43 results about "Ac frequency" patented technology

Provided is a battery module and battery rack having enhanced fire safety features. The battery module includes a swelling / pressure sensor that detects swelling of a battery cell. An output signal of the sensor is used to halt operation of a battery rack / battery system containing the battery module and prevent charging and discharging of the battery module. In an embodiment, the battery module uses an AC-to-AC power supply to provide AC frequency power for balancing battery cells of the battery module. In an embodiment, the battery rack includes an internal water fire suppression system that provides battery cooling in the event of a battery cell fire to prevent the spread and / or reigniting of the fire.

This application provides a control method for an energy storage system, comprising: determining the state parameters corresponding to each individual battery cell; determining a multi-dimensional control factor corresponding to each individual battery cell based on different state dimensions indicated by the state parameters at preset calculation cycles; sorting multiple individual batteries cells according to the charge / discharge state of the energy storage system and the multi-dimensional control factor; determining the output demand voltage corresponding to the energy storage system based on the peak reference voltage and AC frequency corresponding to the energy storage system; and controlling the access state of each individual battery cell in the next AC cycle by applying the nearest level approximation method based on the sorting result, the output demand voltage, and the maximum supply voltage corresponding to each individual battery cell in the next AC cycle. This application controls the energy storage units connected to the charge / discharge circuit of the energy storage system and their access time through multi-dimensional control factors calculated from multiple dimensions, thereby achieving full utilization of the energy of the energy storage units.

The application discloses a kind of water pump AC frequency converter energy-saving optimization control system, it is related to water pump energy-saving control technical field;Including: database, identification perception module, operation optimization module and control feedback module.Database acquires water pump operating parameter, and based on this and calculates lift, water pump efficiency and load rate;Identification perception module is based on lift, water pump efficiency and load rate deviation analysis constructs fusion deviation curve, and based on this obtains judging index to analyze curve area, to identify inefficient operation scene;Operation optimization module determines target flow, target lift according to end water demand and pipe network pressure demand, and obtains target frequency in combination with water pump similarity law and efficiency, lift deviation correction;Control feedback module implements frequency conversion control according to target operating parameter, and real-time feedback and secondary correction are carried out to execution result, form closed-loop optimization control, improve energy efficiency identification ability under low load condition, reduce water pump operating energy consumption.

The utility model relates to electrical engineering and can be used to protect electromagnetic voltage transformers from ferroresonant oscillations occurring in voltage transformers in distribution networks with a voltage class of 6-10 kV, alternating current with a frequency of 50 Hz with an isolated neutral.In a device for protecting voltage transformers from ferroresonance phenomena, designed with the possibility of connecting to two terminals of auxiliary secondary windings of three single-phase transformers connected in an open-delta circuit, containing a series-connected RTS thermistor, a damping resistor and an electronic switching circuit with a threshold switching characteristic, which includes a switching element in the form of a triac, the control electrode of which is connected to a control circuit including a dinistor, two resistors and a capacitor, the control electrode of the triac is connected to the control circuit through a normally closed controlled key, the RTS thermistor is equipped with a temperature sensor connected to the controlled key, and the dinistor is selected to be symmetrical.Technical result: increasing the effective operating time of a device for protecting voltage transformers from ferroresonance phenomena in the presence of modes in the network accompanied by prolonged exposure to single-phase short circuits to ground by ensuring restoration of the original operating mode. 2 fig.

The invention discloses a servo system for a ship towing winch and a control method of the servo system. The servo system comprises a rectifying circuit, a three-phase full-bridge circuit, a braking circuit, a DSP control circuit, an output capacitor C, a brake control circuit and a rotary transformer decoding circuit. According to the servo driver, full electrification of releasing, recycling and zero-speed working condition maintaining of the ship winch is achieved, compared with a hydraulic driving device of a traditional winch, the defects that a hydraulic system is complex in structure, large in size and difficult to maintain are overcome, and an electric driving system is high in control precision, simpler to achieve and more convenient to operate. Compared with conventional alternating-current variable-frequency electric drive of an existing winch, servo drive is more suitable for the low-speed large-torque working condition, efficiency is higher, and cooperation of a PLC is not needed. Compared with a traditional speed loop and current loop control method, the control method for four-quadrant operation of the servo driver enables the winch to have an energy consumption braking function, and meanwhile the safety of the towing winch under the extreme working condition is guaranteed by being matched with a brake of the motor.

The invention discloses a frequency sensing and rapid supporting method for a wind power multi-terminal flexible direct current sending-out system. The method comprises the following steps that a fan side VSC control framework and a control framework and control rules of an alternating current power grid side flexible direct current converter station are constructed; an alternating-current power grid frequency-direct-current voltage-wind power plant power mapping model is constructed based on the characteristics of the converter station, and accurate sensing of the alternating-current frequency under the condition of no rapid communication is achieved; based on the mapping model, determining an improved frequency support strategy design scheme of the large-scale wind power multi-terminal flexible direct current sending-out system; and setting parameter constraint conditions for key parameters of the strategy. Accurate sensing of the alternating current frequency can be achieved under the condition of no rapid communication, the lowest frequency point after power disturbance is effectively raised, the frequency change rate is reduced, secondary falling of the frequency is avoided, meanwhile, different topological structures and line fault scenes are adapted, and safe and stable operation of an electric power system is guaranteed.

The utility model discloses a kind of amorphous alloy three-dimensional roll iron core annealing monitoring models, comprising: support, amorphous alloy three-dimensional roll iron core, high voltage coil, low voltage coil, insulating iron hoop, ac frequency modulation power supply, magnetized busbar and power analyzer, high voltage coil and low voltage coil are set in the upper yoke portion of amorphous alloy three-dimensional roll iron core;Insulating iron hoop is used to fix amorphous alloy three-dimensional roll iron core;Magnetized busbar is supported by insulating support plate and placed in the inner frame of the iron core;Ac frequency modulation power supply is electrically connected with high voltage coil;Voltage clamp and current clamp are electrically connected with low voltage coil respectively;Power analyzer is electrically connected with the voltage clamp and current clamp.

The application discloses a pumped storage full-power frequency converter power unit variable frequency control method and device, N power units are cascaded at an AC end to form a test valve, and M power units are cascaded at the AC end to form a test valve; the method is used for controlling the test valve to output several AC frequency target values, and the method comprises the following steps: pre-charging DC capacitors in the test valve and the test valve to target values; determining corresponding output current / power target values according to the AC frequency target values to be output; controlling the turn-on and turn-off time of the turn-off semiconductor of each power unit in the test valve and the test valve, so that the actual output current / power of the test valve is the output current / power target value, and the actual output frequency of the test valve is the AC frequency target value. The application can simulate the continuous speed regulation operation condition of the pumped storage full-power frequency converter power unit on the pumped storage unit.

The invention belongs to the technical field of power system synchronization, and particularly relates to a three-phase phase-locked loop control method and device. The method comprises the following steps: acquiring a q-axis power grid voltage sampling value of a three-phase power grid voltage sampling value under a two-phase rotating coordinate system; inputting the q-axis power grid voltage sampling value into a complex coefficient filtering sliding mode observer, extracting alternating current frequency multiplication disturbance brought by the distorted power grid voltage, and obtaining a q-axis voltage estimated value, a direct current estimated value in the alternating current frequency multiplication disturbance and a total alternating current estimated value in the alternating current frequency multiplication disturbance; the complex coefficient filtering sliding-mode observer is obtained by connecting a complex number filtering item of a complex coefficient filter in parallel in the sliding-mode observer; and calculating a phase angle estimation value of the three-phase phase-locked loop after feedback compensation based on the q-axis voltage estimation value, the direct current quantity estimation value in the alternating current frequency multiplication disturbance, the total alternating current quantity estimation value in the alternating current frequency multiplication disturbance and the power grid phase voltage amplitude. The control efficiency and accuracy of the phase-locked loop are improved, and the method has good stability and robustness.

The invention discloses a control method and system of a ship alternating current and direct current hybrid power system based on a hybrid margin. The method comprises the following steps: collecting a direct current voltage of a direct current sub micro-grid and an alternating current frequency of an alternating current sub micro-grid in real time; for each energy storage unit in the DC sub-microgrid, adjusting the input and output power of the energy storage unit in different modes based on the operation margin corresponding to the state of charge; for each power supply in the AC sub-microgrid, adjusting the power supply output active power in different modes based on the power supply operation margin corresponding to the operation parameter; carrying out normalization processing on the direct-current voltage and the alternating-current frequency and calculating deviation values of the direct-current voltage and the alternating-current frequency; if the two deviation values are both in the margin range, the standby state of the interconnection converter is maintained, and the energy storage unit and the power supply autonomously complete power balance through a self droop control strategy; and if one of the two deviation values exceeds the margin range, power mutual assistance and distribution are performed on the DC sub-microgrid and the AC sub-microgrid through the interconnection converter based on a double-droop control strategy.

A resonant converter has a transformer having a primary winding and a secondary winding magnetically coupled to the primary winding via a transformer core, a controllable primary-side switching element electrically coupled to the primary winding via a primary-side resonant circuit, and a controllable secondary-side switching element electrically coupled to the secondary winding, the primary-side switching element is used for connecting the primary winding with a primary-side alternating current voltage with a predeterminable alternating current frequency, and the secondary-side switching element is used for guiding a secondary-side alternating current with an alternating current frequency through the secondary winding. The transformer has, on the secondary side, a separate secondary-side synchronous winding magnetically coupled to the primary winding for generating a secondary-side synchronous signal, and has a control device. The control device is designed to receive the secondary-side synchronization signal, to detect a zero value of the secondary-side AC current on the basis of the secondary-side synchronization signal, and to determine a time difference between a sign change of the primary-side AC voltage and reaching the zero value.

The invention provides an off-grid hydrogen production system comprehensive efficiency optimization method based on alternating current frequency modulation, and belongs to the technical field of new energy hydrogen production. Comprising the following steps: establishing an electrolytic cell performance evaluation system; obtaining a performance index weight; dividing a working interval by an improved TOPSIS method; aC frequency information transmission and electrolytic cell power adaptive control are carried out. Compared with the prior art, the system state information is transmitted through the frequency signals, communication does not need to be depended on, and the problem that communication faults affect the system stability is solved. In addition, a hydrogen production power self-adaptive control strategy is designed in combination with the working interval of the electrolytic cell, the influence of the working state of the electrolytic cell is considered, and the method is suitable for various weather conditions.

This invention proposes a hybrid MMC fault clearing control method and apparatus with a low full-bridge ratio. The invention includes: when a DC fault is detected, the DC controller of the sending-end converter switches to fault mode, generates a fault DC internal potential through proportional control, and applies negative limiting to cut off the fault current; the AC controller switches to fault mode, adjusts the energy storage reference value of the full-bridge submodule, and generates an AC frequency deviation; the grid-side converter of the wind turbine sets the AC power reference value to zero, generates a wind turbine frequency deviation based on the power deviation, and updates the voltage phase; after the fault current returns to zero, each controller switches back to normal mode to restore power transmission. This method can quickly cut off the fault current, stabilize wind turbine operation, and ensure system fault ride-through and reliable recovery.

This invention proposes a DC fault ride-through method and apparatus for a new energy islanded DC transmission system. The invention includes: in the event of a DC fault, controlling the receiving-end converter station to enter a zero DC current mode and the sending-end converter station to enter a zero DC voltage mode; the generation unit identifies the fault based on the AC frequency, switches to a load shedding mode, and engages an unloading circuit to dissipate surplus power; when the capacitor voltage of the sending-end converter station submodule drops to a preset threshold, it switches to the zero DC current mode, outputting a negative voltage to quickly suppress the DC current; after the fault is cleared and power is balanced, the converter station resumes normal operation, the generation unit ramps up power recovery, and unloading stops. This invention can quickly suppress faults, stabilize system operation, and achieve smooth recovery after a fault.

This invention provides a fault-passing method and system for an AC-AC frequency converter. The method includes: detecting the operating status of the main power modules on each bridge arm; obtaining the number of faulty main power modules on each bridge arm based on the operating status of the main power modules on each bridge arm; and executing a corresponding bypass mechanism based on the number of faulty main power modules and the number of redundant power modules on each bridge arm. The bypass mechanism includes a power module-level bypass mechanism, a frequency converter module-level bypass mechanism, and a system-level bypass mechanism. This enables three fault-passing modes for the AC-AC frequency converter: six-phase operation, nine-phase operation, or power frequency operation, when the number of main power modules is greater than, less than, or equal to the number of redundant power modules.

The inverter (408) converts the power output from the distributed power source (40) into AC power and outputs it to the AC system. The inverter control circuit (409) generates a target AC voltage value for controlling the inverter (408) and generates a command value for controlling the inverter (408) as a voltage source. When the inverter (408) is connected to the AC system, the inverter control circuit (409) makes the frequency of the target AC voltage value the frequency of the AC voltage detected by the AC frequency detection circuit (4091), and when the target AC power value is in the direction of power operation, it controls the phase of the target AC voltage value to be at least the leading phase relative to the AC voltage of the AC system.

A single-stage multi-path direct current access converter and a control method thereof are provided. The single-stage multi-path direct current access converter includes an AC-side conversion circuit; at least two DC-side conversion circuits; and transformers corresponding to the at least two DC-side conversion circuits. AC sides of the at least two DC-side conversion circuits are respectively connected to primary windings of the corresponding transformers; secondary windings of the transformers are connected in parallel to a first side of the AC-side conversion circuit; each of the at least two DC-side conversion circuits is configured to invert DC power received by the DC-side conversion circuit, or to rectify AC power received by the DC-side conversion circuit; and the AC-side conversion circuit is configured to perform AC frequency conversion.

Timing adjustment for accurate zero-crossing determination includes obtaining time offset(s) representing amounts of time between (i) zero-crossings of an input signal waveform, representative of an input AC waveform, input to a zero-crossing detector circuit and (ii) corresponding transitions of an output signal from an output of the circuit to a microcontroller, and determining times of the zero-crossings of the input AC waveform, which includes determining times of the corresponding transitions as detected by the microcontroller and adjusting the determined times using the time offset(s) to produce the times of the zero-crossings of the input AC waveform. In another aspect, input AC frequency is determined by determining pulse width(s) of pulse(s) of the output signal, and adjusting a half-cycle time corresponding to the pulse width(s) using the time offset(s) to provide a duration of half-cycles of the input AC waveform and inform a frequency of the input AC waveform.

The measurement system includes a vibration transducer (10) and measurement system electronics (20), which are electrically coupled to the transducer (10) for controlling the transducer and for evaluating the vibration measurement signals (s1, s2) provided by the transducer. The exciter assembly includes a vibration exciter (31) designed to convert electrical power having a time-varying current into mechanical power such that a time-varying driving force acts on the tube at a drive point formed by the vibration exciter on the tube mechanically connected to the vibration exciter, wherein the vibration exciter (31) is positioned and designed such that the drive offset (ΔE) between the drive cross-sectional area of ​​the tube surrounded by an imaginary circumference of the tube intersecting the drive point and a predefined reference cross-sectional area of ​​the tube, i.e., a minimum distance not greater than 3° mm of the tube length and / or less than 0.5% of the tube length, and wherein the vibration node of the vibration motion formed between two antinodes of the vibration motion of at least one of the second-order or higher-order vibration modes (deviating from the first-order vibration mode) of the tube is located within the reference cross-sectional area. The measurement system electronics (20) are designed to feed electrical power to the vibration exciter (31) via an electrical drive signal (e1) having a time-varying current, causing the tube to perform forced mechanical vibration with one or more vibration frequencies specified by the drive signal (e1), wherein the measurement system electronics provide the drive signal (e1) with a (AC) frequency (f eN1 ) or (AC) frequency (f eN2 The sinusoidal (useful) current components (eN1, eN2) make the (AC) frequency (f) eN1 The resonant frequency (f) of the pipe's naturally inherent odd-order vibration modes. 2n+1 Deviation and (AC) frequency (f) eN2 The resonant frequency (f) of the even-order vibration mode inherent in the tube. 2n+2 The deviation is less than 1% and / or less than 1 Hz, and the measured value of at least one flow parameter of the measurement material guided in the transducer is determined based on the corresponding useful signal component (s1N1; s2N1; s1N2; s2N2) of at least one of the vibration measurement signals (s1, s2).

The invention discloses a method and a system for controlling a network construction type AC-AC frequency converter for low-frequency power transmission, which are applied to the field of low-frequency power transmission, and comprise the following steps: determining the number of full-bridge sub-modules and the number of half-bridge sub-modules based on the maximum withstand voltage and rated operation current of an IGBT (Insulated Gate Bipolar Translator) and the exchangeable active power of the AC-AC frequency converter; determining a capacitor voltage average value based on the number of the full-bridge sub-modules, and adjusting an output AC voltage amplitude through the capacitor voltage average value; adjusting the output AC voltage frequency based on the exchange reactive power and the injection reactive power of the AC-AC frequency converter and the low-frequency AC system; adjusting the output AC voltage based on the AC voltage amplitude and the AC voltage frequency; and on the basis of the number of the half-bridge sub-modules, active power fed into the power frequency alternating current system by the power frequency side inversion direct current-alternating current conversion module is adjusted. According to the invention, stable and reliable transmission from the low-frequency AC system to the power-frequency AC power grid is realized.

The invention relates to the technical field of power electronic equipment control, in particular to a bipolar AC-AC frequency converter low-frequency side fault control method and system, and the method comprises the steps: collecting the average capacitance voltage of each phase of sub-module of a bipolar AC-AC frequency converter; performing equal-power Clark conversion on the average capacitance voltage to obtain average voltage components under alpha and beta coordinates; inputting the average voltage component into a proportional-integral (PI) controller for adjustment to enable the average voltage component to tend to zero, and outputting an alpha component and a beta component; performing polar coordinate transformation on the alpha and beta components to obtain a zero-sequence common-mode voltage reference, wherein the zero-sequence common-mode voltage reference comprises an amplitude and a phase; and taking the zero-sequence common-mode voltage reference as a zero-sequence compensation component, and superposing and injecting the zero-sequence common-mode voltage reference into modulation waves of three-phase upper and lower bridge arms of the bipolar AC-AC frequency converter so as to realize unbalance compensation of capacitor voltages of bridge arm sub-modules. According to the invention, the stability of the capacitor voltage among the three-phase bridge arm sub-modules can be effectively ensured under the condition that the voltage of the low-frequency side alternating current system is asymmetric.

The application belongs to the technical field of AC-DC-AC frequency converter, and particularly discloses a three-phase motor two-phase space voltage vector control circuit and a control method thereof. The application adopts two-phase independent filtering inversion, directly connects the reference phase of the power supply and the load, and connects to the midpoint of the bus capacitor of two groups of frequency conversion circuits, proposes to perform space voltage modulation by using voltage eight vectors, reduces the cost of the frequency converter, and completes normal frequency conversion and speed regulation of the motor under two-phase control. Torque pulsation and power switching devices are reduced, element faults are less, and production cost and maintenance cost are greatly reduced.

The present application relates to a kind of AC-DC hybrid microgrid multi-mode operation coordination control method, equipment and medium.The method includes receiving operating mode switching instruction, control bidirectional AC / DC converter and energy storage bidirectional DC / DC converter adjustment power flow.If switch to off-grid mode, disconnect high-voltage AC power grid connection, build low-voltage AC and DC bus through energy storage;If switch to grid-connected mode, reconnect power grid after checking AC400V stability.During switching process, active and reactive power are adjusted according to real-time data of DC bus voltage and AC frequency.After switching, control strategy is adjusted according to microgrid state, and the method realizes smooth switching and adapts to operating demand.

An induction device includes a plurality of induction areas which can be controlled independently from one another, and a control unit configured to control the plurality of induction areas within a control period from a first control interval and a second control interval repetitively with an alternating current frequency and to supply the plurality of induction areas with energy. The control unit operates in the first control interval at least two of the plurality of induction areas with a first phase shift to minimize interference.

A drive system includes a shaft, a support, a driver, a rotational angle sensor, a signal processing unit, and a controller. The rotation angle sensor outputs a first signal on which a specific frequency component is superimposable. The signal processing unit generates, based on the first signal, a second signal by performing a reduction process in order to reduce the specific frequency component included in the first signal. The controller controls the support and the driver. The controller detects the rotational angle of the shaft based on the second signal. A frequency of the specific frequency component reduced by the reduction process is lower than a frequency of a first frequency component included in the first signal. The first frequency component is an alternating-current frequency component other than a direct-current component and corresponds to the change in the rotational angle of the shaft.

The application provides a single-stage multi-path DC access converter and a control method thereof. In the single-stage multi-path DC access converter, AC sides of each DC side conversion circuit are connected in parallel to a primary winding of a transformer through corresponding impedance elements, the impedance elements can be used to realize power decoupling between the DC side conversion circuits, and thus the energy input or output by multiple DC side conversion circuits can be collectively processed by using one transformer to realize multi-path DC access. Moreover, each DC side conversion circuit is used to realize AC / DC conversion, and the turns ratio of the primary and secondary windings of the transformer can realize corresponding voltage transformation of the primary and secondary windings. The AC side conversion circuit connected to the secondary winding of the transformer can realize AC frequency conversion, and thus single-stage conversion can be realized. Therefore, the single-stage multi-path DC access converter can realize multi-path DC access in the form of single-stage conversion, and thus the conversion efficiency is improved and the cost is reduced.

The invention provides a VSG control method, device and equipment of an optical storage grid-connected system, and relates to the technical field of power systems. The method comprises the following steps: acquiring real-time operation data of the optical storage grid-connected system; the real-time operation data comprises direct-current bus voltage, active power and alternating-current frequency; based on the real-time operation data and a second-order voltage-frequency nonlinear coupling model of the direct current-alternating current side, performing nonlinear coupling analysis on the direct current bus voltage, the active power and the alternating current frequency to obtain coupling parameters; based on the real-time operation data and the coupling parameters, a pre-constructed objective function and a control equation are updated, and the control equation is a voltage-frequency coupling equation set representing the coupling relation between the direct current side and the alternating current side; based on the objective function and the control equation, performing iterative optimization to obtain an optimal control parameter; and controlling the VSG of the optical storage grid-connected system based on the optimal control parameter. The stability of the optical storage grid-connected system can be improved.

The invention relates to the technical field of power electronic equipment control, in particular to a bipolar AC-AC frequency converter harmonic suppression method and system, and the method comprises the steps: measuring low-frequency-side and power-frequency-side three-phase currents; respectively carrying out Park coordinate transformation on the low-frequency-side three-phase current harmonic component and the power-frequency-side three-phase current harmonic component to obtain d and q components of the low-frequency-side harmonic and the power-frequency-side harmonic; d and q components of the low-frequency-side harmonic waves and the power-frequency-side harmonic waves are input into a proportional-integral (PI) controller, a control target is set to be 0, and output of the low-frequency-side PI controller and output of the power-frequency-side PI controller are obtained; park inversion is carried out on the output of the low-frequency-side PI controller and the output of the power-frequency-side PI controller to obtain low-frequency-side three-phase modulation wave components and power-frequency-side three-phase modulation wave components; and superposing the low-frequency-side and power-frequency-side three-phase modulation wave components to form modulation waves of upper and lower bridge arms of each phase, and driving corresponding sub-modules according to the modulation waves so as to generate positive-sequence differential-mode voltages and / or negative-sequence common-mode voltages for offsetting harmonic waves on each phase and suppress the harmonic waves.

Resonance converter (10) comprising a transformer (Tr) with a primary winding (11) and a secondary winding (13) magnetically coupled to the primary winding via a transformer core (12), electrically coupled to the primary winding via a primary-side resonant circuit (L1, C1) controllable primary-side switching elements (S1-S4) for supplying the primary winding with a primary-side alternating voltage (U1) with a predeterminable alternating frequency, and electrically coupled to the secondary winding controllable secondary-side switching elements (S5-S8) for conducting a secondary-side alternating current (I2) with the alternating frequency through the secondary winding, wherein the transformer has a separate secondary-side synchronization winding (15) magnetically coupled to the primary winding for generating a secondary-side synchronization signal (Isync2), and a control device (16) configuredto receive the secondary-side synchronization signal, to detect a zero value of the secondary-side alternating current based on this, to determine a time difference (Δt) between a sign change of the primary-side alternating voltage and reaching the zero value, and to dynamically determine the predetermined alternating frequency such that the time difference is minimized; furthermore, a method for operating a resonant converter (10) and an on-board charger with a resonant converter (10).

This invention provides a continuous-time linear equalizer and electronic device, belonging to the field of semiconductor device technology. It dynamically adjusts the inductance characteristics of a first and second active inductor circuit by outputting a bias voltage through a bias circuit. Combined with adjustable resistance and capacitance circuits connected between the differential input branches, during differential signal processing, the adjustable resistance and capacitance circuits change the impedance between the branches to set compensation benchmarks for low-frequency and high-frequency gains, respectively. Meanwhile, the bias circuit further reshapes the AC frequency response curve of the output differential voltage by altering the inductive load characteristics of the active inductor circuit. This multi-dimensional impedance and load joint adjustment mechanism enables the system to compensate for device parameter changes caused by process, voltage, and temperature drift in real time, effectively resisting interference from immature processes and ensuring the stability and accuracy of high-frequency gain compensation under different environmental conditions.