CN116054380A - Intelligent power supply control device - Google Patents
Intelligent power supply control device Download PDFInfo
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- CN116054380A CN116054380A CN202310344542.XA CN202310344542A CN116054380A CN 116054380 A CN116054380 A CN 116054380A CN 202310344542 A CN202310344542 A CN 202310344542A CN 116054380 A CN116054380 A CN 116054380A
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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Abstract
The invention discloses an intelligent power supply control device, which belongs to the technical field of power supply control, and specifically comprises the following steps: comprising the following steps: the battery pack module is electrically connected with the electric appliance and comprises a battery pack unit and a battery pack management unit; the power supply adapting module is respectively and electrically connected with the alternating current power supply, the electric appliance and the battery pack module; the uninterrupted power supply module is respectively and electrically connected with the alternating current power supply, the electric appliance and the battery pack module; the battery pack unit discharges the electric appliance and the uninterrupted power supply module at the same time under the control of the battery pack management unit, and receives the electric energy transmitted by the power supply adapting module to charge. The intelligent power supply control device provided by the invention can take the battery pack module as a power supply when unexpected power failure occurs, and selectively provide direct current and alternating current for the electrical equipment, so as to meet the requirements of the electrical equipment on different voltage types, and avoid the situation that the important functions of the electrical equipment cannot be started, so that potential safety hazards appear in the equipment.
Description
Technical Field
The invention belongs to the technical field of power control, and particularly relates to an intelligent power control device.
Background
With the increasing functions of electrical equipment and the increasing demands of equipment safety, the same equipment has different power supplies for respectively supplying power so as to avoid the influence of voltage types on the equipment. Under normal conditions, alternating current can be directly supplied to equipment through commercial power, and the alternating current can also be supplied to the equipment through converting the commercial power into direct current, so that the requirements of the electrical equipment on different voltage types are met. However, when power is cut unexpectedly, it is difficult to meet the requirements of the device for different voltage types at the same time, so that part of functions of the device cannot be started, and even the safety of the whole device is threatened in serious cases.
Disclosure of Invention
The invention provides an intelligent power supply control device which can selectively provide direct current and/or alternating current for equipment when unexpected power failure occurs, so as to meet the requirements of the equipment for different voltage types and avoid the situation that important functions of the equipment cannot be started to cause potential safety hazards of the equipment.
The invention is realized by the following technical scheme:
the invention provides an intelligent power supply control device, which comprises: the battery pack module is electrically connected with the electric appliance and comprises a battery pack unit and a battery pack management unit; the power supply adapting module is respectively and electrically connected with the alternating current power supply, the electric appliance and the battery pack module; the uninterrupted power supply module is respectively and electrically connected with the alternating current power supply, the electric appliance and the battery pack module; the battery pack unit discharges the electric appliance and the uninterrupted power supply module at the same time under the control of the battery pack management unit, and receives the electric energy transmitted by the power supply adapting module to charge.
In some of these embodiments, the circuitry of the uninterruptible power supply module includes: a modulation circuit configured to output a PWM signal; the first branch comprises a first end and a second end, a capacitor is arranged between the first end and the second end, and the first end of the first branch is electrically connected with the output end of the uninterruptible power supply module circuit; the second branch comprises a triode V1, a triode V2, a diode VD1 and a diode VD2; a third branch including a triode V3, a triode V4, a diode VD3 and a diode VD4; a fourth branch circuit comprising a triode V5, a triode V6, a diode VD5 and a diode VD6; the first branch, the second branch, the third branch and the fourth branch are mutually connected in parallel; the base electrodes of the triodes V1, V2, V3, V4, V5 and V6 are respectively and electrically connected with the output end of the modulation circuit; the collectors of the triodes V1, V3 and V5 are respectively and electrically connected with the first end of the first branch circuit; the emitters of the triodes V1, V3 and V5 are electrically connected with a load circuit; the output ends of the diodes VD1, VD3 and VD5 are respectively and electrically connected with the first end of the first branch, the input end of the diode VD1 is electrically connected with the emitter of the triode V1, the input end of the diode VD3 is electrically connected with the emitter of the triode V3, and the input end of the diode VD5 is electrically connected with the emitter of the triode V5; the emitters of the triodes V2, V4 and V6 are respectively and electrically connected with the second end of the first branch; the collector of the triode V2 is electrically connected with the emitter of the triode V1, the collector of the triode V4 is electrically connected with the emitter of the triode V3, and the collector of the triode V6 is electrically connected with the emitter of the triode V5; the input end of the diode VD2 is electrically connected with the emitter of the triode V2, and the output end of the diode VD2 is electrically connected with the collector of the triode V2; the input end of the diode VD4 is electrically connected with the emitter of the triode V4, and the output end of the diode VD4 is electrically connected with the collector of the triode V4; the input end of the diode VD6 is electrically connected with the emitter of the triode V6, and the output end of the diode VD6 is electrically connected with the collector of the triode V6.
In some of these embodiments, the load circuit comprises: the first load branch comprises a first resistor and a first inductor which are connected in series, and the first resistor is electrically connected with the emitter of the triode V1; the second load branch comprises a second resistor and a second inductor which are connected in series, and the second resistor is electrically connected with the emitter of the triode V3; the third load branch comprises a third resistor and a third inductor which are connected in series, and the third resistor is electrically connected with the emitter of the triode V5; the first inductor, the second inductor and the third inductor are electrically connected with each other.
In some of themIn an embodiment, a modulation circuit includes: the sampling module is configured to acquire phase current, phase voltage, bus voltage and reference voltage of the main circuit; a first processing module configured to obtain current components Id and Iq of the main circuit phase current in d-axis and q-axis according to the phase current of the main circuit; the control module is connected with the first processing module and is configured to obtain current output values IdOut and IqOut according to the current components Id, iq, the bus voltage and the reference voltage; the second processing module is configured to obtain phase angle information theta of the qd coordinate system and voltage components Vd and Vq under the qd coordinate system according to the phase voltage of the main circuit; a third processing module comprising an iPack transform unit configured to derive a 90 ° rest from the current output values IdOut, iqOut, the phase angle information θ of the voltage components Vd, vq and dq axes
Control command in coordinate System ∈ ->
And->
The method comprises the steps of carrying out a first treatment on the surface of the A PWM module connected with the iPark conversion unit and configured to stop according to 90 DEG +.>
Control command in coordinate System ∈ ->
And->
And obtaining a control signal.
In some embodiments, the first processing module includes a first Park conversion unit, where the first Park conversion unit is electrically connected to the sampling module, and the first Park conversion unit processes the phase current of the main circuit to obtain current components Id and Iq in d-axis and q-axis.
In some embodiments, the control module includes a D-axis current loop controller and a Q-axis current loop controller, the D-axis current loop controller being connected to the first processing module and configured to obtain a current output value IdOut based on the current component Id; the Q-axis current loop controller is coupled to the first processing module and configured to derive a current output value IqOut from the current component Iq.
In some of these embodiments, the second processing module comprises: clark conversion unit connected with the sampling module and configured to obtain phase voltage under 90 ° static coordinate system according to phase voltage of the main circuit
And->
The method comprises the steps of carrying out a first treatment on the surface of the A second Park conversion unit connected to the Clark conversion unit and configured to generate a phase voltage according to the 90 DEG stationary coordinate system>
、/>
And the phase angle information theta of the qd coordinate system to obtain voltage components Vd and Vq in the qd coordinate system.
In some of these embodiments, the modulated wave signal of the ups module is:
wherein, the liquid crystal display device comprises a liquid crystal display device,
for modulating wave signals>
Is triangle wave amplitude>
Is the sine wave amplitude; />
Sinusoidal modulation signal frequency, < >>
Is time.
Compared with the prior art, the invention has the following advantages:
the intelligent power supply control device provided by the invention can take the battery pack module as a power supply when unexpected power failure occurs, and selectively provide direct current and alternating current for the electrical equipment, so as to meet the requirements of the electrical equipment on different voltage types, and avoid the situation that the important functions of the electrical equipment cannot be started, so that potential safety hazards appear in the equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an intelligent power control device according to some embodiments of the present invention;
FIG. 2 is a schematic circuit diagram of an uninterruptible power supply module according to other embodiments of the present invention;
fig. 3 is a schematic circuit diagram of a modulation circuit according to some embodiments of the present invention.
Reference numerals:
10. a sampling module; 201. a first Park conversion unit; 30. a control module; 301. a D-axis current loop controller; 302. a Q-axis current loop controller; 303. a DC voltage controller; 40. a second processing module; 401. a Clark conversion unit; 402. a second Park conversion unit; 403. a phase-locked loop unit; 501. an iPark conversion unit; 502. an adder; 60. and a PWM module.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are used to indicate orientations or positional relationships based on those shown in the drawings, or those that are conventionally put in use in the product of the present invention, they are merely used to facilitate description of the present invention and simplify description, and do not indicate or imply that the apparatus 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 "horizontal," "vertical," and the like in the description of the present invention, if any, do not denote absolute levels or overhangs, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should 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 will be understood in specific cases by those of ordinary skill in the art.
The terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to only those steps or modules but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment provides an intelligent power control device, please refer to fig. 1, which comprises a battery module, a power adapting module and an uninterruptible power module, wherein the battery module, the power adapting module and the uninterruptible power module are used for connecting commercial power and electric appliances, and the commercial power comprises 220V alternating current commercial power and 380V alternating current industrial power. Wherein the battery module comprises a battery unit and a battery management unit, the battery unit comprising at least one electrical energy storage, illustratively comprising at least one battery; the battery pack management unit controls the battery pack unit to realize the charge and discharge of the battery pack unit, and the battery pack management unit can control the battery pack unit by adopting the prior art. Specifically, when discharging, the battery pack management unit can control the battery pack unit to discharge to the electric appliance or the uninterruptible power supply module, and also can control the battery pack unit to control the electric appliance and the uninterruptible power supply module simultaneously. When the battery pack is charged, the battery pack management unit can control the battery pack unit to receive the electric energy transmitted by the power supply adaptation module for charging. The power supply adaptation module is respectively and electrically connected with an alternating current power supply (commercial power), an electric appliance and the battery pack module, and when the power supply adaptation module works, alternating current output by the alternating current power supply is converted into direct current to supply power to at least part of equipment of the electric appliance, and/or the battery pack module is charged, and at the moment, the battery pack module does not discharge. The uninterrupted power supply module is respectively and electrically connected with the alternating current power supply, the electric appliance and the battery pack module, and in a normal mode, the uninterrupted power supply stabilizes the alternating current output by the alternating current power supply and supplies the alternating current to the electric appliance for use so as to meet the requirement of the electric equipment on the alternating current; in the power-off mode, the uninterruptible power supply converts direct current emitted by the battery pack module into an alternating current section to supply power to at least part of equipment of the electric appliance.
In a specific example, when in the normal mode, the battery module inputs the direct current output by the power supply adaptation module to maintain the charging state, the power supply adaptation module converts the mains supply into the direct current to supply power to at least part of equipment (equipment requiring direct current input) of the electrical appliance, and the uninterruptible power supply module stabilizes the mains supply to supply power to at least part of equipment (equipment requiring alternating current input) of the electrical appliance. When the power is suddenly cut off, the battery pack module is changed into a discharging state from a charging state, one part of the battery pack module directly outputs direct current to the electric appliance, the direct current requirement of at least part of equipment is met, the other part of the battery pack module outputs direct current to the uninterruptible power supply module, and the uninterruptible power supply module converts the received direct current into an alternating current section and transmits the alternating current section to the electric appliance, and the alternating current requirement of at least part of equipment is met.
Through the arrangement, the battery pack module can be used as a power supply when power fails unexpectedly, and direct current and alternating current are selectively provided for the electrical equipment, so that the requirements of the electrical equipment on different voltage types are met, and the situation that important functions of the electrical equipment cannot be started to cause potential safety hazards of the equipment is avoided.
In some embodiments, referring to fig. 2, the circuit of the uninterruptible power supply module includes a modulation circuit, and a first branch, a second branch, a third branch, and a fourth branch connected in parallel. The modulation circuit is used for outputting a PWM signal to change the output of the switching regulated power supply, and in a specific example, any existing PWM modulator can be adopted by the modulation circuit. The first branch is provided with a capacitor, the first end and the tail end of the first branch are defined as a first end and a second end, and the first end is an output end of the uninterruptible power supply module circuit. The second branch is provided with a triode V1, a triode V2, a diode VD1 and a diode VD2; a third branch including a triode V3, a triode V4, a diode VD3 and a diode VD4; and the fourth branch comprises a triode V5, a triode V6, a diode VD5 and a diode VD6.
The base electrodes of the triodes V1, V2, V3, V4, V5 and V6 are respectively and electrically connected with the output end of the modulation circuit on the second branch, the third branch and the fourth branch; the collectors of the triodes V1, V3 and V5 are respectively and electrically connected with the first end of the first branch circuit; the emitters of the triodes V1, V3 and V5 are electrically connected with a load circuit; the output ends of the diodes VD1, VD3 and VD5 are respectively and electrically connected with the first end of the first branch, the input end of the diode VD1 is electrically connected with the emitter of the triode V1, the input end of the diode VD3 is electrically connected with the emitter of the triode V3, and the input end of the diode VD5 is electrically connected with the emitter of the triode V5; the emitters of the triodes V2, V4 and V6 are respectively and electrically connected with the second end of the first branch; the collector of triode V2 is electrically connected with the emitter of triode V1, the collector of triode V4 is electrically connected with the emitter of triode V3, and the collector of triode V6 is electrically connected with the emitter of triode V5.
The input end of the diode VD2 is electrically connected with the emitter of the triode V2, and the output end of the diode VD2 is electrically connected with the collector of the triode V2; the input end of the diode VD4 is electrically connected with the emitter of the triode V4, and the output end of the diode VD4 is electrically connected with the collector of the triode V4; the input end of the diode VD6 is electrically connected with the emitter of the triode V6, and the output end of the diode VD6 is electrically connected with the collector of the triode V6.
Through the arrangement of the embodiment, the working process of the uninterruptible power supply module can be effectively realized.
In some of these embodiments, still referring to fig. 2, the load circuit includes a first load leg, a second load leg, and a third load leg. The first load branch circuit comprises a first resistor and a first inductor which are connected in series, and the first resistor is electrically connected with an emitter of the triode V1. The second load comprises a second resistor and a second inductor which are connected in series, and the second resistor is electrically connected with the emitter of the triode V3. The third load comprises a third resistor and a third inductor which are connected in series, and the third resistor is electrically connected with the emitter of the triode V5. The first inductor, the second inductor and the third inductor are electrically connected with each other so as to realize a load function in the uninterruptible power supply module circuit.
In other embodiments, the load circuit may also employ a load, such as a load resistor, a load inductance, etc., connected in parallel with the first branch, the second branch, and the third branch, respectively.
In some of these embodiments, referring to fig. 3, the modulation circuit includes a sampling module 10, a first processing module, a control module 30, a second processing module 40, a third processing module, and a PWM module 60. The sampling module 10 is used for acquiring phase currents Ia and Ib, phase voltages Va and Vb, bus voltage Vdc and reference voltage VRef of the main circuit. The obtained phase current is at least two phase currents of the main circuit, and in a specific example, when two phase currents are obtained, a third phase current can be directly calculated, and when two phase currents are obtained,any two phases of the main circuit three-phase current, defined as Ia and Ib, may be used. The obtained phase voltage is at least two phase voltages of the main circuit, in a specific example, when two phase voltages are obtained, the third phase voltage can be directly calculated, and when two phase voltages are obtained, any two phases of the three phase voltages of the main circuit can be defined as Va and Vb. The first processing module is used for obtaining current components Id and Iq of the phase current of the main circuit in d axis and q axis according to the phase currents Ia and Ib of the main circuit. The control module 30 is configured to obtain current output values IdOut and IqOut according to the current components Id and Iq output by the first processing module, the bus voltage Vdc and the reference voltage VRef. The second processing module 40 is configured to obtain phase angle information θ of the qd coordinate system and voltage components Vd and Vq in the qd coordinate system according to the phase voltage of the main circuit. The third processing module comprises an iPark conversion unit 501, the iPark conversion unit 501 being configured to derive a 90 ° rest from the current output values IdOut, iqOut, the phase angle information θ of the voltage components Vd, vq and dq axes
Control command in coordinate System ∈ ->
And->
. In a specific example, the third processing module 50 further comprises an adder 502, the adder 502 being connected to the controller and the second Park conversion unit 402, respectively, and configured to derive the direct current control instructions Wd and Wq from the current output values IdOut, iqOut, and the voltage components Vd and Vq; the iPark conversion unit 501 is connected to the adder 502 and is configured to obtain ∈k according to the phase angle information θ of the dc control commands Wd, wq, and dq axes>
Control command in coordinate System ∈ ->
And->
. The PWM module 60 is used for resting +.>
Control command in coordinate System ∈ ->
And->
And obtaining a control signal. The output control signals comprise 6, and the 6 control signals are respectively and electrically connected with bases of the triodes V1, V2, V3, V4, V5 and V6 for realizing the change of the output of the switching regulated power supply.
In some embodiments, referring still to fig. 3, the first processing module includes a first Park conversion unit 201, where the first Park conversion unit 201 is electrically connected to the sampling module 10, and the first Park conversion unit 201 processes the phase current of the main circuit to obtain current components Id and Iq in d-axis and q-axis. And converting the three-phase voltage vector synchronous rotation dq coordinate system into two direct current component Id and Iq information through Park conversion, wherein the phase angle information theta can adopt a preset value.
In some of these embodiments, still referring to fig. 3, the control module 30 includes a D-axis current loop controller 301 and a Q-axis current loop controller 302, the D-axis current loop controller 301 being connected to the first processing module and configured to obtain a current output value IdOut based on the current component Id; the Q-axis current loop controller 302 is coupled to the first processing module and is configured to derive a current output value IqOut from the current component Iq. The D-axis current loop controller 301 and the Q-axis current loop controller 302 may both be implemented using the prior art.
In some of these embodiments, still referring to FIG. 3, the second processing module 40 includes a Clark conversion unit 401 and a second Park conversion unit 402. Wherein the Clark conversion unit 401 is connected with the sampling module 10 and is configured to obtain the phase voltage under the 90 DEG stationary coordinate system according to the phase voltage of the main circuit
And->
. The second Park converting unit 402 is connected to the Clark converting unit 401 and is configured to generate a phase voltage according to the 90 ° stationary coordinate system>
、/>
And the phase angle information theta of the qd coordinate system to obtain voltage components Vd and Vq in the qd coordinate system.
In some of these embodiments, the modulated wave signal of the ups module is:
wherein, the liquid crystal display device comprises a liquid crystal display device,
for modulating wave signals>
Is triangle wave amplitude>
Is the sine wave amplitude; />
Sinusoidal modulation signal frequency, < >>
Is time.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.
Claims (8)
1. An intelligent power control device, characterized by comprising:
the battery pack module is electrically connected with the electric appliance and comprises a battery pack unit and a battery pack management unit;
the power supply adapting module is respectively and electrically connected with the alternating current power supply, the electric appliance and the battery pack module;
the uninterrupted power supply module is respectively and electrically connected with the alternating current power supply, the electric appliance and the battery pack module;
the battery pack unit discharges the electric appliance and the uninterruptible power supply module at the same time under the control of the battery pack management unit, and receives the electric energy transmitted by the power supply adaptation module to charge.
2. The intelligent power control apparatus of claim 1, wherein the circuitry of the uninterruptible power supply module comprises:
a modulation circuit configured to output a PWM signal;
the first branch comprises a first end and a second end, a capacitor is arranged between the first end and the second end, and the first end of the first branch is electrically connected with the output end of the uninterruptible power supply module circuit;
the second branch comprises a triode V1, a triode V2, a diode VD1 and a diode VD2;
a third branch including a triode V3, a triode V4, a diode VD3 and a diode VD4;
a fourth branch circuit comprising a triode V5, a triode V6, a diode VD5 and a diode VD6;
the first branch, the second branch, the third branch and the fourth branch are mutually connected in parallel;
the base electrodes of the triodes V1, V2, V3, V4, V5 and V6 are respectively and electrically connected with the output end of the modulation circuit; the collectors of the triodes V1, V3 and V5 are respectively and electrically connected with the first end of the first branch circuit; the emitters of the triodes V1, V3 and V5 are electrically connected with a load circuit; the output ends of the diodes VD1, VD3 and VD5 are respectively and electrically connected with the first end of the first branch, the input end of the diode VD1 is electrically connected with the emitter of the triode V1, the input end of the diode VD3 is electrically connected with the emitter of the triode V3, and the input end of the diode VD5 is electrically connected with the emitter of the triode V5; the emitters of the triodes V2, V4 and V6 are respectively and electrically connected with the second end of the first branch; the collector of the triode V2 is electrically connected with the emitter of the triode V1, the collector of the triode V4 is electrically connected with the emitter of the triode V3, and the collector of the triode V6 is electrically connected with the emitter of the triode V5;
the input end of the diode VD2 is electrically connected with the emitter of the triode V2, and the output end of the diode VD2 is electrically connected with the collector of the triode V2; the input end of the diode VD4 is electrically connected with the emitter of the triode V4, and the output end of the diode VD4 is electrically connected with the collector of the triode V4; the input end of the diode VD6 is electrically connected with the emitter of the triode V6, and the output end of the diode VD6 is electrically connected with the collector of the triode V6.
3. The intelligent power control apparatus according to claim 2, wherein the load circuit includes:
the first load branch comprises a first resistor and a first inductor which are connected in series, and the first resistor is electrically connected with the emitter of the triode V1;
the second load branch comprises a second resistor and a second inductor which are connected in series, and the second resistor is electrically connected with the emitter of the triode V3;
the third load branch comprises a third resistor and a third inductor which are connected in series, and the third resistor is electrically connected with the emitter of the triode V5;
the first inductor, the second inductor and the third inductor are electrically connected with each other.
4. The intelligent power control apparatus according to claim 2, wherein the modulation circuit includes:
a sampling module configured to obtain a phase current, a phase voltage, a bus voltage, and a reference voltage of a main circuit;
a first processing module configured to obtain current components Id and Iq of the main circuit phase current in d-axis and q-axis according to the phase current of the main circuit;
the control module is connected with the first processing module and is configured to obtain current output values IdOut and IqOut according to the current components Id, iq, the bus voltage and the reference voltage;
the second processing module is configured to obtain phase angle information theta of the qd coordinate system and voltage components Vd and Vq under the qd coordinate system according to the phase voltage of the main circuit;
a third processing module comprising an iPack transform unit configured to derive a 90 ° rest from the current output values IdOut, iqOut, the phase angle information θ of the voltage components Vd, vq and dq axes
Control instructions in a coordinate system
And->
；
A PWM module connected with the iPark conversion unit and configured to be stationary according to 90 DEG
Control instructions in a coordinate system
And->
And obtaining a control signal.
5. The intelligent power control apparatus of claim 4, wherein the first processing module comprises a first Park conversion unit, the first Park conversion unit is electrically connected with the sampling module, and the first Park conversion unit processes the phase current of the main circuit to obtain current components Id and Iq in d-axis and q-axis.
6. The intelligent power control device according to claim 4 or 5, wherein the control module comprises a D-axis current loop controller and a Q-axis current loop controller, the D-axis current loop controller being connected to the first processing module and configured to obtain a current output value IdOut from a current component Id; the Q-axis current loop controller is connected to the first processing module and configured to obtain a current output value IqOut according to the current component Iq.
7. The intelligent power control apparatus of claim 4, wherein the second processing module comprises:
the Clark conversion unit is connected with the sampling module and is configured to obtain the phase voltage under the 90-degree static coordinate system according to the phase voltage of the main circuit
And->
；
A second Park conversion unit connected to the Clark conversion unit and configured to generate a phase voltage according to the 90 DEG stationary coordinate system
、/>
And the phase angle information theta of the qd coordinate system to obtain voltage components Vd and Vq in the qd coordinate system.
8. The intelligent power control apparatus of claim 1, wherein the modulated wave signal of the uninterruptible power supply module is:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310344542.XA CN116054380A (en) | 2023-04-03 | 2023-04-03 | Intelligent power supply control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310344542.XA CN116054380A (en) | 2023-04-03 | 2023-04-03 | Intelligent power supply control device |
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| CN201328021Y (en) * | 2008-08-14 | 2009-10-14 | 青岛经济技术开发区创统科技发展有限公司 | AC/DC synthesized integrated screen |
| CN106374728A (en) * | 2016-11-16 | 2017-02-01 | 重庆雅讯电源技术有限公司 | AC-DC combined power system and power supply system |
| CN106787152A (en) * | 2017-02-17 | 2017-05-31 | 重庆盈浩通信科技有限公司 | Monitoring power distribution system and electric power system |
| CN218041204U (en) * | 2022-07-08 | 2022-12-13 | 广东万颗子智控科技有限公司 | Three-phase active control circuit and topological structure |
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| CN201328021Y (en) * | 2008-08-14 | 2009-10-14 | 青岛经济技术开发区创统科技发展有限公司 | AC/DC synthesized integrated screen |
| CN106374728A (en) * | 2016-11-16 | 2017-02-01 | 重庆雅讯电源技术有限公司 | AC-DC combined power system and power supply system |
| CN106787152A (en) * | 2017-02-17 | 2017-05-31 | 重庆盈浩通信科技有限公司 | Monitoring power distribution system and electric power system |
| CN218041204U (en) * | 2022-07-08 | 2022-12-13 | 广东万颗子智控科技有限公司 | Three-phase active control circuit and topological structure |
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