CN115986821B - Intelligent monitoring analysis system based on comprehensive energy - Google Patents

Intelligent monitoring analysis system based on comprehensive energy Download PDF

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CN115986821B
CN115986821B CN202211724644.6A CN202211724644A CN115986821B CN 115986821 B CN115986821 B CN 115986821B CN 202211724644 A CN202211724644 A CN 202211724644A CN 115986821 B CN115986821 B CN 115986821B
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power
control unit
coordination control
power generation
fuel
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CN115986821A (en
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汉京晓
孔祥飞
吴佳睿
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China Railway Construction Group Electromechanical Installation Co ltd
BEIJING DISTRICT HEATING GROUP
Hebei University of Technology
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China Railway Construction Group Electromechanical Installation Co ltd
BEIJING DISTRICT HEATING GROUP
Hebei University of Technology
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Abstract

The invention relates to the technical field of power supply coordination, in particular to an intelligent monitoring and analyzing system based on comprehensive energy, which comprises a photovoltaic power generation group, a fuel power generation group, a monitoring unit, a power storage group and a coordination control unit, wherein the coordination control unit is used for judging the power consumption requirement level of a user side according to analysis of power consumption data of the user side so as to determine a preliminary power supply scheme, and determining the starting time and the power generation power of the fuel power generation group according to the actual stored power of the power storage group in the system and the power consumption trend of the user side so as to provide power for the user side.

Description

Intelligent monitoring analysis system based on comprehensive energy
Technical Field
The invention relates to the technical field of power supply coordination, in particular to an intelligent monitoring and analyzing system based on comprehensive energy.
Background
Photovoltaic power generation is a power generation mode of directly converting solar radiation into electric energy, and is the mainstream of solar power generation at present, so that the solar power generation is commonly known as photovoltaic power generation at present. Distributed power generation is a photovoltaic power generation facility which is built near a user site, is operated in a mode of using self-power of a user side as a main part and is characterized by balancing and adjusting redundant electric quantity in a power distribution system. Distributed power generation follows the principles of local conditions, cleanliness, high efficiency, distributed layout and near utilization, and fully utilizes local solar energy resources to replace and reduce fossil energy consumption. However, since photovoltaic power generation is directly derived from solar energy, photovoltaic power generation is inevitably affected by illuminance of sunlight to exhibit instability and periodicity, and thus photovoltaic power generation cannot be used as a single direct power supply source and is commonly used as a delayed power supply source together with a power storage battery.
The Chinese patent publication No. CN106786753B discloses a multi-user regional energy Internet system and an adjusting method thereof, wherein a regional energy network is constructed based on a power grid, a heat supply network and a cold network, and the regional energy network is in cooperative complementation with an urban energy network outside a region, the regional energy network is in cooperative complementation with the regional energy network, and the regional energy network is self-cooperative complementation with energy storage to realize the self-adjustment of the multi-user regional energy network. And the operation optimization of the regional energy network is realized through a meteorological prediction model, a multi-user energy demand prediction model, a renewable energy prediction model and a regional energy network optimization model. Therefore, the system of the multi-user regional energy internet and the adjusting method thereof have the following problems: according to the technical scheme, the dispatching value of the urban energy network outside the area is of an energy type which is not controlled by the area, if energy supply is needed by inputting energy outside the area, the problem of energy shortage caused by the fact that the dispatching value of the urban energy network outside the area cannot reach an expected value possibly exists, stable supply of the energy of the area cannot be guaranteed, meanwhile, although the prediction level of energy utilization can be given according to historical data, in practical application, the actual energy demand is not completely consistent with the trend of the historical data, therefore, on one hand, an energy supply station capable of realizing stable supply in the area and provided with additional energy is needed to enable the energy of the area to be stably supplied, energy supply is matched with the demand, so that energy waste is avoided, and meanwhile, the real demand of the area is analyzed by adopting the real-time monitoring energy demand analysis system, and energy supply deviation caused by energy supply can be avoided only according to the historical data.
Disclosure of Invention
Therefore, the invention provides an intelligent monitoring and analyzing system based on comprehensive energy, which is used for solving the problems of energy waste caused by insufficient energy supply or excessive energy supply due to deviation between an energy prediction value and an actual value in the coordinated supply of regional energy according to historical energy data in the prior art.
In order to achieve the above object, the present invention provides an intelligent monitoring and analyzing system based on comprehensive energy, comprising:
the photovoltaic power generation set is used for converting solar energy into electric energy through a photovoltaic panel so as to provide electric energy for a user side;
the fuel power generation group is connected with an electric energy input port of the user side and is used for converting heat energy generated by fuel combustion into electric energy so as to provide electric energy for the user side;
the monitoring unit is connected with the photovoltaic power generation group and the fuel power generation group and used for collecting historical electric energy consumption data of the user side, electric energy demand data of the user side, electric energy capacity data of the photovoltaic power generation group and electric energy capacity data of the fuel power generation group; the power storage group is respectively connected with the photovoltaic power generation group, the fuel power generation group and the monitoring unit and used for storing electric energy generated by the photovoltaic power generation group and the fuel power generation group and transmitting the stored electric energy to the user side;
The coordination control unit is respectively connected with the photovoltaic power generation group, the fuel power generation group, the monitoring unit and the power storage group and is used for analyzing the power consumption demand level of the user side according to the historical power consumption data to determine a preliminary power supply scheme, determining the starting time of the fuel power generation group according to the actual storage electric quantity of the power storage group in the system and the power consumption of the user side when the power storage group is adopted to supply power to the user side, and determining the power generation power of the fuel power generation group according to the power consumption trend of the user side when the fuel power generation group is started to supply power to the user side.
Further, the fuel power generation group includes a plurality of single-type combustion units disposed in parallel and a plurality of thermoelectric generation units connected to each of the single-type combustion units, a single of the single-type combustion units being configured to burn a fuel of a single fuel type to provide heat energy, a single of the thermoelectric generation units being configured to convert the heat energy generated by a corresponding single-type combustion unit into electric energy, the fuel comprising: coal, oil, natural gas, coal gas, and biomass fuels. Further, the monitoring unit comprises a data storage module for storing the historical electric energy consumption data and the data detected by the data detection module in real time and a data detection module for detecting the electric energy consumption of a user side, the electric energy capacity of a photovoltaic power generation group, the electric energy capacity of a fuel power generation group and the electric energy storage capacity of a power storage group, the data storage module is respectively connected with the data detection module and the coordination control unit, and the data detection module is respectively connected with the photovoltaic power generation group, the fuel power generation group, the power storage group and the electric energy input port of the user side.
Further, the coordination control unit forms an electric energy consumption statistical function P (t) according to the historical electric energy consumption data and determines an electric energy demand level of the user terminal by analyzing P (t) to match a preliminary power supply scheme for the user terminal, the electric energy consumption statistical function P (t) =pt is set, wherein t is an electric energy consumption data acquisition time of the user terminal, PT is an electric quantity total amount consumed by the user terminal at the electric energy consumption data acquisition time t, the coordination control unit is provided with a first electric energy demand level electric quantity standard PT1 and a second electric energy demand level electric quantity standard PT2, wherein 0 < PT1 < PT2, the coordination control unit marks the electric energy consumption total amount of the user terminal in an ith preset statistical period as Pti, and sets pti=p (t) i+1 )-P(t i ) Wherein t is i For the start time, t, of the ith preset statistical period i+1 For the start time of the (i+1) th preset statistical period, i is an integer,
when Pti is less than or equal to PT1, the coordination control unit judges that the ith preset statistical period is at a first electric energy demand level and adopts a first power supply scheme, and the coordination control unit controls the power storage group to be started so as to supply power to the user side and controls the fuel power generation group to be closed;
when PT1 is more than Pti and less than or equal to PT2, the coordination control unit judges that the ith preset statistical period is at a second electric energy demand level and adopts a second power supply scheme, and the coordination control unit controls the power storage group to supply power to the user side and determines whether to start a fuel power generation group to supply power to the power storage group according to the power generation power of the photovoltaic power generation group so as to enable the power storage group to store electric energy generated by the fuel power generation group;
When Pti is more than PT2, the coordination control unit judges that the ith preset statistical period is at a third electric energy demand level and adopts a third power supply scheme, and the coordination control unit controls the fuel power generation group to supply power to the user side.
Further, the coordination control unit determines whether the electricity storage group has electricity supply capacity according to the electricity quantity stored in the electricity storage group under a first electricity supply condition, the coordination control unit is provided with an electricity storage group electricity energy storage percentage standard E, wherein 10% < E < 30%, the coordination control unit marks the actual value of the electricity quantity stored in the electricity storage group as qa, marks the maximum stored electricity quantity in the electricity storage group as qz, the coordination control unit marks the electricity storage group electricity energy storage percentage as E, sets e=qa/qz×100%,
when E is more than or equal to E, the coordination control unit judges that the reserve electric quantity of the electricity storage group meets the standard, the electricity storage group has the power supply capacity, and the coordination control unit controls the electricity storage group to supply power to the user side;
when E is smaller than E, the coordination control unit judges that the reserve electric quantity of the electricity storage group is lower than a standard, the electricity storage group does not have power supply capacity, and adopts the third power supply scheme, and the coordination control unit controls the fuel electricity generation group to supply power to the user side;
The first power supply condition is that the coordination control unit adopts the first power supply scheme and the power storage group supplies power to the user side.
Further, the coordination control unit calculates an electricity load parameter of a user side according to the electricity consumption of the user side and the electricity storage amount of the photovoltaic power generation group under a first power supply adjustment condition, determines the opening waiting time or the closing waiting time of the fuel power generation group according to the electricity load parameter, the coordination control unit is provided with a first electricity load reference standard A1 and a second electricity load reference standard A2, wherein A1 is more than 0.5 and less than 1 and A2, the monitoring unit detects the electricity qb stored by the photovoltaic power generation group in a preset detection period TB and the electricity consumption qc of the user side in the preset detection period TB, the coordination control unit marks the electricity load parameter as a, a=qb/qc is set,
when a is less than or equal to A1, the coordination control unit judges that the electricity load parameter is lower than a first electricity load reference standard, the coordination control unit controls the fuel generating set to be started after the starting waiting time delta ta so as to supply power to the user side, controls the electricity storage set to be closed after the fuel generating set is started so as to supply power to the user side, and sets delta ta=0;
When A1 is more than or equal to A2, the coordination control unit judges that the electricity load parameter accords with a first electricity load reference standard, the coordination control unit controls the fuel generating set to be started after the starting waiting time delta ta so as to supply power to the user side, controls the electricity storage set to be closed after the fuel generating set is started so as to supply power to the user side, and sets delta ta= [0.5 qa/(qc-qb) ] multiplied by TB, wherein 1min is more than or equal to 60min;
when a is more than A2, the coordination control unit judges that the electricity load parameter accords with a second electricity load reference standard, and controls the electricity storage group to supply power to the user side and controls the fuel electricity generation group to keep closed within the closing waiting time delta TB, and delta tb= [0.3 qa/(qb-qc) ]xTB is set;
the first power supply adjustment condition is that the power storage group supplies power to the user terminal and E is more than or equal to E.
Further, the coordination control unit determines a threshold adjustment mode for the on-standby time or the off-standby time according to the current power demand level of the system under the first power supply adjustment condition so that the power supply start time or the power supply end time of the fuel power generation group meets the power demand of a user side, the coordination control unit is provided with a first power demand level adjustment parameter alpha 1, a second power demand level adjustment parameter alpha 2 and a third power demand level adjustment parameter alpha 3, wherein 0 < alpha 3 < 0.6 < alpha 2 < 1 < alpha 1,
When the system is at a first electric energy demand level, the coordination control unit adjusts the threshold value by adopting a first electric energy demand level adjusting parameter alpha 1, the coordination control unit marks the adjusted opening waiting time threshold value as delta TA, marks the adjusted closing waiting time threshold value as delta TB, and sets delta TA = delta TA0 x alpha 1 and delta TB = delta TB0 x alpha 1, wherein delta TA0 is a preset basic opening waiting time threshold value, and delta TB0 is a preset basic closing waiting time threshold value;
when the system is at the second electric energy demand level, the coordination control unit adjusts the waiting time length threshold by adopting a second electric energy demand level adjusting parameter alpha 2, and setting delta TA=delta TA0 multiplied by alpha 2, and delta TB=delta TB0 multiplied by alpha 2;
when the system is at the third power demand level, the coordination control unit adjusts the latency threshold by using a third power demand level adjustment parameter α3, and sets Δta=Δta0×α3, Δtb=Δtb0×α3.
Further, the coordination control unit compares the opening waiting time delta TA with a corresponding opening waiting time threshold delta TA under a first power supply correction condition, compares the closing waiting time delta TB with a corresponding closing waiting time threshold delta TB to determine an adjustment mode for power supply of the fuel generating set,
When delta TA is less than or equal to delta TA, the coordination control unit judges that the starting waiting time accords with a threshold value standard, and the coordination control unit controls the fuel generating set to be started after the starting waiting time delta TA so as to supply power;
when delta TA is larger than delta TA, the coordination control unit judges that the starting waiting time exceeds a threshold value standard, and the coordination control unit controls the fuel generating set to be started after the starting waiting time delta TA so as to supply power;
when the delta TB is less than or equal to delta TB, the coordination control unit judges that the closing waiting time length meets a threshold value standard, and the coordination control unit controls the fuel generating set to be kept closed within the closing waiting time length delta TB;
when Deltatb is more than Deltatb, the coordination control unit judges that the closing waiting time accords with a threshold value standard, and the coordination control unit controls the fuel generating set to be kept closed within the closing waiting time Deltatb;
the first power supply correction condition is that the coordination control unit calculates Δta and Δtb and adjusts Δta and Δtb.
Further, the coordination control unit determines whether to start the fuel power generation group to supply power to the power storage group according to the power generation power of the photovoltaic power generation group under a second power supply condition, the coordination control unit is provided with a power generation power standard F1, wherein F1 is more than 0, the coordination control unit records the power generation power of the photovoltaic power generation group detected by the monitoring unit as fg,
When fg is smaller than F1, the coordination control unit determines that the power generation power of the photovoltaic power generation group is lower than the standard and the power generation amount of the photovoltaic power generation group is lower than the standard, and the coordination control unit controls the fuel power generation group to be started so as to supply power to the power storage group;
when fg is more than or equal to F1, the coordination control unit judges that the power generation power of the photovoltaic power generation group meets the standard and the power generation amount of the photovoltaic power generation group meets the standard, and controls the fuel power generation group to close the power supply to the power storage group and controls the photovoltaic power generation group to supply power to the power storage group;
the second power supply condition is that the coordination control unit adopts a second power supply scheme and the power storage group supplies power to the user side.
Further, the coordination control unit determines the power consumption trend of the user side according to the power consumption statistical function P (t) under the third power supply condition to regulate the power generation power of the fuel power generation group, the coordination control unit is provided with a first trend comparison parameter D1, a second trend comparison parameter D2, a first power regulation parameter beta 1, a second power regulation parameter beta 2 and a third power regulation parameter beta 3, wherein 0 < D1 < D2,0 < beta 1 < beta 2 < beta 3, the coordination control unit marks the power consumption trend of the user side as D (t), D (t) is set as a derivative function of P (t), D (t) =P' (t), the coordination control unit marks the power consumption trend of the user side at t as D, D is more than or equal to 0,
When D is more than or equal to 0 and less than D1, the coordination control unit judges that the electric energy consumption of the user side is in a first increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β1 is set as the preset power generation power of the fuel power generation group;
when D1 is less than or equal to D2, the coordination control unit judges that the electric energy consumption of the user side is in a second increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β2 is set;
when D is more than or equal to D2, the coordination control unit judges that the electric energy consumption of the user side is in a third increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β3 is set;
and the third power supply condition is that the fuel power generation group supplies power to the user side.
Compared with the prior art, the invention has the beneficial effects that the photovoltaic power generation group, the fuel power generation group, the monitoring unit, the power storage group and the coordination control unit are arranged in the power station, the coordination control unit is used for judging the power consumption requirement level of the user side according to the analysis of the power consumption data of the user side so as to determine the preliminary power supply scheme, and the starting time and the power generation power of the fuel power generation group are determined according to the actual storage power quantity of the power storage group in the system, the power consumption quantity of the user side and the power consumption trend of the user side so as to provide the power for the user side, so that the power shortage or the power waste caused by the error between the power demand of the user side and the power generation power quantity of the power generation side is avoided, the power generation requirement of the power station can be met, and meanwhile, the energy saving and environment protection characteristics of the invention are effectively ensured by fully utilizing the clean energy advantage of the photovoltaic power station.
Furthermore, the fuel generating set comprises a plurality of single-type combustion units and thermoelectric generating units for providing electric energy, and the environment-friendly biomass fuel is adopted as the combustion fuel of the fuel generating set, so that the technical scheme of the invention is further and effectively guaranteed to have the advantage of environmental protection.
Further, the monitoring unit comprises a data storage module for storing the historical electric energy consumption data and the data detected by the data detection module in real time, and the data detection module for detecting the electric energy consumption of the user side, the electric energy capacity of the photovoltaic power generation group, the electric energy capacity of the fuel power generation group and the electric energy stored by the electric energy storage group, the data storage module is arranged to ensure that the historical data can be effectively recorded, the data detection module is arranged to detect the current electric energy consumption of the user side, the electric energy generation capacity of the photovoltaic power generation group of the power generation side and the electric energy stored by the electric energy storage group, and the invention effectively ensures that the electric energy generation capacity can be adjusted according to the actual electric energy consumption state of the user side, and the effective utilization of the generated electric energy is ensured.
Further, the coordination control unit forms an electric energy consumption statistical function P (t) according to the historical electric energy consumption data statistics, determines the electric energy demand level of the user side by analyzing the P (t), preliminarily obtains the electric energy consumption level of the user side in a preset statistical period by analyzing the electric energy consumption condition of the user side in the historical data, effectively utilizes the historical data as a reference of the generated energy to preliminarily plan what type of power generation mode is adopted for power generation, only uses a power storage group for power supply of the user side in the preset statistical period with less electric energy consumption, and uses a photovoltaic power generation group for power storage, thereby ensuring effective utilization of clean energy.
Further, the coordination control unit determines whether the electricity storage group has electricity supply capability according to the electricity quantity stored in the electricity storage group, if the electricity quantity in the electricity storage group is lower than the standard, the electricity cannot be supplied to the user side, and the electricity supply capability is not provided when the electricity demand of the user is increased, so that the electricity storage group can be ensured to effectively supply electricity in a certain time by detecting the electricity quantity stored in the electricity storage group, and on the other hand, the electricity storage group which does not have electricity supply by using electricity storage is ensured to provide fuel electricity generation by detecting, so that the electricity utilization of the electricity storage is effectively ensured, the electricity supply quantity is prevented from exceeding the use level of the user side, and meanwhile, the electricity supply terminal can be ensured to have stable electricity supply.
Further, the coordination control unit determines the electricity load parameter of the user side according to the electricity consumption of the user side and the electricity storage amount of the photovoltaic power generation group to determine the opening time or the closing time of the fuel power generation group, predicts the electricity consumption of the power storage group when the electricity stored by the power storage group is used for supplying electricity, determines the power supply starting time of the fuel power generation group according to the electricity difference between the electricity storage group and the power supply, and effectively ensures that the stability of the electricity supply of the user side can be ensured when the power supply of the user side is switched from the power storage group to the fuel power generation group by presetting the fuel power generation group to start the power supply when the electricity consumption of the power storage group is used for supplying electricity to a set value.
Further, the coordination control unit determines the threshold adjustment mode for the on-standby time length or the off-standby time length according to what electric energy demand level the system is in according to the preset statistical period currently corresponding to so that the power generation start time or the power generation end time of the fuel power generation group accords with the electric energy demand of the user side, and compares the calculated on-standby time length delta TA or off-standby time length delta TB with the corresponding on-standby time length threshold delta TA or off-standby time length threshold delta TB to determine the adjustment mode for the power supply of the fuel power generation group.
Further, the coordination control unit determines whether to start the fuel power generation group to generate power according to the power fg of the photovoltaic power generation group so that the power storage group stores the power generated by the fuel power generation group, judges whether the photovoltaic power generation group can provide enough power by judging the power generation power of the photovoltaic power generation group, and supplements and stores power by adopting the fuel power generation group when the power generation power of the photovoltaic power generation group is lower than the standard, thereby effectively ensuring sufficient power storage, further ensuring that the technical scheme of the invention can provide required power for a user terminal and avoiding the condition of insufficient power supply requirement caused by insufficient power.
Further, the invention determines the power consumption trend of the user side to regulate the power generation power of the fuel power generation group through the power consumption statistical function P (t), judges the power consumption trend of the user side through analysis of the power consumption of the user side, regulates the power generation power of the fuel power generation group, effectively ensures that the technical scheme of the invention can effectively identify the power value of the power demand corresponding to the supply demand of the user side, ensures effective utilization of power generation and avoids energy waste caused by excessive power generation.
Drawings
FIG. 1 is a schematic diagram of the intelligent monitoring and analyzing system based on comprehensive energy sources;
FIG. 2 is a schematic diagram of a fuel cell stack according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a monitoring unit according to the present invention;
FIG. 4 is a power supply logic diagram of the intelligent monitoring and analyzing system based on comprehensive energy sources;
FIG. 5 is a logic diagram of feedback regulation of the intelligent monitoring and analysis system based on comprehensive energy.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a schematic structural diagram of an intelligent monitoring and analyzing system based on comprehensive energy, the invention provides an intelligent monitoring and analyzing system based on comprehensive energy, comprising:
the photovoltaic power generation set is used for converting solar energy into electric energy through a photovoltaic panel so as to provide electric energy for a user side;
the fuel power generation group is connected with an electric energy input port of the user side and is used for converting heat energy generated by fuel combustion into electric energy so as to provide electric energy for the user side;
the monitoring unit is connected with the photovoltaic power generation group and the fuel power generation group and used for collecting historical electric energy consumption data of the user side, electric energy demand data of the user side, electric energy capacity data of the photovoltaic power generation group and electric energy capacity data of the fuel power generation group;
The power storage group is respectively connected with the photovoltaic power generation group, the fuel power generation group and the monitoring unit and used for storing electric energy generated by the photovoltaic power generation group and the fuel power generation group and transmitting the stored electric energy to the user side;
the coordination control unit is respectively connected with the photovoltaic power generation group, the fuel power generation group, the monitoring unit and the power storage group and is used for analyzing the power consumption demand level of the user side according to the historical power consumption data to determine a preliminary power supply scheme, determining the starting time of the fuel power generation group according to the actual storage electric quantity of the power storage group in the system and the power consumption of the user side when the power storage group is adopted to supply power to the user side, and determining the power generation power of the fuel power generation group according to the power consumption trend of the user side when the fuel power generation group is started to supply power to the user side.
According to the invention, the photovoltaic power generation group, the fuel power generation group, the monitoring unit, the power storage group and the coordination control unit are arranged in the power station, the coordination control unit is used for judging the power consumption requirement level of the user side according to the analysis of the power consumption data of the user side so as to determine a preliminary power supply scheme, and the starting time and the power generation power of the fuel power generation group are determined according to the actual storage power quantity of the power storage group in the system, the power consumption of the user side and the power consumption trend of the user side so as to provide power for the user side, so that the defect of insufficient power or power waste caused by errors between the power demand of the user side and the power generation power of the power generation side is avoided, the power consumption requirement of the user side can be met by the power station, and meanwhile, the energy saving and environment protection characteristics of the power station are effectively ensured by fully utilizing the clean energy advantage of the photovoltaic power station.
Referring to fig. 2, which is a schematic structural diagram of a fuel power generation set according to an embodiment of the present invention, the fuel power generation set includes a plurality of single-type combustion units disposed in parallel and a plurality of thermoelectric generation units connected to each of the single-type combustion units, wherein a single-type combustion unit is configured to combust a fuel of a single fuel type to provide heat energy, and a single thermoelectric generation unit is configured to convert the heat energy generated by a corresponding single-type combustion unit into electric energy, and the fuel includes: coal, oil, natural gas, coal gas, and biomass fuels.
The fuel power generation group comprises a plurality of single-type combustion units and thermoelectric generation units for providing electric energy, and the environment-friendly biomass fuel is used as the combustion fuel of the fuel power generation group, so that the technical scheme of the invention is further and effectively guaranteed to have the advantage of environmental protection.
Referring to fig. 3, a schematic structural diagram of a monitoring unit according to the present invention is shown, where the monitoring unit includes a data storage module for storing the historical power consumption data and the data detected by the data detection module in real time, and a data detection module for detecting the power consumption of the user, the power capacity of the photovoltaic power generation unit, the power capacity of the fuel power generation unit, and the power storage capacity of the power storage unit, where the data storage module is respectively connected to the data detection module and the coordination control unit, and the data detection module is respectively connected to the photovoltaic power generation unit, the fuel power generation unit, the power storage unit, and the power input port of the user.
According to the invention, the data storage module is arranged to ensure that historical data can be effectively recorded, and the data detection module is arranged to detect the current electricity consumption condition of the user side, the electricity generation quantity of the photovoltaic power generation group and the fuel power generation group at the power generation side and the electricity storage condition of the power storage group, so that the invention can effectively ensure that the electricity generation quantity can be adjusted according to the actual electricity consumption state of the user side, and the effective utilization of the generated electricity is ensured.
Referring to fig. 4, which is a power supply logic diagram of the intelligent monitoring and analyzing system based on comprehensive energy, the coordination control unit forms an electric energy consumption statistical function P (t) according to the historical electric energy consumption data and determines an electric energy demand level of a user terminal by analyzing P (t) to match a preliminary power supply scheme for the user terminal, and sets the electric energy consumption statistical function P (t) =pt, wherein t is an electric energy consumption data acquisition time of the user terminal, PT is an electric energy total amount consumed by the user terminal at the electric energy consumption data acquisition time t, the coordination control unit is provided with a first electric energy demand level electric energy standard PT1 and a second electric energy demand level electric energy standard PT2, wherein 0 < PT1 < PT2, the coordination control unit records the electric energy consumption total amount of the user terminal in an i-th preset statistical period as Pti, and sets pti=p (t i+1 )-P(t i ) Wherein t is i For the start time, t, of the ith preset statistical period i+1 For the start time of the (i+1) th preset statistical period, i is an integer,
when Pti is less than or equal to PT1, the coordination control unit judges that the ith preset statistical period is at a first electric energy demand level and adopts a first power supply scheme, and the coordination control unit controls the power storage group to be started so as to supply power to the user side and controls the fuel power generation group to be closed;
When PT1 is more than Pti and less than or equal to PT2, the coordination control unit judges that the ith preset statistical period is at a second electric energy demand level and adopts a second power supply scheme, and the coordination control unit controls the power storage group to supply power to the user side and determines whether to start a fuel power generation group to supply power to the power storage group according to the power generation power of the photovoltaic power generation group so as to enable the power storage group to store electric energy generated by the fuel power generation group;
when Pti is more than PT2, the coordination control unit judges that the ith preset statistical period is at a third electric energy demand level and adopts a third power supply scheme, and the coordination control unit controls the fuel power generation group to supply power to the user side.
The coordination control unit forms an electric energy consumption statistical function P (t) according to historical electric energy consumption data statistics, determines the electric energy demand level of the user side by analyzing the P (t), preliminarily obtains the electric energy consumption level of the user side in a preset statistical period by analyzing the electric energy consumption condition of the user side in the historical data, effectively utilizes the historical data as a reference of the generated energy to preliminarily plan what type of power generation mode is adopted for power generation, and only uses the photovoltaic power generation group for power supply in the preset statistical period with less electric energy consumption, thereby ensuring the effective utilization of clean energy.
Specifically, the coordination control unit determines whether the electricity storage group has electricity supply capacity according to the electricity quantity stored in the electricity storage group under a first electricity supply condition, the coordination control unit is provided with an electricity storage group electricity energy storage percentage standard E, wherein 10% < E < 30%, the coordination control unit marks the actual value of the electricity quantity stored in the electricity storage group as qa, marks the maximum stored electricity quantity in the electricity storage group as qz, the coordination control unit marks the electricity storage group electricity energy storage percentage as E, sets e=qa/qz×100%,
when E is more than or equal to E, the coordination control unit judges that the reserve electric quantity of the electricity storage group meets the standard and the electricity storage group has the power supply capacity, and controls the electricity storage group to supply power to the user side and determines the opening time of the fuel electricity generation group according to the electric energy consumption of the user side and the electric energy storage capacity of the photovoltaic electricity generation group so as to supply power to the user side by the fuel electricity generation group;
when E is smaller than E, the coordination control unit judges that the reserve electric quantity of the electricity storage group is lower than a standard, the electricity storage group does not have power supply capacity, and adopts the third power supply scheme, and the coordination control unit controls the fuel electricity generation group to supply power to the user side;
the first power supply condition is that the coordination control unit adopts the first power supply scheme and the power storage group supplies power to the user side.
The coordination control unit determines whether the electricity storage group has electricity supply capability according to the electricity quantity stored in the electricity storage group, if the electricity quantity in the electricity storage group is lower than the standard, the electricity cannot be supplied to a user side, and the electricity supply capability is not provided when the electricity demand of the user is increased, so that the electricity storage group can be ensured to effectively supply electricity in a certain time by detecting the electricity quantity stored in the electricity storage group, and on the other hand, the electricity storage group which does not have the electricity supply capability by using electricity is ensured to provide fuel for electricity generation by detecting, so that the electricity utilization of the electricity storage is effectively ensured, the electricity supply quantity is prevented from exceeding the use level of the user side, and meanwhile, the stable electricity supply of the electricity supply side can be ensured.
Referring to fig. 5, which is a feedback adjustment logic diagram of the intelligent monitoring and analyzing system based on comprehensive energy, the coordination control unit calculates an electricity load parameter of a user terminal according to the electricity consumption of the user terminal and the electricity storage amount of the photovoltaic power generation group under a first power supply adjustment condition and determines an on-waiting time or an off-waiting time of the fuel power generation group according to the electricity load parameter, the coordination control unit is provided with a first electricity load reference standard A1 and a second electricity load reference standard A2, wherein a < 1 < 2, the monitoring unit detects the electricity qb stored by the photovoltaic power generation group in a preset detection period TB and the electricity consumption qc of the user terminal in a preset detection period TB, the coordination control unit marks the electricity load parameter as a, sets a=qb/qc,
When a is less than or equal to A1, the coordination control unit judges that the electricity load parameter is lower than a first electricity load reference standard, the coordination control unit controls the fuel generating set to be started after the starting waiting time delta ta so as to supply power to the user side, controls the electricity storage set to be closed after the fuel generating set is started so as to supply power to the user side, and sets delta ta=0;
when A1 is more than or equal to A2, the coordination control unit judges that the electricity load parameter accords with a first electricity load reference standard, the coordination control unit controls the fuel generating set to be started after the starting waiting time delta ta so as to supply power to the user side, controls the electricity storage set to be closed after the fuel generating set is started so as to supply power to the user side, and sets delta ta= [0.5 qa/(qc-qb) ] multiplied by TB, wherein 1min is more than or equal to 60min;
when a is more than A2, the coordination control unit judges that the electricity load parameter accords with a second electricity load reference standard, and controls the electricity storage group to supply power to the user side and controls the fuel electricity generation group to keep closed within the closing waiting time delta TB, and delta tb= [0.3 qa/(qb-qc) ]xTB is set;
the first power supply adjustment condition is that the power storage group supplies power to the user terminal and E is more than or equal to E.
According to the invention, the power generation amount of the current photovoltaic power generation group and the power consumption of the user side are detected, when the power stored by the power storage group is used for supplying power, the power consumption of the power storage group can be predicted, the power generation starting time of the fuel power generation group is determined according to the power difference between the power storage group and the power supply, and the stability of the power supply of the user side can be ensured when the power is supplied by the power storage group so that the power consumption of the power storage group reaches a set value by presetting the power supply starting of the fuel power generation group.
Referring to fig. 5, which is a feedback adjustment logic diagram of the intelligent monitoring and analyzing system based on comprehensive energy, the coordination control unit determines a threshold adjustment mode for the on-standby time or the off-standby time according to the current power demand level of the system in the first power supply adjustment condition so that the power supply start time or the power supply end time of the fuel generating set meets the power demand of the user, wherein the coordination control unit is provided with a first power demand level adjustment parameter α1, a second power demand level adjustment parameter α2 and a third power demand level adjustment parameter α3, wherein 0 < α3 < 0.6 < α2 < 1 < α1,
when the system is at a first electric energy demand level, the coordination control unit adjusts the threshold value by adopting a first electric energy demand level adjusting parameter alpha 1, the coordination control unit marks the adjusted opening waiting time threshold value as delta TA, marks the adjusted closing waiting time threshold value as delta TB, and sets delta TA = delta TA0 x alpha 1 and delta TB = delta TB0 x alpha 1, wherein delta TA0 is a preset basic opening waiting time threshold value, and delta TB0 is a preset basic closing waiting time threshold value;
when the system is at the second electric energy demand level, the coordination control unit adjusts the waiting time length threshold by adopting a second electric energy demand level adjusting parameter alpha 2, and setting delta TA=delta TA0 multiplied by alpha 2, and delta TB=delta TB0 multiplied by alpha 2;
When the system is at the third power demand level, the coordination control unit adjusts the latency threshold by using a third power demand level adjustment parameter α3, and sets Δta=Δta0×α3, Δtb=Δtb0×α3.
Specifically, the coordination control unit compares the opening waiting time length delta TA with a corresponding opening waiting time length threshold delta TA under a first power supply correction condition, compares the closing waiting time length delta TB with a corresponding closing waiting time length threshold delta TB to determine an adjustment mode for power supply of the fuel generating set,
when delta TA is less than or equal to delta TA, the coordination control unit judges that the starting waiting time accords with a threshold value standard, and the coordination control unit controls the fuel generating set to be started after the starting waiting time delta TA so as to supply power;
when delta TA is larger than delta TA, the coordination control unit judges that the starting waiting time exceeds a threshold value standard, and the coordination control unit controls the fuel generating set to be started after the starting waiting time delta TA so as to supply power;
when the delta TB is less than or equal to delta TB, the coordination control unit judges that the closing waiting time length meets a threshold value standard, and the coordination control unit controls the fuel generating set to be kept closed within the closing waiting time length delta TB;
When Deltatb is more than Deltatb, the coordination control unit judges that the closing waiting time accords with a threshold value standard, and the coordination control unit controls the fuel generating set to be kept closed within the closing waiting time Deltatb;
the first power supply correction condition is that the coordination control unit calculates Δta and Δtb and adjusts Δta and Δtb.
The coordination control unit determines the threshold adjustment mode for the on-standby time length or the off-standby time length according to the current corresponding preset electric energy demand level of the system so that the power generation starting time or the power generation ending time of the fuel power generation group accords with the electric energy demand of a user side, and compares the calculated on-standby time length delta TA or off-standby time length delta TB with the corresponding on-standby time length threshold delta TA or off-standby time length threshold delta TB to determine the adjustment mode for the power supply of the fuel power generation group.
Specifically, the coordination control unit determines whether to start a fuel power generation group to supply power to the power storage group according to the power generation power of the photovoltaic power generation group under a second power supply condition, the coordination control unit is provided with a power generation power standard F1, wherein F1 is more than 0, the coordination control unit records the power generation power of the photovoltaic power generation group detected by the monitoring unit as fg,
when fg is smaller than F1, the coordination control unit determines that the power generation power of the photovoltaic power generation group is lower than the standard and the power generation amount of the photovoltaic power generation group is lower than the standard, and the coordination control unit controls the fuel power generation group to be started so as to supply power to the power storage group;
when fg is more than or equal to F1, the coordination control unit judges that the power generation power of the photovoltaic power generation group meets the standard and the power generation amount of the photovoltaic power generation group meets the standard, and controls the fuel power generation group to close the power supply to the power storage group and controls the photovoltaic power generation group to supply power to the power storage group;
the second power supply condition is that the coordination control unit adopts a second power supply scheme and the power storage group supplies power to the user side.
According to the invention, whether the photovoltaic power generation group can provide enough electric energy is judged by judging the power generation power of the photovoltaic power generation group, and the fuel power generation group is adopted to supplement and store electricity when the power generation power of the photovoltaic power generation group is lower than the standard, so that the sufficient electric energy storage is effectively ensured, the technical scheme of the invention can provide required electric energy for a user side, and the condition that the power supply requirement is not met due to insufficient electric energy is avoided.
Specifically, the coordination control unit determines the power consumption trend of the user side according to the power consumption statistical function P (t) under a third power supply condition to regulate the power generated by the fuel generating set, the coordination control unit is provided with a first trend comparison parameter D1, a second trend comparison parameter D2, a first power regulation parameter beta 1, a second power regulation parameter beta 2 and a third power regulation parameter beta 3, wherein 0 < D1 < D2,0 < beta 1 < beta 2 < beta 3, the coordination control unit marks the power consumption trend of the user side as D (t), sets D (t) as a derivative function of P (t), D (t) =p' (t), the coordination control unit marks the power consumption trend of the user side at t as D, D is more than or equal to 0,
when D is more than or equal to 0 and less than D1, the coordination control unit judges that the electric energy consumption of the user side is in a first increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β1 is set as the preset power generation power of the fuel power generation group;
when D1 is less than or equal to D2, the coordination control unit judges that the electric energy consumption of the user side is in a second increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β2 is set;
when D is more than or equal to D2, the coordination control unit judges that the electric energy consumption of the user side is in a third increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β3 is set;
And the third power supply condition is that the fuel power generation group supplies power to the user side.
According to the invention, the power consumption trend of the user side is determined through the power consumption statistical function P (t), the power generation power of the fuel power generation group is regulated, the power consumption trend of the user side is judged through analysis of the power consumption of the user side, and the power generation power of the fuel power generation group is regulated, so that the technical scheme of the invention can effectively identify the power value of the power demand corresponding to the supply demand of the user side, ensure effective utilization of power generation and avoid energy waste caused by excessive power generation.
Example 1
The embodiment provides an intelligent monitoring analysis system based on comprehensive energy, wherein a user side power supply object is each industrial enterprise in an area, and the system comprises: the system comprises a photovoltaic power generation group, a biomass-burning fuel power generation group, a monitoring unit, a power storage group and a coordination control unit, wherein each parameter in the coordination control unit is set as follows:
the first electric energy requirement level electric quantity standard PT1=0.1×historical statistical average power consumption of all-day users;
the second electric energy requirement level electric quantity standard PT2 = 0.3 x historical statistical average power consumption of all-day users;
The preset statistical period equally divides 24 hours in one day into 2 statistical periods, and the duration of each statistical period is 12 hours, which are respectively: 1 st statistical period 6:00-18:00; statistical period 2 18:00-24:00;
percent storage standard e=20%;
a first electrical load reference standard a1=0.6;
a second electrical load reference standard a2=1.3;
a first electrical energy demand level adjustment parameter α1=1.5;
a second electrical energy demand level adjustment parameter α2=0.8;
a third electrical energy demand level adjustment parameter α3=0.5;
power generation standard f1=0.5×rated power generation of the photovoltaic power generation group;
the first trend comparison parameter d1=0.05;
a second trend comparison parameter d2=0.1;
the first power regulation parameter β1=0.6;
a second power regulation variable β2=1.1;
the third power control variable β3=1.5.
Example 2
The embodiment provides an intelligent monitoring analysis system based on comprehensive energy, wherein a user side power supply object is a single electric energy demand object, and the system comprises: the system comprises a photovoltaic power generation group, a natural gas combustion fuel power generation group, a monitoring unit, a power storage group and a coordination control unit, wherein each parameter in the coordination control unit is set as follows:
the first electric energy requirement level electric quantity standard PT1=0.2×historical statistical average power consumption of all-day users;
The second electric energy requirement level electric quantity standard PT2 = 0.4 x historical statistical average power consumption of all-day users;
the preset statistical period equally divides 24 hours in one day into 4 statistical periods, and the duration of each statistical period is 6 hours, which are respectively: 1 st statistical period 0:00-6:00; statistical period 2 is 6:00-12:00; statistical period 3 12:00-18:00; statistical period 4 18:00-24:00;
the storage group power reserve percentage standard e=15%;
a first electrical load reference standard a1=0.8;
a second electrical load reference standard a2=1.2;
a first electrical energy demand level adjustment parameter α1=1.5;
a second electrical energy demand level adjustment parameter α2=0.8;
a third electrical energy demand level adjustment parameter α3=0.5;
power generation standard f1=0.5×rated power generation of the photovoltaic power generation group;
the first trend comparison parameter d1=0.05;
a second trend comparison parameter d2=0.1;
the first power regulation parameter β1=0.6;
a second power regulation variable β2=1.1;
the third power control variable β3=1.5.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. .

Claims (6)

1. An intelligent monitoring and analyzing system based on comprehensive energy, which is characterized by comprising:
the photovoltaic power generation set is used for converting solar energy into electric energy through a photovoltaic panel so as to provide electric energy for a user side;
the fuel power generation group is connected with an electric energy input port of the user side and is used for converting heat energy generated by fuel combustion into electric energy so as to provide electric energy for the user side;
the monitoring unit is connected with the photovoltaic power generation group and the fuel power generation group and used for collecting historical electric energy consumption data of the user side, electric energy demand data of the user side, electric energy capacity data of the photovoltaic power generation group and electric energy capacity data of the fuel power generation group;
the power storage group is respectively connected with the photovoltaic power generation group, the fuel power generation group and the monitoring unit and used for storing electric energy generated by the photovoltaic power generation group and the fuel power generation group and transmitting the stored electric energy to the user side;
The coordination control unit is respectively connected with the photovoltaic power generation group, the fuel power generation group, the monitoring unit and the power storage group and is used for analyzing the power consumption requirement level of the user side according to the historical power consumption data to determine a preliminary power supply scheme, determining the starting time of the fuel power generation group according to the actual stored power of the power storage group in the system and the power consumption of the user side when the power storage group is adopted to supply power to the user side, and determining the power generation power of the fuel power generation group according to the power consumption trend of the user side when the fuel power generation group is started to supply power to the user side;
the monitoring unit comprises a data storage module for storing the historical electric energy consumption data and the data detected by the data detection module in real time and a data detection module for detecting the electric energy consumption of a user side, the electric energy capacity of a photovoltaic power generation group, the electric energy capacity of a fuel power generation group and the electric energy storage capacity of a power storage group, wherein the data storage module is respectively connected with the data detection module and the coordination control unit, and the data detection module is respectively connected with the photovoltaic power generation group, the fuel power generation group, the power storage group and the electric energy input port of the user side;
The coordination control unit forms an electric energy consumption statistical function P (t) according to the historical electric energy consumption data and determines the electric energy demand level of the user terminal by analyzing the P (t) to match a preliminary power supply scheme for the user terminal, the electric energy consumption statistical function P (t) =pt is set, wherein t is the electric energy consumption data acquisition time of the user terminal, PT is the electric quantity total amount consumed by the user terminal at the electric energy consumption data acquisition time t, the coordination control unit is provided with a first electric energy demand level electric quantity standard PT1 and a second electric energy demand level electric quantity standard PT2, wherein 0 < PT1 < PT2, the coordination control unit marks the electric energy consumption total amount of the user terminal in an ith preset statistical period as Pti, and sets Pti=P (t) i+1 )-P(t i ) Wherein t is i For the start time, t, of the ith preset statistical period i+1 For the start time of the (i+1) th preset statistical period, i is an integer,
when Pti is less than or equal to PT1, the coordination control unit judges that the ith preset statistical period is at a first electric energy demand level and adopts a first power supply scheme, and the coordination control unit controls the power storage group to be started so as to supply power to the user side and controls the fuel power generation group to be closed;
when PT1 is more than Pti and less than or equal to PT2, the coordination control unit judges that the ith preset statistical period is at a second electric energy demand level and adopts a second power supply scheme, and the coordination control unit controls the power storage group to supply power to the user side and determines whether to start a fuel power generation group to supply power to the power storage group according to the power generation power of the photovoltaic power generation group so as to enable the power storage group to store electric energy generated by the fuel power generation group;
When Pti is more than PT2, the coordination control unit judges that the ith preset statistical period is at a third electric energy demand level and adopts a third power supply scheme, and the coordination control unit controls the fuel power generation group to supply power to the user side;
the coordination control unit determines whether the electricity storage group has electricity supply capacity according to the electricity quantity stored in the electricity storage group under a first electricity supply condition, the coordination control unit is provided with an electricity storage group electricity storage percentage standard E, wherein E is more than 10 percent and less than 30 percent, the coordination control unit records the actual value of the electricity quantity stored in the electricity storage group as qa, the maximum stored electricity quantity in the electricity storage group as qz, the coordination control unit records the electricity storage group electricity storage percentage as E, e=qa/qz×100 percent is set,
when E is more than or equal to E, the coordination control unit judges that the reserve electric quantity of the electricity storage group meets the standard, the electricity storage group has the power supply capacity, and the coordination control unit controls the electricity storage group to supply power to the user side;
when E is smaller than E, the coordination control unit judges that the reserve electric quantity of the electricity storage group is lower than a standard, the electricity storage group does not have power supply capacity, and adopts the third power supply scheme, and the coordination control unit controls the fuel electricity generation group to supply power to the user side;
The first power supply condition is that the coordination control unit adopts the first power supply scheme and the power storage group supplies power to the user side;
the coordination control unit calculates the electricity consumption load parameter of a user side according to the electricity consumption of the user side and the electricity storage amount of the photovoltaic power generation group under a first power supply adjustment condition, determines the opening waiting time or closing waiting time of the fuel power generation group according to the electricity consumption load parameter, is provided with a first electricity consumption load reference standard A1 and a second electricity consumption load reference standard A2, wherein A1 is more than 0.5 and less than 1 and less than A2, the monitoring unit detects the electricity quantity qb stored by the photovoltaic power generation group in a preset detection period TB and the electricity consumption quantity qc of the user side in the preset detection period TB, the coordination control unit marks the electricity consumption load parameter as a, a=qb/qc is set,
when a is less than or equal to A1, the coordination control unit judges that the electricity load parameter is lower than a first electricity load reference standard, the coordination control unit controls the fuel generating set to be started after the starting waiting time delta ta so as to supply power to the user side, controls the electricity storage set to be closed after the fuel generating set is started so as to supply power to the user side, and sets delta ta=0;
When A1 is more than or equal to A2, the coordination control unit judges that the electricity load parameter accords with a first electricity load reference standard, the coordination control unit controls the fuel generating set to be started after the starting waiting time delta ta so as to supply power to the user side, controls the electricity storage set to be closed after the fuel generating set is started so as to supply power to the user side, and sets delta ta= [0.5 qa/(qc-qb) ] multiplied by TB, wherein 1min is more than or equal to 60min;
when a is more than A2, the coordination control unit judges that the electricity load parameter accords with a second electricity load reference standard, and controls the electricity storage group to supply power to the user side and controls the fuel electricity generation group to keep closed within the closing waiting time delta TB, and delta tb= [0.3 qa/(qb-qc) ]xTB is set;
the first power supply adjustment condition is that the power storage group supplies power to the user terminal and E is more than or equal to E.
2. The integrated energy based intelligent monitoring and analysis system according to claim 1, wherein the fuel power generation group comprises a plurality of single type combustion units arranged in parallel and a plurality of thermoelectric generation units connected with each single type combustion unit, wherein a single type combustion unit is used for combusting a single fuel type fuel to provide heat energy, and a single thermoelectric generation unit is used for converting heat energy generated by a corresponding single type combustion unit into electric energy, and the fuel comprises: coal, oil, natural gas, coal gas, and biomass fuels.
3. The integrated energy-based intelligent monitoring and analyzing system according to claim 2, wherein the coordination control unit determines a threshold adjustment mode for the on-standby time period or the off-standby time period according to a current power demand level of the system in the first power supply adjustment condition so that a power supply start time or a power supply end time of the fuel power generation group meets a power demand of a user side, the coordination control unit is provided with a first power demand level adjustment parameter α1, a second power demand level adjustment parameter α2 and a third power demand level adjustment parameter α3, wherein 0 < α3 < 0.6 < α2 < 1 < α1,
when the system is at a first electric energy demand level, the coordination control unit adjusts the threshold value by adopting a first electric energy demand level adjusting parameter alpha 1, the coordination control unit marks the adjusted opening waiting time threshold value as delta TA, marks the adjusted closing waiting time threshold value as delta TB, and sets delta TA = delta TA0 x alpha 1 and delta TB = delta TB0 x alpha 1, wherein delta TA0 is a preset basic opening waiting time threshold value, and delta TB0 is a preset basic closing waiting time threshold value;
when the system is at the second electric energy demand level, the coordination control unit adjusts the waiting time length threshold by adopting a second electric energy demand level adjusting parameter alpha 2, and setting delta TA=delta TA0 multiplied by alpha 2, and delta TB=delta TB0 multiplied by alpha 2;
When the system is at the third power demand level, the coordination control unit adjusts the latency threshold by using a third power demand level adjustment parameter α3, and sets Δta=Δta0×α3, Δtb=Δtb0×α3.
4. The integrated energy-based intelligent monitoring and analysis system according to claim 3, wherein the coordination control unit compares the on-standby time period Δta with a corresponding on-standby time period threshold Δta under a first power supply correction condition, compares the off-standby time period Δtb with a corresponding off-standby time period threshold Δtb to determine an adjustment mode for power supply to the fuel power generation group,
when delta TA is less than or equal to delta TA, the coordination control unit judges that the starting waiting time accords with a threshold value standard, and the coordination control unit controls the fuel generating set to be started after the starting waiting time delta TA so as to supply power;
when delta TA is larger than delta TA, the coordination control unit judges that the starting waiting time exceeds a threshold value standard, and the coordination control unit controls the fuel generating set to be started after the starting waiting time delta TA so as to supply power;
when the delta TB is less than or equal to delta TB, the coordination control unit judges that the closing waiting time length meets a threshold value standard, and the coordination control unit controls the fuel generating set to be kept closed within the closing waiting time length delta TB;
When Deltatb is more than Deltatb, the coordination control unit judges that the closing waiting time accords with a threshold value standard, and the coordination control unit controls the fuel generating set to be kept closed within the closing waiting time Deltatb;
the first power supply correction condition is that the coordination control unit calculates Δta and Δtb and adjusts Δta and Δtb.
5. The integrated energy-based intelligent monitoring and analyzing system according to claim 2, wherein the coordination control unit determines whether to start a fuel generating set to supply power to the electricity storage set according to the generated power of the photovoltaic generating set under a second power supply condition, the coordination control unit is provided with a generated power standard F1, wherein F1 is more than 0, the coordination control unit records the generated power of the photovoltaic generating set detected by the monitoring unit as fg,
when fg is smaller than F1, the coordination control unit determines that the power generation power of the photovoltaic power generation group is lower than the standard and the power generation amount of the photovoltaic power generation group is lower than the standard, and the coordination control unit controls the fuel power generation group to be started so as to supply power to the power storage group;
when fg is more than or equal to F1, the coordination control unit judges that the power generation power of the photovoltaic power generation group meets the standard and the power generation amount of the photovoltaic power generation group meets the standard, and controls the fuel power generation group to close the power supply to the power storage group and controls the photovoltaic power generation group to supply power to the power storage group;
The second power supply condition is that the coordination control unit adopts a second power supply scheme and the power storage group supplies power to the user side.
6. The integrated energy-based intelligent monitoring and analyzing system according to claim 2, wherein the coordination control unit determines the power consumption trend of the user terminal according to the power consumption statistical function P (t) under a third power supply condition to regulate the power generated by the fuel power generation group, the coordination control unit is provided with a first trend comparison parameter D1, a second trend comparison parameter D2, a first power regulation parameter β1, a second power regulation parameter β2 and a third power regulation parameter β3, wherein 0 < D1 < D2,0 < β1 < β2 < β3, the coordination control unit marks the power consumption trend of the user terminal as D (t), sets D (t) as a guide function of P (t), D (t) =p' (t), the coordination control unit marks the power consumption trend of the user terminal at t as D, D is greater than or equal to 0,
when D is more than or equal to 0 and less than D1, the coordination control unit judges that the electric energy consumption of the user side is in a first increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β1 is set as the preset power generation power of the fuel power generation group;
when D1 is less than or equal to D2, the coordination control unit judges that the electric energy consumption of the user side is in a second increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β2 is set;
When D is more than or equal to D2, the coordination control unit judges that the electric energy consumption of the user side is in a third increase interval and adjusts the power generation power of the fuel power generation group to fr, and fr=fr0×β3 is set;
and the third power supply condition is that the fuel power generation group supplies power to the user side.
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