CN109146153B - Comprehensive energy microgrid system with internal bidding mechanism and bidding automatic processing method thereof - Google Patents
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Abstract
The invention relates to a comprehensive energy microgrid system with an internal bidding mechanism and a bidding automatic processing method thereof, and compared with the prior art, the comprehensive energy microgrid system overcomes the defect that data overall planning comparison and analysis are difficult to carry out between an energy supply end and an energy utilization end. The energy consumption main body comprises an industrial enterprise, a family user, a commercial area and an energy storage device; the components in the control layer comprise a cloud service competitive transaction platform, an energy router and a bidirectional intelligent metering device; the components in the energy supply layer are energy supply main bodies, and the energy supply main bodies comprise photovoltaic power generation/heat, wind power generation/heat, a gas turbine power plant, biomass power generation and a ground/water source heat pump; and carrying out information interaction communication between the energy utilization layer and the control layer, and carrying out bidding data communication between the energy supply layer and the control layer. The invention utilizes a data analysis method to carry out centralized analysis on the data of the energy supply end and the energy consumption end, and then realizes the effective matching of the energy supply main body and the energy consumption main body based on the bidding mode.
Description
Technical Field
The invention relates to the technical field of big data processing, in particular to a comprehensive energy microgrid system with an internal bidding mechanism and a bidding automatic processing method thereof.
Background
The comprehensive energy is a modern energy system with the complementary and cooperative, highly information/intelligent, centralized and distributed coordinated development of various energy sources, and the core of the comprehensive energy system is to break through barriers of various energy source industries at present, realize the multi-energy complementary of wind, light, water, fire and storage at an energy supply end, and realize the integrated energy supply of cold, heat, electricity and gas at an energy use end. The comprehensive energy system has the characteristics of utilization of resources nearby, short conveying distance, high efficiency and the like, can comprehensively formulate an energy supply and demand scheme according to local energy demand and resource endowment according to local conditions, improves energy utilization efficiency, and improves safety and reliability of energy supply.
However, the regulation function of the microgrid energy supply system in China is not complete, the energy utilization efficiency is low, and competitive exchange of energy cannot be realized. Therefore, how to reasonably distribute energy between the energy supply end and the energy utilization end through a data analysis and comparison technology has become an urgent technical problem to be solved.
Disclosure of Invention
The invention aims to solve the defect that data overall planning comparison and analysis are difficult to carry out between an energy supply end and an energy utilization end in the prior art, and provides a comprehensive energy microgrid system with an internal bidding mechanism and a bidding automatic processing method thereof to solve the problems.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a comprehensive energy microgrid system with an internal bidding mechanism comprises a three-layer structure, an energy utilization layer, a control layer and an energy supply layer, wherein the three-layer structure comprises the energy utilization layer, the control layer and the energy supply layer in sequence;
the components in the energy consumption layer are energy consumption main bodies, and the energy consumption main bodies comprise industrial enterprises, household users, business areas and energy storage devices; the components in the control layer comprise a cloud service competitive transaction platform, an energy router and a bidirectional intelligent metering device; the components in the energy supply layer are energy supply main bodies, and the energy supply main bodies comprise photovoltaic power generation/heat, wind power generation/heat, a gas turbine power plant, biomass power generation and a ground/water source heat pump;
and carrying out information interaction communication between the energy utilization layer and the control layer, and carrying out bidding data communication between the energy supply layer and the control layer.
And performing bidding information interaction processing on the components in the energy utilization layer and the cloud service competitive transaction platform.
And the components in the energy supply layer are subjected to energy distribution processing through an energy router and a bidirectional intelligent metering device.
A bidding automatic processing method of a comprehensive energy microgrid system with an internal bidding mechanism comprises the following steps:
the cloud service competitive transaction platform is initialized,
defining a platform successful transaction counter int num1 to be 0, a platform failed transaction counter int num2 to be 0, int num3 to be 0 and int num4 to be 0, wherein the numbers of the array of the platform successful transaction parties are supply _ supply 1 and consumer _ supply 1, and the fixed price of the energy pool double _ price to be 1;
the energy supply main body and the energy consumption main body consumer send a signal to the cloud service competitive transaction platform according to the energy requirement and the price of the current time period;
the cloud service competitive transaction platform performs data reception,
the cloud service competitive transaction platform receives and releases data sent by an energy supply main body support and an energy supply main body provider, wherein the energy supply main body support array consists of a number support _ id, an energy supply pricing support _ price and an energy supply support _ output, the energy supply main body provider array consists of a number support _ id, an energy supply provider _ price and an energy demand provider _ constraint, and the initial values of the energy supply main body support array and the energy supply main body provider array are-1;
the energy-providing individuals and the energy-using individuals bid on the energy of the individuals by using a cloud service competitive transaction platform,
the energy supply main body and the energy consumption main body which are successfully transacted need to meet two conditions: maximum energy supply economic benefitChemical formula BSmaxAnd energy cost minimization BC min(ii) a The demand and supply requirements are met: ensuring that the supply is greater than or equal to the supply demand, i.e., supply _ output>Consummer _ consummation; respectively carrying out point-to-point transaction after the energy supply and the energy use bodies reach the agreement, and writing the energy supply bodies and the energy use bodies which reach the transaction into an energy supply transaction array supply _ resources 1 and an energy use transaction array controller _ resources 1 by the system;
after multiple cycles, idle energy of the transaction is not achieved, the idle energy is merged into the energy pool at a fixed price, the serial number of the supply main body supply array of the cloud service competitive transaction platform is removed, and the removed serial number is written into the supply array supply _ id _ poo of the energy pool;
the energy which enters the energy pool but cannot be traded and utilized enters the microgrid energy storage device for time selection and standby application and participates in bidding between the energy utilization individuals and the platform;
bidding on the energy of the platform energy pool or the stored energy by using the energy individuals and the competitive transaction platform of the cloud service,
a plurality of energy-using individuals are arranged in the trading platform, and can compete for the energy in the energy pool and the energy storage device; after successful transaction, the energy main body consumer array is used for eliminating the array number of the successful transaction, the residual number is the energy using number which does not achieve the transaction, the residual energy using array consumer _ id _ rest is written in, and the energy supply main body number achieving the transaction is written in the energy pool/energy storage transaction array.
The energy supply individual and the energy supply individual bid on the energy of the individual by utilizing a cloud service competitive transaction platform comprise the following steps:
the energy supply quantity of the energy supply individuals S1, S2 and S3 … is set to be NS1、NS2、NS3…, price PS1、PS2、PS3…, respectively; the energy consumption of the energy consumption individuals C1, C2 and C3 … is NC1、NC2、NC3… price of energy consumption PC1、PC2、PC3…；
The set transaction principle of the energy supply individuals needs to meet the following requirements:
first condition, energy supply quantity NSx≥NCn+NCm+NCk+…；
Second Condition, energy sales economic benefit BSmax＝max(NCnPCn+NCmPCm+NCkPCk+…)；
When the first condition is satisfied and BSmaxWhen the maximum energy consumption is reached, the system sets the energy consumption individuals Cn, Cm and Ck … to max (the energy consumption number N) according to the individual ranking valuecxX energy price Pcx) Sorting from high to low;
the energy supply individuals Sx send tradeable signals to the energy consumption individuals in turn according to the principle that the sequence value is from high to low, wait for the energy consumption individual signals to be matched, and trade according to the principle that the sequence is first and first,
the trading principle of the energy utilization individual needs to be satisfied:
a third condition: energy use quantity NCx≤NSq+NSw+NSe+…；
A fourth condition: energy cost fee BC min＝min(NSqPSq+NSwPSw+NSePSe…)；
In the case where the third condition is satisfied and BCmin is minimum, the system sets the individual energy supply values Sq, Sw, Se … to min (energy supply number N) according to the individual ranking valuessxX energy supply price Psx) Sorting from low to high;
sequentially sending tradeable signals to the energy-using individuals according to the principle that the ranking value of the Cx of the energy-using individuals is from low to high, waiting for the energy-using individual signals to be matched, and trading according to the principle that the ranking is prior to trading;
the energy supply individuals and the tradable signals sent by the energy supply individuals are matched, and then the transaction can be carried out.
The bidding of the energy using individuals and the cloud service competitive transaction platform on the energy of the platform energy pool or the stored energy comprises the following steps:
the set energy individuals C1, C2 and C3 … send bidding data to the platform, and the energy use amounts are NC1、NC2、NC3… price of energy consumption PC1、PC2、PC3…, respectively; platform energyThe energy storage or the energy storage device can provide energy of O1, O2, O3 …, and the quantity of the energy storage or the energy storage device is NO1、NO2、NO3…, price P respectivelyO1、PO2、PO3…；
The trading principle between the single energy utilization individual and the platform needs to be satisfied:
a fifth condition: energy use quantity NCx≤NOd+NOf+NOg+…；
A sixth condition: energy cost fee BCmin＝min(NOdPOd+NOfPof+NOgPog+…)；
Meets the fifth condition and BCminAt the minimum, the system ranks the individual energies Od, Of, Og … in the platform energy pool or the energy storage device by min (the energy supply number N)oxX energy supply price Pox) And sequencing from low to high, and sequentially carrying out direct transaction according to the sequencing.
Advantageous effects
Compared with the prior art, the comprehensive energy microgrid system with the internal bidding mechanism and the bidding automatic processing method thereof have the advantages that data of the energy supply end and the energy utilization end are analyzed in a centralized mode through a data analysis method, and then the effective matching of the energy supply main body and the energy utilization main body is realized based on the bidding mode.
The invention restores the commodity and financial attributes of energy sources by using technical means, establishes competitive, open and ordered energy supply and utilization markets, optimally configures the resources such as cold, heat, electricity and the like by using the technical means, achieves the state of competitive supply and demand balance, and improves the energy utilization efficiency and the benefit of the micro-grid system.
Drawings
Fig. 1 is a schematic structural diagram of an integrated energy microgrid system according to the present invention;
fig. 2 is a flowchart of an automatic bid processing method of the integrated energy microgrid system according to the present invention.
Detailed Description
So that the manner in which the above recited features of the present invention can be understood and readily understood, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings, wherein:
as shown in fig. 1, the comprehensive energy microgrid system with an internal bidding mechanism comprises a three-layer structure, which is sequentially an energy consumption layer, a control layer and an energy supply layer.
The components in the energy consumption layer are energy consumption main bodies, the energy consumption main bodies are energy source users, the energy consumption main bodies comprise industrial enterprises, household users, business areas and energy storage devices, and electric automobiles and direct current power consumption can also be used as the energy consumption main bodies.
The components in the control layer comprise a cloud service competitive transaction platform, an energy router and a bidirectional intelligent metering device, the bidirectional intelligent metering device comprises a plurality of intelligent metering devices, the data input and output of the bidirectional intelligent metering devices have two directions, and the bidirectional intelligent metering devices can respectively receive and process data between an energy main body and the control layer components and data between an energy supply layer and the control layer components.
The components in the energy supply layer are energy supply main bodies, the energy supply main bodies are energy supply parties, and the energy supply main bodies comprise photovoltaic power generation/heat, wind power generation/heat, a gas turbine power plant, biomass power generation, a ground/water source heat pump and the like.
The energy supply layer, the energy utilization layer and the control layer are in information interaction communication and bidding data communication respectively, the cloud service competitive trading platform performs energy distribution after bidding, and components in the energy supply layer perform energy distribution processing through the energy router and the bidirectional intelligent metering device.
As shown in fig. 2, the bidding automatic processing method based on the integrated energy microgrid system with an internal bidding mechanism includes the following steps:
(1) and initializing a competitive transaction platform of the cloud service.
Defining a platform successful transaction counter int num1 to be 0, a platform failed transaction counter int num2 to be 0, int num3 to be 0, and int num4 to be 0, wherein the numbers of the array of the platform successful transaction parties to be processed are supply _ supply 1 and consumer _ supply 1, and the fixed price of the energy pool double _ price to be 1.
(2) The energy supply main body supply and the energy demand and the price of the current time period are sent to the cloud service competitive transaction platform by the energy supply main body consumer, and bidding processing analysis is carried out through the cloud service competitive transaction platform.
(3) And the cloud service competitive transaction platform receives data.
The cloud service competitive transaction platform receives and releases data sent by an energy supply main body and an energy supply main body provider, wherein an energy supply main body provider array consists of a number supply _ id, an energy supply pricing supply _ price and an energy supply _ output, an energy supply main body provider array consists of a number supply _ id, an energy supply provider _ price and an energy demand provider _ provision, and the initial values of the energy supply main body provider array and the energy supply main body provider array are-1.
(4) The method comprises the steps of powering individuals and bidding the individuals with energy by using the cloud service competitive trading platform.
Energy supply individual and with can individual at first carry out data interaction, data interaction is successful and needs to satisfy two conditions: energy supply economic benefit maximization BSmaxAnd energy cost minimization BCmin(ii) a The demand and supply requirements are met: ensuring that supply is greater than or equal to demand (supply _ output)>＝consumer_consumption)。
And respectively carrying out point-to-point transactions after successful transactions are powered by the energy main body and agreed by the energy main body, and writing the powered and energy main bodies for achieving the transactions into a powered transaction array supply _ resources 1 and an energy consumption transaction array consumer _ resources 1 by the system.
The energy supply individuals and the energy utilization individuals bid for the energy of the individuals by using a cloud service competitive transaction platform, and the bidding automatic processing process comprises the following steps:
A) the energy supply quantity of the energy supply individuals S1, S2 and S3 … is set to be NS1、NS2、NS3…, price PS1、PS2、PS3…, respectively; the energy consumption of the energy consumption individuals C1, C2 and C3 … is NC1、NC2、NC3… price of energy consumption PC1、PC2、PC3…。
B) The trade of the energy supply individual needs to meet the following requirements:
first condition, energy supply quantity NSx≥NCn+NCm+NCk+…；
Second Condition, energy sales economic benefit BSmax＝max(NCnPCn+NCmPCm+NCkPCk+…)。
When the first condition is satisfied and BSmaxWhen the maximum energy consumption is reached, the system sets the energy consumption individuals Cn, Cm and Ck … to max (the energy consumption number N) according to the individual ranking valuecxX energy price Pcx) Ordering from high to low.
The energy supply individuals Sx send tradeable signals to the energy consumption individuals in sequence according to the principle that the sequencing value is from high to low, wait for the energy consumption individual signals to be matched, and trade according to the principle that the sequencing is prior to trading.
C) The trade needs of the energy use individuals are satisfied:
a third condition: energy use quantity NCx≤NSq+NSw+NSe+…；
A fourth condition: energy cost fee BC min＝min(NSqPSq+NSwPSw+NSePSe…)。
When the third condition is satisfied and BCminIn the minimum case, the system sets the individual Sq, Sw, Se … of energy supply to min according to the individual ranking value (the energy supply quantity N)sxX energy supply price Psx) Sorting from low to high.
And the energy using individuals Cx sequentially send tradeable signals to the energy using individuals according to the principle that the sequencing value is from low to high, wait for the energy using individual signals to be matched, and trade according to the principle that the sequencing is carried out before the priority trading.
D) The energy supply individuals and the tradable signals sent by the energy supply individuals are matched, and then the transaction can be carried out.
After the first data interaction of the energy supply individuals and the energy utilization individuals, part of the energy supply individuals and the energy utilization individuals which cannot successfully complete the data interaction (trade is not achieved) can appear, and in order to avoid system paralysis caused by repeated circulation, an idle energy pool technology is adopted, and data interaction is tried again for two parties with the first data interaction failure.
(5) After multiple cycles, idle energy of the transaction is not achieved, the idle energy is merged into the energy pool at a fixed price, the number of the supply main body supply array of the cloud service competitive transaction platform is removed, and the removed number is written into the supply array supply _ id _ pool of the energy pool.
(6) And the energy which enters the energy pool but cannot be used in a trading way enters the microgrid energy storage device for standby when selected, and participates in bidding between the energy utilization individuals and the platform.
(7) And bidding on the energy of the platform energy pool or the stored energy by using the energy individuals and the cloud service competitive transaction platform.
A plurality of energy-using individuals are arranged in the trading platform, and the energy in the energy pool and the energy storage device can be used for bidding. After successful transaction, the energy main body consumer array is used for eliminating the array number of the successful transaction, the residual number is the energy using number which does not achieve the transaction, the residual energy using array consumer _ id _ rest is written in, and the energy supply main body number achieving the transaction is written in the energy pool/energy storage transaction array. The method comprises the following specific steps:
A) the set energy individuals C1, C2 and C3 … send bidding data to the platform, and the energy use amounts are NC1、NC2、NC3… price of energy consumption PC1、PC2、PC3…, respectively; the platform energy pool or the energy storage device can provide energy of O1, O2 and O3 …, and the quantity of the energy pools or the energy storage device is NO1、NO2、NO3…, price P respectivelyO1、PO2、PO3…。
B) The trading principle between the single energy utilization individual and the platform needs to be satisfied:
a fifth condition: energy use quantity NCx≤NOd+NOf+NOg+…；
A sixth condition: energy cost fee BCmin＝min(NOdPOd+NOfPof+NOgPog+…)。
Meets the fifth condition and BCminAt the minimum, the system ranks the individual energies Od, Of, Og … in the platform energy pool or the energy storage device by min (the energy supply number N)oxX energy supply price Pox) Sorting from low to high, and according to rowsThe direct transactions are sequentially carried out in sequence.
In addition, platform pricing values can be set to be comprehensively considered according to bidding distribution of energy utilization bodies and energy storage of energy pools, and benefits of transactions between energy utilization individuals and platforms are owned by platform enterprises.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A bid automatic processing method with an internal bid mechanism comprises a comprehensive energy microgrid system, wherein the comprehensive energy microgrid system comprises a three-layer structure, an energy consumption layer, a control layer and an energy supply layer; the components in the energy consumption layer are energy consumption main bodies, and the energy consumption main bodies comprise industrial enterprises, household users, business areas and energy storage devices; the components in the control layer comprise a cloud service competitive transaction platform, an energy router and a bidirectional intelligent metering device; the components in the energy supply layer are energy supply main bodies, and the energy supply main bodies comprise photovoltaic power generation/heat, wind power generation/heat, a gas turbine power plant, biomass power generation and a ground/water source heat pump; carrying out information interaction communication between the energy utilization layer and the control layer, and carrying out bidding data communication between the energy supply layer and the control layer; characterized in that the method comprises the following steps:
11) the cloud service competitive transaction platform is initialized,
defining a platform successful transaction counter int num1=0, a platform failed transaction counter int num2=0, int num3=0, and int num4=0, array numbers of both platform successful transaction parties, Suppy _ succes 1 and consumer _ sucess 1, and an energy pool fixed price double fixed _ price = 1;
12) the energy supply main body and the energy consumption main body consumer send a signal to the cloud service competitive transaction platform according to the energy requirement and the price of the current time period;
13) the cloud service competitive transaction platform performs data reception,
the cloud service competitive transaction platform receives and releases data sent by an energy supply main body support and an energy supply main body provider, wherein the energy supply main body support array consists of a number support _ id, an energy supply pricing support _ price and an energy supply support _ output, the energy supply main body provider array consists of a number support _ id, an energy supply provider _ price and an energy demand provider _ constraint, and the initial values of the energy supply main body support array and the energy supply main body provider array are-1;
14) the energy-providing individuals and the energy-using individuals bid on the energy of the individuals by using a cloud service competitive transaction platform,
the energy supply main body and the energy consumption main body which are successfully transacted need to meet two conditions: energy supply economic benefit maximization BSmaxAnd energy cost minimization BC min(ii) a The demand and supply requirements are met: ensuring that the supply is greater than or equal to the supply demand, i.e., supply _ output>= consumer _ consummation; respectively carrying out point-to-point transaction after the energy supply and the energy use bodies reach the agreement, and writing the energy supply bodies and the energy use bodies which reach the transaction into an energy supply transaction array supply _ success1 and an energy use transaction array consumer _ success1 by the system;
the energy supply individual and the energy supply individual bid on the energy of the individual by utilizing a cloud service competitive transaction platform comprise the following steps:
141) the energy supply quantity of the energy supply individuals S1, S2 and S3 … is set to be NS1、NS2、NS3…, price PS1、PS2、PS3…, respectively; the energy consumption of the energy consumption individuals C1, C2 and C3 … is NC1、NC2、NC3… price of energy consumption PC1、PC2、PC3…；
142) The set transaction principle of the energy supply individuals needs to meet the following requirements:
first condition, energy supply quantity NSx≥NCn+NCm+NCk+…；
Second Condition, energy sales economic benefit BSmax = max（NCnPCn+NCmPCm+NCkPCk+…）；
When the first condition is satisfied and BSmaxAt maximum, the system will use energy individuals Cn, Cm, Ck … to rank the individual values = max (number of energy used N)cxX energy price Pcx) Sorting from high to low;
143) the energy supply individuals Sx send tradeable signals to the energy consumption individuals in turn according to the principle that the sequence value is from high to low, wait for the energy consumption individual signals to be matched, and trade according to the principle that the sequence is first and first,
the trading principle of the energy utilization individual needs to be satisfied:
a third condition: energy use quantity NCx≤NSq+NSw+NSe+…；
A fourth condition: energy cost fee BC min =min（NSqPSq+NSwPSw+NSePSe…）；
In the case that the third condition is met and the BCmin is minimum, the system arranges the energy supply individuals Sq, Sw and Se … according to the individual sequence value = min (energy supply number NsxX energy supply price Psx) Sorting from low to high;
144) sequentially sending tradeable signals to the energy-using individuals according to the principle that the ranking value of the Cx of the energy-using individuals is from low to high, waiting for the energy-using individual signals to be matched, and trading according to the principle that the ranking is prior to trading;
145) the energy supply individuals are matched with the tradable signals sent by the energy supply individuals, and then the transaction can be carried out;
15) after multiple cycles, idle energy of the transaction is not achieved, the idle energy is merged into the energy pool at a fixed price, the number of a supply array of the cloud service competitive transaction platform energy supply main body is removed, and the removed number is written into the supply array supply _ id _ pool of the energy pool;
16) the energy which enters the energy pool but cannot be traded and utilized enters the microgrid energy storage device for time selection and standby application and participates in bidding between the energy utilization individuals and the platform;
17) bidding on the energy of the platform energy pool or the stored energy by using the energy individuals and the competitive transaction platform of the cloud service,
a plurality of energy-using individuals are arranged in the trading platform, and can compete for the energy in the energy pool and the energy storage device; after successful transaction, the energy main body consumer array is used for eliminating the array number of the successful transaction, the residual number is the energy using number which does not achieve the transaction, the residual energy using array consumer _ id _ rest is written, and the energy supply main body number which achieves the transaction is written into the energy pool/energy storage transaction array;
the bidding of the energy using individuals and the cloud service competitive transaction platform on the energy of the platform energy pool or the stored energy comprises the following steps:
171) the set energy individuals C1, C2 and C3 … send bidding data to the platform, and the energy use amounts are NC1、NC2、NC3… price of energy consumption PC1、PC2、PC3…, respectively; the platform energy pool or the energy storage device can provide energy of O1, O2 and O3 …, and the quantity of the energy pools or the energy storage device is NO1、NO2、NO3…, price P respectivelyO1、PO2、PO3…；
172) The trading principle between the single energy utilization individual and the platform needs to be satisfied:
a fifth condition: energy use quantity NCx≤NOd+ NOf + NOg +…；
A sixth condition: energy cost fee BCmin =min（NOdPOd+ NOfPof+ NOgPog+…）；
Meets the fifth condition and BCminAt minimum, the system ranks the individual energies Od, Of, Og … in the platform energy pool or energy storage device by a value = min (number Of supplies N)oxX energy supply price Pox) And sequencing from low to high, and sequentially carrying out direct transaction according to the sequencing.
2. The method of claim 1 for automated bid processing with internal bidding mechanism, wherein: and performing bidding information interaction processing on the components in the energy utilization layer and the cloud service competitive transaction platform.
3. The method of claim 1 for automated bid processing with internal bidding mechanism, wherein: and the components in the energy supply layer are subjected to energy distribution processing through an energy router and a bidirectional intelligent metering device.
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