CN109902447A - A kind of huge Condition Maintenance for Hydraulic Power Plant model and construction method - Google Patents
A kind of huge Condition Maintenance for Hydraulic Power Plant model and construction method Download PDFInfo
- Publication number
- CN109902447A CN109902447A CN201910282548.2A CN201910282548A CN109902447A CN 109902447 A CN109902447 A CN 109902447A CN 201910282548 A CN201910282548 A CN 201910282548A CN 109902447 A CN109902447 A CN 109902447A
- Authority
- CN
- China
- Prior art keywords
- equipment
- information
- maintenance
- state
- evaluation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a kind of huge Condition Maintenance for Hydraulic Power Plant model and construction methods, by the running state information for collecting the various equipment in hydroelectric power plant；And it is analyzed；Then score evaluation is carried out to equipment；Equipment is determined as four normal condition, attention state, abnormality, precarious position level status；Installations and facilities maintenance rank and power station year Plant maintenance plan are finally formulated according to the level status of equipment；On the basis of the periodic inspection as defined in country, industry, it is formed centered on equipment operational reliability, equipment state overhauling strategy is formulated according to means such as the analysis of running trend of the equipment year, risk and life appraisals, the maintenance mode of overhaul of the equipments interval, down time and overhauling project is determined according to the result of diagnosis and assessment.It can find in time and eliminate hidden trouble of equipment, avoid the equipment fault even generation of accident, extend service life of equipment, the workload and overhaul management difficulty of service personnel can decrease, and overhaul management efficiency also obtains certain promotion.
Description
Technical field
The present invention relates to Condition Maintenance for Hydraulic Power Plant technical field, especially a kind of huge Condition Maintenance for Hydraulic Power Plant model construction
Method and system.
Background technique
Under current power system reform situation, easy trend is integrally presented in electricity market, competing between electricity power enterprise
It is increasingly fierce to strive, and traditional scheduled overhaul mode cannot well adapt to the demand of electricity market；If according to the principle of periodic inspection
Carry out scheduled overhaul, will cause a degree of mistake and repair, the control cost of overhaul that cannot be scientific and reasonable；And if not to the reality of equipment
Border operating status carries out comprehensive assessment, cannot timely and effectively organize to overhaul when something goes wrong in critical component, can be to equipment
Safe and stable operation adversely affects.It is studied by installations and facilities repair based on condition of component model, can effectively reduce power plant's cost of overhaul
And management difficulty, raising overhaul management efficiency.
Further to adapt to current electricity market situation, can preferably be examined according to electric power market demand reasonable arrangement unit
It repairs and power generation operation；The principle for getting rid of " expiring required " carries out periodic inspection to sorts of systems according to time between overhauls(TBO) and duration, not
Comprehensive analysis diagnosis is carried out to equipment actual motion state and carries out repair based on condition of component.
Meanwhile annual various kinds of equipment maintenance charge plan is almost the same, fails the scientific and reasonable control cost of overhaul.Implementation is set
Standby repair based on condition of component, can bonding apparatus practical operation situation, targetedly to equipment, this is repaired position and is overhauled and safeguarded, closes
Reason formulates overhauling project and maintenance expense, and power plant's cost of overhaul is effectively reduced；When equipment is there are when potential insecurity factor, if
Still use periodic inspection mode, in fact it could happen that the phenomenon that equipment inspection or not.
Implement repair based on condition of component, can find in time and eliminate hidden trouble of equipment, avoids the equipment fault even generation of accident, extend
Service life of equipment；By equipment state overhauling, overhaul of the equipments project and deactivated duration are certain with respect to having for scheduled overhaul
The reduction of degree, the workload and overhaul management difficulty of service personnel can decrease, and overhaul management efficiency also obtains certain
It is promoted.
Summary of the invention
The purpose of the present invention is to propose to a kind of Condition Maintenance for Hydraulic Power Plant model building methods；This method improves hydroelectric power plant and sets
Standby overhaul efficiency.
The purpose of the present invention is achieved through the following technical solutions:
Condition Maintenance for Hydraulic Power Plant model building method provided by the invention, comprising the following steps:
Collect the running state information of the various equipment in hydroelectric power plant；
Analysis, which is carried out, according to equipment running status information forms overhaul of the equipments state evaluation information；
The equipment state evaluation information evaluates equipment progress score the scoring rate to form equipment；
Equipment is determined as normal condition, attention state, abnormality, precarious position four etc. according to the scoring rate of equipment
Grade state；
Installations and facilities maintenance rank and power station year Plant maintenance plan are formulated according to the level status of equipment；The equipment
Facility maintenance rank includes normal condition maintenance, attention state maintenance, abnormality maintenance, precarious position maintenance.
Further, the equipment running status information includes on-line monitoring information and off-line monitoring information；
The on-line monitoring information includes that generator partial discharge on-line monitoring information, main transformer and reactor chromatogram monitoring are believed
Breath, set state monitoring information, runout protection system on-line monitoring information, intelligent O&M cloud system warning information and equipment operation
Trend pays close attention to information；
The offline inspection information includes equipment operation information, maintenance information, service information and equipment operational safety information.
Further, the scoring rate of the equipment is the scoring rate evaluation assessment and qualitative comprehensive evaluation by using quantization
Obtained from；
The scoring rate evaluation assessment of the quantization is by carrying out to the equipment for having clear significant condition parameter and standard limit value
Quantify score；
The qualitative comprehensive evaluation is that maintenance preset value comprehensive score is carried out by the equipment to no standard limited value；
The equipment for having clear significant condition parameter and standard limit value includes that mechanical equipment, electrical primary equipment and water conservancy project are special
Industry equipment；
The comprehensive evaluation is used to carry out equipment state evaluation to electric secondary professional equipment.
The present invention also provides a kind of Condition Maintenance for Hydraulic Power Plant models, including information management module, equipment to run shape
State diagnostic analysis module, state evaluation module, state estimation module and installations and facilities Strategies of Maintenance module；
The information management module, for collecting the running state information of the various equipment in hydroelectric power plant；
The equipment running status diagnostic analysis module forms equipment for carrying out analysis according to equipment running status information
Inspecting state evaluation information；
The state evaluation module is evaluated to form equipment for carrying out score to equipment according to equipment state evaluation information
Scoring rate；
The state estimation module, for equipment to be determined as normal condition, attention state, different according to the scoring rate of equipment
Normal four state, precarious position level status；
The installations and facilities Strategies of Maintenance module, for according to the level status of equipment formulate installations and facilities maintenance rank and
Power station year Plant maintenance plan；The installations and facilities maintenance rank includes normal condition maintenance, attention state maintenance, abnormal shape
State maintenance, precarious position maintenance.
Further, the information management module includes online monitoring information and off-line monitoring information；
The on-line monitoring information includes that generator partial discharge on-line monitoring information, main transformer and reactor chromatogram monitoring are believed
Breath, set state monitoring information, runout protection system on-line monitoring information, intelligent O&M cloud system warning information and equipment operation
Trend pays close attention to information；
The offline inspection information includes equipment operation information, maintenance information, service information and equipment operational safety information.
Further, the scoring rate of the equipment in the equipment running status diagnostic analysis module is obtaining by using quantization
Divide obtained from rate evaluation assessment and qualitative comprehensive evaluation；
The scoring rate evaluation assessment of the quantization is by carrying out to the equipment for having clear significant condition parameter and standard limit value
Quantify score；
The qualitative comprehensive evaluation is that maintenance preset value comprehensive score is carried out by the equipment to no standard limited value；
The equipment for having clear significant condition parameter and standard limit value includes that mechanical equipment, electrical primary equipment and water conservancy project are special
Industry equipment；
The comprehensive evaluation is used to carry out equipment state evaluation to electric secondary professional equipment.
By adopting the above-described technical solution, the present invention has the advantage that:
Huge Condition Maintenance for Hydraulic Power Plant model and construction method provided by the invention, by collecting the various equipment in hydroelectric power plant
Running state information；And it is analyzed；Then score evaluation is carried out to equipment；By equipment be determined as normal condition, attention state,
Four abnormality, precarious position level status；Installations and facilities maintenance rank and electricity are finally formulated according to the level status of equipment
It stands annual Plant maintenance plan；On the basis of country, periodic inspection as defined in industry, is formed with equipment operational reliability and be
The heart, according to the analysis of running trend of the equipment year, risk and life appraisal (including familial defect, repeated defect or abnormal, hidden
Part of appliance operating condition etc.) etc. means formulate equipment state overhauling strategy, according to diagnosis with assessment result determine equipment examine
Repair the maintenance mode of interval, down time and overhauling project.It can find in time and eliminate hidden trouble of equipment, avoid equipment fault even
The generation of accident extends service life of equipment, and the workload and overhaul management difficulty of service personnel can decrease, overhaul management
Efficiency also obtains certain promotion.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
Detailed description of the invention of the invention is as follows.
Fig. 1 is Condition Maintenance for Hydraulic Power Plant model building method schematic diagram of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1
As shown, Condition Maintenance for Hydraulic Power Plant model building method provided in this embodiment, comprising the following steps:
Collect the running state information of the various equipment in hydroelectric power plant；
Analysis, which is carried out, according to equipment running status information forms overhaul of the equipments state evaluation information；
The equipment state evaluation information evaluates equipment progress score the scoring rate to form equipment；
Equipment is determined as normal condition, attention state, abnormality, precarious position four etc. according to the scoring rate of equipment
Grade state；
Installations and facilities maintenance rank and power station year Plant maintenance plan are formulated according to the level status of equipment；The equipment
Facility maintenance rank includes normal condition maintenance, attention state maintenance, abnormality maintenance, precarious position maintenance.
The equipment running status information includes on-line monitoring information and off-line monitoring information；
The on-line monitoring information includes that generator partial discharge on-line monitoring information, main transformer and reactor chromatogram monitoring are believed
Breath, set state monitoring information, runout protection system on-line monitoring information, intelligent O&M cloud system warning information and equipment operation
Trend pays close attention to information；
The offline inspection information includes equipment operation information, maintenance information, service information and equipment operational safety information.
The scoring rate of the equipment is scoring rate evaluation assessment and qualitative comprehensive evaluation by using quantization and obtains
's；
The scoring rate evaluation assessment of the quantization is by carrying out to the equipment for having clear significant condition parameter and standard limit value
Quantify score；
The qualitative comprehensive evaluation is that maintenance preset value comprehensive score is carried out by the equipment to no standard limited value；
The equipment for having clear significant condition parameter and standard limit value includes that mechanical equipment, electrical primary equipment and water conservancy project are special
Industry equipment；
The comprehensive evaluation is used to carry out equipment state evaluation to electric secondary professional equipment.
Embodiment 2
The present embodiment additionally provides a kind of Condition Maintenance for Hydraulic Power Plant model, including the operation of information management module, equipment
Condition diagnosing analysis module, state evaluation module, state estimation module and installations and facilities Strategies of Maintenance module；
Information management module:
(1) on-line monitoring aspect: according to monitoring system, generator partial discharge on-line monitoring system, main transformer and reactor chromatography
The on-line monitoring systems such as on-line monitoring system, Unit State Monitor System, runout protection system monitor in real time, utilize dynamic data
Analysis platform, the warning information of intelligent O&M cloud system and running trend of the equipment are paid close attention to, and collect relevant information and
Data.
(2) in terms of offline inspection, bonding apparatus operation, maintenance, maintenance are tried using equipment routing inspection, regular prerun, performance
It tests, the means such as live detection, infrared measurement of temperature, the key data that may influence equipment operational safety is tested and recorded, and
Carry out equipment trend analysis, take the necessary measures when there is degradation trend, ensures equipment safety stable operation.
Equipment running status diagnostic analysis module
According to year formed device diagnostic analysis report, in conjunction with annual production and management mode, production target performance and
Reliability index etc. provides decision-making foundation for power plant's repair based on condition of component.
State evaluation module
Using dynamic evaluation and regular evaluation method, quantitative-qualitative analysis method, selected equipment critical component is bright to having
What true significant condition parameter and standard limit value required, using the scoring rate evaluation assessment of quantization；No standard limited value is required, Ying Gen
According to equipment fault rule and operation, maintenance experience etc., using qualitative comprehensive evaluation.
Machinery, electrical primary, speciality of hydroelectric power engineering construction installations and facilities state evaluation mainly use scoring rate evaluation assessment；Electric secondary is special
Industry installations and facilities state evaluation is using scoring rate evaluation assessment in such a way that comprehensive evaluation combines.
Be related to runner crackle special project, privacy device component inspection, the vulnerable part service life, repeated defect, repeat sexual abnormality,
PLC load factor, actuating of relay number, new mark requirement etc. are calculated using deduction of points mode.
Scoring rate is determined as four grades according to equipment weight, and comprehensive evaluation is according to equipment feature, evaluation level flavor
A, B, C, D level Four fuzzy evaluation, four grades of scoring rate and composite rating respectively correspond normal condition, attention state, abnormal shape
Four state, precarious position level status
State estimation module
According to equipment state evaluation as a result, comprehensively considering operation hours, maintenance resume, failure experience, operation ring
The factors such as border, maintenance special project project to be performed, and installations and facilities maintenance rank (A, B, C, D grades) is formulated according to the result of assessment
And power station year Plant maintenance plan.
Determine time between overhauls(TBO) and task: (1) repair based on condition of component strategy is mainly used to determine overhauling project, maintenance grade, maintenance
The contents such as time.(2) overhaul of the equipments grade is determined according to the maintenance duration of critical component, when multiple critical components overhaul simultaneously,
The straight line duration that each critical component maintenance should be integrated determines maintenance grade.
It is evaluated after repairing: according to the data and operating condition after repairing, to the problem of proposition in operating analysis report before repairing and again
Point project is completed disposition and is evaluated；The exception and failure cause occurred in operation to unit starting and after repairing is divided
Analysis, suggests improvements and suggests.
Equipment state overhauling model provided by the invention can meet electric power market demand in time, can be preferably according to electricity
Power market demand reasonable arrangement unit maintenance and power generation operation.
Reduce power plant's cost of overhaul: electric power factory equipment overhauls the principle substantially according to " expiring required " in recent years, according to maintenance
Period and duration carry out periodic inspection to sorts of systems, do not carry out comprehensive analysis diagnosis to equipment actual motion state and carry out shape
State maintenance.Meanwhile annual various kinds of equipment maintenance charge plan is almost the same, fails the scientific and reasonable control cost of overhaul.Implementation is set
Standby repair based on condition of component, can bonding apparatus practical operation situation, targetedly to equipment, this is repaired position and is overhauled and safeguarded, closes
Reason formulates overhauling project and maintenance expense, and power plant's cost of overhaul is effectively reduced.
Extend service life of equipment:, can if still using periodic inspection mode when equipment is there are when potential insecurity factor
The phenomenon that equipment inspection or not can occur.Implement repair based on condition of component, can find in time and eliminate hidden trouble of equipment, avoid equipment fault very
To the generation of accident, extend service life of equipment.
Reduce overhaul management difficulty: by equipment state overhauling, overhaul of the equipments project and deactivated duration are with respect to scheduled overhaul
For have a degree of reduction, the workload and overhaul management difficulty of service personnel can decrease, overhaul management efficiency
Also certain promotion can be obtained.Increase basin Cascaded Hydropower Plants unit availability coefficient and generating capacity, realize cost efficiency, has aobvious
The economic benefit of work and good social benefit.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Protection scope in.
Claims (6)
1. a kind of Condition Maintenance for Hydraulic Power Plant model building method, it is characterised in that: the following steps are included:
Collect the running state information of the various equipment in hydroelectric power plant；
Analysis, which is carried out, according to equipment running status information forms overhaul of the equipments state evaluation information；
The equipment state evaluation information evaluates equipment progress score the scoring rate to form equipment；
Equipment is determined as four normal condition, attention state, abnormality, precarious position grade shapes according to the scoring rate of equipment
State；
Installations and facilities maintenance rank and power station year Plant maintenance plan are formulated according to the level status of equipment；The installations and facilities
Maintenance rank includes normal condition maintenance, attention state maintenance, abnormality maintenance, precarious position maintenance.
2. Condition Maintenance for Hydraulic Power Plant model building method as described in claim 1, it is characterised in that: the equipment running status
Information includes on-line monitoring information and off-line monitoring information；
The on-line monitoring information include generator partial discharge on-line monitoring information, main transformer and reactor chromatogram monitoring information,
Set state monitoring information, runout protection system on-line monitoring information, intelligent O&M cloud system warning information and equipment operation become
Gesture pays close attention to information；
The offline inspection information includes equipment operation information, maintenance information, service information and equipment operational safety information.
3. Condition Maintenance for Hydraulic Power Plant model building method as described in claim 1, it is characterised in that: the scoring rate of the equipment
It is obtained from the scoring rate evaluation assessment and qualitative comprehensive evaluation by using quantization；
The scoring rate evaluation assessment of the quantization is the quantization by carrying out to the equipment for having clear significant condition parameter and standard limit value
Score；
The qualitative comprehensive evaluation is that maintenance preset value comprehensive score is carried out by the equipment to no standard limited value；
The equipment for having clear significant condition parameter and standard limit value includes that mechanical equipment, electrical primary equipment and speciality of hydroelectric power engineering construction are set
It is standby；
The comprehensive evaluation is used to carry out equipment state evaluation to electric secondary professional equipment.
4. a kind of Condition Maintenance for Hydraulic Power Plant model, which is characterized in that diagnosed including information management module, equipment running status
Analysis module, state evaluation module, state estimation module and installations and facilities Strategies of Maintenance module；
The information management module, for collecting the running state information of the various equipment in hydroelectric power plant；
The equipment running status diagnostic analysis module forms overhaul of the equipments for carrying out analysis according to equipment running status information
State evaluation information；
The state evaluation module, for evaluating equipment progress score the score to form equipment according to equipment state evaluation information
Rate；
The state estimation module, for equipment to be determined as normal condition, attention state, abnormal shape according to the scoring rate of equipment
Four state, precarious position level status；
The installations and facilities Strategies of Maintenance module, for formulating installations and facilities maintenance rank and power station according to the level status of equipment
Annual Plant maintenance plan；The installations and facilities maintenance rank includes normal condition maintenance, attention state maintenance, abnormality inspection
It repairs, precarious position maintenance.
5. Condition Maintenance for Hydraulic Power Plant model as claimed in claim 4, it is characterised in that: the information management module includes
Monitor information and off-line monitoring information on-line；
The on-line monitoring information include generator partial discharge on-line monitoring information, main transformer and reactor chromatogram monitoring information,
Set state monitoring information, runout protection system on-line monitoring information, intelligent O&M cloud system warning information and equipment operation become
Gesture pays close attention to information；
The offline inspection information includes equipment operation information, maintenance information, service information and equipment operational safety information.
6. Condition Maintenance for Hydraulic Power Plant model as claimed in claim 4, it is characterised in that: the equipment running status diagnostic analysis
The scoring rate of equipment in module is obtained from scoring rate evaluation assessment and qualitative comprehensive evaluation by using quantization；
The scoring rate evaluation assessment of the quantization is the quantization by carrying out to the equipment for having clear significant condition parameter and standard limit value
Score；
The qualitative comprehensive evaluation is that maintenance preset value comprehensive score is carried out by the equipment to no standard limited value；
The equipment for having clear significant condition parameter and standard limit value includes that mechanical equipment, electrical primary equipment and speciality of hydroelectric power engineering construction are set
It is standby；
The comprehensive evaluation is used to carry out equipment state evaluation to electric secondary professional equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282548.2A CN109902447A (en) | 2019-04-10 | 2019-04-10 | A kind of huge Condition Maintenance for Hydraulic Power Plant model and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282548.2A CN109902447A (en) | 2019-04-10 | 2019-04-10 | A kind of huge Condition Maintenance for Hydraulic Power Plant model and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109902447A true CN109902447A (en) | 2019-06-18 |
Family
ID=66954679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910282548.2A Pending CN109902447A (en) | 2019-04-10 | 2019-04-10 | A kind of huge Condition Maintenance for Hydraulic Power Plant model and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109902447A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080063A (en) * | 2019-11-15 | 2020-04-28 | 上海电气电站设备有限公司 | Evaluation method for collector ring running state |
| CN112508359A (en) * | 2020-11-24 | 2021-03-16 | 中国石油集团工程股份有限公司 | Equipment management system and method |
| CN113065670A (en) * | 2021-03-19 | 2021-07-02 | 华能(大连)热电有限责任公司 | State overhaul working method for centrifugal ventilator of power plant |
| CN113487044A (en) * | 2021-05-14 | 2021-10-08 | 中国长江三峡集团有限公司 | Large hydroelectric generator set maintenance plan manufacturing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130262064A1 (en) * | 2012-03-27 | 2013-10-03 | General Electric Company | Systems and methods for improved reliability operations |
| CN104123678A (en) * | 2014-07-12 | 2014-10-29 | 东北电力大学 | Electricity relay protection status overhaul method based on status grade evaluation model |
| CN104638764A (en) * | 2015-01-22 | 2015-05-20 | 国家电网公司 | Intelligent state diagnosis and overhauling system for power distribution network equipment |
| CN105160489A (en) * | 2015-09-28 | 2015-12-16 | 国家电网公司 | Variable-weight hydropower unit deterioration evaluation system and evaluation method |
| CN107895221A (en) * | 2017-10-25 | 2018-04-10 | 北京微肯佛莱科技有限公司 | Long-term scheduling and Maintenance Schedule Optimization method in market environment lower step power station |
| CN109358587A (en) * | 2018-11-05 | 2019-02-19 | 国电南京自动化股份有限公司 | A kind of Condition-based Maintenance of Hydroelectric Sets decision-making technique and system |
-
2019
- 2019-04-10 CN CN201910282548.2A patent/CN109902447A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130262064A1 (en) * | 2012-03-27 | 2013-10-03 | General Electric Company | Systems and methods for improved reliability operations |
| CN104123678A (en) * | 2014-07-12 | 2014-10-29 | 东北电力大学 | Electricity relay protection status overhaul method based on status grade evaluation model |
| CN104638764A (en) * | 2015-01-22 | 2015-05-20 | 国家电网公司 | Intelligent state diagnosis and overhauling system for power distribution network equipment |
| CN105160489A (en) * | 2015-09-28 | 2015-12-16 | 国家电网公司 | Variable-weight hydropower unit deterioration evaluation system and evaluation method |
| CN107895221A (en) * | 2017-10-25 | 2018-04-10 | 北京微肯佛莱科技有限公司 | Long-term scheduling and Maintenance Schedule Optimization method in market environment lower step power station |
| CN109358587A (en) * | 2018-11-05 | 2019-02-19 | 国电南京自动化股份有限公司 | A kind of Condition-based Maintenance of Hydroelectric Sets decision-making technique and system |
Non-Patent Citations (1)
| Title |
|---|
| 刘海鹏: "大中型水电站设备健康状态评估体系研究", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技II辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080063A (en) * | 2019-11-15 | 2020-04-28 | 上海电气电站设备有限公司 | Evaluation method for collector ring running state |
| CN111080063B (en) * | 2019-11-15 | 2024-04-30 | 上海电气电站设备有限公司 | Method for evaluating operation state of collecting ring |
| CN112508359A (en) * | 2020-11-24 | 2021-03-16 | 中国石油集团工程股份有限公司 | Equipment management system and method |
| CN113065670A (en) * | 2021-03-19 | 2021-07-02 | 华能(大连)热电有限责任公司 | State overhaul working method for centrifugal ventilator of power plant |
| CN113487044A (en) * | 2021-05-14 | 2021-10-08 | 中国长江三峡集团有限公司 | Large hydroelectric generator set maintenance plan manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109902447A (en) | A kind of huge Condition Maintenance for Hydraulic Power Plant model and construction method | |
| CN105809255B (en) | A kind of thermal power plant's rotating machinery health control method and system based on Internet of Things | |
| CN106384210B (en) | A kind of power transmission and transforming equipment maintenance prioritization method based on maintenance risk income | |
| Hashemian | Wireless sensors for predictive maintenance of rotating equipment in research reactors | |
| CN102663530B (en) | HVDC (High Voltage Direct Current) transmission system safe early warning and evaluating system | |
| CN104638764A (en) | Intelligent state diagnosis and overhauling system for power distribution network equipment | |
| CN110377001A (en) | Industrial equipment intelligent Fault Diagnose Systems and method based on data fusion | |
| CN108037378A (en) | Running state of transformer Forecasting Methodology and system based on long memory network in short-term | |
| CN103559648A (en) | Grid equipment state inspection and evaluation training system | |
| CN102354918A (en) | Method and device for maintaining power transmission and transformation equipment | |
| CN101859409A (en) | Power transmission and transformation equipment state overhauling system based on risk evaluation | |
| CN107844892A (en) | A kind of equipment O＆M plan Dynamic Scheduling system and optimization method | |
| CN103218695A (en) | Secondary equipment intelligence state evaluation diagnostic system and method thereof | |
| CN103164775A (en) | Automatic evaluation platform and method for power grid equipment status | |
| CN107256449A (en) | A kind of relay protection device of intelligent substation state evaluation and appraisal procedure | |
| CN106203836A (en) | A kind of appraisal procedure of oil refining enterprise equipment dependability performance management | |
| CN109358583A (en) | A method of preventing the failure of nuclear power unit key work center method | |
| CN104035433B (en) | Remote precise diagnosis and maintenance system and method of industrial devices | |
| CN104574004A (en) | Auxiliary distribution network state maintenance system | |
| CN110533325A (en) | The decision-making technique and system of relay protection device repair time | |
| CN102545381A (en) | Data analysis center system for technical supervision of power grid equipment | |
| Wang et al. | Economic life assessment of power transformers using an improved model | |
| CN103578042A (en) | Hieratical assessment method for degree of reliability of power transformer | |
| Voloshin et al. | Application of Ai Methods for Automatic Determination of the Technical Condition Index of Primary Substation Equipment | |
| Kostyukov et al. | Multi-method automated diagnostics of rotating machines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190618 |