CN102882276B - Energy efficiency monitoring method based on demand response - Google Patents
Energy efficiency monitoring method based on demand response Download PDFInfo
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- CN102882276B CN102882276B CN201210340059.6A CN201210340059A CN102882276B CN 102882276 B CN102882276 B CN 102882276B CN 201210340059 A CN201210340059 A CN 201210340059A CN 102882276 B CN102882276 B CN 102882276B
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention provides an energy efficiency monitoring method based on demand response. By the method, the on/off of the power supply of electric load equipment of a power consumer side is controlled; meanwhile, the related control units in the electric load equipment can be controlled in degree of opening and regulated in step and stepless ways continuously in combination with the power consumption condition of the electric load equipment of the power consumer side, so that the flexibility of demand response control is improved, and the demand response control is performed on the premise of ensuring comfort level of power consumption and not affecting the basic production and living of the power consumer.
Description
Technical field
The invention belongs to detection control technical field, be specifically related to a kind of efficiency method for supervising based on demand response.
Background technology
For a long time, human being's production life relies on traditional energy always, result in being on the rise of energy crisis to a large amount of, the continuous consumption of traditional energy.Many countries all utilize regenerative resource at active development in the world, it is desirable to carry out alleviating energy crisis by regenerative resource.But the utilization of regenerative resource and natural environment have close ties, when utilizing regenerative resource to generate electricity, environmental change can cause network load to change, and therefore needs the change adjustment power load according to network load, to ensure power system security.
At present, China's major part electricity generation system still relies on the consumption of traditional energy, in order to meet the demand of peak load of grid, electric power system needs to pay huge repeated construction cost to respond peak load, power system security is ensured with this, but when electrical network low ebb load, this part electric energy wastes again.Utilize advanced means, stabilize network load, reduce peak load of grid, improve low ebb load, for raising efficiency of energy utilization, reduce power grid construction cost, significant.
In numerous energy-saving and emission-reduction measures that country formulates and implements, the Energy Labeling of popularization power load equipment is also the efficiency of energy utilization in order to improve power load equipment.There is building EMS BEMS a lot of heavy construction facility inside, be used for the energy consumption condition of each power load equipment in Architectural Equipment of monitoring, and control for concrete power load equipment, reduce the energy resource consumption in building with this, improve efficiency of energy utilization.
Load management control system is for platform district transformer, and large-scale, medium-sized special change user carries out load management control, can carry out ordered electric control for above user.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of efficiency method for supervising based on demand response, realize the connection to power consumer side power load device power supply (DPS) and cutting-off controlling, simultaneously can in conjunction with the use energy situation of power consumer side power load equipment, continuous opening degree control is carried out to the associated control element in power load equipment, there are level, step-less adjustment, which enhance the flexibility that demand response controls, do not affecting power consumer basic production life, under ensureing the prerequisite of electricity consumption comfort level, carry out demand response control.
In order to realize foregoing invention object, the present invention takes following technical scheme:
Based on an efficiency method for supervising for demand response, said method comprising the steps of:
Step 1: detect electrical parameter and thermal parameter;
Step 2: generate and receive control strategy;
Step 3: collecting device energy consumption property parameters, and perform control strategy.
In described step 1, described electrical parameter comprises basic electrical parameter and power quality parameter; Described basic electrical parameter comprises electric current, voltage, active energy and reactive energy; Described power quality parameter comprises frequency, power factor, voltage unbalance factor, current unbalance factor, voltage dithering, fundamental power and harmonic power; Described thermal technology measures parameter and comprises temperature, humidity, flow, pressure, perceived noisiness, radiation and CO
2concentration.
In described step 2, control strategy comprises automatic control control strategy and he controls control strategy; Described automatic control control strategy comprises single parameter control strategy and combined parameters control strategy, and described he controls control strategy and comprises long-range DR control strategy and power consumer DR control strategy.
The control strategy that described long-range DR control strategy is issued by communication module by Utilities Electric Co. DR center or energy trustship DR center;
The Real-Time Monitoring parameter of power consumer DR center integrated power system information, the collection of efficiency supervising device and equipment energy consumption property parameters and the described power consumer DR control strategy produced.
In described step 3, equipment energy consumption property parameters comprises rated power, rated current and rated voltage.
In described step 3, the executive mode that described automatic control control strategy controls control strategy with him includes single control mode and coordinated signals mode; Described single control mode only controls for the single control unit of power consumer side power load equipment; Described coordinated signals mode controls at least two control units of power load equipment continuously.
Efficiency supervising device, by performing control strategy, produces control command, and described control command is sent to power consumer side power load equipment.
Control protocol according to unified standard produces described control command, the attribute of described control protocol to the control action corresponding to control command, the control object corresponding to control action and parameter and parameter value carries out unified definition, controls any power consumer side power load equipment to enable the control command produced according to this control protocol; Meanwhile, the communication interface of described control protocol to efficiency supervising device and power consumer side power load equipment also carries out Uniform provisions, so that efficiency supervising device is connected with power consumer side power load equipment, and carries out the transmission of control command.
Compared with prior art, beneficial effect of the present invention is:
1. the monitoring of relevant parameter had both included electrical parameter, the thermal parameter of power consumer side power load equipment, include the thermal parameter of power load equipment place environment simultaneously, and equipment energy consumption property parameters, the formulation for demand response control strategy provides more foundation;
2. realize the connection to power consumer side power load device power supply (DPS) and cutting-off controlling, simultaneously can in conjunction with the use energy situation of power consumer side power load equipment, continuous opening degree control is carried out to the associated control element in power load equipment, there are level, step-less adjustment, which enhance the flexibility that demand response controls, not affecting power consumer basic production life, under ensureing the prerequisite of electricity consumption comfort level, carry out demand response control;
3. achieve the monitoring of the relevant parameter required for dsm, can demand response control be carried out again.
Accompanying drawing explanation
Fig. 1 is the efficiency method for supervising flow chart based on demand response;
Fig. 2 is the efficiency method for supervising embodiment flow chart based on demand response;
Fig. 3 is that he controls control strategy flowchart;
Fig. 4 is Automatic Control Strategy flowchart.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1, a kind of efficiency method for supervising based on demand response, said method comprising the steps of:
Step 1: detect electrical parameter and thermal parameter;
Step 2: generate and receive control strategy;
Step 3: collecting device energy consumption property parameters, and perform control strategy.
In described step 1, described electrical parameter comprises basic electrical parameter and power quality parameter.
Described basic electrical parameter comprises electric current, voltage, active energy and reactive energy; Described power quality parameter comprises frequency, power factor, voltage unbalance factor, current unbalance factor, voltage dithering, fundamental power and harmonic power.
Described thermal technology measures parameter and comprises temperature, humidity, flow, pressure, perceived noisiness, radiation and CO
2concentration; A part derives from power consumer side power load equipment itself, and another part derives from the environment at power load equipment place, power consumer side; The electric energy metering module of efficiency supervising device and thermal technology measure parameter acquisition module and directly send the analog quantity of collection to master controller, or send master controller to after being converted to digital signal, master controller processes these signals, analyze and store the value of relevant parameter.
As shown in Figure 2, based on the efficiency method for supervising schematic diagram of demand response, comprise Utilities Electric Co., energy trustship, communication network, power consumer four part altogether.
Wherein Utilities Electric Co.'s part has some functions to be optional, and its effect entrusts by power consumer DR center to carry out dsm, performs DR controlling functions, generate DR control strategy according to relevant information.The topmost function in Utilities Electric Co. DR center issues power system information by communication network; If when the trust accepting power consumer DR center performs DR controlling functions, need to receive relevant real-time parameter, the equipment energy consumption property parameters uploaded at power consumer DR center, integrated power system information, each parameter generate long-range DR control strategy, are issued to power consumer DR center by communication network; When there is no the trust at power consumer DR center, only there is a function, namely issuing power system information by communication network.
Energy trustship channel floor is optional, and namely energy trustship DR center carries out dsm by accepting the trust of power consumer DR center, performs DR controlling functions, generate DR control strategy according to relevant information.When energy trustship DR center does not accept the trust of power consumer DR center, content relevant to energy trustship DR center is in fig. 2 non-existent; When energy trustship DR center accepts the trust of power consumer DR center, the power system information that energy trustship DR center is issued by communication network reception Utilities Electric Co. DR center, and each real-time parameter, the equipment energy consumption property parameters to be uploaded by power consumer DR center, generate long-range DR control strategy by energy trustship DR center according to power system information and each parameter, be issued to power consumer DR center by communication network.
Telecommunication between communication network portion primary responsibility power consumer DR center, Utilities Electric Co. DR center, energy trustship DR center three connects;
Power consumer part mainly comprises demand response efficiency supervising device, the power load equipment of power consumer DR center and power consumer side.Power consumer DR center is not when entrusting Utilities Electric Co. DR center or energy trustship DR center performs DR controlling functions, and the energy trustship DR center in Fig. 2 and all parts represented by dashed line all do not exist.Now, the power system information that power consumer DR center issues according to Utilities Electric Co. DR center, the relevant real-time parameter gathered by demand response efficiency supervising device, equipment energy consumption property parameters, comprehensively analyzes besides, generates power consumer DR control strategy.When Utilities Electric Co. DR center is entrusted at power consumer DR center or energy trustship DR center performs DR controlling functions, by the relevant real-time parameter gathered by demand response efficiency supervising device, equipment energy consumption property parameters is uploaded to the DR center of being entrusted by power consumer DR center by communication network, then receive by communication network the long-range DR control strategy that corresponding DR center issues, be issued to demand response efficiency supervising device by power consumer DR center.
In described step 2, control strategy comprises automatic control control strategy and he controls control strategy; Described automatic control control strategy comprises single parameter control strategy and combined parameters control strategy, and described he controls control strategy and comprises long-range DR control strategy and power consumer DR control strategy.
The control strategy that described long-range DR control strategy is issued by communication module by Utilities Electric Co. DR center or energy trustship DR center;
The Real-Time Monitoring parameter of power consumer DR center integrated power system information, the collection of efficiency supervising device and equipment energy consumption property parameters and the described power consumer DR control strategy produced.
He controls the execution flow process of control strategy as shown in Figure 3, when sending power consumer DR control strategy by power consumer DR center to energy monitoring device, electrical parameter, thermal parameter that efficiency supervising device takes timing mode (being generally 15 minutes) to store to power consumer DR central transmission, so that using of power consumer DR center analysis user side power load equipment can situation.Meanwhile, power consumer DR center also can according to the needs of power consumer DR control strategy initiatively to efficiency supervising device calling above-mentioned parameter.The formulation of power consumer DR control strategy is according to power system information, according to the description of power system information to DR, in conjunction with the user side equipment energy consumption property parameters of power consumer DR central collection, the electrician of Real-Time Monitoring, thermal parameter, generate corresponding power consumer DR control strategy, and power consumer DR control strategy is sent to efficiency supervising device, by efficiency supervising device according to the power consumer DR control strategy execution control function received.
When the efficiency supervising device being positioned at power consumer side receives long-range DR control strategy, be divided into again two kinds of situations: one is issue long-range DR control strategy by Utilities Electric Co. DR center by communication network, and two is on behalf of issuing long-range DR control strategy by energy trustship DR center; When issuing DR control strategy by Utilities Electric Co. DR center, Utilities Electric Co. DR center receives real time electrical parameter, the thermal parameter uploaded by power consumer DR center by communication network, power consumer side apparatus energy consumption property parameters, and in conjunction with power system information, produce Utilities Electric Co. DR control strategy, directly be sent to power consumer DR center by communication network, by power consumer DR center, long-range DR control strategy be sent to efficiency supervising device.When issuing DR control strategy by energy trustship DR center, energy trustship DR center receives real time electrical parameter, the thermal parameter uploaded by power consumer DR center by communication network, power consumer side apparatus energy consumption property parameters, and receive the power system information that issues of Utilities Electric Co. DR center by communication network, according to power system information and each relevant parameter, produce long-range DR control strategy, directly be sent to power consumer DR center by communication network, by power consumer DR center, long-range DR control strategy be sent to efficiency supervising device.
The target that he controls control strategy formulation is exactly to coordinate each DR center, and the demand for control at response DR center, reaches the object of demand response, stabilize network load with this, improve the efficiency of energy utilization of electric power system.
No matter being Long-distance Control strategy or local control strategy, is all to realize two objects: one is the power load reducing user side power load equipment; Two is the power loads improving user side power load equipment.About the control strategy reducing power load mainly comprises: the power supply cutting off power load equipment; The adjustment of the associated control element of power load equipment or the folding degree of control device in power load equipment power-on situation.About the control strategy improving power load mainly comprises: the power supply connecting power load equipment; The adjustment of the associated control element of power load equipment or the folding degree of control device.The adjustment of the associated control element of power load equipment or the folding degree of control device is mainly comprised: the opening degree adjustment of electric valve for pipeline door, the adjustment of temperature settings of thermostat, the adjustment of the settings of rotation speed of fan controller.
As shown in Figure 4, efficiency supervising device when mounted, according to the user side power load equipment corresponding with it, can pre-set automatic control control strategy by power consumer DR center, and pre-sets related parameter values according to automatic control control strategy.Energy efficiency monitoring device, according to the relevant parameter collected, compares with the related parameter values in the automatic control control strategy preset.If when certain single parameter value meets the single parameter value requirement preset in a certain automatic control control strategy, just perform this automatic control control strategy, this automatic control control strategy is also called single parameter control strategy; If when certain several parameter value meets the one or more requirement in the several parameter values preset in a certain automatic control control strategy, just perform this automatic control control strategy, this automatic control control strategy is also called combined parameters control strategy.
The target that automatic control control strategy is formulated is protection power load equipment, improves the efficiency of energy utilization of user side power load equipment, reduces the energy expenditure of user.When performing single state modulator strategy, as long as there is a parameter to meet preset value requirement, just perform this control strategy, as user side power load device power supply (DPS) loop current value raises suddenly, when exceeding preset value, control strategy will perform immediately, cut off the power supply of power load equipment.When perform combined parameters control strategy time, as long as there are particular or several parameters to meet preset value requirement, just perform this control strategy, if workshop temperature is at 25 degrees Celsius, and humidity value more than 90% time, air-conditioning system need open dehumidification function; If workshop temperature is between 28 ~ 29 degrees Celsius, and when air humidity maintains between 60% ~ 70%, air-conditioning system needs at unlatching dehumidification function simultaneously, to start compressor and freeze.Same workshop is why when humidity is larger, and the former is not activated compressor cooling and the latter starts compressor cooling, and this is closely bound up with the set point of relevant parameter in combined parameters control strategy.
Efficiency supervising device based on demand response passes through to perform related control strategies, produces control command, is sent to power load equipment by unified mode.The generation of control command should according to the control protocol of unified standard, this control protocol should to the control action corresponding to control command, control object corresponding to control action and parameter, the attribute of parameter value carries out unified definition, controls any power consumer side power load equipment to enable the control command produced according to this control protocol.Simultaneously, also Uniform provisions is carried out to based on the efficiency supervising device of demand response and the communication interface of power consumer side power load equipment, can be connected with any power consumer side power load equipment based on the efficiency supervising device of demand response, and to carry out the transmission of control command.When control command be control about temperature time, control command should comprise the object (refrigeration plant, heating equipment etc.) of control, temperature adjustment value, temperature adjustment value attribute (have level to regulate: using certain temperature value as unit, carry out the units that when temperature regulates, input regulates; Step-less adjustment: the adjustment carrying out temperature with certain percentage, carries out the percentage that when temperature regulates, input regulates, as temperature heightened 20 percent, turning down 30 percent).When control command is the control about valve opening degree, control command should comprise the object (valve electric actuator) of control, opening degree regulated value, opening degree regulated value attribute (have level to regulate (as valve closing, valve are opened completely); Step-less adjustment: the adjustment carrying out opening degree with certain percentage, carries out the percentage that when opening degree regulates, input regulates, as valve opening heightened 20 percent, turning down 30 percent).
Control in control strategy in automatic control and he, when performing control strategy, can control for the single control unit of power load equipment, also can control for multiple control units of power load equipment.The difference of single control that Here it is and coordinated signals.Single control, the opening with the folding degree cutting off, improve valve with electrically motorized operation, improve rotation speed of fan of such as power supply.Coordinated signals, is such as starting compressor and is improving rotation speed of fan while improving compressor motor speed to strengthen air output, to improve the folding degree of central air conditioner system return air valve, thus as soon as possible for a certain place provides cooling demand; When temperature value for another example in a certain workplace has been reduced to the preset parameter value of certain control strategy, just while the rotating speed reducing air compressor motor, the rotating speed of blower fan and the folding degree of return air valve is reduced, to ensure the comfortableness of workplace while reducing energy resource consumption.
In described step 3, equipment energy consumption property parameters comprises rated power, rated current and rated voltage.
In described step 3, the executive mode that described automatic control control strategy controls control strategy with him includes single control mode and coordinated signals mode; Described single control mode only controls for the single control unit of power consumer side power load equipment; Described coordinated signals mode controls at least two control units of power load equipment continuously.
Efficiency supervising device, by performing control strategy, produces control command, and described control command is sent to power consumer side power load equipment.
Control protocol according to unified standard produces described control command, the attribute of described control protocol to the control action corresponding to control command, the control object corresponding to control action and parameter and parameter value carries out unified definition, controls any power consumer side power load equipment to enable the control command produced according to this control protocol; Meanwhile, the communication interface of described control protocol to efficiency supervising device and power consumer side power load equipment also carries out Uniform provisions, so that efficiency supervising device is connected with power consumer side power load equipment, and carries out the transmission of control command.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (1)
1., based on an efficiency method for supervising for demand response, it is characterized in that: said method comprising the steps of:
Step 1: detect electrical parameter and thermal parameter;
Step 2: generate and receive control strategy;
Step 3: collecting device energy consumption property parameters, and perform control strategy;
In described step 1, described electrical parameter comprises basic electrical parameter and power quality parameter; Described basic electrical parameter comprises electric current, voltage, active energy and reactive energy; Described power quality parameter comprises frequency, power factor, voltage unbalance factor, current unbalance factor, voltage dithering, fundamental power and harmonic power; Described thermal parameter comprises temperature, humidity, flow, pressure, perceived noisiness, radiation and CO
2concentration;
In described step 2, control strategy comprises automatic control control strategy and he controls control strategy; Described automatic control control strategy comprises single parameter control strategy and combined parameters control strategy, and described he controls control strategy and comprises long-range DR control strategy and power consumer DR control strategy;
The control strategy that described long-range DR control strategy is issued by communication module by Utilities Electric Co. DR center or energy trustship DR center;
The Real-Time Monitoring parameter of power consumer DR center integrated power system information, the collection of efficiency supervising device and equipment energy consumption property parameters and the described power consumer DR control strategy produced;
In described step 3, equipment energy consumption property parameters comprises rated power, rated current and rated voltage;
The executive mode that described automatic control control strategy controls control strategy with him includes single control mode and coordinated signals mode; Described single control mode only controls for the single control unit of power consumer side power load equipment; Described coordinated signals mode controls at least two control units of power load equipment continuously;
Efficiency supervising device, by performing control strategy, produces control command, and described control command is sent to power consumer side power load equipment;
Control protocol according to unified standard produces described control command, the attribute of described control protocol to the control action corresponding to control command, the control object corresponding to control action and parameter and parameter value carries out unified definition, controls any power consumer side power load equipment to enable the control command produced according to this control protocol; Meanwhile, the communication interface of described control protocol to efficiency supervising device and power consumer side power load equipment also carries out Uniform provisions, so that efficiency supervising device is connected with power consumer side power load equipment, and carries out the transmission of control command.
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| CN103259335B (en) * | 2013-04-11 | 2015-05-13 | 国家电网公司 | Intelligent demand response and demand side optimizing operation system |
| CN103269070B (en) * | 2013-06-05 | 2015-05-06 | 广州中国科学院沈阳自动化研究所分所 | Automatic demand response system and automatic demand response method |
| CN103293961B (en) * | 2013-06-07 | 2015-03-25 | 天津大学 | Energy efficiency power plant modeling and integrating method based on demand response control |
| CN104218683B (en) * | 2014-10-11 | 2016-03-23 | 重庆邮电大学 | A kind of closed loop self study demand response system and method |
| CN107291026B (en) * | 2017-07-14 | 2019-08-30 | 奥奎拉（南京）电子科技有限公司 | The micro- load bus Fast synchronization control network of magnanimity and control method |
| CN111845595A (en) * | 2020-07-03 | 2020-10-30 | 湖南猎豹汽车股份有限公司 | Method for realizing driving mode calibrated by electric vehicle user |
| CN114154853B (en) * | 2021-12-02 | 2024-07-12 | 国网电力科学研究院武汉能效测评有限公司 | System and method for terminal energy consumption analysis evaluation and decision support |
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