiting adjustment amount P according to the second waiting adjustment amount, the wind power prediction increment, the photoelectric prediction increment, and the tie line prediction increment_{total_reg3}The method specifically comprises the following steps:

P_{total_reg3}＝P_{total_reg2}+ΔP_wind+ΔP_pv+ΔP_line

wherein, Δ P_windPredicting delta, P, for wind power_pvFor photoelectric prediction of increment, Δ P_linePredicting an increment for the tie line; delta P_wind、ΔP_pv、ΔP_lineCan be obtained by calculating the difference between the planned value and the current value.

And the strategy adjusting module 404 is configured to judge the type of the section where the unit is located, and adjust the third to-be-adjusted quantity by the unit under the section according to a preset section strategy, a frequency protection strategy and a hydropower backup protection strategy to obtain a remaining to-be-adjusted quantity.

And a residual waiting adjustment module 405 configured to complete adjustment of the residual waiting adjustment by the thermal power generating unit.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

Claims (10)

1. A multi-type energy integrated cooperative control method is characterized by comprising the following steps:

(1) obtaining a first quantity to be adjusted according to the whole network load increment of the power grid and the pre-filtering area control deviation;

(2) utilizing a hydroelectric generating set to carry out frequency modulation on the first quantity to be modulated to obtain a second quantity to be modulated;

(3) obtaining a third quantity to be regulated according to the second quantity to be regulated, the wind power prediction increment, the photoelectric prediction increment and the tie line prediction increment;

(4) judging the type of the section where the unit is located, and adjusting the third to-be-adjusted quantity by the unit under the section according to a preset section strategy, a frequency protection strategy and a hydropower standby protection strategy to obtain a residual to-be-adjusted quantity;

(5) and the thermal power generating unit is used for adjusting the residual amount to be adjusted.

2. The method of claim 1,

the first quantity to be adjusted is expressed as:

P_{total_reg1}＝P_load-ACE_fil

wherein, P_{total_reg1}Is the first quantity to be adjusted, P_loadFor full network load increment, ACE_filControlling the deviation for the pre-filtered region;

the pre-filtered area control deviation ACE_filExpressed as:

ACE_fil＝ACE_fil,k+1＝(1-α)*ACE_fil,k+1+α*ACE_fil，k+1

wherein α is a filter factor, ACE_fil，k+1Controlling the deviation ACE value for the area after k times of filtering, wherein k is the preset filtering times;

the third waiting adjustment amount P_totalreg3Expressed as:

P_{total_reg3}＝P_{total_reg2}+ΔP_wind+ΔP_pv+ΔP_line

wherein, Δ P_windPredicting delta, P, for wind power_pvFor photoelectric prediction of increment, Δ P_lineAn increment is predicted for the tie line.

3. The method of claim 1, wherein the profile types include a conventional energy profile and a multi-energy hybrid profile;

if only a conventional unit is operated under the current section, judging that the current section is the conventional energy section; the conventional unit comprises a hydroelectric generating unit and a thermal generating unit;

if the current section is operated with a new energy unit besides the conventional unit, judging that the current section is a multi-energy mixed section; the new energy machine set comprises a wind power machine set and a photoelectric machine set.

4. The method of claim 3, wherein the conventional energy profile and the multi-energy hybrid profile are each divided into a normal zone, a help zone, an emergency zone, and an out-of-limit zone according to a load factor;

the normal zone is a section with the load rate not reaching 85%; the help area is a section with a load rate of 85% but not 95%; the emergency area is a section with a load rate reaching 95% but not reaching 100%; the out-of-limit area is a section with the load rate reaching or exceeding 100%.

5. The method of claim 4, wherein the conventional profile control strategy comprises:

for the section in the help area, the high-sensitivity unit under the section is lifted and locked, and does not participate in the power-up regulation any more;

for the section in the emergency area, all the groups under the section are set to be lifted and locked, and do not participate in the power lifting regulation any more; the high-sensitivity unit is preferentially adjusted towards the direction of the recovery section;

for the cross section in the out-of-limit area, all the units under the cross section are lifted and locked, and do not participate in the power-lifting regulation any more, and all the units are regulated towards the direction of the cross section recovery.

6. The method of claim 4, wherein the multi-energy hybrid profile control strategy comprises:

for the section in the normal area, the conventional unit is adjusted normally, and the new energy unit is adjusted according to the peak regulation and section control instruction;

for the section in the help area, the conventional unit is adjusted towards the section recovery direction, and the adjusting amount of the new energy unit is the minimum value of the current output, peak shaving and section control instruction;

for the section in the emergency area, the conventional unit is adjusted towards the section recovery direction, and if the conventional unit is sufficient in reserve, the adjustment amount of the new energy unit is the minimum value of the current output, peak shaving and section control instruction; otherwise, the new energy unit is adjusted towards the section recovery direction;

and for the section in the out-of-limit area, all the units are adjusted towards the direction of section recovery.

7. The method according to claim 5 or 6, wherein the frequency protection strategy in the case of section adjustment of the unit in step (4) comprises:

(41) under the condition of considering the hydropower standby protection strategy, adjusting the third to-be-adjusted quantity through a hydroelectric generator set to obtain a fourth to-be-adjusted quantity;

(42) the thermal power generating unit adjusts the fourth quantity to be adjusted within the rotary preparation range according to the load trend to obtain a fifth quantity to be adjusted;

(43) if the section is the conventional energy section, the fifth waiting adjustment amount is the residual waiting adjustment amount;

and if the section is a multi-energy mixed section, adjusting the fifth to-be-adjusted quantity within the adjustment quantity range of the new energy unit to obtain the residual to-be-adjusted quantity.

8. The method of claim 7, wherein the hydroelectric backup protection strategy comprises:

judging the load trend, wherein the load trend comprises climbing, descending and stability;

if the load trend is climbing:

if the reserve capacity of the hydroelectric generating set is more than 70 percent of the reserve capacity, the output of the hydroelectric generating set is increased to 70 percent of the reserve capacity, and the reserve capacity delta P of the hydroelectric generating set is obtained_{Water (W)}；

Otherwise, the hydroelectric generating set reduces the output to 70% of the reserve capacity, and the reserve capacity delta P of the hydropower is obtained_{Water (W)}；

If the load trend is downhill:

if the reserve capacity under the hydroelectric generating set is more than 70 percent of the reserve capacity, reducing the output of the hydroelectric generating set to 70 percent of the reserve capacity, and obtaining the reserve capacity delta P of the hydroelectric generating set_{Water (W)}；

Otherwise, the increased output of the hydroelectric generating set is 70 percent of the reserve capacity of the hydroelectric generating set, and the reserve capacity delta P of the hydropower is obtained_{Water (W)}；

If the load trend is stable, 50% of the rotary equipment is kept.

9. The method of claim 7, wherein step (42) comprises:

judging the load trend, wherein the load trend comprises climbing, descending and stability;

when the load climbs a slope:

when the frequency is lower than 49.94 or higher than 50.08, the thermal power generating unit is adjusted towards the frequency recovery direction;

the frequency is between 49.94-49.96 and 50.06-50.08, and the thermal power generating unit is not allowed to deteriorate the frequency;

when the load is going downhill:

when the frequency is lower than 49.92 or higher than 50.06, the thermal power generating unit adjusts towards the frequency recovery direction;

the frequency is between 49.92-49.94 and 50.04-50.06, and the thermal power generating unit is not allowed to deteriorate the frequency;

when the load is smooth:

and the thermal power generating unit executes a load rate balancing strategy, namely, the adjustment is carried out in the direction of fair load rate.

10. A multi-type energy integrated cooperative control device is characterized by comprising:

the first to-be-regulated quantity determining module is configured to obtain a first to-be-regulated quantity according to the full-grid load increment of the power grid and the pre-filtered area control deviation;

the second to-be-adjusted quantity determining module is configured to utilize the hydroelectric generating set to perform frequency modulation on the first to-be-adjusted quantity to obtain a second to-be-adjusted quantity;

the third to-be-adjusted quantity determining module is used for obtaining a third to-be-adjusted quantity according to the second to-be-adjusted quantity, the wind power prediction increment, the photoelectric prediction increment and the tie line prediction increment;

the strategy adjusting module is configured to judge the type of the section where the unit is located, and adjust the third to-be-adjusted quantity by the unit under the section according to a preset section strategy, a frequency protection strategy and a water and electricity standby protection strategy to obtain a residual to-be-adjusted quantity;

and the residual quantity-to-be-regulated adjusting module is configured to complete the adjustment of the residual quantity-to-be-regulated by the thermal power generating unit.

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