CN114256848A - Control method for realizing dynamic balance charging of household load - Google Patents

Control method for realizing dynamic balance charging of household load Download PDF

Info

Publication number
CN114256848A
CN114256848A CN202111597030.1A CN202111597030A CN114256848A CN 114256848 A CN114256848 A CN 114256848A CN 202111597030 A CN202111597030 A CN 202111597030A CN 114256848 A CN114256848 A CN 114256848A
Authority
CN
China
Prior art keywords
current value
charging
value
charging pile
pwm
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.)
Pending
Application number
CN202111597030.1A
Other languages
Chinese (zh)
Inventor
李晓鹏
李斌
谢天泽
杨继超
卢飞
施小航
江磊
李智辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Thaisen Electric Technology Co ltd
Original Assignee
Shanghai Thaisen Electric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Thaisen Electric Technology Co ltd filed Critical Shanghai Thaisen Electric Technology Co ltd
Priority to CN202111597030.1A priority Critical patent/CN114256848A/en
Publication of CN114256848A publication Critical patent/CN114256848A/en
Pending legal-status Critical Current

Links

Images

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
    • H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
    • H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/63—Monitoring or controlling charging stations in response to network capacity
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/12—The local stationary network supplying a household or a building
    • H02J2310/14—The load or loads being home appliances
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention belongs to the technical field of charging piles, in particular to a charging control method for realizing dynamic balance of household load, and provides the following scheme, wherein the charging control method comprises the following steps of: s1: reading the current value I1 of the household electric meter before starting charging; s11, calculating a rated current value I2 of the charging pile, wherein the current I2 is the current value of the maximum current value IMAX-I1 of the home network; s2: detecting the current value I3 of the household electric meter in real time in the charging process; s21: and detecting the rated current value I4 of the charging pile in real time in the charging process. The invention can effectively control the output current value of the charging pile, effectively solve the problem caused by the change between household load balances, ensure that the whole household power utilization network does not exceed the maximum current value of the household network, prevent the household open trip from influencing the service life of household appliances, and prevent the processed appliances from being incapable of charging or causing fire due to overheating.

Description

Control method for realizing dynamic balance charging of household load
Technical Field
The invention relates to the technical field of charging piles, in particular to a charging control method for realizing dynamic balance of household loads.
Background
At present fill electric pile family use, because the inlet wire electric current of every family of reason of electric wire netting receives the restriction, if do not restrict the output current who fills electric pile, then arouse the tripping operation of opening in the air in the house, influence domestic appliance's life-span, can't charge or overheated arouse the conflagration when more serious, bring very big inconvenience for the user.
Therefore, the intelligent load balance control method can meet the normal use requirement of the charging pile, can also meet the normal work requirement of household appliances, improves the utilization rate of a household power grid, and is convenient for users to use.
Disclosure of Invention
The control method for realizing the dynamic balance charging of the household load can dynamically adjust the output power of the charging pile and ensure the household power utilization safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method for realizing the dynamic balance of charging of a family load can dynamically adjust the output power of a charging pile, and comprises the following steps:
s1: reading the current value I1 of the household electric meter before starting charging;
s11, calculating a rated current value I2 of the charging pile, wherein the current I2 is the current value of the maximum current value IMAX-I1 of the home network;
s2: detecting the current value I3 of the household electric meter in real time in the charging process;
s21: detecting the rated current value I4 of the charging pile in real time in the charging process;
s3: calculating the current value of I5 in the charging process, wherein the current I5 is the current value obtained by subtracting I4 from I3;
s4: calculating the difference value delta I current value between I5 and I1 in the charging process, and comparing the delta I current value;
s5: when the value of the delta I is larger than 0 and exceeds a fixed value N in the step S4, adjusting the PWM of the charging pile to correspondingly reduce by 0.6A/delta I, and stopping charging if the reduced PWM is lower than the duty ratio corresponding to 6A;
s6: when the value of the delta I is smaller than 0 in the step S4 and the absolute value exceeds a fixed value N, adjusting the PWM of the charging pile to correspondingly increase 0.6A/delta I, improving the overcurrent value of the corresponding charging pile and continuing charging;
it should be noted that the step S5 further includes the following steps:
s51: after the PWM value of the charging pile is adjusted, waiting for a certain time to check the actual current value I4 output by the charging pile;
s52: if the current value of I4 does not correspond to the PWM value of the charging pile, continuously adjusting the duty ratio of the charging pile to the minimum value, replacing the current value of I1 with the current value of I5, and returning to the charging process to continue detecting;
s53: if the current value of I4 corresponds to the charging pile PWM value, the current value of I1 is replaced by the current value of I5, and the detection is continued in the process of returning to charging.
It is worth mentioning that the step S6 further includes the following steps:
s61: and after the increase, the PWM is not allowed to exceed the PWM value corresponding to the maximum rated value of the charging pile, and if the PWM value is larger than the rated value of the charging pile, the output is still output according to the maximum rated PWM.
S62: at this time, the current value of I1 is replaced by the current value of I5, and the detection is continued while returning to the charging.
It is to be noted that the step of S4 further includes the following steps;
s41, determining that the delta I current value is greater than 0 and lasts for a certain time T1;
s41 a: the Δ I current value is greater than 0 and continues for a certain time T1, and the subsequent step S5 is performed;
s41 b: if the Δ I current value is greater than 0 and cannot last for a certain time T1, the timer is incremented until the Δ I current value is greater than 0 and lasts for a certain time T1, and then the subsequent step S5 is performed.
It is worth mentioning that: the T1 time in the S41 was 5S.
Compared with the prior art, the invention has the beneficial effects that:
the invention can effectively control the output current value of the charging pile, effectively solve the problem caused by the change between the household load balances, read the current value of the household ammeter before charging and compare the difference value with the use current value of the charging pile, and the output current value of the charging pile needs to be adjusted in real time when the difference value changes in the charging pile process, so as to ensure that the whole household power utilization network does not exceed the maximum current value of the household network, prevent the household tripping operation from being opened without the household, influence the service life of household appliances, and prevent the processed appliances from being charged or causing fire disaster due to overheating.
Drawings
Fig. 1 is a schematic diagram of the connection of the charging apparatus of the present invention to a home power grid;
FIG. 2 is a diagram illustrating the relationship between the whole network system of the home load and the household appliances Δ I according to the present invention;
FIG. 3 is a flow chart of the present invention when the output PWM of the charging pile decreases during charging;
fig. 4 is a flowchart of the increase of the PWM output of the charging pile in the charging process according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1: setting N to 2A, T1 to 5 s;
referring to fig. 1 to 4, a method for implementing a home load dynamic balance charging control, which can dynamically adjust an output power of a charging pile, includes the following steps:
s1: reading the current value I1 of the household electric meter before starting charging;
s11, calculating a rated current value I2 of the charging pile, wherein the current I2 is the current value of the maximum current value IMAX-I1 of the home network, if the current I2 is less than 6A, the charging cannot be carried out, and a screen carries out corresponding prompt, and if the current I2 exceeds the maximum rated value of the charging pile, the current is output according to the rated power of the charging pile;
s2: detecting the current value I3 of the household electric meter in real time in the charging process;
s21: detecting the rated current value I4 of the charging pile in real time in the charging process;
s3: calculating the current value of I5 in the charging process, wherein the current I5 is the current value obtained by subtracting I4 from I3;
s4: calculating the difference value delta I current value between I5 and I1 in the charging process, and comparing the delta I current value;
s41, determining the current value of the delta I to be more than 0 and lasting for 5S;
s41 a: the Δ I current value continues for 5S when it is greater than 0, and the subsequent step S5 is performed;
s41 b: if the Δ I current value is greater than 0 and cannot continue for 5 seconds, the timer is incremented, and the loop continues to loop through step S4 until the Δ I current value continues for 5 seconds while being greater than 0, and then the subsequent step S5 is performed.
S5: when the value of delta I in the step S4 is greater than 0 and exceeds 2A, adjusting the PWM of the charging pile to correspondingly reduce by 0.6A/delta I, and stopping charging if the reduced PWM is lower than the duty ratio corresponding to 6A;
s51: after the PWM value of the charging pile is adjusted, waiting for a certain time to check the actual current value I4 output by the charging pile;
s52: if the current value of I4 does not correspond to the PWM value of the charging pile, continuously adjusting the duty ratio of the charging pile to the minimum value, replacing the current value of I1 with the current value of I5, and returning to the charging process to continue detecting;
s53: if the current value of I4 corresponds to the PWM value of the charging pile, replacing the current value of I1 with the current value of I5, and returning to the charging process to continue detecting;
s6: when the value of the delta I is smaller than 0 and the absolute value exceeds 2A in the step S4, adjusting the PWM of the charging pile to correspondingly increase 0.6A/delta I, improving the overcurrent value of the corresponding charging pile and continuing charging;
s61: and after the increase, the PWM is not allowed to exceed the PWM value corresponding to the maximum rated value of the charging pile, and if the PWM value is larger than the rated value of the charging pile, the output is still output according to the maximum rated PWM.
S62: at this time, the current value of I1 is replaced by the current value of I5, and the detection is continued while returning to the charging.
Example 2: setting N to 1A, T1 to 3 s;
referring to fig. 1 to 4, a method for implementing a home load dynamic balance charging control, which can dynamically adjust an output power of a charging pile, includes the following steps:
s1: reading the current value I1 of the household electric meter before starting charging;
s11, calculating a rated current value I2 of the charging pile, wherein the current I2 is the current value of the maximum current value IMAX-I1 of the home network, if the current I2 is less than 6A, the charging cannot be carried out, and a screen carries out corresponding prompt, and if the current I2 exceeds the maximum rated value of the charging pile, the current is output according to the rated power of the charging pile;
s2: detecting the current value I3 of the household electric meter in real time in the charging process;
s21: detecting the rated current value I4 of the charging pile in real time in the charging process;
s3: calculating the current value of I5 in the charging process, wherein the current I5 is the current value obtained by subtracting I4 from I3;
s4: calculating the difference value delta I current value between I5 and I1 in the charging process, and comparing the delta I current value;
s41, determining the current value of the delta I to be more than 0 and lasting for 3S;
s41 a: continuing the Δ I current value for 3S when the Δ I current value is greater than 0, and performing the subsequent step S5;
s41 b: if the Δ I current value is greater than 0 and cannot continue for 3 seconds, the timer is incremented, and the loop continues to loop through step S4 until the Δ I current value continues for 3 seconds while being greater than 0, and then the subsequent step S5 is performed.
S5: when the value of delta I in the step S4 is greater than 0 and exceeds 1A, adjusting the PWM of the charging pile to correspondingly reduce by 0.6A/delta I, and stopping charging if the reduced PWM is lower than the duty ratio corresponding to 6A;
s51: after the PWM value of the charging pile is adjusted, waiting for a certain time to check the actual current value I4 output by the charging pile;
s52: if the current value of I4 does not correspond to the PWM value of the charging pile, continuously adjusting the duty ratio of the charging pile to the minimum value, replacing the current value of I1 with the current value of I5, and returning to the charging process to continue detecting;
s53: if the current value of I4 corresponds to the PWM value of the charging pile, replacing the current value of I1 with the current value of I5, and returning to the charging process to continue detecting;
s6: when the value of the delta I is smaller than 0 and the absolute value exceeds 1A in the step S4, adjusting the PWM of the charging pile to correspondingly increase 0.6A/delta I, improving the overcurrent value of the corresponding charging pile and continuing charging;
s61: and after the increase, the PWM is not allowed to exceed the PWM value corresponding to the maximum rated value of the charging pile, and if the PWM value is larger than the rated value of the charging pile, the output is still output according to the maximum rated PWM.
S62: at this time, the current value of I1 is replaced by the current value of I5, and the detection is continued while returning to the charging.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. A control method for realizing the dynamic balance of charging of a household load can dynamically adjust the output power of a charging pile, and is characterized by comprising the following steps:
s1: reading the current value I1 of the household electric meter before starting charging;
s11, calculating a rated current value I2 of the charging pile, wherein the current I2 is the current value of the maximum current value IMAX-I1 of the home network;
s2: detecting the current value I3 of the household electric meter in real time in the charging process;
s21: detecting the rated current value I4 of the charging pile in real time in the charging process;
s3: calculating the current value of I5 in the charging process, wherein the current I5 is the current value obtained by subtracting I4 from I3;
s4: calculating the difference value delta I current value between I5 and I1 in the charging process, and comparing the delta I current value;
s5: when the value of the delta I is larger than 0 and exceeds a fixed value N in the step S4, adjusting the PWM of the charging pile to correspondingly reduce by 0.6A/delta I, and stopping charging if the reduced PWM is lower than the duty ratio corresponding to 6A;
s6: and when the value of the delta I in the step S4 is smaller than 0 and the absolute value exceeds a fixed value N, adjusting the PWM of the charging pile to correspondingly increase 0.6A/delta I, improving the overcurrent value of the corresponding charging pile and continuing to charge.
2. The method for controlling charging to achieve dynamic balance of household loads according to claim 1, wherein the step of S5 further comprises the following steps:
s51: after the PWM value of the charging pile is adjusted, waiting for a certain time to check the actual current value I4 output by the charging pile;
s52: if the current value of I4 does not correspond to the PWM value of the charging pile, continuously adjusting the duty ratio of the charging pile to the minimum value, replacing the current value of I1 with the current value of I5, and returning to the charging process to continue detecting;
s53: if the current value of I4 corresponds to the charging pile PWM value, the current value of I1 is replaced by the current value of I5, and the detection is continued in the process of returning to charging.
3. The method for controlling charging to achieve dynamic balance of household loads according to claim 1, wherein the step of S6 further comprises the steps of:
s61: and after the increase, the PWM is not allowed to exceed the PWM value corresponding to the maximum rated value of the charging pile, and if the PWM value is larger than the rated value of the charging pile, the output is still output according to the maximum rated PWM.
S62: at this time, the current value of I1 is replaced by the current value of I5, and the detection is continued while returning to the charging.
4. The method for controlling charging to realize dynamic balance of household loads according to claim 1, wherein the step of S4 further comprises the following steps;
s41, determining that the delta I current value is greater than 0 and lasts for a certain time T1;
s41 a: the Δ I current value is greater than 0 and continues for a certain time T1, and the subsequent step S5 is performed;
s41 b: if the Δ I current value is greater than 0 and cannot last for a certain time T1, the timer is incremented until the Δ I current value is greater than 0 and lasts for a certain time T1, and then the subsequent step S5 is performed.
5. The method as claimed in claim 4, wherein the time T1 of S41 is 5S.
CN202111597030.1A 2021-12-24 2021-12-24 Control method for realizing dynamic balance charging of household load Pending CN114256848A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111597030.1A CN114256848A (en) 2021-12-24 2021-12-24 Control method for realizing dynamic balance charging of household load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111597030.1A CN114256848A (en) 2021-12-24 2021-12-24 Control method for realizing dynamic balance charging of household load

Publications (1)

Publication Number Publication Date
CN114256848A true CN114256848A (en) 2022-03-29

Family

ID=80794950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111597030.1A Pending CN114256848A (en) 2021-12-24 2021-12-24 Control method for realizing dynamic balance charging of household load

Country Status (1)

Country Link
CN (1) CN114256848A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180264966A1 (en) * 2017-03-17 2018-09-20 Delta Electronics, Inc. Power supply system and method of operating the same
CN110797858A (en) * 2018-08-02 2020-02-14 赫克斯冈技术中心 Power grid management
US20200161859A1 (en) * 2018-11-21 2020-05-21 Ford Global Technologies, Llc Integrated vehicle-to-home energy management system
CN212751870U (en) * 2020-08-06 2021-03-19 哈尔滨普发新能源有限公司 Charging column system capable of dynamically adjusting output power
CN112564191A (en) * 2019-09-10 2021-03-26 国创新能源汽车能源与信息创新中心(江苏)有限公司 Dynamic adjusting device and method for charging current of electric automobile
CN113690909A (en) * 2021-07-29 2021-11-23 国创移动能源创新中心(江苏)有限公司 Power allocation method and device for three-phase charging pile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180264966A1 (en) * 2017-03-17 2018-09-20 Delta Electronics, Inc. Power supply system and method of operating the same
CN110797858A (en) * 2018-08-02 2020-02-14 赫克斯冈技术中心 Power grid management
US20200161859A1 (en) * 2018-11-21 2020-05-21 Ford Global Technologies, Llc Integrated vehicle-to-home energy management system
CN112564191A (en) * 2019-09-10 2021-03-26 国创新能源汽车能源与信息创新中心(江苏)有限公司 Dynamic adjusting device and method for charging current of electric automobile
CN212751870U (en) * 2020-08-06 2021-03-19 哈尔滨普发新能源有限公司 Charging column system capable of dynamically adjusting output power
CN113690909A (en) * 2021-07-29 2021-11-23 国创移动能源创新中心(江苏)有限公司 Power allocation method and device for three-phase charging pile

Similar Documents

Publication Publication Date Title
US7839027B2 (en) Frequency responsive charge sustaining control of electricity storage systems for ancillary services on an electrical power grid
CN105471022B (en) A kind of adaptive charging control circuit and control method in switch charger
WO2019128069A1 (en) Adaptive generator and air conditioner control method and device
CN111271840A (en) Effective voltage abnormity protection method and device and air conditioning unit
US12027850B2 (en) Direct current load response control method and device, and a direct current electric appliance
CN112383096A (en) Power supply power adjusting method and device and power supply system
CN105826959B (en) A kind of method, device and mobile terminal of charging
KR100641127B1 (en) Output power control apparatus for fuel cell system
CN114256848A (en) Control method for realizing dynamic balance charging of household load
CN107939590B (en) Control method for generating power according to water level
CN116865287B (en) Power distribution network voltage reactive compensation adjustment method, device, equipment and storage medium
US20220231597A1 (en) Control circuit and method for bus voltage variation in power converters
EP3449544A1 (en) Method and device for charging an energy-storage system in a solar panel installation
CN109066815B (en) Power electronic load active control method and system considering importance
CN108679794B (en) Air conditioner, control method and device thereof and readable storage medium
JP2021044880A (en) Voltage control device, voltage control method, voltage control program, and voltage control system
JP2017184342A (en) Power storage device and power conditioner
JP3432882B2 (en) Islanding detection method
CN217445276U (en) Protection device and system for avoiding no-load error forced excitation of generator
CN112542840B (en) Impact load control method for household energy management system
CN113659891B (en) Control method for preventing protection misoperation during starting of generator set
CN114725939B (en) Method and system for determining maximum disturbance power bearable by power grid system
CN117147993A (en) Method and system for distinguishing disturbance type of power system
US20230198379A1 (en) Control of a modular multilevel converter of a full bridge or mixed arm type in case of a dc line disturbance
CN112448452A (en) Mobile phone charging method and mobile phone charging control system based on internet

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