CN102280876A - Method and device for preprocessing load plan of offshore power grid power station - Google Patents
Method and device for preprocessing load plan of offshore power grid power station Download PDFInfo
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- CN102280876A CN102280876A CN2011101427778A CN201110142777A CN102280876A CN 102280876 A CN102280876 A CN 102280876A CN 2011101427778 A CN2011101427778 A CN 2011101427778A CN 201110142777 A CN201110142777 A CN 201110142777A CN 102280876 A CN102280876 A CN 102280876A
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Abstract
The invention discloses a method and a device for preprocessing the load plan of an offshore power grid power station. The method comprises the following steps of: receiving the application information of a plan task, wherein the plan task comprises an equipment switching plan, an equipment starting plan and/or an equipment stopping plan; analyzing whether the plan task is executable or not according to the application information; and executing the plan task when an analysis result indicates that the plan task is executable. By the method and the device, the operation safety and reliability of the offshore power grid power station can be higher, and the operation efficiency and the like of the offshore power grid power station can be improved.
Description
Technical field
The present invention relates to marine electrical network power station load process field, specially refer to a kind of marine electrical network power station load and plan pretreated method and device.
Background technology
Along with the comprehensive network system of China first offshore oilfield group is gone into operation, make marine comprehensive electrical network layout become a big trend.Marine comprehensive electrical network layout has been broken marine " isolated island " powering mode.The machine utilization plan also will turn to multi-platform electrical network plan from original single platform plan.
Relatively the land electrical network is regarded as infinitely great power, and the machine utilization plan does not need to consider the impact resistance under dealing with transient state impacts; Marine electrical network is local minor scale power net, and the stand-by heat surplus is limited, causes shutdown or from net, probably can cause the collapse of local even whole electrical network because transient state is impacted if generating set is arranged.So with respect to the land electrical network, the machine utilization plan forecast of marine electrical network is higher to the requirement of fail safe, reliability, be the land electrical network can not compare.Therefore, design safety, the pretreated mode of reliable marine electrical network power station load plan become problem demanding prompt solution.
Summary of the invention
Main purpose of the present invention is planned pretreated method and device for a kind of marine electrical network power station load is provided, and has promoted the fail safe and the reliability of marine operation of power networks.
The present invention proposes a kind of marine electrical network power station load and plans pretreated method, comprises step:
Receive the application information of plan target; Described plan target comprises equipment switching schedule, device start plan and/or equipment rest schedule;
According to described application information, analyze described plan target and whether can carry out;
When analysis result for can carry out the time, carry out described plan target.
Preferably, described application information comprises device attribute information, carries out action message and time of implementation.
Preferably, also comprise after the step of the application information of described reception plan target:
Described application information is tested.
Preferably, described according to described application information, whether executable step also comprises before to analyze described plan target:
Electrical network gross capability, the heat of gathering marine electrical network power station are equipped with surplus and load condition; Described load condition comprises current real-time online load and off-line load.
Preferably, described according to described application information, whether executable step specifically comprises to analyze described plan target:
Electrical network gross capability, heat according to described application information and marine electrical network power station are equipped with surplus and load condition;
Judge when described plan target was carried out, whether marine electrical network power station satisfied stability;
When not satisfying, then definite described plan target can not be carried out;
When satisfying, then definite described plan target can be carried out.
The present invention also proposes a kind of marine electrical network power station load and plans pretreated device, comprising:
Apply for receiver module, be used to receive the application information of plan target; Described plan target comprises equipment switching schedule, device start plan and/or equipment rest schedule;
Whether analysis module is used for according to described application information, analyze described plan target and can carry out;
Executive Module, be used for when analysis result for can carry out the time, carry out described plan target.
Preferably, described application information comprises device attribute information, carries out action message and time of implementation.
Preferably, described device also comprises:
Inspection module is used for described application information is tested.
Preferably, described device also comprises:
The load acquisition module, the electrical network gross capability, the heat that are used to gather marine electrical network power station are equipped with surplus and load condition; Described load condition comprises current real-time online load and off-line load.
Preferably, described analysis module specifically comprises:
Load is analyzed submodule, and the electrical network gross capability, the heat that are used for according to described application information and marine electrical network power station are equipped with surplus and load condition;
Load is judged submodule, is used for judging when described plan target was carried out, whether marine electrical network power station satisfied stability;
Carry out and determine submodule, be used for when not satisfying, then definite described plan target can not be carried out; When satisfying, then definite described plan target can be carried out.
Marine electrical network of the present invention power station load pretreated method of plan and device, be based on marine real-time power network running status, electrical network surplus situation, and marine electrical network power station real-time online, off-line load data, in conjunction with Power Network Status Estimation, stable analysis, device history operation conditions and power consumption analysis and power system operating mode and plan, the scheduling load opens, stops and switching schedule, realize the load gauge tracing of marine electrical network power station, and then the way of economic operation of decision unit.
Description of drawings
Fig. 1 is that the marine electrical network of the present invention power station load is planned steps flow chart schematic diagram among the embodiment of pretreated method;
Fig. 2 is that the marine electrical network of the present invention power station load is planned another steps flow chart schematic diagram among the embodiment of pretreated method;
Fig. 3 is the idiographic flow schematic diagram that the marine electrical network of the present invention power station load is planned analytical procedure among the embodiment of pretreated method;
Fig. 4 is the load curve schematic diagram in marine electrical network power station in the embodiment of the invention;
Fig. 5 is that the marine electrical network of the present invention power station load is planned structural representation among the embodiment of pretreated device;
Fig. 6 is that the marine electrical network of the present invention power station load is planned another structural representation among the embodiment of pretreated device;
Fig. 7 is that the marine electrical network of the present invention power station load is planned analysis module structural representation among the embodiment of pretreated device.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, an embodiment of the pretreated method of a kind of marine electrical network of the present invention power station load plan is proposed.This method comprises:
The application information of step S10, reception plan target; Described plan target comprises equipment switching schedule, device start plan and/or equipment rest schedule;
Step S11, according to described application information, analyze described plan target and whether can carry out;
Step S12, when analysis result for can carry out the time, carry out described plan target.
In the electrical network power station, when moving, need to submit to earlier the application of plan target at sea as equipment is started, stops and/or switching etc.The application of this plan target, information need send in one's application; This application information comprises device attribute information, carries out action message and time of implementation etc.This device attribute information can be device id, corresponding device (such as affiliated power station A) and equipment rated disspation etc.; This execution action message can be startup, stop and concrete instruction such as switching; This time of implementation is meant the time of carrying out this concrete instruction.The said equipment can be (power consumption) equipment greatly.
After the plan target application is submitted to, enter task check audit, judge whether this plan can be carried out.According to the plan target application information, analyze this device history running status, the actual power loss situation after the action of match equipment determines whether this plan understanding can be carried out.This analysis is carried out in conjunction with power system operating mode and plan, state estimation, tidal current analysis, stable analysis etc.
Determining that carrying out this plan target is in the power load scope in electrical network power station at sea, then carries out this plan target; Otherwise, do not carry out this plan target.
The pretreated method of above-mentioned marine electrical network power station load plan, be based on marine real-time power network running status, electrical network surplus situation, and marine electrical network power station real-time online, off-line load data, in conjunction with power system operating mode and plan, Power Network Status Estimation, stable analysis, device history operation conditions and power consumption analysis, the scheduling load opens, stops and switching schedule, realize the load gauge tracing of marine electrical network power station, and then the way of economic operation of decision unit.
With reference to Fig. 2, also comprise behind the above-mentioned steps S10:
Step S100, described application information is tested.
Above-mentioned marine electrical network power station at first needs this application information is tested after having received application information, has determined whether to comprise the corresponding necessary information of plan target of carrying out.Such as information such as device attribute information, execution action message and times of implementation, indispensable.As upcheck, then the application of this plan target is accepted in expression, proceeds subsequent step; Do not pass through as check, the expression refusal is accepted the application of this plan target.By above-mentioned check, can make things convenient for the carrying out of subsequent step.
Also comprise before the above-mentioned steps S11:
Step S110, the electrical network gross capability of gathering marine electrical network power station, heat are equipped with surplus and load condition; Described load condition comprises current real-time online load and off-line load.
The collection of above-mentioned load condition is carried out at above-mentioned plan target, according to device attribute (being equipment power dissipation etc.), execution action message and the time of implementation etc. in the corresponding application information of plan target, the needed load condition of this plan target of collection analysis.This collection is to prepare for the analysis of plan target.Also can gather the operation conditions in marine electrical network power station, analyze.
Be captured in specific electric load and off-line load, equipment is to start or to stop as can be known; Gathering the electrical network surplus is to need that equipment rated power be multiply by multiplying power (empirical value that configures) to compare with the electrical network surplus; Gathering the electrical network gross capability is to need to calculate the electrical network band carry rate, this electrical network band rate of carrying be current at specific electric load (the operating load sum of online equipment) than current electrical network gross capability.
This collection can read this electrical network power station, sea each online, off-line load data, current active power and current active power surplus.Wherein, can monitor, can make things convenient for meritorious, idle the exerting oneself of holding each unit in the marine electrical network power station in real time, and then adjust power system operating mode according to unit maximum output, unit stand-by heat surplus to the stand-by heat surplus in the marine electrical network power station.
With reference to Fig. 3, above-mentioned steps S11 specifically comprises:
Step S111, electrical network gross capability, hot surplus and the load condition of being equipped with according to described application information and marine electrical network power station;
When step S112, judgement were carried out when described plan target, whether marine electrical network power station satisfied stability; As not, then carry out step S113; In this way, then carry out step S114;
Step S113, determine that described plan target can not carry out;
Step S114, determine that described plan target can carry out.
Utilize electrical network gross capability, the heat of above-mentioned application information and collection to be equipped with surplus and load condition, analyze.In this analysis, can generate the load curve in marine electrical network power station.With reference to Fig. 4, the default load of this load curve datum line (datum line of promptly reporting to the police), plan target load curve and actual load (situation) curve.This warning datum line is current electric network active power and current electric network active power headroom sum.
Above-mentionedly judge whether the electrical network power station is satisfied stability and comprised:
When starting device, this equipment rated power be multiply by multiplying power (empirical value that configures) to be compared with the electrical network surplus, if under the required power current working of this device start, if surplus is not enough (as with device start, then do not satisfy stability), then forbid this device start, plan target can not be carried out;
When arrestment, if when electrical network be lower than default empirical value (regulating characteristics and band that this default empirical value derives from generating set carry a characteristic) in the band rate of carrying, then under the current working, grid stability can't satisfy, forbid that then this equipment stops, plan target can not be carried out; This electrical network band rate of carrying is the current electrical network gross capability of current online duty ratio.
It is exactly to stop earlier starting another equipment behind the equipment that equipment switches, and this moment is the rated power of two equipment relatively, if the equipment rated power that stops is big, and the judgement of stability when just carrying out arrestment; If the rated power of starting device is big, the judgement of stability when just carrying out starting device.
Aforesaid way, at sea load when excessive in the electrical network power station, stops the startup to current not starting device, and perhaps application stops the operation of current starting device, perhaps stops low-power equipment being switched to powerful device etc., to reduce load; At sea loaded when hanging down in the electrical network power station, considers economic benefit, and the application of refusal arrestment operation, to ensure suitable load.
Above-mentioned before the executive plan task, the analysis of marine electrical network power station load condition is also comprised:
Marine Power Network Status Estimation: the trend in real time execution electrical network power station and the estimation of electric voltage frequency; The marine stable analysis in electrical network power station: voltage stability analysis, frequency stability analysis, quiet Dynamic Stability Analysis; Marine electrical network power station load (equipment) history run state and status analysis; Electrical network unit operation mode and plan.
Above-mentioned marine electrical network power station preceding about 1 hour in the executive plan task can provide plan target automatically and carry out prompting; Condition satisfies, and can carry out voluntarily according to plan.
Load plan pretreated method in above-mentioned marine electrical network power station can make the operation in marine electrical network power station have more fail safe and reliability, also can promote the operational efficiency in marine electrical network power station etc.
With reference to Fig. 5, load plan pretreated device one embodiment in a kind of marine electrical network of the present invention power station is proposed.This device comprises:
Apply for receiver module 21, be used to receive the application information of plan target; Described plan target comprises equipment switching schedule, device start plan and/or equipment rest schedule;
Whether analysis module 22 is used for according to described application information, analyze described plan target and can carry out;
At sea in the electrical network power station, when moving, need earlier by applying for the application of receiver module 21 submission plan targets as equipment is started, stops and/or switching etc.The application of this plan target, information need send in one's application; This application information comprises device attribute information, carries out action message and time of implementation etc.This device attribute information can be device id, corresponding device (such as affiliated power station A) and equipment rated disspation etc.; This execution action message can be startup, stop and concrete instruction such as switching; This time of implementation is meant the time of carrying out this concrete instruction.
Above-mentioned analysis module 22 enters task check audit after the plan target application is submitted to, judge whether this plan can be carried out.Can analyze this device history running status according to this application information, the actual power loss situation after the action of match equipment determines whether this plan understanding can be carried out.This analysis is carried out in conjunction with power system operating mode and plan, state estimation, tidal current analysis, stable analysis and match load actual power loss etc.
Above-mentioned Executive Module 23 is determining that carrying out this plan target is in the power load scope in electrical network power station at sea, then carries out this plan target; Otherwise, do not carry out this plan target.
The pretreated device of above-mentioned marine electrical network power station load plan, be based on marine real-time power network running status, electrical network surplus situation, and marine electrical network power station real-time online, off-line load data, in conjunction with power system operating mode and plan, Power Network Status Estimation, stable analysis, device history operation conditions and power consumption analysis and power system operating mode and plan, the scheduling load opens, stops and switching schedule, realize the load gauge tracing of marine electrical network power station, and then the way of economic operation of decision unit.
With reference to Fig. 6, said apparatus also comprises: inspection module 210 is used for described application information is tested.
Above-mentioned application receiver module 21 at first needs to test by 210 pairs of this application information of inspection module after having received application information, has determined whether to comprise the corresponding necessary information of plan target of carrying out.Such as information such as device attribute information, execution action message and times of implementation, indispensable.As upcheck, then the application of this plan target is accepted in expression, proceeds subsequent step; Do not pass through as check, the expression refusal is accepted the application of this plan target.By above-mentioned check, can make things convenient for the carrying out of subsequent step.
Said apparatus also comprises: load acquisition module 220, and the electrical network gross capability, the heat that are used to gather marine electrical network power station are equipped with surplus and load condition; Described load condition comprises current real-time online load and off-line load etc.
The collection of 220 pairs of load conditions of above-mentioned load acquisition module is carried out at above-mentioned plan target, according to device attribute (being equipment power dissipation etc.), execution action message and the time of implementation etc. in the corresponding application information of plan target, the needed load condition of this plan target of collection analysis.This collection is to prepare for the analysis of plan target.Also can gather the operation conditions in marine electrical network power station, analyze.
Be captured in specific electric load and off-line load, equipment is to start or to stop as can be known; Gathering the electrical network surplus is to need that equipment rated power be multiply by multiplying power (empirical value that configures) to compare with the electrical network surplus; Gathering the electrical network gross capability is to need to calculate the electrical network band carry rate, this electrical network band rate of carrying be current at specific electric load (the operating load sum of online equipment) than current electrical network gross capability.
This collection can read this electrical network power station, sea each online, off-line load data, current active power and current active power surplus.Wherein, can monitor, can make things convenient for meritorious, idle the exerting oneself of holding each unit in the marine electrical network power station in real time, and then adjust power system operating mode according to unit maximum output, unit stand-by heat surplus to the stand-by heat surplus in the marine electrical network power station.
With reference to Fig. 7, above-mentioned analysis module 22 specifically comprises: load is analyzed submodule 221, load judgement submodule 222 and is carried out and determine submodule 223; This load is analyzed submodule 221, and the electrical network gross capability, the heat that are used for according to described application information and marine electrical network power station are equipped with surplus and load condition; This load is judged submodule 222, is used for judging when described plan target was carried out, whether marine electrical network power station satisfied stability; This is carried out and determines submodule 223, is used for when not satisfying, and then definite described plan target can not be carried out; When satisfying, then definite described plan target can be carried out.
This load is analyzed electrical network gross capability, hot surplus and the load condition of being equipped with that submodule 221 utilizes above-mentioned application information and collection, analyzes.In this analysis, can generate the load curve in marine electrical network power station.With reference to Fig. 4, the default load of this load curve datum line (datum line of promptly reporting to the police), plan target load curve and actual load (situation) curve.This warning datum line is current electric network active power and current electric network active power headroom sum.
Above-mentionedly judge whether the electrical network power station is satisfied stability and comprised:
When starting device, judge that by load submodule 222 multiply by multiplying power (empirical value that configures) with this equipment rated power and compares with the electrical network surplus, if under the required power current working of this device start, if surplus is not enough (as with device start, then do not satisfy stability), then forbid this device start, can not carry out by carrying out definite submodule 223 definite plan targets;
When arrestment, judge submodule 222 judgements by load, if be lower than default empirical value (regulating characteristics and band that this default empirical value derives from generating set carry a characteristic) in the band rate of carrying when electrical network, then under the current working, grid stability can't satisfy, forbid that then this equipment stops, can not carrying out by carrying out definite submodule 223 definite plan targets; This electrical network band rate of carrying is the current electrical network gross capability of current online duty ratio.
It is exactly to stop earlier starting another equipment behind the equipment that equipment switches, and this moment is the rated power of two equipment relatively, if the equipment rated power that stops is big, and the judgement of stability when just carrying out arrestment; If the rated power of starting device is big, the judgement of stability when just carrying out starting device.
Aforesaid way, at sea load when excessive in the electrical network power station, stops the startup to current not starting device, and perhaps application stops the operation of current starting device, perhaps stops low-power equipment being switched to powerful device etc., to reduce load; At sea loaded when hanging down in the electrical network power station, considers economic benefit, and the application of refusal arrestment operation, to ensure suitable load.
Above-mentioned before the executive plan task, the analysis of marine electrical network power station load condition is also comprised:
Marine Power Network Status Estimation: the trend in real time execution electrical network power station and the estimation of electric voltage frequency; The marine stable analysis in electrical network power station: voltage stability analysis, frequency stability analysis, quiet Dynamic Stability Analysis; Marine electrical network power station load (equipment) history run state and status analysis; Electrical network unit operation mode and plan.
Above-mentioned marine electrical network power station preceding 1 hour in the executive plan task can provide plan target automatically and carry out prompting; Condition satisfies, and can carry out voluntarily according to plan.
Load plan pretreated device in above-mentioned marine electrical network power station can make the operation in marine electrical network power station have more fail safe and reliability, also can promote the operational efficiency in marine electrical network power station etc.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the pretreated method of marine electrical network power station load plan is characterized in that, comprises step:
Receive the application information of plan target; Described plan target comprises equipment switching schedule, device start plan and/or equipment rest schedule;
According to described application information, analyze described plan target and whether can carry out;
When analysis result for can carry out the time, carry out described plan target.
2. load plan pretreated method in marine electrical network according to claim 1 power station is characterized in that described application information comprises device attribute information, carries out action message and time of implementation.
3. load plan pretreated method in marine electrical network according to claim 2 power station is characterized in that, also comprises after the step of the application information of described reception plan target:
Described application information is tested.
4. according to the pretreated method of each described marine electrical network power station load plan in the claim 1 to 3, it is characterized in that described according to described application information, whether executable step also comprises before to analyze described plan target:
Electrical network gross capability, the heat of gathering marine electrical network power station are equipped with surplus and load condition; Described load condition comprises current real-time online load and off-line load.
5. load plan pretreated method in marine electrical network according to claim 4 power station is characterized in that described according to described application information, whether executable step specifically comprises to analyze described plan target:
Electrical network gross capability, heat according to described application information and marine electrical network power station are equipped with surplus and load condition;
Judge when described plan target was carried out, whether marine electrical network power station satisfied stability;
When not satisfying, then definite described plan target can not be carried out;
When satisfying, then definite described plan target can be carried out.
6. the pretreated device of marine electrical network power station load plan is characterized in that, comprising:
Apply for receiver module, be used to receive the application information of plan target; Described plan target comprises equipment switching schedule, device start plan and/or equipment rest schedule;
Whether analysis module is used for according to described application information, analyze described plan target and can carry out;
Executive Module, be used for when analysis result for can carry out the time, carry out described plan target.
7. load plan pretreated device in marine electrical network according to claim 6 power station is characterized in that described application information comprises device attribute information, carries out action message and time of implementation.
8. load plan pretreated device in marine electrical network according to claim 7 power station is characterized in that described device also comprises:
Inspection module is used for described application information is tested.
9. according to the pretreated device of each described marine electrical network power station load plan in the claim 6 to 8, it is characterized in that described device also comprises:
The load acquisition module, the electrical network gross capability, the heat that are used to gather marine electrical network power station are equipped with surplus and load condition; Described load condition comprises current real-time online load and off-line load.
10. load plan pretreated device in marine electrical network according to claim 9 power station is characterized in that described analysis module specifically comprises:
Load is analyzed submodule, and the electrical network gross capability, the heat that are used for according to described application information and marine electrical network power station are equipped with surplus and load condition;
Load is judged submodule, is used for judging when described plan target was carried out, whether marine electrical network power station satisfied stability;
Carry out and determine submodule, be used for when not satisfying, then definite described plan target can not be carried out; When satisfying, then definite described plan target can be carried out.
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| CN2011101427778A CN102280876B (en) | 2011-05-30 | 2011-05-30 | Method and device for preprocessing load plan of offshore power grid power station |
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| CN2011101427778A CN102280876B (en) | 2011-05-30 | 2011-05-30 | Method and device for preprocessing load plan of offshore power grid power station |
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| CN102280876B CN102280876B (en) | 2013-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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| CN101860022A (en) * | 2010-04-21 | 2010-10-13 | 天津信达自动化工程有限公司 | Method for automatically controlling emergency unloading of offshore oil platform generating unit |
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| CN202150132U (en) * | 2011-02-28 | 2012-02-22 | 深圳市行健自动化系统有限公司 | Electrical network power station scheduling system |
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|---|---|---|---|---|
| CN101295877A (en) * | 2008-06-05 | 2008-10-29 | 上海交通大学 | Control system of offshore wind power flexible DC power transmission current transformer |
| CN101860022A (en) * | 2010-04-21 | 2010-10-13 | 天津信达自动化工程有限公司 | Method for automatically controlling emergency unloading of offshore oil platform generating unit |
| CN101917005A (en) * | 2010-08-19 | 2010-12-15 | 中国海洋石油总公司 | Power grid interlink system of offshore oil platform |
| CN202150132U (en) * | 2011-02-28 | 2012-02-22 | 深圳市行健自动化系统有限公司 | Electrical network power station scheduling system |
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| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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Address after: 518057, building 10, No. two Shenzhen Software Park, Nanshan District science and technology, Shenzhen, Guangdong 602, China Applicant after: Shenzhen Wellreach Automation Engineering Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District bamboo forest Kim ninth storey building Applicant before: Shenzhen Xingjian Automation System Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHENZHEN WELLREACH AUTOMATION SYSTEM CO.,LTD. TO: SHENZHEN WELLREACH AUTOMATION CO., LTD. |
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