CN104135425A - Instant power plant and power grid interaction method of real-time generation schedule based on safe zone II - Google Patents
Instant power plant and power grid interaction method of real-time generation schedule based on safe zone II Download PDFInfo
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- CN104135425A CN104135425A CN201410321842.7A CN201410321842A CN104135425A CN 104135425 A CN104135425 A CN 104135425A CN 201410321842 A CN201410321842 A CN 201410321842A CN 104135425 A CN104135425 A CN 104135425A
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Abstract
The invention discloses an instant power plant and power grid interaction method of a real-time power generation schedule based on a safe zone II. The instant power plant and power grid interaction method comprises the following steps that: firstly, master station service of the zone II and power plant service of the zone II are constructed; secondly, after the master station service of the zone II receives request message information, future multi-period generation schedule curves are issued to an on-duty channel of each target power plant based on an extended DL634.5104-2002 stipulation; thirdly, after a message is received, planning data is analyzed, is subjected to local storage and signal conversion, and is transmitted to a DCS (Data Communication S system) of the power plant, and meanwhile, a mirror image confirmation message of the power plant is returned to the master station service of the zone II; fourthly, after the master station service of the zone II receives the mirror image confirmation message, data interaction state correctness is analyzed and judged; and lastly, the real-time power generation schedule applies the confirmation state returned according to the master station service of the zone II as the basis of judging whether the power plant receives a planned value correctly and participates in examination.
Description
Technical field
The present invention relates to a kind of instant factory of real-time generation schedule net exchange method based on safe II district, belong to electric power system factory network data interaction technique field.
Background technology
The intelligent grid supporting system technology network architecture is generally divided into safe I, II, III district, safe I district disposes monitoring in real time and disposes the application of operation plan class and the application of Security Checking class with the application of early warning class, safe II district, and safe III district disposes the application of dispatching management class.
Control centre needs first to form planning data file cocurrent and delivers to safe I district or the issue of safe III district Zai Dui power plant after safe II district carries out generation schedule establishment at present.Traditional generation schedule factory net interactive mode based on safe I district or safe III district comprises following several: (1) control centre issues each power plant's Plan Curve by website, safe III district, and each power plant downloads voluntarily to appointed website; (2) control centre issues each power plant's project documentation by safe III district's power scheduling network or special line passage, power plant's download work station that maps out the plan; (3) control centre issues Plan Curve by safe I district EMS system telecontrol channel, and the RTU of power plant receives Plan Curve.
Along with the real-time generation schedule on-line running of intelligent grid supporting system technology and non-AGC unit, do not throw the demand that AGC function unit participates in closed-loop control, mutual real-time, stability and the higher requirement of interactive proposition are netted to by real-time plan factory.
Summary of the invention
The deficiency existing for prior art, the object of the invention is to provide a kind of instant factory of real-time generation schedule net exchange method based on safe II district, has instant, stable, reliable feature.
To achieve these goals, the present invention realizes by the following technical solutions:
The instant factory of real-time generation schedule net exchange method based on safe II district of the present invention, specifically comprises following step:
(1) build the control centre's Communications service based on safe II district, be called for short the service of II district main website:
Control centre's Communications service, based on the safe II of intelligent grid supporting system technology district, is responsible for control centre and the real-time generation schedule data communication Processing tasks between power plant under each;
(2) build the power plant's Communications service based on safe II district, be called for short the plant stand service of II district:
Power plant's Communications service, based on the safe II of intelligent grid supporting system technology district, is responsible for the generation schedule data communication Processing tasks of power plant and control centre and Power Plant DCS System;
(3) define the message interacting message standard of real-time generation schedule application YuII district main website service, generation schedule application transmission plan in real time issues the service of request message message DaoII district main website;
(4) main website service reception in II district configures according to power plant's communication after request message message, and the DL634.5104-2002 stipulations of employing based on expansion issue the passage on duty of multi-period generation schedulecurve Xiang Ge target power plant in future; Relative other stipulations, these stipulations realize following multi-period real-time generation schedulecurve by expansion and issue more convenient.
(5) after the real-time generation schedule downward message of II district plant stand service reception DaoII district main website service, resolve planning data, planning data is carried out to digital-to-analogue conversion and become successive steps formula current signal and transfer to Power Plant DCS System, power plant's mirror image confirmation message is returned to the service of II district main website simultaneously;
After the mirror image confirmation message that main website service reception in II district returns to power plant, carry out the judgement of data interaction mode Correctness Analysis, and acknowledgement state is sent to real-time generation schedule application with message mode;
The foundation whether acknowledgement state that generation schedule application is in real time returned according to the plant stand service of II district correctly receives real-time generation schedulecurve as target power plant and whether participate in examination.
In step (1), main website service in II district realizes and comprises that tissue parsing, the coding and decoding of passage, the supervision preservation of communication packet, the equipment state of generation schedule information exchange, command routing, stipulations monitor and data maintenance management function.
In step (2), plant stand service in II district realizes and comprises that generation schedule message receives parsing, mirror image message returns to confirmation, Stateful Inspection and troubleshooting and signal conversion and transfer function.
In step (3), the attribute kit of message interacting message standard is containing request time, request type, planned time, machine group objects and planned value, supports one by one or many planned value group bags send and message is returned to acknowledgement state.
In step (4), select to issue planned value by amplifying message Class1 37,138, distribute a fixed address to each planned value, since 0: 0 until 23: 55, have 288 amounts altogether, wherein:
CON<137>: the transmission of target Plan Curve, normalization value C_SE_TD_1 during band CP56Time2a;
CON<138>: the transmission of target Plan Curve, short floating-point number C_SE_TF_1 during band CP56Time2a;
When selecting to issue planned value by amplifying message Class1 37,
A plurality of information objects (SQ=0) message transmission structure is:
C_SE_TD_1∶＝CP{Data?unit?identifier,(information?object?address,NVA),QOS,CP56Time2a}
The message transmission structure of a plurality of information objects (SQ=1):
C_SE_TD_1∶＝CP{Data?unit?identifier,information?object?address,(NVA),QOS,CP56Time2a}
When selecting to issue planned value by amplifying message Class1 38,
The message transmission structure of a plurality of information objects (SQ=0):
C_SE_TF_1∶＝CP{Data?unit?identifier,(information?object?address,IEEE?STD754),QOS,CP56Time2a}
The message transmission structure of a plurality of information objects (SQ=1):
C_SE_TD_1∶＝CP{Data?unit?identifier,information?object?address,(IEEE?STD754),QOS,CP56Time2a}
In step (5), control centre receives that to carry out the method for state analysis judgement after the mirror image confirmation message that power plant returns as follows:
The mirror image confirmation message that main website service in II district is returned according to the plant stand service of II district judges whether target power plant has correctly received Plan Curve, if the planned value in mirror image confirmation message with issue inconsistent, be judged as the incorrect Plan Curve that receives of power plant, otherwise be correct reception, and acknowledgement state is returned to real-time generation schedule application.
(1) the DL634.5104-2002 stipulations of this method based on intelligent grid supporting system technology safe II district and expansion design, and realize real-time generation schedulecurve and immediately issue, and have very high real-time and stability;
(2) this method has data image verification and the auto state affirmation mechanism that real-time generation schedule issues, and meets real-time generation schedule factory and nets mutual automation, the interactive and clear positioning requirements of plan examination responsibility;
(3) this method has stronger versatility, observes message message structure that the present invention proposes and communication protocol and meets the various control centres application software of intelligent grid supporting system technology technical specification and power plant's receiver all can meet software or the hardware device requirement that real-time plan factory net interactive system is built.
Accompanying drawing explanation
Fig. 1 is a kind of instant factory of real-time generation schedule net interaction data flow chart based on safe II district of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
Referring to Fig. 1, the invention provides a kind of instant factory of real-time generation schedule net exchange method based on safe II district, its core is to observe under the prerequisite of intelligent grid supporting system technology technical specification and DL634.5104-2002 stipulation structure, proposes to realize the instant factory of real-time generation schedule net interaction technique scheme based on safe II district and by the network stipulations of expanding.
This method comprises the steps:
(1) build the control centre's Communications service based on safe II district
The control centre Communications service (be called for short II district main website service) of structure based on the safe II of intelligent grid supporting system technology district, be responsible for the real-time generation schedule data communication Processing tasks between control centre and each affiliated power plant, realize the tissue parsing, the coding and decoding of passage, the functions such as the supervision preservation of communication packet, equipment state supervision, data maintenance management that comprise generation schedule information exchange, command routing, stipulations.
(2) build the power plant's Communications service based on safe II district
The power plant Communications service (be called for short II district plant stand service) of structure based on the safe II of intelligent grid supporting system technology district, the generation schedule data communication Processing tasks of responsible power plant and control centre, Power Plant DCS System, realizes and comprises that generation schedule message receives parsing, mirror image message returns to the functions such as confirmation, Stateful Inspection and troubleshooting, signal conversion and transmission.
(3) application of definition generation schedule and main website Communications service message specification
The exchanges data of generation schedule application YuII district main website service in real time carries out message transmission by intelligent grid supporting system technology messaging bus and message subscribing manner is realized, and need to pre-define message interacting message standard.This message message specification attribute mainly comprises request time, request type, planned time, machine group objects, planned value etc., supports one by one or many planned value group bags send and message is returned to acknowledgement state.
(4) the mutual communication protocol of control centre and power plant
Observing under the prerequisite of DL634.5104-2002 stipulation structure, in order to meet the instant factory of real-time generation schedule, net mutual actual demand, expand the transmitting order to lower levels of Plan Curve, and made clear and definite regulation for transmission both sides' role, flow process and significant process.Selection issues planned value by amplifying message Class1 37,138, distributes a fixed address to each planned value, since 0: 0 until 23: 55, has 288 amounts altogether, wherein:
CON<137>: the transmission of target Plan Curve, normalization value C_SE_TD_1 during band CP56Time2a
CON<138>: the transmission of target Plan Curve, short floating-point number C_SE_TF_1 during band CP56Time2a
A) Plan Curve transmits (type identification 137:C_SE_TD_1)
Band CP56Time2a markers Plan Curve transmits order, normalization value
A plurality of information objects (SQ=0) message transmission structure:
C_SE_TD_1∶＝CP{Data?unit?identifier,(information?object?address,NVA),QOS,CP56Time2a}
The message transmission structure of a plurality of information objects (SQ=1):
C_SE_TD_1∶＝CP{Data?unit?identifier,information?object?address,(NVA),QOS,CP56Time2a}
B) Plan Curve transmits (type identification 138:C_SE_TF_1)
Band CP56Time2a markers Plan Curve transmits order, short floating-point number
The message transmission structure of a plurality of information objects (SQ=0):
C_SE_TF_1∶＝CP{Data?unit?identifier,(information?object?address,IEEE?STD754),QOS,CP56Time2a}
The message transmission structure of a plurality of information objects (SQ=1):
C_SE_TD_1∶＝CP{Data?unit?identifier,information?object?address,(IEEE?STD754),QOS,CP56Time2a}
The Plan Curve mirror image confirmation message that main website service in II district is returned according to power plant judges whether power plant has correctly received Plan Curve, if the planned value in mirror image confirmation message with issue inconsistent, be judged to power plant and there is no positive acknowledgement planned value, otherwise be correct reception, acknowledgement state is returned to real-time generation schedule application simultaneously, then by real-time intended application, determined whether to plan to re-issue, whether include in concrete processing the such as power plant's examination.
Method of the present invention has following characteristics and function:
(1) the DL634.5104-2002 stipulations of this method based on intelligent grid supporting system technology safe II district and expansion design, and realize real-time generation schedulecurve and immediately issue, and have very high real-time and stability.
(2) this method has data image verification and the auto state affirmation mechanism that real-time generation schedule issues, and meets real-time generation schedule factory and nets mutual automation, the interactive and clear positioning requirements of plan examination responsibility.
(3) this method has stronger versatility, observes message message structure that the present invention proposes and expansion communication protocol and meets the various control centres application software of intelligent grid supporting system technology technical specification and power plant's receiver all can meet software or the hardware device requirement that real-time plan factory net interactive system is built.
Handling process of the present invention is:
1) after generation schedule automatic cycle has calculated in real time, trigger transmission plan and issue the service of request message message DaoII district main website.
2) main website service reception in II district configures according to power plant's communication after real-time generation schedule application request message message, and the DL634.5104-2002 stipulations of employing based on expansion issue the passage on duty of multi-period generation schedulecurve Xiang Ge target power plant in future.
3) the real-time generation schedule downward message of II district plant stand service reception DaoII district main website service, resolve planning data and local stores processor, signal conversion and the concurrent Power Plant DCS System of sending of transmission, power plant's mirror image confirmation message is returned to the service of II district main website simultaneously.
4) main website service reception in II district carries out the judgement of data interaction mode Correctness Analysis and sends to real-time generation schedule application with message mode after power plant's confirmation message.
5) foundation that whether the power plant's acknowledgement state that service is returned according to II district main website of generation schedule application in real time correctly receives planned value as power plant and whether participate in examination.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. the instant factory of the real-time generation schedule net exchange method based on safe II district, is characterized in that, specifically comprises following step:
(1) build the control centre's Communications service based on safe II district, be called for short the service of II district main website:
The Communications service of described control centre, based on the safe II of intelligent grid supporting system technology district, is responsible for control centre and the real-time generation schedule data communication Processing tasks between power plant under each;
(2) build the power plant's Communications service based on safe II district, be called for short the plant stand service of II district:
The Communications service of described power plant, based on the safe II of intelligent grid supporting system technology district, is responsible for the generation schedule data communication Processing tasks of power plant and control centre and Power Plant DCS System;
(3) define the message interacting message standard of real-time generation schedule application YuII district main website service, described real-time generation schedule application transmission plan issues request message message to the service of described II district main website;
(4) main website service reception in described II district configures according to power plant's communication after request message message, and the DL634.5104-2002 stipulations of employing based on expansion issue the passage on duty of multi-period generation schedulecurve Xiang Ge target power plant in future;
(5) after the real-time generation schedule downward message of plant stand service reception DaoII district, described II district main website service, resolve planning data, planning data is carried out to digital-to-analogue conversion and become successive steps formula current signal and transfer to described Power Plant DCS System, power plant's mirror image confirmation message is returned to the service of II district main website simultaneously;
After the mirror image confirmation message that main website service reception in described II district returns to power plant, carry out the judgement of data interaction mode Correctness Analysis, and acknowledgement state is sent to real-time generation schedule application with message mode;
The foundation whether acknowledgement state that described real-time generation schedule application is returned according to the plant stand service of II district correctly receives real-time generation schedulecurve as target power plant and whether participate in examination.
2. the instant factory of the real-time generation schedule net exchange method based on safe II district according to claim 1, is characterized in that,
In step (1), main website service in described II district realizes and comprises that tissue parsing, the coding and decoding of passage, the supervision preservation of communication packet, the equipment state of generation schedule information exchange, command routing, stipulations monitor and data maintenance management function.
3. the instant factory of the real-time generation schedule net exchange method based on safe II district according to claim 2, is characterized in that,
In step (2), plant stand service in described II district realizes and comprises that generation schedule message receives parsing, mirror image message returns to confirmation, Stateful Inspection and troubleshooting and signal conversion and transfer function.
4. the instant factory of the real-time generation schedule net exchange method based on safe II district according to claim 3, is characterized in that,
In step (3), the attribute kit of described message interacting message standard is containing request time, request type, planned time, machine group objects and planned value, supports one by one or many planned value group bags send and message is returned to acknowledgement state.
5. the instant factory of the real-time generation schedule net exchange method based on safe II district according to claim 4, is characterized in that,
In step (4), select to issue planned value by amplifying message Class1 37,138, distribute a fixed address to each planned value, since 0: 0 until 23: 55, have 288 amounts altogether, wherein:
CON<137>: the transmission of target Plan Curve, normalization value C_SE_TD_1 during band CP56Time2a;
CON<138>: the transmission of target Plan Curve, short floating-point number C_SE_TF_1 during band CP56Time2a;
When selecting to issue planned value by amplifying message Class1 37,
A plurality of information objects (SQ=0) message transmission structure is:
C_SE_TD_1∶＝CP{Data?unit?identifier,(information?object?address,NVA),QOS,CP56Time2a}
The message transmission structure of a plurality of information objects (SQ=1):
C_SE_TD_1∶＝CP{Data?unit?identifier,information?object?address,(NVA),QOS,CP56Time2a}
When selecting to issue planned value by amplifying message Class1 38,
The message transmission structure of a plurality of information objects (SQ=0):
C_SE_TF_1∶＝CP{Data?unit?identifier,(information?object?address,IEEE?STD754),QOS,CP56Time2a}
The message transmission structure of a plurality of information objects (SQ=1):
C_SE_TD_1∶＝CP{Data?unit?identifier,information?object?address,(IEEE?STD754),QOS,CP56Time2a}
6. the instant factory of the real-time generation schedule net exchange method based on safe II district according to claim 5, is characterized in that,
In step (5), described control centre receives that to carry out the method for state analysis judgement after the mirror image confirmation message that power plant returns as follows:
The mirror image confirmation message that main website service in described II district is returned according to the plant stand service of II district judges whether target power plant has correctly received Plan Curve, if the planned value in mirror image confirmation message with issue inconsistent, be judged as the incorrect Plan Curve that receives of power plant, otherwise be correct reception, and acknowledgement state is returned to described real-time generation schedule application.
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| JP3996870B2 (en) * | 2003-05-13 | 2007-10-24 | 日本電信電話株式会社 | Wireless data communication start method and wireless data communication apparatus |
| CN101938518A (en) * | 2010-09-03 | 2011-01-05 | 上海大学 | Data link layer protocol of low voltage power line spread-frequency communication |
| CN102156815A (en) * | 2011-04-07 | 2011-08-17 | 国电南瑞科技股份有限公司 | Method for optimizing power generation plan in mode of tracing scheduling of annual electric quantity progress |
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