CN219458910U - Transformer abnormal sound solving system - Google Patents
Transformer abnormal sound solving system Download PDFInfo
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- CN219458910U CN219458910U CN202320422246.2U CN202320422246U CN219458910U CN 219458910 U CN219458910 U CN 219458910U CN 202320422246 U CN202320422246 U CN 202320422246U CN 219458910 U CN219458910 U CN 219458910U
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Abstract
The utility model discloses a transformer abnormal sound solving system. The abnormal sound solving system of the transformer comprises a transformer body, a compensation module and a switch module; the transformer body comprises a low-voltage side, the low-voltage side is electrically connected with a low-voltage side grounding wire, and the compensation module is electrically connected to the low-voltage side grounding wire; the switch module is electrically connected with the compensation module and is used for controlling the input and the cut-out of the compensation module; the compensation module is used for being electrically connected between the low-voltage side and the ground when being thrown so as to reduce the capacitance to the ground, and is used for disconnecting the electric connection with the low-voltage side when being cut off. By adopting the scheme, the problem that the stable operation of the transformer is seriously affected by abnormal sound emitted by the transformer in the switching-off process is solved.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a transformer abnormal sound solving system.
Background
The transformer is used as one of three power supplies of a nuclear power plant, is also the earliest available debugging power supply, provides power for debugging of a downstream process system in the early stage of unit debugging, and whether the transformer is stable or not directly influences the development of debugging work.
However, when the nuclear power plant transformer transmits power for the first time, the transformer gives out abnormal sound of bang bang in the switching-off process, and the stable operation of the transformer is seriously affected.
Disclosure of Invention
The utility model provides a system for solving abnormal sound of a transformer, which is used for solving the problem that the abnormal sound of the transformer in the switching-off process seriously affects the stable operation of the transformer.
According to one aspect of the utility model, a transformer abnormal sound solving system is provided, and the transformer abnormal sound solving system comprises a transformer body, a compensation module and a switch module;
the transformer body comprises a low-voltage side, the low-voltage side is electrically connected with a low-voltage side grounding wire, and the compensation module is electrically connected to the low-voltage side grounding wire;
the switch module is electrically connected with the compensation module and is used for controlling the input and the cut-out of the compensation module;
the compensation module is used for being electrically connected between the low-voltage side and the ground when being thrown so as to reduce the capacitance to the ground, and is used for disconnecting the electric connection with the low-voltage side when being cut off.
In an alternative embodiment of the utility model, one end of the switch module is electrically connected with the low voltage side, and the other end of the switch module is electrically connected with the compensation module;
and/or the compensation module comprises a reactor.
In an alternative embodiment of the present utility model, the abnormal noise solving system of the transformer further includes a monitoring device, where the monitoring device is configured to monitor an actual operation parameter of the transformer body, where the actual operation parameter includes at least one of a high voltage side voltage of the transformer, a high voltage side current of the transformer, a low voltage side voltage of the transformer, a local discharge amount, and noise information.
In an alternative embodiment of the utility model, the monitoring device comprises at least one of:
a current-voltage monitoring module for monitoring at least one of the transformer high-side voltage, the transformer high-side current, and the transformer low-side voltage of the transformer body;
the partial discharge monitoring module is used for monitoring the partial discharge of the transformer body;
and the sound monitoring module is used for monitoring the noise information of the transformer body.
In an alternative embodiment of the utility model, the current-voltage monitoring module comprises a waveform recorder, and the transformer body comprises a high-voltage side end screen, a high-voltage secondary side terminal and a low-voltage side secondary side terminal;
the waveform recorder is electrically connected with at least one of the high-voltage side end screen, the high-voltage secondary side terminal and the low-voltage side secondary side terminal so as to monitor at least one of the high-voltage side voltage of the transformer, the high-voltage side current of the transformer and the low-voltage side voltage of the transformer in the switching process.
In an alternative embodiment of the present utility model, the partial discharge monitoring module includes a current transformer, and the transformer body further includes a core, and the core is electrically connected to a core ground wire;
the current transformer is mounted on the core grounding wire to monitor the partial discharge amount of the transformer body.
In an alternative embodiment of the utility model, the sound monitoring module comprises an ultrasonic sensor, the transformer body further comprises a transformer oil tank, the transformer oil tank comprises a low-pressure side oil tank and a high-pressure side oil tank, and the ultrasonic sensor is arranged on the surface of at least one of the low-pressure side oil tank and the high-pressure side oil tank and is used for monitoring the noise information of the transformer body.
In an alternative embodiment of the present utility model, the abnormal sound resolution system of the transformer further includes a fault analysis device;
the input end of the fault analysis device is electrically connected with the monitoring device, and the fault analysis device is used for determining a fault reason based on the actual operation parameters.
In an optional embodiment of the present utility model, the transformer abnormal sound solving system further includes a simulation device, where the simulation device is configured to simulate the transformer body to obtain simulation parameters;
the first input end of the fault analysis device is electrically connected with the monitoring device, the second input end of the fault analysis device is electrically connected with the simulation device, and the fault analysis device is used for determining a fault reason based on the actual operation parameters and the simulation parameters.
In an alternative embodiment of the utility model, the number of the transformer bodies is a plurality.
According to the technical scheme, the compensation module and the switch module are arranged, the switch module controls the input and the cut-out of the compensation module, the compensation module is electrically connected between the low-voltage side and the ground when being input so as to reduce the capacitance to the ground, and the compensation module is disconnected from the electrical connection with the low-voltage side when being cut-out. When the capacitance to ground is large, the transformer is saturated, so that pulse current is generated, the pulse current causes the core inside the transformer to move, and abnormal sound is generated. The transformer can be prevented from saturation by reducing the capacitance to ground when the compensation module is put in, so that abnormal sound caused by the fact that the internal iron core of the transformer is blocked due to the generation of pulse current is prevented, and the problem that the stable operation of the transformer is seriously affected by the abnormal sound generated by the transformer in the switching-off process is solved.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic circuit diagram of a transformer abnormal sound solving system according to an embodiment of the present utility model;
FIG. 2 is a graph of an ultrasonic signal obtained by monitoring the sound of a transformer in the prior art;
FIG. 3 is a voltage waveform of the high side of a prior art transformer;
fig. 4 is an ultrasonic signal oscillogram obtained by monitoring the sound of the transformer body of the transformer abnormal sound solving system provided by the embodiment of the utility model;
fig. 5 is a voltage waveform of a high voltage side of a transformer body of the transformer abnormal sound solving system according to the embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a transformer body of the transformer abnormal sound solving system according to the embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a high-voltage side of a transformer body of the transformer abnormal sound solving system according to the embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a low-voltage side of a transformer body of the transformer abnormal sound solving system according to the embodiment of the present utility model;
fig. 9 is a circuit block diagram of a transformer abnormal sound solving system provided by an embodiment of the utility model.
Wherein: 1. a transformer body; 11. a low pressure side; 12. a high-voltage side end screen; 13. a high-voltage secondary-side terminal; 14. a low-voltage side secondary side terminal; 16. a transformer oil tank; 161. a low pressure side oil tank; 162. a high-pressure side oil tank; 2. a compensation module; 21. a reactor; 3. a switch module; 4. a low-voltage side grounding wire; 5. a monitoring device; 51. a current voltage monitoring module; 52. a partial discharge monitoring module; 53. a sound monitoring module; 6. an iron core grounding wire; 7. a fault analysis device; 8. and (5) a simulation device.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a schematic circuit diagram of a transformer abnormal sound solving system according to an embodiment of the present utility model, where in this embodiment, the transformer abnormal sound solving system includes two transformers, as shown in fig. 1, and the transformer abnormal sound solving system includes a transformer body 1, a compensation module 2 and a switch module 3.
The transformer body 1 comprises a low voltage side 11, the low voltage side 11 is electrically connected with a low voltage side grounding wire 4, and the compensation module 2 is electrically connected to the low voltage side grounding wire 4.
The switch module 3 is electrically connected with the compensation module 2, and the switch module 3 is used for controlling the input and the cut-out of the compensation module 2.
The compensation module 2 is used for being electrically connected between the low-voltage side 11 and the ground to reduce the capacitance to the ground when in use, and the compensation module 2 is used for disconnecting the electrical connection with the low-voltage side 11 when in cut-out.
Among them, a Transformer (Transformer) is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The transformer body refers to a main body portion of a transformer, and in a specific embodiment, the transformer in this embodiment is an auxiliary transformer for providing auxiliary power for plant power. The low voltage side 11 is an output end of the transformer body 1, and is generally used for outputting to a power receiving device or a user.
The low-voltage side ground wire 4 is a wire that electrically connects the low-voltage side 11 to the ground, and the switch module 3 is a module that can control the switching in and switching out of the compensation module 2. The compensation module 2 is a module capable of reducing the capacitance to ground, and is electrically connected between the low-voltage side 11 and the ground when the compensation module is put into operation to reduce the capacitance to ground, and is disconnected from the low-voltage side 11 when the compensation module is cut out, so that the capacitance to ground is not reduced. Because the transformer is abnormal when breaking off, the compensation module 2 can reduce the capacitance to ground only when the transformer is broken off through the switch module 3, and the capacitance to ground is not reduced when the normal operation of the transformer is free from abnormal noise, so that the normal operation of the transformer is not affected.
The transformer generally comprises a high-voltage side, fig. 2 is an ultrasonic signal wave-recording diagram obtained by monitoring the sound of the transformer in the prior art, fig. 3 is a voltage waveform of the high-voltage side of the transformer in the prior art, and as can be seen from fig. 2, the abnormal signal surge condition, namely abnormal noise, occurs after the existing transformer is disconnected. Meanwhile, as shown in fig. 3, the simulation waveform of the high-voltage side of the transformer shows a flat top characteristic, and the 220kV high-voltage cable is judged to be longer, so that the transformer is saturated, pulse current is generated, the pulse current causes core contusion inside the transformer, and abnormal sound is generated. Fig. 4 is an ultrasonic signal wave recording diagram obtained by monitoring the sound of the transformer body 1 of the transformer abnormal sound solving system provided by the embodiment of the utility model, fig. 5 is a voltage waveform of the high voltage side of the transformer body 1 of the transformer abnormal sound solving system provided by the embodiment of the utility model, and as can be seen from fig. 4 and 5, the high voltage side waveform flat top wave of the transformer body 1 of the transformer abnormal sound solving system provided by the embodiment of the utility model disappears, meanwhile, the signal peak value of the transformer body 1 of the transformer abnormal sound solving system provided by the embodiment of the utility model is obviously reduced, and no sudden increase exists, which indicates that the ground capacitance is reduced by arranging the compensation module 2, so that the saturation phenomenon of the transformer can be prevented, and abnormal sound generated by the core contusion in the transformer can be prevented from generating, and the transformer abnormal sound solving system provided by the utility model can make the transformer not easily generate abnormal sound.
According to the scheme, the compensation module 2 and the switch module 3 are arranged, the switch module 3 controls the input and the cut-out of the compensation module 2, the compensation module 2 is electrically connected between the low-voltage side 11 and the ground when being input so as to reduce the capacitance to the ground, and the compensation module 2 is disconnected from the low-voltage side 11 when being cut-out. When the capacitance to ground is large, the transformer is saturated, so that pulse current is generated, the pulse current causes the core inside the transformer to move, and abnormal sound is generated. The capacitance to ground is reduced when the compensation module 2 is put into operation, so that the saturation phenomenon of the transformer can be prevented, abnormal sound caused by the fact that the internal iron core of the transformer is blocked due to the generation of pulse current is prevented, and the problem that the stable operation of the transformer is seriously affected due to the abnormal sound generated by the transformer in the switching-off process is solved.
In an alternative embodiment of the utility model, as shown in fig. 1, one end of the switch module 3 is electrically connected to the low voltage side 11 and the other end of the switch module 3 is electrically connected to the compensation module 2. Therefore, when the switch module 3 is turned on, the low-voltage side 11 is electrically connected with the compensation module 2 to realize the input of the compensation module 2, and when the switch module 3 is turned off, the compensation module 2 is disconnected with the low-voltage side 11 to realize the cutting-out of the compensation module 2. The different states of the switching module 3 enable the compensation module 2 to be switched in and out. Preferably, the switch module 3 includes at least one of a normally open switch and a normally closed switch, when the switch module 3 is the normally open switch, the initial state of the normally open switch is open, and at this time, the compensation module 2 is open to the low voltage side 11, and when the normally open switch is closed, the compensation module 2 is electrically connected to the low voltage side 11. When the switch module 3 is a normally closed switch, the initial state of the normally closed switch is closed, and at this time, the compensation module 2 and the low voltage side 11 are electrically connected, and when the normally closed switch is opened, the compensation module 2 and the low voltage side 11 are disconnected.
In an alternative embodiment of the utility model, the compensation module 2 comprises a reactor 21. The reactor 21 is also called an inductor, and is widely used in a circuit in which a certain inductance exists due to an effect of electromagnetic induction, and thus, a function of preventing a current change can be performed. Since the compensation module 2 is electrically connected between the low voltage side 11 of the transformer and the ground when put into operation, parallel connection with the ground capacitance is realized, and thus the overall ground capacitance can be reduced.
In an alternative embodiment of the present utility model, as shown in fig. 6 to 8, the abnormal noise solving system of the transformer further includes a monitoring device 5, where the monitoring device 5 is configured to monitor an actual operation parameter of the transformer body 1, and the actual operation parameter includes at least one of a high voltage side voltage of the transformer, a high voltage side current of the transformer, a low voltage side voltage of the transformer, a partial discharge amount, and noise information.
The monitoring device 5 is a device capable of monitoring actual operation parameters of the transformer body 1, the high-voltage side voltage of the transformer is a voltage value of the high-voltage side of the transformer body 1, the high-voltage side current of the transformer is a current value of the high-voltage side of the transformer body 1, the low-voltage side voltage of the transformer is a voltage value of the low-voltage side 11 of the transformer body 1, and the partial discharge is performed: refers to an electrical discharge that is partially broken down in the insulation system of the device, which may occur near the conductors (electrodes) or at other locations. The partial discharge amount means discharge occurring in a partial region of the transformer body 1. The noise information is information indicating whether or not abnormal noise occurs in the transformer body 1.
The transformer body 1 is monitored through the monitoring device 5, so that the actual operation parameters of the transformer body 1 can be conveniently obtained, and whether the transformer body 1 fails, the failure cause and the like can be determined.
In an alternative embodiment of the present utility model, as shown in fig. 7 and 8, the monitoring device 5 includes a current-voltage monitoring module 51 for monitoring at least one of the transformer high-side voltage, the transformer high-side current, and the transformer low-side voltage of the transformer body 1.
The current-voltage monitoring module 51 is a module capable of monitoring a current value and/or a voltage value, so that at least one of a transformer high-voltage side voltage, a transformer high-voltage side current, and a transformer low-voltage side voltage of the transformer body 1 can be monitored by the current-voltage monitoring module 51.
On the basis of the above embodiment, the current-voltage monitoring module 51 includes a waveform recorder, and the transformer body 1 includes a high-voltage side end screen 12, a high-voltage secondary side terminal 13, and a low-voltage side secondary side terminal 14; the waveform recorder is electrically connected with at least one of the high-voltage side end screen 12, the high-voltage secondary side terminal 13 and the low-voltage side secondary side terminal 14 to monitor at least one of the high-voltage side voltage of the transformer, the high-voltage side current of the transformer and the low-voltage side voltage of the transformer in the switching process.
The measuring signal can be led out from the high-voltage side end screen 12 of the transformer body 1 and led into the waveform recorder through the shielding coaxial cable, so that the waveform recorder can directly measure the high-voltage side voltage of the transformer in the switching process of the transformer body 1.
The high-voltage secondary side terminal 13 of the transformer body 1 can be connected into the waveform recorder through the test cable, so that the waveform recorder can directly measure the high-voltage side current of the transformer in the switching process of the transformer body 1.
The low-voltage side secondary side terminal 14 of the transformer body 1 can be connected to the waveform recorder through the test cable, so that the waveform recorder can directly measure the low-voltage side voltage of the transformer in the switching process of the transformer body 1.
By the mode, at least one of the high-voltage side voltage of the transformer, the high-voltage side current of the transformer and the low-voltage side voltage of the transformer in the switching process can be measured only by electrically connecting the waveform recorder with different positions on the transformer body 1.
In an alternative embodiment of the present utility model, as shown in fig. 6, the monitoring device 5 includes a partial discharge amount monitoring module 52 for monitoring the partial discharge amount of the transformer body 1.
The partial discharge amount monitoring module 52 is a module capable of monitoring the partial discharge amount of the transformer body 1.
On the basis of the above embodiment, the partial discharge monitoring module 52 includes a current transformer, and the transformer body 1 further includes an iron core electrically connected to the iron core ground wire 6; the current transformer is mounted on the core ground wire 6 to monitor the partial discharge amount of the transformer body 1.
The current transformer is an instrument for converting primary side large current into secondary side small current according to an electromagnetic induction principle to measure. The current transformer can be a high-frequency clamp type current transformer, and the high-frequency components of the grounding current of the iron core and the clamping piece can be measured by installing the current transformer on the iron core grounding wire 6, so that the local discharge capacity can be monitored.
In an alternative embodiment of the utility model, as shown in fig. 7 and 8, the monitoring device 5 comprises a sound monitoring module 53 for monitoring noise information of the transformer body 1.
The sound monitoring module 53 is a module capable of monitoring the sound of the transformer body 1, and determining whether the transformer is abnormal by monitoring the sound of the transformer body 1.
On the basis of the above embodiment, the sound monitoring module 53 includes an ultrasonic sensor, the transformer body 1 further includes a transformer oil tank 16, the transformer oil tank 16 includes a low-pressure side oil tank 161 and a high-pressure side oil tank 162, and the ultrasonic sensor is provided on a surface of at least one of the low-pressure side oil tank 161 and the high-pressure side oil tank 162 for monitoring noise information of the transformer body 1.
Among them, an ultrasonic sensor is a sensor that converts an ultrasonic signal into another energy signal (typically an electric signal). By providing the ultrasonic sensor on the surface of at least one of the low-pressure side oil tank 161 and the high-pressure side oil tank 162, it is possible to determine whether or not the low-pressure side oil tank 161 and the high-pressure side oil tank 162 of the transformer body 1 generate abnormal sound to monitor noise information.
In an alternative embodiment of the present utility model, as shown in fig. 9, the transformer abnormal sound solving system further includes a fault analyzing device 7; the input of the fault analysis means 7 is electrically connected to the monitoring means 5, the fault analysis means 7 being adapted to determine the cause of the fault based on the actual operating parameters.
The failure analysis device 7 is a device capable of analyzing actual operation parameters and determining a failure cause, and may be constituted by a microprocessor, and determines the failure cause by determining a difference between the actual operation parameters and standard operation parameters, or the like.
In an alternative embodiment of the present utility model, the system for solving abnormal sound of the transformer further includes a simulation device 8, where the simulation device 8 is configured to simulate the transformer body 1 to obtain simulation parameters; the first input of the fault analysis means 7 is electrically connected to the monitoring means 5 and the second input of the fault analysis means 7 is electrically connected to the simulation means 8, the fault analysis means 7 being adapted to determine the cause of the fault based on the actual operating parameters and the simulation parameters.
The simulation device 8 is a device capable of simulating an operation system of the transformer body 1, the simulation device 8 can comprise a 220kV power grid simplification system, a 220kV high-voltage cable, the transformer body 1 and the like, and whether the simulation device 8 can accurately reflect the actual operation condition of the transformer body 1 or not can be determined by comparing actual operation parameters with simulation parameters, and whether the obtained simulation parameters are attached to the actual condition or not can be determined. After the fault determines the corrective measures, the simulation device 8 can determine whether the corresponding corrective measures are effective, and then the corrective measures are actually applied, so that the cost can be reduced.
In an alternative embodiment of the utility model, the number of transformer bodies 1 is a plurality. Therefore, the system for solving the abnormal sound of the transformers can be applied to a system with a plurality of transformers, and solves the abnormal sound of the transformers when the transformers have abnormal sound.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The system for solving abnormal sound of the transformer is characterized by comprising a transformer body (1), a compensation module (2) and a switch module (3);
the transformer body (1) comprises a low-voltage side (11), the low-voltage side (11) is electrically connected with a low-voltage side grounding wire (4), and the compensation module (2) is electrically connected to the low-voltage side grounding wire (4);
the switch module (3) is electrically connected with the compensation module (2), and the switch module (3) is used for controlling the input and the cut-out of the compensation module (2);
the compensation module (2) is used for being electrically connected between the low-voltage side (11) and the ground when being thrown so as to reduce the capacitance to the ground, and the compensation module (2) is used for disconnecting the electrical connection with the low-voltage side (11) when being cut out.
2. The transformer abnormal sound solving system according to claim 1, characterized in that one end of the switch module (3) is electrically connected with the low voltage side (11), and the other end of the switch module (3) is electrically connected with the compensation module (2);
and/or the compensation module (2) comprises a reactor (21).
3. The transformer abnormal sound solving system according to claim 1 or 2, further comprising a monitoring device (5), wherein the monitoring device (5) is used for monitoring actual operation parameters of the transformer body (1), and the actual operation parameters comprise at least one of transformer high-voltage side voltage, transformer high-voltage side current, transformer low-voltage side voltage, local discharge amount and noise information.
4. A transformer abnormal sound solving system according to claim 3, characterized in that said monitoring means (5) comprises at least one of the following:
a current-voltage monitoring module (51) for monitoring at least one of the transformer high-side voltage, the transformer high-side current, and the transformer low-side voltage of the transformer body (1);
a partial discharge amount monitoring module (52) for monitoring the partial discharge amount of the transformer body (1);
-a sound monitoring module (53) for monitoring the noise information of the transformer body (1).
5. The transformer abnormal sound solving system according to claim 4, wherein the current-voltage monitoring module (51) comprises a waveform recorder, and the transformer body (1) comprises a high-voltage side end screen (12), a high-voltage secondary side terminal (13) and a low-voltage side secondary side terminal (14);
the waveform recorder is electrically connected with at least one of the high-voltage side end screen (12), the high-voltage secondary side terminal (13) and the low-voltage side secondary side terminal (14) so as to monitor at least one of the high-voltage side voltage of the transformer, the high-voltage side current of the transformer and the low-voltage side voltage of the transformer in the switching process.
6. The transformer abnormal sound solving system according to claim 4, wherein the partial discharge amount monitoring module (52) comprises a current transformer, the transformer body (1) further comprises a core, and the core is electrically connected with a core grounding wire (6);
the current transformer is mounted on the core ground wire (6) to monitor the partial discharge amount of the transformer body (1).
7. The transformer abnormal sound solving system according to claim 4, characterized in that the sound monitoring module (53) comprises an ultrasonic sensor, the transformer body (1) further comprises a transformer oil tank (16), the transformer oil tank (16) comprises a low-pressure side (11) oil tank and a high-pressure side oil tank (162), and the ultrasonic sensor is provided on a surface of at least one of the low-pressure side (11) oil tank and the high-pressure side oil tank (162) for monitoring the noise information of the transformer body (1).
8. A transformer abnormal sound solving system according to claim 3, characterized in that said transformer abnormal sound solving system further comprises a fault analyzing means (7);
the input end of the fault analysis device (7) is electrically connected with the monitoring device (5), and the fault analysis device (7) is used for determining a fault reason based on the actual operation parameters.
9. The transformer abnormal sound solving system according to claim 8, further comprising a simulation device (8), wherein the simulation device (8) is used for simulating the transformer body (1) to obtain simulation parameters;
the first input end of the fault analysis device (7) is electrically connected with the monitoring device (5), the second input end of the fault analysis device (7) is electrically connected with the simulation device (8), and the fault analysis device (7) is used for determining a fault reason based on the actual operation parameters and the simulation parameters.
10. The transformer abnormal sound solving system according to claim 1 or 2, characterized in that the number of the transformer bodies (1) is plural.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320422246.2U CN219458910U (en) | 2023-03-08 | 2023-03-08 | Transformer abnormal sound solving system |
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| CN202320422246.2U CN219458910U (en) | 2023-03-08 | 2023-03-08 | Transformer abnormal sound solving system |
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