CN113839400A - Three-phase unbalanced load automatic regulating apparatus - Google Patents
Three-phase unbalanced load automatic regulating apparatus Download PDFInfo
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- CN113839400A CN113839400A CN202111272061.XA CN202111272061A CN113839400A CN 113839400 A CN113839400 A CN 113839400A CN 202111272061 A CN202111272061 A CN 202111272061A CN 113839400 A CN113839400 A CN 113839400A
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- 230000006872 improvement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for three-phase systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
- H02H3/207—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage also responsive to under-voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
- H02H3/253—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage for multiphase applications, e.g. phase interruption
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/34—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
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Abstract
The invention discloses an automatic regulator for three-phase load unbalance, which is structurally provided with a body, a front door, a foot seat, an air vent and a top cover plate, wherein the front door is arranged in front of the body, the foot seat is fixedly connected to the bottom of the body, a current control button is rotated by a person to set rated current as required, a current mutual inductor is conveniently arranged under the control coordination of the current control button, the overcurrent action characteristic is adjusted to a protection value according to the set current, the current on a current variation device can transmit current information to an analysis controller through a current receiving end, the analysis controller analyzes and processes the current, a judger further judges whether a current system is in an unbalance state and calculates a conversion value of the required current when the current balance is achieved, the conversion value is transmitted to a phase failure chamber, the automatic regulator changes along with the current, and a gear-shifting regulator can select a reasonable leakage action protection gear according to the leakage current of an actual circuit, the open-phase chamber can be protected under the conditions of under-pressure and over-pressure.
Description
Technical Field
The invention belongs to the technical field of advanced reactive power compensation, and particularly relates to an automatic three-phase load unbalance adjusting device.
Background
The electric energy is an energy source taking electricity as power, consists of various voltages and power transmission and distribution lines, can perform power generation, power transmission, power distribution and the like, and electric power systems are mutually matched to form a power grid with large functions, so that the electric energy plays an extremely important role in life and production of people.
Based on the discovery of the inventor, the existing three-phase load unbalance automatic adjusting device has the following defects:
in a national power grid company and a low-voltage power distribution network system, a large number of single-phase, asymmetric, nonlinear and impact loads exist, a three-phase load system is randomly changed and cannot be found visually, the loads can cause three-phase imbalance of the power distribution system, the three-phase imbalance of the loads can cause imbalance of three-phase voltage and current of the power supply system, negative sequence voltage and negative sequence current of the power grid are caused, power supply quality is influenced, line loss is increased, and power supply reliability is reduced.
Therefore, it is necessary to provide an automatic three-phase load imbalance adjustment device.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic three-phase load unbalance adjusting device to solve the problems in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an unbalanced three-phase load automatic regulating apparatus, its structure is equipped with body, qianmen, footstock, vent, lamina tecti, the qianmen is established in body the place ahead, footstock fixed connection is in the body bottom, the vent just link up mutually with qianmen formula structure as an organic whole, the lamina tecti inlays solid the installation at the body top.
The body is equipped with framework, protection device, phase modulation device, specific motor, supporting seat, inner room, the qianmen is established in inner room the place ahead, footstand fixed connection is in the framework bottom, the lamina tecti inlays the solid installation at the body top, the inner room is located the framework inboard, the protection device lower extreme is connected with the phase modulation device upper end, specific motor embedding is installed in the inner room, the fixed settling of supporting seat is in inner room inside bottom position department, phase modulation device, specific motor bottom inlay with the supporting seat respectively and are connected.
As a further improvement of the present invention, the protection device is provided with a wiring terminal, a current variation device and an open-phase protection device, the lower end of the open-phase protection device is connected with the upper end of the phase modulation device, the wiring terminal is connected above the current variation device, the open-phase protection device is positioned below the current variation device and matched with the current variation device, the wiring terminal is used as a load terminal through wiring with electric equipment, and the current variation device and the open-phase protection device are matched with each other to perform current amount variation and voltage control.
As a further improvement of the present invention, the current variation device is provided with a current terminal, a current mutual inductance frame, and a current control button, wherein the wiring terminal is connected above the current terminal, the open-phase protection device is located below the current mutual inductance frame and is movably matched with the current mutual inductance frame, the current mutual inductance frame is connected between the current terminals, the current control button and the current mutual inductance frame are integrated into a whole, the rated frequency of the current terminal is hertz, and the current control button can set the rated current as required during rotation.
As a further improvement of the present invention, the open-phase protection device comprises an open-phase chamber, a current receiving end, an analysis controller, a conversion output end, and a determination device, wherein the lower end of the open-phase chamber is connected to the upper end of the phase modulation device, the open-phase chamber is located below the current variation device and is matched with the current variation device, the open-phase chamber is embedded and installed in the open-phase protection device at a position to the left of the middle end, the current receiving end is connected to the upper end of the analysis controller, the conversion output end is connected to the lower end of the analysis controller, the determination device is disposed beside the analysis controller, the current receiving end can transmit current information to the analysis controller, and the analysis controller can analyze and process current.
As a further improvement of the invention, the phase failure chamber is provided with an automatic adjusting system, a stepping adjuster and a linking end, the lower end of the linking end is connected with the upper end of the phase adjusting device, the automatic adjusting system is positioned below the current changing device and is movably matched with the current changing device, the automatic adjusting system and the stepping adjuster are embedded and installed in the phase failure protection device, the lower end of the automatic adjusting system is connected with the linking end, the stepping adjuster is connected to the side end of the automatic adjusting system, the electric leakage breaking time of the automatic adjusting system is less than or equal to zero for two seconds, and the stepping adjuster is adjustable in stepping.
As a further improvement of the present invention, the phase modulation device is provided with a three-phase four-wire device, a voltage variation module and a current conversion module, the voltage variation module and the current conversion module are connected between the voltage variation modules and are matched, the three-phase four-wire device is located above the voltage variation module, the three-phase four-wire device is three hundred eighty volts of three-phase four-wire alternating current, the current conversion module is provided with three positions, and the phase change time of the three-phase four-wire device is less than or equal to ten milliseconds.
As a further improvement of the invention, the lower end of the open-phase protection device is connected with a three-phase four-wire device, the three-phase four-wire device is positioned below the current variation device and matched with the current variation device, and the three phases on the three-phase four-wire device are matched with the open-phase protection device.
As a further improvement of the invention, a surrounding plate frame is arranged outside the specific motor, the surrounding plate frame is embedded and fixedly arranged in the inner chamber, a certain distance is reserved between the surrounding plate frame and the periphery side of the phase modulation device, and a through hole is arranged on the surrounding plate frame.
As a further improvement of the present invention,
compared with the prior art, the invention has the following beneficial effects:
1. the current control button is rotated by personnel, rated current can be set as required, a current mutual inductor is convenient for adjusting a protection value according to the set current by the overcurrent action characteristic under the control coordination of the current control button, the current on the current variation device can transmit current information to the analysis controller through the current receiving end, the analysis controller analyzes and processes the current, the judging device further judges whether the current system is in an unbalanced state, calculates the conversion value of the required current when the current is balanced, transmits the current information to the phase failure chamber, the automatic regulating system changes along with the current, and the gear shifting regulator can select a reasonable leakage action protection gear according to the leakage current of an actual circuit so as to protect the phase failure chamber under the conditions of undervoltage and overvoltage.
2. The three-phase four-wire device is connected with the connecting end, the phase failure chamber is convenient to change, the three-phase four-wire device is changed, the voltage change module is enabled to change by the change of current and voltage of the phase failure chamber, the unbalanced current is transferred to the phase with small current from the phase with large current by the current conversion module, three-phase load distribution is adjusted, the phase change time of the three-phase load distribution is less than or equal to ten milliseconds, the equipment can reach a three-phase balance state by fast phase change, low-voltage line current can be effectively balanced, the problems of large unbalanced load phase current and high voltage drop are solved, and therefore terminal voltage is improved, and line loss is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an automatic three-phase load imbalance adjusting device according to the present invention.
Fig. 2 is a schematic view of an internal front view structure of a body according to the present invention.
Fig. 3 is a schematic view of an internal front view structure of a protection device according to the present invention.
Fig. 4 is a schematic diagram of an internal front view structure of a current varying device according to the present invention.
Fig. 5 is a schematic diagram of an internal front view structure of an open-phase protection device according to the present invention.
Fig. 6 is a schematic view of an interior front view structure of a phase-breaking chamber according to the present invention.
Fig. 7 is a schematic diagram of an internal front view structure of a phase modulation apparatus according to the present invention.
In the figure: the device comprises a body-1, a front door-2, a footstand-3, a vent-4, a top cover plate-5, a frame-11, a protection device-12, a phase modulation device-13, a specific motor-14, a support seat-15, an inner chamber-16, a terminal-121, a current variation device-122, an open-phase protection device-123, a current terminal-a 1, a current mutual inductance frame-a 2, a current control button-a 3, an open-phase chamber-c 1, a current receiving end-c 2, an analysis controller-c 3, a conversion output end-c 4, a judger-c 5, an automatic regulating system-c 11, a stepping regulator-c 12, an engagement end-c 13, a three-phase four-wire device-131, a voltage variation module-132 and a current conversion module-133.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 6:
the invention provides a three-phase load unbalance automatic adjusting device which is structurally provided with a body 1, a front door 2, a foot seat 3, a ventilation opening 4 and a top cover plate 5, wherein the front door 2 is arranged in front of the body 1, the foot seat 3 is fixedly connected to the bottom of the body 1, the ventilation opening 4 and the front door 2 are of an integrated structure and are communicated, and the top cover plate 5 is fixedly installed at the top of the body 1.
The body 1 is equipped with framework 11, protection device 12, phase modulation device 13, specific motor 14, supporting seat 15, inner room 16, qianmen 2 establishes in the front of inner room 16, footstand 3 fixed connection is in framework 11 bottom, 5 embedded solid installations are at the body 1 top in the top apron, inner room 16 is located framework 11 inboardly, protection device 12 lower extreme is connected with phase modulation device 13 upper end, specific motor 14 embedded installation is in inner room 16, supporting seat 15 is fixed to be settled in the inside bottom position department of inner room 16, phase modulation device 13, specific motor 14 bottom are connected with supporting seat 15 embedded solid respectively.
The protection device 12 is provided with a terminal 121, a current variation device 122 and an open-phase protection device 123, the lower end of the open-phase protection device 123 is connected with the upper end of the phase modulation device 13, the terminal 121 is connected above the current variation device 122, the open-phase protection device 123 is located below the current variation device 122 and matched with the current variation device, the terminal 121 serves as a load end through wiring with electric equipment, the current variation device 122 and the open-phase protection device 123 are matched with each other to carry out current variation and voltage control, and the terminal 121 can provide electric energy output for an electric user under the matching of the current variation device 122 and the open-phase protection device 123 and can avoid the possibility of equipment burnout.
The current variation device 122 is provided with a current terminal a1, a current mutual inductance frame a2 and a current control button a3, the terminal 121 is connected above the current terminal a1, the open-phase protection device 123 is located below the current mutual inductance frame a2 and is movably matched with the current mutual inductance frame a2, the current mutual inductance frame a2 is connected between the current terminals a1, the current control button a3 and the current mutual inductance frame a2 are of an integrated structure, the rated frequency of the current terminal a1 is 50 Hz, the current control button a3 can set the rated current as required in rotation, and the current mutual inductance frame a2 enables the overcurrent operation characteristic to adjust the protection value as the set current under the control matching of the current control button a 3.
Wherein, the phase failure protection device 123 is provided with a phase failure chamber c1, a current receiving end c2, an analysis controller c3, a conversion output end c4 and a judger c5, the lower end of the phase failure chamber c1 is connected with the upper end of the phase modulation device 13, the phase failure chamber c1 is located below the current variation device 122 and is matched with the phase failure chamber c1 embedded in the phase failure protection device 123, the current receiving end c2 is connected with the upper end of the analysis controller c3, the conversion output end 387c 4 is connected with the lower end of the analysis controller c3, the judger c5 is arranged beside the analysis controller c3, the current receiving end c2 can transmit current information to the analysis controller c3, the analysis controller c3 can analyze and process current, the judger c5 can be matched with the analysis controller c3 to judge whether the current system is in an unbalanced state and calculate current balance, the analysis controller c3 varies the current according to the judgment of the judger c5, and transmits the current to the open-phase chamber c1 through the conversion output terminal c4, so that the open-phase chamber c1 can play a protection role.
The phase failure chamber c1 is provided with an automatic adjusting system c11, a stepping regulator c12 and a linking end c13, the lower end of the linking end c13 is connected with the upper end of the phase adjusting device 13, the automatic adjusting system c11 is located below the current varying device 122 and is movably matched with the phase failure device, the automatic adjusting system c11 and the stepping regulator c12 are embedded in the phase failure protection device 123, the lower end of the automatic adjusting system c11 is connected with the linking end c13, the stepping regulator c12 is connected to the side end of the automatic adjusting system c11, the breaking time of electric leakage of the automatic adjusting system c11 is less than or equal to 0.2 second, the stepping regulator c12 is adjustable, the automatic adjusting system c11 changes along with the current, and the stepping regulator c12 can select a reasonable leakage motion protection gear according to the leakage current of an actual line, so as to play a role in protection under the conditions of undervoltage and overvoltage.
The specific use mode and function of the embodiment are as follows: the main body 1 provides power for the user by inserting the wire connector and the terminal 121, the circuit systems in the inner chamber 16 operate and cooperate with each other to enable the power grid to work normally, in the process of using power, the terminal 121 can provide power output to the user by the cooperation of the current variation device 122 and the phase failure protection device 123, a person rotates the current control button a3 to set the rated current as required, so that the current mutual inductance frame a2 can adjust the protection value according to the set current under the control cooperation of the current control button a3, the current variation device 122 can perform current variation and further cooperate with the phase failure protection device 123, the current information can be transmitted to the analysis controller c3 by the current receiving end c2, the analysis controller c3 performs current analysis and processing, the judger c5 further judges whether the current system is in an unbalanced state, when the current balance is achieved, the conversion value of the required current is calculated, then the required current is conducted to the phase failure chamber c1 through the conversion output end c4, the automatic regulating system c11 changes along with the current, and the stepping regulator c12 can select a reasonable leakage action protection gear according to the leakage current of an actual circuit, so that the phase failure chamber c1 can play a role in protection under the conditions of undervoltage and overvoltage.
Example 2:
as shown in fig. 7:
the phase modulation device 13 is provided with a three-phase four-wire device 131, a voltage variation module 132 and a current conversion module 133, the voltage variation module 132 and the current conversion module 133 are connected between the voltage variation module 132 and are matched, the three-phase four-wire device 131 is located above the voltage variation module 132, the three-phase four-wire device 131 is three hundred eighty volts of three-phase four-wire alternating current, the current conversion module 133 is provided with three positions, the phase change time of the three-phase four-wire device 131 is less than or equal to ten milliseconds, and the three-phase four-wire device 131 is connected with a connection end c13, so that the unbalanced current is transferred from a phase with large current to a phase with small current by the current conversion module 133 in the phase modulation device 13, and the three-phase four-wire device 131 can conveniently reach a three-phase balance state.
The lower end of the open-phase protection device 123 is connected with a three-phase four-wire device 131, the three-phase four-wire device 131 is located below the current variation device 122 and is matched with the open-phase protection device 123, three phases on the three-phase four-wire device 131 are matched with the open-phase protection device 123, the three-phase four-wire device 131 is connected with the open-phase protection device 123, and then the open-phase protection device 123 is matched with the current variation device 122, so that the phase modulation device 13 can achieve three-phase balance in time.
Wherein, specific motor 14 is equipped with the bounding wall frame outward, the bounding wall frame is embedded solid and is installed in interior 16, the bounding wall frame has a certain interval with phase modulation device 13 periphery side, the through hole has been erect to the bounding wall, the through mouthful structure of being equipped with of bounding wall frame, the heat energy that specific motor 14 of being convenient for produced dispels the heat, has specific motor protect function.
The specific use mode and function of the embodiment are as follows: the three-phase four-wire device 131 is connected with the connection end c13, so that the phase failure chamber c1 is convenient to change the three-phase four-wire device 131, the voltage change module 132 is changed by the change of current and voltage of the phase failure chamber c1, unbalanced current is transferred from a phase with large current to a phase with small current by the current conversion module 133, three-phase load distribution is adjusted, the phase change time is less than or equal to ten milliseconds, the equipment can reach a three-phase balance state by fast phase change, low-voltage line current can be effectively balanced, the problems of large unbalanced load phase current and high voltage drop are solved, terminal voltage is improved, and line loss is reduced.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (8)
1. The utility model provides an unbalanced three-phase load automatic regulating apparatus, its structure is equipped with body (1), qianmen (2), footstand (3), vent (4), lamina tecti (5), body (1) the place ahead is established in qianmen (2), footstand (3) fixed connection is in body (1) bottom, vent (4) and qianmen (2) structure as an organic whole and link up mutually, lamina tecti (5) inlay solid and install at body (1) top, its characterized in that:
body (1) is equipped with framework (11), protection device (12), phase modulation device (13), specific motor (14), supporting seat (15), inner chamber (16), establish in inner chamber (16) the place ahead qianmen (2), footstand (3) fixed connection is in framework (11) bottom, roof plate (5) are inlayed and are installed at body (1) top, inner chamber (16) are located framework (11) inboard, protection device (12) lower extreme is connected with phase modulation device (13) upper end, specific motor (14) embedding is installed in inner chamber (16), supporting seat (15) are fixed to be settled in the inside bottom end position department of inner chamber (16), phase modulation device (13), specific motor (14) bottom are inlayed with supporting seat (15) respectively and are connected.
2. The automatic three-phase load unbalance adjustment device according to claim 1, wherein: the protection device (12) is provided with a terminal (121), a current variation device (122) and an open-phase protection device (123), the lower end of the open-phase protection device (123) is connected with the upper end of the phase modulation device (13), the terminal (121) is connected above the current variation device (122), and the open-phase protection device (123) is located below the current variation device (122) and matched with the current variation device.
3. The automatic three-phase load unbalance adjustment device according to claim 2, wherein: the current variation device (122) is provided with a current terminal (a1), a current mutual inductance frame (a2) and a current control button (a3), the terminal (121) is connected above the current terminal (a1), the open-phase protection device (123) is located below the current mutual inductance frame (a2) and is in movable fit, the current mutual inductance frame (a2) is connected between the current terminals (a1), and the current control button (a3) and the current mutual inductance frame (a2) are of an integrated structure.
4. The automatic three-phase load unbalance adjustment device according to claim 2, wherein: phase failure protection device (123) are equipped with phase failure room (c1), current receiving terminal (c2), analysis controller (c3), conversion output (c4), judger (c5), phase failure room (c1) lower extreme is connected with phase adjusting device (13) upper end, phase failure room (c1) is located current change device (122) below and cooperatees, phase failure room (c1) embedding is installed at the inside middle-end off-left position department of phase failure protection device (123), current receiving terminal (c2) is connected with analysis controller (c3) on the upper end, conversion output (c4) is connected with analysis controller (c3) on the lower end, judger (c5) is established at analysis controller (c3) side.
5. The automatic three-phase load unbalance adjustment device according to claim 4, wherein: the phase failure chamber (c1) is provided with an automatic adjusting system (c11), a gear shifting regulator (c12) and a connecting end (c13), the lower end of the connecting end (c13) is connected with the upper end of the phase adjusting device (13), the automatic adjusting system (c11) is located below the current changing device (122) and is movably matched with the current changing device, the automatic adjusting system (c11) and the gear shifting regulator (c12) are embedded in the phase failure protection device (123), the lower end of the automatic adjusting system (c11) is connected with the connecting end (c13), and the gear shifting regulator (c12) is connected to the side end of the automatic adjusting system (c 11).
6. The automatic three-phase load unbalance adjustment device according to claim 1, wherein: phase modulation device (13) are equipped with three-phase four-wire device (131), voltage change module (132), current conversion module (133), voltage change module (132) and current conversion module (133) are connected between voltage change module (132) and cooperate, three-phase four-wire device (131) are located voltage change module (132) top.
7. The automatic three-phase load unbalance adjustment device according to claim 1, wherein: the lower end of the open-phase protection device (123) is connected with a three-phase four-wire device (131), and the three-phase four-wire device (131) is located below the current variation device (122) and matched with the current variation device.
8. The automatic three-phase load unbalance adjustment device according to claim 1, wherein: the special motor (14) is equipped with the bounding wall frame outward, the bounding wall frame is inlayed and is installed in inner room (16), the bounding wall frame has certain interval with phase modulation device (13) periphery side, the opening is erect to the bounding wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111272061.XA CN113839400B (en) | 2021-10-29 | 2021-10-29 | Automatic three-phase load unbalance adjusting device |
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| CN202111272061.XA CN113839400B (en) | 2021-10-29 | 2021-10-29 | Automatic three-phase load unbalance adjusting device |
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| CN113839400A true CN113839400A (en) | 2021-12-24 |
| CN113839400B CN113839400B (en) | 2024-04-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205407279U (en) * | 2016-02-24 | 2016-07-27 | 河南恒瑞电力设备有限公司 | Three -phase unbalanced load automatic regulating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205407279U (en) * | 2016-02-24 | 2016-07-27 | 河南恒瑞电力设备有限公司 | Three -phase unbalanced load automatic regulating apparatus |
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