CN103915846B - A kind of for the energy-conservation of base station and Intelligent power distribution device - Google Patents
A kind of for the energy-conservation of base station and Intelligent power distribution device Download PDFInfo
- Publication number
- CN103915846B CN103915846B CN201410153955.0A CN201410153955A CN103915846B CN 103915846 B CN103915846 B CN 103915846B CN 201410153955 A CN201410153955 A CN 201410153955A CN 103915846 B CN103915846 B CN 103915846B
- Authority
- CN
- China
- Prior art keywords
- relay
- unit
- output
- pressure regulation
- normally opened
- 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.)
- Active
Links
Classifications
-
- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
<b> the present invention relates to a kind of for the energy-conservation of base station and Intelligent power distribution device, and it comprises power conversion unit, pressure regulation unit, power supply unit, phase sequence adjustment unit and control unit.Described control unit, for the voltage status according to mains supply and generator power supply, controls power conversion unit and selects the wherein one in mains supply and generator power supply to be that pressure regulation unit is powered; For the voltage magnitude of the input according to pressure regulation unit, control the output voltage of the output of pressure regulation unit; For the phase sequence state of the output according to pressure regulation unit, control the output phase sequence of the output of phase sequence adjustment unit.The present invention, on the basis of guaranteeing base station distribution demand, by dynamic adjustments base station supply power voltage, suppresses end neutral point drifting, reduces the startup peak current of power consumption equipment, realizes the entirety economize on electricity of base station.</b>
Description
Technical field
The present invention relates to power distribution equipment.
Background technology
Current base station number is numerous, distribution wide, website environmental difference is large and unattended operation, causes base station power supply safety and maintenance work not only to work numerous and diverse and difficulty large, significantly increases the O&M cost of base station power.
In communication base station equipment, due to the use of a large amount of Switching Power Supply, make all to there is a large amount of harmonic waves in certain using electricity system region or whole using electricity system, add daily system electricity consumption configuration and there is irrationality, make the serious imbalance of the disorderly and unsystematic and three-phase current of the whole circuit network structure of using electricity system.These above factors, cause and seriously reduce by electric line service efficiency, the reduction of circuit service efficiency will affect its load capacity, also can affect the service efficiency by electric loading.Meanwhile, the voltage that the instability of line voltage is especially higher not only causes equipment heating amount to strengthen, and also shortens the useful life of equipment, adds the failure rate of equipment.And the operating load that larger caloric value also result in air conditioner in machine room strengthens, which in turns increases the waste of electric energy.
Because the technology of existing base station power distribution equipment is limited to, be unclear to base station actual electricity consumption situation, not in time to the management of power use one of base station; Two is power quality and the accumulator quality that can not detect each base station in real time.These Detection tasks mainly rely on and manually complete, and cause the problems such as operating cost is high, control real-time is poor.
The power distribution equipment of current base station often only realizes simple distributing function, and the wiring error occur distribution load and fault, do not have alarm and error correcting capability.
Summary of the invention
The object of the invention is to proposition a kind of for the energy-conservation of base station and Intelligent power distribution device, it can solve the irrational problem of power supply.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
For the energy-conservation of base station and an Intelligent power distribution device, it comprises power conversion unit, pressure regulation unit, power supply unit, phase sequence adjustment unit and control unit; The input of described power conversion unit is connected with mains supply and generator power supply, and the output of power conversion unit is connected with the input of pressure regulation unit; The described output of pressure regulation unit is connected with the input of power supply unit; The output of described power supply unit is connected with direct-flow current consumer and AC electric appliance; Described control unit is connected with AC electric appliance with power supply unit by phase sequence adjustment unit successively;
Described control unit, for the voltage status according to mains supply and generator power supply, controls power conversion unit and selects the wherein one in mains supply and generator power supply to be that pressure regulation unit is powered; For the voltage magnitude of the input according to pressure regulation unit, control the output voltage of the output of pressure regulation unit; For the phase sequence state of the output according to pressure regulation unit, control the output phase sequence of the output of phase sequence adjustment unit.
Preferably, described power conversion unit comprises the normally opened contact of the first relay and the normally opened contact of the second relay, mains supply is connected with the input of pressure regulation unit by the normally opened contact of the first relay, and generator power supply is connected with the input of pressure regulation unit by the normally opened contact of the second relay;
Described pressure regulation unit comprises transformer, voltage regulating module, the normally opened contact of the 4th relay and the normally opened contact of the 5th relay, the primary coil of transformer is as the input of pressure regulation unit, the secondary coil of transformer is connected with the input of voltage regulating module, the output of voltage regulating module is as the output of pressure regulation unit, the output of voltage regulating module comprises an A phase and holds, 2nd A phase is held, B phase is held, C phase is held and zero line side, one A phase is held and is connected with the input of power supply unit by the normally opened contact of the 4th relay, 2nd A phase is held and is connected with the input of power supply unit by the normally opened contact of the 5th relay, B phase is held, C phase is held and is all directly connected with the input of power supply unit with zero line side,
Described phase sequence adjustment unit comprises the normally opened contact of the 6th relay and the normally opened contact of the 7th relay, the output of pressure regulation unit is connected with power supply unit by the normally opened contact of the 6th relay, and the output of pressure regulation unit is also connected with power supply unit by the normally opened contact of the 7th relay, the phase sequence that the output of pressure regulation unit is exported by the normally opened contact of the 6th relay and the normally opened contact of the 7th relay is different;
Described control unit comprises signal acquisition module, central processing module, protecting control output module, supply module, the first relay, the second relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay; Supply module provides operating voltage for control unit; Signal acquisition module is for gathering the signal of telecommunication of the output of the input of power conversion unit, the input of pressure regulation unit and pressure regulation unit; Central processing module is used for the phase sequence state judging the voltage status of mains supply and generator power supply, the voltage magnitude of the input of pressure regulation unit and the output of pressure regulation unit according to the described signal of telecommunication, and is controlled the operating state of the first relay, the second relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay by described protecting control output module.
Preferred further, described pressure regulation unit also comprises the normally opened contact of the 3rd relay, and the output of power conversion unit is connected with the input of power supply unit by the normally opened contact of the 3rd relay; Described control unit also comprises the 3rd relay, and described central processing module also controls the operating state of the 3rd relay by protecting control output module.
Preferred further, described control unit also comprises human-computer interaction module, time module and communication module, and human-computer interaction module, time module are all connected with central processing module with communication module; Communication module is used for being connected with monitoring network.
The present invention has following beneficial effect:
On the basis of guaranteeing base station distribution demand, by dynamic adjustments base station supply power voltage, suppress end neutral point drifting, reduce the startup peak current of power consumption equipment, realize the entirety economize on electricity of base station; Realize the real-time monitoring of base station distribution and electricity consumption, and utilize existing rotating ring monitoring network system, realize the remote monitoring of base station distribution.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram for the energy-conservation of base station and Intelligent power distribution device of present pre-ferred embodiments;
Fig. 2 is the circuit diagram of the power conversion unit of Fig. 1;
Fig. 3 is the circuit diagram of the pressure regulation unit of Fig. 1;
Fig. 4 is the circuit diagram of the phase sequence adjustment unit of Fig. 1;
Fig. 5 is the circuit diagram of the control unit of Fig. 1.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further.
As shown in Figures 1 to 5, a kind of for the energy-conservation of base station and Intelligent power distribution device, it comprises power conversion unit, pressure regulation unit, power supply unit, phase sequence adjustment unit and control unit.
The input of described power conversion unit is connected with mains supply and generator power supply, and the output of power conversion unit is connected with the input of pressure regulation unit; The described output of pressure regulation unit is connected with the input of power supply unit; The output of described power supply unit is connected with direct-flow current consumer and AC electric appliance; Described control unit is connected with AC electric appliance with power supply unit by phase sequence adjustment unit successively;
Wherein, described control unit, for the voltage status according to mains supply and generator power supply, controls power conversion unit and selects the wherein one in mains supply and generator power supply to be that pressure regulation unit is powered; For the voltage magnitude of the input according to pressure regulation unit, control the output voltage of the output of pressure regulation unit; For the phase sequence state of the output according to pressure regulation unit, control the output phase sequence of the output of phase sequence adjustment unit.
Concrete, described power conversion unit comprises the normally opened contact KM1 of the first relay J 1 and normally opened contact KM2 of the second relay J 2, mains supply is connected with the input of pressure regulation unit by the normally opened contact KM1 of the first relay J 1, and generator power supply is connected with the input of pressure regulation unit by the normally opened contact KM2 of the second relay J 2.Because mains supply and generator power supply are alternating current, therefore, have A, B, C three-phase, normally opened contact KM1 and normally opened contact KM2 is that three-phase ganged controls.Normally opened contact KM1 forms the first action module, and normally opened contact KM2 forms the second action module.
Described pressure regulation unit comprises transformer, voltage regulating module, the normally opened contact KM3 of the 3rd relay J 3, the normally opened contact KM4 of the 4th relay J 4, the normally opened contact KM5 of the 5th relay J 5, the primary coil of transformer is as the input of pressure regulation unit, the secondary coil of transformer is connected with the input of voltage regulating module, the output of voltage regulating module is as the output of pressure regulation unit, the output of voltage regulating module comprises an A phase and holds, 2nd A phase is held, B phase is held, C phase is held and zero line side, one A phase is held and is connected with the input of power supply unit by the normally opened contact KM4 of the 4th relay J 4, 2nd A phase is held and is connected with the input of power supply unit by the normally opened contact KM5 of the 5th relay J 5, B phase is held, C phase is held and is all directly connected with the input of power supply unit with zero line side, the output of power conversion unit is connected with the input of power supply unit by the normally opened contact KM3 of the 3rd relay J 3.Normally opened contact KM3 forms bypass module.
Described phase sequence adjustment unit comprises the normally opened contact KM6 of the 6th the relay J 6 and normally opened contact KM7 of the 7th relay J 7, the output of pressure regulation unit is connected with power supply unit by the normally opened contact KM6 of the 6th relay J 6, and the output of pressure regulation unit is also connected with power supply unit by the normally opened contact KM7 of the 7th relay J 7, the phase sequence that the output of pressure regulation unit is exported by the normally opened contact KM6 of the 6th relay J 6 and the normally opened contact KM7 of the 7th relay J 7 is different.Concrete connected mode is, the A phase of pressure regulation unit, B phase, C phase are connected with the C phase of AC electric appliance, B phase, A respectively by normally opened contact KM6, and the A phase of pressure regulation unit, B phase, C phase are connected with the A phase of AC electric appliance, B phase, C respectively by normally opened contact KM7.
Described control unit comprises signal acquisition module, central processing module, protecting control output module, supply module, the first relay, the second relay, the 3rd relay, the 4th relay, the 5th relay, the 6th relay, the 7th relay, human-computer interaction module, time module and communication module; Supply module provides operating voltage for control unit; Signal acquisition module is for gathering the signal of telecommunication of the output of the input of power conversion unit, the input of pressure regulation unit and pressure regulation unit; Central processing module is used for the phase sequence state judging the voltage status of mains supply and generator power supply, the voltage magnitude of the input of pressure regulation unit and the output of pressure regulation unit according to the described signal of telecommunication, and is controlled the operating state of the first relay, the second relay, the 3rd relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay by described protecting control output module.Human-computer interaction module, time module are all connected with central processing module with communication module; Communication module is used for being connected with monitoring network, and namely communication module is connected with rotating ring monitoring network system by monitoring network.Signal acquisition module is multiple voltage transformer (PT) and multiple current transformer (CT).Human-computer interaction module is used for the communication between central processing module and man-machine display control panel; Time module adopts PCF8583 clock chip, by specialized lithium powered battery, for providing timing signal; Power module adopts power of alterating and direct current or the-48V DC power supply of 85V-265V input.Central processing module adopts the microcontroller chip STM32F103VCT6 of ST Microelectronics.
In figure, QF1 to QF13 is common electric switch.KM1 ' to KM7 ' is the control coil of corresponding relay.
Below, with concrete application case, the present embodiment is described.The direct-flow current consumer of the present embodiment is direct current cabinet, and AC electric appliance is air-conditioning.
Shown in composition graphs 5 and Fig. 2, when generator power supply supply power voltage is normal, normally opened contact KM2 disconnects, and normally opened contact KM1 closes, and output busbar voltage is normal, when occurring that output busbar voltage is with no pressure, through certain time delay, the first relay J 1, second relay J 2 of protection output control module sends control command, disconnects the corresponding normally opened contact KM1 of mains supply, the closed corresponding normally opened contact KM2 of generator power supply, generator power supply puts into operation; Or; when mains voltage is normal; the corresponding normally opened contact KM1 of mains supply disconnects, and the corresponding normally opened relay KM2 of Generator power supply closes, and output busbar voltage is normal; when occurring that output busbar voltage is with no pressure; through certain time delay, the first relay J 1, second relay J 2 of protection output control module sends control command, disconnects the corresponding normally opened contact KM2 of generator power supply; the closed corresponding normally opened contact KM1 of mains supply, mains supply puts into operation.
Shown in composition graphs 5 and Fig. 3, control unit carrys out reasonable adjusting output voltage according to the size of the amplitude of transformer primary voltage.When the inlet wire three-phase voltage U of powering all is less than 205V, the 3rd relay J 3 of protection output control module sends control command, the normally opened contact KM3 action of bypass module, by transformer short-circuit, thus the running status making equipment be in incoming power directly to power.When power supply inlet wire three-phase voltage is all between 205V to 230V, 4th relay J 4, the 5th relay J 5 of protection output control module send control command group, transformer pressure-reducing exports by the normally opened contact KM4 of voltage regulating module, the range of decrease of output voltage is 15V, thus makes equipment be in the first economize on electricity running status; When inlet wire three-phase voltage of powering all is greater than 230V; 4th relay J 4, the 5th relay J 5 of protection output control module send control command group; transformer pressure-reducing exports by the normally opened contact KM5 of voltage regulating module; the range of decrease of output voltage is 20V, thus makes equipment be in the second economize on electricity running status.When detecting that power transformation device breaks down, the 3rd relay J 3 of protection output control module sends control command, the normally opened contact KM3 action of bypass module, by transformer short-circuit, thus the running status making equipment be in incoming power directly to power.
Shown in composition graphs 5 and Fig. 4, according to phase sequence, whether normally automatically send control command carries out phase sequence correction to control unit.When voltage phase sequence is normal, the 7th relay J 7 of protecting control output module sends control command, and normally opened contact KM7 closes, power supply normal power supply; When voltage phase sequence is abnormal, the 6th relay J 6, the 7th relay J 7 of protecting control output module send control command group, and normally opened contact KM7 disconnects, and normally opened contact KM6 closes, thus realizes the automatic adjustment of phase sequence incorrect order.
The advantage of the present embodiment is as follows:
(1) according to monitoring base station primary voltage amplitude size, the output gear of dynamic voltage adjustment unit, reach stable base station supply power voltage, balance voltage between phases, suppress point drift in end, reduce neutral phase current, improve fail safe and the durability of base station power consumption equipment and distribution line, realize base station electricity saving.
(2) by the electric parameter in the loops such as control unit Real-Time Monitoring base station inlet wire, generator, air-conditioning and direct current cabinet, networked with the existing rotating ring monitoring network system in base station by the RS485 fieldindustrybus (communication module) of control unit again, the various measured value of transmitted in both directions and instruction, realize the remote monitoring of base station distribution.
(3) inputted with or without 220V voltage by control unit and power conversion unit Real-Time Monitoring civil power; closed and the disconnection of the first action module and the second action module is controlled by protecting control output module; and ensure two action module interlockings, realize the automatic switchover of duplicate supply.
(4) by analyzing the electric parameter in each loop, comparing the alarm of user's setting, protection and action parameter, controlling phase sequence adjustment unit by control unit, realizing the alarm to the reliable electricity consumption of each power consumption equipment, protection or phase sequence automatic calibration.
(5) by power supply unit, the distributing function comprising air-conditioning, direct current cabinet and various electrical sockets etc. is realized.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection range of the claims in the present invention.
Claims (4)
1. for the energy-conservation of base station and an Intelligent power distribution device, it is characterized in that, comprise power conversion unit, pressure regulation unit, power supply unit, phase sequence adjustment unit and control unit; The input of described power conversion unit is connected with mains supply and generator power supply, and the output of power conversion unit is connected with the input of pressure regulation unit; The described output of pressure regulation unit is connected with the input of power supply unit; The output of described power supply unit is connected with direct-flow current consumer and AC electric appliance; Described control unit is connected with AC electric appliance with power supply unit by phase sequence adjustment unit successively;
Described control unit, for the voltage status according to mains supply and generator power supply, controls power conversion unit and selects the wherein one in mains supply and generator power supply to be that pressure regulation unit is powered; For the voltage magnitude of the input according to pressure regulation unit, control the output voltage of the output of pressure regulation unit; For the phase sequence state of the output according to pressure regulation unit, control the output phase sequence of the output of phase sequence adjustment unit;
Described control unit comprises signal acquisition module, central processing module, protecting control output module, supply module, the first relay, the second relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay; Supply module provides operating voltage for control unit; Signal acquisition module is for gathering the signal of telecommunication of the output of the input of power conversion unit, the input of pressure regulation unit and pressure regulation unit; Central processing module is used for the phase sequence state judging the voltage status of mains supply and generator power supply, the voltage magnitude of the input of pressure regulation unit and the output of pressure regulation unit according to the described signal of telecommunication, and is controlled the operating state of the first relay, the second relay, the 4th relay, the 5th relay, the 6th relay and the 7th relay by described protecting control output module.
2. as claimed in claim 1 for the energy-conservation of base station and Intelligent power distribution device, it is characterized in that, described power conversion unit comprises the normally opened contact of the first relay and the normally opened contact of the second relay, mains supply is connected with the input of pressure regulation unit by the normally opened contact of the first relay, and generator power supply is connected with the input of pressure regulation unit by the normally opened contact of the second relay;
Described pressure regulation unit comprises transformer, voltage regulating module, the normally opened contact of the 4th relay and the normally opened contact of the 5th relay, the primary coil of transformer is as the input of pressure regulation unit, the secondary coil of transformer is connected with the input of voltage regulating module, the output of voltage regulating module is as the output of pressure regulation unit, the output of voltage regulating module comprises an A phase and holds, 2nd A phase is held, B phase is held, C phase is held and zero line side, one A phase is held and is connected with the input of power supply unit by the normally opened contact of the 4th relay, 2nd A phase is held and is connected with the input of power supply unit by the normally opened contact of the 5th relay, B phase is held, C phase is held and is all directly connected with the input of power supply unit with zero line side,
Described phase sequence adjustment unit comprises the normally opened contact of the 6th relay and the normally opened contact of the 7th relay, the output of pressure regulation unit is connected with power supply unit by the normally opened contact of the 6th relay, and the output of pressure regulation unit is also connected with power supply unit by the normally opened contact of the 7th relay, the phase sequence that the output of pressure regulation unit is exported by the normally opened contact of the 6th relay and the normally opened contact of the 7th relay is different.
3. as claimed in claim 2 for the energy-conservation of base station and Intelligent power distribution device, it is characterized in that, described pressure regulation unit also comprises the normally opened contact of the 3rd relay, and the output of power conversion unit is connected with the input of power supply unit by the normally opened contact of the 3rd relay; Described control unit also comprises the 3rd relay, and described central processing module also controls the operating state of the 3rd relay by protecting control output module.
4. as claimed in claim 2 for the energy-conservation of base station and Intelligent power distribution device, it is characterized in that, described control unit also comprises human-computer interaction module, time module and communication module, and human-computer interaction module, time module are all connected with central processing module with communication module; Communication module is used for being connected with monitoring network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153955.0A CN103915846B (en) | 2014-04-16 | 2014-04-16 | A kind of for the energy-conservation of base station and Intelligent power distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153955.0A CN103915846B (en) | 2014-04-16 | 2014-04-16 | A kind of for the energy-conservation of base station and Intelligent power distribution device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103915846A CN103915846A (en) | 2014-07-09 |
| CN103915846B true CN103915846B (en) | 2016-03-09 |
Family
ID=51041324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410153955.0A Active CN103915846B (en) | 2014-04-16 | 2014-04-16 | A kind of for the energy-conservation of base station and Intelligent power distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103915846B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217211B (en) * | 2020-10-31 | 2021-07-23 | 国网江苏省电力有限公司信息通信分公司 | 5G communication base station capable of reducing cost and control method thereof |
| CN112243165B (en) * | 2020-10-31 | 2021-10-22 | 深圳护龙科技有限公司 | Stable 5G communication base station and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200949897Y (en) * | 2006-06-21 | 2007-09-19 | 胡继业 | Machine room air-conditioner energy-saving and phase sequence protecting equipment |
| JP4576411B2 (en) * | 2007-08-24 | 2010-11-10 | マキシム・インテグレーテッド・プロダクツ・インコーポレーテッド | Step-up / step-down (buck / boost) switching regulator |
| CN202231434U (en) * | 2011-09-27 | 2012-05-23 | 常仁中 | Intelligent power saver |
| CN102468685A (en) * | 2010-11-19 | 2012-05-23 | 中兴通讯股份有限公司 | Power supply system |
| CN103259276A (en) * | 2013-06-04 | 2013-08-21 | 长沙高升电子电器科技有限公司 | Automatic intelligent power distribution system and power distribution method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203119627U (en) * | 2013-03-05 | 2013-08-07 | 四川爱得机电设备有限公司 | Intelligent comprehensive management system of base station power supply |
-
2014
- 2014-04-16 CN CN201410153955.0A patent/CN103915846B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200949897Y (en) * | 2006-06-21 | 2007-09-19 | 胡继业 | Machine room air-conditioner energy-saving and phase sequence protecting equipment |
| JP4576411B2 (en) * | 2007-08-24 | 2010-11-10 | マキシム・インテグレーテッド・プロダクツ・インコーポレーテッド | Step-up / step-down (buck / boost) switching regulator |
| CN102468685A (en) * | 2010-11-19 | 2012-05-23 | 中兴通讯股份有限公司 | Power supply system |
| CN202231434U (en) * | 2011-09-27 | 2012-05-23 | 常仁中 | Intelligent power saver |
| CN103259276A (en) * | 2013-06-04 | 2013-08-21 | 长沙高升电子电器科技有限公司 | Automatic intelligent power distribution system and power distribution method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103915846A (en) | 2014-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103501058B (en) | Based on the energy efficiency management system of Intelligent platform zone | |
| CN103606944B (en) | A kind of communications equipment room intelligent power supply system | |
| CN105720595A (en) | Three-phase load unbalance adjustment apparatus | |
| CN204205599U (en) | A kind of electronic type feeder line on-load voltage regulating device | |
| WO2018076554A1 (en) | Alternating current-direct current intelligent home micro-grid cooperative system, and operation method therefor | |
| CN104242338A (en) | Micro grid system for transformer substation with distributed power supplies and control method | |
| CN102055202A (en) | Three-phase balancing power-supply energy-saving control management system | |
| CN101609991A (en) | Three-phase load transfer device | |
| CN108336747B (en) | Star-shaped running energy-saving control cabinet of beam pumping unit | |
| CN202997589U (en) | Microgrid intelligent switch | |
| CN109390941B (en) | Power distribution system for distributed energy supply system | |
| CN202749834U (en) | Low-voltage ride through device of photovoltaic grid-connected inverter | |
| CN103915846B (en) | A kind of for the energy-conservation of base station and Intelligent power distribution device | |
| CN103354361A (en) | Low-voltage three-phase load automation balancing device | |
| CN204668960U (en) | A kind of intelligent modularized three-phase imbalance dynamic reactive compensation device | |
| CN201369491Y (en) | General-purpose buffer type high-voltage switch cabinet for high-voltage frequency converter | |
| CN205583706U (en) | Three -phase unbalanced load adjusting device | |
| CN205646829U (en) | Alternating voltage compensating system | |
| CN202797977U (en) | Power electronic system combining voltage support with fault current limiting | |
| CN205283147U (en) | Automatic commutation device of distribution network | |
| CN201910624U (en) | Electrical energy optimizing device | |
| CN109510191A (en) | A kind of power grid quality evaluation method and device | |
| CN105870998B (en) | A kind of rectification module dormancy control method of transformer station direct current system | |
| CN112542844A (en) | District electric energy quality optimizing apparatus based on regional wireless communication | |
| CN204271513U (en) | A kind of loaded capacity-regulated transformer station realizing Based Intelligent Control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |