CN115579253A - Method and device for determining GIS interval state, electronic equipment and storage medium - Google Patents

Method and device for determining GIS interval state, electronic equipment and storage medium Download PDF

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Publication number
CN115579253A
CN115579253A CN202211157142.XA CN202211157142A CN115579253A CN 115579253 A CN115579253 A CN 115579253A CN 202211157142 A CN202211157142 A CN 202211157142A CN 115579253 A CN115579253 A CN 115579253A
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Prior art keywords
power
time period
target
time
determining
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傅逞波
侯均明
金军
陈炜
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Guoneng Zhejiang Zhoushan Power Generation Co ltd
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Guoneng Zhejiang Zhoushan Power Generation Co ltd
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Priority to CN202211157142.XA priority Critical patent/CN115579253A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/065—Means for detecting or reacting to mechanical or electrical defects

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Keying Circuit Devices (AREA)

Abstract

The disclosure relates to a method and a device for determining a GIS interval state, electronic equipment and a storage medium, and relates to the technical field of electricity. According to the GIS interval state detection method and device, firstly, a power signal of a GIS interval driving motor and an auxiliary contact position signal of each isolating switch are obtained, and then the GIS interval state is determined according to the power signal and the auxiliary contact position signal. Therefore, the GIS interval state can be accurately determined, the safety risk of the electrical equipment caused by inaccurate GIS interval state is avoided, and the safe operation of the electrical equipment is guaranteed.

Description

Method and device for determining GIS interval state, electronic equipment and storage medium
Technical Field
The present disclosure relates to the field of electrical technologies, and in particular, to a method and an apparatus for determining a GIS interval state, an electronic device, and a storage medium.
Background
A GIS bay (also referred to as a GIS switchyard) is a gas insulated high voltage device widely used in power systems, comprising a circuit breaker and at least one disconnector, which is an integrated structure and is located in a sealed metal mechanism filled with SF6 gas, and the contact state of the disconnector cannot be directly observed from the outside.
In the related art, the state of the disconnector in the GIS interval is usually determined by observing an indication position (also referred to as ON-OFF indicator, switch indication) of an auxiliary position contact synchronized with a disconnector lever, and when an abnormality occurs inside the disconnector (for example, an internal structure of the disconnector is released), the state of the disconnector cannot be accurately determined through the indication position of the auxiliary contact, which affects safe operation of electrical equipment.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides a method, an apparatus, an electronic device, and a storage medium for determining a GIS interval state.
According to a first aspect of the embodiments of the present disclosure, there is provided a method for determining a GIS interval state, the method including:
acquiring a power signal of the GIS interval driving motor and an auxiliary contact position signal of each isolating switch, wherein the auxiliary contact position signal is used for representing the current switch position of the isolating switch;
and determining the state of the GIS interval according to the power signal and the auxiliary contact position signal.
Optionally, the determining the state of the GIS interval according to the power signal and the auxiliary contact position signal includes:
determining that a GIS-spaced auxiliary location contact is in a first fault state if the first time period does not include any of the first time points and does not include any of the second time points; or,
and under the condition that the first time period comprises the first time point and/or the second time point, determining a target isolating switch according to a first target time point and/or a second target time point contained in the first time period, wherein the target isolating switch is an isolating switch which is subjected to isolating switch closing or isolating switch opening in the GIS interval, and determining the state of the target isolating switch in the GIS interval according to the power signal and the auxiliary contact position signal.
Optionally, the determining the state of the target disconnector in the GIS interval according to the power signal and the auxiliary contact position signal includes:
determining that an auxiliary position contact of the target isolator switch in the GIS interval is in a second fault state if the first time period includes one of the first point in time or the second point in time.
Optionally, the determining the state of the target disconnector in the GIS interval according to the power signal and the auxiliary contact position signal comprises:
and under the condition that the first time period comprises the first time point and the second time point, determining the action type of the target isolating switch according to the first time point and the second time point, and determining the state of the target isolating switch in the GIS interval according to the power signal, the first time period, the action type and a preset reference power signal, wherein the action type comprises an isolating switch closing action or an isolating switch opening action.
Optionally, the determining the state of the target disconnector in the GIS interval according to the power signal, the first time period, the action type, and a preset reference power signal includes:
determining a corresponding target reference power signal from the preset reference power signal according to the action type, wherein the target reference power signal comprises a plurality of target reference power values corresponding to a second time period, and the second time period is a time period in which the target reference power values are changed from the initial values and are changed back to the initial values;
and under the condition that the deviation between the duration of the first time period and the duration of the second time period is greater than a preset duration deviation threshold, determining that the target isolating switch in the GIS interval is in a third fault state.
Optionally, the method further comprises:
under the condition that the difference value between the duration of the first time period and the duration of the second time period is smaller than or equal to the preset duration deviation threshold, acquiring a preset number of power sample points from the power signal, wherein each power sample point comprises a sample time and a corresponding sample power in the first time period;
for each power sample point, obtaining a corresponding target reference power sample point from the target reference power signal, each target reference power sample point including a target reference sample time and a corresponding target reference sample power, a first time offset of the sample time of each power sample point with respect to a first start time of the first time period being the same as a second time offset of the target reference sample time of the corresponding target reference power sample point with respect to a second start time of the second time period;
and under the condition that the power deviation between the sample power of any one power sample point and the target reference sample power of the corresponding target reference power sample point is greater than or equal to a preset power deviation threshold value, determining that the target isolating switch in the GIS interval is in a fourth fault state.
Optionally, the method further comprises:
and under the condition that the difference value between the duration of the first time period and the duration of the second time period is smaller than or equal to the preset duration deviation threshold value, and the power deviations of the sample power of the power sample point and the target reference sample power of the corresponding target reference power sample point are smaller than the preset power deviation threshold value, determining that the target isolating switch is in the normal state of the isolating switch in the GIS interval.
Optionally, the determining, by the action type, a corresponding target reference power signal from the preset reference power signal includes:
taking the disconnecting switch closing reference power signal as the target reference power signal under the condition that the action type comprises a disconnecting switch closing action; or,
and taking the disconnecting switch opening reference power signal as the target reference power signal under the condition that the action type comprises a disconnecting switch opening action.
According to a second aspect of the embodiments of the present disclosure, there is provided an apparatus for determining a state of a GIS compartment, the GIS compartment including a plurality of disconnectors, the apparatus comprising:
the acquisition module is configured to acquire a power signal of the GIS interval driving motor and an auxiliary contact position signal of each isolating switch, wherein the auxiliary contact position signal is used for representing the current switch position of the isolating switch;
a determination module configured to determine a state of the GIS interval based on the power signal and the auxiliary contact position signal.
Optionally, the power signal includes a plurality of power values corresponding to a first time period, where the first time period is a time period in which the power value changes from an initial value to an initial value, the auxiliary contact position signal includes an isolator on position signal and an isolator off position signal, and each of the auxiliary contact position signals includes a first time point corresponding to a change of the isolator on position signal and a second time point corresponding to a change of the isolator off position signal, and the determining module is further configured to:
determining that a GIS-spaced auxiliary location contact is in a first fault state if the first time period does not include any of the first points in time and does not include any of the second points in time; or,
and under the condition that the first time period comprises the first time point and/or the second time point, determining a target isolating switch according to a first target time point and/or a second target time point contained in the first time period, wherein the target isolating switch is an isolating switch which is subjected to isolating switch closing or isolating switch opening in the GIS interval, and determining the state of the target isolating switch in the GIS interval according to the power signal and the auxiliary contact position signal.
Optionally, the determining module is further configured to:
determining that an auxiliary position contact of the target isolator switch in the GIS interval is in a second fault state if the first time period includes one of the first point in time or the second point in time.
Optionally, the determining module is further configured to:
and under the condition that the first time period comprises the first time point and the second time point, determining the action type of the target isolating switch according to the first time point and the second time point, and determining the state of the target isolating switch in the GIS interval according to the power signal, the first time period, the action type and a preset reference power signal, wherein the action type comprises an isolating switch closing action or an isolating switch opening action.
Optionally, the determining module is further configured to:
determining a corresponding target reference power signal from the preset reference power signal according to the action type, wherein the target reference power signal comprises a plurality of target reference power values corresponding to a second time period, and the second time period is a time period in which the target reference power values are changed from the initial values and are changed back to the initial values;
and under the condition that the deviation between the duration of the first time period and the duration of the second time period is greater than a preset duration deviation threshold value, determining that the target isolating switch in the GIS interval is in a third fault state.
Optionally, the determining module is further configured to:
under the condition that the difference value between the duration of the first time period and the duration of the second time period is smaller than or equal to the preset duration deviation threshold, acquiring a preset number of power sample points from the power signal, wherein each power sample point comprises a sample time and a corresponding sample power in the first time period;
for each power sample point, obtaining a corresponding target reference power sample point from the target reference power signal, each target reference power sample point including a target reference sample time and a corresponding target reference sample power, a first time offset of the sample time of each power sample point with respect to a first start time of the first time period being the same as a second time offset of the target reference sample time of the corresponding target reference power sample point with respect to a second start time of the second time period;
and under the condition that the power deviation between the sample power of any one power sample point and the target reference sample power of the corresponding target reference power sample point is greater than or equal to a preset power deviation threshold value, determining that the target isolating switch in the GIS interval is in a fourth fault state.
Optionally, the determining sub-module is further configured to:
and under the condition that the difference value between the duration of the first time period and the duration of the second time period is smaller than or equal to the preset duration deviation threshold value, and the power deviation between the sample power of the power sample point and the target reference sample power of the corresponding target reference power sample point is smaller than a preset power deviation threshold value, determining that the target isolating switch is in a normal state in the GIS interval.
Optionally, the determining sub-module is further configured to:
taking the disconnecting switch closing reference power signal as the target reference power signal under the condition that the action type comprises a disconnecting switch closing action; or,
and taking the disconnecting switch opening reference power signal as the target reference power signal under the condition that the action type comprises the disconnecting switch opening action.
According to a third aspect of the embodiments of the present disclosure, there is provided an electronic apparatus including:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to implement the steps of the method of any one of the first aspects.
According to a fourth aspect of embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps in the method of any one of the first aspects.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
according to the GIS interval driving method and device, firstly, the power signal of the GIS interval driving motor and the auxiliary contact position signal of each isolating switch are obtained, and then the GIS interval state is determined according to the power signal and the auxiliary contact position signal. Therefore, the GIS interval state can be accurately determined, the safety risk of the electrical equipment caused by inaccurate GIS interval state is avoided, and the safe operation of the electrical equipment is guaranteed.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure, but are not to be construed as limiting the disclosure.
Fig. 1 is a flowchart illustrating a method of determining a GIS interval status according to an exemplary embodiment.
Fig. 2 is an electrical control diagram of a GIS isolator switch, according to an exemplary embodiment.
Fig. 3 is a schematic diagram illustrating a power signal and an auxiliary contact position signal in accordance with an exemplary embodiment.
Fig. 4 is a flowchart illustrating another method of determining a GIS interval status according to an example embodiment.
Fig. 5 is a diagram illustrating one type of power sample point and target reference power sample point in accordance with an exemplary embodiment.
Fig. 6 is a block diagram illustrating an apparatus for determining a GIS interval state according to an exemplary embodiment.
FIG. 7 is a block diagram illustrating an electronic device in accordance with an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims, and it should be understood that the specific embodiments described herein are merely illustrative and explanatory of the disclosure and are not restrictive of the disclosure.
First, an application scenario of the present disclosure is explained, and the present disclosure may be applied to electrical technology for determining a GIS interval state.
The GIS interval can include a plurality of isolator, and every isolator of GIS interval is controlled through isolator control circuit, and this isolator control circuit accomplishes isolator combined floodgate or isolator separating brake action through the direct current motor drive lever in the control isolator.
The inventor has noted that in the related art, the state of the disconnector in the GIS interval is determined by observing the indication position of the auxiliary position contact synchronized with the disconnector lever through human eyes, but this method has a great limitation, for example, when an abnormality occurs inside the disconnector (for example, the internal structure of the disconnector is loosened), it may result in that the state of the disconnector cannot be accurately judged by the indication position of the auxiliary contact. In addition, when the blocking phenomenon occurs inside the isolating switch, the potential hazards cannot be timely found by observing the indication position of the auxiliary contact, and the safe operation of the electrical equipment is influenced.
The invention provides a method and a device for determining a GIS interval state, electronic equipment and a storage medium, which can accurately determine the GIS interval state, avoid the safety risk of the electrical equipment caused by inaccurate GIS interval state and ensure the safe operation of the electrical equipment.
The present disclosure is described below with reference to specific examples.
Fig. 1 is a flowchart illustrating a method of determining a state of a GIS bay, the GIS bay including a plurality of disconnectors, as shown in fig. 1, according to an exemplary embodiment, the method may include the steps of:
in step S101, a power signal of the drive motor for GIS intervals and an auxiliary contact position signal of each of the disconnectors are acquired.
The auxiliary contact position signal is used for representing the indication position of the auxiliary contact of the isolating switch.
Fig. 2 is a GIS isolator electrical control diagram according to an exemplary embodiment, where a plurality of isolator control circuits are connected in parallel to form a parallel circuit, and a main power supply supplies power to the plurality of isolator control circuits, as shown in fig. 2.
In some possible implementations, the voltage signal and the current signal of the parallel circuit may be periodically obtained by a wave recording device, so as to obtain the power signal of the driving motor of the multiple disconnectors, for example, the power of the driving motor of the multiple disconnectors is obtained by a product of the voltage and the current of the parallel circuit. For example, the wave recording device may be a portable wave recorder, which may specifically refer to technical descriptions in the related art and will not be described herein again.
In some possible implementations, the auxiliary contact position signal of each isolation switch may be obtained by an ECMS (Electrical Control and Management System), which may be specifically referred to the description in the related art and is not described herein again.
In step S102, the state of the GIS interval is determined based on the power signal and the auxiliary contact position signal.
In some possible implementations, the initial value may be zero, the auxiliary contact position signal includes an disconnecting switch on position signal and an disconnecting switch off position signal, and each auxiliary contact position signal includes a first time point corresponding to a change of the disconnecting switch on position signal and a second time point corresponding to a change of the disconnecting switch off position signal.
FIG. 3 is a schematic diagram illustrating a power signal and an auxiliary contact position signal, according to an exemplary embodiment, as shown in FIG. 3:
the power signal and the auxiliary contact position signal represent the switching-on action of the primary isolating switch.
The auxiliary contact position signal comprises an isolating switch opening position signal 2 and an isolating switch closing position signal 3, the isolating switch closing position signal 3 comprises a first time point 31 corresponding to the change of the isolating switch closing position signal, the current switch position of the characterization isolating switch is changed into the closing of the isolating switch from a pending position, the isolating switch opening position signal 2 comprises a second time point 21 corresponding to the change of the isolating switch opening position signal, and the current switch position of the characterization isolating switch is changed into the pending position from the isolating switch opening.
When the power value of the power signal 1 is changed to the initial value (for example, zero), the closing of the isolating switch is represented to be completed, and the first time period is ended.
Fig. 4 is a flowchart illustrating another method of determining a GIS interval state according to an exemplary embodiment, and as shown in fig. 4, step S102 may include the steps of:
in step S1021, if the first time period does not include any first time point and does not include any second time point, it is determined that the GIS-spaced auxiliary location contact is in the first fault state.
For example, in a case that the first time period does not include any first time point, and does not include any second time point, it is determined that the auxiliary position contact of the GIS interval is in the first fault state, that is, when the dc motor driving lever completes the closing or opening of the disconnector, the auxiliary position contact of the corresponding disconnector cannot indicate the current switch position.
In step S1022, when the first time period includes the first time point and/or the second time point, the target isolation switch is determined according to the first target time point and/or the second target time point included in the first time period, and the state of the target isolation switch in the GIS interval is determined according to the power signal and the auxiliary contact position signal.
The target isolating switch is an isolating switch which is subjected to isolating switch closing or isolating switch opening in a GIS interval.
By adopting the scheme, the GIS interval state can be accurately determined, the safety risk of the electrical equipment caused by the inaccurate GIS interval state is avoided, and the safe operation of the electrical equipment is guaranteed.
In some embodiments, the method further comprises determining that the auxiliary position contact of the target isolator switch in the GIS interval is in the second fault state if the first time period comprises one of the first point in time or the second point in time.
For example, in a case where the first time period includes one of the first time point or the second time point, it is characterized that the auxiliary position contact of the target disconnector cannot accurately indicate the current switch position when the dc motor driving lever completes the disconnecting switch or the closing switch of the disconnector. For example, in fig. 3, in the case that the first time period includes the first time point 31 but does not include the second time point 21, it is characterized that when the dc motor drives the lever to move, and the state of the target disconnector changes to the disconnector closing state, the auxiliary position contact of the target disconnector cannot correctly indicate the current switch position of the target disconnector.
In other embodiments, in the case that the first time period includes a first time point and a second time point, the action type of the target isolator switch is determined according to the first time point and the second time point, and the state of the target isolator switch in the GIS interval is determined according to the power signal, the first time period, the action type and a preset reference power signal.
The action type comprises a closing action of the disconnecting switch or an opening action of the disconnecting switch.
For example, as shown in fig. 3, in the case that the first time point is later than the second time point, the action type characterizing the target disconnector is a disconnector closing action.
Correspondingly, in the case that the first time point is earlier than the second time point, the action type for characterizing the target isolating switch is an isolating switch opening action.
Illustratively, the state of the target disconnector in the GIS interval may be determined from the power signal, the first time period, the action type and a preset reference power signal by the following steps.
Step 1, determining a corresponding target reference power signal from preset reference power signals according to the action type.
The preset reference power signal comprises a disconnecting switch closing reference power signal and a disconnecting switch opening reference power signal. In some possible implementation manners, the preset reference power signal may be obtained by performing test recording on a reference isolator with a normal function, and is used for comparing with the power signal to determine a state of a target isolator in a GIS interval, where the target reference power signal includes a plurality of target reference power values corresponding to a second time period, and the second time period is a time period in which the target reference power values change from an initial value to an initial value, and in some possible implementation manners, the initial value may be zero.
Exemplarily, in the case that the action type includes a disconnector closing action, taking a disconnector closing reference power signal as the target reference power signal; or,
and taking the disconnecting switch opening reference power signal as a target reference power signal under the condition that the action type comprises the disconnecting switch opening action.
And 2, determining that the target isolating switch in the GIS interval is in a third fault state under the condition that the deviation between the duration of the first time period and the duration of the second time period is greater than a preset duration deviation threshold value.
For example, the third fault state may include a blocking fault of the disconnecting switch or a loosening fault of the disconnecting switch structure, and in some possible implementations, the third fault state may be determined according to a relationship between the duration of the first time period and the duration of the second time period when a deviation between the duration of the first time period and the duration of the second time period is greater than a preset duration deviation threshold, and the third fault state is characterized as the blocking fault of the disconnecting switch when the deviation between the duration of the first time period and the duration of the second time period is greater than the preset duration deviation threshold and the duration of the first time period is greater than the duration of the second time period. And when the deviation between the duration of the first time period and the duration of the second time period is greater than a preset duration deviation threshold value and the duration of the first time period is less than the duration of the second time period, representing that the third fault state is the disconnecting switch structure loosening fault.
By adopting the scheme, the GIS interval state can be accurately determined, the safety risk of the electrical equipment caused by inaccurate GIS interval state is avoided, and the safe operation of the electrical equipment is guaranteed.
In some embodiments, the state of the target disconnector in the GIS interval may be further determined from the power signal, the first time period, the type of action, and a preset reference power signal by the following steps.
Step 1, under the condition that the difference value between the duration of a first time period and the duration of a second time period is smaller than or equal to a preset duration deviation threshold, obtaining a preset number of power sample points from a power signal, wherein each power sample point comprises a sample time and a corresponding sample power in the first time period.
And 2, aiming at each power sample point, acquiring a corresponding target reference power sample point from the target reference power signal, wherein each target reference power sample point comprises a target reference sample time and a corresponding target reference sample power, and a first time deviation of the sample time of each power sample point relative to a first starting time of a first time period is the same as a second time deviation of the target reference sample time of the corresponding target reference power sample point relative to a second starting time of a second time period.
FIG. 5 is a schematic diagram illustrating one type of power sample point and target reference power sample point, as shown in FIG. 5, in accordance with an exemplary embodiment:
a preset number of power sample points 4 are obtained in the power signal 1, and correspondingly, a target reference power sample point 6 corresponding to the power sample point 4 is obtained in the target reference power signal 5.
In some possible implementations, the plurality of power sample points 4 may be sequentially acquired from the first start time of the first time period at a preset time interval (e.g., 20 milliseconds). The target reference power sample points 6 may be sequentially obtained from the second start time of the second time period at the same preset time interval. The number of power sample points and the choice of sample time interval for each power sample point are not limited by the present disclosure.
And 3, under the condition that the power deviation between the sample power of any power sample point and the target reference sample power of the corresponding target reference power sample point is greater than or equal to a preset power deviation threshold value, determining that the target isolating switch in the GIS interval is in a fourth fault state.
For example, the fourth fault state may include a blocking fault of the disconnector or a loose structure fault of the disconnector, and in some possible implementations, the fourth fault state may be further determined according to a relation between the sample power and the target reference sample power, and in a case that a power deviation between the sample power of any one power sample point and the target reference sample power of a corresponding target reference power sample point is greater than or equal to a preset power deviation threshold (e.g., 5%), and the sample power is greater than the target reference sample power, the fourth fault state is characterized as the blocking fault of the disconnector. And when the power deviation between the sample power of any one power sample point and the target reference sample power of the corresponding target reference power sample point is greater than or equal to a preset power deviation threshold (for example, 5%), and the sample power is less than the target reference sample power, characterizing that the fourth fault state is a disconnecting fault of the disconnecting switch structure.
In another embodiment, when the difference between the duration of the first time period and the duration of the second time period is less than or equal to a preset duration deviation threshold, and the power deviations of the sample power of the power sample point and the target reference sample power of the corresponding target reference power sample point are both less than the preset power deviation threshold, it is determined that the target isolator is in the normal state of the isolator in the GIS interval.
By adopting the scheme, the GIS interval state can be accurately determined, the safety risk of the electrical equipment caused by inaccurate GIS interval state is avoided, and the safe operation of the electrical equipment is guaranteed.
Fig. 6 is a block diagram illustrating an apparatus for determining a state of a GIS interval including a plurality of disconnecting switches according to an exemplary embodiment, and as shown in fig. 6, the apparatus 600 for determining a state of a GIS interval includes:
the acquisition module 601 is configured to acquire a power signal of a driving motor at a GIS interval and an auxiliary contact position signal of each isolating switch, wherein the auxiliary contact position signal is used for representing an indication position of an auxiliary contact of the isolating switch;
a determination module 602 configured to determine a status of the GIS interval based on the power signal and the auxiliary contact position signal.
Optionally, the power signal includes a plurality of power values corresponding to a first time period, where the first time period is a time period in which the power value changes from an initial value to an initial value, the auxiliary contact position signals include an isolation switch on position signal and an isolation switch off position signal, each of the auxiliary contact position signals includes a first time point corresponding to a change of the isolation switch on position signal and a second time point corresponding to a change of the isolation switch off position signal, and the determining module 602 is further configured to:
determining that a GIS-spaced auxiliary location contact is in a first fault state when the first time period does not include any first time point and does not include any second time point; or,
and under the condition that the first time period comprises a first time point and/or a second time point, determining a target isolating switch according to a first target time point and/or a second target time point contained in the first time period, wherein the target isolating switch is an isolating switch which is subjected to switch-on or switch-off of the isolating switch in the GIS interval, and determining the state of the target isolating switch in the GIS interval according to a power signal and an auxiliary contact position signal.
Optionally, the determining module 602 is further configured to:
in a case where the first time period includes one of the first time point or the second time point, determining that the auxiliary position contact of the target isolator switch in the GIS interval is in the second fault state.
Optionally, the determining module 602 is further configured to:
and under the condition that the first time period comprises a first time point and a second time point, determining the action type of the target isolating switch according to the first time point and the second time point, and determining the state of the target isolating switch in the GIS interval according to the power signal, the first time period, the action type and a preset reference power signal, wherein the action type comprises a closing action of the isolating switch or an opening action of the isolating switch.
Optionally, the determining module 602 is further configured to:
determining a corresponding target reference power signal from preset reference power signals according to the action type, wherein the target reference power signal comprises a plurality of target reference power values corresponding to a second time period, and the second time period is a time period in which the target reference power values change from initial values to initial values;
and under the condition that the deviation between the duration of the first time period and the duration of the second time period is greater than a preset duration deviation threshold value, determining that the target isolating switch in the GIS interval is in a third fault state.
Optionally, the determining module 602 is further configured to:
under the condition that the difference value between the duration of the first time period and the duration of the second time period is smaller than or equal to a preset duration deviation threshold, acquiring a preset number of power sample points from the power signal, wherein each power sample point comprises sample time and corresponding sample power in the first time period;
for each power sample point, obtaining a corresponding target reference power sample point from the target reference power signal, wherein each target reference power sample point comprises a target reference sample time and a corresponding target reference sample power, and a first time deviation of the sample time of each power sample point relative to a first starting time of a first time period is the same as a second time deviation of the target reference sample time of the corresponding target reference power sample point relative to a second starting time of a second time period;
and under the condition that the power deviation between the sample power of any one power sample point and the target reference sample power of the corresponding target reference power sample point is greater than or equal to a preset power deviation threshold value, determining that the target isolating switch in the GIS interval is in a fourth fault state.
Optionally, the determining module 602 is further configured to:
and under the condition that the difference value between the time length of the first time period and the time length of the second time period is smaller than or equal to a preset time length deviation threshold value, and the power deviation between the sample power of the power sample point and the target reference sample power of the corresponding target reference power sample point is smaller than a preset power deviation threshold value, determining that the target isolating switch in the GIS interval is in a normal state of the isolating switch.
Optionally, the determining module 602 is further configured to:
taking the disconnecting switch closing reference power signal as a target reference power signal under the condition that the action type comprises a disconnecting switch closing action; or,
and taking the disconnecting switch opening reference power signal as a target reference power signal under the condition that the action type comprises the disconnecting switch opening action.
With regard to the apparatus in the above embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be described in detail here.
By adopting the scheme, the GIS interval state can be accurately determined, the safety risk of the electrical equipment caused by the inaccurate GIS interval state is avoided, and the safe operation of the electrical equipment is guaranteed.
Fig. 7 is a block diagram illustrating an electronic device 700 in accordance with an example embodiment. As shown in fig. 7, the electronic device 700 may include: a processor 701 and a memory 702. The electronic device 700 may also include one or more of a multimedia component 703, an input/output interface 704, and a communication component 705.
The processor 701 is configured to control the overall operation of the electronic device 700, so as to complete all or part of the steps in the above method for determining the GIS interval state. The memory 702 is used to store various types of data to support operation at the electronic device 700, such as instructions for any application or method operating on the electronic device 700 and application-related data, such as contact data, transmitted and received messages, pictures, audio, video, and the like. The Memory 702 may be implemented by any type or combination of volatile and non-volatile Memory devices, such as Static Random Access Memory (SRAM), electrically Erasable Programmable Read-Only Memory (EEPROM), erasable Programmable Read-Only Memory (EPROM), programmable Read-Only Memory (PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic or optical disk. The multimedia components 703 may include screen and audio components. Wherein the screen may be, for example, a touch screen and the audio component is used for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may further be stored in the memory 702 or transmitted through the communication component 705. The audio assembly also includes at least one speaker for outputting audio signals. The input/output interface 704 provides an interface between the processor 701 and other interface modules, such as a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 705 is used for wired or wireless communication between the electronic device 700 and other devices. Wireless Communication, such as Wi-Fi, bluetooth, near Field Communication (NFC for short), 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or a combination of one or more of them, which is not limited herein. The corresponding communication component 705 may thus include: wi-Fi module, bluetooth module, NFC module, etc.
In another exemplary embodiment, a non-transitory computer readable storage medium comprising program instructions which, when executed by a processor, implement the steps of the above-described method of determining GIS interval status is also provided. For example, the computer readable storage medium may be the above-mentioned memory including program instructions executable by a processor of an electronic device to perform the above-mentioned method of determining a GIS interval state.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (11)

1. A method of determining a state of a GIS bay, the GIS bay comprising a plurality of disconnectors, the method comprising:
acquiring a power signal of the GIS interval driving motor and an auxiliary contact position signal of each isolating switch, wherein the auxiliary contact position signal is used for representing the current switch position of the isolating switch;
and determining the state of the GIS interval according to the power signal and the auxiliary contact position signal.
2. The method of claim 1, wherein the power signal includes a plurality of power values for a first time period during which the power values change from an initial value and back to the initial value, wherein the auxiliary contact position signals include an isolator on position signal and an isolator off position signal, wherein each of the auxiliary contact position signals includes a first time point corresponding to a change in the isolator on position signal and a second time point corresponding to a change in the isolator off position signal, and wherein determining the state of the GIS interval based on the power signal and the auxiliary contact position signals includes:
determining that a GIS-spaced auxiliary location contact is in a first fault state if the first time period does not include any of the first time points and does not include any of the second time points; or,
and under the condition that the first time period comprises the first time point and/or the second time point, determining a target isolating switch according to a first target time point and/or a second target time point contained in the first time period, wherein the target isolating switch is an isolating switch which is subjected to isolating switch closing or isolating switch opening in the GIS interval, and determining the state of the target isolating switch in the GIS interval according to the power signal and the auxiliary contact position signal.
3. The method of claim 2, wherein said determining the state of the target isolator switch in the GIS interval from the power signal and the auxiliary contact position signal comprises:
determining that an auxiliary position contact of the target isolator switch in the GIS interval is in a second fault state if the first time period includes one of the first point in time or the second point in time.
4. The method of claim 2, wherein said determining the state of the target isolator switch in the GIS interval from the power signal and the auxiliary contact position signal comprises:
and under the condition that the first time period comprises the first time point and the second time point, determining the action type of the target isolating switch according to the first time point and the second time point, and determining the state of the target isolating switch in the GIS interval according to the power signal, the first time period, the action type and a preset reference power signal, wherein the action type comprises an isolating switch closing action or an isolating switch opening action.
5. The method of claim 4, wherein the determining the state of the target isolator switch in the GIS interval according to the power signal, the first time period, the action type and a preset reference power signal comprises:
determining a corresponding target reference power signal from the preset reference power signal according to the action type, wherein the target reference power signal comprises a plurality of target reference power values corresponding to a second time period, and the second time period is a time period in which the target reference power values change from the initial values and back to the initial values;
and under the condition that the deviation between the duration of the first time period and the duration of the second time period is greater than a preset duration deviation threshold value, determining that the target isolating switch in the GIS interval is in a third fault state.
6. The method of claim 5, further comprising:
under the condition that the difference value between the duration of the first time period and the duration of the second time period is smaller than or equal to the preset duration deviation threshold, obtaining a preset number of power sample points from the power signal, wherein each power sample point comprises a sample time and a corresponding sample power in the first time period;
for each power sample point, obtaining a corresponding target reference power sample point from the target reference power signal, each target reference power sample point including a target reference sample time and a corresponding target reference sample power, a first time offset of the sample time of each power sample point with respect to a first start time of the first time period being the same as a second time offset of the target reference sample time of the corresponding target reference power sample point with respect to a second start time of the second time period;
and under the condition that the power deviation between the sample power of any one power sample point and the target reference sample power of the corresponding target reference power sample point is greater than or equal to a preset power deviation threshold value, determining that the target isolating switch in the GIS interval is in a fourth fault state.
7. The method of claim 6, further comprising:
and under the condition that the difference value between the duration of the first time period and the duration of the second time period is smaller than or equal to the preset duration deviation threshold value, and the power deviations of the sample power of the power sample point and the target reference sample power of the corresponding target reference power sample point are smaller than the preset power deviation threshold value, determining that the target isolating switch is in the normal state of the isolating switch in the GIS interval.
8. The method according to any one of claims 5 to 7, wherein the preset reference power signals comprise a disconnector closing reference power signal and a disconnector opening reference power signal, and the determining the corresponding target reference power signal from the preset reference power signals according to the action type comprises:
taking the disconnecting switch closing reference power signal as the target reference power signal under the condition that the action type comprises a disconnecting switch closing action; or,
and taking the disconnecting switch opening reference power signal as the target reference power signal under the condition that the action type comprises a disconnecting switch opening action.
9. An apparatus for determining a state of a GIS bay, the GIS bay including a plurality of disconnectors, the apparatus comprising:
the acquisition module is configured to acquire a power signal of a driving motor of the GIS interval and an auxiliary contact position signal of each isolating switch, wherein the auxiliary contact position signal is used for representing the current switch position of the isolating switch;
a determination module configured to determine a state of the GIS interval based on the power signal and the auxiliary contact position signal.
10. An electronic device, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to implement the steps of the method of any one of claims 1-8.
11. A non-transitory computer readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 8.
CN202211157142.XA 2022-09-21 2022-09-21 Method and device for determining GIS interval state, electronic equipment and storage medium Pending CN115579253A (en)

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CN202211157142.XA CN115579253A (en) 2022-09-21 2022-09-21 Method and device for determining GIS interval state, electronic equipment and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211157142.XA CN115579253A (en) 2022-09-21 2022-09-21 Method and device for determining GIS interval state, electronic equipment and storage medium

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