CN113852136B - Power supply configuration method and device for new energy base delivery scheme - Google Patents

Power supply configuration method and device for new energy base delivery scheme Download PDF

Info

Publication number
CN113852136B
CN113852136B CN202111125768.8A CN202111125768A CN113852136B CN 113852136 B CN113852136 B CN 113852136B CN 202111125768 A CN202111125768 A CN 202111125768A CN 113852136 B CN113852136 B CN 113852136B
Authority
CN
China
Prior art keywords
new energy
power
power supply
configuration
capacity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111125768.8A
Other languages
Chinese (zh)
Other versions
CN113852136A (en
Inventor
金楚
杨燕
彭勃
卢洵
张蓓
徐蔚
李作红
林勇
左郑敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202111125768.8A priority Critical patent/CN113852136B/en
Publication of CN113852136A publication Critical patent/CN113852136A/en
Application granted granted Critical
Publication of CN113852136B publication Critical patent/CN113852136B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
    • 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
    • H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H02J3/0075—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source according to economic or energy efficiency considerations, e.g. economic dispatch
    • 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
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]

Abstract

The invention discloses a power supply configuration method and a power supply configuration device for a new energy base delivery scheme, which are characterized in that a new energy base delivery base simulation model is constructed, and authority setting is carried out on the new energy base delivery base simulation model; and simultaneously, performing quasi-operation on the set power supply configuration scheme based on the new energy delivery base simulation model, and simultaneously, performing update iteration on related parameters in the power supply configuration scheme through preset rules to acquire the power price of the receiving end power grid under different power supply configuration schemes until the power supply configuration scheme corresponding to the minimum value of the power price of the receiving end power grid is acquired, and taking the power supply configuration scheme as the power supply configuration scheme of the new energy base delivery scheme. Compared with the prior art, the method and the device have the advantages that the model is subjected to simulation checking calculation, so that the optimization of the configuration parameters of the new energy delivery base is obtained, the reasonable utilization of energy is realized, and meanwhile, the influence of related factors on the new energy delivery is reduced.

Description

Power supply configuration method and device for new energy base delivery scheme
Technical Field
The invention relates to the technical field of power system analysis and planning, in particular to a power supply configuration method and device for a new energy base transmission scheme.
Background
In the prior art, the large-scale development and the long-distance delivery of the western new energy base are limited by the reverse distribution characteristics of energy resources and loads of China, and are one of important paths of power development of China. At present, the long-distance high-capacity power transmission in China adopts two technical routes of extra-high voltage alternating current and direct current. The extra-high voltage alternating current networking forms a large power grid, is used as a synchronous power grid, has stronger capability of resisting risks, but has very large line loss of long-distance alternating current transmission, is easy to generate a large-range power grid accident, and is difficult to dispatch.
At present, the new energy power ratio of the outgoing channel is not lower than 50% in the new energy outgoing policy, which means that the capacity of wind power and photovoltaic needs to be increased for the power supply setting of the sending end. In the process of collecting and delivering large-scale new energy, the existing new energy delivering base project is limited by the comprehensive electricity discarding rate of new energy power generation, and a power transmission network needs to bear the new energy quantity of the new energy delivering base exceeding the capacity of an delivering channel in the time period of wind power and photovoltaic large delivery, so that the power transmission network supports the delivering project and bears peak regulation pressure, and thus the power transmission network has a negative attitude on the new energy delivering path, and resources are not reasonably utilized.
Disclosure of Invention
The invention aims to solve the technical problems that: a power supply configuration method and a device for a new energy base delivery scheme acquire optimization of new energy base delivery configuration parameters by simulation checking of a model, so that reasonable utilization of energy is realized, and waste of energy is reduced.
In order to solve the technical problems, the invention provides a power supply configuration method of a new energy base delivery scheme, which comprises the following steps:
acquiring and generating a new energy delivery base simulation model according to basic parameters of a new energy delivery base, and performing authority setting on the new energy delivery base simulation model;
judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds or not when the new energy delivery base simulation model is operated in a simulation mode;
when the corresponding preset threshold is not met, updating the first power supply configuration scheme according to a preset rule, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold when the new energy delivery base simulation model performs simulation operation or not until the corresponding preset threshold is judged to be met;
When the fact that the corresponding preset threshold value is met is determined, calculating the receiving end-to-network electricity price of the current first power supply configuration scheme, and storing the current first power supply configuration scheme and the corresponding receiving end-to-network electricity price into a scheme alternative set;
judging whether a first parameter set in the current first power supply configuration scheme meets a preset parameter set or not;
when the preset parameter set is not met, updating the current first power supply configuration scheme according to a preset rule, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme meet a corresponding preset threshold value when the new energy delivery base simulation model is operated in a simulation mode;
and when the preset parameter set is determined to be met, selecting the minimum value of the power price of the receiving end power grid in the scheme alternative set, and outputting a first power supply configuration scheme corresponding to the minimum value of the power price of the receiving end power grid.
Further, authority setting is carried out on the new energy source delivery base simulation model, specifically:
and carrying out power transmission permission setting on the new energy source transmission base simulation model so as to enable the new energy source transmission base simulation model to stop transmitting power to a transmitting end power grid.
Further, judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds or not when the new energy delivery base simulation model is operated in a simulation mode, specifically:
Calculating and acquiring a new energy duty ratio and a new energy comprehensive power rejection rate of the first power supply configuration scheme during simulation operation of the new energy delivery base simulation model through production simulation software;
judging whether the obtained new energy duty ratio of the first power supply configuration scheme is higher than a corresponding preset threshold value, and judging whether the new energy comprehensive power rejection rate of the first power supply configuration scheme is lower than the corresponding preset threshold value;
when the obtained new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme during operation simultaneously meet the corresponding preset threshold value, determining that the corresponding preset threshold value is met;
and when the obtained new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme during operation cannot meet the corresponding preset threshold value at the same time, determining that the corresponding preset threshold value is not met.
Further, whether the first parameter set in the current first power supply configuration scheme meets a preset parameter set is judged, specifically:
the first parameter set comprises thermal power configuration capacity, wind power configuration capacity, photovoltaic configuration capacity and energy storage configuration capacity;
judging whether the energy storage configuration capacity of the current first power supply configuration scheme reaches a first preset parameter in a preset parameter set or not;
When the energy storage configuration capacity does not reach the first preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the energy storage configuration capacity reaches the first preset parameter, judging whether the ratio of the wind power configuration capacity to the photovoltaic configuration capacity of the current first power supply configuration scheme reaches a second preset parameter in the preset parameter set;
when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity reaches the second preset parameter, judging whether the thermal power configuration capacity of the current first power supply configuration scheme reaches a third preset parameter in the preset parameter set;
when the thermal power configuration capacity does not reach a third preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the thermal power configuration capacity reaches the third preset parameter, determining that the first parameter set meets the preset parameter set.
Further, when the preset parameter set is not satisfied, updating the current first power supply configuration scheme according to a preset rule, specifically:
When the energy storage configuration capacity does not reach the first preset parameter, and then the first parameter set is determined to not meet the preset parameter set, the energy storage configuration capacity is increased according to a first preset rule, and the current first power supply configuration scheme is updated according to the increased energy storage configuration capacity;
when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, reducing the ratio of the wind power configuration capacity to the photovoltaic configuration capacity according to a second preset rule, and updating the current first power supply configuration scheme according to the reduced ratio of the wind power configuration capacity to the photovoltaic configuration capacity;
and when the thermal power configuration capacity does not reach the third preset parameter, increasing the thermal power configuration capacity according to a third preset rule, and updating the current first power supply configuration scheme according to the increased thermal power configuration capacity.
Further, the invention also provides a power supply configuration device of the new energy base transmission scheme, which comprises: the device comprises an acquisition module, a first judgment module, a first updating module, a storage module, a second judgment module, a second updating module and a selection module;
the acquisition module is used for acquiring and generating a new energy delivery base simulation model according to basic parameters of the new energy delivery base, and performing authority setting on the new energy delivery base simulation model;
The first judging module is used for judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds or not when the new energy delivery base simulation model is operated in a simulation mode;
the first updating module is used for updating the first power supply configuration scheme according to a preset rule when the corresponding preset threshold is determined not to be met, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme in the simulation operation of the new energy delivery base simulation model meet the corresponding preset threshold or not until the corresponding preset threshold is judged to be met;
the storage module is used for calculating the receiving end-to-network electricity price of the current first power supply configuration scheme when the corresponding preset threshold value is determined to be met, and storing the current first power supply configuration scheme and the corresponding receiving end-to-network electricity price thereof into a scheme alternative set;
the second judging module is used for judging whether a first parameter set in the current first power supply configuration scheme meets a preset parameter set or not;
the second updating module is used for updating the current first power supply configuration scheme according to a preset rule when the preset parameter set is determined not to be met, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme meet the corresponding preset threshold value or not when the new energy delivery base simulation model is operated in a simulation mode;
And the selecting module is used for selecting the minimum value of the power price of the receiving end power grid in the scheme alternative set when the preset parameter set is determined to be met, and outputting a first power supply configuration scheme corresponding to the minimum value of the power price of the receiving end power grid.
Further, the obtaining module is configured to set authority for the new energy delivery base simulation model, specifically:
and carrying out power transmission permission setting on the new energy source transmission base simulation model so as to enable the new energy source transmission base simulation model to stop transmitting power to a transmitting end power grid.
Further, the first judging module is configured to judge whether a new energy duty ratio and a new energy comprehensive power rejection rate of the first power supply configuration scheme in the simulation operation of the new energy delivery base simulation model meet corresponding preset thresholds, specifically:
calculating and acquiring a new energy duty ratio and a new energy comprehensive power rejection rate of the first power supply configuration scheme during simulation operation of the new energy delivery base simulation model through production simulation software;
judging whether the obtained new energy duty ratio of the first power supply configuration scheme is higher than a corresponding preset threshold value, and judging whether the new energy comprehensive power rejection rate of the first power supply configuration scheme is lower than the corresponding preset threshold value;
When the obtained new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme during operation simultaneously meet the corresponding preset threshold value, determining that the corresponding preset threshold value is met;
and when the obtained new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme during operation cannot meet the corresponding preset threshold value at the same time, determining that the corresponding preset threshold value is not met.
Further, the second judging module is configured to judge whether the first parameter set in the current first power supply configuration scheme meets a preset parameter set, specifically:
the first parameter set comprises thermal power configuration capacity, wind power configuration capacity, photovoltaic configuration capacity and energy storage configuration capacity;
judging whether the energy storage configuration capacity of the current first power supply configuration scheme reaches a first preset parameter in a preset parameter set or not;
when the energy storage configuration capacity does not reach the first preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the energy storage configuration capacity reaches the first preset parameter, judging whether the ratio of the wind power configuration capacity to the photovoltaic configuration capacity of the current first power supply configuration scheme reaches a second preset parameter in the preset parameter set;
When the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity reaches the second preset parameter, judging whether the thermal power configuration capacity of the current first power supply configuration scheme reaches a third preset parameter in the preset parameter set;
when the thermal power configuration capacity does not reach a third preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the thermal power configuration capacity reaches the third preset parameter, determining that the first parameter set meets the preset parameter set.
Further, the second updating module is configured to update the current first power supply configuration scheme according to a preset rule when it is determined that the preset parameter set is not satisfied, where the updating module specifically includes:
when the energy storage configuration capacity does not reach the first preset parameter, and then the first parameter set is determined to not meet the preset parameter set, the energy storage configuration capacity is increased according to a first preset rule, and the current first power supply configuration scheme is updated according to the increased energy storage configuration capacity;
when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, reducing the ratio of the wind power configuration capacity to the photovoltaic configuration capacity according to a second preset rule, and updating the current first power supply configuration scheme according to the reduced ratio of the wind power configuration capacity to the photovoltaic configuration capacity;
And when the thermal power configuration capacity does not reach the third preset parameter, increasing the thermal power configuration capacity according to a third preset rule, and updating the current first power supply configuration scheme according to the increased thermal power configuration capacity.
Compared with the prior art, the power supply configuration method and the power supply configuration device for the new energy base transmission scheme have the following beneficial effects:
in order to respond to the new energy delivery policy, the influence of a power grid at a delivery end on the delivery of the new energy is reduced by constructing a new energy delivery base simulation model and setting authority of the new energy delivery base simulation model; meanwhile, the set power supply configuration scheme is simulated to run based on the new energy output base simulation model, so that the simulation parameters obtained by running are more accurate, and the power supply configuration scheme is updated and iterated through preset rules, and continuously acquiring the power price of the receiving-end power grid under different power supply configuration schemes until the power supply configuration scheme corresponding to the minimum value of the power price of the receiving-end power grid is acquired. Compared with the prior art, the method and the device have the advantages that the model is subjected to simulation checking calculation, so that the optimization of the configuration parameters of the new energy delivery base is obtained, the reasonable utilization of energy is realized, and meanwhile, the influence of related factors on the new energy delivery is reduced.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of a power configuration method of a new energy base delivery scheme provided by the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a power configuration device of a new energy base delivery scheme provided by the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic flow chart of an embodiment of a power supply configuration method of a new energy base delivery scheme provided by the present invention, as shown in fig. 1, the method includes steps 101 to 107, specifically as follows:
step 101: and acquiring and generating a new energy delivery base simulation model according to the basic parameters of the new energy delivery base, and performing authority setting on the new energy delivery base simulation model.
In this embodiment, based on the existing new energy delivery base, the basic parameters of the new energy delivery base are obtained, where the basic parameters of the new energy delivery base include a specified delivery channel capacity, a channel utilization hour number, a load characteristic curve of 8760 hours of the receiving end in the whole year, a power output characteristic curve of 8760 hours of the new energy at the receiving end in the whole year, a channel line loss rate, a maximum power generation rate, a minimum power generation rate, and the like. And generating a corresponding new energy output base simulation model by inputting the acquired basic parameters of the new energy output base.
In this embodiment, the power transmission permission setting is performed on the generated new energy output base simulation model, so that power transmission is not performed on the power transmission end power grid in the new energy output base simulation model, and it is ensured that the power supply configuration scheme for performing the operation in the new energy output base simulation model can be independent of the power transmission end power grid and only receive the support of the power transmission end power grid, and power feedback is not performed on the power transmission end power grid, so that reasonable utilization of power resources is realized, and peak regulation pressure of the power transmission end power grid is reduced.
Step 102: and judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds when the new energy delivery base simulation model is operated in a simulation mode.
In this embodiment, a first power supply configuration scheme of the new energy output base is first constructed, and relevant parameters are set for the first power supply configuration scheme. As an example in the embodiment, a thermal power configuration capacity is set in a first power configuration scheme, wherein an initial set capacity of the thermal power configuration capacity is 0; setting wind power configuration capacity and photovoltaic configuration capacity in a first power supply configuration scheme, so that the ratio of the wind power configuration capacity to the photovoltaic configuration capacity meets the initial setting ratio, wherein the initial ratio of the wind power configuration capacity to the photovoltaic configuration capacity is 3:1, a step of; and simultaneously, setting the energy storage configuration capacity in the first power supply configuration scheme, and setting the energy storage time of the energy storage configuration capacity to be a fixed value of 4 hours, wherein the initial set capacity of the energy storage configuration capacity is 0. In this embodiment, the thermal power configuration capacity, the ratio of the wind power configuration capacity to the photovoltaic configuration capacity, and the energy storage configuration capacity configured in the first power configuration scheme are the first parameter set in the first power configuration scheme.
In this embodiment, a first power supply configuration scheme with a set first parameter set is input into a new energy delivery base simulation model to perform simulation operation, and new energy duty ratio and new energy comprehensive power rejection rate of the first power supply configuration scheme when the new energy delivery base simulation model performs simulation operation are extracted through production simulation software and calculated according to relevant data of the first parameter set in the first power supply configuration scheme.
In this embodiment, the calculated new energy duty ratio is compared with a preset threshold corresponding to the new energy duty ratio, whether the new energy duty ratio is higher than the preset threshold corresponding to the new energy duty ratio is judged, and meanwhile, the calculated new energy comprehensive power rejection ratio is compared with the corresponding preset threshold, and whether the new energy comprehensive power rejection ratio is lower than the preset threshold corresponding to the new energy comprehensive power rejection ratio is judged. As a preferable scheme in this embodiment, the preset threshold corresponding to the new energy duty ratio is set to be 50%, and the preset threshold corresponding to the new energy comprehensive power rejection ratio is set to be 7%.
In this embodiment, when the calculated new energy duty ratio and the new energy comprehensive power rejection rate simultaneously meet the corresponding preset threshold, that is, the calculated new energy duty ratio is higher than 50%, and the calculated new energy comprehensive power rejection rate is lower than 7%, it is determined that the corresponding preset threshold is met.
In this embodiment, when the calculated new energy duty ratio and the new energy comprehensive power-off ratio cannot simultaneously satisfy the corresponding preset threshold values, it is determined that the corresponding preset threshold values are not satisfied, that is, when the calculated new energy duty ratio is not higher than 50% and the calculated new energy comprehensive power-off ratio is not lower than 7%, it is determined that the corresponding preset threshold values are not satisfied; or when the calculated new energy ratio is higher than 50%, but the calculated new energy comprehensive power rejection rate is not lower than 7%, determining that the corresponding preset threshold is not met, or when the calculated new energy comprehensive power rejection rate is lower than 7%, but the calculated new energy ratio is not higher than 50%, determining that the corresponding preset threshold is not met.
Step 103: and when the corresponding preset threshold is not met, updating the first power supply configuration scheme according to a preset rule, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold when the new energy delivery base simulation model performs simulation operation or not until the corresponding preset threshold is judged to be met.
In this embodiment, when it is determined that the corresponding preset threshold is not satisfied, the first parameter set in the first power supply configuration scheme is updated according to a preset rule. As an example in this embodiment, when it is determined that the corresponding preset threshold is not satisfied, updating the first parameter set in the first power supply configuration scheme according to the first preset rule, increasing the energy storage configuration capacity of the first parameter set in the first power supply configuration scheme, and updating the first power supply configuration scheme according to the increased energy storage configuration capacity; and returning to step 102, wherein the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold value or not during the simulation operation of the new energy delivery base simulation model is performed; until the energy storage configuration capacity in the updated first power supply configuration scheme reaches a first preset parameter.
As an example in this embodiment, when it is determined that the corresponding preset threshold is not met and the energy storage configuration capacity in the first power supply configuration scheme reaches the first preset parameter, updating the first parameter set in the first power supply configuration scheme according to the second preset rule, reducing the ratio of the wind power configuration capacity to the photovoltaic configuration capacity, updating the current energy storage configuration capacity in the first power supply configuration scheme to the initial set capacity, updating the current first power supply configuration scheme according to the reduced ratio of the wind power configuration capacity to the photovoltaic configuration capacity and the updated energy storage configuration capacity to the initial set capacity, and returning to step 102 to determine whether the new energy duty ratio and the new energy comprehensive power rejection ratio of the first power supply configuration scheme meet the corresponding preset threshold when the new energy delivery base simulation model is simulated; and until the proportion of the wind power configuration capacity and the photovoltaic configuration capacity in the updated first power supply configuration scheme reaches a second preset parameter.
As an example in this embodiment, when it is determined that the corresponding preset threshold is not satisfied and the energy storage configuration capacity in the first power supply configuration scheme reaches the first preset parameter and the ratio of the wind power configuration capacity and the photovoltaic configuration capacity in the first power supply configuration scheme reaches the second preset parameter, updating the first parameter set in the first power supply configuration scheme according to the third preset rule, increasing the thermal power configuration capacity, updating the current energy storage configuration capacity in the first power supply configuration scheme to the initial set capacity, setting the ratio of the current wind power configuration capacity and the photovoltaic configuration capacity in the first power supply configuration scheme to the initial ratio, and updating the current first power supply configuration scheme according to the increased thermal power configuration capacity, the energy storage configuration capacity updated to the initial set capacity, and the ratio of the wind power configuration capacity and the photovoltaic configuration capacity updated to the initial ratio. And returning to step 102, wherein the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold value or not during the simulation operation of the new energy delivery base simulation model is performed; and until the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the updated first power supply configuration scheme reaches a third preset parameter.
As a preferred scheme in this embodiment, the first preset rule is to increase the energy storage configuration capacity in a manner of sequentially overlapping with 50 as a target number, where a first preset parameter of the energy storage configuration capacity is 300, and a unit is ten thousand watt hours; the second preset rule is to reduce the ratio of wind power configuration capacity to photovoltaic configuration capacity in a mode of sequentially overlapping by taking 0.5 as a target number, wherein the second preset parameter of the ratio of wind power configuration capacity to photovoltaic configuration capacity is 1:1, a step of; the third preset rule is to increase the thermal power configuration capacity in a mode of sequentially overlapping by taking 100 as a target number, wherein the third preset parameter of the thermal power configuration capacity is 800, the unit is that the third preset parameter of the thermal power configuration capacity is 800 when the thermal power configuration capacity is in kilowatt, and the third preset parameter of the thermal power configuration capacity is based on that the new energy output project should meet the requirement that the new energy electric quantity of a channel is more than 50%, and when the thermal power capacity at the transmitting end exceeds 800 kilowatt, the required new energy installed capacity is increased to a large probability that the new energy technology development capacity at the transmitting end area is not met, and the operation stability of the electric power system can be further improved when the new energy base output scheme is implemented.
Step 104: and when the corresponding preset threshold is determined to be met, calculating the receiving end-to-network electricity price of the current first power supply configuration scheme, and storing the current first power supply configuration scheme and the corresponding receiving end-to-network electricity price thereof into a scheme alternative set.
In this embodiment, when it is determined that the corresponding preset threshold is met, the power price measuring and calculating system calculates the received-end-to-network power price of the first power supply configuration scheme currently meeting the corresponding preset threshold, and stores the calculated received-end-to-network power price and the corresponding current first power supply configuration scheme in the scheme alternative set. In this embodiment, the construction investment amount, the input voltage level, the transmission capacity, the wire selection, the line length, the number of hours, the transformation (current conversion) and the line static investment of each kilowatt of wind power, photovoltaic, thermal power and energy storage are used as calculation parameters of the electricity price calculation system to calculate the electricity price from the receiving end to the network, wherein the electricity price from the receiving end to the network comprises the comprehensive internet electricity price, the alternating current electricity price and the direct current electricity price of the power supply base of the transmitting end.
Step 105: and judging whether a first parameter set in the current first power supply configuration scheme meets a preset parameter set or not.
In this embodiment, it is determined whether the energy storage configuration capacity of the current first power supply configuration scheme reaches a first preset parameter in a preset parameter set; when the energy storage configuration capacity does not reach the first preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the energy storage configuration capacity reaches the first preset parameter, judging whether the ratio of the wind power configuration capacity and the photovoltaic configuration capacity of the current first power supply configuration scheme reaches the second preset parameter in the preset parameter set; when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity reaches the second preset parameter, judging whether the thermal power configuration capacity of the current first power supply configuration scheme reaches a third preset parameter in the preset parameter set; when the thermal power configuration capacity does not reach the third preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the thermal power configuration capacity reaches the third preset parameter, determining that the first parameter set meets the preset parameter set.
As a preferred solution in this embodiment, a first preset parameter in a preset parameter set corresponding to the energy storage configuration capacity of the current first power supply configuration solution is 300, and its unit is ten thousand kw; the second preset parameter in the preset parameter set corresponding to the proportion of the wind power configuration capacity and the photovoltaic configuration capacity of the current first power supply configuration scheme is 1:1, a step of; the third preset parameter in the preset parameter set corresponding to the thermal power configuration capacity of the current first power supply configuration scheme is 800, and the unit of the third preset parameter is ten thousands kilowatts.
Step 106: and when the preset parameter set is not met, updating the current first power supply configuration scheme according to a preset rule, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme meet the corresponding preset threshold value when the new energy delivery base simulation model performs simulation operation.
As an example in this embodiment, when the energy storage configuration capacity of the current first power supply configuration scheme does not reach the first preset parameter, and then it is determined that the first parameter set does not meet the preset parameter set, the energy storage configuration capacity is increased according to a first preset rule, the current first power supply configuration scheme is updated with the increased energy storage configuration capacity, and step 102 is returned to "determine whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold value when the new energy delivery base simulation model is operated in simulation" until the updated energy storage configuration capacity in the current first power supply configuration scheme reaches the first preset parameter.
As an example in this embodiment, when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the current first power configuration scheme does not reach the second preset parameter and the energy storage configuration capacity in the current first power configuration scheme reaches the first preset parameter, updating the first parameter set in the current first power configuration scheme according to the second preset rule, reducing the ratio of the wind power configuration capacity to the photovoltaic configuration capacity, updating the current energy storage configuration capacity in the current first power configuration scheme to the initial set capacity, updating the current first power configuration scheme according to the ratio of the reduced wind power configuration capacity to the photovoltaic configuration capacity and the energy storage configuration capacity updated to the initial set capacity, and returning to step 102 to determine whether the new energy duty ratio and the new energy comprehensive power rejection ratio of the first power configuration scheme meet the corresponding preset threshold value when the new energy delivery base simulation model is simulated; and until the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the updated current first power supply configuration scheme reaches a second preset parameter.
As an example in this embodiment, when the thermal power configuration capacity in the current first power configuration scheme does not reach the third preset parameter, and the energy storage configuration capacity in the current first power configuration scheme reaches the first preset parameter and the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the current first power configuration scheme reaches the second preset parameter, the first parameter set in the current first power configuration scheme is updated according to the third preset rule, the thermal power configuration capacity is increased, the current energy storage configuration capacity in the current first power configuration scheme is updated to the initial set capacity, the ratio of the current wind power configuration capacity to the photovoltaic configuration capacity in the current first power configuration scheme is set to the initial ratio, and the current first power configuration scheme is updated with the ratio of the increased thermal power configuration capacity, the energy storage configuration capacity updated to the initial set capacity, and the ratio of the wind power configuration capacity and the photovoltaic configuration capacity updated to the initial ratio. And returning to step 102, wherein the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold value or not during the simulation operation of the new energy delivery base simulation model is performed; and until the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the updated current first power supply configuration scheme reaches a third preset parameter.
In this embodiment, the first preset rule, the first preset parameter, the second preset rule, the second preset parameter, the third preset rule, and the third preset parameter are the same as the configuration of the corresponding measured parameters in step 103.
Step 107: and when the preset parameter set is determined to be met, selecting the minimum value of the power price of the receiving end power grid in the scheme alternative set, and outputting a first power supply configuration scheme corresponding to the minimum value of the power price of the receiving end power grid.
In this embodiment, when it is determined that the preset parameter set is met, updating iteration is stopped for the current first power supply configuration scheme, all power rates of the receiving end power grids stored in the scheme alternative set in step 104 are obtained, all power rates of the receiving end power grids are compared, the minimum value of all power rates of the receiving end power grids is obtained, meanwhile, the first power supply configuration scheme corresponding to the minimum value of the power rates of the receiving end power grids is obtained, and the first power supply configuration scheme corresponding to the minimum value of the power rates of the receiving end power grids is used as the power supply configuration scheme in the new energy base transmission scheme.
Referring to fig. 2, fig. 2 is a schematic flow chart of an embodiment of a power configuration device of a new energy base delivery scheme provided by the present invention, and as shown in fig. 2, the device includes an obtaining module 201, a first judging module 202, a first updating module 203, a saving module 204, a second judging module 205, a second updating module 206 and a selecting module 207, which are specifically as follows:
The acquisition module 201 is configured to acquire and generate a new energy delivery base simulation model according to basic parameters of a new energy delivery base, and perform authority setting on the new energy delivery base simulation model.
In this embodiment, based on the existing new energy delivery base, the basic parameters of the new energy delivery base are obtained, where the basic parameters of the new energy delivery base include a specified delivery channel capacity, a channel utilization hour number, a load characteristic curve of 8760 hours of the receiving end in the whole year, a power output characteristic curve of 8760 hours of the new energy at the receiving end in the whole year, a channel line loss rate, a maximum power generation rate, a minimum power generation rate, and the like. And generating a corresponding new energy output base simulation model by inputting the acquired basic parameters of the new energy output base.
In this embodiment, the power transmission permission setting is performed on the generated new energy output base simulation model, so that power transmission is not performed on the power transmission end power grid in the new energy output base simulation model, and it is ensured that the power supply configuration scheme for performing the operation in the new energy output base simulation model can be independent of the power transmission end power grid and only receive the support of the power transmission end power grid, and power feedback is not performed on the power transmission end power grid, so that reasonable utilization of power resources is realized, and peak regulation pressure of the power transmission end power grid is reduced.
The first determining module 202 is configured to determine whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme satisfy corresponding preset thresholds during the simulation operation of the new energy delivery base simulation model.
In this embodiment, a first power supply configuration scheme of the new energy output base is first constructed, and relevant parameters are set for the first power supply configuration scheme. As an example in the embodiment, a thermal power configuration capacity is set in a first power configuration scheme, wherein an initial set capacity of the thermal power configuration capacity is 0; setting wind power configuration capacity and photovoltaic configuration capacity in a first power supply configuration scheme, so that the ratio of the wind power configuration capacity to the photovoltaic configuration capacity meets the initial setting ratio, wherein the initial ratio of the wind power configuration capacity to the photovoltaic configuration capacity is 3:1, a step of; and simultaneously, setting the energy storage configuration capacity in the first power supply configuration scheme, and setting the energy storage time of the energy storage configuration capacity to be a fixed value of 4 hours, wherein the initial set capacity of the energy storage configuration capacity is 0. In this embodiment, the thermal power configuration capacity, the ratio of the wind power configuration capacity to the photovoltaic configuration capacity, and the energy storage configuration capacity configured in the first power configuration scheme are the first parameter set in the first power configuration scheme.
In this embodiment, a first power supply configuration scheme with a set first parameter set is input into a new energy delivery base simulation model to perform simulation operation, and new energy duty ratio and new energy comprehensive power rejection rate of the first power supply configuration scheme when the new energy delivery base simulation model performs simulation operation are extracted through production simulation software and calculated according to relevant data of the first parameter set in the first power supply configuration scheme.
In this embodiment, the calculated new energy duty ratio is compared with a preset threshold corresponding to the new energy duty ratio, whether the new energy duty ratio is higher than the preset threshold corresponding to the new energy duty ratio is judged, and meanwhile, the calculated new energy comprehensive power rejection ratio is compared with the corresponding preset threshold, and whether the new energy comprehensive power rejection ratio is lower than the preset threshold corresponding to the new energy comprehensive power rejection ratio is judged. As a preferable scheme in this embodiment, the preset threshold corresponding to the new energy duty ratio is set to be 50%, and the preset threshold corresponding to the new energy comprehensive power rejection ratio is set to be 7%.
In this embodiment, when the calculated new energy duty ratio and the new energy comprehensive power rejection rate simultaneously meet the corresponding preset threshold, that is, the calculated new energy duty ratio is higher than 50%, and the calculated new energy comprehensive power rejection rate is lower than 7%, it is determined that the corresponding preset threshold is met.
In this embodiment, when the calculated new energy duty ratio and the new energy comprehensive power-off ratio cannot simultaneously satisfy the corresponding preset threshold values, it is determined that the corresponding preset threshold values are not satisfied, that is, when the calculated new energy duty ratio is not higher than 50% and the calculated new energy comprehensive power-off ratio is not lower than 7%, it is determined that the corresponding preset threshold values are not satisfied; or when the calculated new energy ratio is higher than 50%, but the calculated new energy comprehensive power rejection rate is not lower than 7%, determining that the corresponding preset threshold is not met, or when the calculated new energy comprehensive power rejection rate is lower than 7%, but the calculated new energy ratio is not higher than 50%, determining that the corresponding preset threshold is not met.
The first updating module 203 is configured to update the first power configuration scheme according to a preset rule when it is determined that the corresponding preset threshold is not met, and return to the step of "determining whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power configuration scheme during the simulation operation of the new energy delivery base simulation model meet the corresponding preset threshold" until it is determined that the corresponding preset threshold is met.
In this embodiment, when it is determined that the corresponding preset threshold is not satisfied, the first parameter set in the first power supply configuration scheme is updated according to a preset rule. As an example in this embodiment, when it is determined that the corresponding preset threshold is not satisfied, updating the first parameter set in the first power supply configuration scheme according to the first preset rule, increasing the energy storage configuration capacity of the first parameter set in the first power supply configuration scheme, and updating the first power supply configuration scheme according to the increased energy storage configuration capacity; and returning to the first judging module 202 to judge whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold value when the new energy delivery base simulation model is operated in a simulation mode; until the energy storage configuration capacity in the updated first power supply configuration scheme reaches a first preset parameter.
As an example in this embodiment, when it is determined that the corresponding preset threshold is not met and the energy storage configuration capacity in the first power supply configuration scheme reaches the first preset parameter, updating the first parameter set in the first power supply configuration scheme according to the second preset rule, reducing the proportion of the wind power configuration capacity and the photovoltaic configuration capacity, updating the current energy storage configuration capacity in the first power supply configuration scheme to the initial set capacity, updating the current first power supply configuration scheme according to the reduced proportion of the wind power configuration capacity and the photovoltaic configuration capacity and the updated energy storage configuration capacity to the initial set capacity, and returning to the "determining whether the new energy duty ratio and the new energy comprehensive power rejection ratio of the first power supply configuration scheme meet the corresponding preset threshold" in the simulation operation of the new energy delivery base simulation model "in the first determining module 202; and until the proportion of the wind power configuration capacity and the photovoltaic configuration capacity in the updated first power supply configuration scheme reaches a second preset parameter.
As an example in this embodiment, when it is determined that the corresponding preset threshold is not satisfied and the energy storage configuration capacity in the first power supply configuration scheme reaches the first preset parameter and the ratio of the wind power configuration capacity and the photovoltaic configuration capacity in the first power supply configuration scheme reaches the second preset parameter, updating the first parameter set in the first power supply configuration scheme according to the third preset rule, increasing the thermal power configuration capacity, updating the current energy storage configuration capacity in the first power supply configuration scheme to the initial set capacity, setting the ratio of the current wind power configuration capacity and the photovoltaic configuration capacity in the first power supply configuration scheme to the initial ratio, and updating the current first power supply configuration scheme according to the increased thermal power configuration capacity, the energy storage configuration capacity updated to the initial set capacity, and the ratio of the wind power configuration capacity and the photovoltaic configuration capacity updated to the initial ratio. And returning to the first judging module 202 to judge whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold value when the new energy delivery base simulation model is operated in a simulation mode; and until the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the updated first power supply configuration scheme reaches a third preset parameter.
As a preferred scheme in this embodiment, the first preset rule is to increase the energy storage configuration capacity in a manner of sequentially overlapping with 50 as a target number, where a first preset parameter of the energy storage configuration capacity is 300; the second preset rule is to reduce the ratio of wind power configuration capacity to photovoltaic configuration capacity in a mode of sequentially overlapping by taking 0.5 as a target number, wherein the second preset parameter of the ratio of wind power configuration capacity to photovoltaic configuration capacity is 1:1, a step of; the third preset rule is to increase the thermal power configuration capacity in a mode of sequentially overlapping by taking 100 as a target number, wherein the third preset parameter of the thermal power configuration capacity is 800, and the third preset parameter of the thermal power configuration capacity is set to 800, which is based on the fact that the new energy output project should meet the requirement that the new energy electric quantity of a channel is more than 50%, and when the thermal power capacity at the transmitting end exceeds 800 kilowatts, the required new energy installed capacity is increased to a large probability that the new energy technology development capacity at the transmitting end is not met, and the operation stability of the electric power system can be further improved when the new energy base output scheme is implemented.
The storage module 204 calculates the receiving end-to-network electricity price of the current first power supply configuration scheme when determining that the corresponding preset threshold is met, and stores the current first power supply configuration scheme and the corresponding receiving end-to-network electricity price thereof into a scheme alternative set.
In this embodiment, when it is determined that the corresponding preset threshold is met, the power price measuring and calculating system calculates the received-end-to-network power price of the first power supply configuration scheme currently meeting the corresponding preset threshold, and stores the calculated received-end-to-network power price and the corresponding current first power supply configuration scheme in the scheme alternative set. In this embodiment, the construction investment amount, the input voltage level, the transmission capacity, the wire selection, the line length, the number of hours, the transformation (current conversion) and the line static investment of each kilowatt of wind power, photovoltaic, thermal power and energy storage are used as calculation parameters of the electricity price calculation system to calculate the electricity price from the receiving end to the network, wherein the electricity price from the receiving end to the network comprises the comprehensive internet electricity price, the alternating current electricity price and the direct current electricity price of the power supply base of the transmitting end.
The second determining module 205 is configured to determine whether the first parameter set in the current first power supply configuration scheme meets a preset parameter set.
In this embodiment, it is determined whether the energy storage configuration capacity of the current first power supply configuration scheme reaches a first preset parameter in a preset parameter set; when the energy storage configuration capacity does not reach the first preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the energy storage configuration capacity reaches the first preset parameter, judging whether the ratio of the wind power configuration capacity and the photovoltaic configuration capacity of the current first power supply configuration scheme reaches the second preset parameter in the preset parameter set; when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity reaches the second preset parameter, judging whether the thermal power configuration capacity of the current first power supply configuration scheme reaches a third preset parameter in the preset parameter set; when the thermal power configuration capacity does not reach the third preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the thermal power configuration capacity reaches the third preset parameter, determining that the first parameter set meets the preset parameter set.
As a preferred solution in this embodiment, a first preset parameter in a preset parameter set corresponding to the energy storage configuration capacity of the current first power supply configuration solution is 300, and its unit is ten thousand kw; the second preset parameter in the preset parameter set corresponding to the proportion of the wind power configuration capacity and the photovoltaic configuration capacity of the current first power supply configuration scheme is 1:1, a step of; the third preset parameter in the preset parameter set corresponding to the thermal power configuration capacity of the current first power supply configuration scheme is 800, and the unit of the third preset parameter is ten thousands kilowatts.
The second updating module 206 is configured to update the current first power configuration scheme according to a preset rule when it is determined that the preset parameter set is not satisfied, and return to step "determine whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power configuration scheme satisfy the corresponding preset threshold value when the new energy delivery base simulation model performs simulation operation.
As an example in this embodiment, when the energy storage configuration capacity of the current first power supply configuration scheme does not reach the first preset parameter, and then it is determined that the first parameter set does not meet the preset parameter set, the energy storage configuration capacity is increased according to a first preset rule, the current first power supply configuration scheme is updated according to the increased energy storage configuration capacity, and the "whether the new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme meet the corresponding preset threshold value when the new energy delivery base simulation model is simulated to run" in the first judgment module 202 is returned until the energy storage configuration capacity in the updated current first power supply configuration scheme reaches the first preset parameter.
As an example in this embodiment, when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the current first power configuration scheme does not reach the second preset parameter and the energy storage configuration capacity in the current first power configuration scheme reaches the first preset parameter, updating the first parameter set in the current first power configuration scheme according to the second preset rule, reducing the ratio of the wind power configuration capacity to the photovoltaic configuration capacity, updating the current energy storage configuration capacity in the current first power configuration scheme to the initial set capacity, updating the current first power configuration scheme according to the ratio of the reduced wind power configuration capacity to the photovoltaic configuration capacity and the energy storage configuration capacity updated to the initial set capacity, and returning to the "judging whether the new energy ratio and the new energy comprehensive power rejection ratio of the first power configuration scheme meet the corresponding preset threshold" in the simulation operation of the new energy delivery base simulation model "in the first judging module 202; and until the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the updated current first power supply configuration scheme reaches a second preset parameter.
As an example in this embodiment, when the thermal power configuration capacity in the current first power configuration scheme does not reach the third preset parameter, and the energy storage configuration capacity in the current first power configuration scheme reaches the first preset parameter and the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the current first power configuration scheme reaches the second preset parameter, the first parameter set in the current first power configuration scheme is updated according to the third preset rule, the thermal power configuration capacity is increased, the current energy storage configuration capacity in the current first power configuration scheme is updated to the initial set capacity, the ratio of the current wind power configuration capacity to the photovoltaic configuration capacity in the current first power configuration scheme is set to the initial ratio, and the current first power configuration scheme is updated with the ratio of the increased thermal power configuration capacity, the energy storage configuration capacity updated to the initial set capacity, and the ratio of the wind power configuration capacity and the photovoltaic configuration capacity updated to the initial ratio. And returning to the first judging module 202 to judge whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold value when the new energy delivery base simulation model is operated in a simulation mode; and until the ratio of the wind power configuration capacity to the photovoltaic configuration capacity in the updated current first power supply configuration scheme reaches a third preset parameter.
In this embodiment, the first preset rule, the first preset parameter, the second preset rule, the second preset parameter, the third preset rule, and the third preset parameter are the same as the configuration of the corresponding measured parameters in the first update module 203.
The selecting module 207 is configured to select a minimum value of the power rates of the receiving power grids in the alternative set of schemes when it is determined that the preset parameter set is satisfied, and output a first power supply configuration scheme corresponding to the minimum value of the power rates of the receiving power grids.
In this embodiment, when it is determined that the preset parameter set is met, updating and iteration of the current first power supply configuration scheme is stopped, all power rates of the receiving end power grids stored in the scheme alternative set in the storage module 204 are obtained, all power rates of the receiving end power grids are compared, a minimum value in all power rates of the receiving end power grids is obtained, meanwhile, a first power supply configuration scheme corresponding to the minimum value in the power rates of the receiving end power grids is obtained, and the first power supply configuration scheme corresponding to the minimum value in the power rates of the receiving end power grids is used as a power supply configuration scheme in the new energy base transmission scheme.
In summary, according to the power supply configuration method and the power supply configuration device for the new energy base delivery scheme, the new energy base delivery base simulation model is generated by acquiring and according to the basic parameters of the new energy base delivery, and authority setting is carried out on the new energy base delivery base simulation model; judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds or not when the new energy delivery base simulation model is operated in a simulation mode; when the corresponding preset threshold is not met, updating the first power supply configuration scheme according to a preset rule, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet the corresponding preset threshold when the new energy delivery base simulation model performs simulation operation or not until the corresponding preset threshold is judged to be met; when the fact that the corresponding preset threshold value is met is determined, calculating the receiving end-to-network electricity price of the current first power supply configuration scheme, and storing the current first power supply configuration scheme and the corresponding receiving end-to-network electricity price into a scheme alternative set; judging whether a first parameter set in the current first power supply configuration scheme meets a preset parameter set or not; when the preset parameter set is not met, updating the current first power supply configuration scheme according to a preset rule, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme meet a corresponding preset threshold value when the new energy delivery base simulation model is operated in a simulation mode; and when the preset parameter set is determined to be met, selecting the minimum value of the power price of the receiving end power grid in the scheme alternative set, and outputting a first power supply configuration scheme corresponding to the minimum value of the power price of the receiving end power grid. Compared with the prior art, the method has the advantages that the model is subjected to simulation checking calculation, so that the optimization of the configuration parameters of the new energy delivery base is obtained, the reasonable utilization of energy is realized, and the waste of energy is reduced.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims (6)

1. The power supply configuration method of the new energy base transmission scheme is characterized by comprising the following steps of:
acquiring and generating a new energy delivery base simulation model according to basic parameters of a new energy delivery base, and performing authority setting on the new energy delivery base simulation model;
judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds or not when the new energy delivery base simulation model is operated in a simulation mode;
when the corresponding preset threshold is not met, updating the first power supply configuration scheme according to a preset rule, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme in the simulation operation of the new energy delivery base simulation model meet the corresponding preset threshold or not until the corresponding preset threshold is judged to be met;
when the fact that the corresponding preset threshold value is met is determined, calculating the receiving end-to-network electricity price of the current first power supply configuration scheme, and storing the current first power supply configuration scheme and the corresponding receiving end-to-network electricity price into a scheme alternative set;
Judging whether a first parameter set in the current first power supply configuration scheme meets a preset parameter set or not, wherein the first parameter set comprises thermal power configuration capacity, wind power configuration capacity, photovoltaic configuration capacity and energy storage configuration capacity;
judging whether the energy storage configuration capacity of the current first power supply configuration scheme reaches a first preset parameter in a preset parameter set or not;
when the energy storage configuration capacity does not reach the first preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the energy storage configuration capacity reaches the first preset parameter, judging whether the ratio of the wind power configuration capacity to the photovoltaic configuration capacity of the current first power supply configuration scheme reaches a second preset parameter in the preset parameter set;
when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity reaches the second preset parameter, judging whether the thermal power configuration capacity of the current first power supply configuration scheme reaches a third preset parameter in the preset parameter set;
when the thermal power configuration capacity does not reach a third preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the thermal power configuration capacity reaches the third preset parameter, determining that the first parameter set meets the preset parameter set;
When the energy storage configuration capacity does not reach the first preset parameter, and then the first parameter set is determined to not meet the preset parameter set, the energy storage configuration capacity is increased according to a first preset rule, and the current first power supply configuration scheme is updated according to the increased energy storage configuration capacity;
when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, reducing the ratio of the wind power configuration capacity to the photovoltaic configuration capacity according to a second preset rule, and updating the current first power supply configuration scheme according to the reduced ratio of the wind power configuration capacity to the photovoltaic configuration capacity;
when the thermal power configuration capacity does not reach the third preset parameter, increasing the thermal power configuration capacity according to a third preset rule, updating the current first power supply configuration scheme according to the increased thermal power configuration capacity, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme in the simulation operation of the new energy delivery base simulation model meet corresponding preset thresholds or not;
and when the preset parameter set is determined to be met, selecting the minimum value of the power price of the receiving end power grid in the scheme alternative set, and outputting a first power supply configuration scheme corresponding to the minimum value of the power price of the receiving end power grid.
2. The power supply configuration method of a new energy base delivery scheme according to claim 1, wherein authority setting is performed on the new energy base delivery simulation model, specifically:
and carrying out power transmission permission setting on the new energy source transmission base simulation model so as to enable the new energy source transmission base simulation model to stop transmitting power to a transmitting end power grid.
3. The power supply configuration method of a new energy base delivery scheme according to claim 1, wherein the determining whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds when the new energy base delivery simulation model performs simulation operation is specifically:
calculating and acquiring a new energy duty ratio and a new energy comprehensive power rejection rate of the first power supply configuration scheme during simulation operation of the new energy delivery base simulation model through production simulation software;
judging whether the obtained new energy duty ratio of the first power supply configuration scheme is higher than a corresponding preset threshold value, and judging whether the new energy comprehensive power rejection rate of the first power supply configuration scheme is lower than the corresponding preset threshold value;
when the obtained new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme during operation simultaneously meet the corresponding preset threshold value, determining that the corresponding preset threshold value is met;
And when the obtained new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme during operation cannot meet the corresponding preset threshold value at the same time, determining that the corresponding preset threshold value is not met.
4. A power supply configuration apparatus of a new energy base station delivery scheme, characterized in that the power supply configuration apparatus is configured to execute the power supply configuration method of the new energy base station delivery scheme according to any one of claims 1 to 3, the power supply configuration apparatus comprising: the device comprises an acquisition module, a first judgment module, a first updating module, a storage module, a second judgment module, a second updating module and a selection module;
the acquisition module is used for acquiring and generating a new energy delivery base simulation model according to basic parameters of the new energy delivery base, and performing authority setting on the new energy delivery base simulation model;
the first judging module is used for judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds or not when the new energy delivery base simulation model is operated in a simulation mode;
the first updating module is used for updating the first power supply configuration scheme according to a preset rule when the corresponding preset threshold is determined not to be met, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme in the simulation operation of the new energy delivery base simulation model meet the corresponding preset threshold or not until the corresponding preset threshold is judged to be met;
The storage module is used for calculating the receiving end-to-network electricity price of the current first power supply configuration scheme when the corresponding preset threshold value is determined to be met, and storing the current first power supply configuration scheme and the corresponding receiving end-to-network electricity price thereof into a scheme alternative set;
the second judging module is used for judging whether a first parameter set in the current first power supply configuration scheme meets a preset parameter set or not, wherein the first parameter set comprises thermal power configuration capacity, wind power configuration capacity, photovoltaic configuration capacity and energy storage configuration capacity; judging whether the energy storage configuration capacity of the current first power supply configuration scheme reaches a first preset parameter in a preset parameter set or not; when the energy storage configuration capacity does not reach the first preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the energy storage configuration capacity reaches the first preset parameter, judging whether the ratio of the wind power configuration capacity to the photovoltaic configuration capacity of the current first power supply configuration scheme reaches a second preset parameter in the preset parameter set; when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity reaches the second preset parameter, judging whether the thermal power configuration capacity of the current first power supply configuration scheme reaches a third preset parameter in the preset parameter set; when the thermal power configuration capacity does not reach a third preset parameter, determining that the first parameter set does not meet the preset parameter set, and when the thermal power configuration capacity reaches the third preset parameter, determining that the first parameter set meets the preset parameter set;
The second updating module is configured to increase the energy storage configuration capacity according to a first preset rule when the energy storage configuration capacity does not reach the first preset parameter, and then determine that the first parameter set does not meet the preset parameter set, and update the current first power supply configuration scheme according to the increased energy storage configuration capacity; when the ratio of the wind power configuration capacity to the photovoltaic configuration capacity does not reach the second preset parameter, reducing the ratio of the wind power configuration capacity to the photovoltaic configuration capacity according to a second preset rule, and updating the current first power supply configuration scheme according to the reduced ratio of the wind power configuration capacity to the photovoltaic configuration capacity; when the thermal power configuration capacity does not reach the third preset parameter, increasing the thermal power configuration capacity according to a third preset rule, updating the current first power supply configuration scheme according to the increased thermal power configuration capacity, and returning to the step of judging whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme in the simulation operation of the new energy delivery base simulation model meet corresponding preset thresholds or not;
and the selecting module is used for selecting the minimum value of the power price of the receiving end power grid in the scheme alternative set when the preset parameter set is determined to be met, and outputting a first power supply configuration scheme corresponding to the minimum value of the power price of the receiving end power grid.
5. The power supply configuration device of the new energy base delivery scheme as set forth in claim 4, wherein the obtaining module is configured to set authority of the new energy base delivery simulation model, specifically:
and carrying out power transmission permission setting on the new energy source transmission base simulation model so as to enable the new energy source transmission base simulation model to stop transmitting power to a transmitting end power grid.
6. The power supply configuration device of the new energy base delivery scheme as set forth in claim 4, wherein the first judging module is configured to judge whether the new energy duty ratio and the new energy comprehensive power rejection rate of the first power supply configuration scheme meet corresponding preset thresholds when the new energy base delivery simulation model performs simulation operation, specifically:
calculating and acquiring a new energy duty ratio and a new energy comprehensive power rejection rate of the first power supply configuration scheme during simulation operation of the new energy delivery base simulation model through production simulation software;
judging whether the obtained new energy duty ratio of the first power supply configuration scheme is higher than a corresponding preset threshold value, and judging whether the new energy comprehensive power rejection rate of the first power supply configuration scheme is lower than the corresponding preset threshold value;
When the obtained new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme during operation simultaneously meet the corresponding preset threshold value, determining that the corresponding preset threshold value is met;
and when the obtained new energy duty ratio and the new energy comprehensive power-off rate of the first power supply configuration scheme during operation cannot meet the corresponding preset threshold value at the same time, determining that the corresponding preset threshold value is not met.
CN202111125768.8A 2021-09-24 2021-09-24 Power supply configuration method and device for new energy base delivery scheme Active CN113852136B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111125768.8A CN113852136B (en) 2021-09-24 2021-09-24 Power supply configuration method and device for new energy base delivery scheme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111125768.8A CN113852136B (en) 2021-09-24 2021-09-24 Power supply configuration method and device for new energy base delivery scheme

Publications (2)

Publication Number Publication Date
CN113852136A CN113852136A (en) 2021-12-28
CN113852136B true CN113852136B (en) 2023-07-25

Family

ID=78980004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111125768.8A Active CN113852136B (en) 2021-09-24 2021-09-24 Power supply configuration method and device for new energy base delivery scheme

Country Status (1)

Country Link
CN (1) CN113852136B (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101359035A (en) * 2007-07-30 2009-02-04 比亚迪股份有限公司 Method and apparatus for measuring battery internal resistance
CN101806865A (en) * 2010-03-29 2010-08-18 深圳睿立方智能科技有限公司 Detection device of internal resistance of cell and detection method thereof
CN106447118A (en) * 2016-10-11 2017-02-22 国网能源研究院 Power optimization planning method and system
CN106972518A (en) * 2017-04-17 2017-07-21 国家电网公司 Small-sized local power network and Energy Base direct current delivery system access module system of selection
CN107798427A (en) * 2017-10-17 2018-03-13 国家电网公司 Extensive Energy Base extra-high voltage electric power sends out the construction method of electric network composition scheme
CN108418255A (en) * 2018-03-01 2018-08-17 中国电力科学研究院有限公司 A kind of extra-high voltage direct-current suitable for the new energy containing high permeability sends Electric power network planning method and system outside
CN108448611A (en) * 2018-03-15 2018-08-24 华中科技大学 A kind of Power grid structure construction method for adapting to extensive new energy and sending outside
CN109428343A (en) * 2017-08-22 2019-03-05 中国电力科学研究院 A kind of Method for optimized planning and device of new energy base Transmission Corridor transmission line capability
CN112084652A (en) * 2020-09-07 2020-12-15 中国电力工程顾问集团西北电力设计院有限公司 Wind-solar-storage complementary power generation system capacity configuration calculation method and system
CN112448417A (en) * 2019-09-05 2021-03-05 中国电力科学研究院有限公司 Coordination control method and system for new energy and thermal power binding direct current delivery system
CN112491043A (en) * 2020-11-23 2021-03-12 国网经济技术研究院有限公司 New energy enrichment power grid power supply planning method and system
CN112671046A (en) * 2020-12-21 2021-04-16 国网经济技术研究院有限公司 Coordination optimization configuration method and system for wind, light and fire storage delivery capacity
CN113191675A (en) * 2021-05-20 2021-07-30 国网四川省电力公司经济技术研究院 Multi-direct-current-sending-end power grid planning scheme adaptability evaluation method and system

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101359035A (en) * 2007-07-30 2009-02-04 比亚迪股份有限公司 Method and apparatus for measuring battery internal resistance
CN101806865A (en) * 2010-03-29 2010-08-18 深圳睿立方智能科技有限公司 Detection device of internal resistance of cell and detection method thereof
CN106447118A (en) * 2016-10-11 2017-02-22 国网能源研究院 Power optimization planning method and system
CN106972518A (en) * 2017-04-17 2017-07-21 国家电网公司 Small-sized local power network and Energy Base direct current delivery system access module system of selection
CN109428343A (en) * 2017-08-22 2019-03-05 中国电力科学研究院 A kind of Method for optimized planning and device of new energy base Transmission Corridor transmission line capability
CN107798427A (en) * 2017-10-17 2018-03-13 国家电网公司 Extensive Energy Base extra-high voltage electric power sends out the construction method of electric network composition scheme
CN108418255A (en) * 2018-03-01 2018-08-17 中国电力科学研究院有限公司 A kind of extra-high voltage direct-current suitable for the new energy containing high permeability sends Electric power network planning method and system outside
CN108448611A (en) * 2018-03-15 2018-08-24 华中科技大学 A kind of Power grid structure construction method for adapting to extensive new energy and sending outside
CN112448417A (en) * 2019-09-05 2021-03-05 中国电力科学研究院有限公司 Coordination control method and system for new energy and thermal power binding direct current delivery system
CN112084652A (en) * 2020-09-07 2020-12-15 中国电力工程顾问集团西北电力设计院有限公司 Wind-solar-storage complementary power generation system capacity configuration calculation method and system
CN112491043A (en) * 2020-11-23 2021-03-12 国网经济技术研究院有限公司 New energy enrichment power grid power supply planning method and system
CN112671046A (en) * 2020-12-21 2021-04-16 国网经济技术研究院有限公司 Coordination optimization configuration method and system for wind, light and fire storage delivery capacity
CN113191675A (en) * 2021-05-20 2021-07-30 国网四川省电力公司经济技术研究院 Multi-direct-current-sending-end power grid planning scheme adaptability evaluation method and system

Also Published As

Publication number Publication date
CN113852136A (en) 2021-12-28

Similar Documents

Publication Publication Date Title
US9618914B2 (en) Energy resource-grid-load automatic control system of smart microgrid and control methods thereof
CN102097808B (en) Method for estimating reliability of electric distribution system containing distributive wind power, photovoltaic and energy storage devices
CN105449713A (en) Active power distribution network soft normally open point (SNOP) planning method considering distributed generator characteristics
CN103490410A (en) Micro-grid planning and capacity allocation method based on multi-objective optimization
CN105337315A (en) Wind-light-storage battery supplementary independent micro power grid high dimension multi-target optimization configuration
CN104077664B (en) Confidence capacity assessment method of energy storage and generation system of wind power
CN110350518B (en) Power grid energy storage capacity demand assessment method and system for peak shaving
CN103887792B (en) A kind of low-voltage distribution network modeling method containing distributed power source
CN115622053B (en) Automatic load modeling method and device for considering distributed power supply
CN114626575A (en) Reactive power planning method for receiving-end power grid containing high-permeability wind power and considering transient voltage stability
CN109245096A (en) A kind of active distribution network net capability calculation method
Jiang et al. Research on nodal wind power values and optimal accommodation based on locational marginal price
CN110323779B (en) Method and system for dynamically aggregating power of distributed power generation and energy storage device
CN113852136B (en) Power supply configuration method and device for new energy base delivery scheme
Faranda et al. SCADA system for optimization of energy exchange with the BESS in a residential case
CN115618616A (en) Method for constructing hybrid energy storage reliability evaluation model of source, network and load resources
Shi et al. Energy management method for energy storage system in PV-integrated EV charging station
CN112926187B (en) Method for analyzing and optimizing economic operation of power distribution network
CN105846433B (en) Power distribution network transient analysis method based on intermittent distributed power supply fluctuation
CN107766970B (en) Micro-grid planning method based on enterprise benefits and user experience
Wang et al. A Precise Carbon Emission Model on Electricity Consumption Side with Carbon Emission Flow Theory
Wang et al. Convexification Technique for Optimal Thermal-Wind-Photovoltaic Coordination Dispatch Incorporating an Energy Storage System
Liu et al. Low Carbon Evaluation Method of Transformer Area Considering Carbon Reduction Potential in User Side
Ling et al. Bi-level Optimization of Energy Storage Considering Flexibility and New Energy Consumption
Wang et al. Dynamic economic/environmental dispatch for stand-alone microgrid based on improved NSGA-II

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant