CN105954581A - Load control electric energy meter having direct load control function, and control method thereof - Google Patents
Load control electric energy meter having direct load control function, and control method thereof Download PDFInfo
- Publication number
- CN105954581A CN105954581A CN201610488295.0A CN201610488295A CN105954581A CN 105954581 A CN105954581 A CN 105954581A CN 201610488295 A CN201610488295 A CN 201610488295A CN 105954581 A CN105954581 A CN 105954581A
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- China
- Prior art keywords
- control
- direct load
- load control
- electric energy
- module
- 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.)
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Classifications
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- 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
-
- 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
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems 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
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a load control electric energy meter having a direct load control function, and a control method thereof. The load control electric energy meter comprises a power supply, wherein the power supply is connected with a direct load control outlet and an analog quantity acquisition module, the analog quantity acquisition module is sequentially connected with a metering module and a main control system, the main control system is connected with a storage control module, a communication module, a human-computer interaction module and a direct load control outlet, and the communication module is connected with an energy management center of a dispatching department; and the direct load control outlet is composed of relays controlling various kinds of electrical equipments, and the on and off of the relays are controlled by the main control system. The load control electric energy meter realizes the purpose of load shedding without affecting the usage experience of users, and achieves circulation control on part of electricity-utilization equipment which has energy storage function and can suspend power supply in a short time without affecting the usage experience of users; and after practical test and use, the load control electric energy meter can feed back energy consumption data to electric energy suppliers and the users accurately, can complete instructions of direct load control sensitively, and achieves load control.
Description
Technical field
The invention belongs to electric power load control and field of measuring techniques, particularly to one, there is direct load
Control negative control electric energy meter and the control method thereof of function.
Background technology
It is a kind of simple and practical demand management means that direct load controls, and it refers on system peak
Period is controlled actuator by direct load and has energy storage merit by far-end control device loop control user
The electrical equipment of energy, to realize the purpose of reduction plans on the premise of the experience not affecting user.
Intelligent electric meter is in addition to conventional watt metering, and also should have power distribution network runs the function controlled.With
The development of Smart Home, by ammeter realize load remotely control and user controls to become
The inexorable trend of technology development.There is direct load and control the negative control electric energy meter of function, can effectively carry
High-energy source supplier and the potentiality of end user's energy efficiency.
Summary of the invention
Goal of the invention: the present invention provide a kind of have direct load control function negative control electric energy meter and
Control method, to solve the problems of the prior art.
Technical scheme: for achieving the above object, the technical solution used in the present invention is:
A kind of negative control electric energy meter with direct load control function, including power supply, described power supply respectively
Connecting direct load and control outlet and analogue collection module, described analogue collection module is sequentially connected with
Metering module and master control system, described master control system connect respectively storage control module, communication module,
Human-computer interaction module and direct load control in outlet, described communication module and traffic department's energy management
The heart is connected；Described direct load controls outlet and is connected with electrical equipment with metering module；Described directly negative
Lotus controls outlet and is made up of the relay controlling various electrical equipments, cut-offfing by master control of relay
System controls.The result of master control system output controls continuing accordingly of outlet by controlling direct load
Electrical equipment reaches the purpose that direct load controls.
Described direct load controls whether outlet has energy-storage function according to electrical equipment, will output
Interface is divided into two-way, and wherein a road is used for the duty controlling to have energy-storage function electrical equipment.
Described spatial load forecasting has the electrical equipment of energy-storage function, not by periodically turning off user
The purpose that direct load controls is reached on the premise of affecting Consumer's Experience.
Described human-computer interaction module includes display screen and controls button.
Described storage control module is RAM memory, the nonce during main storage spatial load forecasting
According to, such as direct load controls state and the historical state data of each relay in outlet, adjusts
Spend the control signal and history control signal transferred.
Described communication module includes jtag interface, GPRS communication and serial communication, receives direct load control
The order of system.Communication module is broadly divided into three parts, and one is the debugging communication JTAG of master control system,
One GPRS communication is for receiving the order that direct load controls.
Described GRPS communication uses public communication network.
The chip model of described metering module is ADE7878, and precision is high.
A kind of have the control method that direct load controls the negative control electric energy meter of function, by periodically
Turn off and there is the electrical equipment of energy-storage function, specifically include following steps:
Step one, determine wheel control one cycle time be t, i.e. in the time period of time t, ginseng
With direct load control capability all, there is energy-storage function electrical equipment and both participate in once negative control behaviour
Make, continue the wheel control of next cycle；
Step 2, controlled total capacity being divided into n group, often group has energy-storage function electrical equipment one
The time needing wheel control to close down in the individual cycle is τ, then τ=t/n hour；
Step 3, control that the orderly control user of outlet has energy-storage function by direct load
Electrical equipment, reaches the purpose of spatial load forecasting.
Beneficial effect: compared with prior art, the method have the advantages that
The present invention is to realize the purpose of reduction plans on the premise of not affecting user's experience, it is achieved
On part can power and not affect following of the electrical equipment of Consumer's Experience by short interruptions with energy-storage function
Ring controls.This intelligent electric meter uses through reality test, and decapacitation will feed back to electricity by energy consumption data exactly
Energy supplier and user, moreover it is possible to complete the instruction that direct load controls delicately, it is achieved the control to load
System.Promoting the use of of this ammeter can not only produce direct energy-saving effect, additionally aids bulk power grid and realizes
The dsm of peak load shifting.
Accompanying drawing explanation
Fig. 1 is the module frame chart of the present invention；
Fig. 2 is the time diagram of control method of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
As it is shown in figure 1, a kind of have direct load control function negative control electric energy meter, including power supply,
Described power supply connects direct load respectively and controls outlet and analogue collection module, described analog acquisition
Module is sequentially connected with metering module and master control system, described master control system connect respectively storage control module,
Communication module, human-computer interaction module and direct load control outlet, described communication module and traffic department
Energy management center is connected；Described direct load controls outlet and is connected with electrical equipment with metering module；
Described direct load controls outlet and is made up of the relay controlling various electrical equipments, relay
Cut-off by master control system control.The result of master control system output controls by controlling direct load
The corresponding relay of mouth reaches the purpose that direct load controls.
Described direct load controls whether outlet has energy-storage function according to electrical equipment, will output
Interface is divided into two-way, and wherein a road is used for the duty controlling to have energy-storage function electrical equipment.
Described spatial load forecasting has the electrical equipment of energy-storage function, not by periodically turning off user
The purpose that direct load controls is reached on the premise of affecting Consumer's Experience.
Described human-computer interaction module includes display screen and controls button.
Described storage control module is RAM memory, the nonce during main storage spatial load forecasting
According to, such as direct load controls state and the historical state data of each relay in outlet, adjusts
Spend the control signal and history control signal transferred.
Described communication module includes jtag interface, GPRS communication and serial communication, receives direct load control
The order of system.Communication module is broadly divided into three parts, and one is the debugging communication JTAG of master control system,
One GPRS communication is for receiving the order that direct load controls.
Described GRPS communication uses public communication network.
The chip model of described metering module is ADE7878, and precision is high.
A kind of have the control method that direct load controls the negative control electric energy meter of function, by periodically
Turn off and there is the electrical equipment of energy-storage function, specifically include following steps:
Step one, determine wheel control one cycle time be t, i.e. in the time period of time t, ginseng
With direct load control capability all, there is energy-storage function electrical equipment and both participate in once negative control behaviour
Make, continue the wheel control of next cycle；
Step 2, controlled total capacity being divided into n group, often group has energy-storage function electrical equipment one
The time needing wheel control to close down in the individual cycle is τ, then τ=t/n hour；
Step 3, control that the orderly control user of outlet has energy-storage function by direct load
Electrical equipment, reaches the purpose of spatial load forecasting.
Embodiment
As in figure 2 it is shown, the load main object periodically controlled is the electrical equipment with energy-storage function,
Such as electric refrigerator, electric heater etc..By the investigation and analysis to the electrical equipment with energy-storage function,
Within one hour peak of power consumption time period, if spatial load forecasting set of time 10～15 minutes, the most not shadow
Ring the work purpose of energy storage device, do not affect the experience of user.
The present invention has the control method that direct load controls the negative control electric energy meter of function, first by controlled
Total capacity is divided into n group, and the time that often group energy storage load needs wheel control to close down within a cycle is τ, then
τ=1/n hour.
In Fig. 2 in one day between 19:00～21:00 as a example by the peak of power consumption time period, by controlled total appearance
Amount i.e. has the electrical equipment of energy-storage function and is divided into 6 groups, then be in " unlatching " state (dotted line frame)
It is 10min with the time τ of " closing down " state (solid box) cell.It follows that often group has
The electrical equipment of energy-storage function has the time of 10min to be in the state of closing down, and energy in each cycle
Ensure that every group has the electrical equipment of energy-storage function and closes down time interval all front and back between 2 cycles
It it is 1 hour, it is ensured that often group has between the electrical equipment of energy-storage function is closed down at twice to have and fills
" filling energy " time of foot.It is electric refrigerator as one of which has the electrical equipment of energy-storage function, one group
The electrical equipment with energy-storage function is electric heater, and remaining 4 groups is that other has the use of energy-storage function
Electricity equipment, the period 1 is 19:00～20:00, and second round is 20:00～21:00, wherein
19:00～19:10 and 20:00～20:10 electric refrigerator are closed down, and have one hour " fill between closing down for twice
Can " time, it is ensured that the electric refrigerator of user can normally use；Wherein 19:10～19:20 and
20:10～20:20 electric heater is closed down, and has " filling energy " time of one hour, protect between closing down for twice
The electric heater of card user can normally use.
Traffic department of the present invention energy management centrally through communication module jtag interface debugging, one
In it, two peak of power consumption periods of 10:00～12:00 and 19:00～21:00 send 300 to ammeter respectively
Bar control command, test send information to the communication delay of action tripping operation, and result is as shown in table 1.Root
Can obtain according to table 1 data, control signal be sent to perform average time at about 5 seconds, relative to control
The 10min in cycle is negligible.So, the communication delay of ammeter control signal can meet directly
Connect the requirement of spatial load forecasting.
Table 1
It is the test data to meter accuracy shown in table 2.Power relative error according to table 2 can be seen
Going out, maximum relative error is 0.18%, it is clear that little more than 0.5%, illustrates that this ammeter can reach ratio
Higher precision, meets the standard of country.
Table 2
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the art
For those of ordinary skill, under the premise without departing from the principles of the invention, it is also possible to make some improvement
And retouching, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. one kind have direct load control function negative control electric energy meter, it is characterised in that: include power supply,
Described power supply connects direct load respectively and controls outlet and analogue collection module, described analog acquisition
Module is sequentially connected with metering module and master control system, described master control system connect respectively storage control module,
Communication module, human-computer interaction module and direct load control outlet, described communication module and traffic department
Energy management center is connected；Described direct load controls outlet and is connected with electrical equipment with metering module；
Described direct load controls outlet and is made up of the relay controlling various electrical equipments, relay
Cut-off by master control system control.
The negative control electric energy meter with direct load control function the most according to claim 1, it is special
Levy and be: described direct load controls whether outlet has energy-storage function according to electrical equipment, by defeated
Outgoing interface is divided into two-way, and wherein a road is used for the work shape controlling to have energy-storage function electrical equipment
State.
The negative control electric energy meter with direct load control function the most according to claim 1, it is special
Levy and be: described human-computer interaction module includes display screen and controls button.
The negative control electric energy meter with direct load control function the most according to claim 1, it is special
Levy and be: described storage control module is RAM memory.
The negative control electric energy meter with direct load control function the most according to claim 1, it is special
Levy and be: described communication module includes jtag interface, GPRS communication and serial communication.
The negative control electric energy meter with direct load control function the most according to claim 5, it is special
Levy and be: described GRPS communication uses public communication network.
The negative control electric energy meter with direct load control function the most according to claim 1, it is special
Levy and be: the chip model of described metering module is ADE7878.
8. control the negative control electric energy meter of function according to the arbitrary described direct load that has of claim 1-7
Control method, it is characterised in that by periodically turning off the electrical equipment with energy-storage function,
Specifically include following steps:
Step one, determine wheel control one cycle time be t, i.e. in the time period of time t, ginseng
With direct load control capability all, there is energy-storage function electrical equipment and both participate in once negative control behaviour
Make, continue the wheel control of next cycle；
Step 2, controlled total capacity being divided into n group, often group has energy-storage function electrical equipment one
The time needing wheel control to close down in the individual cycle is τ, then τ=t/n hour；
Step 3, control that the orderly control user of outlet has energy-storage function by direct load
Electrical equipment, reaches the purpose of spatial load forecasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488295.0A CN105954581A (en) | 2016-06-28 | 2016-06-28 | Load control electric energy meter having direct load control function, and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488295.0A CN105954581A (en) | 2016-06-28 | 2016-06-28 | Load control electric energy meter having direct load control function, and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105954581A true CN105954581A (en) | 2016-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610488295.0A Pending CN105954581A (en) | 2016-06-28 | 2016-06-28 | Load control electric energy meter having direct load control function, and control method thereof |
Country Status (1)
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| CN (1) | CN105954581A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152605A (en) * | 1977-10-03 | 1979-05-01 | Conde Hector O | Automatic load control system and method for a power distribution network |
| CN102075013A (en) * | 2010-12-01 | 2011-05-25 | 河南省科学院应用物理研究所有限公司 | Method and device for remotely controlling household electricity load |
| CN201974469U (en) * | 2011-01-07 | 2011-09-14 | 华北电网有限公司计量中心 | Compatible three-phase electric energy meter |
| CN102591276A (en) * | 2012-01-18 | 2012-07-18 | 山东工商学院 | Intelligent electric meter system for residents for intelligent smart grid |
| CN103208085A (en) * | 2012-12-31 | 2013-07-17 | 苏州太谷能源管理股份有限公司 | Analysis intelligence system for improving load rate and reducing maximum demand of power utilization of enterprises |
| CN203690744U (en) * | 2014-02-19 | 2014-07-02 | 平高集团智能电气有限公司 | Intelligent low-voltage integration distribution box |
| CN205844408U (en) * | 2016-06-28 | 2016-12-28 | 国网江苏省电力公司检修分公司 | A kind of negative control electric energy meter with direct load control function |
-
2016
- 2016-06-28 CN CN201610488295.0A patent/CN105954581A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152605A (en) * | 1977-10-03 | 1979-05-01 | Conde Hector O | Automatic load control system and method for a power distribution network |
| CN102075013A (en) * | 2010-12-01 | 2011-05-25 | 河南省科学院应用物理研究所有限公司 | Method and device for remotely controlling household electricity load |
| CN201974469U (en) * | 2011-01-07 | 2011-09-14 | 华北电网有限公司计量中心 | Compatible three-phase electric energy meter |
| CN102591276A (en) * | 2012-01-18 | 2012-07-18 | 山东工商学院 | Intelligent electric meter system for residents for intelligent smart grid |
| CN103208085A (en) * | 2012-12-31 | 2013-07-17 | 苏州太谷能源管理股份有限公司 | Analysis intelligence system for improving load rate and reducing maximum demand of power utilization of enterprises |
| CN203690744U (en) * | 2014-02-19 | 2014-07-02 | 平高集团智能电气有限公司 | Intelligent low-voltage integration distribution box |
| CN205844408U (en) * | 2016-06-28 | 2016-12-28 | 国网江苏省电力公司检修分公司 | A kind of negative control electric energy meter with direct load control function |
Non-Patent Citations (1)
| Title |
|---|
| 高赐威: "基于DLC的空调负荷双层优化调度和控制策略", 《中国电机工程学报》 * |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Applicant after: National network Jiangsu Electric Power Co., Ltd. maintenance branch Applicant after: STATE GRID JIANGSU ELECTRIC POWER COMPANY Applicant after: State Grid Corporation of China Address before: 210000, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5 Applicant before: State Grid Jiangsu Electric Power Company Maintenance Branch Company Applicant before: STATE GRID JIANGSU ELECTRIC POWER COMPANY Applicant before: State Grid Corporation of China |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
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| RJ01 | Rejection of invention patent application after publication |