CN114994428A - Comprehensive simulation circuit breaker device - Google Patents
Comprehensive simulation circuit breaker device Download PDFInfo
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- CN114994428A CN114994428A CN202210408742.2A CN202210408742A CN114994428A CN 114994428 A CN114994428 A CN 114994428A CN 202210408742 A CN202210408742 A CN 202210408742A CN 114994428 A CN114994428 A CN 114994428A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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Abstract
The application relates to a comprehensive simulation circuit breaker device, which comprises a circuit breaker simulation current output module, a circuit breaker delay characteristic measuring module, a circuit breaker current monitoring module and a circuit breaker current value output module, wherein the circuit breaker simulation current output module is respectively connected with the circuit breaker delay characteristic measuring module, the circuit breaker current monitoring module and the circuit breaker current value output module; the circuit breaker simulation current output module is used for outputting tripping and closing simulation current according to tripping and closing signals after the tripping and closing signals of the simulated real circuit breaker are obtained; the circuit breaker delay characteristic measurement module is used for obtaining tripping and closing delay parameters according to the tripping and closing simulation current; the circuit breaker current monitoring module is used for monitoring tripping and closing simulation currents, outputting fault information and monitoring whether a real circuit breaker has a fault; and the circuit breaker current value output module outputs the current value of the tripping and closing simulation current. By adopting the method, the working conditions of various circuit breakers can be simulated simultaneously.
Description
Technical Field
The application relates to the technical field of simulation circuit breakers, in particular to a comprehensive simulation circuit breaker device.
Background
The relay protection device can protect the power system, and when a fault occurs in a power element (such as a generator, a line and the like) in the power system or the power system, and the power system is endangered to safely operate, the relay protection device can send a warning signal to an operator on duty in time or directly send a trip command to a controlled circuit breaker. With the increase of relay protection devices in power grids, performance maintenance tests of the relay protection devices become important. The performance maintenance test of the relay protection device depends on the performance state of the circuit breaker, and the mechanical performance of the circuit breaker is directly influenced by the opening and closing times of the circuit breaker.
The simulation circuit breaker can truly simulate the tripping and closing time of the circuit breaker, and when the relay protection device is tested in a whole set, the simulation circuit breaker can simulate the tripping and closing of the high-voltage circuit breaker so as to avoid adverse effects caused by repeated switching-on and switching-off of the circuit breaker due to repeated testing of the whole set of the relay protection device.
However, current analog circuit breakers have poor performance.
Disclosure of Invention
Therefore, it is necessary to provide a comprehensive simulation circuit breaker device capable of simulating multiple working conditions of a circuit breaker simultaneously in order to solve the technical problems.
The application provides a comprehensive simulation circuit breaker device, which comprises a circuit breaker simulation current output module, a circuit breaker delay characteristic measuring module, a circuit breaker current monitoring module and a circuit breaker current value output module, wherein the circuit breaker simulation current output module is respectively connected with the circuit breaker delay characteristic measuring module, the circuit breaker current monitoring module and the circuit breaker current value output module; the circuit breaker simulation current output module is used for acquiring tripping and closing signals of a simulated real circuit breaker and outputting tripping and closing simulation current according to the tripping and closing signals, and the tripping and closing simulation current is used for simulating the current of the real circuit breaker when tripping and closing occur; the circuit breaker delay characteristic measuring module is used for acquiring delay parameters representing the tripping and closing delay characteristics of a real circuit breaker according to the tripping and closing simulation current; the circuit breaker current monitoring module is used for monitoring tripping and closing simulation current and outputting fault information in the monitoring process, wherein the fault information is used for representing whether a real circuit breaker breaks down or not; and the circuit breaker current value output module is used for outputting the current value of the tripping and closing simulation current.
In one embodiment, the comprehensive simulation circuit breaker device further comprises a simulation loop module, wherein the simulation loop module is in signal connection with the real circuit breaker and is connected with the circuit breaker simulation current output module; and the analog loop module is used for receiving tripping and closing signals of a real circuit breaker and sending the tripping and closing signals to the circuit breaker analog current output module.
In one embodiment, the analog loop module is specifically configured to send a trip signal to the circuit breaker analog current output module after receiving the trip signal of the real circuit breaker; the analog loop module is specifically used for sending a closing signal to the circuit breaker analog current output module after receiving the closing signal of the real circuit breaker; and the analog loop module is specifically used for selecting one of the closing signal and the tripping signal according to a preset priority order and sending the selected signal to the circuit breaker analog current output module after receiving the closing signal and the tripping signal at the same time.
In one embodiment, the priority order is an order in which the tripping signal has a higher priority than the closing signal.
In one embodiment, the analog loop module includes an IGBT module and a resistance-capacitance element.
In one embodiment, the circuit structure in the circuit breaker analog current output module is arranged according to the circuit structure in the real circuit breaker.
In one embodiment, the circuit breaker analog current output module includes a magnetic latching relay, a time delay relay, a momentary relay, an impedance, a capacitor, and an IGBT element.
In one embodiment, the circuit breaker delay characteristic measuring module comprises a current consumption unit and a measuring unit; the current absorption unit is used for absorbing the tripping and closing simulation current; and the measurement unit is used for measuring the mechanical stroke of the simulation execution mechanism when the consumption processing of the current consumption unit reaches the preset time length, and determining the response delay of the execution mechanism in the real circuit breaker according to the mechanical stroke, wherein the simulation execution mechanism is used for simulating the execution mechanism in the real circuit breaker.
In one embodiment, the measurement unit comprises a position monitoring element; the position monitoring element is used for measuring the mechanical stroke of the analog actuator.
In one embodiment, the analog actuator includes a time delay relay and a capacitor element.
In one embodiment, the circuit breaker current monitoring module comprises a monitoring unit and an alarm unit; the monitoring unit is used for acquiring tripping and closing simulation current and outputting measurement voltage corresponding to the tripping and closing simulation current to the alarm unit; and the alarm unit is used for outputting alarm information under the condition that the measured voltage is greater than the preset voltage threshold, and the alarm information is used for indicating that the real circuit breaker breaks down.
In one embodiment, the circuit breaker current value output module comprises a current conversion unit and a current value output unit; the current conversion unit is used for converting the current output by the current value output module of the circuit breaker; and the current value output unit is used for outputting the current value converted by the current conversion unit.
The application provides a comprehensive simulation circuit breaker device, which comprises a circuit breaker simulation current output module, a circuit breaker delay characteristic measuring module, a circuit breaker current monitoring module and a circuit breaker current value output module, wherein the circuit breaker simulation current output module is respectively connected with the circuit breaker delay characteristic measuring module, the circuit breaker current monitoring module and the circuit breaker current value output module; the circuit breaker simulated current output module is used for outputting tripping and closing simulated current according to the obtained tripping and closing signal after the tripping and closing signal of the simulated real circuit breaker is obtained, so that the current of the real circuit breaker during tripping and closing is simulated; the circuit breaker delay characteristic measurement module can obtain tripping and closing delay parameters according to tripping and closing simulation current so as to reflect tripping and closing delay characteristics of a real circuit breaker; the circuit breaker current monitoring module monitors the tripping and closing simulation current and outputs fault information in the monitoring process to monitor whether a real circuit breaker has a fault; and the circuit breaker current value output module can output the current value of the tripping and closing simulation current. By utilizing the comprehensive simulation circuit breaker device, tripping and closing currents of a real circuit breaker are simulated through the circuit breaker simulation current output module, tripping and closing time delay characteristics of the real circuit breaker are simulated through the circuit breaker time delay characteristic measurement module, and different characteristics of the circuit breaker can be simulated by outputting the current value of the tripping and closing simulation currents through the circuit breaker current value output module, so that the simultaneous simulation of multiple circuit breaker working conditions is realized, and the performance of the simulation circuit breaker is improved.
Drawings
FIG. 1 is a block diagram of a circuit for an integrated circuit analog circuit breaker device according to one embodiment;
FIG. 2 is a block diagram of another embodiment of a circuit for a synthetic analog circuit breaker device;
FIG. 3 is a block circuit diagram of an analog loop module in another embodiment;
FIG. 4 is a circuit diagram of a circuit breaker delay characteristic measurement module in another embodiment;
FIG. 5 is a circuit block diagram of a circuit breaker current monitoring module in another embodiment;
FIG. 6 is a circuit block diagram of a circuit breaker current value output module in another embodiment;
fig. 7 is a circuit block diagram of a synthetic analog circuit breaker apparatus in another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying a number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Fig. 1 is a structural diagram of an integrated circuit breaker device according to an embodiment of the present application. As shown in fig. 1, the integrated circuit breaker simulation device includes a circuit breaker simulation current output module 11, a circuit breaker delay characteristic measurement module 12, a circuit breaker current monitoring module 13, and a circuit breaker current value output module 14, wherein the circuit breaker simulation current output module 11 is connected to the circuit breaker delay characteristic measurement module 12, the circuit breaker current monitoring module 13, and the circuit breaker current value output module 14, respectively.
In an alternative embodiment, the integrated circuit breaker simulator is connected to a real circuit breaker loop of a power system to be simulated, and is used for simulating technical parameters of tripping current and closing current of different scenes of the real circuit breaker. The input end of the circuit breaker simulated current output module 11 is connected to a real circuit breaker loop simulated by the power system, and the output end of the circuit breaker simulated current output module 11 is connected to the input ends of the circuit breaker delay characteristic measurement module 12, the circuit breaker current monitoring module 13 and the circuit breaker current value output module 14 through wires.
The circuit breaker simulation current output module 11 is used for acquiring tripping and closing signals of a simulated real circuit breaker and outputting tripping and closing simulation current according to the tripping and closing signals, wherein the tripping and closing simulation current is used for simulating current of the real circuit breaker when tripping and closing occur; the circuit breaker delay characteristic measurement module 12 is used for acquiring a delay parameter representing the tripping and closing delay characteristic of a real circuit breaker according to the tripping and closing simulation current; the circuit breaker current monitoring module 13 is used for monitoring the tripping and closing simulation current and outputting fault information in the monitoring process, wherein the fault information is used for representing whether a real circuit breaker breaks down; and the circuit breaker current value output module 14 is used for outputting the current value of the tripping and closing analog current.
In an optional implementation manner, the simulated real breaker outputs a trip signal and a close signal, the breaker analog current output module 11 outputs a corresponding trip analog current or close analog current after acquiring the trip signal or close signal output by the simulated real breaker, at this time, the magnitude of the trip analog current is equivalent to the magnitude of current generated inside the breaker when the simulated real breaker trips, and the magnitude of the close analog current is equivalent to the magnitude of current generated inside the breaker when the simulated real breaker closes.
Optionally, the tripping simulation current or the closing simulation current output by the breaker simulation current output module 11 is output to the breaker delay characteristic measurement module 12, because the real breaker structure has an executing mechanism such as a rotating motor, a certain delay time exists when the tripping and closing of the real breaker occur, and the delay parameter of the simulated real breaker can be obtained through the breaker delay characteristic measurement module 12.
In the embodiment of the present application, the circuit breaker current monitoring module 13 is configured to monitor an input tripping and closing simulation current, and when the monitored tripping and closing simulation current is abnormal, if the current is too large, fault information is output at this time.
Optionally, the circuit breaker current value output module 14 may output the tripping and closing simulation current value output by the circuit breaker simulation current output module 11, and since the tripping and closing simulation current simulates a current when a real circuit breaker trips and closes, a current magnitude when the simulated real circuit breaker trips and closes may be obtained.
In this embodiment, the integrated analog circuit breaker device includes a circuit breaker analog current output module, a circuit breaker delay characteristic measurement module, a circuit breaker current monitoring module and a circuit breaker current value output module, wherein the circuit breaker analog current output module is respectively connected with the circuit breaker delay characteristic measurement module, the circuit breaker current monitoring module and the circuit breaker current value output module; the circuit breaker simulated current output module is used for outputting tripping and closing simulated current according to the obtained tripping and closing signal after the tripping and closing signal of the simulated real circuit breaker is obtained, so that the current of the real circuit breaker during tripping and closing is simulated; the circuit breaker delay characteristic measurement module can obtain tripping and closing delay parameters according to tripping and closing simulation current so as to reflect tripping and closing delay characteristics of a real circuit breaker; the circuit breaker current monitoring module monitors the tripping and closing simulation current and outputs fault information in the monitoring process to monitor whether a real circuit breaker has a fault; and the circuit breaker current value output module can output the current value of the tripping and closing simulation current. By utilizing the comprehensive simulation circuit breaker device, tripping and closing currents of a real circuit breaker are simulated through the circuit breaker simulation current output module, tripping and closing time delay characteristic parameters of the real circuit breaker are simulated through the circuit breaker time delay characteristic measurement module, and different characteristics of the circuit breaker can be simulated at the same time by outputting the current value of the tripping and closing simulation current through the circuit breaker current value output module, so that the simultaneous simulation of multiple circuit breaker working conditions is realized, and the performance of simulating the circuit breaker is improved.
In an alternative embodiment, as shown in fig. 2, the integrated analog circuit breaker device further includes an analog loop module 21, wherein the analog loop module 21 is connected with the real circuit breaker signal and connected with the circuit breaker analog current output module 11; the analog loop module 21 is configured to receive tripping and closing signals of a real circuit breaker, and send the tripping and closing signals to the circuit breaker analog current output module 11.
The simulation loop module 21 is connected to a real circuit breaker to be simulated, receives a tripping and closing signal output by the real circuit breaker, and outputs the tripping and closing signal to an input end of the circuit breaker simulation current output module 11.
In the embodiment of the present application, as shown in fig. 3, the analog loop module 30 includes an IGBT module 31 and a resistance-capacitance element 32.
The IGBT module 31 is a modular semiconductor product formed by bridge-packaging an IGBT (insulated gate bipolar transistor chip) and an FWD (freewheeling diode chip) through a specific circuit, wherein the IGBT can adjust voltage, current, frequency, phase, and the like in the circuit according to a signal instruction in an industrial device, so as to implement precise control. The resistive-capacitive element 32 includes a resistor and a capacitor. The analog loop module 30 controls the on and off of the circuit through the IGBT module 31 and the resistance-capacitance element 32, so as to select an input signal.
In an optional implementation manner, the analog loop module is specifically configured to send a trip signal to the circuit breaker analog current output module after receiving the trip signal of the real circuit breaker; the analog loop module is specifically used for sending a closing signal to the circuit breaker analog current output module after receiving the closing signal of the real circuit breaker; and the analog loop module is specifically used for selecting one of the closing signal and the tripping signal according to a preset priority order and sending the selected signal to the circuit breaker analog current output module after receiving the closing signal and the tripping signal at the same time.
The analog circuit module receives a tripping signal or a closing signal of a real circuit breaker, sends the received signal to the circuit breaker analog current output module when receiving one signal, such as the tripping signal or the closing signal, and selects the tripping signal and the closing signal according to a certain priority sequence and sends the selected signal to the circuit breaker analog current output module when receiving the two signals.
In an alternative embodiment, the priority order is such that the tripping signal has a higher priority than the closing signal.
In the embodiment of the application, the circuit structure in the circuit breaker analog current output module is arranged according to the circuit structure in the real circuit breaker.
The circuit structure in the circuit breaker simulation current output module is set according to the circuit structure in the real circuit breaker, wherein, selection elements such as dial switches can be included, and the simulation of currents with different sizes is realized by setting different switch states.
In an alternative embodiment of the present application, the circuit breaker analog current output module includes a magnetic latching relay, a time delay relay, a momentary relay, an impedance, a capacitor, and an IGBT element.
Optionally, the circuit breaker analog current output module forms an analog tripping circuit and a closing circuit through a magnetic latching relay, a time delay relay, an instantaneous relay, an impedance, a capacitor and an IGBT element, and realizes the simulation of the magnitude of the real tripping current and closing current of the circuit breaker through modes such as rectification, current limiting and the like.
In an alternative embodiment, as shown in fig. 4, the circuit breaker delay characteristic measuring module includes a current consumption unit 41 and a measuring unit 42; the current absorbing unit 41 is configured to absorb the tripping and closing analog current; and the measuring unit 42 is used for measuring the mechanical stroke of the simulation executing mechanism when the consumption processing of the current consumption unit reaches the preset time length, and determining the response delay of the executing mechanism in the real circuit breaker according to the mechanical stroke, wherein the simulation executing mechanism is used for simulating the executing mechanism in the real circuit breaker.
The current consumption means that current generated in the circuit is digested and absorbed, and the current consumption unit 41 in the embodiment of the present application is connected to the circuit breaker simulated current output module 11, and consumes tripping and closing simulated current of a real circuit breaker output by the circuit breaker simulated current output module 11. The measuring unit 42 may control the current consumption time, for example, when the closing delay time is 5s, that is, the current consumption time reaches 5s, at this time, the measuring unit 42 measures the mechanical stroke of the analog actuator, thereby determining the response delay of the actuator such as the rotating electrical machine in the real circuit breaker.
Wherein the measurement unit comprises a position monitoring element; the position monitoring element is used for measuring the mechanical stroke of the analog actuator.
Alternatively, the position monitoring element may be a sensor to monitor the mechanical travel of the analog actuator after a certain delay time.
Wherein the analog actuator comprises a time delay relay and a capacitor element. The action and the characteristic of actuating mechanisms such as a rotating motor in a real circuit breaker are simulated.
In the embodiment of the present application, as shown in fig. 5, the circuit breaker current monitoring module includes a monitoring unit 51 and an alarm unit 52; the monitoring unit 51 is configured to obtain a tripping and closing simulation current, and output a measurement voltage having a corresponding relationship with the tripping and closing simulation current to the alarm unit 52; and the alarm unit 52 is configured to output alarm information when the measured voltage is greater than the preset voltage threshold, where the alarm information is used to indicate that a real circuit breaker fails.
Optionally, the monitoring unit 51 is connected to the circuit breaker analog current output module 11 through a wire, the resistance value of the load of the monitoring unit 51 is a known fixed value, when the tripping and closing analog current output by the circuit breaker analog current output module 11 is input to the monitoring unit 51, the measurement voltage of the load is obtained through the monitoring unit 51, and is output to the alarm unit 52, and the alarm unit 52 judges the measurement voltage through a preset comparator and other circuits. The preset voltage threshold value is the product of the tripping and closing simulation current and the known load resistance value, when the measured voltage is larger than the preset voltage threshold value, the load resistance value is a fixed value, namely that the tripping and closing simulation current is abnormal, and alarm information is output at the moment.
In an alternative embodiment, as shown in fig. 6, the breaker current value output module includes a current converting unit 61 and a current value output unit 62; a current conversion unit 61 for converting the current output by the breaker current value output module 11; a current value output unit 62 for outputting the current value converted by the current conversion unit 61.
The current conversion unit 61 is connected to the breaker analog current output module 11 through a wire, converts current through the current conversion circuit, converts tripping and closing analog current output by the breaker analog current output module 11 into a current signal of 4-20mA, and the current value output unit 62 is connected to the current conversion unit 61 and outputs a current value of 4-20mA output by the current conversion unit 61.
In this way, the external device can acquire the current value output by the current value output unit and obtain the magnitude of the tripping and closing simulation current value through conversion in a certain proportion.
Further, an overall block diagram of the integrated analog circuit breaker device is shown in fig. 7.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (12)
1. A comprehensive simulation circuit breaker device is characterized by comprising a circuit breaker simulation current output module, a circuit breaker delay characteristic measuring module, a circuit breaker current monitoring module and a circuit breaker current value output module, wherein the circuit breaker simulation current output module is respectively connected with the circuit breaker delay characteristic measuring module, the circuit breaker current monitoring module and the circuit breaker current value output module;
the circuit breaker simulation current output module is used for acquiring tripping and closing signals of a simulated real circuit breaker and outputting tripping and closing simulation current according to the tripping and closing signals, and the tripping and closing simulation current is used for simulating the current of the real circuit breaker when tripping and closing occur;
the circuit breaker delay characteristic measuring module is used for acquiring a delay parameter representing the tripping and closing delay characteristic of the real circuit breaker according to the tripping and closing simulation current;
the circuit breaker current monitoring module is used for monitoring the tripping and closing simulation current and outputting fault information in the monitoring process, wherein the fault information is used for representing whether the real circuit breaker breaks down or not;
and the circuit breaker current value output module is used for outputting the current value of the tripping and closing simulation current.
2. The integrated circuit breaker apparatus of claim 1 further comprising an analog loop module signally connected to the real circuit breaker and connectable to the circuit breaker analog current output module;
the analog loop module is used for receiving tripping and closing signals of the real circuit breaker and sending the tripping and closing signals to the circuit breaker analog current output module.
3. The integrated circuit breaker simulator of claim 2, wherein the simulation loop module is configured to send the trip signal to the breaker simulation current output module after receiving the trip signal of the real breaker;
the analog loop module is specifically used for sending a closing signal to the circuit breaker analog current output module after receiving the closing signal of the real circuit breaker;
the analog loop module is specifically configured to select one of the closing signal and the tripping signal according to a preset priority order and send the selected one to the circuit breaker analog current output module after receiving the closing signal and the tripping signal at the same time.
4. The integrated analog circuit breaker apparatus of claim 3 wherein the priority order is an order in which the tripping signal has a higher priority than the closing signal.
5. The integrated analog circuit breaker device of any of claims 2 to 4, wherein the analog loop module comprises an IGBT module and a resistive-capacitive element.
6. The integrated analog circuit breaker apparatus of claim 1 wherein the circuit configuration in the breaker analog current output module is arranged in accordance with the circuit configuration in the real circuit breaker.
7. The integrated analog circuit breaker apparatus of claim 6 wherein said breaker analog current output module comprises magnetic latching relays, time delay relays, momentary relays, impedances, capacitors, and IGBT components.
8. The integrated analog circuit breaker apparatus of claim 1, wherein the circuit breaker delay characteristic measurement module comprises a current consumption unit and a measurement unit;
the current absorption unit is used for absorbing the tripping and closing simulation current;
the measuring unit is used for measuring the mechanical stroke of the simulation executing mechanism when the consumption processing of the current consumption unit reaches the preset time length, and determining the response delay of the executing mechanism in the real circuit breaker according to the mechanical stroke, and the simulation executing structure is used for simulating the executing mechanism in the real circuit breaker.
9. The integrated analog circuit breaker device of claim 8 wherein said measuring unit includes a position monitoring element;
the position monitoring element is used for measuring the mechanical stroke of the analog actuating mechanism.
10. The integrated analog circuit breaker apparatus of claim 8 wherein said analog actuator comprises a time delay relay and a capacitor element.
11. The integrated analog circuit breaker apparatus of claim 1 wherein said circuit breaker current monitoring module comprises a monitoring unit and an alarm unit;
the monitoring unit is used for acquiring the tripping and closing simulation current and outputting a measurement voltage which corresponds to the tripping and closing simulation current to the alarm unit;
and the alarm unit is used for outputting alarm information under the condition that the measured voltage is greater than a preset voltage threshold, and the alarm information is used for indicating that the real circuit breaker breaks down.
12. The integrated analog circuit breaker apparatus of claim 1, wherein the circuit breaker current value output module includes a current converting unit and a current value output unit;
the current conversion unit is used for converting the current output by the current value output module of the circuit breaker;
and the current value output unit is used for outputting the current value converted by the current conversion unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210408742.2A CN114994428A (en) | 2022-04-19 | 2022-04-19 | Comprehensive simulation circuit breaker device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210408742.2A CN114994428A (en) | 2022-04-19 | 2022-04-19 | Comprehensive simulation circuit breaker device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116430221A (en) * | 2023-05-09 | 2023-07-14 | 国网江苏省电力有限公司宿迁供电分公司 | Test data simulation method, system, medium and test system for photovoltaic grid-connected circuit breaker |
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- 2022-04-19 CN CN202210408742.2A patent/CN114994428A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116430221A (en) * | 2023-05-09 | 2023-07-14 | 国网江苏省电力有限公司宿迁供电分公司 | Test data simulation method, system, medium and test system for photovoltaic grid-connected circuit breaker |
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