CN109188339B - Control method and device for circulation module of off-vehicle charger detection device - Google Patents
Control method and device for circulation module of off-vehicle charger detection device Download PDFInfo
- Publication number
- CN109188339B CN109188339B CN201811059647.6A CN201811059647A CN109188339B CN 109188339 B CN109188339 B CN 109188339B CN 201811059647 A CN201811059647 A CN 201811059647A CN 109188339 B CN109188339 B CN 109188339B
- Authority
- CN
- China
- Prior art keywords
- detection
- charging pile
- charging
- power
- control center
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012795 verification Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 description 16
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a control method and a control device for a circulation module of an off-board charger detection device, which comprises a direct current charging pile, a detection control center unit and a circulation load unit, wherein charging channels are arranged at two sides of the detection control center unit, the direct current charging pile and the charging channels are connected through a charging gun access port, so that electric energy originally dissipated in an analog load resistor and an electronic load can return to related equipment again through a circulation verification device, finally, the energy loss caused by detection is greatly reduced, the simulation of the actual charging process of an electric automobile can be realized in the circulation and isolation of the electric energy between the charging pile and the device, and the working error of the off-board charger is detected.
Description
Technical Field
The invention relates to the technical field of charger detection, in particular to a method and a device for controlling a circulation module of an off-vehicle charger detection device.
Background
Under the policy encourages the background, quantity of charging piles to be increased rapidly, because of the fair problem of electric energy trade settlement, the company and metering industry are urgently required to improve verification and verification capability of electric energy metering of the charging piles, the national network company formally transmits the requirements of a metering center on 6 months 13 days to carry out indoor first detection on electric energy metering of the charging piles in provinces, and the experimental capability construction of the charging piles is enhanced, the charging piles mainly divide alternating current charging and direct current charging, wherein alternating current charging metering is carried out along with alternating current electric energy metering, the alternating current charging is mature, direct current charging is in a primary stage of popularization and application, new capability requirements are provided for the company and metering industry, direct current charging capacity is larger, if loads in the direct current charging pile electric energy metering and verification device adopt a pure resistance or electronic load form and a circulation detection mode, periodic verification of each year of the direct current charging piles brings about larger energy dissipation, and therefore, the circulation detection mode in several load forms brings great benefits.
The existing circulating current module control method and device for the off-vehicle charger detection device have the following defects: because the detection process involves a plurality of different detection ranges, the loss of the wide-range detection device is larger when the detection is carried out in a non-rated range; in different power ranges, the working efficiency is lower, and the use effect is poor.
How to design a control method and a control device for a circulation module of an off-board charger detection device so as to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a method and a device for controlling a circulation module of an off-vehicle charger detection device, which are used for solving the problems in the background technology.
In order to achieve the above object, an aspect of the present invention provides a method for controlling a loop module of an off-board charger detection device, including the steps of:
step 1: wiring: the detection power range is preliminarily judged, and when the detection power is smaller than the feedback range, a detection control center unit and a circulating load unit are connected to the outlet of the charging pile; when the detected power is larger than the feedback range, a detection control center unit, a circulating load unit and a resistor load (or other load units are connected in parallel) are connected to the electric interface of the charging pile;
step 2: starting the test;
step 3: registering related information such as a charging pile nameplate and the like on an input interface;
step 4: detecting environmental conditions by using temperature, humidity and atmospheric pressure sensors arranged on the detection device, and judging (protecting the temperature, the humidity and the atmospheric pressure); when the environmental conditions are judged to meet the set requirements, continuing to detect the work;
step 5: inserting a gun of the calibrator and detecting the insulation performance from the gun head of the charging pile to the switch part;
step 6: the charging pile is started by swiping a card, a loop module load unit is started, and after the loop unit enters a stable state, a detection control center sets a target working condition or a self-defined power working condition as the optimized input quantity, and the power requirement of the working condition is assumed to be P;
step 7: if the circulation module for the current circulation detection is the first use, increase, decrease or replacement condition, the step 8 is entered; if not, go to step 13;
step 8: and testing the corresponding curve of the power and the module efficiency of the loop module which is used, increased, decreased or replaced for the first time. Inputting the test data array into a detection control center;
step 9: the detection control center carries out polynomial fitting on the ith test data to obtain a power efficiency curve of each new module, such as y=fi (pi);
step 10: the overall loss equation can be obtained using the power efficiency curve as:
step 11: the equality constraints of the present loop device can be abstracted as follows:
or written in a matrix form as follows:
defining the left square matrix as Aeq and the column vector as P;
the above can be abbreviated as:
A eq ·P＝P o
the inequality constraint is as follows:
for convenience of the subsequent description, the following format may be normalized:
expressing the set of inequalities in matrix format is:
the simplified expression is:
A·P≤0
step 12: searching a vector P which enables Ploss to take the minimum value under the condition of the equality constraint and the inequality constraint by using a stepwise iterative method (PSO);
step 13: the power distribution values of the plurality of modules obtained by the stepwise iterative method will minimize the power loss obtained by the overall loop device;
the stepwise iterative method steps start with step 14:
step 14: generating an initial position point meeting constraint conditions, such as 20-quantity scale position points, through a random function; generating a velocity to each of the initialized location points by a random function;
step 15: calculating fitness function of current positionAs a criterion for judging good or bad;
step 16: recording the fitness function value in the current calculation of the particle, comparing the fitness function value with the historical optimal fitness function value of the particle, and transmitting the position information to the individual optimal position if the optimal value in the previous calculation of the particle is obtained in the current calculation;
step 17: updating the group optimal, namely comparing the updated individual optimal with the current group optimal, and if the group optimal is lower than the updated individual optimal, replacing the group optimal value with the current individual optimal;
step 18: updating particle swarm velocity information;
step 19: updating the position;
step 20: returning to the step 16 until the iteration times are over;
step 21: the main circuit system formed by the loop current load unit and the charging pile is controlled and adjusted to work according to the specified working condition or the custom working condition of the metering verification rule, and the working error detection and the charging amount error detection are completely carried out;
step 22: the detection control center controls and adjusts a main circuit system formed by the load units and the charging piles to realize the consistency detection capability of the charging piles according to the specification of the consistency standard of communication;
step 23: the detection control center controls and adjusts a main circuit system formed by the load unit and the charging pile to detect according to the interoperability requirement of the non-vehicle-mounted charger;
step 24: the detecting unit sends a charging machine stopping instruction to the charging machine, generates a report and sends a stopping requirement to the load unit;
step 25: storing a report;
step 26: and (5) ending the test.
In order to achieve the above object, another aspect of the embodiments of the present invention further provides an off-vehicle charger circulation detection device, which includes a direct current charging pile, a detection control center unit, and a circulation load unit, wherein charging channels are respectively provided at both sides of the detection control center unit, the direct current charging pile is connected with the charging channels through a charging gun access port, the circulation load unit is connected with the charging channels through a charging gun access port, an auxiliary power supply is installed at one side of the charging channels, a power management module is installed at one side of the auxiliary power supply, a battery is installed at one side of the power management module, the auxiliary power supply and the battery are electrically connected with the power management module, a front end plate is installed at one side of the charging channels, the front end plate is connected with the charging channels in series, a sampling plate is installed at one side of the front end plate, an industrial personal computer is installed at one side of the sampling plate, a BMS simulator is installed at one side of the industrial personal computer is connected with the sampling plate signal, the BMS simulator is connected with the industrial personal computer, and the PWM rectifier is connected in series with the PWM rectifier modules.
Preferably, the charging channel is a high current channel plate.
Preferably, the power management module mainly supplies working power for the digital circuit and the analog circuit of the detection control center unit.
Preferably, the front end plate converts the external voltage signal into a voltage signal suitable for AD sampling and provides it to the sampling plate.
Preferably, the sampling board converts the voltage signal provided by the front end board into a digital signal and provides the digital signal to the industrial personal computer.
Preferably, the BMS simulator is used for interacting with and controlling the direct current charging pile according to national standard and other documents as a main design basis.
Preferably, the loop load unit is mainly used for realizing that high-power electric energy during detection is fed back to the power grid by the unit, and power information and the like of the loop load unit are controlled by the industrial personal computer.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention obtains the power distribution values of a plurality of modules by using a gradual iteration method, can minimize the power loss obtained by the whole circulation device, and can return the electric energy originally dissipated in the analog load resistor and the electronic load to related equipment through the circulation verification device, thereby finally greatly reducing the energy loss caused by detection.
(2) When the detected power range exceeds the circulating power range, the invention can carry out large-range detection work by connecting the resistive load in parallel, and can also carry out range expansion by connecting other circulating power loads in parallel. The simulation of the actual charging process of the electric automobile can be realized in the circulation and isolation of the charging pile and the device, and the working error of the non-vehicle-mounted charger is detected.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention.
Illustration of: 1-a direct current charging pile; 2-detecting a control center unit; a 3-loop load unit; 4-charging gun access; 5-an auxiliary power supply; 6-a charging channel; 7-a power management module; 8-battery; 9-connecting a charging gun with an outlet; 10-a front end plate; 11-BMS simulators; 12-an industrial personal computer; 13-sampling plate; 14-PWM rectifier module.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Referring to fig. 1, an aspect of the embodiment of the present invention provides a method for controlling a loop module of an off-vehicle charger detection device, including the following steps:
step 1: wiring: the detection power range is preliminarily judged, and when the detection power is smaller than the feedback range, a detection control center unit and a circulating load unit are connected to the outlet of the charging pile; when the detected power is larger than the feedback range, a detection control center unit, a circulating load unit and a resistor load (or other load units are connected in parallel) are connected to the electric interface of the charging pile;
step 2: starting the test;
step 3: registering related information such as a charging pile nameplate and the like on an input interface;
step 4: detecting environmental conditions by using temperature, humidity and atmospheric pressure sensors arranged on the detection device, and judging (protecting the temperature, the humidity and the atmospheric pressure); when the environmental conditions are judged to meet the set requirements, continuing to detect the work;
step 5: inserting a gun of the calibrator and detecting the insulation performance from the gun head of the charging pile to the switch part;
step 6: the charging pile is started by swiping a card, a loop module load unit is started, and after the loop unit enters a stable state, a detection control center sets a target working condition or a self-defined power working condition as the optimized input quantity, and the power requirement of the working condition is assumed to be P;
step 7: if the circulation module for the current circulation detection is the first use, increase, decrease or replacement condition, the step 8 is entered; if not, go to step 13;
step 8: and testing the corresponding curve of the power and the module efficiency of the loop module which is used, increased, decreased or replaced for the first time. Inputting the test data array into a detection control center;
step 9: the detection control center carries out polynomial fitting on the ith test data to obtain a power efficiency curve of each new module, such as y=fi (pi);
step 10: the overall loss equation can be obtained using the power efficiency curve as:
step 11: the equality constraints of the present loop device can be abstracted as follows:
or written in a matrix form as follows:
defining the left square matrix as Aeq and the column vector as P;
the above can be abbreviated as:
A eq ·P＝P o
the inequality constraint is as follows:
for convenience of the subsequent description, the following format may be normalized:
expressing the set of inequalities in matrix format is:
the simplified expression is:
A·P≤0
step 12: searching a vector P which enables Ploss to take the minimum value under the condition of the equality constraint and the inequality constraint by using a stepwise iterative method (PSO);
step 13: the power distribution values of the plurality of modules obtained by the stepwise iterative method will minimize the power loss obtained by the overall loop device;
the stepwise iterative method steps start with step 14:
step 14: generating an initial position point meeting constraint conditions, such as 20-quantity scale position points, through a random function; generating a velocity to each of the initialized location points by a random function;
step 15: calculating fitness function of current positionAs a criterion for judging good or bad;
step 16: recording the fitness function value in the current calculation of the particle, comparing the fitness function value with the historical optimal fitness function value of the particle, and transmitting the position information to the individual optimal position if the optimal value in the previous calculation of the particle is obtained in the current calculation;
step 17: updating the group optimal, namely comparing the updated individual optimal with the current group optimal, and if the group optimal is lower than the updated individual optimal, replacing the group optimal value with the current individual optimal;
step 18: updating particle swarm velocity information;
step 19: updating the position;
step 20: returning to the step 16 until the iteration times are over;
step 21: the main circuit system formed by the loop current load unit and the charging pile is controlled and adjusted to work according to the specified working condition or the custom working condition of the metering verification rule, and the working error detection and the charging amount error detection are completely carried out;
step 22: the detection control center controls and adjusts a main circuit system formed by the load units and the charging piles to realize the consistency detection capability of the charging piles according to the specification of the consistency standard of communication;
step 23: the detection control center controls and adjusts a main circuit system formed by the load unit and the charging pile to detect according to the interoperability requirement of the non-vehicle-mounted charger;
step 24: the detecting unit sends a charging machine stopping instruction to the charging machine, generates a report and sends a stopping requirement to the load unit;
step 25: storing a report;
step 26: and (5) ending the test.
In order to achieve the above object, another aspect of the embodiments of the present invention further provides an off-vehicle charger circulation detection device, including a direct current charging pile 1, a detection control center unit 2 and a circulation load unit 3, wherein charging channels 6 are respectively provided at both sides of the detection control center unit 2, the direct current charging pile 1 and the charging channels 6 are connected through a charging gun access port 4, the circulation load unit 3 and the charging channels 6 are connected through a charging gun access port 9, an auxiliary power supply 5 is installed at one side of the charging channels 6, a power management module 7 is installed at one side of the auxiliary power supply 5, a battery 8 is installed at one side of the power management module 7, both the auxiliary power supply 5 and the battery 8 are electrically connected with the power management module 7, a front end plate 10 is installed at one side of the charging channels 6, and the front end plate 10 is connected in series with the charging channels 6, a sampling plate 13 is installed at one side of the front end plate 10, an industrial personal computer 12 is installed at one side of the sampling plate 13, and the industrial personal computer 12 is connected with the sampling plate 13 in a signal, a BMS simulator 11 is installed at one side of the industrial personal computer 12, and the BMS simulator 11 is connected with the industrial personal computer 12, the auxiliary power supply 5 and the battery 8 are electrically connected with the PWM (PWM) in parallel to the power supply module 11 through the PWM (PWM) and the PWM (PWM) module 1) and the PWM (PWM) is not connected with the power supply module) in parallel to the power supply module 11.
The charging channel 6 is a large current channel board, the power management module 7 mainly supplies working power for the digital circuit and the analog circuit of the detection control center unit 2, since the detection control center unit 2 is divided into two parts of the analog circuit power supply and the digital circuit power supply, in order to prevent the mutual interference of the digital circuit and the analog circuit, a single-point grounding and other ground wire isolation mode is adopted to make the digital module and the analog module work in a relatively stable power supply environment respectively, the front end board 10 converts an external voltage signal into a voltage signal suitable for AD sampling and provides the voltage signal to the sampling board 13, the sampling board 13 converts the voltage signal provided by the front end board 10 into a digital signal and provides the digital signal to the industrial personal computer 12, and the BMS simulator 11 performs the following steps of the electric automobile conduction charging system 1: the general requirements and the GB/T27930-2015 'communication protocol between the non-vehicle-mounted conductive charger of the electric automobile and the battery management system' are used as main design basis for interactive communication and control with the direct-current charging pile 1, the circulating load unit 3 is mainly used for realizing high-power electric energy feedback to a power grid during detection by the unit, and power information and the like of the high-power electric energy are controlled by the industrial personal computer 12.
Working principle: when the direct current charging pile 1 works, the charging gun access port 4 and the charging channel 6 are connected to supply power to the battery 8, in the charging process of the battery 8, the auxiliary power supply 5 can supply power to the detection control center unit 2, can supply power to the BMS simulator 11, the BMS simulator 11 monitors the state of the battery 8 in real time, the power management module 7 effectively distributes electric energy to different components of the device, the front end plate 10 converts an external voltage signal into a voltage signal suitable for AD sampling and supplies the voltage signal to the sampling plate 13, the sampling plate 13 converts the voltage signal provided by the front end plate 10 into a digital signal and supplies the digital signal to the industrial personal computer 12, then the industrial personal computer 12 controls the power of the circulating current load unit 3, the circulating current load unit 3 feeds back the detected high-power electric energy to the power grid, when the detected power range exceeds the circulating current range, the circulating current range can carry out large-range detection work through parallel resistive loads, and can also be connected with other circulating current power loads to carry out range expansion.
The foregoing description of the preferred embodiments of the present invention has been presented only in terms of those specific and detailed descriptions, and is not, therefore, to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (1)
1. The loop module control method of the non-vehicle-mounted charger loop detection device is characterized by comprising a direct-current charging pile, a detection control center unit and a loop load unit, and comprises the following steps:
step 1: wiring: the detection power range is preliminarily judged, and when the detection power is smaller than the feedback range, a detection control center unit and a circulating load unit are connected to the outlet of the charging pile; when the detected power is larger than the feedback range, a detection control center unit, a circulating load unit and a resistor load are connected to the electric interface of the charging pile;
step 2: starting the test;
step 3: registering charging pile nameplate related information on an input interface;
step 4: detecting environmental conditions by using a temperature sensor, a humidity sensor and an atmospheric pressure sensor arranged on the detection device; when the environmental conditions are judged to meet the set requirements, continuing to detect the work;
step 5: inserting a gun of the calibrator and detecting the insulation performance from the gun head of the charging pile to the switch part;
step 6: the card swiping starts the charging pile, the loop current load unit is started, after the loop current load unit enters a stable state, the detection control center sets a target working condition or a self-defined power working condition as the optimized input quantity, and the power requirement of the working condition is assumed to be P;
step 7: if the current loop current load unit is used, increased, decreased or replaced for the first time, the step 8 is entered; if not, go to step 13;
step 8: testing a corresponding curve of the power and the unit efficiency of the loop load unit which is used, increased, decreased or replaced for the first time, and inputting a test data array into a detection control center;
step 9: the detection control center carries out polynomial fitting on the ith test data to obtain a power efficiency curve y=fi (pi) of each new module;
step 10: the overall loss equation can be obtained using the power efficiency curve as:
step 11: the equation constraint condition of the circulation device is abstracted as follows:
or written in a matrix form as follows:
defining the left square matrix as Aeq and the column vector as P;
the above abbreviations are:
A eq ·P＝P o
the inequality constraint is as follows:
to facilitate the specification of the subsequent presentation into the following format:
expressing the set of inequalities in matrix format is:
the simplified expression is:
A·P≤0
step 12: searching a vector P which enables Ploss to obtain the minimum value under the condition of the equality constraint and the inequality constraint by using a stepwise iteration method, wherein the stepwise iteration method is PSO;
step 13: the power distribution values of the plurality of modules obtained by the stepwise iterative method will minimize the power loss obtained by the overall loop device;
the stepwise iterative method steps start with step 14:
step 14: generating an initial position point conforming to a constraint condition through a random function; generating a velocity to each of the initialized location points by a random function;
step 15: calculating fitness function of current positionAs a criterion for judging good or bad;
step 16: recording the fitness function value in the current calculation of the particle, comparing the fitness function value with the historical optimal fitness function value of the particle, and transmitting the position information to the individual optimal position if the optimal value in the previous calculation of the particle is obtained in the current calculation;
step 17: updating the group optimal, namely comparing the updated individual optimal with the current group optimal, and if the group optimal is lower than the updated individual optimal, replacing the group optimal value with the current individual optimal;
step 18: updating particle swarm velocity information;
step 19: updating the position;
step 20: returning to the step 16 until the iteration times are over;
step 21: the main circuit system formed by the loop current load unit and the charging pile is controlled and adjusted to work according to the specified working condition or the custom working condition of the metering verification rule, and the working error detection and the charging amount error detection are completely carried out;
step 22: the detection control center controls and adjusts a main circuit system formed by the loop load unit and the resistor load and the charging pile to realize the consistency detection capability of the charging pile according to the communication consistency standard;
step 23: the detection control center controls and adjusts a main circuit system formed by the loop current load unit and the resistor load and the charging pile to detect and realize according to the interoperability requirement of the non-vehicle-mounted charger;
step 24: the detection control center sends a charging machine stopping instruction to the charging machine, generates a report, and sends a stopping requirement to the circulating load unit and the resistor load;
step 25: storing a report;
step 26: and (5) ending the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059647.6A CN109188339B (en) | 2018-09-11 | 2018-09-11 | Control method and device for circulation module of off-vehicle charger detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059647.6A CN109188339B (en) | 2018-09-11 | 2018-09-11 | Control method and device for circulation module of off-vehicle charger detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109188339A CN109188339A (en) | 2019-01-11 |
| CN109188339B true CN109188339B (en) | 2023-12-05 |
Family
ID=64910166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811059647.6A Active CN109188339B (en) | 2018-09-11 | 2018-09-11 | Control method and device for circulation module of off-vehicle charger detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109188339B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501597A (en) * | 2019-09-03 | 2019-11-26 | 广州小鹏汽车科技有限公司 | Electric car and the detection circuit for BMS, method and system |
| CN110738432B (en) * | 2019-10-29 | 2020-07-17 | 深圳市昇伟电子科技有限公司 | New energy automobile charging management method and device, server and readable storage medium |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203275553U (en) * | 2013-06-03 | 2013-11-06 | 国家电网公司 | Feedback type charger detection platform |
| CN103840521A (en) * | 2014-02-27 | 2014-06-04 | 武汉大学 | Large-scale electric vehicle optimized charging and discharging system and method based on the optimal power flow |
| CN104198856A (en) * | 2014-09-02 | 2014-12-10 | 国家电网公司 | Off-board charger test method and device |
| JP2015136264A (en) * | 2014-01-20 | 2015-07-27 | 日立Ｇｅニュークリア・エナジー株式会社 | DC power supply circuit |
| CN105322584A (en) * | 2014-07-17 | 2016-02-10 | 国家电网公司 | Outdoor electromobile charging pile coordinated synchronizing device and method |
| CN105606937A (en) * | 2016-02-25 | 2016-05-25 | 北京群菱能源科技有限公司 | DC charging pile calibration device |
| CN105842558A (en) * | 2016-03-21 | 2016-08-10 | 安徽工程大学 | Device for testing charging pile performance |
| RU2608387C1 (en) * | 2016-04-13 | 2017-01-18 | Публичное акционерное общество "МРСК Центра" | Electric vehicles charging system controlling and monitoring system and method |
| CN107064701A (en) * | 2017-06-12 | 2017-08-18 | 青岛特来电新能源有限公司 | Charging pile experimental provision and system |
| CN107422219A (en) * | 2017-09-27 | 2017-12-01 | 上海欣遇电源科技有限公司 | Detecting system is tested in a kind of novel energy feedback type electric vehicle rapid charging stake |
| CN107677905A (en) * | 2017-09-23 | 2018-02-09 | 国网江西省电力公司电力科学研究院 | A kind of off-board charging machine detecting device of electric automobile |
| CN207675857U (en) * | 2018-01-12 | 2018-07-31 | 深圳无疆新能科技有限公司 | A kind of low consumed power energy saving charging pile automatic checkout equipment |
| CN209028196U (en) * | 2018-09-11 | 2019-06-25 | 国网江西省电力有限公司电力科学研究院 | A kind of non-on-board charger circulation detection device |
-
2018
- 2018-09-11 CN CN201811059647.6A patent/CN109188339B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203275553U (en) * | 2013-06-03 | 2013-11-06 | 国家电网公司 | Feedback type charger detection platform |
| JP2015136264A (en) * | 2014-01-20 | 2015-07-27 | 日立Ｇｅニュークリア・エナジー株式会社 | DC power supply circuit |
| CN103840521A (en) * | 2014-02-27 | 2014-06-04 | 武汉大学 | Large-scale electric vehicle optimized charging and discharging system and method based on the optimal power flow |
| CN105322584A (en) * | 2014-07-17 | 2016-02-10 | 国家电网公司 | Outdoor electromobile charging pile coordinated synchronizing device and method |
| CN104198856A (en) * | 2014-09-02 | 2014-12-10 | 国家电网公司 | Off-board charger test method and device |
| CN105606937A (en) * | 2016-02-25 | 2016-05-25 | 北京群菱能源科技有限公司 | DC charging pile calibration device |
| CN105842558A (en) * | 2016-03-21 | 2016-08-10 | 安徽工程大学 | Device for testing charging pile performance |
| RU2608387C1 (en) * | 2016-04-13 | 2017-01-18 | Публичное акционерное общество "МРСК Центра" | Electric vehicles charging system controlling and monitoring system and method |
| CN107064701A (en) * | 2017-06-12 | 2017-08-18 | 青岛特来电新能源有限公司 | Charging pile experimental provision and system |
| CN107677905A (en) * | 2017-09-23 | 2018-02-09 | 国网江西省电力公司电力科学研究院 | A kind of off-board charging machine detecting device of electric automobile |
| CN107422219A (en) * | 2017-09-27 | 2017-12-01 | 上海欣遇电源科技有限公司 | Detecting system is tested in a kind of novel energy feedback type electric vehicle rapid charging stake |
| CN207675857U (en) * | 2018-01-12 | 2018-07-31 | 深圳无疆新能科技有限公司 | A kind of low consumed power energy saving charging pile automatic checkout equipment |
| CN209028196U (en) * | 2018-09-11 | 2019-06-25 | 国网江西省电力有限公司电力科学研究院 | A kind of non-on-board charger circulation detection device |
Non-Patent Citations (2)
| Title |
|---|
| 充电机检测平台及其集成设计;刘亚丽;李国栋;滕文;胡波;车延博;;电气传动(01);73-76 * |
| 直流充电桩检测车研制;陈枫;吕建;俞哲人;刘志凯;吴芳芳;王蔚;汤国龙;;自动化与仪器仪表(02);136-139+143 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109188339A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109188339B (en) | Control method and device for circulation module of off-vehicle charger detection device | |
| Dorostkar‐Ghamsari et al. | Optimal distributed static series compensator placement for enhancing power system loadability and reliability | |
| CN104599850A (en) | Charging method and device | |
| CN103455070B (en) | Power source voltage-equalizing and current-equalizing device and power source voltage-equalizing and current-equalizing method | |
| CN103927693A (en) | Distribution network line loss management system | |
| CN103887790A (en) | Cooperative power flow control method and system for power transmission network and power distribution network | |
| CN107415725A (en) | Battery check device | |
| Bi et al. | Alleviation of post‐contingency overloads by SOCP based corrective control considering TCSC and MTDC | |
| Zhang et al. | Model-based fault detection of hybrid fuel cell and photovoltaic direct current power sources | |
| Fu et al. | Exponential integration algorithm for large-scale wind farm simulation with Krylov subspace acceleration | |
| Adewuyi et al. | Comparative analysis of a new VSC‐optimal power flow formulation for power system security planning | |
| CN114039353A (en) | Unified acquisition method and device for power flow of hybrid power distribution network considering current conversion device | |
| CN103269097A (en) | High-capacity battery electric quantity control circuit | |
| Fang et al. | Optimal generation rescheduling with sensitivity-based transient stability constraints | |
| CN107634583A (en) | A kind of energy storage control module | |
| CN109782741B (en) | On-line measuring method for heat consumption of satellite power supply controller | |
| Shu et al. | An energy harvesting reactor for high voltage overhead insulated shield wires considering randomness of meteorological conditions | |
| Zhu et al. | Research on integrated model and interactive influence of energy internet cyber physical system | |
| CN108647427B (en) | Simulation method based on no-load impact of RTDS main transformer | |
| Bijwe et al. | An efficient continuation power flow method for voltage stability analysis | |
| CN109541352B (en) | Bus parallel load scheduling method and device for off-vehicle charger detection device | |
| CN112557915A (en) | Electric quantity detection circuit, electric quantity detection method and electronic equipment | |
| Milano et al. | General sensitivity formulas for maximum loading conditions in power systems | |
| CN104820152A (en) | Portable DC switch differential simulation test system and realization method thereof | |
| CN110466382A (en) | A kind of AC charging method and device with Voltage Drop defencive function |
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 |