CN109447278A - The method and system of phase sequence error event occurs for a kind of identification measuring equipment - Google Patents
The method and system of phase sequence error event occurs for a kind of identification measuring equipment Download PDFInfo
- Publication number
- CN109447278A CN109447278A CN201811087627.XA CN201811087627A CN109447278A CN 109447278 A CN109447278 A CN 109447278A CN 201811087627 A CN201811087627 A CN 201811087627A CN 109447278 A CN109447278 A CN 109447278A
- Authority
- CN
- China
- Prior art keywords
- measuring equipment
- per
- energy value
- phase sequence
- energy
- 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
- 238000000819 phase cycle Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000007405 data analysis Methods 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/20—Administration of product repair or maintenance
Abstract
The present invention provides a kind of method and system for identifying measuring equipment phase sequence mistake, and in particular to energy measurement management domain.The present invention specifically includes: Step 1: the measuring equipment data block of the measuring equipment of energy measurement management system main website independent acquisition pre-determined number；Step 2: judging whether measuring equipment occurs measuring equipment phase sequence mistake according to data block；Step 3: whether occurring whether measuring equipment phase sequence false judgment occurs measuring equipment phase sequence error event according to equipment.The present invention is used for electricity-water-gas heat energy metering management system, the system structure constructed jointly suitable for system main website, acquisition equipment and measuring equipment, measuring equipment data are acquired by acquisition equipment, data analysis is carried out in system main website, judge phase sequence error condition and event, analyzing result can support the operation and maintenance of energy measurement management system, improve working efficiency, lifting system operational reliability.
Description
Technical field
The present invention relates to energy measurement management domains, and in particular to a kind of measuring equipment phase sequence false judgment method and
System.
Background technique
The country has carried out the construction of electricity-water-gas heat energy metering management system, and accumulative covering user has reached millions of families.With
The expansion of system scale, the O&M difficulty of system and equipment greatly improves, for maintenance work amoun, precise positioning system is effectively reduced
The failure of system and equipment, reasonable analysis user's state with energy should effectively collect device data based on automation collection means, and lead to
It crosses reasonable calculation method and automatically analyzes and obtain corresponding conclusion, support live maintenance work.
Building for acquiring electric energy information and management system last decade has been used for reference in the construction of electricity-water-gas heat energy metering management system
If experience, using the acquiring electric energy information technology for electric energy meter as core, while water meter, gas meter, flow meter and calorimeter are accessed and acquired
Data, carry out Data Integration in system main website, realize the convenience-for-people functions such as more single unifications.Acquiring electric energy information and management system pass through
Construction and O&M for many years are crossed, a large amount of experience is had accumulated, effectively promotes the development of intelligent measurement technology, improves power grid intelligence
Change level, the Various types of data of acquisition is in electricity transaction, tariff recovery, power utility check, market demand side, line loss lean point
Important branch has been played in multiple specialized service applications such as analysis, power distribution network operational monitoring, power supply quality monitoring and breakdown repair
Support effect, it has also become important foundation data source.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of method that phase sequence error event occurs for identification measuring equipment,
Include:
Step 1: the measuring equipment data of the measuring equipment of energy measurement management system main website independent acquisition pre-determined number
Block；
The data block includes: connect on energy source pipeline upstream and downstream same type measuring equipment quantity, upstream meter
Amount equipment generates that phase sequence error logging number, measuring equipment is per second uses energy value with energy value and downstream dosing device are per second
With upstream measuring equipment energy value difference per second；
Step 2: judging whether measuring equipment occurs phase sequence mistake according to data block parameter；If measuring equipment occurs
Phase sequence mistake enters step 3, otherwise exits；
Step 3: it is wrong to judge whether measuring equipment all occurs phase sequence according to the data block of independent acquisition pre-determined number
Accidentally, it if measuring equipment phase sequence mistake all occurs, determines that phase sequence error event occurs for measuring equipment, otherwise exits.
Optionally, phase sequence mistake refers to that data block meets upstream of connecting in the following conditions, including energy source pipeline
With 2, downstream same type measuring equipment, and downstream does not produce there is no same type of another measuring equipment, upstream measuring equipment
Raw phase sequence error logging, measuring equipment energy value per second are less than 10 times of standard energy value per second and downstream metering is set
It is standby it is per second with energy value and the absolute value of upstream measuring equipment energy value difference per second with upstream measuring equipment is per second uses energy
The ratio of value is greater than 10%.
Optionally, measuring equipment includes electric energy meter, water meter, gas meter, flow meter and calorimeter.
Optionally, the per second of electric energy meter is calculated with energy value by apparent energy value, and standard is per second to press specified function with energy value
Rate calculates；The per second of water meter is calculated with energy value by the current instantaneous velocity of water meter, and standard is per second to press peak flow meter with energy value
It calculates；The per second of gas meter, flow meter is calculated with energy value by gas meter, flow meter current gas flow velocity indicating value, and standard is per second to press max-flow with energy value
Amount calculates；The per second of calorimeter is calculated with energy value by calorimeter current flow, and standard is per second to press peak flow meter with energy value
It calculates.
Optionally, pre-determined number is continuous 12 times, and acquisition interval is not less than 15 minutes.
The present invention also provides the systems that phase sequence error event occurs for a kind of identification measuring equipment, comprising:
Acquisition module: the measuring equipment data of the measuring equipment of energy measurement management system main website independent acquisition pre-determined number
Block；
The data block includes: connect on energy source pipeline upstream and downstream same type measuring equipment quantity, upstream meter
Amount equipment generates that phase sequence error logging number, measuring equipment is per second uses energy value with energy value and downstream dosing device are per second
With upstream measuring equipment energy value difference per second；
First judgment module: judge whether measuring equipment occurs phase sequence mistake according to data block parameter, determine metering
Phase sequence mistake occurs for equipment；
Second judgment module: judge whether measuring equipment all occurs phase according to the data block of independent acquisition pre-determined number
Sequence error determines that phase sequence error event occurs for measuring equipment.
Optionally, phase sequence mistake refers to that data block meets the following conditions, comprising: upstream of connecting on energy source pipeline
With 2, downstream same type measuring equipment, and downstream does not produce there is no same type of another measuring equipment, upstream measuring equipment
Raw phase sequence error logging, measuring equipment energy value per second are less than 10 times of standard energy value per second and downstream metering is set
It is standby it is per second with energy value and the absolute value of upstream measuring equipment energy value difference per second with upstream measuring equipment is per second uses energy
The ratio of value is greater than 10%.
Optionally, measuring equipment includes electric energy meter, water meter, gas meter, flow meter and calorimeter.
Optionally, the per second of electric energy meter is calculated with energy value by apparent energy value, and standard is per second to press specified function with energy value
Rate calculates；The per second of water meter is calculated with energy value by the current instantaneous velocity of water meter, and standard is per second to press peak flow meter with energy value
It calculates；The per second of gas meter, flow meter is calculated with energy value by gas meter, flow meter current gas flow velocity indicating value, and standard is per second to press max-flow with energy value
Amount calculates；The per second of calorimeter is calculated with energy value by calorimeter current flow, and standard is per second to press peak flow meter with energy value
It calculates.
Optionally, pre-determined number is continuous 12 times, and acquisition interval is not less than 15 minutes.
The present invention has the advantages that
(1) present invention energizes intensity according to measuring equipment and for the monitoring result of energy flow, analyzes the installation of measuring equipment
Whether there may be exceptions, and analyze user with the presence or absence of improper the case where using energy.
(2) present invention is used for electricity-water-gas heat energy metering management system, sets suitable for system main website, acquisition equipment and metering
The standby system structure constructed jointly acquires measuring equipment data by acquisition equipment, carries out data analysis in system main website, judges phase
Position sequence error state and event, analysis result can support the operation and maintenance of energy measurement management system, improve work effect
Rate, lifting system operational reliability.
Detailed description of the invention
Fig. 1 is the method flow diagram that phase sequence error event occurs for a kind of identification measuring equipment of the present invention；
Fig. 2 is the system construction drawing that phase sequence error event occurs for a kind of identification measuring equipment of the present invention.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
The present invention provides a kind of method of identification measuring equipment generation phase sequence error event, as shown in Figure 1, comprising:
Step 1: energy measurement management system main website independent acquisition pre-determined number continuous 12 times, acquisition interval is not less than 15
The measuring equipment data block of the measuring equipment of minute；
Wherein, data block includes: connect on energy source pipeline upstream and downstream same type measuring equipment quantity, upstream meter
Amount equipment generates that phase sequence error logging number, measuring equipment is per second uses energy value with energy value and downstream dosing device are per second
With upstream measuring equipment energy value difference per second；The per second of electric energy meter is calculated with energy value by apparent energy value, standard use per second
Energy value is calculated by rated power；The per second of water meter is calculated with energy value by the current instantaneous velocity of water meter, and standard is per second to use energy
Value is calculated by maximum stream flow；The per second of gas meter, flow meter is calculated with energy value by gas meter, flow meter current gas flow velocity indicating value, standard use per second
Energy value is calculated by maximum stream flow；The per second of calorimeter is calculated with energy value by calorimeter current flow, and standard is per second to use energy
Value is calculated by maximum stream flow；
Step 2: judging whether measuring equipment occurs phase sequence mistake according to data block parameter；If measuring equipment occurs
Phase sequence mistake enters step 3, otherwise exits；
Phase sequence mistake refers to that data block meets series connection upstream and downstream 2 in the following conditions, including energy source pipeline
A same type measuring equipment, and there is no same type of another measuring equipment, upstream measuring equipments not to generate phase in downstream
Sequence error record, measuring equipment are per second per second less than 10 times of standard energy value per second and downstream dosing device with energy value
With the ratio of the absolute value and upstream measuring equipment energy value per second of energy value and upstream measuring equipment energy value difference per second
Value is greater than 10%.
Step 3: it is suitable to judge whether measuring equipment all occurs metering phase according to the data block of independent acquisition pre-determined number
Sequence mistake determines that phase sequence error event occurs for measuring equipment, otherwise moves back if measuring equipment phase sequence mistake all occurs
Out.
The present invention also provides the systems that phase sequence error event occurs for a kind of identification measuring equipment, as shown in Fig. 2, system
200 include:
Continuous 12 times of acquisition module 201, energy measurement management system main website independent acquisition pre-determined number, acquisition interval is not small
In the measuring equipment data block of 15 minutes measuring equipments；
Wherein, data block includes: connect on energy source pipeline upstream and downstream same type measuring equipment quantity, upstream meter
Amount equipment generates that phase sequence error logging number, measuring equipment is per second uses energy value with energy value and downstream dosing device are per second
With upstream measuring equipment energy value difference per second；The per second of electric energy meter is calculated with energy value by apparent energy value, standard use per second
Energy value is calculated by rated power；The per second of water meter is calculated with energy value by the current instantaneous velocity of water meter, and standard is per second to use energy
Value is calculated by maximum stream flow；The per second of gas meter, flow meter is calculated with energy value by gas meter, flow meter current gas flow velocity indicating value, standard use per second
Energy value is calculated by maximum stream flow；The per second of calorimeter is calculated with energy value by calorimeter current flow, and standard is per second to use energy
Value is calculated by maximum stream flow；
First judgment module 202 judges that phase sequence mistake occurs for measuring equipment according to data block parameter；
Phase sequence mistake refers to that data block meets series connection upstream and downstream 2 in the following conditions, including energy source pipeline
A same type measuring equipment, and there is no same type of another measuring equipment, upstream measuring equipments not to generate phase in downstream
Sequence error record, measuring equipment are per second per second less than 10 times of standard energy value per second and downstream dosing device with energy value
With the ratio of the absolute value and upstream measuring equipment energy value per second of energy value and upstream measuring equipment energy value difference per second
Value is greater than 10%.
Second judgment module 203 judges whether measuring equipment all occurs according to the data block of independent acquisition pre-determined number
Phase sequence mistake is measured, determines that phase sequence error event occurs for measuring equipment.
The present invention according to measuring equipment energizes intensity and for the monitoring result of energy flow, analyze measuring equipment installation whether
There may be exceptions, and analyze user with the presence or absence of improper the case where using energy.
The present invention is used for electricity-water-gas heat energy metering management system, is suitable for system main website, acquisition equipment and measuring equipment
The system structure constructed jointly acquires measuring equipment data by acquisition equipment, carries out data analysis in system main website, judges phase
Sequence error state and event, analysis result can support the operation and maintenance of energy measurement management system, improve working efficiency,
Lifting system operational reliability.
Claims (10)
1. a kind of method that phase sequence error event occurs for identification measuring equipment, it is characterised in that:
Step 1: the measuring equipment data block of the measuring equipment of energy measurement management system main website independent acquisition pre-determined number；
The data block include: on energy source pipeline connect upstream and downstream same type measuring equipment quantity, upstream metering set
It is standby generate phase sequence error logging number, measuring equipment it is per second with energy value and downstream dosing device energy value per second and on
Swim measuring equipment energy value difference per second；
Step 2: judging whether measuring equipment occurs phase sequence mistake according to data block parameter；If phase occurs for measuring equipment
Sequence error enters step 3, otherwise exits；
Step 3: judge whether measuring equipment all occurs phase sequence mistake according to the data block of independent acquisition pre-determined number,
If metering phase sequence mistake all occurs, determines that phase sequence error event occurs for measuring equipment, otherwise exit.
2. according to the method described in claim 1, it is characterized by: the phase sequence mistake refers to that data block satisfaction is following
Condition, comprising: 2 same type measuring equipments of upstream and downstream of connecting on energy source pipeline, and same type is not present in downstream
Another measuring equipment, upstream measuring equipment do not generate that phase sequence error logging, measuring equipment are per second to be less than with energy value
Standard 10 times and downstream dosing device energy value and upstream measuring equipment energy value difference per second per second per second with energy value
The absolute value and the upstream measuring equipment ratio per second with energy value of value are greater than 10%.
3. according to the method described in claim 1, it is characterized by: the measuring equipment includes electric energy meter, water meter, gas meter, flow meter
And calorimeter.
4. according to the method described in claim 3, it is characterized by: the per second of the electric energy meter presses apparent energy with energy value
Value calculates, and standard is per second to be calculated with energy value by rated power；Water meter it is per second with energy value based on the current instantaneous velocity of water meter
It calculates, standard is per second to be calculated with energy value by maximum stream flow；The per second of gas meter, flow meter is shown with energy value by gas meter, flow meter current gas flow velocity
Value calculates, and standard is per second to be calculated with energy value by maximum stream flow；Calorimeter it is per second with energy value based on calorimeter current flow
It calculates, standard is per second to be calculated with energy value by maximum stream flow.
5. according to the method described in claim 1, acquisition interval is not it is characterized by: the pre-determined number is continuous 12 times
Less than 15 minutes.
6. the system that phase sequence error event occurs for a kind of identification measuring equipment characterized by comprising
Acquisition module: the measuring equipment data block of the measuring equipment of energy measurement management system main website independent acquisition pre-determined number；
The data block include: on energy source pipeline connect upstream and downstream same type measuring equipment quantity, upstream metering set
It is standby generate phase sequence error logging number, measuring equipment it is per second with energy value and downstream dosing device energy value per second and on
Swim measuring equipment energy value difference per second；
First judgment module: judge whether measuring equipment occurs phase sequence mistake according to data block, determine measuring equipment
Phase sequence mistake；
Second judgment module: judge whether measuring equipment all occurs phase sequence according to the data block of independent acquisition pre-determined number
Mistake determines that phase sequence error event occurs for measuring equipment.
7. system according to claim 6, it is characterised in that: it is following that the phase sequence mistake refers to that data block meets
Condition, comprising: 2 same type measuring equipments of upstream and downstream of connecting on energy source pipeline, and same type is not present in downstream
Another measuring equipment, upstream measuring equipment do not generate that phase sequence error logging, measuring equipment are per second to be less than with energy value
Standard 10 times and downstream dosing device energy value and upstream measuring equipment energy value difference per second per second per second with energy value
The absolute value and the upstream measuring equipment ratio per second with energy value of value are greater than 10%.
8. system according to claim 6, it is characterised in that: the measuring equipment includes electric energy meter, water meter, gas meter, flow meter
And calorimeter.
9. system according to claim 6, it is characterised in that: the per second of the electric energy meter presses apparent energy with energy value
Value calculates, and standard is per second to be calculated with energy value by rated power；Water meter it is per second with energy value based on the current instantaneous velocity of water meter
It calculates, standard is per second to be calculated with energy value by maximum stream flow；The per second of gas meter, flow meter is shown with energy value by gas meter, flow meter current gas flow velocity
Value calculates, and standard is per second to be calculated with energy value by maximum stream flow；Calorimeter it is per second with energy value based on calorimeter current flow
It calculates, standard is per second to be calculated with energy value by maximum stream flow.
10. system according to claim 6, it is characterised in that: the pre-determined number is continuous 12 times, and acquisition interval is not
Less than 15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087627.XA CN109447278A (en) | 2018-09-18 | 2018-09-18 | The method and system of phase sequence error event occurs for a kind of identification measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087627.XA CN109447278A (en) | 2018-09-18 | 2018-09-18 | The method and system of phase sequence error event occurs for a kind of identification measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109447278A true CN109447278A (en) | 2019-03-08 |
Family
ID=65530506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811087627.XA Pending CN109447278A (en) | 2018-09-18 | 2018-09-18 | The method and system of phase sequence error event occurs for a kind of identification measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109447278A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532745A (en) * | 2013-09-25 | 2014-01-22 | 国家电网公司 | Metering online monitoring system based on power user power consumption information acquisition system |
| CN106405475A (en) * | 2016-08-31 | 2017-02-15 | 国网江苏省电力公司常州供电公司 | Electric energy meter abnormity diagnosis method |
| CN108171960A (en) * | 2017-12-14 | 2018-06-15 | 深圳市科陆电子科技股份有限公司 | A kind of self-diagnosing method and system of comprehensive energy management platform metering device exception |
-
2018
- 2018-09-18 CN CN201811087627.XA patent/CN109447278A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532745A (en) * | 2013-09-25 | 2014-01-22 | 国家电网公司 | Metering online monitoring system based on power user power consumption information acquisition system |
| CN106405475A (en) * | 2016-08-31 | 2017-02-15 | 国网江苏省电力公司常州供电公司 | Electric energy meter abnormity diagnosis method |
| CN108171960A (en) * | 2017-12-14 | 2018-06-15 | 深圳市科陆电子科技股份有限公司 | A kind of self-diagnosing method and system of comprehensive energy management platform metering device exception |
Non-Patent Citations (1)
| Title |
|---|
| 王梓;: "低压三相电能计量装置的误差分析及改善措施", 中国高新技术企业 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107462863A (en) | A kind of intelligent electric energy meter kinematic error operational diagnostics analysis method and system | |
| CN110806518B (en) | Transformer area line loss abnormal motion analysis module and operation method thereof | |
| CN108470246A (en) | A kind of planning distribution network reliability index evaluating method of feature based parameter | |
| CN109345786A (en) | A kind of non-resident user power utilization abnormal conditions automatic alarm system of low pressure | |
| CN208092112U (en) | A kind of non-intruding measuring equipment of the distributed installation of sampling identification | |
| CN109443395B (en) | Method and system for judging whether energy consumption intensity multipoint measurement difference value exceeds limit value | |
| CN109447278A (en) | The method and system of phase sequence error event occurs for a kind of identification measuring equipment | |
| CN110780129A (en) | Electricity stealing and leakage positioning method based on current deviation analysis technology | |
| CN109470289B (en) | Method and system for identifying energy flow value reverse event for metering equipment | |
| CN109492184A (en) | It is a kind of to measure difference more than limit value judgment method and system with energy value multiple spot | |
| CN105182030A (en) | Electricity-stealing mode recognition method for distributed photovoltaic generation | |
| CN109253752A (en) | Judgment method and system are interrupted in a kind of energy supply of measuring equipment | |
| CN109389519A (en) | Abnormal method and system is reversely measured in a kind of identification with energy value | |
| CN109253749A (en) | A kind of grade for measuring equipment clock error event determines method | |
| CN109253750A (en) | A kind of excessive abnormality judgment method of metering aggregate-value increment and system of measuring equipment | |
| CN109214826A (en) | A kind of measuring equipment pre-payment abnormality judgment method and system | |
| CN109357704B (en) | Method and system for judging excessively low energy supply flow | |
| CN109443396A (en) | It is a kind of for energy supply the excessive method and system judged of strength difference | |
| CN104361422A (en) | Power consumer power quality data collection method based on economic evaluation | |
| CN109283880B (en) | Method and system for judging overlarge energy supply flow difference value | |
| CN109146710B (en) | Method and system for judging abnormal state of energy price parameter of metering equipment | |
| CN109299872A (en) | It is a kind of for being more than the method and system that are judged of limit value to energy supply intensity | |
| CN112345998B (en) | Electric energy metering system and method under complex operation state of power grid | |
| CN109357700B (en) | Method and system for judging partial branch missing of energy supply strength | |
| CN109444798B (en) | Method and system for determining that accumulated metering value of metering equipment is in negative increment state |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |