211 results about "Shunt capacitance" patented technology

An IPD high-selectivity band-pass filter based on a weak coupling transformer technology comprises an LC parallel resonance circuit, an LC series resonance circuit, an LC parallel resonance circuit and a fourth capacitor C4, and inductors in the LC parallel resonance circuit and inductors in the LC parallel resonance circuit have a weak transformer coupling relation; the coupling coefficient required by the weak coupling transformer provided by the invention is very small and can be realized in a mode of adjacently placing metals on the same layer, so that the structural complexity of the filter is effectively reduced; the band-pass filter is based on an IPD technology, an extra decoupling equivalent inductor is introduced through a weak transformer coupling technology, the extra decoupling equivalent inductor and a parallel capacitor which is connected between the input end and the output end of the filter in a bridging mode form a new resonance path, and a transmission zero point is introduced into an upper stop band and a lower stop band of the filter respectively to improve the selectivity of the filter. According to the invention, the selectivity of the filter can be effectively improved on the premise of not additionally introducing an inductance element and not increasing the order of the filter.

The invention provides a signal acquisition system of a photoelectric detector. In the signal acquisition system, a transimpedance pre-amplification circuit is arranged at the output end of the photoelectric detector, and a passive high-pass filter circuit is connected between the transimpedance pre-amplification circuit and a post-voltage amplification circuit. And a feedback network is formed in the transimpedance pre-amplification circuit and is used for converting a current signal output by the photoelectric detector into a proportional first voltage signal and outputting the proportional first voltage signal. The filter circuit is a third-order LC high-pass filter circuit and is used for suppressing direct current, low frequency and self-beat frequency components and keeping a 10-90MHz pass band flat. The rear voltage amplification circuit adopts a voltage amplification structure of a voltage operational amplifier, the voltage gain Av is 6-10, and the super-band gain is limited through a shunt capacitor. According to the embodiment of the invention, through the structure and parameter setting, the noise gain peak value is suppressed, and the system stability is improved.

The present disclosure relates to a current sensing system for a magnetic resonance imaging (MRI) scanner operating at 1H and 23Na resonant frequencies. The system includes a dual-tuned RF coil with a network of up to two parallel quarter-wavelength transmission lines, each integrated with a PIN diode-coupled shunt capacitor. A multiple half-wavelength transmission line is employed with a corresponding pair of shunt capacitors and PIN diodes. A quarter-wavelength transmission line, coupled with a power amplifier through a matching network of shunt capacitors and PIN diodes, is also included. The configuration parameters are designed to tune the system to the fundamental frequency and its first odd multiple, correlating with the 1H resonant frequency, and to the 23Na resonant frequency. The system accurately senses coil currents by detecting voltage variations in the matching network, thereby facilitating precise current measurements at the tuned resonant frequencies without the need for external sensors.

The invention discloses a coordination control method and related equipment for a network-construction-type flexible direct current converter station. The method comprises the following steps: firstly, determining the maximum capacitive reactive power capacity of the network-construction-type flexible direct current converter station; simulating a fault through time domain simulation, and calculating dynamic reactive power required for guaranteeing the stability of the transient voltage of the hub bus; selecting a parallel capacitor bank close to a grid-connected point to form a collaborative resource set, and initializing and distributing the input capacity of the collaborative resource set; taking the flexible direct current reference voltage, the active power and the capacitor input capacity as boundaries, taking maximization of a static voltage stability index as a target, executing continuous power flow optimization, calculating reactive power reserve capacity, and sending a control target after conditions are met. According to the invention, excessive consumption of flexible direct-current reactive power reserve is avoided by determining the capacity reference, and the dynamic reactive power demand is accurately calculated to ensure fault support; the cooperative capacitor bank supplements insufficient static resources and reduces flexible DC burden; through continuous power flow optimization, overall planning of steady-state and transient-state voltage stability is achieved, and the comprehensive supporting capacity of the network-constructing flexible direct current power supply to the voltage stability of the power grid is effectively improved.

An example power splitter and associated methods are provided herein. In some embodiments, the power splitter may include a first port. In some embodiments, the power splitter may include a plurality of second ports. In some embodiments, the power splitter may include one or more low pass elements. In this regard, the one or more low pass elements may include at least one series inductor and at least one shunt capacitor. In some embodiments, the power splitter may include one or more high pass elements. In this regard, the one or more high pass elements may include at least one series capacitor and at least one shunt inductor. In some embodiments, each of the one or more high pass elements and each of the one or more low pass elements is electrically connected to the first port and the plurality of second ports.

A current sensing system for a magnetic resonance imaging (MRI) scanner operating at 1H and 31P resonant frequencies includes a dual-tuned RF coil with a network of up to two parallel quarter-wavelength transmission lines, each integrated with a PIN diode-coupled shunt capacitor. A multiple half-wavelength transmission line is employed with a corresponding pair of shunt capacitors and PIN diodes. A quarter-wavelength transmission line, coupled with a power amplifier through a matching network of shunt capacitors and PIN diodes, is also included. The configuration parameters are designed to tune the system to the fundamental frequency and its first odd multiple, correlating with the 1H resonant frequency, and to the 31P resonant frequency. The system accurately senses coil currents by detecting voltage variations in the matching network, thereby facilitating precise current measurements at the tuned resonant frequencies without the need for external sensors.

The invention discloses an intermediate frequency filter chip based on a gallium arsenide IPD process, which adopts the GaAs IPD process with three metal layers and comprises six resonators, twelve capacitors and three metalized grounding holes. The six resonators are composed of capacitors C1-C6 and inductors L1-L6 which are connected in series / in parallel, the inductors are all of self-built octagonal structures, and wiring is only conducted on the middle layer and the uppermost metal layer; a branch series capacitor Ca-Cc and a main parallel capacitor Cd-Cf respectively form six transmission zeros outside a low-frequency band and a high-frequency band. According to the invention, the characteristics of small size and wide band of the filter chip are realized, the loss is reduced, the in-band flatness is improved, and the filter chip has high frequency selectivity and high out-of-band rejection capability.

The invention provides a parameter design method for a multi-voltage rectification LCC converter, and the method comprises the steps: building a voltage precise mathematical model of a resonant cavity parallel capacitor through employing a fundamental wave equivalent method based on the condition that output capacitors of the multi-voltage rectification LCC converter and a multi-voltage rectifier participate in resonance; the gain of the voltage-multiplying LCC resonant converter is modeled through a voltage accurate mathematical model of a resonant cavity shunt capacitor; determining the number of rectifier bridges, the turn ratio of a transformer and the capacitance value of a rectification voltage-multiplying capacitor according to the voltage of the parallel capacitor of the resonant cavity and the gain of the voltage-multiplying LCC resonant converter; and determining values of the resonant cavity series-parallel capacitor and the resonant cavity inductor according to the capacitance value of the rectification voltage-multiplying capacitor. According to the method, analysis and calculation of the output filter capacitance are incorporated into parameter design of accurate modeling, a scheme for selecting the number of the voltage doubling rectifier bridges is given, and the size can be reduced and economic benefits can be increased under the condition that working condition requirements are met.

The invention discloses a power grid voltage stability evaluation method and system, which are applied to the field of voltage stability evaluation, and the method comprises the steps: determining a low-frequency component and a high-frequency component of each node of a target power grid; voltage sag information of the corresponding node is obtained; determining a first target node according to an analysis result of the voltage sag information; determining a high-frequency modeling mode of each node based on the voltage sag information; analyzing the high-frequency component, and determining a target frequency band; in the target frequency band, determining the corresponding node as a second target node based on an analysis result of the high-frequency operation model; and obtaining a stability evaluation result of the target power grid based on the first target node, the second target node and the topological information, and at least adjusting the switching group number of the parallel capacitor group of the target power grid according to the stability evaluation result. The power grid voltage stability assessment method and system provided by the invention can accurately assess the power grid voltage stability and provide an accurate basis for the control of the power grid voltage.

A power converter includes switching section, tuning section, and rectification section. The tuning section includes transformer with a primary inductance and a secondary inductance and a primary series capacitor connected in series with a primary winding and a secondary series capacitor connected in series with a secondary winding. The primary series capacitor is selected with a resonant frequency with the primary inductance and the secondary series capacitor is selected with the resonant frequency with the secondary inductance. The tuning section includes a resonant tank with a primary parallel capacitor connected in parallel with the primary series capacitor and the primary winding and a primary resonant inductor connected between the switching section and a connection to the primary parallel capacitor. An input impedance of the resonant tank at a switching frequency is below a frequency intersecting an open circuit input impedance and a short circuit input impedance of the resonant tank.

Single band and multiband wireless antennas are an important element of wireless systems. Competing tradeoffs of overall footprint, performance aspects such as impedance matching and cost require not only consideration but become significant when multiple antenna elements are employed within a single antenna such as to obtain circular polarization transmit and / or receive. Accordingly, it would be beneficial to provide designers of a wide range of electrical devices and systems with compact single or multiple frequency band antennas which, in addition to providing the controlled radiation pattern and circular polarization purity (where required) are impedance matched without substantially increasing the footprint of the antenna and / or the complexity of the microwave / RF circuit interfaced to them, whilst supporting multiple signals to / from multiple antenna elements in antennas employing them. Solutions present achieve this through provisioning one or more capacitive series reactances discretely or in combination with one or more shunt capacitive reactances.

The invention relates to the technical field of high-voltage dry-type reactive power compensation, and discloses an underground mining high-voltage dry-type reactive power compensation device. Comprising a dry-type iron core filter reactor module, a high-voltage self-healing parallel capacitor module, an intelligent measurement and control protection integrated module, a heat dissipation dustproof adaptive adjustment module, a high-voltage insulation wiring terminal group, a fault positioning and early warning module and a remote monitoring communication module. All the modules are integrated into a whole through modular design. According to the invention, a modular integrated design is adopted, each functional module is uniformly arranged in the mining explosion-proof shell to form a uniform grounding loop, the shell meets the explosion-proof standard, the protection grade reaches IP65, and the high-grade insulation design of each module is matched, so that the underground high-dust, high-humidity and explosive environment is effectively adapted; the problems that a traditional device is large in potential safety hazard and poor in adaptability are thoroughly solved, and the safety and reliability of the device are remarkably improved.

The invention discloses a cable outer sheath fault detection method considering signal attenuation, and the method comprises the steps: S1, building a detection model of a clinging type cable outer sheath, and enabling the detection model to take two parallel cable metal sheaths as signal transmission lines; s2, establishing a distributed parameter model, wherein the distributed parameter model comprises a series resistor, a series inductor, a parallel conductor and a parallel capacitor per unit length; s3, establishing a shunt capacitance calculation model and calculating total shunt capacitance; s4, building a signal attenuation amplitude calculation model, evaluating the attenuation degree of the detection signal, and judging the applicability of the detection signal according to the attenuation degree; and S5, on the premise of judging that the signal is applicable, injecting a traveling wave signal into the cable metal sheath, and positioning a damage point of the cable outer sheath based on the reflected signal. According to the method, the problems that the fault detection precision is low and the signal applicability cannot be evaluated in advance due to serious signal attenuation in the tightly laid cable tunnel are solved, and the detection accuracy and reliability are remarkably improved.

The application provides a non-continuous three-phase rectifier adjustable power decoupling method, and relates to the field of power electronics. The method is characterized in that a capacitor equivalent circuit is connected in parallel to the DC side of a three-phase PWM rectifier, the capacitor equivalent circuit is composed of a first capacitor connected in series with an active negative capacitor circuit, and a digital signal controller is used to sample the relevant voltage and current signals of the AC side and the DC side, and the active negative capacitor capacitance is adjusted by controlling the switching tube, so that the equivalent capacitor circuit can be flexibly adjusted. The application does not require an additional DC power supply, the capacitance and inductance of the passive device used are small, and the volume advantage is significant. The closed-loop control has high precision and equivalent inhibition effect as the traditional large capacitor. The equivalent capacitance is adjusted only by software, the external physical structure does not need to be changed, and the adjustment range is wide. The preset DC side voltage fluctuation amplitude can be calculated and adjusted automatically, different unbalanced working conditions can be adapted, the fluctuation suppression demand can be met, different working modes can be switched according to the AC side working condition, and the application is not continuously operated, so that the switching loss is lower.

The application discloses a kind of Buck converter operating state online detection methods under CCM mode, parallel a known capacity capacitor at the output of Buck converter, collect the output voltage ripple before parallel capacitor and the output voltage ripple after parallel capacitor, then combine the average value of output voltage, the parameter of output filter capacitor can be calculated, and the performance of switching power supply will not be affected by parallel capacitor;Without additional excitation auxiliary measurement, without disassembling power supply, the operating state of Buck converter can be detected online, and Buck converter is not impacted in any way;In the long-term operation process of Buck converter, the working state and aging condition of Buck converter can be judged according to the parameter of capacitor, to achieve the purpose of Buck converter fault detection.

The invention discloses an LC interface filter which comprises a parallel capacitor and a series inductor with eddy current magnetic loss, and the structural design of the inductor (10) enables the eddy current magnetic loss to be far larger than magnetic hysteresis loss; the inductor is composed of a magnetic material tube (12), an electric conductor (14) is wound outside the magnetic material tube, and the magnetic material tube and the electric conductor are isolated through an insulating sheet (16).

The embodiment of the application discloses a parameter acquisition method of an oscillation waveform detection system, relates to the technical field of power system control, and accurately acquires the equivalent resistance value, the equivalent inductance value and the equivalent distributed capacitance value of a winding of a transformer to be measured, the output voltage of a high-voltage direct-current power supply, the maximum input voltage of a data acquisition module, the maximum charging current value allowed by a charging detection loop and the like, and based on the indexes, the first capacitance value of a parallel capacitor, the second capacitance value of a voltage division capacitor, the third capacitance value of a measurement capacitor and the resistance range of a current limiting resistor in the oscillation waveform detection system are acquired, the uncertainty caused by empirical design is avoided, the quality of generated oscillation waveforms is ensured to be stable and controllable, consistent and reliable detection results on transformers of different capacities and voltage grades are ensured, and the accuracy and universality of the oscillation wave detection method in practical application are improved.

A frequency synthesis circuit includes a first inductor coupled to receive a first input signal at an input frequency, and a second inductor coupled to receive second input signal at the input frequency and out-of-phase relative to the first input signal. The circuit has first and second transistors with control terminals coupled to the first and second inductors, respectively. A first resonant tank of an inductor in parallel with a capacitor is coupled between a power supply terminal and the first transistor. A second resonant tank of an inductor in parallel with a capacitor is coupled between the power supply terminal and the second transistor. The first and second resonant tanks are tuned to a selected harmonic of the input frequency. An injection-locked oscillator has inputs coupled to the first and second transistors.

The invention discloses an antenna tuning matching network circuit of a mobile platform short wave shunt-fed antenna and a tuning method of the antenna tuning matching network circuit. The circuit comprises a series inductor L1, a series capacitor C2, a parallel inductor L2 and a parallel capacitor C1, one end of the series inductor L1 is connected with one end of a shunt-fed antenna, the other end of the series inductor L1 is connected with one end of the series capacitor C2, and the other end of the series capacitor C2 is connected with one end of a power amplifier; the common end of the series inductor L1 and the series capacitor C2 is connected to one end of the parallel inductor L2 and one end of the parallel capacitor C1. The other end of the shunt inductor L2 is connected with the other end of the shunt capacitor C1, and the common end is connected to the other end of the shunt-fed antenna and the other end of the power amplifier. According to the input impedance admittance data of the mobile platform short-wave shunt-fed antenna, tuning is carried out in multiple frequency band ranges. According to the invention, perfect matching of the short-wave shunt-fed antenna which shows strong capacitance in a high frequency band and even has a second resonance point is realized, so that the tuning capability of the antenna tuner is improved, and the communication effect is improved.

The invention relates to the technical field of capacitor reactive compensation, and provides an adjustable capacitor reactive compensation system and a control method thereof.The system comprises a control unit, a driving unit, a switching unit, a capacitor unit, an acquisition unit, an alarm unit and a data storage unit; the control unit calls a data model of the data storage unit in real time for comparative analysis according to voltage, current and temperature information fed back by the acquisition unit and switching frequency information fed back by the switching unit, analyzes whether compensation operation is needed or not, and controls the switching unit to change and adjust an access combination mode of the capacitor according to an analysis result; meanwhile, operation of a system protection function is carried out according to the type of a system fault, and alarm information is transmitted to an alarm unit for alarm processing. According to the invention, the defect that a single series capacitor compensation or a parallel capacitor compensation cannot be selected and can only be fixed is overcome, the compensation of different capacities is realized, and the requirements of different customers are met.

The utility model discloses an intelligent power supply system, and specifically relates to the power supply management field, the intelligent power supply system comprises an input filter network, the input filter network comprises a resistor R7, one end of the resistor R7 is connected with an input terminal VIN, the other end of the resistor R7 is successively connected with three parallel capacitors, the three parallel capacitors are respectively a capacitor C2, a capacitor C3 and a capacitor C4, and the capacitor C2, the capacitor C3 and the capacitor C4 are connected with the input terminal VIN. The other ends of the three parallel capacitors are all connected with a ground wire GND and are used for filtering ripples of the input end VIN and stabilizing voltage; and the boost power conversion module comprises an inductor L1, one end of the inductor L1 is connected with an output node of the input filter network, and the other end of the inductor L1 is connected with a boost node N1. By constructing a multi-stage coupling control access including input filtering, boost control, overvoltage clamping, current sampling and output feedback regulation, a quick response to power disturbance, load fluctuation and an abnormal state and a self-adaptive power supply regulation mechanism are realized.

The invention belongs to the technical field of integrated circuits, and particularly relates to a millimeter wave broadband low-noise amplifier. The millimeter wave broadband low-noise amplifier comprises a broadband input matching network, a first-stage cascode amplification stage, a first-stage inter-stage matching network based on three-coil coupling, a second-stage differential cascode amplification stage, a second-stage inter-stage matching network based on an asymmetric resonant cavity, a third-stage differential cascode amplification stage and a broadband output matching network. The broadband input matching network comprises a source electrode degeneration inductor and a series-parallel capacitor inductor network, and good conjugate matching and noise matching can be achieved at the same time within the broadband range. According to the invention, a three-coil coupling architecture and an asymmetric resonant cavity architecture are respectively adopted in the design of an inter-stage matching network, and higher gain and lower gain ripple and noise coefficient are realized in a broadband range.

The invention discloses a self-healing parallel capacitor aging test device and method for an AC power system. The method comprises the following steps: S1, preparation before test; s2, carrying out a first-stage aging test; s3, carrying out a charge-discharge cycle test; s4, performing a second-stage aging test; and S5, detecting after the test. According to the self-healing parallel capacitor aging test device and method for the alternating-current power system, automatic control over the whole test process is achieved, it is guaranteed that test conditions meet the national standard requirement, the influence and closing impact on a power grid in the test process are eliminated, the accuracy and reliability of a test result are improved, and the test efficiency is improved. A standardized method is provided for performance evaluation of the capacitor, and the problems that an existing test device is low in integration and automation degree, poor in test precision, large in power grid influence and insufficient in safety protection are solved.

The utility model discloses a miniaturized LTCC low-pass filter with high out-of-band rejection, and the interior of a ceramic substrate is provided with an inner electrode, three inductors of an inductor layer and three parallel capacitors of a first capacitor layer form three resonators, and three transmission zero points are formed; the second capacitor layer and the third capacitor layer form a cross coupling capacitor, the third capacitor layer and the grounding layer form four grounding capacitors, and the three resonators are connected with one another and form a seven-order low-pass filter together with the four grounding capacitors; the bottom of the ceramic substrate is provided with an external electrode port, the external electrode port comprises two input / output ports and a grounding electrode port, the resonators are connected with the input / output ports, and the grounding capacitor is connected with a grounding point and the ports. According to the technical scheme, high suppression of multiple frequency multiplication is achieved, high-frequency warping points are suppressed, high-frequency stop-band suppression of the filter is improved, and the filter has the advantages of being small in size, low in loss, high in integration level, high in reliability and capable of being produced on a large scale.

A circuit includes an amplifier, a bias voltage node, and a first set of switches configured, based on a first reset signal being asserted, to couple amplifier input nodes to the bias voltage node and to short-circuit amplifier output nodes. First and second feedback branches each include a respective circuit network including parallel capacitors, with first ones of the capacitors directly connected to the amplifier input nodes. The first and second feedback branches further include a second set of switches intermediate the amplifier input nodes and second ones of the capacitors, and a third set of switches intermediate amplifier output nodes and the capacitors. These switches selectively couple the capacitors to the amplifier input and output nodes, based on a second reset signal being asserted. The second reset signal is asserted for a time interval exceeding a time interval in which the first reset signal is asserted.

According to the isolation grouping FC and MCR magnetic control dynamic compensation device of the utility model, a high-voltage isolation switch, a vacuum switch, a zinc oxide lightning arrester, a high-voltage fuse, a parallel capacitor, a series reactor and a high-voltage live display device are installed in an isolation grouping FC cabinet; the high-voltage live display device comprises a high-voltage sensor and a display which are connected with each other; a bus inlet wire is sequentially connected with a high-voltage isolating switch, a vacuum switch, a high-voltage fuse and a series reactor and then is connected with a parallel capacitor into one path, the parallel capacitor is in star connection and is connected with a discharge coil in parallel, and another two paths of branches of the bus inlet wire are respectively connected with a high-voltage live display device and a zinc oxide arrester to form an FC channel. The beneficial effects of the utility model are that the response speed is fast, the capacity adjusting range is wide, and the full-capacity continuous adjustment can be realized, thereby accurately controlling the voltage and reactive power of the system.

A converter system, for example for vehicle-to-vehicle charging, comprises galvanically isolated modular first and second converters with the same maximum rated voltage, a DC voltage bus connecting the converters, and an electronic control unit. The DC bus input voltage is converted to an output voltage via switching control signals to the modular converters. The system's rated voltage can be the maximum of the input and / or output voltage, or it can be the maximum input voltage and approximately 50 percent of the maximum output voltage. The maximum input and output voltages can be the same. If the rated voltage is approximately 50 percent of the maximum input voltage, capacitors can be connected in parallel to the modular converters on one input side.Circuits can be connected to the bus to control the conversion of the input voltage via switching control signals.

The invention relates to the technical field of circuit breaker installation, and discloses a circuit breaker installation device and method.The circuit breaker installation device comprises a vehicle body, a position adjusting mechanism, a profiling tool and an image collecting assembly, the position adjusting mechanism is arranged at the top of the vehicle body, and the profiling tool is arranged at the top of the position adjusting mechanism; the profiling tool is used for installing an arc extinguish chamber porcelain bushing and a parallel capacitor, the image acquisition assembly is installed on the profiling tool, and the position adjusting mechanism is arranged to be capable of adjusting the position of the profiling tool in the horizontal direction and the vertical direction. The first position adjusting assembly can achieve large-range and rapid adjustment of the profiling tool in the spatial position, the second position adjusting assembly is connected to the first position adjusting assembly and bears the profiling tool, and small-range and high-precision fine adjustment of the profiling tool in the spatial position can be achieved. The grading design of combining coarse adjustment with fine adjustment can give consideration to both the installation efficiency and the installation precision. And the profiling tool is designed to be matched with the porcelain bushing group and is used for supporting and positioning the porcelain bushing group.

The application discloses a kind of transmitter chip architecture of ultra-low area high output power, it is related to wireless communication circuit technical field.The architecture includes mutually coupled first single-core oscillator OSC1, second single-core oscillator OSC2, driving voltage synthesis transformer TFM1, power amplifier active core PA, output matching transformer TFM2 and parallel capacitor C1-C6.OSC1 and OSC2 are realized same frequency same phase oscillation by electrical or electromagnetic coupling, TFM1 is matched with C1-C4, and two-way oscillation voltage is superimposed in phase, generates amplitude doubling driving voltage, is directly input PA amplification, and is output after completing impedance matching by TFM2 and C5-C6 again.Compared with traditional oscillator, driving amplifier and power amplifier architecture, the application omits driving amplifier and interstage matching transformer, and the area of core circuit is ≤0.038mm 2 , output power reaches 13dBm, realizes the synergistic optimization of ultra-low area and high output power, and adapts miniaturization, high-performance communication demand.

The utility model discloses a high-capacity low-ESR laminated solid-state aluminum capacitor which comprises a shunt capacitor body, and the shunt capacitor body comprises a plurality of capacitor split bodies which are stacked up and down and connected in parallel. Each capacitor split body comprises a plurality of capacitor chips, a conduction frame and a shell, the capacitor chips and the conduction frame are arranged in the shell, the two surfaces of the conduction frame are both provided with a plurality of superposed capacitor chips, an anode pin and a cathode pin are respectively led out from the two sides, facing the shell, of the conduction frame, and the anode pin and the cathode pin are connected with the shell. The anode pins of the plurality of capacitor split bodies are connected in a conductive manner, and the cathode pins of the plurality of capacitor split bodies are connected in a conductive manner. According to the invention, the plurality of capacitor split bodies which are stacked up and down and connected in parallel are arranged, and the anode pin and the cathode pin of each capacitor split body are connected in a conducting manner, so that the capacity and the yield of the capacitor can be effectively improved.