CN102882276A - Energy efficiency monitoring method based on demand response - Google Patents
Energy efficiency monitoring method based on demand response Download PDFInfo
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- CN102882276A CN102882276A CN2012103400596A CN201210340059A CN102882276A CN 102882276 A CN102882276 A CN 102882276A CN 2012103400596 A CN2012103400596 A CN 2012103400596A CN 201210340059 A CN201210340059 A CN 201210340059A CN 102882276 A CN102882276 A CN 102882276A
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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
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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 and detect the control technology field, be specifically related to a kind of efficiency method for supervising based on demand response.
Background technology
For a long time, the human being's production life relies on traditional energy always, and in a large number, constantly consuming of traditional energy caused being on the rise of energy crisis.Many countries all utilize regenerative resource at active development in the world, wish to come alleviating energy crisis by regenerative resource.But the utilization of regenerative resource and natural environment have close ties, and when utilizing regenerative resource to generate electricity, the environmental change meeting causes network load to change, and therefore need to adjust power load according to the variation of network load, to guarantee power system security.
At present, the most of electricity generation system of China still relies on the consumption of traditional energy, in order to satisfy the demand of peak load of grid, electric power system need to be paid huge repeated construction cost with the response peak load, guarantee power system security with this, but when the electrical network low ebb was loaded, this part electric energy wasted again.Utilize advanced means, stabilize network load, reduce peak load of grid, improve the low ebb load, for improving efficiency of energy utilization, reduce the power grid construction cost, significant.
In numerous energy-saving and emission-reduction measures that country formulates and implements, the Energy Labeling of promoting power load equipment also is in order to improve the efficiency of energy utilization of power load equipment.There is building EMS BEMS a lot of heavy construction facility inside, be used for monitoring the power consumption situation of each power load equipment in the Architectural Equipment, and control for concrete power load equipment, reduce energy resource consumption in the building with this, improve efficiency of energy utilization.
The 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, realization is to connection and the cutting-off controlling of power consumer side power load device power supply (DPS), simultaneously can be in conjunction with the usefulness energy situation of power consumer side power load equipment, relevant control unit in the power load equipment is carried out continuous opening degree control, level, step-less adjustment are arranged, improved like this flexibility of demand response control, do not affecting power consumer basic production life, guarantee to have carried out demand response control under the prerequisite of electricity consumption comfort level.
In order to realize the foregoing invention purpose, the present invention takes following technical scheme:
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 carry out control strategy.
In the 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 degree, 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 the described step 2, control strategy comprises that 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 the described step 3, the equipment energy consumption property parameters comprises rated power, rated current and rated voltage.
In the described step 3, described automatic control control strategy includes single control mode and interlock control mode with the executive mode that he controls control strategy; Described single control mode is only controlled for the single control unit of power consumer side power load equipment; Described interlock control mode is controlled at least two control units of power load equipment continuously.
The efficiency supervising device produces control command by carrying out control strategy, and described control command is sent to power consumer side power load equipment.
Control protocol according to unified standard produces described control command, described control protocol is carried out unified definition to the attribute of the corresponding control action of control command, the corresponding control object of control action and parameter and parameter value, so that can control any power consumer side power load equipment according to the control command of this control protocol generation; Simultaneously, described control protocol is also unified regulation to the communication interface of efficiency supervising device and power consumer side power load equipment, so that the 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 comprised electrical parameter, the thermal parameter of power consumer side power load equipment, the thermal parameter that has comprised simultaneously power load equipment place environment, and the equipment energy consumption property parameters, for the formulation of demand response control strategy provides more foundation;
2. realize connection and cutting-off controlling to power consumer side power load device power supply (DPS), simultaneously can be in conjunction with the usefulness energy situation of power consumer side power load equipment, relevant control unit in the power load equipment is carried out continuous opening degree control, level, step-less adjustment are arranged, improved like this flexibility of demand response control, do not affecting power consumer basic production life, guaranteeing to have carried out demand response control under the prerequisite of electricity consumption comfort level;
3. realize the monitoring of the needed relevant parameter of dsm, can carry out again demand response control.
Description of drawings
Fig. 1 is based on the efficiency method for supervising flow chart of demand response;
Fig. 2 is based on the efficiency method for supervising embodiment flow chart of demand response;
Fig. 3 is that he controls the control strategy flowchart;
Fig. 4 is the Automatic Control Strategy flowchart.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Such 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 carry out control strategy.
In the 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 degree, 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 consumer side power load equipment place; The electric energy metering module of efficiency supervising device and thermal technology measure the parameter acquisition module and directly send the analog quantity that gathers to master controller, send master controller to after perhaps being converted to digital signal, the value of relevant parameter processed, analyzes and store by master controller to these signals.
As shown in Figure 2, based on the efficiency method for supervising schematic diagram of demand response, comprise altogether Utilities Electric Co., energy trustship, communication network, power consumer four parts.
Wherein Utilities Electric Co. some functions are partly arranged is optional, its effect is entrusted by power consumer DR center to carry out dsm, carries out DR control function, generates the DR control strategy according to relevant information.Utilities Electric Co.'s topmost function in DR center is to issue power system information by communication network; If when accepting the trust execution DR control function at power consumer DR center, need to receive relevant real-time parameter, the equipment energy consumption property parameters that upload 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 not having the trust at power consumer DR center, a function is only arranged, namely issue power system information by communication network.
Energy trustship part is optional on the whole, i.e. energy trustship DR center is to carry out dsm by accepting the trust of power consumer DR center, carries out DR control function, generates the DR control strategy according to relevant information.When the trust of power consumer DR center was not accepted at energy trustship DR center, content relevant with energy trustship DR center in Fig. 2 was non-existent; When the trust of power consumer DR center is accepted at energy trustship DR center, energy trustship DR center receives the power system information that Utilities Electric Co. DR center issues by communication network, and each real-time parameter, the equipment energy consumption property parameters 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.
The main telecommunication of being responsible between power consumer DR center, Utilities Electric Co. DR center, the energy trustship DR center three of communication network part connects;
The 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 to carry out DR control function, and the energy trustship DR center among Fig. 2 and the part that all dot all do not exist.At this moment, the power system information that power consumer DR center issues according to Utilities Electric Co. DR center, the relevant real-time parameter that is gathered by demand response efficiency supervising device, equipment energy consumption property parameters besides, analysis-by-synthesis generates power consumer DR control strategy.When power consumer DR center entrusts Utilities Electric Co. DR center or energy trustship DR center to carry out DR control function, will be by the relevant real-time parameter of demand response efficiency supervising device collection, the equipment energy consumption property parameters is uploaded to the DR center of being entrusted by power consumer DR center by communication network, then receive the long-range DR control strategy that corresponding DR center issues by communication network, be issued to demand response efficiency supervising device by power consumer DR center.
In the described step 2, control strategy comprises that 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.
The execution flow process that he controls control strategy as shown in Figure 3, when the mind-set energy monitoring device sends power consumer DR control strategy in by power consumer DR, the efficiency supervising device takes timing mode (being generally 15 minutes) to electrical parameter, the thermal parameter of the storage of power consumer DR central transmission, so that using of power consumer DR center analysis user side power load equipment can situation.Simultaneously, above-mentioned parameter also can initiatively be called to the efficiency supervising device according to the needs of power consumer DR control strategy in power consumer DR center.The formulation of power consumer DR control strategy is according to power system information, according to the description of power system information to DR, user side equipment energy consumption property parameters in conjunction with the collection of power consumer DR center, the electrician of Real-Time Monitoring, thermal parameter, generate corresponding power consumer DR control strategy, and power consumer DR control strategy is sent to the efficiency supervising device, by the efficiency supervising device according to the power consumer DR control strategy execution control function that receives.
When being positioned at the efficiency supervising device receiving remote DR control strategy of power consumer side, be divided into again two kinds of situations: the one, issue long-range DR control strategy by Utilities Electric Co. DR center by communication network, the 2nd, by energy trustship DR center on behalf of issuing long-range DR control strategy; When issuing the DR control strategy by Utilities Electric Co. DR center, Utilities Electric Co. DR center receives real time electrical parameter, the thermal parameter of being 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 the DR of Utilities Electric Co. 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 the efficiency supervising device.When issuing the DR control strategy by energy trustship DR center, energy trustship DR center receives real time electrical parameter, the thermal parameter of being uploaded by power consumer DR center by communication network, power consumer side apparatus energy consumption property parameters, and receive the power system information that Utilities Electric Co. DR center issues 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 the efficiency supervising device.
The target that he controls the control strategy formulation is exactly in order to cooperate each DR center, to respond the demand for control at DR center, with this purpose that reaches demand response, stabilize network load, improving the efficiency of energy utilization of electric power system.
No matter being Long-distance Control strategy or local control strategy, all is in order to realize two purposes: the one, and the power load of reduction user side power load equipment; The 2nd, the power load of raising user side power load equipment.The control strategy of relevant reduction power load mainly comprises: the power supply that cuts off power load equipment; The adjusting of the folding degree of the relevant control unit of power load equipment or control device in the power load equipment power-on situation.The control strategy of relevant raising power load mainly comprises: the power supply of connecting power load equipment; The adjusting of the relevant control unit of power load equipment or the folding degree of control device.Adjusting to the folding degree of the relevant control unit of power load equipment or control device mainly comprises: the opening degree of electric valve for pipeline door is regulated, the adjusting of the settings of the adjusting of the temperature settings of thermostat, rotation speed of fan controller.
As shown in Figure 4, the efficiency supervising device can according to the user side power load equipment corresponding with it, set in advance the automatic control control strategy by power consumer DR center, and set in advance related parameter values according to the automatic control control strategy when mounted.The energy efficiency monitoring device is according to the relevant parameter that collects, compares with related parameter values in the default automatic control control strategy.If when certain single parameter value met single parameter value requirement default in a certain automatic control control strategy, just carry out this automatic control control strategy, this automatic control control strategy also was called the single parameter control strategy; If when certain several parameter value met in a certain automatic control control strategy one or more requirement the in default several parameter values, just carry out this automatic control control strategy, this automatic control control strategy also was called the combined parameters control strategy.
The target that the automatic control control strategy is formulated is protection power load equipment, improves the efficiency of energy utilization of user's side power load equipment, reduces user's energy expenditure.When carrying out the single parameter control strategy, as long as there is a parameter to meet the preset value requirement, just carry out this control strategy, raise such as user's side power load device power supply (DPS) loop current value suddenly, when exceeding preset value, control strategy will be carried out immediately, cut off the power supply of power load equipment.When carrying out the combined parameters control strategy, as long as have a certain or a few parameters to meet the preset value requirement, just carry out this control strategy, if the workshop temperature at 25 degrees centigrade, and humidity value is when surpassing 90%, air-conditioning system need to be opened dehumidification function; If the workshop temperature between 28 ~ 29 degrees centigrade, and air humidity maintain 60% ~ 70% between the time, air-conditioning system need to opened dehumidification function simultaneously, starts compressor and freezes.Same workshop is why when humidity is larger, and the former is not activated compressor cooling and the latter starts compressor cooling, and this set point with relevant parameter in the combined parameters control strategy is closely bound up.
Efficiency supervising device based on demand response passes through to carry out the relevant control strategy, produces control command, is sent to power load equipment by unified mode.The generation of control command should be according to the control protocol of unified standard, this control protocol should be to the corresponding control action of control command, the corresponding control object of control action and parameter, the attribute of parameter value carries out unified definition, so that can control any power consumer side power load equipment according to the control command of this control protocol generation.Simultaneously, to also unifying regulation based on the efficiency supervising device of demand response and the communication interface of power consumer side power load equipment, so that the efficiency supervising device based on demand response can be connected with any power consumer side power load equipment, and carries out the transmission of control command.When control command is when controlling about temperature, object (refrigeration plant, heating equipment etc.), adjustment value, adjustment value attribute that control command should comprise control (have level to regulate: as unit, to input the units of regulating with certain temperature value when carrying out adjustment; Step-less adjustment: carry out the adjusting of temperature with certain percentage, the percentage that input is regulated when carrying out adjustment is as heightening temperature 20 percent, turning down 30 percent).When control command was control about the valve opening degree, object (valve electric actuator), opening degree regulated value, opening degree regulated value attribute that control command should comprise control (had level to regulate (opening fully such as valve closing, valve); Step-less adjustment: carry out the adjusting of opening degree with certain percentage, carry out inputting the percentage of regulating when opening degree is regulated, as valve opening being heightened 20 percent, being turned down 30 percent).
Control in the control strategy in automatic control and he, when carrying out control strategy, can control for the single control unit of power load equipment, also can control for a plurality of control units of power load equipment.Single control that Here it is and the difference that links and control.Single control is such as opening of power supply and the folding degree of cutting off, improve valve with electrically motorized operation, improve rotation speed of fan.Link and control, such as the folding degree of raising rotation speed of fan when starting compressor and improving compressor motor speed with increasing air output, raising central air conditioner system return air valve, thereby provide the cooling demand for a certain place as soon as possible; When the temperature value in a certain workplace has been reduced to the preset parameter value of certain control strategy for another example, just in the rotating speed that reduces air compressor motor, reduce the rotating speed of blower fan and the folding degree of return air valve, when reducing energy resource consumption, to guarantee the comfortableness of workplace.
In the described step 3, the equipment energy consumption property parameters comprises rated power, rated current and rated voltage.
In the described step 3, described automatic control control strategy includes single control mode and interlock control mode with the executive mode that he controls control strategy; Described single control mode is only controlled for the single control unit of power consumer side power load equipment; Described interlock control mode is controlled at least two control units of power load equipment continuously.
The efficiency supervising device produces control command by carrying out control strategy, and described control command is sent to power consumer side power load equipment.
Control protocol according to unified standard produces described control command, described control protocol is carried out unified definition to the attribute of the corresponding control action of control command, the corresponding control object of control action and parameter and parameter value, so that can control any power consumer side power load equipment according to the control command of this control protocol generation; Simultaneously, described control protocol is also unified regulation to the communication interface of efficiency supervising device and power consumer side power load equipment, so that the efficiency supervising device is connected with power consumer side power load equipment, and carries out the transmission of control command.
Should be noted that at last: 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 the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. efficiency method for supervising based on demand response 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 carry out control strategy.
2. the efficiency method for supervising based on demand response according to claim 1, it is characterized in that: in the 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 degree, 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.
3. the efficiency method for supervising based on demand response according to claim 1 is characterized in that: in the described step 2, control strategy comprises that 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.
4. the efficiency method for supervising based on demand response according to claim 3 is characterized in that: 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.
5. the efficiency method for supervising based on demand response according to claim 1, it is characterized in that: in the described step 3, the equipment energy consumption property parameters comprises rated power, rated current and rated voltage.
6. the efficiency method for supervising based on demand response according to claim 1 is characterized in that: in the described step 3, the executive mode that described automatic control control strategy and he are controlled control strategy includes single control mode and interlock control mode; Described single control mode is only controlled for the single control unit of power consumer side power load equipment; Described interlock control mode is controlled at least two control units of power load equipment continuously.
7. the efficiency method for supervising based on demand response according to claim 1 is characterized in that: the efficiency supervising device produces control command by carrying out control strategy, and described control command is sent to power consumer side power load equipment.
8. the efficiency method for supervising based on demand response according to claim 7, it is characterized in that: the control protocol according to unified standard produces described control command, described control protocol is carried out unified definition to the attribute of the corresponding control action of control command, the corresponding control object of control action and parameter and parameter value, so that can control any power consumer side power load equipment according to the control command of this control protocol generation; Simultaneously, described control protocol is also unified regulation to the communication interface of efficiency supervising device and power consumer side power load equipment, so that the efficiency supervising device is connected with power consumer side power load equipment, and carries out the transmission of control command.
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| CN103259335A (en) * | 2013-04-11 | 2013-08-21 | 国家电网公司 | Intelligent demand response and demand side optimizing operation system |
| CN103269070A (en) * | 2013-06-05 | 2013-08-28 | 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 |
| CN103293961A (en) * | 2013-06-07 | 2013-09-11 | 天津大学 | Energy efficiency power plant modeling and integrating method based on demand response control |
| CN104218683A (en) * | 2014-10-11 | 2014-12-17 | 重庆邮电大学 | Closed-loop self-learning demand response system and method |
| CN107291026A (en) * | 2017-07-14 | 2017-10-24 | 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 |
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| 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 |
| CN114154853A (en) * | 2021-12-02 | 2022-03-08 | 国网电力科学研究院武汉能效测评有限公司 | System and method for analyzing, evaluating and decision-making support of terminal energy consumption |
| 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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