CN105591397A - Electric power control system for preventing shortcircuit or power supply stoppage - Google Patents

Electric power control system for preventing shortcircuit or power supply stoppage Download PDF

Info

Publication number
CN105591397A
CN105591397A CN201610128490.2A CN201610128490A CN105591397A CN 105591397 A CN105591397 A CN 105591397A CN 201610128490 A CN201610128490 A CN 201610128490A CN 105591397 A CN105591397 A CN 105591397A
Authority
CN
China
Prior art keywords
power
electric
energy storage
storage device
equipment
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.)
Withdrawn
Application number
CN201610128490.2A
Other languages
Chinese (zh)
Inventor
不公告发明人
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CN105591397A publication Critical patent/CN105591397A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • H02J13/0017
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225Demand response systems, e.g. load shedding, peak shaving
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/14Energy storage units
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/222Demand response systems, e.g. load shedding, peak shaving
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/242Home appliances
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/248UPS systems or standby or emergency generators
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

An electric power control system for preventing shortcircuit or power supply stoppage comprises a plurality of sets of electric power equipment, an electric power control device and an energy storage device. The electric power control device comprises a priority setting part which is used for setting the use priorities of the plurality of sets of electric power equipment. The electric power control system can realize automatic electric power consumption equipment optimization and realizes purposes of high safety, high economical performance and high practicability without low-priority electric power equipment power reduction.

Description

A kind of electric control system that prevents short circuit or power-off
Technical field
The present invention relates to power system, especially relate to electric control system, excessive to prevent the electric current in power systemThe short circuit causing or power-off.
Background technology
Power load has illumination, boiler, heater, and the polytype loads such as process units have difference for theseThe loadtype of importance rate, Utilities Electric Co., in the peak of power consumption period, when electric load is nervous, can cut off conventionally in subregionalSupply of electric power, thus various power load power-off in this region are stopped using, have a strong impact on resident's daily life, and have canCan bring beyond thought harmful effect, for example ongoing work is forced to stop, and cannot proceed, and causes serious economyLoss. In addition, the in the situation that of the power cuts to limit consumption of non-electricity company, various in household are worked by electric loading simultaneously, also can go outThe situation of existing excess load, thus partial short-circuit caused, the electrical equipment of working is brought to harmful effect.
In prior art, providing in supply network, can be below fixed amount by provided electric power amount control, andAnd distribute efficiently the method for electric power. As disclosed in CN102341991B, it is by reducing the electricity consumption of the electrical equipment that priority is lowerAmount, is controlled at overall electric power amount below fixed amount, thereby efficient allocation electric power avoids causing the situation of power-off or short circuit.But in fact this technical scheme has reduced the power consumption of the electrical equipment of low priority, extend the work of the electrical equipment of low priorityTime, and the electrical equipment of low priority long-play under rated power, may cause electrical equipment infringement, affect performance.
For the defect of technique scheme, the invention provides a kind of electric control system, can not reduce electric powerIn the situation of load, the electric power amount control that power supply is provided is below specified quantitative.
Summary of the invention
As one aspect of the present invention, provide a kind of method of work of electric control system, this electric control systemComprise: the power equipment connecting by wireless or cable via communication network portion; And power control unit, wherein, described inPower equipment comprises: electric power test section, and for measuring or obtain the power consumption of described power equipment, wherein, described electric power controlDevice processed comprises: current detecting part, for detection of the electric current of the more than one electrical system of the power supply of flowing through; Voltage detection department,For detection of the voltage of power supply; Power system calculation portion, for believing according to the detection of described current detecting part and described voltage detection departmentBreath calculates electric power; Transceiver portion, for communicating with described power equipment; Upper limit setting unit, described in flowing through for settingThe higher limit of the electric current of current detecting part; Priority setting unit, for arranging the use priority of described power equipment; And electricityPower control instruction unit, for set when detecting that the electric current of the described current detecting part of flowing through is equal to or greater than described upper limit setting unitPut current value time, output warning notice or to described power equipment output power control instruction, is characterized in that: described electricityForce control system also comprises energy storage device, and described power supply can charge to described energy storage device, described energy storage device and electricityPower equipment can use as power supply separately while being connected; The method of work of above-mentioned electric control system, comprising: (1) if described inThe operation of power equipment is the relevant operation of pattern reducing with power consumption, further judge energy storage device whether charging withAnd whether electric weight be full of, if (i) energy storage device charging or its electric weight full, without will with whether can operate instituteState the relevant inquiry of power equipment and be sent to described power control unit, directly control described electric power according to the instruction of this operationThe operation of equipment, if (ii) energy storage device not charging and its electric weight less than, will whether can operate described electric power and establishThe inquiry that has pass is sent to described power control unit, power equipment described in the further decision operation of described power control unitAnd whether the electric power reducing enough charges to energy storage device, if enough energy storage device is not charged, electric power controlDevice processed only operates described power equipment, if enough energy storage device is charged, power control unit operates described electricityPower equipment and energy storage device is charged; (2) if being the pattern that power consumption increases, the operation of described power equipment hasThe operation of closing, is sent to described power control unit, described electricity by whether operating the relevant inquiry of described power equipmentForce control device judges the electric power that this power consumption increases causes the electric current after variation whether to exceed establishing of described upper limit setting unitPut the higher limit of electric current, if (i) do not exceed higher limit, power control unit operates described power equipment; (ii) if superGone out higher limit, first power control unit judges that energy storage device is in charging, if in charging, energy storage device stops fillingElectricity; Then power control unit judgement stop charging after the electric current of power supply whether exceed the higher limit of electric current, if still exceededThe higher limit of electric current, the supplementary power supply using energy storage device as power equipment; If use energy storage device as power equipmentSupplementary power supply after, the electric current of power supply still exceedes the higher limit of electric current, according to the different priorities of power equipment determine notWith the mode of operation of power equipment.
Further, in such scheme, described power equipment is divided into two groups, and first group is the electricity being only connected with described power supplyPower equipment, second group is the power equipment being connected with described power supply and described energy storage device; Described first group of power equipment isEquipment that can not power-off in operating process, described second group of power equipment be can power-off in operating process equipment; Electric powerControl system also comprises change-over switch, and described change-over switch can disconnect being connected of described second group of power equipment and power supply.
Further, in such scheme, at described energy storage device during as the stand-by power supply of second group of power equipment, described inChange-over switch disconnects being connected of described second group of power equipment and power supply; Power control unit is not according to first group of power equipmentSame priority is determined the mode of operation of different power equipments in first group of power equipment; At described energy storage device not as electricity for subsequent use, described change-over switch is connected described second group of power equipment with described power supply when in the source.
Further, in such scheme, also comprise the second power system calculation portion, at described energy storage device as second group of electric powerWhen the stand-by power supply of equipment, calculate the total current of second group of power equipment by the second power system calculation portion, and this second group of electricityThe total current of power equipment sends power control unit to by communication module, when comprising first group of power equipment and second group of electric powerThe total current sum of equipment is less than after the higher limit that electric current is set of described upper limit setting unit, and change-over switch is by described second group of electricityPower equipment is connected with described power supply, and energy storage device is not re-used as the stand-by power supply of second group of power equipment.
Further, in such scheme, described energy storage device also comprises electric quantity monitoring device, and this electric quantity monitoring device is real-timeMonitoring energy storage device dump energy, when energy storage device is when as stand-by power supply, if its dump energy lower than warning electric weight,Change-over switch is connected second group of power equipment again with power supply, and power control unit is excellent according to the difference of all power equipmentsFirst level is determined the mode of operation of different power equipments.
Further, in such scheme, the priority of described first group of power equipment is higher than described second group of power equipmentPriority.
Further, in such scheme, described energy storage device also comprises time supervision device and discharge monitoring device, asThe electric weight that the described electric quantity monitoring device of fruit is monitored in special time period is full, and in this time period, discharge monitoring device does not haveHave to monitor this energy storage device and have the operation of electric discharge, the stand-by power supply using described energy storage device as second group of power equipment,Disconnect being connected of described second group of power equipment and power supply.
Brief description of the drawings
Fig. 1 is the schematic diagram that the system architecture of electric control system of the present invention is shown.
Fig. 2 is the structural representation of power control unit wherein.
Fig. 3 is the workflow diagram of electric control system of the present invention.
Detailed description of the invention
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existingHave the accompanying drawing of required use in technical description to be briefly described, apparently, the accompanying drawing in the following describes is only thisSome embodiment of invention, for those of ordinary skill in the art, not paying under the prerequisite of creative work, also canTo obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram that the system architecture of electric control system of the present invention is shown, in the first embodiment of the present inventionIn, on the power line at the input side place of the panel 20 for will single-phase three-wire formula 220V introducing, be provided with current clamp, andPower control unit 10 is measured input current L1 and L2. The output line of panel 20 is connected with following device: as AC220V beThe power equipment 5 of system; As power equipment 1 AC110V system, in L1 phase and power equipment 2, in the connection of L2 phaseHave energy storage device 30, power equipment 3 and power equipment 4 have change-over switch 40 between energy storage device 30 and panel 20, shouldChange-over switch 40 can be switched between energy storage device, power equipment 3 and power equipment 4 and panel by closing or openingConnect. Can in the each element in Fig. 1, radio communication device be set separately, realize the intercommunication mutually between each element. As Fig. 2Shown in, power control unit comprises 10:L1 current detecting part 11a and L2 current detecting part 11a11b, for detection of L1 and L2 phaseInterior electric current; Voltage detection department 12, for detection of the voltage of L1 phase or L2 phase; Power system calculation portion 13, for according to current detectingThe detection information of portion and voltage detection department is calculated electric power; Transceiver portion 21, for from different power equipments, energy storage device andChange-over switch communicates; Upper limit setting unit 15, for arranging the higher limit of electric current of flow through described L1 or L2 phase; Priority is establishedPut portion 16, for the use priority of described power equipment is set; And electric power control instruction unit 17, for flowing through when detectingWhen the electric current of described current detecting part is equal to or greater than the set current value of described upper limit setting unit, output warning notice orTo described power equipment output power control instruction. For stablizing of power system, in the present invention, in energy storage device, can compriseTransformer and voltage-stablizer, the control module in the power equipment in the present invention can adopt as IHCH institute in CN102341991BThe control module showing is realized.
When Fig. 3 shows the operation of carrying out power equipment in embodiment of the present invention, electric control system of the present inventionWorkflow. As shown in Figure 3, the operation that first judges power equipment is the operation that power consumption reduces or increases: (1) ifThe operation of described power equipment is the relevant operation of pattern reducing with power consumption, further judges whether energy storage device is fillingWhether electricity and electric weight are full of, if (i) energy storage device charging or its electric weight full, without will with whether can graspDo the relevant inquiry of described power equipment and be sent to described power control unit, described in directly controlling according to the instruction of this operationThe operation of power equipment, if (ii) energy storage device not charging and its electric weight less than, will whether can operate described electricityThe inquiry of power device-dependent is sent to described power control unit, electric power described in the further decision operation of described power control unitEquipment the and whether electric power that reduces enough charges to energy storage device, if enough energy storage device is not charged, electricityForce control device only operates described power equipment, if enough energy storage device is charged, and power control unit operation instituteState power equipment and energy storage device is charged; (2) if the operation of described power equipment is the mould that power consumption increasesThe operation that formula is relevant, is sent to described power control unit, institute by whether operating the relevant inquiry of described power equipmentWhether the electric current after stating electric power that power control unit judges that this power consumption increases and causing changing exceeds described upper limit setting unitThe higher limit that electric current is set, if (i) do not exceed higher limit, power control unit operates described power equipment; AsFruit has exceeded higher limit, and first power control unit judges that energy storage device is in charging, if in charging, energy storage device stopsCharging; Then power control unit judgement stop charging after the electric current of power supply whether exceed the higher limit of electric current, if still superGo out the higher limit of electric current, the supplementary power supply using energy storage device as power equipment; If using energy storage device establishes as electric powerAfter standby supplementary power supply, the electric current of power supply still exceedes the higher limit of electric current, determines according to the different priorities of power equipmentThe mode of operation of different power equipments. By technique scheme of the present invention, by the power equipment of system is divided into two groupsAnd use energy storage device, can, in the situation that system burden increases, carry out the switching of system loading, thereby ensure electricityThe electric current in source is no more than maximum current, and does not need to reduce the use power of power equipment.
In the present embodiment, described power equipment is divided into two groups, and first group is the power equipment being only connected with described power supply1,2,5, the second groups of power equipments be the power equipment 3,4 being connected with described power supply and described energy storage device; Owing to makingIn process with energy storage device, need to carry out the switching of power supply, preferred, described first group of power equipment be in operating process notEquipment that can power-off, described second group of power equipment be can power-off in operating process equipment. Because first group of electric power is establishedStandby supply of electric power is comparatively stable, and preferred, in the time that priority arranges, the priority of first group of power equipment is higher than second group of electricityPower equipment.
In the present embodiment, electric control system comprises change-over switch 40, and it is for disconnection or connect described second group of electricityPower equipment is connected with power supply. At energy storage device 30, during as the stand-by power supply of second group of power equipment, change-over switch 40 disconnectsDescribed second group of power equipment is connected with power supply; Power control unit 10 is true according to the different priorities of first group of power equipmentThe mode of operation of different power equipments in fixed first group of power equipment; At energy storage device 30, during not as stand-by power supply, switching is openedClose second group of power equipment described in 40 is connected with described power supply. Further, in such scheme, also comprise the second power system calculationPortion 50, during as the stand-by power supply of second group of power equipment, calculates by the second power system calculation portion 50 at described energy storage deviceThe total current of two groups of power equipments, and the total current of this second group of power equipment sends electric power control dress to by communication modulePut, when comprising that the total current sum of first group of power equipment and second group of power equipment is less than the electricity that arranges of described upper limit setting unitAfter the higher limit of stream, change-over switch is connected described second group of power equipment with described power supply, and energy storage device is not re-used as secondThe stand-by power supply of group power equipment.
Because the electric weight of energy storage device is limited, for fear of its situation that electric weight exhausts when power supply as a supplement. ExcellentChoosing, energy storage device 30 can also comprise electric quantity monitoring device, the residual electricity of this electric quantity monitoring device Real-Time Monitoring energy storage deviceAmount, when energy storage device is when as stand-by power supply, if its dump energy lower than warning electric weight, change-over switch 40 is again by theTwo groups of power equipments are connected with power supply, and power control unit determines that according to the different priorities of all power equipments different electric power establishesStandby mode of operation.
Power system is all in underload situation most of time, and therefore, many time, energy storage device may be allBe full of electricity in idle condition, if energy storage device does not discharge for a long time, may affect its performance. Further, energy storage device30 also comprise time supervision device and discharge monitoring device, if described electric quantity monitoring device is monitored in special time periodElectric weight is full, and in this time period, discharge monitoring device does not monitor this energy storage device and has the operation of electric discharge, by instituteState the stand-by power supply of energy storage device as second group of power equipment, disconnect being connected of described second group of power equipment and power supply.
In above-described embodiment only for exemplary expression content of the present invention. In addition, those skilled in the art also canIn spirit of the present invention, do other and change, as long as it does not depart from technique effect of the present invention and all can. These are according to spirit of the present inventionThe variation of doing, within all should being included in the present invention's scope required for protection.

Claims (1)

1. an electric control system, comprising: the power equipment connecting by wireless or cable via communication network portion andPower control unit, wherein, described power equipment comprises: electric power test section, for measuring or obtain the electricity of described power equipmentPower consumes, and wherein, described power control unit comprises: current detecting part, more than one electric for detection of the power supply of flowing throughThe electric current of system; Voltage detection department, for detection of the voltage of power supply; Power system calculation portion, for according to described current detecting part andThe detection information of described voltage detection department is calculated electric power; Transceiver portion, for communicating with described power equipment; The upper limit is establishedPut portion, for the higher limit of electric current of the described current detecting part of flowing through is set; Priority setting unit, establishes for described electric power is setStandby use priority; And electric power control instruction unit, for equaling when the electric current that the described current detecting part of flowing through be detected orWhile being greater than the set current value of described upper limit setting unit, output warning notice or to the control of described power equipment output powerInstruction,
It is characterized in that: described electric control system also comprises energy storage device, described power supply can carry out described energy storage deviceCharging, can be used as power supply separately when described energy storage device is connected with power equipment;
(1) if the operation of described power equipment is the relevant operation of pattern reducing with power consumption, further judge energy storageWhether whether device be full of in charging and electric weight, if (i) energy storage device charging or its electric weight full, without willWith whether can operate the relevant inquiry of described power equipment and be sent to described power control unit, directly according to the finger of this operationShow to control the operation of described power equipment, if (ii) energy storage device not charging and its electric weight less than, will whether canEnough operate the relevant inquiry of described power equipment and be sent to described power control unit, described power control unit further judgesWhether the electric power that operates described power equipment and reduce enough charges to energy storage device, if enough energy storage device is not enteredRow charging, power control unit only operates described power equipment, if enough energy storage device is charged, electric power controlDevice operates described power equipment and energy storage device is charged; (2) if being electric power, the operation of described power equipment disappearsThe relevant operation of pattern that consumption increases, is sent to described electric power control by whether operating the relevant inquiry of described power equipmentDevice processed, described power control unit judge the electric current after electric power that this power consumption increases causes changing whether exceed described onThe higher limit that electric current is set of limit setting unit, if (i) do not exceed higher limit, power control unit operates described electric power and establishesStandby; If (ii) exceeded higher limit, first power control unit judges that energy storage device is in charging, if in charging, and storageCan stop charging by device; Then power control unit judgement stop charging after the electric current of power supply whether exceed the higher limit of electric current,If still exceed the higher limit of electric current, the supplementary power supply using energy storage device as power equipment; If use energy storage deviceAfter supplementary power supply as power equipment, the electric current of power supply still exceedes the higher limit of electric current, according to the difference of power equipmentPriority is determined the mode of operation of different power equipments;
Energy storage device also comprises time supervision device and discharge monitoring device, if described electric quantity monitoring device is at special timeIn section, the electric weight of monitoring is full, and in this time period, discharge monitoring device does not monitor this energy storage device and has the behaviour of electric dischargeDo, the stand-by power supply using described energy storage device as second group of power equipment, disconnects described second group of power equipment and power supplyConnection;
Described energy storage device also comprises electric quantity monitoring device, the dump energy of this electric quantity monitoring device Real-Time Monitoring energy storage device,When energy storage device is when as stand-by power supply, if its dump energy lower than warning electric weight, change-over switch is again by second groupPower equipment is connected with power supply, and power control unit is determined different power equipments according to the different priorities of all power equipmentsMode of operation.
CN201610128490.2A 2014-10-07 2014-10-07 Electric power control system for preventing shortcircuit or power supply stoppage Withdrawn CN105591397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410519198.4A CN104269874B (en) 2014-10-07 2014-10-07 A kind of electric control system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410519198.4A Division CN104269874B (en) 2014-10-07 2014-10-07 A kind of electric control system

Publications (1)

Publication Number Publication Date
CN105591397A true CN105591397A (en) 2016-05-18

Family

ID=52161376

Family Applications (8)

Application Number Title Priority Date Filing Date
CN201410519198.4A Expired - Fee Related CN104269874B (en) 2014-10-07 2014-10-07 A kind of electric control system
CN201610129166.2A Withdrawn CN105610179A (en) 2014-10-07 2014-10-07 Working method of power control system for preventing short circuits or power failure
CN201610129026.5A Withdrawn CN105576680A (en) 2014-10-07 2014-10-07 Work method of electric control system
CN201610128918.3A Withdrawn CN105552942A (en) 2014-10-07 2014-10-07 Working method of power control system for preventing short circuits or power failure
CN201610129027.XA Withdrawn CN105576681A (en) 2014-10-07 2014-10-07 Electric control system capable of preventing short circuit or power failure
CN201610128490.2A Withdrawn CN105591397A (en) 2014-10-07 2014-10-07 Electric power control system for preventing shortcircuit or power supply stoppage
CN201610129161.XA Withdrawn CN105591398A (en) 2014-10-07 2014-10-07 Electric power control system
CN201610129145.0A Withdrawn CN105703383A (en) 2014-10-07 2014-10-07 Power control system and working method thereof

Family Applications Before (5)

Application Number Title Priority Date Filing Date
CN201410519198.4A Expired - Fee Related CN104269874B (en) 2014-10-07 2014-10-07 A kind of electric control system
CN201610129166.2A Withdrawn CN105610179A (en) 2014-10-07 2014-10-07 Working method of power control system for preventing short circuits or power failure
CN201610129026.5A Withdrawn CN105576680A (en) 2014-10-07 2014-10-07 Work method of electric control system
CN201610128918.3A Withdrawn CN105552942A (en) 2014-10-07 2014-10-07 Working method of power control system for preventing short circuits or power failure
CN201610129027.XA Withdrawn CN105576681A (en) 2014-10-07 2014-10-07 Electric control system capable of preventing short circuit or power failure

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201610129161.XA Withdrawn CN105591398A (en) 2014-10-07 2014-10-07 Electric power control system
CN201610129145.0A Withdrawn CN105703383A (en) 2014-10-07 2014-10-07 Power control system and working method thereof

Country Status (1)

Country Link
CN (8) CN104269874B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106532752A (en) * 2016-12-08 2017-03-22 钦州市晶通科技有限公司 Power control system for bicycle
CN106602550A (en) * 2016-12-08 2017-04-26 钦州市晶通科技有限公司 Household power control system
US10884469B2 (en) * 2018-09-14 2021-01-05 Quanta Computer Inc. Method and system for dynamically allocating and optimizing power resources
CN115983612B (en) * 2023-03-20 2023-07-25 国网安徽省电力有限公司合肥供电公司 Distributed source network charge storage scheduling optimization method based on virtual power plant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102341991A (en) * 2009-01-06 2012-02-01 松下电器产业株式会社 Power control system and method and program for controlling power control system
CN103078355A (en) * 2011-10-26 2013-05-01 无锡华润上华科技有限公司 Battery discharging circuit system
CN103904735A (en) * 2014-03-11 2014-07-02 哈尔滨工程大学 Energy storage subsystem used for batch-type renewable energy source power generation system and control method of energy storage subsystem

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005051955A (en) * 2003-07-31 2005-02-24 Minoru Kuroiwa Hybrid power generation system of solar energy generation and wind power generation
CN200959526Y (en) * 2006-08-15 2007-10-10 邱顶殷 Household power supply device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102341991A (en) * 2009-01-06 2012-02-01 松下电器产业株式会社 Power control system and method and program for controlling power control system
CN103078355A (en) * 2011-10-26 2013-05-01 无锡华润上华科技有限公司 Battery discharging circuit system
CN103904735A (en) * 2014-03-11 2014-07-02 哈尔滨工程大学 Energy storage subsystem used for batch-type renewable energy source power generation system and control method of energy storage subsystem

Also Published As

Publication number Publication date
CN105591398A (en) 2016-05-18
CN105576681A (en) 2016-05-11
CN105610179A (en) 2016-05-25
CN105552942A (en) 2016-05-04
CN105703383A (en) 2016-06-22
CN104269874B (en) 2016-04-27
CN104269874A (en) 2015-01-07
CN105576680A (en) 2016-05-11

Similar Documents

Publication Publication Date Title
US10637284B2 (en) Power supply system and method
CN105406580B (en) A kind of electric power system and method
CN113315111A (en) Power supply method and power supply system
CN203312887U (en) DC emergency power supply
CN100474736C (en) Device for supplying uninterruptible power
RU2014145345A (en) BATTERY CAPACITY MANAGEMENT
CN105591397A (en) Electric power control system for preventing shortcircuit or power supply stoppage
CN107257160B (en) DC operation power supply system and control method thereof
CN106356989A (en) Direct-current output integrated uninterrupted power supply circuit and control method
CN112803407B (en) Low-voltage distribution network seamless loop-closing power transfer method and system based on parallel converters
CN106130084A (en) Novel uninterrupted power source
CN104701872B (en) A kind of electric control system
CN111342550A (en) Direct current power supply control system and base station device
CN115416530A (en) Charging method, charging equipment, storage medium and charging system
CN209329769U (en) A kind of base station power supply control apparatus
CN113300474A (en) DC distribution power consumption early warning control system
CN105743110A (en) Operating method for power control system
CN105680443A (en) Power control system for preventing short circuit or power failure and working method for power control system
CN105762819A (en) Power control system and working method therefor
CN108336820B (en) Communication power supply monitoring system and method capable of configuring load compensation dynamic adjustment
CN105356592A (en) Intelligent power supply apparatus and method of uninterrupted power supply system
CN202424307U (en) 220 kV intelligent standby power supply auto-switching system
CN105244928A (en) Power control method and power control device for large-load terminals
CN203788008U (en) DC stand-by power supply of remote communication device
WO2013144162A2 (en) Power converter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20160518