CN103475099B - Direct current power supply system and method for achieving remoter meter reading and monitoring - Google Patents
Direct current power supply system and method for achieving remoter meter reading and monitoring Download PDFInfo
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- CN103475099B CN103475099B CN201310425174.8A CN201310425174A CN103475099B CN 103475099 B CN103475099 B CN 103475099B CN 201310425174 A CN201310425174 A CN 201310425174A CN 103475099 B CN103475099 B CN 103475099B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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Abstract
The invention discloses a direct current power supply system and method for achieving remoter meter reading and monitoring. The direct current power supply system for achieving remoter meter reading and monitoring comprises a direct current power system used for supplying electricity to a direct current load, a data transmission unit which is in communication connection with the direct current power system, and a monitoring center which is in communication connection with the data transmission unit. The defects that electricity generation measuring and monitoring maintaining of an existing direct current power system are difficult, and thus the power supply cost and the maintenance cost of the direct current load are high are overcome, and the direct current power supply system and method for achieving remoter meter reading and monitoring are provided.
Description
Technical field
The present invention relates to electric power system.Be specially a kind of DC power-supply system and the method that realize remote meter reading and monitoring.
Background technology
In recent years, the application of new forms of energy is more and more extensive, especially wind power generation and solar power generation.First, new forms of energy obtain a wide range of applications in public illumination field, mainly contain the new energy resources system such as wind and light complementary road lamp, solar street light, and these application are mostly independently direct current systems.Subsequently new forms of energy traditional civil power be difficult to power applications demand increasing, the family, communication base station, fireproofing installation, weather station etc. of such as remote mountain areas.Especially, the communication equipment of communication base station generally uses direct current, be more suitable for application wind power generation or solar power generation power, thus adopt the communication base station of this new energy mode increasing.Public mobile communication base station is a kind of form of radio station, refers in certain area of radio coverage, and by mobile switching center, and radio station is believed in the transceiving carrying out information transmission between mobile telephone terminal.But communication base station, weather station and extensive forest fireproof electric power system distributional region are wide, ground condition is complicated, has inconvenient traffic, and this causes extreme difficulties to generating metering and monitoring maintenance, so also make the power supply of this type of electric power system and maintenance cost high.
Summary of the invention
The technical problem that the present invention solves is to overcome the wide and DC power-supply system generating metering of dispersion of existing distributional region and monitors difficult in maintenance, and then make the power supply of this type of electric power system and the high shortcoming of maintenance cost, a kind of DC power-supply system realizing remote meter reading and monitoring is provided.
The DC power-supply system realizing remote meter reading and monitoring of the present invention, comprising:
DC power system, comprises electrical generation components, DC power supply and storage battery, and the electric energy that described electrical generation components produces is stored in storage battery by DC power supply, and described DC power supply has direct current energy meter;
Surveillance center, comprises server, database and remote meter reading and monitoring module;
Data transmission unit, all communicates to connect with described direct current energy meter and described Surveillance center;
Described remote meter reading and monitoring module send meter reading instruction by described data transmission unit to described direct current energy meter, described remote meter reading and monitoring module also receive data that described direct current energy meter sent by described data transmission unit according to its meter reading instruction received and are stored in database by data, generate the warning message of failure of checking meter when described remote meter reading and monitoring module do not receive the data that described direct current energy meter sends after the meter reading instruction sending set point number in setting-up time.
As preferably, be connected by RS485 serial line interface between described data transmission unit with described direct current energy meter.
As preferably, for radio communication is connected between described data transmission unit with described Surveillance center.
As preferably, the described remote meter reading that realizes also comprises with the DC power-supply system of monitoring the browser be connected by network with described Surveillance center.
As preferably, described electrical generation components is wind-driven generator and/or solar panels.
The present invention also provides a kind of method realizing remote meter reading and monitoring, utilizes the DC power-supply system realizing remote meter reading and monitoring as above to carry out remote meter reading and monitoring, comprises the following steps:
The remote meter reading of Surveillance center and monitoring module send meter reading instruction by data transmission unit to the direct current energy meter of DC power system, and wait pending data to return;
If Surveillance center receives return data within the time of setting, then the meter reading data received is write database table and store;
If Surveillance center, within the time of setting, does not receive return data, then resends meter reading instruction, until receive return data;
If the number of times sending meter reading instruction reaches the maximum of setting, within the time of setting, still do not receive return data, then generate the warning message of failure of checking meter.
As preferably, the warning message of failure of checking meter is sent to browser by Surveillance center.
As preferably, Surveillance center judges the Article 1 data of this DC power supply whether this meter reading data receives after receiving return data;
If not, then the accumulative total of generating electricity, time of checking meter, date are write energy output daily paper tables of data and preserve, the type field of energy output daily paper tables of data is set to the first character, and time field of checking meter is set to actual number of times of checking meter on the same day;
If so, then the accumulative total of generating electricity, time of checking meter, date are write energy output daily paper tables of data and preserve, the type field of energy output daily paper tables of data is set to the second character, and the second character is different from the first character, and time field of checking meter is set to sky.
As preferably, Surveillance center checks in the meter reading data received whether have voltage alarm and/or power alarm;
If had, then voltage alarm and/or power alarm are write database table and preserve, and generate warning message;
If no, then normal termination this check meter.
As preferably, the warning message of generation is sent to browser by Surveillance center.
As preferably, further comprising the steps of:
Surveillance center is according to month inquiry energy output daily paper;
Obtain the accumulative total of generating electricity of checking meter with last and checking meter the time of checking meter first of this DC power supply in month, deduct this month first check meter the accumulative total of generating electricity to calculate month energy output with the accumulative total of generating electricity that this last is checked meter in month, write energy output monthly magazine tables of data;
Generate energy output monthly magazine and export to browser.
As preferably, further comprising the steps of:
Surveillance center determines electricity price and charging energy output and calculates the electricity charge;
Energy output, charging energy output, price and charge of electric power are write energy output charging monthly magazine tables of data;
Generate energy output charging monthly magazine and export to browser.
Of the present invention realize remote meter reading and monitoring DC power-supply system and method compared with prior art, there is following beneficial effect:
1, the DC power-supply system realizing remote meter reading and monitoring of the present invention comprises data transmission unit that DC power system for powering to DC load and DC power system communicate to connect and and the Surveillance center that communicates to connect of data transmission unit.The DC power-supply system realizing remote meter reading and monitoring by of the present invention and method can carry out generating metering to the mass communication base station of scattering device or the DC power supply of other facilities quickly and easily and monitoring is safeguarded, has saved a large amount of man power and material.
2, realize remote meter reading and also comprise with the DC power-supply system of monitoring the browser be connected by network with described Surveillance center.User can use native system by the browser of computer, mobile phone, can also automatically notify that user processes in time by Surveillance center by various ways such as note, phone, mails.
Accompanying drawing explanation
Fig. 1 is the structural representation realizing an embodiment of the DC power-supply system of remote meter reading and monitoring of the present invention.
Fig. 2 is the flow chart realizing the method for remote meter reading and monitoring of the present invention.
Fig. 3 of the present inventionly realizes the energy output monthly magazine of the method for remote meter reading and monitoring, the flow chart of energy output charging monthly magazine.
Embodiment
Fig. 1 is the structural representation realizing an embodiment of the DC power-supply system of remote meter reading and monitoring of the present invention.As shown in Figure 1, a kind of DC power-supply system realizing remote meter reading and monitoring of the present invention, comprises the data transmission unit (DTU namely in Fig. 1) that DC power system for powering to DC load and DC power system communicate to connect and the Surveillance center communicated to connect with data transmission unit.Now for the DC power-supply system of communication base station, technical scheme of the present invention is described as follows.
Wherein DC power system comprises electrical generation components, DC power supply and storage battery, the electric energy that described electrical generation components produces is stored in storage battery by DC power supply, described DC power supply has direct current energy meter, and DC power supply is the communication power supply of communication base station in the present embodiment.Described electrical generation components is wind-driven generator and/or solar panels, and electrical generation components is wind-driven generator and solar panels in the present embodiment, namely adopts wind light mutual complementing power generation mode.Natural Wind resource change is electric energy by wind-driven generator, is stored in storage battery via DC power supply.Natural transform light energy is electric energy by solar panels, is stored in storage battery via DC power supply.Described direct current energy meter provides generating metering and monitoring function for DC power system, and the function of measuring that generates electricity comprises the accumulative total of generating electricity, operating voltage, operating current etc., and monitoring function comprises voltage alarm, power alarm etc.Described storage battery is-48V direct current, for the DC load such as communication equipment of communication base station is powered.
Data transmission unit and described direct current energy meter and Surveillance center all communicate to connect.In the present embodiment, data transmission unit is identical with the quantity of described direct current energy meter and communicate to connect correspondingly with described direct current energy meter, namely each data transmission unit communicates with Surveillance center separately, certainly, in other embodiments, be also likely a data transmission unit and multiple direct current energy list catenation.When communication base station is on a grand scale, the situation that multiple DC power system is powered simultaneously may be there is.In the present embodiment, data transmission unit can adopt any one in GPRS DTU, CDMA DTU and 3G DTU, is connected between described data transmission unit with described direct current energy meter by RS485 serial line interface, supports MODBUS communication protocol.Certain described data transmission unit is also connected by other interfaces with between described direct current energy meter.
Surveillance center comprises server, database and remote meter reading and monitoring module, described remote meter reading and monitoring module send meter reading instruction by described data transmission unit to described direct current energy meter, described remote meter reading and monitoring module also receive data that described direct current energy meter sent by described data transmission unit according to its meter reading instruction received and are stored in database by data, described remote meter reading and monitoring module generate the warning message of failure of checking meter when not receiving the data that described direct current energy meter sends in setting-up time after the meter reading instruction sending set point number.In the present embodiment, for radio communication is connected between described data transmission unit with described Surveillance center, connect by the Internet therebetween, certainly also connect by other modes.Surveillance center is responsible for remote meter reading and monitoring function, and the function such as analysis, statistics to remote meter reading data, as, according to the data genaration energy output daily sheet received, the energy output moon form and energy output charging monthly magazine, the realization of remote meter reading and monitoring, analytic statistics function etc. is provided to user in many ways.
By the DC power-supply system realizing remote meter reading and monitoring of the present invention, generating metering and monitoring maintenance can be carried out to a large amount of DC power supply of scattering device quickly and easily, save a large amount of man power and material.
As preferably, the described remote meter reading that realizes also comprises with the DC power-supply system of monitoring the browser be connected by network with described Surveillance center.User can use native system by the browser of computer, mobile phone, can also automatically notify that user processes in time by Surveillance center by various ways such as note, phone, mails.
The present invention also provides a kind of method realizing remote meter reading and monitoring, utilizes the DC power-supply system realizing remote meter reading and monitoring as above to carry out remote meter reading and monitoring, as shown in Figure 2, comprises the following steps:
The remote meter reading of Surveillance center and monitoring module send meter reading instruction by data transmission unit to the direct current energy meter of DC power system, and wait pending data to return;
If Surveillance center receives return data within the time of setting, then the meter reading data received is write database table and store;
If Surveillance center, within the time of setting, does not receive return data, then resends meter reading instruction, until receive return data;
If the number of times sending meter reading instruction reaches the maximum of setting, within the time of setting, still do not receive return data, then generate the warning message of failure of checking meter.The maximum of setting is 3 times in the present embodiment, also can change within the specific limits, such as 1 to 5 time.
By above method, staff can realize remote meter reading to the DC power supply of communication base station or other facilities and policer operation quickly and easily in Surveillance center.Remote meter reading and monitoring program, the number of times that every day is run is no less than 1 time, can be repeatedly.The time that first time every day is run divides close to the time started 00:00 of a day as far as possible.
As preferably, the warning message of failure of checking meter is sent to browser by Surveillance center, namely informs user, even if user is not before Surveillance center like this, also can know the information of failure of checking meter in time.
As preferably, said method is further comprising the steps of:
Surveillance center judges the Article 1 data of this DC power supply whether this meter reading data receives after receiving return data;
If not, then the accumulative total of generating electricity, time of checking meter, date are write energy output daily paper tables of data and preserve, the type field of energy output daily paper tables of data is set to the first character, and time field of checking meter is set to actual number of times of checking meter on the same day;
If so, then the accumulative total of generating electricity, time of checking meter, date are write energy output daily paper tables of data and preserve, the type field of energy output daily paper tables of data is set to the second character, and the second character is different from the first character, and time field of checking meter is set to sky.
Such as, the type field of energy output daily paper can be 0 and 1 two value, and 0 is the first character, and expression is checked meter first time, and 1 is the second character, represents it is not check meter first time.Certainly, in other embodiments, also likely represent by other two values such as represent it is check meter first time by "Yes", represent it is not check meter first time by "no".Represent it is check meter first time with " Y " for another example, represent it is not check meter first time with " N ".Can also arrange for another example to represent all right with not identical any two characters.
By above-mentioned preferred scheme, user can obtain the energy output daily paper of every day, intuitively accurately can understand the power generation situation of DC power supply.
As preferred scheme, Surveillance center checks in the meter reading data received whether have voltage alarm and/or power alarm;
If had, then voltage alarm and/or power alarm are write database table and preserve, and generate warning message;
If no, then normal termination this check meter.
By above-mentioned preferred version, user can obtain the abnormal conditions of DC power system, thus can take treatment measures in time.
As preferably, the warning message of generation is sent to browser by Surveillance center, to notify the abnormal conditions of user's DC power system in time.
As preferred scheme, as shown in Figure 3, above method is further comprising the steps of:
Surveillance center is according to month inquiry energy output daily paper;
Obtain the accumulative total of generating electricity of checking meter with last and checking meter the time of checking meter first of this DC power supply in month, deduct this month first check meter the accumulative total of generating electricity to calculate month energy output with the accumulative total of generating electricity that this last is checked meter in month, write energy output monthly magazine tables of data;
Generate energy output monthly magazine and export to browser.
Above scheme makes user intuitively understand the energy output of DC power system in any one month easily.
As preferred scheme, as shown in Figure 3, above method is further comprising the steps of:
Surveillance center determines electricity price and charging energy output and calculates the electricity charge;
Energy output, charging energy output, price and charge of electric power are write energy output charging monthly magazine tables of data;
Generate energy output charging monthly magazine and export to browser.
Above scheme make user intuitively easily understand DC power system be convenient to charge calculation at the generating charging case of any one month.
Example 1: remote meter reading under normal circumstances
The remote meter reading that Surveillance center receives DC power system A within a period of time sees the following form.
So, the energy output daily paper of DC power system A can obtain, and sees the following form.
So, the energy output monthly magazine of DC power system A can obtain, and sees the following form.
So, the energy output charging monthly magazine of DC power system A also can obtain, and sees the following form.
| Sequence number | Month energy output | The charging moon energy output | Electricity price | The electricity charge |
| 1 | 207.40 | 107.40 | 1.20 | 128.88 |
| 2 | Add up to | 128.88 |
Example 2: the remote meter reading of the failure that occurs checking meter
The remote meter reading that Surveillance center 3 receives DC power system B within a period of time sees the following form.Within wherein 2 days, 3 continuous two days, check meter unsuccessfully.
So, the energy output daily paper of DC power system B can obtain, and sees the following form.
So, the energy output monthly magazine of DC power system B can obtain, and sees the following form.
So, the energy output charging monthly magazine of DC power system B also can obtain, and sees the following form.
| Sequence number | Month energy output | The charging moon energy output | Electricity price | The electricity charge |
| 1 | 214.30 | 114.30 | 1.20 | 137.16 |
| 2 | Add up to | 137.16 |
Be more than the process of energy output form and energy output charging monthly magazine, and the failure handling of checking meter in February 2, February 3 is as follows:
February 2 checked meter unsuccessfully: first generate false alarm of checking meter, and send browser.The form of false alarm of checking meter is: alert type+DC power system name+time of reception.Such as, false alarm of checking meter is [check meter unsuccessfully: green stone pier, on January 1st, 2013 03:21], and represent, alert type is " checking meter unsuccessfully ", and DC power system is called " green stone pier ", and time of reception is 03:21 on January 1st, 2013.
February 3 checked meter unsuccessfully: similar, no longer repeated.
Example 3: the remote meter reading occurring voltage alarm power alarm
Surveillance center 3 receives the remote meter reading of DC power system C within a period of time.Wherein within 13rd, there is voltage alarm and/or power alarm repeatedly.
When being checked through voltage alarm and/or power alarm, first alert data being write database table and having stored, then having generated warning, and having sent browser.The form of voltage alarm and/or power alarm is: type of alarm+alarming value+DC power system name+time of reception.Such as, voltage alarm is [the low warning of voltage: 50.14V, green stone pier, on February 13rd, 2013 03:21], represent, type of alarm is " the low warning of voltage ", alarming value is " 50.14V ", and DC power system is called " green stone pier ", and time of reception is 03:21 on February 13rd, 2013.
Type of alarm has three kinds: the low warning of voltage, voltage height are reported to the police, the low warning of power.
Example 4: the remote meter reading of many DC power supply
Surveillance center 3 receives the remote meter reading of DC power system A, B, C within a period of time, sees example 1,2,3.So these three DC power system can be merged and form energy output monthly magazine and energy output charging monthly magazine, specific as follows.
Following table is the energy output monthly magazine of DC power system A, B, C.
Following table is the energy output charging monthly magazine of DC power system A, B, C.
Above embodiment is only exemplary embodiment of the present invention, and be not used in restriction the present invention, protection scope of the present invention is defined by the claims.Those skilled in the art are in essence of the present invention and protection range, and the various amendment make the present invention or equivalent replacement also drop in protection scope of the present invention.
Claims (12)
1. realize a DC power-supply system for remote meter reading and monitoring, it is characterized in that, comprising:
DC power system, comprises electrical generation components, DC power supply and storage battery, and the electric energy that described electrical generation components produces is stored in storage battery by DC power supply, and described DC power supply has direct current energy meter;
Surveillance center, comprises server, database and remote meter reading and monitoring module;
Data transmission unit, all communicates to connect with described direct current energy meter and described Surveillance center;
Described remote meter reading and monitoring module send meter reading instruction by described data transmission unit to described direct current energy meter, described remote meter reading and monitoring module also receive data that described direct current energy meter sent by described data transmission unit according to its meter reading instruction received and are stored in database by data, generate the warning message of failure of checking meter when described remote meter reading and monitoring module do not receive the data that described direct current energy meter sends after the meter reading instruction sending set point number in setting-up time.
2. the DC power-supply system realizing remote meter reading and monitoring according to claim 1, is characterized in that, is connected between described data transmission unit with described direct current energy meter by RS485 serial line interface.
3. the DC power-supply system realizing remote meter reading and monitoring according to claim 2, is characterized in that, for radio communication is connected between described data transmission unit with described Surveillance center.
4. the DC power-supply system realizing remote meter reading and monitoring according to any one of claim 1-3, is characterized in that, the described remote meter reading that realizes also comprises with the DC power-supply system of monitoring the browser be connected by network with described Surveillance center.
5. the DC power-supply system realizing remote meter reading and monitoring according to any one of claim 1-3, is characterized in that, described electrical generation components is wind-driven generator and/or solar panels.
6. realize a method for remote meter reading and monitoring, utilize the DC power-supply system realizing remote meter reading and monitoring according to any one of claim 1-5 to carry out remote meter reading and monitoring, it is characterized in that, comprise the following steps:
The remote meter reading of Surveillance center and monitoring module send meter reading instruction by data transmission unit to the direct current energy meter of DC power system, and wait pending data to return;
If Surveillance center receives return data within the time of setting, then the meter reading data received is write database table and store;
If Surveillance center, within the time of setting, does not receive return data, then resends meter reading instruction, until receive return data;
If the number of times sending meter reading instruction reaches the maximum of setting, within the time of setting, still do not receive return data, then generate the warning message of failure of checking meter.
7. the method realizing remote meter reading and monitoring according to claim 6, is characterized in that, the warning message of failure of checking meter is sent to browser by Surveillance center.
8. the method realizing remote meter reading and monitoring according to claim 6, is characterized in that,
Surveillance center judges the Article 1 data of this DC power supply whether this meter reading data receives after receiving return data;
If not, then the accumulative total of generating electricity, time of checking meter, date are write energy output daily paper tables of data and preserve, the type field of energy output daily paper tables of data is set to the first character, and time field of checking meter is set to actual number of times of checking meter on the same day;
If so, then the accumulative total of generating electricity, time of checking meter, date are write energy output daily paper tables of data and preserve, the type field of energy output daily paper tables of data is set to the second character, and the second character is different from the first character, and time field of checking meter is set to sky.
9. the method realizing remote meter reading and monitoring according to claim 8, is characterized in that,
Surveillance center checks in the meter reading data received whether have voltage alarm and/or power alarm;
If had, then voltage alarm and/or power alarm are write database table and preserve, and generate warning message;
If no, then normal termination this check meter.
10. the method realizing remote meter reading and monitoring according to claim 9, is characterized in that, the warning message of generation is sent to browser by Surveillance center.
11. methods realizing remote meter reading and monitoring according to Claim 8 according to any one of-10, is characterized in that, further comprising the steps of:
Surveillance center is according to month inquiry energy output daily paper;
Obtain the accumulative total of generating electricity of checking meter with last and checking meter the time of checking meter first of this DC power supply in month, deduct this month first check meter the accumulative total of generating electricity to calculate month energy output with the accumulative total of generating electricity that this last is checked meter in month, write energy output monthly magazine tables of data;
Generate energy output monthly magazine and export to browser.
12. methods realizing remote meter reading and monitoring according to claim 11, is characterized in that, further comprising the steps of:
Surveillance center determines electricity price and charging energy output and calculates the electricity charge;
Energy output, charging energy output, price and charge of electric power are write energy output charging monthly magazine tables of data;
Generate energy output charging monthly magazine and export to browser.
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| CN103138387A (en) * | 2011-11-22 | 2013-06-05 | 大连金州电器有限公司 | Intelligent substation |
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| JPH10285825A (en) * | 1997-03-31 | 1998-10-23 | Sumitomo Electric Ind Ltd | Power supplying system |
| JP2011101536A (en) * | 2009-11-06 | 2011-05-19 | Panasonic Electric Works Co Ltd | Outlet and power distribution system |
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| CN103138387A (en) * | 2011-11-22 | 2013-06-05 | 大连金州电器有限公司 | Intelligent substation |
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| 基于ARM9的远程抄表系统集中器的设计与实现;丘森辉等;《计算机工程与设计》;20130531;第34卷(第5期);第1640-1645页 * |
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