CN117614240A - Intelligent dynamic current-voltage three-phase three-wire load controller - Google Patents

Intelligent dynamic current-voltage three-phase three-wire load controller Download PDF

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Publication number
CN117614240A
CN117614240A CN202311510487.3A CN202311510487A CN117614240A CN 117614240 A CN117614240 A CN 117614240A CN 202311510487 A CN202311510487 A CN 202311510487A CN 117614240 A CN117614240 A CN 117614240A
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CN
China
Prior art keywords
phase
control element
dynamic control
controller
voltage
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.)
Pending
Application number
CN202311510487.3A
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Chinese (zh)
Inventor
彭忠谏
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Sichuan Xing Neng Photoelectric Technology Development Co ltd
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Sichuan Xing Neng Photoelectric Technology Development Co ltd
Priority date (The priority date 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 date listed.)
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Application filed by Sichuan Xing Neng Photoelectric Technology Development Co ltd filed Critical Sichuan Xing Neng Photoelectric Technology Development Co ltd
Priority to CN202311510487.3A priority Critical patent/CN117614240A/en
Publication of CN117614240A publication Critical patent/CN117614240A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0038—Circuits or arrangements for suppressing, e.g. by masking incorrect turn-on or turn-off signals, e.g. due to current spikes in current mode control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0048—Circuits or arrangements for reducing losses

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ac-Ac Conversion (AREA)

Abstract

The invention discloses an intelligent dynamic current-voltage three-phase three-wire load controller, which comprises a controller input end, a controller output end, a power switch, a first dynamic control element, a second dynamic control element, a third dynamic control element, a first current transformer, a second current transformer, a third current transformer and the like; the input end of the controller is arranged on the three-phase three-wire input side, and the output end of the controller is arranged on the three-phase three-wire output side; the power switch is connected with the input end of the controller; the first dynamic control element, the second dynamic control element and the third dynamic control element are respectively arranged on an A phase, a B phase and a C phase of the three-phase three-wire system. The invention can play a role in regulating the current in the three-phase three-wire load circuit, avoid the influence of suddenly increased voltage and current on the service life of equipment, effectively protect the safety of the power utilization load and has lower cost.

Description

Intelligent dynamic current-voltage three-phase three-wire load controller
Technical Field
The invention relates to the technical fields of three-phase three-wire 380V-420V inductive, resistive load protection and electric energy saving, in particular to an intelligent dynamic current-voltage three-phase three-wire load controller.
Background
When the electric equipment load works by consuming electric energy, the set voltage is 380V, but the specific requirement of reducing the line loss due to the specificity of alternating current and electric energy transmission is met. The voltage is often higher than the rated voltage (380V-420V of three-phase three-wire), and the higher voltage can cause the electrical equipment to generate excessive current at the same time. According to the fact that the power is equal to the current multiplied by the voltage, the excess power generated by the excess current and the excess power generated by the voltage can cause the loss of electric energy to be increased, the load of the electrical equipment is easy to damage, and the service life of the electrical equipment is shortened.
Disclosure of Invention
The invention provides an intelligent dynamic current-voltage three-phase three-wire load controller, which aims to solve one of the technical problems that: when the load of the three-phase three-wire electrical equipment works, how to ensure that the electrical equipment works under rated voltage and current state, the electric energy loss caused by excessive current and voltage is controlled, thereby achieving the aim of saving energy and the technical problem of reducing the service life of the electrical equipment caused by excessive current and voltage.
In view of the foregoing problems of the prior art, according to one aspect of the disclosure, the present invention adopts the following technical solutions:
an intelligent dynamic current-voltage three-phase three-wire load controller, comprising:
the controller input end is arranged on a three-phase three-wire input side, and the controller output end is arranged on a three-phase three-wire output side;
the power switch is connected with the input end of the controller;
the first dynamic control element, the second dynamic control element and the third dynamic control element are respectively arranged on an A phase, a B phase and a C phase of three-phase three-wire, and one end of the first dynamic control element, the second dynamic control element and the third dynamic control element is connected with the input end of the controller;
the controller comprises a first current transformer, a second current transformer and a third current transformer, wherein the first current transformer is arranged between the first dynamic control element and the output end of the controller, the second current transformer is arranged between the second dynamic control element and the output end of the controller, and the third current transformer is arranged between the first dynamic control element and the output end of the controller.
In order to better realize the invention, the further technical scheme is as follows:
further, the method further comprises the following steps:
and the first power indicator lamp is connected between the A phase and the B phase on the outlet side of the power switch.
Further, the method further comprises the following steps:
and the second power indicator lamp is connected between the B phase and the C phase on the outgoing line side of the power switch.
Further, the method further comprises the following steps:
and the third power indicator lamp is connected between the A phase and the C phase on the outlet side of the power switch.
Further, the method further comprises the following steps:
and the first voltage detector is connected between the other end of the first dynamic control element and the other end of the second dynamic control element.
Further, the method further comprises the following steps:
and a fourth operation indicator lamp connected between the other end of the first dynamic control element and the other end of the second dynamic control element.
Further, the method further comprises the following steps:
and the second voltage detector is connected between the other end of the first dynamic control element and the other end of the third dynamic control element.
Further, the method further comprises the following steps:
and the fifth working indicator lamp is connected between the other end of the first dynamic control element and the other end of the third dynamic control element.
Further, the method further comprises the following steps:
and a third voltage detector connected between the other end of the second dynamic control element and the other end of the third dynamic control element.
Further, the method further comprises the following steps:
and the sixth working indicator lamp is connected between the other end of the second dynamic control element and the other end of the third dynamic control element.
Compared with the prior art, the invention has one of the following beneficial effects:
the intelligent dynamic current-voltage three-phase three-wire load controller can play a role in regulating current in a three-phase three-wire load circuit, avoid the influence of suddenly increased voltage and current on the service life of equipment, effectively protect the safety of an electric load, has lower cost and has better energy-saving effect compared with the existing electronic element protection device.
Drawings
For a clearer description of embodiments of the present application or of solutions in the prior art, reference will be made below to the accompanying drawings, which are used in the description of embodiments or of the prior art, it being apparent that the drawings in the description below are only references to some embodiments of the present application, from which other drawings can be obtained, without inventive effort, for a person skilled in the art.
Fig. 1 is a schematic diagram of a smart dynamic current-voltage three-phase three-wire load controller according to one embodiment of the present invention.
Fig. 2 is a schematic structural view of a dynamic control element according to an embodiment of the present invention.
Wherein, the drawing names corresponding to the reference numerals are as follows:
the power supply system comprises a 1-controller input end, a 2-power switch, a 3-first dynamic control element, a 4-second dynamic control element, a 5-third dynamic control element, a 6-controller output end, a 7-first current transformer, an 8-second current transformer, a 9-third current transformer, a 10-first power supply indicator lamp, a 11-second power supply indicator lamp, a 12-third power supply indicator lamp, a 13-first voltage detector, a 14-fourth operation indicator lamp, a 15-second voltage detector, a 16-fifth operation indicator lamp, a 17-third voltage detector, a 18-sixth operation indicator lamp, a 19-first current display meter, a 20-second current display meter, a 21-third current display meter, a 22-silicon steel core ring, a 23-insulated flexible wire, a 24-insulating layer, a 25-input end and a 26-output end.
Detailed Description
The present invention will be described in further detail with reference to examples, but embodiments of the present invention are not limited thereto.
Referring to fig. 1, an intelligent dynamic current-voltage three-phase three-wire load controller comprises a controller input end 1, a controller output end 6, a power switch 2, a first dynamic control element 3, a second dynamic control element 4, a third dynamic control element 5, a first current transformer 7, a second current transformer 8, a third current transformer 9 and the like; the controller input end 1 is arranged on a three-phase three-wire input side, and the controller output end 6 is arranged on a three-phase three-wire output side; the power switch 2 is connected with the input end 1 of the controller; the first dynamic control element 3, the second dynamic control element 4 and the third dynamic control element 5 are respectively arranged on an A phase, a B phase and a C phase of three-phase three-wire, and one end of the first dynamic control element is connected with the input end 1 of the controller; the first current transformer 7 is arranged between the first dynamic control element 3 and the controller output 6, the second current transformer 8 is arranged between the second dynamic control element 4 and the controller output 6, and the third current transformer 9 is arranged between the first dynamic control element 3 and the controller output 6.
The first power indicator lamp 10 is connected between the a phase and the B phase on the outgoing line side of the power switch 2. A second power indicator lamp 11 is connected between the B phase and the C phase on the outgoing line side of the power switch 2. A third power indicator 12 is connected between the a-phase and the C-phase on the outgoing side of the power switch 2.
A first voltage detector 13 is connected between the other end of the first dynamic control element 3 and the other end of the second dynamic control element 4. A fourth operation indicator light 14 is connected between the other end of the first dynamic control element 3 and the other end of the second dynamic control element 4.
A second voltage detector 15 is connected between the other end of the first dynamic control element 3 and the other end of the third dynamic control element 5. A fifth operation indicator lamp 16 is connected between the other end of the first dynamic control element 3 and the other end of the third dynamic control element 5.
A third voltage detector 17 is connected between the other end of the second dynamic control element 4 and the other end of the third dynamic control element 5. A sixth operation indicator lamp 18 is connected between the other end of the second dynamic control element 4 and the other end of the third dynamic control element 5.
As shown in fig. 1, the first current transformer 7 is connected to a first current display meter 19, the second current transformer 8 is connected to a second current display meter 20, and the third current transformer 9 is connected to a third current display meter 21.
As shown in fig. 2, fig. 2 shows a schematic structural diagram of a dynamic control element according to an embodiment, and the first dynamic control element 3, the second dynamic control element 4, and the third dynamic control element 5 in the above embodiment may be the dynamic control elements shown in fig. 2. The high-voltage transformer comprises a silicon steel iron core ring 22 and an insulated flexible conductor 23, wherein the silicon steel iron core ring 22 is integrally formed into a ring shape formed by a solid silicon steel iron core, has no opening, can be rolled by a silicon steel sheet, and is formed by closing the silicon steel. The insulated flexible wires 23 are wound on the silicon steel iron core ring 22, an insulating layer 24 is arranged between the wound insulated flexible wires 23, an input end 25 and an output end 26 are arranged on the insulated flexible wires 23, and the input end 25 and the output end 26 can be oriented or not oriented; the silicon steel core ring 22 is closed and may take the form of a circle or square. The insulated pigtails 23 have a cross-section of 16-300 square millimeters.
The high-current dynamic control element is tested in a resistive load circuit, and related test data are as follows:
in the test, 3 groups of data are measured according to the load size, and the test result shows that the energy-saving device has a certain energy-saving effect, and the energy-saving rate of the resistive load is about 11%.
In summary, the intelligent dynamic current-voltage three-phase three-wire load controller can play a role in adjusting the current in a using circuit, avoid the influence of suddenly increased voltage and current on the service life of equipment, and effectively protect the safety of electric appliances. The invention has two main functions, namely electricity saving, about 11% for resistive load and about 13% for inductive load; secondly, protect the consumer, extension equipment life.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by a difference from other embodiments, and identical and similar parts between the embodiments are mutually referred.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described in general in the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the invention.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.

Claims (10)

1. An intelligent dynamic current-voltage three-phase three-wire load controller, characterized by comprising:
the controller comprises a controller input end (1) and a controller output end (6), wherein the controller input end (1) is arranged on a three-phase three-wire input side, and the controller output end (6) is arranged on a three-phase three-wire output side;
the power switch (2) is connected with the input end (1) of the controller;
the first dynamic control element (3), the second dynamic control element (4) and the third dynamic control element (5), wherein the first dynamic control element (3), the second dynamic control element (4) and the third dynamic control element (5) are respectively arranged on an A phase, a B phase and a C phase of three-phase three-wire and one end of the first dynamic control element is connected with the input end (1) of the controller;
the intelligent control device comprises a first current transformer (7), a second current transformer (8) and a third current transformer (9), wherein the first current transformer (7) is arranged between a first dynamic control element (3) and a controller output end (6), the second current transformer (8) is arranged between a second dynamic control element (4) and the controller output end (6), and the third current transformer (9) is arranged between the first dynamic control element (3) and the controller output end (6).
2. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
and a first power indicator lamp (10) connected between the A phase and the B phase on the outgoing line side of the power switch (2).
3. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
and a second power indicator lamp (11) connected between the B phase and the C phase on the outgoing line side of the power switch (2).
4. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
and a third power indicator lamp (12) connected between the A phase and the C phase on the outgoing line side of the power switch (2).
5. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
a first voltage detector (13) connected between the other end of the first dynamic control element (3) and the other end of the second dynamic control element (4).
6. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
and a fourth operation indicator lamp (14) connected between the other end of the first dynamic control element (3) and the other end of the second dynamic control element (4).
7. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
and a second voltage detector (15) connected between the other end of the first dynamic control element (3) and the other end of the third dynamic control element (5).
8. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
and a fifth working indicator lamp (16) which is connected between the other end of the first dynamic control element (3) and the other end of the third dynamic control element (5).
9. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
and a third voltage detector (17) connected between the other end of the second dynamic control element (4) and the other end of the third dynamic control element (5).
10. The intelligent dynamic current-voltage three-phase three-wire load controller of claim 1, further comprising:
and a sixth working indicator lamp (18) connected between the other end of the second dynamic control element (4) and the other end of the third dynamic control element (5).
CN202311510487.3A 2023-11-13 2023-11-13 Intelligent dynamic current-voltage three-phase three-wire load controller Pending CN117614240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311510487.3A CN117614240A (en) 2023-11-13 2023-11-13 Intelligent dynamic current-voltage three-phase three-wire load controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311510487.3A CN117614240A (en) 2023-11-13 2023-11-13 Intelligent dynamic current-voltage three-phase three-wire load controller

Publications (1)

Publication Number Publication Date
CN117614240A true CN117614240A (en) 2024-02-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311510487.3A Pending CN117614240A (en) 2023-11-13 2023-11-13 Intelligent dynamic current-voltage three-phase three-wire load controller

Country Status (1)

Country Link
CN (1) CN117614240A (en)

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