CN105067858A - Electric energy metering method and system of distributed power generation system - Google Patents
Electric energy metering method and system of distributed power generation system Download PDFInfo
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- CN105067858A CN105067858A CN201510528209.XA CN201510528209A CN105067858A CN 105067858 A CN105067858 A CN 105067858A CN 201510528209 A CN201510528209 A CN 201510528209A CN 105067858 A CN105067858 A CN 105067858A
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Abstract
The invention discloses an electric energy metering method of a distributed power generation system. The method comprises: electric energy metering devices in all power generation systems measure active energy and reactive energy of power generating units; the corresponding active energy and reactive energy of the power generating units are received, wherein the values are sent by the electric energy metering devices; environments of all power generation systems in the distributed power generation system are monitored to obtain environment monitoring data; and according to the active power values, the reactive power values, and the environment monitoring data, power generation efficiencies are calculated. With the method, the electric energy of the distributed power generation system can be calculated accurately. In addition, the invention also discloses an electric energy metering system of a distributed power generation system.
Description
Technical field
The present invention relates to electric field, particularly a kind of method and system of electric energy metrical of distributed generation system.
Background technology
Distributed power generation refers at the less genset (generally lower than 30MW) of the on-the-spot or close electricity consumption situ configuration of user, to meet the needs of specific user, supports the economical operation of existing power distribution network, or meets the requirement of these two aspects simultaneously.These little units comprise fuel cell, small size gas turbine, and low profile photovoltaic generates electricity, small-sized wind light mutual complementing power generation, or the mixing arrangement of gas turbine and fuel cell.Owing to improve reliability of service and power quality near user.
But, how accurately to the electric energy metrical of distributed generation system, be those skilled in the art's technical issues that need to address.
Summary of the invention
The object of this invention is to provide a kind of method of electric energy metrical of distributed generation system, the method can be measured the generated energy of each electricity generation system in distributed generation system accurately, and generated electricity numerical value accurately; Another object of the present invention is to provide a kind of system of electric energy metrical of distributed generation system.
For solving the problems of the technologies described above, the invention provides a kind of method of electric energy metrical of distributed generation system, comprising:
Electric power meter in each electricity generation system is measured the active energy of generator unit and capacity of idle power;
Receive active energy numerical value and the capacity of idle power numerical value of the corresponding generator unit that electric power meter sends;
The environment of each electricity generation system in distributed generation system is monitored, obtains environmental monitoring data;
Generating efficiency is calculated according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
Wherein, also comprise:
Energy-saving and emission-reduction numerical value is calculated according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
Wherein, also comprise:
Add up the active energy numerical value and capacity of idle power numerical value and generating efficiency numerical value that obtain, and form data and curves.
Wherein, also comprise:
User identity is verified, and according to the result to the corresponding authority of user;
User is according to corresponding authority, and to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical value are modified, preserved or deletion action.
Wherein, also comprise:
According to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical generation data sheet.
The present invention also provides a kind of system of electric energy metrical of distributed generation system, comprising:
Measurement module, measures the active energy of generator unit and capacity of idle power for the electric power meter in each electricity generation system;
Receiver module, for receiving active energy numerical value and the capacity of idle power numerical value of the corresponding generator unit that electric power meter sends;
Environment monitoring module, for monitoring the environment of each electricity generation system in distributed generation system, obtains environmental monitoring data;
Generating efficiency module, for calculating generating efficiency according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
Wherein, also comprise:
Energy-saving Data module, for calculating energy-saving and emission-reduction numerical value according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
Wherein, also comprise:
Curve module, for adding up the active energy numerical value and capacity of idle power numerical value and generating efficiency numerical value that obtain, and forms data and curves.
Wherein, also comprise:
Authentication module, for verifying user identity, and according to the result to the corresponding authority of user; User is according to corresponding authority, and to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical value are modified, preserved or deletion action.
Wherein, also comprise:
Reports module, for according to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical generation data sheet.
The method of the electric energy metrical of distributed generation system provided by the present invention, comprising: the electric power meter in each electricity generation system is measured the active energy of generator unit and capacity of idle power; Receive active energy numerical value and the capacity of idle power numerical value of the corresponding generator unit that electric power meter sends; The environment of each electricity generation system in distributed generation system is monitored, obtains environmental monitoring data; Generating efficiency is calculated according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
The method is by receiving active energy numerical value and the capacity of idle power numerical value of the corresponding generator unit of electric power meter transmission, and monitor to the environment of each electricity generation system in distributed generation system, obtain environmental monitoring data, and calculate the generating efficiency of each electricity generation system according to the active energy numerical value of each electricity generation system and capacity of idle power numerical value and described environmental monitoring data.
The method can be accurate the generated energy of each electricity generation system in distributed generation system is measured, generated electricity numerical value accurately, and according to the environmental monitoring data of each electricity generation system, can accurately obtain the generating efficiency of each electricity generation system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The process flow diagram of the method for the electric energy metrical of the distributed generation system that Fig. 1 provides for the embodiment of the present invention;
The structured flowchart of the system of the electric energy metrical of the distributed generation system that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of method of electric energy metrical of distributed generation system, and the method can be measured the generated energy of each electricity generation system in distributed generation system accurately, and generated electricity numerical value accurately; Another core of the present invention is to provide a kind of system of electric energy metrical of distributed generation system.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, the process flow diagram of the method for the electric energy metrical of the distributed generation system that Fig. 1 provides for the embodiment of the present invention; The method can comprise:
Electric power meter in step s100, each electricity generation system is measured the active energy of generator unit and capacity of idle power;
Step s110, the active energy numerical value receiving the corresponding generator unit that electric power meter sends and capacity of idle power numerical value;
Wherein, because each electricity generation system in distribution electricity generation system is scattering device, therefore, in order to the electric energy measurement data of each electricity generation system of understanding that can be real-time, the electric power meter of a distributed generation system is set, the active energy numerical value of the corresponding generator unit that electric power meters all in distributed generation system can be sent and capacity of idle power numerical value.
Step s120, the environment of each electricity generation system in distributed generation system to be monitored, obtain environmental monitoring data;
Wherein, environment monitoring function mainly can comprise: the information such as built-up radiation, total scattering, wind speed, wind direction, outdoor temperature humidity, air pressure.
Not only can be understood in detail the environmental information of each electricity generation system by these data.
Step s130, calculate generating efficiency according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
Based on technique scheme, the method of the electric energy metrical of distributed generation system provided by the present invention, the method is by receiving active energy numerical value and the capacity of idle power numerical value of the corresponding generator unit of electric power meter transmission, and monitor to the environment of each electricity generation system in distributed generation system, obtain environmental monitoring data, and calculate the generating efficiency of each electricity generation system according to the active energy numerical value of each electricity generation system and capacity of idle power numerical value and described environmental monitoring data.The method can be accurate the generated energy of each electricity generation system in distributed generation system is measured, generated electricity numerical value accurately, and according to the environmental monitoring data of each electricity generation system, can accurately obtain the generating efficiency of each electricity generation system.
Preferably, the embodiment of the present invention provides another said method to comprise:
Energy-saving and emission-reduction numerical value is calculated according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
Wherein, the data providing the energy-saving and emission-reduction numerical value of acquisition etc. important can to the performance vital role improving distributed generation system.
Preferably, the embodiment of the present invention provides a said method again to comprise:
Add up the active energy numerical value and capacity of idle power numerical value and generating efficiency numerical value that obtain, and form data and curves.
Wherein, by adding up the active energy numerical value and capacity of idle power numerical value and generating efficiency numerical value that obtain, and form data and curves, the technician that makes that like this can be convenient grasps electricity and the generating efficiency numerical value situation of each electricity generation system, and also can carry out an estimation to later electricity and generating efficiency numerical value condition according to data and curves.Also some generated energy data trends in power station can be found out from the data and curves of each electricity generation system.
Preferably, the embodiment of the present invention provides another said method to comprise:
User identity is verified, and according to the result to the corresponding authority of user;
User is according to corresponding authority, and to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical value are modified, preserved or deletion action.
Wherein, user's rights of using of the system of the electric energy metrical of this distributed generation system are also have certain restriction.Them are given different rights of using according to the rank of user.The user such as had is only to check these data, and some users directly can carry out certain operations to these data, such as, delete, preservation etc.
According to giving the safety that different authorities can ensure system to different users, prevent the leakage of data.
Each embodiment above-mentioned can also comprise:
According to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical generation data sheet.
Wherein, such as can be within a predetermined period of time, to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical generation data sheet, technician can be made to carry out deep analysis to these data, by the working condition recording the electricity generation system in (such as a season) in the whole time period that data list also can be clear, complete.
Based on technique scheme, the method of the electric energy metrical of the distributed generation system that the embodiment of the present invention provides, the method can be accurate the generated energy of each electricity generation system in distributed generation system is measured, generated electricity numerical value accurately, and according to the environmental monitoring data of each electricity generation system, can accurately obtain the generating efficiency of each electricity generation system.Clear, complete data list can also be provided, so that technician analyzes.Also in order to the safety of system, priority assignation is carried out to user.
Embodiments provide the method for the electric energy metrical of distributed generation system, can be measured the electric energy of distributed generation system accurately by said method.
Be introduced the system of the electric energy metrical of the distributed generation system that the embodiment of the present invention provides below, the system of the electric energy metrical of distributed generation system described below can mutual corresponding reference with the method for the electric energy metrical of above-described distributed generation system.
Please refer to Fig. 2, the structured flowchart of the system of the electric energy metrical of the distributed generation system that Fig. 2 provides for the embodiment of the present invention, this system can comprise:
Measurement module 100, measures the active energy of generator unit and capacity of idle power for the electric power meter in each electricity generation system;
Receiver module 200, for receiving active energy numerical value and the capacity of idle power numerical value of the corresponding generator unit that electric power meter sends;
Environment monitoring module 300, for monitoring the environment of each electricity generation system in distributed generation system, obtains environmental monitoring data;
Generating efficiency module 400, for calculating generating efficiency according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
Preferably, the embodiment of the present invention provides another said system to comprise:
Energy-saving Data module, for calculating energy-saving and emission-reduction numerical value according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
Preferably, the embodiment of the present invention provides a said system again to comprise:
Curve module, for adding up the active energy numerical value and capacity of idle power numerical value and generating efficiency numerical value that obtain, and forms data and curves.
Preferably, the embodiment of the present invention provides another said system to comprise:
Authentication module, for verifying user identity, and according to the result to the corresponding authority of user; User is according to corresponding authority, and to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical value are modified, preserved or deletion action.
Preferably, each embodiment above-mentioned can also comprise:
Reports module, for according to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical generation data sheet.
In instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Professional can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above the method and system of the electric energy metrical of distributed generation system provided by the present invention are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a method for the electric energy metrical of distributed generation system, is characterized in that, comprising:
Electric power meter in each electricity generation system is measured the active energy of generator unit and capacity of idle power;
Receive active energy numerical value and the capacity of idle power numerical value of the corresponding generator unit that electric power meter sends;
The environment of each electricity generation system in distributed generation system is monitored, obtains environmental monitoring data;
Generating efficiency is calculated according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
2. the method for claim 1, is characterized in that, also comprises:
Energy-saving and emission-reduction numerical value is calculated according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
3. method as claimed in claim 2, is characterized in that, also comprise:
Add up the active energy numerical value and capacity of idle power numerical value and generating efficiency numerical value that obtain, and form data and curves.
4. method as claimed in claim 3, is characterized in that, also comprise:
User identity is verified, and according to the result to the corresponding authority of user;
User is according to corresponding authority, and to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical value are modified, preserved or deletion action.
5. method as claimed in claim 4, is characterized in that, also comprise:
According to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical generation data sheet.
6. a system for the electric energy metrical of distributed generation system, is characterized in that, comprising:
Measurement module, measures the active energy of generator unit and capacity of idle power for the electric power meter in each electricity generation system;
Receiver module, for receiving active energy numerical value and the capacity of idle power numerical value of the corresponding generator unit that electric power meter sends;
Environment monitoring module, for monitoring the environment of each electricity generation system in distributed generation system, obtains environmental monitoring data;
Generating efficiency module, for calculating generating efficiency according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
7. system as claimed in claim 6, is characterized in that, also comprise:
Energy-saving Data module, for calculating energy-saving and emission-reduction numerical value according to described active energy numerical value and capacity of idle power numerical value and described environmental monitoring data.
8. system as claimed in claim 7, is characterized in that, also comprise:
Curve module, for adding up the active energy numerical value and capacity of idle power numerical value and generating efficiency numerical value that obtain, and forms data and curves.
9. system as claimed in claim 8, is characterized in that, also comprise:
Authentication module, for verifying user identity, and according to the result to the corresponding authority of user; User is according to corresponding authority, and to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical value are modified, preserved or deletion action.
10. system as claimed in claim 9, is characterized in that, also comprise:
Reports module, for according to described active energy numerical value and capacity of idle power numerical value, described environmental monitoring data and generating efficiency numerical generation data sheet.
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| CN201510528209.XA CN105067858A (en) | 2015-08-25 | 2015-08-25 | Electric energy metering method and system of distributed power generation system |
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| CN201510528209.XA CN105067858A (en) | 2015-08-25 | 2015-08-25 | Electric energy metering method and system of distributed power generation system |
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Application publication date: 20151118 |