CN116526569B - Voltage-stabilizing power supply method for photovoltaic power generation system of air compression station - Google Patents
Voltage-stabilizing power supply method for photovoltaic power generation system of air compression station Download PDFInfo
- Publication number
- CN116526569B CN116526569B CN202211385889.0A CN202211385889A CN116526569B CN 116526569 B CN116526569 B CN 116526569B CN 202211385889 A CN202211385889 A CN 202211385889A CN 116526569 B CN116526569 B CN 116526569B
- Authority
- CN
- China
- Prior art keywords
- voltage
- generation system
- power generation
- power supply
- photovoltaic power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 152
- 230000006835 compression Effects 0.000 title claims abstract description 128
- 238000007906 compression Methods 0.000 title claims abstract description 128
- 238000000034 method Methods 0.000 title claims abstract description 59
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 55
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 45
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a voltage-stabilizing power supply method of a photovoltaic power generation system of an air compression station, which comprises the following steps: acquiring a voltage stabilizing coefficient of the photovoltaic power generation system in the power supply process, and comparing the acquired voltage stabilizing coefficient with a preset voltage stabilizing threshold; step two: when the voltage stabilizing coefficient is larger than or equal to the voltage stabilizing threshold value, maintaining the power supply line of the photovoltaic power generation system; when the voltage stabilizing coefficient is smaller than the voltage stabilizing threshold value, acquiring initial voltage and terminal voltage in the power supply process of the photovoltaic power generation system; step three: the voltage calibration module is used for carrying out calibration processing on the initial voltage and the terminal voltage, so that the identification of the running state of the photovoltaic power generation system or the terminal equipment is completed, the partition maintenance is carried out on the photovoltaic power generation system of the air compression station according to the running states of the photovoltaic power generation system and the terminal equipment, and the voltage-stabilizing power supply of the photovoltaic power generation system of the air compression station is realized.
Description
Technical Field
The invention relates to the technical field of air compression stations, in particular to a voltage-stabilizing power supply method of a photovoltaic power generation system of an air compression station.
Background
The air compression station is a compressed air station and consists of an air compressor, an air storage tank (divided into a first-stage air storage tank and a second-stage air storage tank), air treatment and purification equipment and a cold dryer; an air compressor refers to a device for converting electric energy into air kinetic energy, and is used in various scenes in which pressurized air needs to be provided;
the air compression station needs power supply system to cooperate in the operation process, and among the prior art, because the power supply line of air compression station photovoltaic power generation system can not effectively maintain, lead to the steady voltage power supply in-process of air compression station to break down often, can not realize steady voltage power supply, and current air compression station photovoltaic power generation system is in the power supply in-process, and the initial voltage of air compression station photovoltaic power generation system or terminal voltage of terminal equipment can not reach the operation requirement in the power supply in-process, causes the unstable power supply of air compression station photovoltaic power generation system, has certain limitation.
Disclosure of Invention
The invention aims to provide a voltage-stabilizing power supply method of a photovoltaic power generation system of an air compression station, which is characterized in that in the voltage-stabilizing power supply process of the photovoltaic power generation system of the air compression station, temperature information, line voltage information, humidity information and line state information in a power supply line are comprehensively processed to obtain the voltage-stabilizing coefficient of the power supply line of the photovoltaic power generation system of the air compression station, so that the line working condition in the photovoltaic power generation system of the air compression station is intelligently managed, faults caused by the line in the power supply process of the photovoltaic power generation system of the air compression station are effectively prevented, and the safety of the voltage-stabilizing power supply of the photovoltaic power generation system of the air compression station is ensured.
The aim of the invention can be achieved by the following technical scheme:
the voltage-stabilizing power supply method of the photovoltaic power generation system of the air compression station comprises the following steps:
step one: acquiring a voltage stabilizing coefficient of the photovoltaic power generation system in the power supply process, and comparing the acquired voltage stabilizing coefficient with a preset voltage stabilizing threshold;
step two: when the voltage stabilizing coefficient is larger than or equal to the voltage stabilizing threshold value, maintaining the power supply line of the photovoltaic power generation system;
when the voltage stabilizing coefficient is smaller than the voltage stabilizing threshold value, acquiring initial voltage and terminal voltage in the power supply process of the photovoltaic power generation system;
step three: and the initial voltage and the terminal voltage are calibrated through the voltage calibration module, the identification of the running state of the photovoltaic power generation system or the terminal equipment is completed, the air compression station photovoltaic power generation system is maintained in a partitioning mode according to the running states of the photovoltaic power generation system and the terminal equipment, and the voltage-stabilizing power supply of the air compression station photovoltaic power generation system is realized.
As a further scheme of the invention: the voltage stabilizing coefficient in the first step is obtained based on the power supply working condition information of the photovoltaic power generation system of the air compression station;
the power supply working condition information of the air compression station photovoltaic power generation system comprises temperature information, line pressure information, humidity information and line state information in a power supply line.
As a further scheme of the invention: the temperature information is obtained by a temperature monitoring unit, the temperature monitoring unit is monitored to obtain temperature monitoring data, and the temperature monitoring data is marked as W tu ；
The line pressure information is obtained through a voltage monitoring unit, line pressure monitoring data are obtained through monitoring of the voltage monitoring unit, and the line pressure monitoring data are marked as F tj ；
The humidity information is obtained through the temperature monitoring unit, the humidity monitoring unit is used for monitoring the humidity to obtain humidity monitoring data, and the humidity monitoring data is marked as S ti ；
The line state information is the state information of the power supply circuit of the photovoltaic power generation system of the air compression station, and the line state value of the state information is Qi.
As a further scheme of the invention: by the formulaObtaining a use value Oi of a power supply circuit of a photovoltaic power generation system of the air compression station, and acquiring time t for data;
wherein,
u=1, 2, … …, u; wherein u is the number of data monitored by the temperature monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station;
i=1, 2, … …, i; i is the number of data monitored by the humidity monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station;
j=1, 2, … …, j; j is the number of data monitored by the voltage monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station;
dividing the weight duty ratio of the linear state value Qi intoDividing the weight ratio of the usage value Oi into +.>Wherein K1 is greater than K2;
by the formulaAnd obtaining a voltage stabilizing coefficient Hi of the photovoltaic power generation system of the air compression station in the power supply process.
As a further scheme of the invention: presetting a voltage stabilizing threshold Hy of a photovoltaic power generation system of the air compression station in the power supply process;
comparing a voltage stabilizing coefficient Hi of the air compression station photovoltaic power generation system in the power supply process with a voltage stabilizing threshold Hy of the air compression station photovoltaic power generation system in the power supply process;
when the voltage stabilizing coefficient Hi is more than or equal to the voltage stabilizing threshold Hy, stopping power supply of the photovoltaic power generation system of the air compression station, and overhauling a power supply circuit of the photovoltaic power generation system of the air compression station;
when the voltage stabilizing coefficient Hi is smaller than the voltage stabilizing threshold Hy, the power supply circuit of the photovoltaic power generation system of the air compression station is safely powered, a power supply pre-supply signal is generated, and the power supply pre-supply signal is transmitted to the voltage calibration module.
As a further scheme of the invention: the acquisition procedure of the state information with the linear state value Qi is as follows:
s1: the loss rate of the power supply line of the photovoltaic power generation system of the air compression station is obtained, the loss rate is the ratio of the replacement length of the power supply line of the photovoltaic power generation system of the air compression station to the total length of the power supply line of the photovoltaic power generation system of the air compression station, and the loss rate is marked as Pi;
s2, acquiring the total use time length of a power supply circuit of a photovoltaic power generation system of the air compression station, and marking the total use time length as Ti;
s3, acquiring the total maintenance times of the power supply circuit of the photovoltaic power generation system of the air compression station in the using process, and marking the total maintenance times as Wi;
s4, through a formulaObtaining a linear state value Qi of state information, wherein a1, a2 and a3 are preset proportionality coefficients.
As a further scheme of the invention: the voltage calibration module compares the initial voltage of the photovoltaic power generation system of the air compression station with an initial voltage threshold value stored in the voltage calibration module;
when the initial voltage is less than or equal to the initial voltage threshold value, overhauling the photovoltaic power generation system of the air compression station;
when the initial voltage is greater than the initial voltage threshold, the voltage calibration module processes the terminal voltage.
As a further scheme of the invention: the voltage calibration module compares the terminal voltage of the terminal equipment with a terminal voltage threshold value stored in the voltage calibration module;
when the terminal voltage is less than or equal to the terminal voltage threshold value, overhauling the terminal equipment;
and when the terminal voltage is more than the terminal voltage threshold, the air compression station photovoltaic power generation system performs voltage stabilization power supply on the terminal equipment.
As a further scheme of the invention: in the process of voltage-stabilizing power supply of the air compression station photovoltaic power generation system to the terminal equipment, an operation state function model of initial voltage and terminal voltage is established, and the operation state function model is compared with a standard state function model to obtain an abnormal value of the initial voltage or the terminal voltage of the air compression station photovoltaic power generation system in the operation state function model.
As a further scheme of the invention: and dynamically compensating the abnormal value of the initial voltage or the terminal voltage of the photovoltaic power generation system of the air compression station in the running state function model so as to achieve the voltage-stabilizing power supply of the photovoltaic power generation system of the air compression station.
The invention has the beneficial effects that:
(1) In the voltage-stabilizing power supply process of the photovoltaic power generation system of the air compression station, the temperature information, the line voltage information, the humidity information and the line state information in the power supply line are comprehensively processed to obtain the voltage-stabilizing coefficient of the power supply line of the photovoltaic power generation system of the air compression station, so that the intelligent management of the line working condition in the photovoltaic power generation system of the air compression station is realized, faults caused by the line in the power supply process of the photovoltaic power generation system of the air compression station are effectively prevented, and the safety of the voltage-stabilizing power supply of the photovoltaic power generation system of the air compression station is ensured;
(2) The method comprises the steps of calibrating the initial voltage of the photovoltaic power generation system of the air compression station and the terminal voltage of terminal equipment on the premise of safe power supply lines of the photovoltaic power generation system of the air compression station, performing auxiliary treatment on the photovoltaic power generation system of the air compression station or the terminal equipment according to the calibration result, particularly, when the voltage of the terminal equipment is too high, starting a voltage regulator configured by the terminal equipment, adjusting the voltage of the terminal equipment, when the voltage of the photovoltaic power generation system of the air compression station is too low, starting an auxiliary power supply configured by the photovoltaic power generation system of the air compression station, adjusting the voltage of the photovoltaic power generation system of the air compression station, thereby realizing the partition maintenance of the photovoltaic power generation system and the terminal equipment and realizing the voltage-stabilizing power supply of the photovoltaic power generation system of the air compression station.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a flow chart of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention relates to a voltage-stabilizing power supply method for a photovoltaic power generation system of an air compression station, which comprises the following steps:
step one: acquiring a voltage stabilizing coefficient of the photovoltaic power generation system in the power supply process, and comparing the acquired voltage stabilizing coefficient with a preset voltage stabilizing threshold;
step two: when the voltage stabilizing coefficient is larger than or equal to the voltage stabilizing threshold value, maintaining the power supply line of the photovoltaic power generation system;
when the voltage stabilizing coefficient is smaller than the voltage stabilizing threshold value, acquiring initial voltage and terminal voltage in the power supply process of the photovoltaic power generation system;
step three: and the initial voltage and the terminal voltage are calibrated through the voltage calibration module, the identification of the running state of the photovoltaic power generation system or the terminal equipment is completed, the air compression station photovoltaic power generation system is maintained in a partitioning mode according to the running states of the photovoltaic power generation system and the terminal equipment, and the voltage-stabilizing power supply of the air compression station photovoltaic power generation system is realized.
The method comprises the steps that in the first step, a voltage stabilizing coefficient is obtained based on power supply working condition information of a photovoltaic power generation system of the air compression station, wherein the power supply working condition information of the photovoltaic power generation system of the air compression station comprises temperature information, line voltage information, humidity information and line state information in a power supply line;
the temperature information is the temperature of a power supply circuit area of the photovoltaic power generation system of the air compression station, and is obtained through a temperature monitoring unit;
the line voltage information is the voltage on the power supply line of the photovoltaic power generation system of the air compression station, and is obtained through the voltage monitoring unit;
the humidity information is the humidity of a power supply circuit area of the photovoltaic power generation system of the air compression station, and is obtained through a temperature monitoring unit;
the line state information is the state information of a power supply circuit of the photovoltaic power generation system of the air compression station, and the state information is obtained through the following steps:
s1: the loss rate of the power supply line of the photovoltaic power generation system of the air compression station is obtained, the loss rate is the ratio of the replacement length of the power supply line of the photovoltaic power generation system of the air compression station to the total length of the power supply line of the photovoltaic power generation system of the air compression station, and the loss rate is marked as Pi;
s2, acquiring the total use time length of a power supply circuit of a photovoltaic power generation system of the air compression station, and marking the total use time length as Ti;
s3, acquiring the total maintenance times of the power supply circuit of the photovoltaic power generation system of the air compression station in the using process, and marking the total maintenance times as Wi;
s4, through a formulaObtaining a linear state value Qi of state information, wherein a1, a2 and a3 are preset proportion coefficients;
further:
the temperature monitoring unit is monitored to obtain temperature monitoring data, which is marked as W tu ；
The humidity monitoring unit is monitored to obtain humidity monitoring data, and the humidity monitoring data is marked as S ti ；
Monitoring voltageMonitoring to obtain line pressure monitoring data, marked as F tj ；
By the formulaObtaining a use value Oi of a power supply circuit of a photovoltaic power generation system of the air compression station, and acquiring time t for data;
wherein,
u=1, 2, … …, u; wherein u is the number of data monitored by the temperature monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station;
i=1, 2, … …, i; i is the number of data monitored by the humidity monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station;
j=1, 2, … …, j; and j is the number of data monitored by the voltage monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station.
Dividing the weight duty ratio of the linear state value Qi intoDividing the weight ratio of the usage value Oi into +.>Wherein K1 is greater than K2;
by the formulaObtaining a voltage stabilizing coefficient Hi of the photovoltaic power generation system of the air compression station in the power supply process;
presetting a voltage stabilizing threshold Hy of the photovoltaic power generation system of the air compression station in the power supply process, and comparing a voltage stabilizing coefficient Hi of the photovoltaic power generation system of the air compression station in the power supply process with the voltage stabilizing threshold Hy of the photovoltaic power generation system of the air compression station in the power supply process;
when the voltage stabilizing coefficient Hi of the air compression station photovoltaic power generation system in the power supply process is more than or equal to the voltage stabilizing threshold Hy of the air compression station photovoltaic power generation system in the power supply process, stopping power supply of the air compression station photovoltaic power generation system, and overhauling a power supply circuit of the air compression station photovoltaic power generation system;
when the voltage stabilizing coefficient Hi of the air compression station photovoltaic power generation system in the power supply process is smaller than the voltage stabilizing threshold Hy of the air compression station photovoltaic power generation system in the power supply process, the power supply circuit of the air compression station photovoltaic power generation system is safely powered, a power supply pre-supply signal is generated, and the power supply pre-supply signal is transmitted to the voltage calibration module.
The voltage calibration module compares the initial voltage of the photovoltaic power generation system of the air compression station with an initial voltage threshold value stored in the voltage calibration module;
when the initial voltage is less than or equal to the initial voltage threshold value, overhauling the photovoltaic power generation system of the air compression station;
when the initial voltage is larger than the initial voltage threshold, the voltage calibration module processes the terminal voltage;
specifically, the voltage calibration module compares the terminal voltage of the terminal device with a terminal voltage threshold stored in the voltage calibration module;
when the terminal voltage is less than or equal to the terminal voltage threshold value, overhauling the terminal equipment;
when the terminal voltage is more than the terminal voltage threshold, the air compression station photovoltaic power generation system performs voltage stabilization power supply on the terminal equipment;
in the process of stabilizing voltage and supplying power to terminal equipment by a photovoltaic power generation system of an air compression station, an operation state function model of initial voltage and terminal voltage is established, wherein the operation state function model is that the initial voltage is an abscissa, and the terminal voltage is a unitary primary function of an ordinate, and the method comprises the following steps of:
the initial voltage is marked as Xu, the terminal voltage is marked as Yu, and an operation state function model yu=K, xu-D, hi is established, wherein K is a preset proportionality coefficient, and D is a line reactance;
comparing the running state function model with the standard state function model in a coordinate system, wherein the standard state function module is yu=xu, the XU is initial standard state voltage, and the YU is terminal standard state voltage;
obtaining a correction difference Yi between initial voltage and terminal voltage in an operation state function model according to a formula-Yu-Yi=Yi, and presetting a correction threshold value of the initial voltage and the terminal voltage as YH;
when Yi is less than or equal to YH, the voltage-stabilizing power supply of the terminal equipment by the photovoltaic power generation system of the air compression station is normal;
when Yi is larger than YH, the voltage-stabilizing power supply of the photovoltaic power generation system of the air compression station to the terminal equipment is abnormal;
specific:
when Yu is larger than YU, the voltage of the terminal equipment is excessively high, a voltage regulator configured by the terminal equipment is started, and the voltage of the terminal equipment is regulated;
when Yu is less than or equal to YU, the voltage of the photovoltaic power generation system of the air compression station is too low, an auxiliary power supply configured by the photovoltaic power generation system of the air compression station is started, and the voltage of the photovoltaic power generation system of the air compression station is regulated;
through the adjustment mode, the partition maintenance of the photovoltaic power generation system and the terminal equipment is realized, and the voltage-stabilizing power supply of the photovoltaic power generation system of the air compression station is realized.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (6)
1. The voltage-stabilizing power supply method of the photovoltaic power generation system of the air compression station is characterized by comprising the following steps of:
step one: acquiring a voltage stabilizing coefficient of the photovoltaic power generation system in the power supply process, and comparing the acquired voltage stabilizing coefficient with a preset voltage stabilizing threshold;
step two: when the voltage stabilizing coefficient is larger than or equal to the voltage stabilizing threshold value, maintaining the power supply line of the photovoltaic power generation system;
when the voltage stabilizing coefficient is smaller than the voltage stabilizing threshold value, acquiring initial voltage and terminal voltage in the power supply process of the photovoltaic power generation system;
step three: the initial voltage and the terminal voltage are calibrated through a voltage calibration module, the identification of the running state of the photovoltaic power generation system or the terminal equipment is completed, the partition maintenance is carried out on the photovoltaic power generation system of the air compression station according to the running states of the photovoltaic power generation system and the terminal equipment, and the voltage-stabilizing power supply of the photovoltaic power generation system of the air compression station is realized;
the voltage stabilizing coefficient in the first step is obtained based on the power supply working condition information of the photovoltaic power generation system of the air compression station;
the power supply working condition information of the air compression station photovoltaic power generation system comprises temperature information, line pressure information, humidity information and line state information in a power supply line;
the temperature information is obtained by a temperature monitoring unit, the temperature monitoring unit monitors and obtains temperature monitoring data, and the temperature monitoring data is marked as W tu ；
The line pressure information is obtained through a voltage monitoring unit, the voltage monitoring unit monitors and obtains line pressure monitoring data, and the line pressure monitoring data is marked as F tj ；
Humidity information is obtained through a humidity monitoring unit, humidity monitoring data are obtained through monitoring of the humidity monitoring unit, and the humidity information is marked as S ti ；
The line state information is the state information of a power supply circuit of the photovoltaic power generation system of the air compression station, and the line state value of the state information is Qi;
by the formulaObtaining a use value Oi of a power supply circuit of a photovoltaic power generation system of the air compression station, and acquiring time t for data;
wherein,
u=1, 2, … …, u; wherein u is the number of data monitored by the temperature monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station;
i=1, 2, … …, i; i is the number of data monitored by the humidity monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station;
j=1, 2, … …, j; j is the number of data monitored by the voltage monitoring unit on the power supply line of the photovoltaic power generation system of the air compression station;
dividing the weight duty ratio of the linear state value Qi intoDividing the weight ratio of the usage value Oi into +.>Wherein K1 is greater than K2;
by the formulaObtaining a voltage stabilizing coefficient Hi of the photovoltaic power generation system of the air compression station in the power supply process;
the acquisition procedure of the state information with the linear state value Qi is as follows:
s1: the loss rate of the power supply line of the photovoltaic power generation system of the air compression station is obtained, the loss rate is the ratio of the replacement length of the power supply line of the photovoltaic power generation system of the air compression station to the total length of the power supply line of the photovoltaic power generation system of the air compression station, and the loss rate is marked as Pi;
s2, acquiring the total use time length of a power supply circuit of a photovoltaic power generation system of the air compression station, and marking the total use time length as Ti;
s3, acquiring the total maintenance times of the power supply circuit of the photovoltaic power generation system of the air compression station in the using process, and marking the total maintenance times as Wi;
s4, through a formulaObtaining a linear state value Q i of the state information, wherein a1, a2 and a3 are preset proportionality coefficients.
2. The voltage-stabilizing power supply method of the photovoltaic power generation system of the air compression station according to claim 1, wherein a voltage-stabilizing threshold value Hy of the photovoltaic power generation system of the air compression station in the power supply process is preset;
comparing a voltage stabilizing coefficient Hi of the air compression station photovoltaic power generation system in the power supply process with a voltage stabilizing threshold Hy of the air compression station photovoltaic power generation system in the power supply process;
when the voltage stabilizing coefficient H i is more than or equal to the voltage stabilizing threshold Hy, stopping power supply of the photovoltaic power generation system of the air compression station, and overhauling a power supply circuit of the photovoltaic power generation system of the air compression station;
when the voltage stabilizing coefficient H i is smaller than the voltage stabilizing threshold Hy, the power supply line of the photovoltaic power generation system of the air compression station is safe in power supply, a power supply pre-supply signal is generated, and the power supply pre-supply signal is transmitted to the voltage calibration module.
3. The method for voltage-stabilized power supply of a photovoltaic power generation system of an air compression station according to claim 1, wherein the voltage calibration module compares an initial voltage of the photovoltaic power generation system of the air compression station with an initial voltage threshold stored in the voltage calibration module;
when the initial voltage is less than or equal to the initial voltage threshold value, overhauling the photovoltaic power generation system of the air compression station;
when the initial voltage is greater than the initial voltage threshold, the voltage calibration module processes the terminal voltage.
4. The method for voltage-stabilized power supply of a photovoltaic power generation system of an air compression station according to claim 1, wherein the voltage calibration module compares the terminal voltage of the terminal device with a terminal voltage threshold stored in the voltage calibration module;
when the terminal voltage is less than or equal to the terminal voltage threshold value, overhauling the terminal equipment;
and when the terminal voltage is more than the terminal voltage threshold, the air compression station photovoltaic power generation system performs voltage stabilization power supply on the terminal equipment.
5. The voltage-stabilizing power supply method for the photovoltaic power generation system of the air-compressing station according to claim 4, wherein in the process of voltage-stabilizing power supply of the photovoltaic power generation system of the air-compressing station to the terminal equipment, an operation state function model of initial voltage and terminal voltage is established, and the operation state function model is compared with a standard state function model to obtain abnormal values of the initial voltage or the terminal voltage of the photovoltaic power generation system of the air-compressing station in the operation state function model.
6. The method for voltage-stabilized power supply of a photovoltaic power generation system of a pneumatic station as claimed in claim 5, wherein the initial voltage or the abnormal value of the terminal voltage of the photovoltaic power generation system of the pneumatic station in the running state function model is dynamically compensated to achieve voltage-stabilized power supply of the photovoltaic power generation system of the pneumatic station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211385889.0A CN116526569B (en) | 2022-11-07 | 2022-11-07 | Voltage-stabilizing power supply method for photovoltaic power generation system of air compression station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211385889.0A CN116526569B (en) | 2022-11-07 | 2022-11-07 | Voltage-stabilizing power supply method for photovoltaic power generation system of air compression station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116526569A CN116526569A (en) | 2023-08-01 |
| CN116526569B true CN116526569B (en) | 2023-11-14 |
Family
ID=87403511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211385889.0A Active CN116526569B (en) | 2022-11-07 | 2022-11-07 | Voltage-stabilizing power supply method for photovoltaic power generation system of air compression station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116526569B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112685849A (en) * | 2019-02-12 | 2021-04-20 | 杭州哲达科技股份有限公司 | Method for analyzing relative energy efficiency of compressed air system in form of single machine or air compression station |
| CN112737503A (en) * | 2020-12-31 | 2021-04-30 | 浙江锐博科技工程有限公司 | Photovoltaic power station monitoring system and method and storage medium |
| CN113687138A (en) * | 2021-09-03 | 2021-11-23 | 广东鑫钻节能科技股份有限公司 | Energy efficiency online monitoring system for air compression station |
-
2022
- 2022-11-07 CN CN202211385889.0A patent/CN116526569B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112685849A (en) * | 2019-02-12 | 2021-04-20 | 杭州哲达科技股份有限公司 | Method for analyzing relative energy efficiency of compressed air system in form of single machine or air compression station |
| CN112737503A (en) * | 2020-12-31 | 2021-04-30 | 浙江锐博科技工程有限公司 | Photovoltaic power station monitoring system and method and storage medium |
| CN113687138A (en) * | 2021-09-03 | 2021-11-23 | 广东鑫钻节能科技股份有限公司 | Energy efficiency online monitoring system for air compression station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116526569A (en) | 2023-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3890153B1 (en) | Power supply method and power source | |
| CN102195105B (en) | Method and apparatus for controlling accumulator charging | |
| CN116526569B (en) | Voltage-stabilizing power supply method for photovoltaic power generation system of air compression station | |
| CN108859767B (en) | Control method of hybrid electric vehicle DCDC | |
| DK2705175T3 (en) | Energy management system, industrial plants with an energy management system and method of operation of an energy management system | |
| CN113453088B (en) | Emergency combined backup power supply integrated equipment for communication base station | |
| CN114301182A (en) | Intelligent power supply management system | |
| CN115011999B (en) | High-precision active pressure control method for alkaline water electrolysis tank | |
| CN116069077A (en) | Operating pressure adjusting method and system for medical gas equipment | |
| CN207134330U (en) | A kind of the thick of dry etching equipment takes out pipeline configuration | |
| CN109347178A (en) | The output adjusting system and method for low-tension supply | |
| CN116317154A (en) | Intelligent monitoring equipment for 5G communication power supply | |
| CN109038618A (en) | A kind of method of compressed-air energy-storage system responsive electricity grid frequency modulation | |
| CN111681876B (en) | Ultrahigh voltage aluminum electrolytic capacitor and manufacturing method thereof | |
| CN202394131U (en) | Pressure stabilizer of positive pressure control system | |
| CN108054777B (en) | Wind power hydrogen production control strategy generation method and device, storage medium and computing equipment | |
| CN207339662U (en) | One kind is used for highway power supply and distribution source power cabinet | |
| CN210659910U (en) | Anti-runaway control device of air screw | |
| US20050084724A1 (en) | Regenerative compressor motor control for a fuel cell power system | |
| KR101879646B1 (en) | System for fuel cell | |
| CN106385061B (en) | Low-voltage linear charging method and adapter | |
| CN106704161A (en) | Air compressor sleep control method | |
| CN211744025U (en) | Accurate switching power supply over-temperature protection circuit | |
| CN220401607U (en) | Overvoltage and undervoltage protection circuit | |
| CN110454371B (en) | Method for dynamically matching lower pressure limiting during joint control of air compression station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |