CN110138090A - Monitoring method and server-side, terminal, the system of power supply - Google Patents
Monitoring method and server-side, terminal, the system of power supply Download PDFInfo
- Publication number
- CN110138090A CN110138090A CN201910512075.0A CN201910512075A CN110138090A CN 110138090 A CN110138090 A CN 110138090A CN 201910512075 A CN201910512075 A CN 201910512075A CN 110138090 A CN110138090 A CN 110138090A
- Authority
- CN
- China
- Prior art keywords
- flickering
- compensator
- power supply
- time
- safety coefficient
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000008901 benefit Effects 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000004891 communication Methods 0.000 description 20
- 230000005611 electricity Effects 0.000 description 20
- 238000003860 storage Methods 0.000 description 11
- 241000196324 Embryophyta Species 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- H02J13/0062—
Abstract
The invention discloses a kind of monitoring method of power supply and server-side, terminal, systems, are related to technical field of power systems, and main purpose is the production efficiency for solving the problem of that the existing power quality quality in power supply will affect different types of factory.It include: to acquire power data from the sensor being configured at from the supply node of different zones；The flickering extreme value with the power supply ratings match is searched, calculates the flickering extreme value, the voltage value, the current value, the power-on time, the corresponding flickering safety coefficient of the power supply grade according to safe flickering formula is preset；Judge whether the flickering safety coefficient is greater than default flickering safety coefficient；If more than then configuring the difference of the flickering safety coefficient and the default flickering safety coefficient to the compensating parameter of compensator, and choose the switching time and compensation time for switching switch in compensator according to the compensating parameter；Enabled instruction is sent to the compensator；Receive the offset data of the compensator feedback.
Description
Technical field
The present invention relates to a kind of technical field of power systems, monitoring method and server-side more particularly to a kind of power supply,
Terminal, system.
Background technique
China is an electricity consumption big country, and in particular for large-scale heavy industrial works, annual power supply volume is often close to some
Therefore the total electricity consumption in region also brings bigger economic pressures.Wherein, the electric system of large-scale heavy industrial works passes through electricity
When cable is powered, leads to occur flickering situation due to environment, power reliability etc. and big volume and electricity is caused to lose, factory can be made
At weight huge economic loss.
Currently, during transmitting electric power the electric power flickering as caused by electrical power stabilization and lose electricity, reduce making for electricity
With efficiency, in addition, being directed to the flickering of electricity, different factories is also different for the scope of application of flickering in electricity consumption, is configuring
It also can be different when compensator.For example, be similarly positioned in an area, heavy industrial works will not be by for the flickering voltage value less than 38 volts
To influence, and fine light industry can only receive the flickering voltage value less than 5 volts.Therefore, in power supply, power quality quality
The production efficiency that will affect different types of factory is badly in need of a kind of power supply monitoring method to solve the above problems.
Summary of the invention
In view of this, the present invention provides a kind of monitoring method of power supply and server-side, terminal, system, main purpose are
Solve the problem of that the existing power quality quality in power supply will affect the production efficiency of different types of factory.
According to the present invention on one side, a kind of monitoring method of power supply is provided, comprising:
Power data is acquired from the sensor being configured at from the supply node of different zones, the power data includes electricity
Pressure value, current value, power-on time, power supply grade；
The flickering extreme value with the power supply ratings match is searched, calculates the flickering pole according to safe flickering formula is preset
Value, the voltage value, the current value, the power-on time, the corresponding flickering safety coefficient of the power supply grade；
Judge whether the flickering safety coefficient is greater than default flickering safety coefficient；
If more than default flickering safety coefficient, then by the difference of the flickering safety coefficient and the default flickering safety coefficient
It is configured to the compensating parameter of compensator, and chooses switching time and the benefit for switching switch in compensator according to the compensating parameter
It repays the time, the compensator is that the combined type switched over by the switching switch between active compensator and reactive-load compensator is mended
Repay device；
Enabled instruction is sent to the compensator, when carrying the compensating parameter, the compensation in the enabled instruction
Between, the switching time；
The offset data for receiving the compensator feedback generates monitoring log according to the offset data, and according to default
Time interval exports the monitoring log.
According to the present invention on one side, the monitoring method of another power supply is provided, comprising:
Enabled instruction is received, compensating parameter, compensation time, switching time are carried in the enabled instruction；
The switching time for switching switch between active compensator and reactive-load compensator, and root are adjusted according to the switching time
The Lifetime in the reactive-load compensator is determined according to the compensation time；
Send the offset data generated when running the active compensator, reactive-load compensator according to the switching time.
According to the present invention on one side, a kind of server-side is provided, comprising:
Acquisition unit, it is described for acquiring power data from the sensor being configured at from the supply node of different zones
Power data includes voltage value, current value, power-on time, power supply grade；
Searching unit, for searching the flickering extreme value with the power supply ratings match, according to presetting safe flickering formula meter
Calculate the corresponding flickering safety of the flickering extreme value, the voltage value, the current value, the power-on time, the power supply grade
Coefficient；
Judging unit, for judging whether the flickering safety coefficient is greater than default flickering safety coefficient；
Selection unit is used for if more than default flickering safety coefficient, then by the flickering safety coefficient and the default sudden strain of a muscle
The difference for becoming safety coefficient is configured to the compensating parameter of compensator, and chooses switching switch in compensator according to the compensating parameter
Switching time and compensation time, the compensator are to switch to carry out by the switching between active compensator and reactive-load compensator
The combined type compensator of switching；
Transmission unit carries the compensation ginseng for sending enabled instruction to the compensator in the enabled instruction
Several, the described compensation time, the switching time；
Receiving unit receives the offset data of the compensator feedback, generates monitoring log according to the offset data, and
The monitoring log is exported according to prefixed time interval.
According to the present invention on one side, a kind of terminal is provided, comprising:
Receiving unit carries compensating parameter, compensation time, switching for receiving enabled instruction in the enabled instruction
Time；
Adjustment unit, for adjusting switching switch between active compensator and reactive-load compensator according to the switching time
Switching time, and the Lifetime in the reactive-load compensator is determined according to the compensation time；
Transmission unit generates when running the active compensator, reactive-load compensator according to the switching time for sending
Offset data.
According to the present invention on one side, a kind of monitoring system of power supply is provided, comprising: server-side, terminal,
The server-side, for acquiring power data from the sensor being configured at from the supply node of different zones, institute
Stating power data includes voltage value, current value, power-on time, power supply grade；
The server-side is also used to search the flickering extreme value with the power supply ratings match, public according to safe flickering is preset
Formula calculates the flickering extreme value, the voltage value, the current value, the power-on time, the corresponding flickering of the power supply grade
Safety coefficient；
The server-side, is also used to judge whether the flickering safety coefficient is greater than default flickering safety coefficient；
The server-side is also used to if more than default flickering safety coefficient, then by the flickering safety coefficient with it is described pre-
If the difference of flickering safety coefficient is configured to the compensating parameter of compensator, and chooses to switch in compensator according to the compensating parameter and open
The switching time and compensation time of pass, the compensator are to be switched by the switching between active compensator and reactive-load compensator
The combined type compensator switched over；
The server-side is also used to send enabled instruction to the compensator, carries the benefit in the enabled instruction
Repay parameter, the compensation time, the switching time；
The terminal carries compensating parameter, compensation time, switching for receiving enabled instruction in the enabled instruction
Time；
The terminal is also used to adjust switching switch between active compensator and reactive-load compensator according to the switching time
Switching time, and the Lifetime in the reactive-load compensator is determined according to the compensation time；
The terminal is also used to send production when running the active compensator, reactive-load compensator according to the switching time
Raw offset data；
The server-side is also used to receive the offset data of the compensator feedback, is generated and supervised according to the offset data
Log is controlled, and exports the monitoring log according to prefixed time interval.
According to another aspect of the invention, a kind of storage medium is provided, at least one is stored in the storage medium can
It executes instruction, the executable instruction makes processor execute the corresponding operation of monitoring method such as above-mentioned power supply.
According to another aspect of the invention, a kind of computer equipment is provided, comprising: processor, memory, communication interface
And communication bus, the processor, the memory and the communication interface complete mutual lead to by the communication bus
Letter；
For the memory for storing an at least executable instruction, it is above-mentioned that the executable instruction executes the processor
The corresponding operation of the monitoring method of power supply.
In accordance with a further aspect of the present invention, a kind of storage medium is provided, at least one is stored in the storage medium can
It executes instruction, the executable instruction makes processor execute the corresponding operation of monitoring method such as above-mentioned power supply.
In accordance with a further aspect of the present invention, a kind of computer equipment is provided, comprising: processor, memory, communication interface
And communication bus, the processor, the memory and the communication interface complete mutual lead to by the communication bus
Letter；
For the memory for storing an at least executable instruction, it is above-mentioned that the executable instruction executes the processor
The corresponding operation of the monitoring method of power supply.
By above-mentioned technical proposal, technical solution provided in an embodiment of the present invention is at least had the advantage that
The present invention provides a kind of monitoring method of power supply and server-side, terminal, systems, transmit electric power with the prior art
The electric power flickering as caused by electrical power stabilization in journey and lose electricity, reduce the service efficiency of electricity, in addition, be directed to electricity sudden strain of a muscle
Become, different factories is also different for the scope of application of flickering in electricity consumption, when configure compensator also can difference compare,
Inventive embodiments acquire the power data in supply node by server-side, and search matched flickering extreme value, calculate power supply
The corresponding flickering safety coefficient of data, when flickering safety coefficient is greater than default flickering safety coefficient, server-side is cut to terminal transmission
Change instruction, terminal after receiving switching command, according in instruction switching time and compensation the time, compensating parameter adjustment it is active
Switching time between compensator and reactive-load compensator, and compensated according to compensation time and compensating parameter, and to server-side
Offset data is returned to, server-side generates monitoring log after receiving offset data, to realize for factory types in different zones
Difference leads to occur the diversity of compensation way when flickering, improves the production efficiency of different types of factory, to improve electric energy
Quality.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows a kind of monitoring method flow chart of power supply provided in an embodiment of the present invention；
Fig. 2 shows the monitoring method flow charts of another power supply provided in an embodiment of the present invention；
Fig. 3 shows the monitoring method flow chart of another power supply provided in an embodiment of the present invention；
Fig. 4 shows a kind of composition block diagram of server-side provided in an embodiment of the present invention；
Fig. 5 shows the composition block diagram of another server-side provided in an embodiment of the present invention；
Fig. 6 shows a kind of composition block diagram of terminal provided in an embodiment of the present invention；
Fig. 7 shows a kind of structural schematic diagram of computer equipment provided in an embodiment of the present invention；
Fig. 8 shows the structural schematic diagram of another computer equipment provided in an embodiment of the present invention；
Fig. 9 shows a kind of structural schematic diagram of the monitoring system of power supply provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
The embodiment of the invention provides a kind of monitoring methods of power supply, as shown in Figure 1, this method comprises:
101, power data is acquired from the sensor being configured at from the supply node of different zones.
Wherein, the power data includes voltage value, current value, power-on time, power supply grade, and the supply node can be with
For the corresponding power supply transformation station of different zones, sensor in each power supply transformation station configured with measurement voltage value, current value is used
Voltage value and current value when acquiring power supply.In addition, since the different zones in the embodiment of the present invention are predetermined confession
Therefore when transformation station is powered in configuration, this region pair can be written in each sensor in the corresponding power transmission area of electric transformation station
The power supply grade answered, power supply grade are associated with the factory types in this region and factory's number.The power-on time is record
Time after power cable energization.
102, the flickering extreme value with the power supply ratings match is searched, calculates the flickering according to safe flickering formula is preset
Extreme value, the voltage value, the current value, the power-on time, the corresponding flickering safety coefficient of the power supply grade.
Wherein, described to preset safe flickering formula and beThe t is power-on time, and the g is flickering
Extreme value, the u are voltage value, and the i is current value.
It should be noted that the flickering extreme value is to be stored in advance in the power supply grade proportion table of system background, power supply
Record has the corresponding flickering extreme value of different power supply grades in grade proportion table, since different zones are powered etc. configured with corresponding
Grade, therefore, different power supply grades corresponds to different flickering extreme values, and the embodiment of the present invention does not do the specific value of flickering extreme value
It limits.
103, judge whether the flickering safety coefficient is greater than default flickering safety coefficient.
For the embodiment of the present invention, whether the power data in order to determine different zones acquisition is safe, needs in step 102
Judge whether calculated flickering safety coefficient is greater than default flickering safety coefficient later.Wherein, the default flickering safety is
Number is the preset flickering safety coefficient no more than of different zones, and power system staff can occur according to flickering
Abnormal accident when flickering value set, the embodiment of the present invention is not specifically limited.
104, if more than default flickering safety coefficient, then by the flickering safety coefficient and the default flickering safety coefficient
Difference be configured to the compensating parameter of compensator, and chosen according to the compensating parameter switch in compensator the switching time of switch with
And the compensation time.
Wherein, the compensator is the group switched over by the switching switch between active compensator and reactive-load compensator
Box-like compensator, for the compensating parameter for compensating to by compensator to flickering phenomenon, the switching time is switching
The switching time between active compensator or reactive-load compensator is chosen in compensator.In the embodiment of the present invention, the time is compensated
For the total time of compensator compensation, it is configured with active compensator and reactive-load compensator in compensator, passes through the single-pole double throw of connection
Relay is chosen one of them and is compensated, and the switching time of single-pole double-throw relay is chosen by compensating parameter.This
In inventive embodiments, the corresponding relationship of compensation time, switching time and compensating parameter are stored in system background, compensate when calculating
When parameter, compensating parameter corresponding compensation time, switching time are found out from corresponding relationship.As shown in the table, switching time
Corresponding switching connects the time of active compensator, when reaching switching to the time of single-pole double-throw relay contact 1
Between after, switch to contact 2, be continuously turned on reactive-load compensator.
105, Xiang Suoshu compensator sends enabled instruction.
Wherein, the compensating parameter, the compensation time, the switching time are carried in the enabled instruction.This hair
In bright embodiment, by WLAN progress data connection, compensator is configured at step for compensator and current monitoring service end
In rapid 101 in the acquisition position of sensor, i.e., the acquisition position of each power data is each equipped with a compensator, so as to when out
It is compensated when existing flickering.
106, the offset data for receiving the compensator feedback, generates according to the offset data and monitors log, and according to
Prefixed time interval exports the monitoring log.
For the embodiment of the present invention, the offset data is that reactive-load compensator and active compensation implement body carry out in compensator
The voltage data of compensation, record has compensator when carrying out voltage compensation to the voltage data specifically compensated in the monitoring log
And corresponding flickering safety coefficient, checked and monitored for the ease of the flickering phenomenon to different monitoring point, according to it is default when
Between be spaced output monitoring log, the prefixed time interval can be 1 week, 1 month etc., the embodiment of the present invention did not did specific limit
It is fixed.
The present invention provides a kind of monitoring methods of power supply, since electrical power stabilization is made during transmitting electric power with the prior art
At electric power flickering and lose electricity, reduce the service efficiency of electricity, in addition, be directed to electricity flickering, different factories with
It is also different for the scope of application of flickering when electric, when configuring compensator also can difference compare, the embodiment of the present invention passes through acquisition
Power data in supply node, and matched flickering extreme value is searched, the corresponding flickering safety coefficient of power data is calculated, when
Server-side sends switching command to terminal when flickering safety coefficient is greater than default flickering safety coefficient, receives life after offset data
At monitoring log, the diversity of compensation way, is mentioned when leading to occur flickering for factory types difference in different zones to realize
The production efficiency of high different types of factory, to improve power quality.
The embodiment of the invention provides the monitoring methods of another kind power supply, as shown in Fig. 2, this method comprises:
201, the plant information in different zones is obtained, it is corresponding to configure the plant information according to power supply grade corresponding relationship
Power supply grade.
For the embodiment of the present invention, in order to for there are different types of factory's electricity consumption situations will lead to not in different regions
Same flickering ability to bear needs to configure corresponding power supply grade according to plant information, includes factory class in the plant information
Type, factory's number, the power supply grade corresponding relationship be factory types, factory's number respectively with power supply level-one, power supply second level, supply
Corresponding relationship present in electric three-level.Wherein, factory's number as present in each region, factory types are different, due to weight
Industrial plant is when transmitting electric power, will not when flickering voltage value is no more than certain value there are when a degree of flickering phenomenon
Industrial production is influenced, and light industry factory is more demanding to transmitting electric power, and can not receive flickering situation, can be very big when there is flickering
Degree influences industrial production, and therefore, factory types include light industry factory and heavy industrial works.In addition, including in plant information
Factory types and factory's number in region, it is light industry that the power supply grade corresponding relationship in the embodiment of the present invention, which is factory types,
Industry factory, and though factory's number be it is how many, power supply grade is corresponding to level-one, and factory types are heavy industrial works, no matter factory
Number be it is how many, power supply grade is corresponding to three-level, factory types be include light industry factory, and including heavy industrial works, when light
When industrial plant number is greater than heavy industrial works number, power supply grade is corresponding to level-one, when light industry factory number is less than or equal to
When heavy industrial works number, power supply grade is corresponding to second level.
202, power data is acquired from the sensor being configured at from the supply node of different zones.
This step is identical as step 101 method shown in FIG. 1, and details are not described herein.
203, the flickering extreme value with the power supply ratings match is searched from power supply grade proportion table.
For the embodiment of the present invention, in order to accurately find the flickering extreme value of power supply ratings match, the power supply grade
Record has the corresponding flickering extreme value of different power supply grades in proportion table, since different zones are configured with corresponding power supply grade, because
This, different power supply grades corresponds to different flickering extreme values, the embodiment of the present invention to the specific value of flickering extreme value without limitation.
As shown in the table, wherein U is conveying voltage value.
Grade of powering matches table
| Level-one | Second level | Three-level | |
| Flickering extreme value | 0.2U | 0.4U | 0.6U |
204, by the flickering extreme value, the voltage value, the current value, the power-on time, the power supply grade generation
Enter it is described preset safe flickering formula, calculate flickering safety coefficient.
Wherein, described to preset safe flickering formula and beThe t is power-on time, and the g is flickering
Extreme value, the u are voltage value, and the i is current value,
205, judge whether the flickering safety coefficient is greater than default flickering safety coefficient.
This step is identical as step 103 method shown in FIG. 1, and details are not described herein.
206a, if more than default flickering safety coefficient, then be safely by the flickering safety coefficient and the default flickering
The difference of number is configured to the compensating parameter of compensator, and the switching time for switching switch in compensator is chosen according to the compensating parameter
And the compensation time.
This step is identical as step 104 method shown in FIG. 1, and details are not described herein.
If 206b, being less than default flickering safety coefficient, the power data and the flickering safety coefficient are recorded, and more
In the new extremely monitoring log.
For the embodiment of the present invention, in order to be monitored in real time to calculated flickering safety coefficient, dodged when being less than to preset
When becoming safety coefficient, record power data and calculated flickering safety coefficient are updated in monitoring log, so as to technical staff
Preset flickering safety coefficient is regularly updated according to the data in monitoring log, the embodiment of the present invention is not specifically limited.
207, Xiang Suoshu compensator sends enabled instruction.
This step is identical as step 105 method shown in FIG. 1, and details are not described herein.
208, the offset data for receiving the compensator feedback, generates according to the offset data and monitors log, and according to
Prefixed time interval exports the monitoring log.
This step is identical as step 106 method shown in FIG. 1, and details are not described herein.
209, the offset data in the monitoring log and switching time are counted, switching time after statistics is greater than default
Offset data after abnormal switching time and statistics is less than predesigned compensation numerical value, then sends a warning message.
For the embodiment of the present invention, in order to cut when switched between function compensator and reactive-load compensator
It changes overlong time and influences the service life of active compensator and reactive-load compensator, reduce the efficiency of compensation.Therefore, according to switching
The offset data of time Statistical monitor log compensated number such as switching time 10 minutes, offset data a, switching time 1 hour
According to for b, the switching time after statistics is 10 minutes 1 hour, and the offset data after statistics is a+b, when the default abnormal switching
Between with predesigned compensation numerical value be technical staff preset numerical value, the embodiment of the present invention do not do specific limit based on practical experience
It is fixed.The offset data that switching time after statistics is greater than after presetting abnormal switching time and counting is less than predesigned compensation numerical value,
Then send a warning message, switching time and offset data after statistics is carried in warning information, so that technical staff checks.
The present invention provides the monitoring method of another kind power supply, the embodiment of the present invention passes through the power supply in acquisition supply node
Data, and matched flickering extreme value is searched, the corresponding flickering safety coefficient of power data is calculated, when flickering safety coefficient is greater than
Server-side sends switching command to terminal when default flickering safety coefficient, monitoring log is generated after receiving offset data, with reality
The diversity for now leading to occur compensation way when flickering for factory types difference in different zones, improves different types of factory
Production efficiency, to improve power quality.
The embodiment of the invention provides the monitoring methods of another power supply, as shown in figure 3, this method comprises:
301, enabled instruction is received.
Wherein, the processor of current compensator parses when receiving enabled instruction and carries compensation ginseng in enabled instruction
Number, compensation time, switching time, the compensating parameter is for compensating flickering phenomenon to by compensator, the switching
Time is to switch to choose switching time between active compensator or reactive-load compensator in compensator, and the compensation time is
Compensator compensation total time, according to switching time select compensator in single-pole double-throw relay switching to single-pole double throw after
The time of appliance contact 1 carries out switching by triggering single-pole double-throw relay after reaching switching time.
302, the switching time for switching switch between active compensator and reactive-load compensator is adjusted according to the switching time,
And the Lifetime in the reactive-load compensator is determined according to the compensation time.
Wherein, the Lifetime that the corresponding single-pole double-throw relay contact 1 of active compensator is adjusted by switching time, when
After reaching switching time, determine that the time of connection reactive-load compensator carries out voltage compensation.
303, the compensation number generated when running the active compensator, reactive-load compensator according to the switching time is sent
According to.
Wherein, the offset data is the voltage number that reactive-load compensator and active compensation implement body compensate in compensator
According to be monitored in server-side according to offset data.
The present invention provides the monitoring method of another power supply, the embodiment of the present invention by after receiving switching command,
According in instruction switching time and compensation time, compensating parameter adjust the switching between active compensator and reactive-load compensator when
Between, and compensated according to compensation time and compensating parameter, and return to offset data to server-side, different zones are directed to realize
Middle factory types difference leads to occur the diversity of compensation way when flickering, improves the production efficiency of different types of factory, from
And improve power quality.
Further, as the realization to method shown in above-mentioned Fig. 1, the embodiment of the invention provides a kind of server-sides, such as
Shown in Fig. 4, which includes: acquisition unit 41, searching unit 42, judging unit 43, selection unit 44, transmission unit 45, connects
Receive unit 46.
Acquisition unit 41, for acquiring power data from the sensor being configured at from the supply node of different zones, institute
Stating power data includes voltage value, current value, power-on time, power supply grade；
Searching unit 42, for searching the flickering extreme value with the power supply ratings match, according to presetting safe flickering formula
Calculate the corresponding flickering peace of the flickering extreme value, the voltage value, the current value, the power-on time, the power supply grade
Overall coefficient；
Judging unit 43, for judging whether the flickering safety coefficient is greater than default flickering safety coefficient；
Selection unit 44, for if more than default flickering safety coefficient, then presetting the flickering safety coefficient with described
The difference of flickering safety coefficient is configured to the compensating parameter of compensator, and chooses to switch in compensator according to the compensating parameter and switch
Switching time and compensation the time, the compensator be by the switching between active compensator and reactive-load compensator switch into
The combined type compensator of row switching；
Transmission unit 45 carries the compensation in the enabled instruction for sending enabled instruction to the compensator
Parameter, the compensation time, the switching time；
Receiving unit 46, receives the offset data of the compensator feedback, generates monitoring log according to the offset data,
And the monitoring log is exported according to prefixed time interval.
The present invention provides a kind of server-side, the embodiment of the present invention is looked by the power data in acquisition supply node
Matched flickering extreme value is looked for, the corresponding flickering safety coefficient of power data is calculated, when flickering safety coefficient is greater than default flickering
Server-side sends switching command to terminal when safety coefficient, monitoring log is generated after receiving offset data, to realize for not
The diversity of compensation way when leading to occur flickering with factory types difference in region improves the production effect of different types of factory
Rate, to improve power quality.
Further, as the realization to method shown in above-mentioned Fig. 2, the embodiment of the invention provides another server-side,
As shown in figure 5, the device include: acquisition unit 51, searching unit 52, judging unit 53, selection unit 54, transmission unit 55,
Receiving unit 56, acquiring unit 57, statistic unit 58, updating unit 59.
Acquisition unit 51, for acquiring power data from the sensor being configured at from the supply node of different zones, institute
Stating power data includes voltage value, current value, power-on time, power supply grade；
Searching unit 52, for searching the flickering extreme value with the power supply ratings match, according to presetting safe flickering formula
Calculate the corresponding flickering peace of the flickering extreme value, the voltage value, the current value, the power-on time, the power supply grade
Overall coefficient；
Judging unit 53, for judging whether the flickering safety coefficient is greater than default flickering safety coefficient；
Selection unit 54, for if more than default flickering safety coefficient, then presetting the flickering safety coefficient with described
The difference of flickering safety coefficient is configured to the compensating parameter of compensator, and chooses to switch in compensator according to the compensating parameter and switch
Switching time and compensation the time, the compensator be by the switching between active compensator and reactive-load compensator switch into
The combined type compensator of row switching；
Transmission unit 55 carries the compensation in the enabled instruction for sending enabled instruction to the compensator
Parameter, the compensation time, the switching time；
Receiving unit 56, receives the offset data of the compensator feedback, generates monitoring log according to the offset data,
And the monitoring log is exported according to prefixed time interval.
Further, the searching unit 52 includes:
Searching module 5201, for searching the flickering extreme value with the power supply ratings match from power supply grade proportion table,
Record has the corresponding flickering extreme value of different power supply grades in the power supply grade proportion table；
Computing module 5202 is used for the flickering extreme value, the voltage value, the current value, the power-on time, institute
State power supply grade substitute into it is described preset safe flickering formula, calculate flickering safety coefficient, it is described to preset safe flickering formula and beThe t is power-on time, and the g is flickering extreme value, and the u is voltage value, and the i is current value.
Further, the transmission unit 55 is also used to send switching command to the compensator, in the switching command
Including the switching switch and the switching position information between the active compensator, reactive-load compensator.
Further, the server-side further include:
Acquiring unit 57, for obtaining the plant information in different zones, according to described in power supply grade corresponding relationship configuration
Plant information corresponding power supply grade includes factory types, factory's number, the corresponding pass of the power supply grade in the plant information
System be factory types, factory's number respectively with power supply level-one, power supply second level, power supply three-level present in corresponding relationship.
Further, the server-side further include:
Statistic unit 58, the switching for counting offset data and switching time in the monitoring log, after statistics
The offset data that time is greater than after presetting abnormal switching time and counting is less than predesigned compensation numerical value, then sends a warning message.
Further, the server-side further include:
Updating unit 59, if recording the power data for being less than default flickering safety coefficient and the flickering being pacified
Overall coefficient, and be updated in the monitoring log.
The present invention provides another server-side, the embodiment of the present invention passes through the power data in acquisition supply node, and
Matched flickering extreme value is searched, the corresponding flickering safety coefficient of power data is calculated, when flickering safety coefficient is greater than default dodge
Server-side sends switching command to terminal when becoming safety coefficient, generates monitoring log after receiving offset data, is directed to realizing
Factory types difference leads to occur the diversity of compensation way when flickering in different zones, improves the production of different types of factory
Efficiency, to improve power quality.
Further, as the realization to method shown in above-mentioned Fig. 3, the embodiment of the invention provides a kind of terminals, such as Fig. 6
Shown, which includes: receiving unit 61, adjustment unit 62, transmission unit 63.
Receiving unit 61 carries compensating parameter, the compensation time, cuts for receiving enabled instruction in the enabled instruction
Change the time；
Adjustment unit 62 is switched for adjusting to switch between active compensator and reactive-load compensator according to the switching time
Switching time, and the Lifetime in the reactive-load compensator is determined according to the compensation time；
Transmission unit 63 produces when running the active compensator, reactive-load compensator according to the switching time for sending
Raw offset data.
The present invention provides a kind of terminal, the embodiment of the present invention is by after receiving switching command, according in instruction
Switching time and compensation time, compensating parameter adjust the switching time between active compensator and reactive-load compensator, and according to benefit
It repays the time and compensating parameter compensates, and return to offset data to server-side, to realize for factory types in different zones
Difference leads to occur the diversity of compensation way when flickering, improves the production efficiency of different types of factory, to improve electric energy
Quality.
A kind of storage medium is provided according to an embodiment of the present invention, and it is executable that the storage medium is stored at least one
The monitoring method of the power supply in above-mentioned any means embodiment can be performed in instruction, the computer executable instructions.
Fig. 7 shows a kind of structural schematic diagram of the computer equipment provided according to an embodiment of the present invention, the present invention
Specific embodiment does not limit the specific implementation of terminal.
As shown in fig. 7, the terminal may include: processor (processor) 702, communication interface (Communications
Interface) 704, memory (memory) 706 and communication bus 708.
Wherein: processor 702, communication interface 704 and memory 706 complete mutual lead to by communication bus 708
Letter.
Communication interface 704, for being communicated with the network element of other equipment such as client or other servers etc..
Processor 702 can specifically execute the phase in the monitoring method embodiment of above-mentioned power supply for executing program 710
Close step.
Specifically, program 710 may include program code, which includes computer operation instruction.
Processor 702 may be central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present invention
Road.The one or more processors that terminal includes can be same type of processor, such as one or more CPU；It is also possible to
Different types of processor, such as one or more CPU and one or more ASIC.
Memory 706, for storing program 710.Memory 706 may include high speed RAM memory, it is also possible to further include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.
Program 710 specifically can be used for so that processor 702 executes following operation:
Power data is acquired from the sensor being configured at from the supply node of different zones, the power data includes electricity
Pressure value, current value, power-on time, power supply grade；
The flickering extreme value with the power supply ratings match is searched, calculates the flickering pole according to safe flickering formula is preset
Value, the voltage value, the current value, the power-on time, the corresponding flickering safety coefficient of the power supply grade；
Judge whether the flickering safety coefficient is greater than default flickering safety coefficient；
If more than default flickering safety coefficient, then by the difference of the flickering safety coefficient and the default flickering safety coefficient
It is configured to the compensating parameter of compensator, and chooses switching time and the benefit for switching switch in compensator according to the compensating parameter
It repays the time, the compensator is that the combined type switched over by the switching switch between active compensator and reactive-load compensator is mended
Repay device；
Enabled instruction is sent to the compensator, when carrying the compensating parameter, the compensation in the enabled instruction
Between, the switching time；
The offset data for receiving the compensator feedback generates monitoring log according to the offset data, and according to default
Time interval exports the monitoring log.
A kind of storage medium is provided according to a further embodiment of the invention, and the storage medium is stored at least one and can hold
The monitoring method of the power supply in above-mentioned any means embodiment can be performed in row instruction, the computer executable instructions.
Fig. 8 shows a kind of structural schematic diagram of the computer equipment provided according to a further embodiment of the invention, this hair
Bright specific embodiment does not limit the specific implementation of terminal.
As shown in figure 8, the terminal may include: processor (processor) 802, communication interface (Communications
Interface) 804, memory (memory) 806 and communication bus 808.
Wherein: processor 802, communication interface 804 and memory 806 complete mutual lead to by communication bus 808
Letter.
Communication interface 804, for being communicated with the network element of other equipment such as client or other servers etc..
Processor 802 can specifically execute the phase in the monitoring method embodiment of above-mentioned power supply for executing program 810
Close step.
Specifically, program 810 may include program code, which includes computer operation instruction.
Processor 802 may be central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present invention
Road.The one or more processors that terminal includes can be same type of processor, such as one or more CPU；It is also possible to
Different types of processor, such as one or more CPU and one or more ASIC.
Memory 806, for storing program 810.Memory 806 may include high speed RAM memory, it is also possible to further include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.
Program 810 specifically can be used for so that processor 802 executes following operation:
Receiving unit carries compensating parameter, compensation time, switching for receiving enabled instruction in the enabled instruction
Time；
Adjustment unit, for adjusting switching switch between active compensator and reactive-load compensator according to the switching time
Switching time, and the Lifetime in the reactive-load compensator is determined according to the compensation time；
Transmission unit generates when running the active compensator, reactive-load compensator according to the switching time for sending
Offset data.
The embodiment of the invention provides a kind of monitoring method systems of power supply, as shown in Figure 9, comprising: server-side 91, terminal
92,
The server-side 91, for acquiring power data from the sensor being configured at from the supply node of different zones,
The power data includes voltage value, current value, power-on time, power supply grade；
The server-side 91 is also used to search the flickering extreme value with the power supply ratings match, according to presetting safe flickering
Formula calculates the flickering extreme value, the voltage value, the current value, the power-on time, the corresponding sudden strain of a muscle of the power supply grade
Become safety coefficient；
The server-side 91, is also used to judge whether the flickering safety coefficient is greater than default flickering safety coefficient；
The server-side 91 is also used to if more than default flickering safety coefficient, then by the flickering safety coefficient with it is described
The difference of default flickering safety coefficient is configured to the compensating parameter of compensator, and is chosen in compensator and switched according to the compensating parameter
The switching time and compensation time of switch, the compensator are to be opened by the switching between active compensator and reactive-load compensator
Close the combined type compensator switched over；
The server-side 91 is also used to send enabled instruction to the compensator, carry in the enabled instruction described
Compensating parameter, the compensation time, the switching time；
The terminal 92 carries compensating parameter, the compensation time, cuts for receiving enabled instruction in the enabled instruction
Change the time；
The terminal 92 is also used to adjust to switch between active compensator and reactive-load compensator according to the switching time and open
The switching time of pass, and the Lifetime in the reactive-load compensator is determined according to the compensation time；
The terminal 92, when being also used to send according to the switching time operation active compensator, reactive-load compensator
The offset data of generation；
The server-side 91 is also used to receive the offset data of the compensator feedback, is generated according to the offset data
Log is monitored, and exports the monitoring log according to prefixed time interval.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all include within protection scope of the present invention.
Claims (10)
1. a kind of monitoring method of power supply characterized by comprising
Power data is acquired from the sensor being configured at from the supply node of different zones, the power data includes voltage
Value, current value, power-on time, power supply grade；
The flickering extreme value with the power supply ratings match is searched, calculates the flickering extreme value, institute according to safe flickering formula is preset
State voltage value, the current value, the power-on time, the corresponding flickering safety coefficient of the power supply grade；
Judge whether the flickering safety coefficient is greater than default flickering safety coefficient；
If more than default flickering safety coefficient, then the difference of the flickering safety coefficient and the default flickering safety coefficient is configured
For the compensating parameter of compensator, and chosen according to the compensating parameter when switching switching time and the compensation of switch in compensator
Between, the compensator is that the combined type switched over by the switching switch between active compensator and reactive-load compensator compensates
Device；
Enabled instruction is sent to the compensator, carries the compensating parameter, the compensation time, institute in the enabled instruction
State switching time；
The offset data for receiving the compensator feedback generates monitoring log according to the offset data, and according to preset time
Interval exports the monitoring log.
2. the method according to claim 1, wherein the flickering pole of the lookup and the power supply ratings match
Value calculates the flickering extreme value, the voltage value, the current value, the power-on time, institute according to safe flickering formula is preset
Stating the corresponding flickering safety coefficient of power supply grade includes:
The flickering extreme value with the power supply ratings match is searched from power supply grade proportion table, is remembered in the power supply grade proportion table
Record has the corresponding flickering extreme value of different power supply grades；
The flickering extreme value, the voltage value, the current value, the power-on time, the power supply grade are substituted into described pre-
If safe flickering formula, flickering safety coefficient is calculated, it is described to preset safe flickering formula and be, described
It is described for power-on timeIt is described for flickering extreme valueIt is described for voltage valueFor current value.
3. the method according to claim 1, wherein it is described to the compensator send enabled instruction before, institute
State method further include:
Send switching command to the compensator, include in the switching command switching switch and the active compensator,
Switching position information between reactive-load compensator.
4. the method according to claim 1, wherein described from the biography being configured at from the supply node of different zones
Before acquiring power data in sensor, the method also includes:
The plant information in different zones is obtained, configures corresponding power supply of the plant information etc. according to power supply grade corresponding relationship
Grade, it include factory types, factory's number in the plant information, the power supply grade corresponding relationship is factory types, factory
Number respectively with power supply level-one, power supply second level, power supply three-level present in corresponding relationship.
5. the method according to claim 1, wherein the offset data for receiving the compensator feedback, root
Monitoring log is generated according to the offset data, and after exporting the monitoring log according to prefixed time interval, the method is also
Include:
The offset data in the monitoring log and switching time are counted, switching time after statistics is greater than default abnormal switching
Offset data after time and statistics is less than predesigned compensation numerical value, then sends a warning message.
6. the method according to claim 1, wherein described, to judge whether the flickering safety coefficient is greater than default
After flickering safety coefficient, the method also includes:
If being less than default flickering safety coefficient, the power data and the flickering safety coefficient are recorded, and is updated to described
It monitors in log.
7. a kind of monitoring method of power supply characterized by comprising
Enabled instruction is received, compensating parameter, compensation time, switching time are carried in the enabled instruction；
The switching time for switching switch between active compensator and reactive-load compensator is adjusted according to the switching time, and according to institute
Stating the compensation time determines Lifetime in the reactive-load compensator；
Send the offset data generated when running the active compensator, reactive-load compensator according to the switching time.
8. a kind of server-side characterized by comprising
Acquisition unit, for acquiring power data, the power supply from the sensor being configured at from the supply node of different zones
Data include voltage value, current value, power-on time, power supply grade；
Searching unit calculates institute according to safe flickering formula is preset for searching the flickering extreme value with the power supply ratings match
State flickering extreme value, the voltage value, the current value, the power-on time, the corresponding flickering safety coefficient of the power supply grade；
Judging unit, for judging whether the flickering safety coefficient is greater than default flickering safety coefficient；
Selection unit, for if more than default flickering safety coefficient, then pacifying the flickering safety coefficient and the default flickering
The difference of overall coefficient is configured to the compensating parameter of compensator, and the switching for switching switch in compensator is chosen according to the compensating parameter
Time and compensation time, the compensator are to be switched over by the switching switch between active compensator and reactive-load compensator
Combined type compensator；
Transmission unit carries the compensating parameter, institute in the enabled instruction for sending enabled instruction to the compensator
State the compensation time, the switching time；
Receiving unit receives the offset data of the compensator feedback, is generated according to the offset data and monitor log, and according to
Prefixed time interval exports the monitoring log.
9. a kind of terminal characterized by comprising
Receiving unit carries compensating parameter, compensation time, switching time for receiving enabled instruction in the enabled instruction；
Adjustment unit, for adjusting the switching for switching switch between active compensator and reactive-load compensator according to the switching time
Time, and the Lifetime in the reactive-load compensator is determined according to the compensation time；
Transmission unit, the benefit generated when running the active compensator, reactive-load compensator according to the switching time for sending
Repay data.
10. a kind of monitoring system of power supply characterized by comprising server-side and claim 9 institute according to any one of claims 8
The terminal stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910512075.0A CN110138090B (en) | 2019-06-13 | 2019-06-13 | Power supply monitoring method, server, terminal and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910512075.0A CN110138090B (en) | 2019-06-13 | 2019-06-13 | Power supply monitoring method, server, terminal and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110138090A true CN110138090A (en) | 2019-08-16 |
| CN110138090B CN110138090B (en) | 2020-08-25 |
Family
ID=67577109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910512075.0A Active CN110138090B (en) | 2019-06-13 | 2019-06-13 | Power supply monitoring method, server, terminal and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110138090B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232185A (en) * | 2008-01-30 | 2008-07-30 | 湖南大学 | Enterprise power distribution network synthesis energy saving method |
| CN101924370A (en) * | 2010-09-08 | 2010-12-22 | 株洲变流技术国家工程研究中心有限公司 | A kind of mixed type power quality controlling device |
| CN102480130A (en) * | 2010-11-29 | 2012-05-30 | 比亚迪股份有限公司 | Power compensation method and system for wind power system |
| CN104701865A (en) * | 2015-03-19 | 2015-06-10 | 国家电网公司 | Voltage flicker detecting and control method based on battery energy storage system |
| CN106356854A (en) * | 2016-09-14 | 2017-01-25 | 中国能源建设集团江苏省电力设计院有限公司 | UPFC (unified power flow controller) voltage stabilization control strategy based on control mode switching |
| CN107317359A (en) * | 2017-07-27 | 2017-11-03 | 国家电网公司 | Voltage flicker suppressing method and device |
| CN107332253A (en) * | 2017-09-05 | 2017-11-07 | 广东电网有限责任公司电力科学研究院 | A kind of power-compensation low-voltage platform area control method, apparatus and system |
-
2019
- 2019-06-13 CN CN201910512075.0A patent/CN110138090B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232185A (en) * | 2008-01-30 | 2008-07-30 | 湖南大学 | Enterprise power distribution network synthesis energy saving method |
| CN101924370A (en) * | 2010-09-08 | 2010-12-22 | 株洲变流技术国家工程研究中心有限公司 | A kind of mixed type power quality controlling device |
| CN102480130A (en) * | 2010-11-29 | 2012-05-30 | 比亚迪股份有限公司 | Power compensation method and system for wind power system |
| CN104701865A (en) * | 2015-03-19 | 2015-06-10 | 国家电网公司 | Voltage flicker detecting and control method based on battery energy storage system |
| CN106356854A (en) * | 2016-09-14 | 2017-01-25 | 中国能源建设集团江苏省电力设计院有限公司 | UPFC (unified power flow controller) voltage stabilization control strategy based on control mode switching |
| CN107317359A (en) * | 2017-07-27 | 2017-11-03 | 国家电网公司 | Voltage flicker suppressing method and device |
| CN107332253A (en) * | 2017-09-05 | 2017-11-07 | 广东电网有限责任公司电力科学研究院 | A kind of power-compensation low-voltage platform area control method, apparatus and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110138090B (en) | 2020-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190173899A1 (en) | Network security assessment using a network traffic parameter | |
| WO2009151740A1 (en) | Generation and control of network events and conversion to scada protocol data types | |
| CN109218126B (en) | Method, device and system for monitoring node survival state | |
| CA2960851C (en) | Method and apparatus to replace an electrical power module in a wireless valve positioner without power disruption | |
| CN105493382A (en) | Voltage control apparatus and voltage monitoring method | |
| CN103376348A (en) | Method of controlling fault current in system for monitoring and controlling power system | |
| CN103852689A (en) | Power equipment on-line monitoring system | |
| US8554739B2 (en) | Systems and methods for IED design templates | |
| US10232730B2 (en) | Control of a secondary battery with battery cells which can be connected in series with one another | |
| CN111611254A (en) | Equipment energy consumption abnormity monitoring method and device, terminal equipment and storage medium | |
| US11038352B1 (en) | Control system with load selection strategy that minimizes load overshed | |
| CN112467751A (en) | Emergency control system for safety and stability of electric power system | |
| JP2013172644A (en) | Device and method for error correction of acquired data | |
| CN110138090A (en) | Monitoring method and server-side, terminal, the system of power supply | |
| US20130282885A1 (en) | Wireless-based network management | |
| US10581686B2 (en) | Automatic configuration in a distributed network | |
| CN108566418A (en) | A kind of processing method of the intelligence of electronic data | |
| CN204376460U (en) | A kind of long distance control system of BMS battery management system | |
| MX2021011551A (en) | Method and system for monitoring the operating state of high voltage devices of a power supply grid. | |
| US10686624B2 (en) | Communication system and information generation method for communication network | |
| CN115566758A (en) | Battery energy management system and method | |
| US20210143655A1 (en) | Modular battery pack charging system and method of operating the same | |
| CN107086582B (en) | A kind of analysis method for reliability of power grid access THE UPFC | |
| CN107612309B (en) | Series voltage-sharing control method and device | |
| CN116418122B (en) | Power distribution method and device and full-digital intelligent comprehensive power distribution cabinet |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 461000 Kaiyuan Road, Xuchang Economic and Technological Development Zone, Henan Province Patentee after: Xuchang Changlong Electric Co.,Ltd. Address before: 461000 Kaiyuan Road, Xuchang Economic and Technological Development Zone, Henan Province Patentee before: XUCHANG XJ CHANGLONG ELECTRIC ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |