1600 results about "Disconnector" patented technology

The utility model belongs to the technical field of medium-voltage power distribution systems, and discloses an isolating switch device and a switch cabinet, the isolating switch device comprises an insulating rod, a conductive block, a conductive sheet and an operating mechanism, the conductive block is sleeved on the insulating rod, the conductive sheet is fixedly connected with the conductive block, and the operating mechanism drives the conductive sheet and the conductive block to rotate through the insulating rod. Therefore, the conducting strip is selectively connected or disconnected with the circuit breaker connector bar, and the conducting block is electrically connected with the voltage transformer in the rotating process. An isolating switch device is additionally arranged between a circuit breaker and a voltage transformer in a switch cabinet, an operating mechanism is utilized to drive a conducting strip and a conducting block to rotate through an insulating rod, the conducting block and the voltage transformer keep electrical connection in the rotating process, the position of the conducting strip is changed in the rotating process, and then the conducting strip is selectively connected with or disconnected from a circuit breaker connector bar. The structure is simplified, the number of elements is reduced, flexible operation can be achieved, and the stability and reliability of the disconnecting switch device can be guaranteed.

An electrical transmission safety system for connection of direct current (DC) power from a DC power source to a load comprises: a connection from the power source to the load, the connection comprising a positive terminal and a negative terminal; a first solid state switch electrically connected between the power source and one of the positive terminal and negative terminal; and a switch-control isolation block comprising a first optocoupler, the first optocoupler providing electrical isolation from the power source for generating a first isolated switch-control signal in response to a switch-control input signal, the switch-control isolation block connected to provide the first isolated switch-control signal to the first solid state switch to thereby control an ON or OFF conduction state of the first solid state switch and corresponding current flow between the power source and the load through the one of the positive terminal and negative terminal.

The invention discloses a temperature field simulation method, device and equipment for an outdoor high-voltage isolation switch and a storage medium, belongs to the technical field of power transmission and transformation, and solves the problems that a calculation result is disjointed from an actual operation and maintenance environment and the application range is narrow due to the adoption of an existing power equipment temperature distribution method. The invention discloses a temperature field simulation method for an outdoor high-voltage isolating switch. The method comprises the following steps: establishing a multi-physical field coupling finite element model according to a geometric structure, air material parameters and rated current of a target outdoor high-voltage isolating switch; and calculating a three-dimensional temperature field of the target outdoor high-voltage isolation switch according with an actual operation state based on the multi-physics field coupling finite element model by taking a variable field distribution value meeting a convergence condition under a pre-calculated forced wind speed as an initial condition and combining the boundary condition. According to the invention, the real position and the temperature rise amplitude of the internal hot spot of the outdoor high-voltage isolation switch can be directly quantified, the result is more accurate and reliable, and misjudgment caused by environmental interference is not easy to occur.

The utility model is suitable for the field of photovoltaic technology, and especially relates to a photovoltaic confluence cabinet and a photovoltaic system. The photovoltaic confluence cabinet comprises a cabinet body and a plurality of branch loops, the cabinet body accommodates the branch loops, and the branch loops are arranged on at least one side of the cabinet body; each branch loop comprises an isolating switch, a fuse, a busbar and a frame circuit breaker; wherein the lower port of the isolating switch is connected with an external cable through a first wiring busbar, the upper port of the isolating switch is connected with the lower port of the fuse through a first branch bar, the upper port of the fuse is connected with the busbar through a second branch bar, the lower port of the frame circuit breaker is connected with the busbar, and the upper port of the frame circuit breaker is connected with the busbar. And the upper port of the frame circuit breaker is connected with external equipment through a second wiring busbar. According to the utility model, through the arrangement of the busbar, the layout of the branch loop is more compact, and the size and volume of the photovoltaic confluence cabinet are reduced.

The invention discloses a modeling method and system for a vehicle network field circuit coupling model under a contact line short-circuit working condition, and relates to the technical field of modeling, and the method comprises the following steps: constructing a short-circuit arc equivalent model under the contact line short-circuit working condition based on an isolation switch equivalent model, one end of the short-circuit arc equivalent model is connected with a contact line in sliding connection with a pantograph in the chain type lumped tau-shaped network model through a switch element, the other end of the short-circuit arc equivalent model is connected with a steel rail in the chain type lumped tau-shaped network model, and a vehicle network circuit model under the contact line short-circuit working condition is obtained; and taking the short-circuit arc current at any short-circuit phase obtained through simulation of the vehicle network circuit model as a current excitation source of the three-dimensional model, and obtaining a vehicle network field model under the contact line short-circuit working condition. The rise rate, peak value and attenuation process of the short-circuit current can be accurately simulated by adding the short-circuit arc, the arc voltage drop is reflected, and the authenticity and practicability of simulation are remarkably improved.

The invention provides an isolating switch performance monitoring system, which comprises a data acquisition module which at least comprises a current sensor and a signal conditioning circuit and is used for acquiring action current signals of a driving motor in an isolating switch in real time; the data processing module is used for performing filtering, noise reduction and time domain and frequency domain feature extraction on the received action current signal of the driving motor and establishing a corresponding waveform database according to the extracted features, and the waveform database at least comprises a normal waveform database and an abnormal waveform database; and the state evaluation module is used for comparing the real-time waveform with the reference waveform in the waveform database through a preset algorithm, identifying abnormal feature points existing in the real-time waveform and generating a corresponding performance evaluation result. Precise evaluation of the performance of the isolating switch is realized based on the current waveform of the driving motor.

The utility model provides an anti-impact connecting bolt fastening structure of a high-voltage isolating switch, and relates to the technical field of high-voltage switches, the anti-impact connecting bolt fastening structure comprises a high-voltage isolating switch base and a switch anti-impact bolt connecting assembly, through bolts penetrate through the inner sides of base bolt holes, the lower side of a bolt head rubber mat is provided with a back shore spring, and the back shore spring is connected with the switch anti-impact bolt connecting assembly. A limiting sleeve is connected to the outer side of the jacking spring in a sleeving mode, a nut rubber mat is arranged on the lower side of the limiting sleeve, a connecting nut is arranged on the lower side of the nut rubber mat, a metal locking nut is arranged on the lower side of the connecting nut, and due to the effective buffering effect of a damping rubber mat, damage of vibration to the base is remarkably reduced, and the service life of equipment is prolonged; and through rotation of the penetrating bolt, rapid mounting and dismounting can be achieved, firm and reliable connection is ensured, and through adjustment of the fastening strength of the penetrating bolt, impact loads under different working conditions can be flexibly coped with, and stable operation of equipment is ensured.

The invention discloses a super-fusion pole-mounted switch device, belongs to the technical field of switch devices, and discloses the super-fusion pole-mounted switch device which comprises a switch body, a power taking unit and a feeder terminal. The switch body comprises a deep fusion solid-sealed polar pole which is integrally poured, a vacuum arc extinguish chamber, an isolating switch contact and a voltage and current sensor are integrated in the switch body, and the electricity taking unit supplies power to the deep fusion solid-sealed polar pole through a separable spring electric contact structure; the feeder terminal is embedded in the switch box body and is operated in a hot-line mode through a special operating rod. The invention further provides a transient electromagnetic interference suppression module which is used for eliminating electromagnetic interference in the equipment. The CLC topological power taking unit can adapt to multiple working conditions; the state monitoring module is fused with multi-source data to diagnose faults, and the problems that an existing primary and secondary fusion column switch is low in fusion degree, weak in anti-electromagnetic interference, poor in electricity taking reliability and low in intelligence are solved. The equipment can supply power to the 10kV power distribution network intelligently, the reliability is improved, and the operation and maintenance cost is reduced.

The invention provides a device and a method for testing the corrosion resistance of a silver coating of a high-voltage isolating switch in a coastal electromagnetic environment. The device comprises a salt mist box connected with a power supply, an electric field generator, a magnetic field generator, a camera, a PLC (Programmable Logic Controller) control module and an acquisition and analysis module, the PLC control module is used for collecting environmental data and images shot by the camera, and regulating and controlling the salt mist box, the electric field generator and the magnetic field generator to simulate industrial atmosphere in a coastal electromagnetic environment based on the environmental data; and the acquisition and analysis module is used for analyzing the environmental data and images acquired by the PLC control module to obtain the corrosion resistance grade of the electrical contact sample. The device can simulate salt mist concentration, temperature and humidity, pollutants and an electromagnetic field during operation of high-voltage equipment in the coastal industrial atmospheric environment, comprehensively reproduce the actual service environment of the silver coating of the electrical contact of the high-voltage isolating switch, simulate the actual operation condition, evaluate the corrosion resistance of the silver coating of the electrical contact under the complex environmental condition, and improve the service life of the electrical contact. And linkage adjustment of multiple test parameters can be realized.

The application discloses a circuit breaker and isolating switch linkage device for pole-mounted circuit breaker, wherein a main shaft rotates, and an insulating pull rod assembly is driven to move through a main shaft crank; a shift fork block in the insulating pull rod assembly pushes an isolating pin shaft in an isolating transmission assembly to move, and an isolating switch contact is driven to move through an isolating connecting rod and an isolating clamp; when an isolating limiting crank arm contacts a support, the isolating switch is closed to a position, the shift fork block is disengaged from the isolating pin shaft, and the isolating transmission assembly is no longer pushed. Through the connection relationship among the main shaft assembly, the insulating pull rod assembly, the isolating transmission assembly and a circuit breaker transmission assembly, the linkage of the circuit breaker and the isolating switch and the required action time interval of normal operation are realized, and the influence of the electric force of the isolating switch contact on the action of the circuit breaker is avoided. The application has the advantages of simple structure, small size, small number of components, high reliability and long service life.

The utility model discloses a mechanical lock interlocking system for a grounding switch of a gas insulated switchgear, which belongs to the technical field of insulated switches and comprises a circuit breaker operating mechanism and a three-position operating mechanism which are mounted in a mechanism compartment. The grounding interlocking device is arranged between the low-voltage compartment and the high-voltage compartment in a penetrating manner below the mechanism compartment; wherein the three-station operating mechanism, the circuit breaker operating mechanism and the grounding interlocking device are sequentially distributed from top to bottom, and every two of the three-station operating mechanism, the circuit breaker operating mechanism and the grounding interlocking device are mechanically linked; the circuit breaker operating mechanism and the three-station operating mechanism are respectively connected with the circuit breaker and the three-station isolating switch in the inflatable compartment; a rear lower door plate is installed behind the high-voltage compartment cabinet, and the grounding interlocking device is connected with the rear lower door plate. Operation and maintenance personnel must operate in sequence when wanting to open the rear lower door plate of the high-voltage compartment; by adopting the mechanical interlocking, programmed step operation of an operator can be ensured, the reliability is higher, and the personal safety of the operation and maintenance personnel can be further ensured.

The embodiment of the invention provides a fault detection method and a model training method for an isolating switch in power equipment. The method comprises the following steps: detecting a current value of an isolating switch in power equipment, and obtaining a switch parameter set of the isolating switch in a preset time period; the switch parameter set comprises a current sequence, an angle sequence and a torque sequence; the preset time period is a corresponding time period when the current value of the isolating switch detected in real time is greater than or equal to a preset threshold value; the current sequence comprises a current value at each moment in a preset time period; the angle sequence comprises an angle value of each moment in a preset time period, and the torque sequence comprises a torque value of each moment in the preset time period; and inputting the current sequence, the angle sequence and the torque sequence in the switch parameter set into a preset fault identification model for fault identification processing to obtain a fault detection result of the isolation switch. The method is used for achieving the effect of accurately and quickly detecting the fault of the isolating switch of the power equipment.

A method to optimize control of high voltage disconnector is provided. The method comprises capturing data from the disconnect switch, analyzing the failure events based on the captured data using artificial intelligence, calculating and suggesting actions to be performed or maintenance steps to increase lifetime of the disconnect switch. A system to optimize control of high voltage disconnector comprises a plurality of sensing devices such as but not limited to intelligent and high-performance sensors and comprises detection, diagnostic and prognostic modules using the captured data to predict performance and status of the disconnect switch being monitored.

The invention relates to an intelligent state monitoring method and system for a high-voltage isolation switch operating mechanism, and relates to the technical field of power equipment fault diagnosis, and the method comprises the steps: enabling a collected real-time sequence to update a standard operation response potential energy surface, obtaining a real-time operation response potential energy surface, generating a phase response difference tensor through data projection, and obtaining a real-time operation response potential energy surface; and depicting deviation characteristics of actual and standard operation states. And then, in the constructed graph attention network, on the basis of a real-time sequence, monitoring parameters and video motion characteristics, constructing a multi-modal sequence state graph, and determining a state typing result through fine-grained recognition and interpretable analysis of a fault. And finally, introducing a cyclic fingerprint residual model, performing clustering optimization based on a real-time sequence, determining an abnormal deviation index, and combining the abnormal deviation index with a state typing result to determine a fault diagnosis result. Therefore, the accuracy of intelligent state monitoring of the high-voltage isolation switch operating mechanism can be effectively improved, and the method can be suitable for non-ideal environments, low dominant anomalies and other conditions.

The utility model belongs to the technical field of vacuum circuit breakers, and relates to an integrated indoor high-voltage vacuum circuit breaker, which comprises a metal underframe, an isolating switch, a grounding switch, a through-wall type solid-sealed polar pole, a vacuum arc-extinguishing chamber and an operating mechanism, and is characterized in that the isolating switch, the grounding switch, the through-wall type solid-sealed polar pole and the vacuum arc-extinguishing chamber are all mounted on the metal underframe; the isolating switch and the vacuum arc-extinguishing chamber are respectively arranged on two sides of the metal underframe and are electrically connected through a through-wall solid-sealed polar pole 11; and the operating mechanism is integrated with a five-prevention interlocking mechanism and is integrally arranged in the metal chassis, and corresponding linkage shafts in the operating mechanism are used for respectively controlling the opening and closing of the vacuum arc-extinguishing chamber, the isolating switch and the grounding switch in a transmission manner. The integrated structure is provided with the isolation station, the circuit breaker station and the grounding switch station, the operation is simple and convenient, the operation is safe and reliable, the whole body is more integrated, complete-set, miniaturized and safe, and the installation is simple, rapid and convenient.

The invention discloses a battery pack cathode overcharge safety protection structure with a self-cut-off function, the battery pack cathode overcharge safety protection structure comprises a protection shell, a battery cell groove and a device groove are arranged in the protection shell, and two rows of battery cell modules arranged in sequence are fixedly mounted in the battery cell groove; a BMS control module, a fusing structure and a mechanical circuit breaking module are installed in the device groove, and the fusing structure comprises an insulation box. According to the invention, the self-resetting fuse and the disposable fuse are connected in series, so that a response is made to an overshoot abnormal circuit which has transient fluctuation and cannot fuse the disposable disconnector, and temporary circuit break protection is realized, and therefore, the device can protect the circuit by using the double-type fuses connected in series, and the reliability of the circuit breaker is improved. The quick-melting fuse has the advantages that the replacement frequency of the quick-melting fuse is reduced, the overall stability is improved, meanwhile, the accuracy of troubleshooting along subsequent overhaul is facilitated, the risk of re-damage of the quick-melting fuse is reduced, and the safety and convenience are improved.

The invention discloses a high-voltage isolating switch operating mechanism which comprises a bottom plate for installing parts, an operating motor and a gear are arranged on the bottom plate, the operating motor drives the gear to rotate, a closing pawl and an opening pawl are arranged on one side face of the gear, and the closing pawl and the opening pawl are arranged on the other side face of the gear. The outer side of the gear is provided with a switching-on position tip and a switching-off position tip which are respectively corresponding to the switching-on pawl and the switching-off pawl. The gear is sleeved on the main shaft, a driving wheel is coaxially fixed on the main shaft, and a driving wheel closing convex edge and a driving wheel opening convex edge which respectively correspond to the closing pawl and the opening pawl are arranged on the driving wheel and are positioned between the closing pawl and the opening pawl. A two-way clutch and a motor controller are omitted, and the purposes of being simple in structure, low in cost, stable in performance and easy to operate are achieved.

The invention belongs to the technical field of electronic measurement and control, and particularly relates to a seamless switching method for a VI source voltage range, and the system comprises a digital controller, a digital-to-analog converter, a programmable gain amplifier, an isolation switch module, a voltage maintaining and buffering module, a power amplifier, and a feedback measurement network. The digital controller is configured to receive a range switching instruction, manage the working state of the VI source, execute digital closed-loop voltage regulation and coordinate actions of all hardware components in the range switching process; a digital voltage reference generation module, a measuring range switching control logic module, a loop adjusting module and a high-precision clock synchronization unit are integrated in the digital controller. According to the invention, seamless switching of the output voltage can be realized, the test efficiency is obviously improved, the protection of the tested device is enhanced, and the data continuity and accuracy are improved.

The invention discloses a linear kick rapid opening and closing control method for an isolating switch, and particularly relates to the technical field of opening and closing control of high-voltage isolating switches. Collecting a linear displacement signal between the conductive arm and the static contact and an electromagnetic driving current change curve, and constructing a kick behavior data matrix; establishing a multi-dimensional state energy threshold model based on the peak acceleration and the zero crossing point; combining a real-time current response curve to complete kick prediction trajectory fitting; fast phase torque compensation is carried out according to the current phase deviation angle, and an active suppression control pulse sequence is generated to realize kick phase locking; a damping recovery coefficient is further calculated based on aftershock feedback, an electromagnetic response factor at the moment of operation is fused, a final control instruction sequence is generated and output to a driving unit, and accurate and high-speed switching-on and switching-off operation is achieved; the method has the advantages of fast control response, strong anti-disturbance capability, high adaptability and the like, and is suitable for accurate control of the isolation switch in various complex power scenes.

The invention discloses a loop resistance measuring method, system and device, and relates to the technical field of electrical measurement. The method comprises the following steps of: performing loop data acquisition at each interface of the disconnecting switch adopting a three-channel wiring mode, injecting excitation current by an excitation source, and acquiring three-channel voltage original signals and initial sampling flow by a differential isolation amplifier to obtain the initial sampling flow; time sequence identification is carried out on the initial sampling flow to complete sample starting and ending point identification, inter-channel time alignment is completed, and a synchronous voltage sample set is output. According to the invention, by constructing a complete data chain covering high-precision synchronous sampling, adaptive signal processing, phase compensation calculation and intelligent statistical diagnosis, the problems of low measurement precision and insufficient anomaly identification capability caused by poor synchronism, phase error and lack of deep analysis in a traditional method are solved; the accuracy and anti-interference performance of loop resistance measurement and the intelligent level of state diagnosis are improved.

The invention belongs to the field of switch equipment, and particularly relates to a solid-sealed polar pole with a built-in double-break isolating switch, a circuit breaker and switch equipment. The solid-sealed polar pole with the built-in isolating switch comprises an insulating pouring body provided with a containing cavity, a vacuum arc-extinguishing chamber, a transition conductive part and a wire outlet end conductive part are fixedly connected to the insulating pouring body, the movable end of the vacuum arc-extinguishing chamber is movably connected with the transition conductive part, and the transition conductive part and the wire outlet end conductive part are connected and disconnected through ascending and descending of an isolating knife in the containing cavity. The transition conductive piece and the wire outlet end conductive piece are arranged on the two sides of the containing cavity in parallel and opposite modes, the isolation knife is parallel to the axis of the transition conductive piece and the axis of the wire outlet end conductive piece, and the isolation knife is provided with a switching-on position which is in conduction contact with the transition conductive piece and the wire outlet end conductive piece at the same time and a switching-off position which is separated from the transition conductive piece and the wire outlet end conductive piece at the same time. And when the isolation knife is in the opening position, a gap exists between the isolation knife and the inner wall of the accommodating cavity. The circuit breaker and the switch equipment both comprise solid-sealed polar poles.

The invention provides a packaging structure, a packaging method and electronic equipment. The packaging structure comprises a carrier plate which comprises a plurality of first holes, and the first holes penetrate through the carrier plate in the thickness direction of the carrier plate; a first conductive pillar filling the first hole; the first circuit layer is located on the first side of the carrier plate, and the first circuit layer is electrically connected with the first conductive columns; the second circuit layer is located on the second side of the carrier plate, the second circuit layer is electrically connected with the first conductive columns, and the first side and the second side are oppositely arranged; the at least one switch chip is located on the side, away from the carrier plate, of the first circuit layer, and the switch chip is electrically connected with the first circuit layer; the driving chip is located on the side, away from the carrier plate, of the second circuit layer, and the driving chip is electrically connected with the second circuit layer. According to the technical scheme provided by the invention, the heat between the switch chip and the driving chip is effectively isolated by using the carrier plate, and the heat influence of the switch chip on the driving chip is reduced, so that the reliability of the whole packaging structure is improved.

The utility model relates to a standardized gap lightning arrester with an insulation support and a fault indication function, which comprises a standardized gap lightning arrester body, the insulation support is mounted at the lower end of the standardized gap lightning arrester body, a disconnector is mounted at the lower end of the insulation support, and a second screw is mounted at the tail end of the disconnector. A mounting hole is formed in one side, far away from the lower end of the standard gap lightning arrester body, of the insulating bracket, the mounting hole in the insulating bracket is connected with the mounting hole in the metal bracket through a first screw, and a second screw at the tail end of the disconnector is connected with the first screw at the joint of the insulating bracket and the metal bracket through a copper wire woven belt. According to the utility model, the disconnector, the insulating bracket and the metal bracket are arranged on the standard gap lightning arrester body, so that when the lightning arrester is broken down by lightning stroke, the disconnector falls off and forms a fault mark, operation and maintenance personnel can easily find a fault point and can carry out targeted maintenance, and meanwhile, due to the insulating bracket, secondary accidents can be avoided.

This invention discloses a pole-type environmentally friendly gas-insulated switchgear, belonging to the field of switchgear. It includes a gas cabinet with a sealed environmentally friendly gas chamber inside. An isolating bracket and a pole-type bracket are both fixedly installed within the environmentally friendly gas chamber. A disconnecting switch is fixedly mounted on the isolating bracket, with its upper end electrically connected to an upper conductive terminal. A pole-type circuit breaker is fixedly mounted on the pole-type bracket, with its upper end electrically connected to the lower end of the disconnecting switch. The lower end of the pole-type circuit breaker is electrically connected to a lower conductive terminal. The upper conductive terminal is sealed on the upper part of the environmentally friendly gas chamber, and the lower conductive terminal is sealed on the lower part of the environmentally friendly gas chamber. Through the rational installation and structural improvements of the upper and lower conductive terminals, the disconnecting switch, the pole-type circuit breaker, the isolating bracket, and the pole-type bracket within the gas cabinet, the connections between these components are more compact, the environmentally friendly gas chamber is smaller, and leakage is less likely, effectively ensuring the safety of the entire device.

This invention discloses a method for determining the unloaded bus current and a busbar switching control method using the same method. The method for determining the unloaded bus current includes the following steps: A1. Installing current sensors on the porcelain bushings of the circuit breakers on the unloaded busbar side of each phase; A2. Connecting each current sensor to a multi-channel waveform recorder to obtain the maximum capacitive current of each phase unloaded busbar through the multi-channel waveform recorder; A3. Obtaining the maximum capacitive current value of the unloaded busbar. The busbar switching control method includes selecting the threshold value for operating the unloaded busbar with the disconnecting switch according to the rated voltage level of the busbar; and selecting the disconnecting switch or the circuit breaker on the unloaded busbar side to control the switching operation of the corresponding unloaded busbar according to the maximum capacitive current and the threshold value. This invention can flexibly adjust the threshold values ​​for operating the unloaded busbar with the current sensors and disconnecting switches according to the rated voltage level of the busbar, which has good engineering adaptability, is more in line with the actual situation on the engineering site, has good performance, and is easy to promote and use.

The application discloses a kind of disconnecting switch assembly post-shaping device and method, including pedestal, vertical quick clamp, pressing plate, multiple pressing blocks and multiple pairs of the same number and symmetrically matched positioning blocks, each pair of positioning blocks is respectively provided with left and right positioning slots corresponding to the left and right side contour shape of standard disconnecting switch in the opposite lower surface of each other, multiple placement slots are provided on the pedestal, the same number as the pressing block, multiple pairs of positioning blocks are vertically inserted into the placement slot, multiple pressing blocks are correspondingly vertically placed between multiple pairs of positioning blocks, and the top end is stretched out of the placement slot and the pressing plate is jointly pressed, vertical quick clamp is installed on the pedestal and is used to compress or loosen the pressing plate, when in working condition, multiple disconnecting switches are correspondingly clamped between multiple pairs of positioning blocks, and multiple pressing blocks are correspondingly compressed on multiple disconnecting switches under the action of vertical quick clamp.The application solves the technical problem of how to simultaneously shape multiple assembled disconnecting switches with quality assurance.

This invention discloses a method, apparatus, equipment, and medium for defect determination in substations. The method includes: acquiring disconnector parameter information corresponding to each disconnector switch opening of a target disconnector switch; the parameter information includes disconnector switch crank arm parameters, disconnector switch connecting rod parameters, and disconnector switch mechanical parameters; determining insulator rotation parameter information corresponding to each disconnector switch opening based on the disconnector switch parameter information and preset constraint equations; determining defect threshold information corresponding to the insulator rotation parameter information; determining the defect type based on the insulator rotation parameter information and the defect threshold information; and generating defect warning information corresponding to the defect type. This method enables the determination of whether a disconnector switch has a defect based on the parameter information of each disconnector switch opening, and generates corresponding defect warning information, thus minimizing losses caused by switch damage.

This invention relates to the field of insulation testing technology, specifically to a method and system for controlling insulation testing of GIS (Gas Insulation System). The method includes the following steps: acquiring the GIS under test and insulation test requirements, generating a target state queue; collecting the electrical feedback status of the GIS control cabinet to form a first criterion, collecting the actual mechanical positions of switches, disconnectors, and grounding switches to form a second criterion, and obtaining standard real-time state data through synchronous processing; constructing a GIS test state model based on the target state queue and the standard real-time state data, determining whether the current state is consistent with the target state, outputting a state adjustment command when inconsistent, and triggering a lightning impulse test, power frequency withstand voltage test, or partial discharge test when consistent and meeting the test permitting conditions; and switching to the next target state or resetting to the initial state after the test is completed. This invention improves the accuracy, efficiency, and safety of GIS insulation test state confirmation.