CN202872376U - Medium-voltage adjusting and stabilizing system matching intelligent handy terminal and background analysis main station - Google Patents
Medium-voltage adjusting and stabilizing system matching intelligent handy terminal and background analysis main station Download PDFInfo
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- CN202872376U CN202872376U CN 201220545444 CN201220545444U CN202872376U CN 202872376 U CN202872376 U CN 202872376U CN 201220545444 CN201220545444 CN 201220545444 CN 201220545444 U CN201220545444 U CN 201220545444U CN 202872376 U CN202872376 U CN 202872376U
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Abstract
The utility model discloses a medium-voltage adjusting and stabilizing system matching an intelligent handy terminal and a background analysis main station, which comprises a three-phase auto-transformer and a three-phase on-load tap-changer. The system is structurally characterized in that the three-phase auto-transformer is connected with the three-phase on-load tap-changer; the three-phase on-load tap-changer is connected with an intelligent voltage-adjusting controller through a control cable; and a power supply inside the three-phase auto-transformer is connected with the intelligent voltage-adjusting controller. The system can guarantee a qualified supply voltage to users and reduce line losses. When adopting a core controller and an intelligent power supply manager, the intelligent voltage-adjusting controller can automatically control and adjust the shift of the voltage-adjusting on-load tap-changer by automatically tracking the line voltage changes so as to make the voltage output on the secondary side of the auto-transformer constantly stand at 10 kV.
Description
Technical field
The utility model relates to a kind of voltage transformer system, relates in particular to the middle pressure voltage-regulation voltage-stabilization system that main website is analyzed on supporting intelligent palm terminal and backstage.
Background technology
The radius of electricity supply of 10kV feeder line often surpasses national standard 15kM in the distribution of rural area, the voltage of feeder line second half section often is lower than standard value 10kV, sometimes low to 7000V～8000V, badly influence each large user's electricity consumption of feeder line second half section, if the platform district becomes, the special-purpose change directly have influence on all single-phase users of Circuit Fault on Secondary Transformer and three-phase user's electricity consumption, if will have influence on the daily normal operation of enterprise.
In addition, southern small hydropower station is numerous, and online voltage changes along with the variation in season, and wet season online voltage is higher, each user on the feeder line is consisted of electricity consumption threaten, and might burn transformer and equipment.The voltage of surfing the Net dry season is on the low side again, affects the normal electricity consumption of user on the feeder line.What is more, and the feeder line front voltage is higher, and back segment voltage is low, causes serious trouble for power supply enterprise's power supply management.
Therefore, how to improve the rural area distribution network electric energy quality, guarantee that Distribution Network Reliability has become the current technical bottleneck that needs to be resolved hurrily of electric power enterprise.Developing the middle pressure voltage-regulation voltage-stabilization system that main website is analyzed on supporting intelligent palm terminal and backstage, is the effective ways that address the above problem.
Summary of the invention
The purpose of this utility model is, for the problem of above-mentioned discovery, and the middle pressure voltage-regulation voltage-stabilization system that provides supporting intelligent palm terminal and backstage to analyze main website.The supply power voltage that can guarantee the user is qualified, reduces the line loss of circuit.
The purpose of this utility model is to realize like this, the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, comprise 3-phase autotransformer and three-phase on load tap changer, its design feature is that described 3-phase autotransformer is connected with the three-phase on load tap changer; The three-phase on load tap changer is connected with an intelligent pressure regulating controller with the control cables line; Power supply in the 3-phase autotransformer is connected with the intelligent pressure regulating controller.
The purpose of this utility model can also be achieved through the following technical solutions, the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, its characteristics are that described intelligent pressure regulating controller comprises core controller, intelligent electric power management device and battery, and described core controller is connected with battery with the intelligent electric power management device; Core controller connects 3-phase autotransformer, and the intelligent electric power management device is connected with the three-phase on load tap changer; Battery is connected with the intelligent electric power management device.The middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, its characteristics are that described core controller comprises main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and on-load tap changer motor drive module, and described data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and on-load tap changer motor drive module are all received main control MCU.The middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, its characteristics are that described intelligent electric power management device comprises commutation inversion module and back-up source administration module, commutation inversion module is connected with 3-phase autotransformer, the back-up source administration module is connected with commutation inversion module on the one hand, connects on the other hand battery.The middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, its characteristics are that data acquisition module comprises electric energy computation chip and signal processing circuit, and the current shift information of voltage, electric current, temperature and the three-phase on load tap changer of the data collecting module collected three-phase auto-type transformer in the core controller is sent into electric energy computation chip after nursing one's health through signal processing circuit; The main control MCU of core controller is done accurate analog digital conversion by SPI communication bus control electric energy computation chip to this signal, with the current shift information of the voltage, electric current, temperature and the three-phase on load tap changer that obtain this three-phase auto-type transformer; After accurately judging by the main control MCU of core controller, send the Regulation Control instruction to driving the on-load tap changer module, and the tap position of driving on-load tap changer motor change three-phase auto-type transformer and three-phase on load tap changer reaches adjustment voltage to change the 3-phase autotransformer no-load voltage ratio.The middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, and its characteristics are that the on-load tap changer motor drive module comprises power supply, switch and MCU; MCU adopts data wire to be connected with switch, and power supply adopts copper conductor to be connected with switch.The middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, to be main control MCU can start commutation inversion module to its characteristics when the voltage of three-phase auto-type transformer power supply output is less than or greater than the reference voltage of setting, and the motor that the reference voltage that the alternating current of three-phase auto-type transformer power supply is stabilized in setting after by commutation inversion is supplied with the three-phase on load tap changer uses; Main control MCU can start back-up source module and commutation inversion module when the alternating current of the power supply of three-phase auto-type transformer is in off-position, the 12V of back-up source battery or 24V voltage are stabilized in the reference voltage supply intelligent pressure regulating controller of setting and the motor of three-phase on load tap changer by commutation inversion module, and the motor of three-phase on load tap changer is adjusted the initial gear of three-phase on load tap changer automatic returning.The middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, and it is characterized in that: the intelligent pressure regulating controller carries out wireless the docking by wireless communication module with intelligent palm terminal; The intelligence palm terminal can to the intelligent pressure regulating controller carry out the parameter setting, manually control and various in real time with the collection of history data, intelligent palm terminal can on-the-spot copy reading observation 3-phase autotransformer, the running status of on-load tap changer.The middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on described supporting intelligent palm terminal and backstage, and it is characterized in that: the intelligent pressure regulating controller carries out wireless the docking by the GPRS communication module with backstage analysis main website; The backstage analyze main website can to the intelligent pressure regulating controller carry out the parameter setting, manually control and various in real time with the collection of history data, main website is analyzed on the backstage can on-the-spot copy reading observation 3-phase autotransformer, the running status of on-load tap changer.
Advantage of the present utility model: the utility model gathers the alternating voltage current information of the control coil of three-phase auto-type transformer, can be automatically by following the tracks of the circuit change in voltage, by the intelligent pressure regulating controller three-phase drive on-load tap changer is sent the Regulation Control instruction, and driving on-load tap changer motor changes the series excitation coil of three-phase auto-type transformer and the tap position of three-phase on load tap changer, thereby change the 3-phase autotransformer no-load voltage ratio, reach the purpose of adjusting voltage.
The utility model is owing to after being stabilized in the reference voltage of setting to a unstable alternating current of supplying with the use of three-phase on load tap changer motor by commutation inversion, the motor of supplying with the three-phase on load tap changer uses, and the motor of guaranteeing the three-phase on load tap changer can be because of not too low or too high for voltage and cause and burn.
Another advantage of the utility model is when the alternating current of the control coil of three-phase auto-type transformer is in off-position, the intelligent pressure regulating controller starts back-up source module and commutation inversion module, the motor that the reference voltage that the 12V of back-up source battery or 24V voltage are stabilized in setting by commutation inversion module is supplied with intelligent pressure regulating controller and three-phase on load tap changer uses, thereby adjust the initial gear of three-phase on load tap changer automatic returning, guarantee power supply safety.
The utility model adopts intelligent pressure regulating transformer, intelligent palm terminal and backstage main website to connect and compose integral system, be user-friendly for parameters, manually control and obtain the intelligent pressure regulating transformer various in real time with the running status of history data, on-the-spot copy reading observation intelligent pressure regulating transformer; Also can carry out real-time communication by GPRS and backstage main website easily, understand the running status of intelligent pressure regulating transformer, and carry out Analysis of Policy Making in conjunction with historical data.
Description of drawings
Fig. 1 is the system construction drawing of the utility model embodiment.
Fig. 2 is the structure chart of the intelligent pressure regulating controller of the utility model embodiment.
Fig. 3 is the operation principle block diagram of the intelligent pressure regulating controller of the utility model embodiment.
Fig. 4 is the internal structure theory diagram of the core controller of the utility model embodiment.
Fig. 5 is the internal structure theory diagram of the intelligent electric power management device of the utility model embodiment.
Fig. 6 is the internal structure theory diagram of the intelligent pressure regulating controller of the utility model embodiment.
Fig. 7 is the system construction drawing of the utility model embodiment combined with intelligent palm terminal.
Fig. 8 is the utility model embodiment analyzes main website in conjunction with the backstage system construction drawing.
Fig. 9 is the system construction drawing that main website is analyzed on the utility model embodiment combined with intelligent palm terminal and backstage.
Figure 10 is the fundamental diagram of the on-load tap changer motor drive module of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated:
As shown in Figure 1, the system construction drawing of embodiment described in the utility model.Among the figure: 3-phase autotransformer 1, three-phase on load tap changer 2, intelligent pressure regulating controller 3; Wherein 3-phase autotransformer 1 is prior art, and three-phase on load tap changer 2 is prior art; 3-phase autotransformer 1 is connected with the three-phase on load tap changer and is connected with copper conductor; Three-phase on load tap changer 2 is connected with the intelligent pressure regulating controller with the connection of control cables line; The power supply of 3-phase autotransformer 1 adopts copper conductor to be connected with intelligent pressure regulating controller 3.Intelligent pressure regulating controller 3 can adopt prior art also can adopt the utility model proprietary technology described below.Power supply in the 3-phase autotransformer 1 is supplied with intelligent pressure regulating controller 3 and is used, the shunting tap position of intelligent pressure regulating controller 3 control break three-phase on load tap changeres 2, in the situation of interrupt load electric current not, switch to another shunting tap by a shunting tap, change the effective turn of 3-phase autotransformer 1, namely change the voltage ratio of 3-phase autotransformer, thereby realize the purpose of pressure regulation.
As shown in Figure 2, the structure chart of the intelligent pressure regulating controller of embodiment described in the utility model, the intelligent pressure regulating controller is divided into three parts: core controller 11, intelligent electric power management device 12, battery 13.Core controller 11 also can be proprietary technology for prior art, intelligent electric power management device 12 can adopt prior art also can adopt the utility model proprietary technology described below, battery 13 to can be prior art.Wherein core controller 11 gathers the information such as voltage, electric current and temperature of 3-phase autotransformer, and core controller 11 gathers the information such as current gear of three-phase on load tap changer.Intelligent electric power management device 12 is for core controller 11 provides working power, and the while also is the module that the motor of driving three-phase on load tap changer carries out work.Battery 13 is as parts that can uninterrupted power supply behind power cut-off, also is the parts that play the burning voltage effect.
In conjunction with Fig. 2, shown in Figure 3, when intelligent pressure regulating controller 3 adopts proprietary technology of the present utility model, core controller 11 wherein gathers the information such as voltage, electric current and temperature of 3-phase autotransformer 1, and core controller 11 gathers the information such as current gear of three-phase on load tap changer 2.Core controller 11 carries out discriminatory analysis according to the current gear information of the three-phase on load tap changer 2 that gathers and the voltage of 3-phase autotransformer 1, send control command according to the result after analyzing and be transferred to the intelligent electric power management device, change the shunting tap position of three-phase on load tap changer by the motor in intelligent electric power management device driving three-phase on load tap changer 2 switches, in the situation of interrupt load electric current not, switch to another shunting tap by a shunting tap, change the effective turn of 3-phase autotransformer 1, namely change the voltage ratio of 3-phase autotransformer 1, thereby realize the purpose of pressure regulation.
As shown in Figure 4, the internal structure theory diagram of core controller of the present utility model, comprise main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and on-load tap changer motor drive module, specifically each component models and function are as follows:
1) main control MCU: adopt existing commercially available prod, finish transmission and control and send control signal driving three-phase on load tap changer driver module and carry out the pressure regulation action, these calibration analytes and calculation procedure can be realized for those skilled in the art.
2) data acquisition module: it comprises electric energy computation chip and signal processing circuit, electric energy computation chip adopts the high-precision A/D chip, the high-precision A/D chip is as electric current and voltage metering use, the effect of signal processing circuit is that the electric current and voltage information of input is nursed one's health into the signal that can do accurate analog digital conversion in the high-precision A/D chip and calculate, regularly send the result to main control MCU again, this part has adopted professional high-precision A/D chip.High-precision A/D chip and signal processing circuit are prior art.
3) temperature collect module: adopt the pt100 platinum resistance, external directly press close to winding and iron core fast response temperature change, described pt100 platinum resistance is for having the commercially available prod now.
4) data storage: this module to various in real time and history data store and inquire about, can adopt all kinds of storage mediums, be prior art.
5) wireless communication module: this module is 433 wireless telecommunications.It is mutual to carry out the data docking by 433 wireless telecommunications and intelligent palm terminal.
6) GPRS communication module: this module is the GPRS communication.It is mutual to carry out real time data by GPRS communication and backstage main website.Thereby realize the functions such as long-range or local remote control, remote regulating, remote measurement.
7) on-load tap changer motor drive module: as shown in figure 10, the on-load tap changer motor drive module is divided into 3 parts: power supply, switch, MCU.Wherein power supply is 220V or 380V alternating current, and switch is existing commercially available prod, and MCU is existing commercially available prod, and MCU adopts data wire to be connected with switch, and power supply adopts copper conductor to be connected with switch.Behind power connection, drive through the motor of MCU control switch break-make to the three-phase on load tap changer, these instructions can realize for those skilled in the art.
As shown in Figure 5, the internal structure theory diagram of intelligent electric power management device of the present utility model.Comprise commutation inversion module, battery and back-up source administration module, specifically each component models and function are as follows:
1) commutation inversion module: commutation inversion module is that the unstable alternating current of supplying with the intelligent pressure regulating controller is become the burning voltage that meets setting, and commutation inversion module is prior art;
2) back-up source administration module: be prior art; By the charging and discharging management of management of charging and discharging circuit to battery, wherein: main control MCU, data storage, wireless communication module, GPRS communication module operating voltage 12V, on-load tap changer motor-driven operating voltage 220V or 380V alternating current.
3) battery: can adopt battery, be prior art; Being as parts that can uninterrupted power supply behind power cut-off, also is the parts that play the burning voltage effect.
In conjunction with Fig. 3, shown in Figure 6, core controller comprises main control MCU, data acquisition module, data storage, wireless communication module, GPRS communication module, temperature collect module and on-load tap changer driver module; The intelligent electric power management device comprises commutation inversion module, back-up source administration module and battery; Wherein the information exchanges such as current shift of the voltage of three-phase auto-type transformer, electric current, temperature and three-phase on load tap changer are sent into electric energy computation chip after crossing the signal processing circuit conditioning of the data acquisition module in the core controller; The main control MCU of core controller is done accurate analog digital conversion by SPI communication bus control electric energy computation chip to this signal, with the information such as current shift of the voltage, electric current, temperature and the three-phase on load tap changer that obtain this three-phase auto-type transformer; After again accurately judging by the main control MCU of core controller, send the Regulation Control instruction to driving the on-load tap changer module, and driving on-load tap changer motor changes the tap position of three-phase auto-type transformer and three-phase on load tap changer, thereby change the 3-phase autotransformer no-load voltage ratio, reach the purpose of adjusting voltage.Meanwhile the power supply of three-phase auto-type transformer is supplied with the core controller use; When being less than or greater than the reference voltage of setting, the voltage of three-phase auto-type transformer power supply output starts commutation inversion module, the motor that the reference voltage that the alternating current of three-phase auto-type transformer power supply is stabilized in setting after by commutation inversion is supplied with the three-phase on load tap changer uses, and the motor of guaranteeing the three-phase on load tap changer can be because of not too low or too high for voltage and cause and burn; When being in off-position, the alternating current of three-phase auto-type transformer power supply starts back-up source module and commutation inversion module, the motor that the reference voltage that the 12V of back-up source battery or 24V voltage are stabilized in setting by commutation inversion module is supplied with intelligent pressure regulating controller and three-phase on load tap changer uses, thereby adjust the initial gear of three-phase on load tap changer automatic returning, guarantee power supply safety.The reference voltage of wherein setting arranges voluntarily for the user.
As shown in Figure 7, the utility model adopts 3-phase autotransformer, on-load tap changer, intelligent pressure regulating controller and intelligent being integrally formed of palm terminal system; The intelligence palm terminal carries out wireless the docking by wireless communication module with the intelligent pressure regulating controller; The intelligence palm terminal can make things convenient for the user to the intelligent pressure regulating controller carry out the parameter setting, manually control and various in real time with the collection of history data, the running status of convenient on-the-spot copy reading observation 3-phase autotransformer, on-load tap changer.
As shown in Figure 8, the utility model adopts 3-phase autotransformer, on-load tap changer, intelligent pressure regulating controller and backstage to analyze being integrally formed system of main website.The backstage is analyzed main website and is carried out wireless the docking by the GPRS communication module with the intelligent pressure regulating controller; The backstage analyze main website can make things convenient for the user to the intelligent pressure regulating controller carry out the parameter setting, manually control and various in real time with the collection of history data, the running status of convenient on-the-spot copy reading observation 3-phase autotransformer, on-load tap changer.
As shown in Figure 9, the utility model adopts 3-phase autotransformer, three-phase on load tap changer, intelligent pressure regulating controller, intelligent palm terminal and backstage to analyze being integrally formed system of main website.The intelligence palm terminal carries out wireless the docking by wireless communication module with the intelligent pressure regulating controller, and intelligent palm terminal is analyzed main website by USB interface and backstage again and docked; Intelligence palm terminal and backstage analyze main website can be simultaneously to the intelligent pressure regulating controller carry out the parameter setting, manually control and various in real time and the collection of history data, the running status of 3-phase autotransformer, three-phase on load tap changer is observed in convenient on-the-spot copy reading, and simultaneously backstage analysis main website also can carry out parameter configuration and setting to intelligent palm terminal; It is prior art that main website is analyzed on the backstage, and it can comprise server and GPRS communication module or other communication module, front end processor and the printer etc. that adopt microsoft operation system.
Claims (9)
1. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on a supporting intelligent palm terminal and backstage, comprise 3-phase autotransformer (1) and three-phase on load tap changer (2), it is characterized in that: described 3-phase autotransformer (1) is connected with the three-phase on load tap changer; Three-phase on load tap changer (2) is connected with an intelligent pressure regulating controller (3) with the control cables line; Power supply in the 3-phase autotransformer (1) is connected with intelligent pressure regulating controller (3).
2. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on supporting intelligent palm terminal according to claim 1 and backstage, it is characterized in that: described intelligent pressure regulating controller (3) comprises core controller (11), intelligent electric power management device (12) and battery, and described core controller (11) is connected 13 with intelligent electric power management device (12) with battery) be connected; Core controller (11) connects 3-phase autotransformer (1), and intelligent electric power management device (12) is connected with three-phase on load tap changer (2); Battery is connected with intelligent electric power management device (12).
3. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on supporting intelligent palm terminal according to claim 2 and backstage, it is characterized in that: described core controller (11) comprises main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and on-load tap changer motor drive module, and described data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and on-load tap changer motor drive module are all received main control MCU.
4. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on supporting intelligent palm terminal according to claim 3 and backstage, it is characterized in that: described intelligent electric power management device (12) comprises commutation inversion module and back-up source administration module, commutation inversion module is connected with 3-phase autotransformer (1), the back-up source administration module is connected with commutation inversion module on the one hand, connects on the other hand battery.
5. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on supporting intelligent palm terminal according to claim 3 and backstage, it is characterized in that: data acquisition module comprises electric energy computation chip and signal processing circuit, and the current shift information of voltage, electric current, temperature and the three-phase on load tap changer of the data collecting module collected three-phase auto-type transformer in the core controller is sent into electric energy computation chip after nursing one's health through signal processing circuit; The main control MCU of core controller is done accurate analog digital conversion by SPI communication bus control electric energy computation chip to this signal, with the current shift information of the voltage, electric current, temperature and the three-phase on load tap changer that obtain this three-phase auto-type transformer; After accurately judging by the main control MCU of core controller, send the Regulation Control instruction to driving the on-load tap changer module, and the tap position of driving on-load tap changer motor change three-phase auto-type transformer and three-phase on load tap changer reaches adjustment voltage to change the 3-phase autotransformer no-load voltage ratio.
6. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on supporting intelligent palm terminal according to claim 3 and backstage, and it is characterized in that: the on-load tap changer motor drive module comprises power supply, switch and MCU; MCU adopts data wire to be connected with switch, and power supply adopts copper conductor to be connected with switch.
7. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on supporting intelligent palm terminal according to claim 4 and backstage, it is characterized in that: main control MCU can start commutation inversion module when the voltage of three-phase auto-type transformer power supply output is less than or greater than the reference voltage of setting, and the motor that the reference voltage that the alternating current of three-phase auto-type transformer power supply is stabilized in setting after by commutation inversion is supplied with the three-phase on load tap changer uses; Main control MCU can start back-up source module and commutation inversion module when the alternating current of the power supply of three-phase auto-type transformer is in off-position, the 12V of back-up source battery or 24V voltage are stabilized in the reference voltage supply intelligent pressure regulating controller of setting and the motor of three-phase on load tap changer by commutation inversion module, and the motor of three-phase on load tap changer is adjusted the initial gear of three-phase on load tap changer (2) automatic returning.
8. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on supporting intelligent palm terminal according to claim 5 and backstage, and it is characterized in that: the intelligent pressure regulating controller carries out wireless the docking by wireless communication module with intelligent palm terminal; The intelligence palm terminal can to the intelligent pressure regulating controller carry out the parameter setting, manually control and various in real time with the collection of history data, intelligent palm terminal can on-the-spot copy reading observation 3-phase autotransformer, the running status of on-load tap changer.
9. the middle pressure voltage-regulation voltage-stabilization system of main website is analyzed on supporting intelligent palm terminal according to claim 5 and backstage, and it is characterized in that: the intelligent pressure regulating controller carries out wireless the docking by the GPRS communication module with backstage analysis main website; The backstage analyze main website can to the intelligent pressure regulating controller carry out the parameter setting, manually control and various in real time with the collection of history data, main website is analyzed on the backstage can on-the-spot copy reading observation 3-phase autotransformer, the running status of on-load tap changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220545444 CN202872376U (en) | 2012-10-22 | 2012-10-22 | Medium-voltage adjusting and stabilizing system matching intelligent handy terminal and background analysis main station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220545444 CN202872376U (en) | 2012-10-22 | 2012-10-22 | Medium-voltage adjusting and stabilizing system matching intelligent handy terminal and background analysis main station |
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| CN202872376U true CN202872376U (en) | 2013-04-10 |
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| CN 201220545444 Expired - Fee Related CN202872376U (en) | 2012-10-22 | 2012-10-22 | Medium-voltage adjusting and stabilizing system matching intelligent handy terminal and background analysis main station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799285A (en) * | 2017-11-18 | 2018-03-13 | 国家电网公司 | A kind of remote-operated 10kv Intelligent distribution transformers and its method of work |
| CN112838792A (en) * | 2020-12-31 | 2021-05-25 | 大力电工襄阳股份有限公司 | Intelligent soft starting device |
-
2012
- 2012-10-22 CN CN 201220545444 patent/CN202872376U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799285A (en) * | 2017-11-18 | 2018-03-13 | 国家电网公司 | A kind of remote-operated 10kv Intelligent distribution transformers and its method of work |
| CN112838792A (en) * | 2020-12-31 | 2021-05-25 | 大力电工襄阳股份有限公司 | Intelligent soft starting device |
| CN112838792B (en) * | 2020-12-31 | 2022-04-12 | 大力电工襄阳股份有限公司 | Intelligent soft starting device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20181022 |