CN115800326B - Distributed three-phase power supply self-balancing system and method - Google Patents
Distributed three-phase power supply self-balancing system and method Download PDFInfo
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Abstract
The invention provides a distributed three-phase power supply self-balancing system and a method, which belong to the technical field of power supply and distribution of a data machine room, wherein the system comprises: the electrode rotating unit comprises a rotating module and an A polar plate, a B polar plate and a C polar plate which are fixed on the rotating module through an insulating base; the electrode plates A, B and C are respectively connected with an A-phase power supply, a B-phase power supply and a C-phase power supply fed out by the uninterruptible power supply; the electrode switching unit is respectively connected with the main control unit and the power supply module of the electric equipment and is used for being contacted with the electrode plate A, the electrode plate B or the electrode plate C according to the control instruction of the main control unit to supply power to the power supply module of the electric equipment. The invention solves the problems of large three-phase balancing workload, low precision and the like of the existing power distribution system by deducing the configuration information of the three-phase balance of the power supply system in the main control unit.
Description
Technical Field
The invention relates to the technical field of power supply and distribution of a data machine room, in particular to a distributed three-phase power supply self-balancing system and method.
Background
Under the traditional mode, the data computer lab power adopts municipal power access, then sets up uninterrupted power source in the supporting power supply room of data computer lab and carries out secondary distribution. The uninterrupted power supply generally feeds out a plurality of loops according to the requirements of electric equipment and is respectively connected to different electric equipment. The reliability requirements of the data machine room on power supply are also becoming higher and higher, and the problem of three-phase balance of the power distribution system is gradually attracting attention of users. The unbalanced three-phase load can influence the safe operation of electric equipment, and the probability of power failure is increased, so that additional power consumption is increased.
Along with the rapid development of digitization and informatization, the data machine room has the conditions of capacity expansion, equipment increase and the like, but the traditional mode generally adopts a fixed specification power distribution cabinet, the capacity expansion or change is difficult after the specification is determined, and the load of each power distribution loop can be calculated by re-carding in a mode of replacing or newly adding the power distribution cabinet and the like to realize re-balancing, so that the labor cost is high and the calculation precision is insufficient.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a distributed three-phase power supply self-balancing system and a distributed three-phase power supply self-balancing method.
A distributed three-phase power self-balancing system, comprising:
the electrode rotating unit comprises a rotating module and an A polar plate, a B polar plate and a C polar plate which are fixed on the rotating module through an insulating base; the electrode plates A, B and C are respectively connected with an A-phase power supply, a B-phase power supply and a C-phase power supply fed out by the uninterruptible power supply;
the electrode switching unit is respectively connected with the main control unit and the power supply module of the electric equipment and is used for being contacted with the electrode plate A, the electrode plate B or the electrode plate C according to the control instruction of the main control unit to supply power to the power supply module of the electric equipment.
Preferably, the electrode opening/closing unit includes:
the magnetic conducting electrode is connected with the power supply module of the electric equipment;
and the electromagnetic pole is connected with the main control unit and is used for enabling the magnetic guide electrode to move up and down under the action of a magnetic field generated by the electromagnetic pole according to a control instruction of the main control unit, and is contacted with the polar plate and electrified when moving upwards, and disconnected with the polar plate and powered off when moving downwards.
Preferably, the electrode opening and closing unit further includes:
the upper polar plate positioning switch is arranged on the magnetic conducting electrode and is used for triggering the upper polar plate positioning switch and sending the conduction state information to the main control unit when the magnetic conducting electrode moves upwards and is connected with the polar plate;
the lower polar plate positioning switch is arranged on the magnetic conducting electrode and is used for triggering the lower polar plate positioning switch and sending non-conduction state information to the main control unit when the magnetic conducting electrode moves downwards and contacts with the electromagnetic electrode.
Preferably, the main control unit is connected with the rotating module, and is used for controlling the rotating module to rotate according to the on/off state information and the current value on the power module of the electric equipment, so that the corresponding polar plate is contacted with or disconnected from the electromagnetic pole.
The invention also provides a distributed three-phase power supply self-balancing method, which comprises the following steps:
step 1: acquiring working current of each electric equipment;
step 2: obtaining peak power of each electric equipment according to the working current, and sequencing the peak power of each electric equipment from small to large to generate an array y= [ x ] 1 ,x 2 ,…,x n ]Wherein x is n The peak power of the nth electric equipment;
step 3: calculating the total standard deviation of the peak power of the electric equipment;
step 4: calculating configuration information according to the total standard deviation; the configuration information comprises a A-phase configuration parameter, a B-phase configuration parameter and a C-phase configuration parameter;
step 5: and the main control unit controls each polar plate on the rotating module to rotate according to the configuration information to supply power to the electric equipment.
Preferably, the step 4: calculating configuration information according to the total standard deviation, including:
step 4.1: when the total standard deviation is less than or equal to 2, and when the number n of the electric equipment is an even number, the array y is regrouped into:
when n is odd, the array y is regrouped into:
step 4.2: and (3) dividing the grouped data into three parts, and respectively writing the A-phase matching parameter, the B-phase matching parameter and the C-phase matching parameter in the configuration information.
Preferably, the step 4: calculating configuration information according to the total standard deviation, and further comprising:
step 4.3: when the total standard deviation is greater than 2, opening the A-phase matching parameters, taking out the data in the array y and accumulating from large to small to obtain y A If the data is newly added
This data is discarded if the absolute value becomes larger until +.>
The absolute value is the minimum, wherein +.>
Step 4.4: opening the B-phase space, and accumulating the rest data in the array y from large to small B If the data is newly added
This data is discarded if the absolute value becomes larger until +.>
The absolute value is the minimum value;
step 4.5: the remaining data in array y is set in the C-phase space.
The invention also provides an electronic device comprising a bus, a transceiver, a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the transceiver, the memory and the processor are connected through the bus, and the method is characterized in that the computer program is executed by the processor to realize the steps in the distributed three-phase power self-balancing method.
The invention also provides a computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of a distributed three-phase power self-balancing method described above.
The distributed three-phase power supply self-balancing system and method provided by the invention have the beneficial effects that: compared with the prior art, the three-phase balancing method and device for the power distribution system solve the problems of large three-phase balancing workload, low precision and the like of the existing power distribution system by utilizing the configuration information of the three-phase balancing of the power supply system deduced in the main control unit.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a side view of a three-phase power switching device according to an embodiment of the present invention;
fig. 2 shows a front view of a three-phase power switching device according to an embodiment of the present invention;
fig. 3 shows a schematic diagram of a distributed three-phase power self-balancing system according to an embodiment of the present invention.
Symbol description:
1. c pole plates; 2. a rotation module; 3. a B polar plate; 4. an insulating base; 5. a pole plate A; 6. an upper polar plate positioning switch; 7. a magnetic conductive electrode; 8. a lower polar plate positioning switch; 9. electromagnetic poles.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-3, a distributed three-phase power self-balancing system includes: the three-phase power supply switching devices are arranged on all feed-out loops of the uninterruptible power supply; the three-phase power switching device includes: the device comprises an electrode rotating unit, an electrode opening and closing unit and a main control unit.
The electrode rotating unit comprises a rotating module 2, and an A polar plate 5, a B polar plate 3 and a C polar plate 1 which are fixed on the rotating module 2 through an insulating base 4; the pole plate A5, the pole plate B3 and the pole plate C1 are respectively connected with a phase A power supply, a phase B power supply and a phase C power supply fed out by the uninterrupted power supply; the electrode switching unit is respectively connected with the main control unit and the power supply module of the electric equipment and is used for supplying power to the power supply module of the electric equipment by contacting the electrode switching unit with the electrode plate A5, the electrode plate B3 or the electrode plate C1 according to a control instruction of the main control unit.
Further, the electrode opening/closing unit includes: a magnetic conducting electrode 7, an electromagnetic electrode 9 and a positioning switch.
The magnetic conducting electrode 7 is connected with the power supply module of the electric equipment; and the electromagnetic pole 9 is connected with the main control unit and is used for enabling the magnetic conducting electrode 7 to move up and down under the action of a magnetic field generated by the electromagnetic pole 9 according to a control instruction of the main control unit, and is contacted with the polar plate and electrified when moving upwards, and disconnected with the polar plate and powered off when moving downwards. The electrode switching unit further includes: the upper polar plate positioning switch 6 is arranged on the magnetic conducting electrode 7 and is used for triggering the upper polar plate positioning switch 6 and sending the conduction state information to the main control unit when the magnetic conducting electrode 7 moves upwards and is connected with the polar plate; the lower polar plate positioning switch 8 is arranged on the magnetic conducting electrode 7 and is used for triggering the lower polar plate positioning switch 8 and sending non-conduction state information to the main control unit when the magnetic conducting electrode 7 moves downwards and contacts with the electromagnetic pole 9.
In practical application, the electrode opening and closing unit comprises a magnetic guide electrode 7, a positioning switch and an electromagnetic electrode 9, and can receive the instruction of the main control unit to realize opening and closing actions; the magnetic conducting electrode 7 can move up and down under the action of a magnetic field generated by the electromagnetic electrode 9, can be contacted with the polar plate and electrified when moving upwards, and is disconnected with the polar plate when moving downwards, and is in a non-conducting state, and at the moment, the rotary module 2 can act under the instruction of the main control unit; the magnetic guide electrode 7 is provided with an output cable which can be directly connected with a power supply module of electric equipment; the positioning switch comprises an upper polar plate positioning switch 6 and a lower polar plate positioning switch 8, and when the magnetic conducting electrode 7 moves upwards and is connected with the polar plate, the upper polar plate positioning switch 6 triggers and sends conduction state information to the main control unit; the magnetic conducting electrode 7 moves downwards, and when contacting with the electromagnetic pole 9, the lower polar plate positioning switch 8 triggers and sends non-conduction state information to the main control unit; the electromagnetic pole 9 is fixedly arranged at the bottom of the device, and can generate a magnetic field to the upper N pole or the upper S pole under the instruction of the active unit, so as to push the magnetic guide electrode 7 to move up and down.
Further, the main control unit is connected with the rotating module 2, and is configured to control the rotating module 2 to rotate according to the on/off state information and the current value on the power module of the electric equipment, so that the corresponding pole plate is in contact with or disconnected from the electromagnetic pole 9.
In practical application, the rotating module 2 can receive the instruction of the main control unit, and finish the actions of homing, clockwise rotation by 120 degrees and anticlockwise rotation by 120 degrees in the unpowered state, and the phase plate 55 of the phase A is in a conductive state, the phase plate 3 of the phase B is in a conductive state and the phase plate 1 of the phase 120 ℃ is in a conductive state in the clockwise rotation; the insulating base 4 isolates the polar plate from the rotary module 2; the non-energized state is a state in which the polar plate and the electromagnetic pole 9 are not contacted.
The main control unit comprises a control module, a detection module, a communication module, a calculation module and the like, wherein the control module receives the balanced state configuration information of the calculation module and controls the running states of the electrode rotating unit and the electrode opening and closing unit, and the detection module is arranged on a zero line between the uninterruptible power supply and the electric equipment and detects the electric equipment current value in real time; the communication module realizes data intercommunication among all three-phase power switching devices in the system in a wired or wireless mode, wherein the data comprises acquisition information and configuration information of the detection module; the computing module collects information in the system, computes balanced configuration information and broadcasts the configuration information to all three-phase power switching device main control units of the system through the communication module. The configuration information comprises information that each three-phase power supply switching device in the system needs to be provided with an electrode, and a main control unit in each three-phase power supply switching device executes electrode switching operation according to the information.
The invention also provides a distributed three-phase power supply self-balancing method, which comprises the following steps:
step 1: acquiring working current of each electric equipment;
before step 1, the invention needs to arrange three-phase power switching devices in all power distribution circuits; all three-phase power supply switching devices are respectively set as an A-phase electrode, a B-phase electrode and a C-phase electrode according to the proportion of 1:1:1;
switching on a power supply and turning on all electric equipment; after the working current data acquired by each detection module, all electric equipment is turned off, and a total power supply is disconnected; a certain main control unit in the system is designated as a main calculation unit, and the main control unit collects data in all detection modules in the system through a communication module.
Step 2: obtaining peak power of each electric equipment according to the working current, and sequencing the peak power of each electric equipment from small to large to generate an array y= [ x ] 1 ,x 2 ,…,x n ]Wherein x is n The peak power of the nth electric equipment;
step 3: calculating the total standard deviation of the peak power of the electric equipment;
in practical application, the invention needs to number each electric equipment in the system, calculate the peak power of all the electric equipment in the system and initialize configuration information; at the same time, n electric equipment are ordered according to the power from small to large to generate an array y= [ x ] 1 ,x 2 ,…,x n ]And calculates the total power
And total standard deviation of all power values thereof
Step 4: calculating configuration information according to the total standard deviation; the configuration parameters include an A-phase configuration parameter, a B-phase configuration parameter, and a C-phase configuration parameter.
Further, the step 4 includes:
step 4.1: when the total standard deviation is less than or equal to 2, and when the number n of the electric equipment is an even number, the array y is regrouped into:
step 4.2: dividing the data into three parts and writing the data into A-phase parameter, B-phase parameter and C-phase parameter in the configuration information; after the allocation is completed, step 5 is performed.
The invention is further illustrated below in conjunction with specific examples:
example 1 (total standard deviation 2 or less): assuming that the number of electric equipment is n=10, and the power is S respectively 1 ＝5、S 2 ＝4、S 3 ＝5、S 4 ＝2、S 5 ＝1、S 6 ＝6、S 7 ＝3、S 8 ＝3、S 9 ＝5、S 10 =2, sorting n electric devices according to power from small to large to generate an array y= [ x ] 1 ＝S 5 ＝1,x 2 ＝S 4 ＝2,x 3 ＝S 10 ＝2,x 4 ＝S 7 ＝3,x 5 ＝S 8 ＝3,x 6 ＝S 2 ＝4,x 7 ＝S 1 ＝5,x 8 ＝S 3 ＝5,x 9 ＝S 9 ＝5,x 10 ＝S 6 ＝6]Calculating a total power value
All power values thereof total standard deviation->
Step 4.1 is performed as described above: n=10 is an even number, then group array y as:
step 4.2 above is performed: y is Y 1 The data are grouped into 5 parts, and the 5 parts are evenly distributed into the A\B\C three-phase configuration parameters. 5/3=1 and more than 2, two sets of data are filled in the phase a and phase B matching parameters, and one set of data is filled in the phase C matching parameters. Namely: the A phase parameter is [ (x) 1 ,x 10 ),(x 2 ,x 9 )]The B-phase parameter is [ (x) 3 ,x 8 ),(x 4 ,x 7 )]The C phase parameter is [ (x) 5 ,x 6 )]。
Step 4.3: when the total standard deviation is greater than 2, opening the A-phase matching parameters, taking out the data in the array y and accumulating from large to small to obtain y A If the data is newly added
This data is discarded if the absolute value becomes larger until +.>
The absolute value is the minimum, wherein +.>
Step 4.4: opening the B-phase space, and accumulating the rest data in the array y from large to small B If the data is newly added
This data is discarded if the absolute value becomes larger until +.>
Data with the absolute value being the minimum value; />
Step 4.5: and setting the residual data in the array y in the C-phase space, and executing the step 5.
The invention is further illustrated below in conjunction with specific examples:
example 2 (overall standard deviation greater than 2, which is the case in most practical scenarios): assuming that the number of electric devices is n=10 (in practical cases, the number of electric devices in the data center is more than 500), and the power is S respectively 1 ＝1、S 2 ＝2、S 3 ＝10、S 4 ＝12、S 5 ＝1、S 6 ＝3、S 7 ＝8、S 8 ＝2、S 9 ＝1、S 10 =2, sorting n electric devices according to power from small to large to generate an array y= [ x ] 1 ＝S 1 ＝1,x 2 ＝S 5 ＝1,x 3 ＝S 9 ＝1,x 4 ＝S 2 ＝2,x 5 ＝S 8 ＝2,x 6 ＝S 10 ＝2,x 7 ＝S 6 ＝3,x 8 ＝S 7 ＝8,x 9 ＝S 3 ＝10,x 10 ＝S 4 ＝12]Calculating a total power value
Total standard deviation of all power values thereof
Step 4.3 is executed:
the maximum value in the array y is imported into the A-phase parameter, y A ＝[x 10 ＝S 4 ＝12]Calculate->
Further, the next highest value x in the array y 9 Supplement into y A In, calculate
The difference range becomes larger, y A Delete x 10 Data; will x 9 Supplement into y A Repeating the calculation steps to obtain y A ＝[x 10 ＝S 4 ＝12，x 6 ＝S 10 ＝2]When (I)>
The absolute value is the minimum value; taking the initial value y of B-phase matching parameters B ＝[x 9 ＝S 3 ＝10]Repeating the phase A parameter calculation step to finally obtain y B ＝[x 9 ＝S 3 ＝10，x 7 ＝S 6 ＝3，x 3 ＝S 9 ＝1]So that->
Is the minimum absolute value;
and 4.4, setting the residual data in the array y in the C-phase space. I.e. y C ＝[x 8 ＝S 7 ＝8，x 5 ＝S 8 ＝2，x 4 ＝S 2 ＝2，x 2 ＝S 5 ＝1，x 1 ＝S 1 ＝1]，
And finishing three-phase configuration.
Step 5: and the main control unit controls each polar plate on the rotating module to rotate according to the configuration information to supply power to the electric equipment. If the system performs the rebuilding and expanding operation, the steps 1-5 are repeated.
According to the invention, the three-phase power supply input remote switching operation can be realized by arranging the three-phase power supply switching device, meanwhile, the distributed three-phase power supply switching device is utilized to collect the global load actual current, calculate the actual power consumption of each electric equipment, then, data are gathered on a main control unit of a certain settable three-phase power supply switching device in the system, the configuration information of the three-phase balance of the power supply system is deduced through a calculation module in the main control unit, the problems of high three-phase balancing workload, low precision and the like of the existing power distribution system are solved, and meanwhile, the problems of large-scale repeated operation and the like caused by the expansion of a machine room in a traditional mode are avoided.
The invention also provides an electronic device comprising a bus, a transceiver, a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the transceiver, the memory and the processor are connected through the bus, and the method is characterized in that the computer program is executed by the processor to realize the steps in the distributed three-phase power self-balancing method. Compared with the prior art, the beneficial effects of the electronic equipment provided by the invention are the same as those of the distributed three-phase power supply self-balancing method disclosed by the technical scheme, and the description is omitted here.
The invention also provides a computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of a distributed three-phase power self-balancing method described above. Compared with the prior art, the beneficial effects of the computer readable storage medium provided by the invention are the same as those of the distributed three-phase power supply self-balancing method described in the technical scheme, and the description is omitted here.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art can easily think about variations or alternatives within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A distributed three-phase power self-balancing system, comprising:
the electrode rotating unit comprises a rotating module and an A polar plate, a B polar plate and a C polar plate which are fixed on the rotating module through an insulating base; the electrode plates A, B and C are respectively connected with an A-phase power supply, a B-phase power supply and a C-phase power supply fed out by the uninterruptible power supply;
the electrode switching unit is respectively connected with the main control unit and the power supply module of the electric equipment and is used for contacting the electrode switching unit with the electrode plate A, the electrode plate B or the electrode plate C according to the control instruction of the main control unit to supply power to the power supply module of the electric equipment;
the electrode opening and closing unit includes:
the magnetic conducting electrode is connected with the power supply module of the electric equipment;
and the electromagnetic pole is connected with the main control unit and is used for enabling the magnetic guide electrode to move up and down under the action of a magnetic field generated by the electromagnetic pole according to a control instruction of the main control unit, and is contacted with the polar plate and electrified when moving upwards, and disconnected with the polar plate and powered off when moving downwards.
2. The distributed three-phase power self-balancing system according to claim 1, wherein the electrode opening and closing unit further comprises:
the upper polar plate positioning switch is arranged on the magnetic conducting electrode and is used for triggering the upper polar plate positioning switch and sending the conduction state information to the main control unit when the magnetic conducting electrode moves upwards and is connected with the polar plate;
the lower polar plate positioning switch is arranged on the magnetic conducting electrode and is used for triggering the lower polar plate positioning switch and sending non-conduction state information to the main control unit when the magnetic conducting electrode moves downwards and contacts with the electromagnetic electrode.
3. The distributed three-phase power self-balancing system according to claim 2, wherein the main control unit is connected with the rotating module, and is configured to control the rotating module to rotate according to the on/off state information and the current value on the power module of the electric device, so that the corresponding pole plate is in contact with or disconnected from the electromagnetic pole.
4. A method of balancing a distributed three-phase power self-balancing system as claimed in any one of claims 1 to 3, comprising:
step 1: acquiring working current of each electric equipment;
step 2:obtaining peak power of each electric equipment according to the working current, and sequencing the peak power of each electric equipment from small to large to generate an array y= [ x ] 1 ,x 2 ,…,x n ]Wherein x is n The peak power of the nth electric equipment;
step 3: calculating the total standard deviation of the peak power of the electric equipment;
step 4: calculating configuration information according to the total standard deviation; the configuration information comprises a A-phase configuration parameter, a B-phase configuration parameter and a C-phase configuration parameter;
step 5: the main control unit controls each polar plate on the rotating module to rotate according to the configuration information to supply power to the electric equipment;
the step 4: calculating configuration information according to the total standard deviation, including:
step 4.1: when the total standard deviation is less than or equal to 2, and when the number n of the electric equipment is an even number, the array y is regrouped into:
when n is odd, the array y is regrouped into:
step 4.2: dividing the grouped data into three parts, and respectively writing the A-phase parameter, the B-phase parameter and the C-phase parameter in the configuration information;
the step 4: calculating configuration information according to the total standard deviation, and further comprising:
step 4.3: when the total standard deviation is greater than 2, opening the A-phase matching parameters, taking out the data in the array y and accumulating from large to small to obtain y A If the data is newly added
Discarding the corresponding data if the absolute value becomes larger, taking +.>
With minimum absolute valueIs used as an A-phase parameter, wherein +.>
Step 4.4: opening the B-phase space, and accumulating the rest data in the array y from large to small to obtain y B If the data is newly added
Discarding the data if the absolute value becomes larger, taking +.>
The array with the minimum absolute value is used as a B-phase matching parameter;
step 4.5: the remaining data in array y is set in the C-phase space.
5. An electronic device comprising a bus, a transceiver, a memory, a processor and a computer program stored on the memory and executable on the processor, the transceiver, the memory and the processor being connected by the bus, characterized in that the computer program when executed by the processor implements the steps of a distributed three-phase power self-balancing method as claimed in claim 4.
6. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of a distributed three-phase power self-balancing method according to claim 4.
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| JPWO2015162733A1 (en) * | 2014-04-23 | 2017-04-13 | 新電元工業株式会社 | Power supply device and control device |
| CN109217340B (en) * | 2018-09-19 | 2022-02-15 | 深圳友讯达科技股份有限公司 | Three-phase balance adjusting device, system and method |
| CN112003280B (en) * | 2018-12-19 | 2022-02-18 | 军事科学院系统工程研究院卫勤保障技术研究所 | Portable three-phase load balanced type power distribution system for field tent hospital |
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2022
- 2022-11-17 CN CN202211459388.2A patent/CN115800326B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362654A (en) * | 2014-12-04 | 2015-02-18 | 任军亮 | Three-phase balance power supply system, three-phase balance method of three-phase balance system, as well as modular power distribution cabinet with three-phase balance power supply system |
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