CN108226844A - The method and system of monitoring voltage mutual inductor - Google Patents

The method and system of monitoring voltage mutual inductor Download PDF

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Publication number
CN108226844A
CN108226844A CN201711244338.1A CN201711244338A CN108226844A CN 108226844 A CN108226844 A CN 108226844A CN 201711244338 A CN201711244338 A CN 201711244338A CN 108226844 A CN108226844 A CN 108226844A
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China
Prior art keywords
current data
mentioned
voltage
voltage signal
mutual inductor
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CN201711244338.1A
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Chinese (zh)
Inventor
楚万庆
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INNER MONGOLIA MENGDONG ENERGY Co Ltd
Shenhua Group Corp Ltd
Shenhua Guoneng Group Corp Ltd
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INNER MONGOLIA MENGDONG ENERGY Co Ltd
Shenhua Group Corp Ltd
Shenhua Guoneng Group Corp Ltd
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Priority to CN201711244338.1A priority Critical patent/CN108226844A/en
Publication of CN108226844A publication Critical patent/CN108226844A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/02Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating

Abstract

The invention discloses a kind of method and systems of monitoring voltage mutual inductor.Wherein, this method includes:The first voltage signal of receiving voltage mutual inductor and second voltage signal;Determine the first current data corresponding with above-mentioned first voltage signal and the second current data corresponding with above-mentioned second voltage signal;By analyzing above-mentioned first current data and above-mentioned second current data, determine whether the operation conditions of above-mentioned voltage transformer is normal.The present invention solve existing monitoring mode can not effectively the operation conditions of monitoring voltage mutual inductor the technical issues of.

Description

The method and system of monitoring voltage mutual inductor
Technical field
The present invention relates to electric field, in particular to a kind of method and system of monitoring voltage mutual inductor.
Background technology
In generator voltage transformer (generator PT) operation when, due to voltage transformer capacity very little and compare It is constant, close to light condition during normal operation.Also, the electric current of voltage transformer contains DC component and each harmonic point Amount, the numerical value of electric current is very small (numerical value is milliampere grade), and current monitoring device can only monitor the voltage letter of voltage transformer Number, it can not effectively measure the current data with recording voltage mutual inductor.
But due to the impedance very little of voltage transformer in itself, if short circuit occurs for its secondary, electric current burns sharp increase Ruin coil;Due to the method currently without effective measurement and the current data of recording voltage mutual inductor, thus can not be according to analysis The current data situation of change of voltage transformer finds out the original of fuse melting of voltage transformer or coil turn-to-turn short circuit Cause be easy to cause the person and equipment breakdown.
For above-mentioned existing monitoring mode can not effectively the operation conditions of monitoring voltage mutual inductor the problem of, at present not yet It is proposed effective solution.
Invention content
An embodiment of the present invention provides a kind of method and system of monitoring voltage mutual inductor, at least to solve existing monitoring Mode can not effectively the operation conditions of monitoring voltage mutual inductor the technical issues of.
One side according to embodiments of the present invention provides a kind of method of monitoring voltage mutual inductor, including:Receive electricity Press the first voltage signal of mutual inductor and second voltage signal;Determine the first electric current number corresponding with above-mentioned first voltage signal According to and with corresponding second current data of above-mentioned second voltage signal;By analyzing above-mentioned first current data and above-mentioned Two current datas determine whether the operation conditions of above-mentioned voltage transformer is normal.
Further, by analyzing above-mentioned first current data and above-mentioned second current data, above-mentioned mutual induction of voltage is determined Whether the operation conditions of device is normal, including:The size of more above-mentioned first current data and scheduled current data and above-mentioned the Two current datas and above-mentioned scheduled current size of data;It is if arbitrary in above-mentioned first current data and above-mentioned second current data One current data is more than above-mentioned scheduled current data, it is determined that the operation conditions of above-mentioned voltage transformer is abnormal.
Further, determining the first current data corresponding with first voltage signal and with second voltage signal pair After the second current data answered, the above method further includes:Above-mentioned first current data and above-mentioned second current data are sent To target terminal;The display interface of above-mentioned target terminal is monitored, wherein, above-mentioned display interface is used to show above-mentioned first electric current number According to above-mentioned second current data.
Another aspect according to embodiments of the present invention additionally provides a kind of system of monitoring voltage mutual inductor, including:First Predetermined element accesses the first winding of voltage transformer in generator, for acquiring the first voltage of above-mentioned voltage transformer letter Number;Second predetermined element accesses above-mentioned first winding, for acquiring the second voltage signal of above-mentioned voltage transformer;Analysis is set It is standby, it is connect with above-mentioned first predetermined element and above-mentioned second predetermined element, it is corresponding with above-mentioned first voltage signal for determining First current data and the second current data corresponding with above-mentioned second voltage signal, and pass through and analyze above-mentioned first electric current Data and above-mentioned second current data determine whether the operation conditions of above-mentioned voltage transformer is normal.
Further, above-mentioned analytical equipment, including:Input element, for receiving above-mentioned first voltage signal and above-mentioned Two voltage signals;Analog-digital converter is connect with above-mentioned input element, for above-mentioned first voltage signal to be converted to the first number It measures and above-mentioned second voltage signal is converted into the second digital quantity;Processor is connect with above-mentioned analog-digital converter, for pair Above-mentioned first digital quantity carries out calculation process, obtains the first current data and carries out calculation process to above-mentioned second digital quantity, Obtain the second current data.
Further, above-mentioned processor is additionally operable to the size of more above-mentioned first current data and scheduled current data, with And above-mentioned second current data and above-mentioned scheduled current size of data, wherein, if above-mentioned first current data and above-mentioned second electricity Any one current data is more than above-mentioned scheduled current data in flow data, it is determined that the operation conditions of above-mentioned voltage transformer is different Often.
Further, above system further includes:Target terminal is connect with above-mentioned processor, for showing above-mentioned first electricity Flow data and above-mentioned first current data.
Further, above-mentioned first predetermined element is Hall element, and the first end access of above-mentioned Hall element is above-mentioned primary The ground terminal of winding;The second end of above-mentioned Hall element accesses above-mentioned analytical equipment;Above-mentioned second predetermined element is partial pressure electricity Resistance, the first end of above-mentioned divider resistance access the ground terminal of above-mentioned first winding;In the second end access of above-mentioned divider resistance State analytical equipment.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and above-mentioned storage medium includes storage Program, wherein, above procedure performs following method and step:First voltage signal and the second voltage letter of receiving voltage mutual inductor Number;Determine the first current data corresponding with above-mentioned first voltage signal and with above-mentioned second voltage signal corresponding second Current data;By analyzing above-mentioned first current data and above-mentioned second current data, the operation of above-mentioned voltage transformer is determined Whether situation is normal.
Another aspect according to embodiments of the present invention additionally provides a kind of processor, and above-mentioned processor is used to run program, Wherein, following method and step is performed when above procedure is run:First voltage signal and the second voltage letter of receiving voltage mutual inductor Number;Determine the first current data corresponding with above-mentioned first voltage signal and with above-mentioned second voltage signal corresponding second Current data;By analyzing above-mentioned first current data and above-mentioned second current data, the operation of above-mentioned voltage transformer is determined Whether situation is normal.
In embodiments of the present invention, pass through the first voltage signal of receiving voltage mutual inductor and second voltage signal;It determines The first current data corresponding with above-mentioned first voltage signal and the second electric current number corresponding with above-mentioned second voltage signal According to;By analyzing above-mentioned first current data and above-mentioned second current data, determining the operation conditions of above-mentioned voltage transformer is It is no normal, achieve the purpose that the operation conditions of effective monitoring voltage mutual inductor, it is achieved thereby that improving the work of voltage transformer Make the technique effect of efficiency and safety, so solve existing monitoring mode can not effective monitoring voltage mutual inductor operation The technical issues of situation.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is a kind of structure diagram of the system of monitoring voltage mutual inductor according to embodiments of the present invention;
Fig. 2 is a kind of step flow chart of the method for monitoring voltage mutual inductor according to embodiments of the present invention;
Fig. 3 is a kind of step flow chart of the method for optional monitoring voltage mutual inductor according to embodiments of the present invention;
Fig. 4 is a kind of step flow chart of the method for optional monitoring voltage mutual inductor according to embodiments of the present invention;With And
Fig. 5 is a kind of structure diagram of the device of monitoring voltage mutual inductor according to embodiments of the present invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, " Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment Those steps or unit clearly listed, but may include not listing clearly or for these processes, method, product Or the intrinsic other steps of equipment or unit.
First, understand the embodiment of the present invention for convenience, below by part term or noun involved in the present invention into Row illustrates:
Hall element:A kind of Magnetic Sensor based on Hall effect, due to around electrified wire there are magnetic field, size and Electric current in conducting wire is directly proportional, can measure magnetic field using Hall element, determine the size of current in wire.
Embodiment 1
The embodiment of the present invention additionally provides a kind of system of monitoring voltage mutual inductor, and Fig. 1 is according to embodiments of the present invention A kind of structure chart of the system of monitoring voltage mutual inductor, as shown in Figure 1, the system includes:First predetermined element 10, second is predetermined Element 12 and analytical equipment 14, wherein,
First predetermined element 10 accesses the first winding of voltage transformer in generator, for acquiring above-mentioned mutual induction of voltage The first voltage signal of device;Second predetermined element 12, accesses above-mentioned first winding, for acquiring the second of above-mentioned voltage transformer Voltage signal;Analytical equipment 14 is connect with above-mentioned first predetermined element and above-mentioned second predetermined element, for determining and above-mentioned the Corresponding first current data of one voltage signal and the second current data corresponding with above-mentioned second voltage signal, and pass through Above-mentioned first current data and above-mentioned second current data are analyzed, determines whether the operation conditions of above-mentioned voltage transformer is normal.
In embodiments of the present invention, by the first predetermined element, the first winding of voltage transformer in generator is accessed, is used In the first voltage signal for acquiring above-mentioned voltage transformer;Second predetermined element accesses above-mentioned first winding, above-mentioned for acquiring The second voltage signal of voltage transformer;Analytical equipment is connect with above-mentioned first predetermined element and above-mentioned second predetermined element, is used In determining the first current data corresponding with above-mentioned first voltage signal and the second electricity corresponding with above-mentioned second voltage signal Flow data, and pass through and analyze above-mentioned first current data and above-mentioned second current data, determine the operation of above-mentioned voltage transformer Whether situation is normal, has achieved the purpose that the operation conditions of effective monitoring voltage mutual inductor, it is achieved thereby that improving mutual induction of voltage The working efficiency of device and the technique effect of safety, so solve existing monitoring mode can not effective monitoring voltage mutual inductor Operation conditions the technical issues of.
In a kind of optional embodiment, above-mentioned first predetermined element be Hall element, the first end of above-mentioned Hall element Access the ground terminal of above-mentioned first winding;The second end of above-mentioned Hall element accesses above-mentioned analytical equipment;Above-mentioned second is predetermined Element is divider resistance, and the first end of above-mentioned divider resistance accesses the ground terminal of above-mentioned first winding;Above-mentioned divider resistance Second end accesses above-mentioned analytical equipment.
In a kind of optional embodiment, above-mentioned analytical equipment can be a kind of wave tracer, for example, aDF1024 waves Shape recorder, and the wave tracer can also be the wave tracer after improvement.
In the embodiment of the present application, the of Hall element (can be Hall sensor) collection voltages mutual inductor can be passed through One voltage signal, the second voltage signal of divider resistance collection voltages mutual inductor.Wherein, the input terminal of Hall sensor can with but It is not limited to, the first winding ground terminal into voltage transformer is concatenated with punching, hall sensor output can connect partial pressure The copper bar that resistance is connected, the first winding ground wire of copper bar access voltage transformer that divider resistance is publicly connected.
It should be noted that improve monitoring effect and Security of test, the quantity of above-mentioned divider resistance can with but it is unlimited In two, for example, can be two resistance being connected in parallel.
By above-mentioned analytical equipment for for aDF1024 wave tracers, aDF1024 wave tracers include three big moulds altogether Block:Device body, recording communication management module, waveform analysis and characteristic curve module, aDF1024 wave tracer device bodies It is made of host, analog input plug-in unit, On-off signal plug-in unit, power insert and housing, aDF1024 wave tracers use 100M Ethernet interfaces communicate with background PC computer, can also include cabinet outside above-mentioned aDF1024 wave tracers, wherein, The mode of front and rear enabling may be used in the cabinet, including:Shell, communication module, power module and terminal block.
Hall element in the application can be, but not limited to, using CHB-5SG/SP3 closed-loop Hall current sensors, measure Frequency be 0~100kHz, measurement accuracy be 5A ± 0.5%, the response time be less than 1 μ S, rated current 5A, supply voltage for ± 15V, output voltage rated value are 4V, corresponding primary current 5A.In order to improve the primary of measurement accuracy and monitoring voltage mutual inductor Winding earth is reliable, and 10 circles are wound in Hall sensor primary side, then be serially connected in monitoring voltage using after 2 core 1.0mm2 cable parallel connections At the first winding earth point of mutual inductor.
In addition, in a kind of optional embodiment, above-mentioned Hall sensor secondary side is 4 terminals, 1 end:Power supply just (+ 15V), 2 end:Power supply is born (- 15V), 3 ends:Output terminal, 4 ends:Publicly (⊥:0V), generator is drawn by 4 core pre-fabricated electric cables Voltage transformer outside, access above-mentioned analytical equipment.
Divider resistance in the application can be, but not limited to using RXG24-100W-2RJ aluminum-housed resistors, power 100 Watt, resistance value is 2 ohm.In order to ensure that a PT first windings ground connection is reliable, 2 resistance may be used simultaneously in the divider resistance of series connection Connection is 200 watts, 1 ohm after in parallel, and by cable extraction voltage signal, divider resistance secondary side is 4 ends at divider resistance both ends Son, 1 end:Sky, 2 ends:Sky, 3 ends:Output terminal, 4 ends:Publicly (⊥:0V), the voltage of generator is drawn by 4 core pre-fabricated electric cables Outside mutual inductor, above-mentioned analytical equipment is accessed.
As an alternative embodiment, above-mentioned analytical equipment, including:Input element, for receiving above-mentioned first electricity Press signal and above-mentioned second voltage signal;Analog-digital converter is connect with above-mentioned input element, for by above-mentioned first voltage signal It is converted to the first digital quantity and above-mentioned second voltage signal is converted into the second digital quantity;Processor, with above-mentioned analog-to-digital conversion Device connects, and for carrying out calculation process to above-mentioned first digital quantity, obtains the first current data and to above-mentioned second digital quantity Calculation process is carried out, obtains the second current data.
In a kind of optional embodiment, above-mentioned analog-digital converter can be A/D converter, and above-mentioned processor can be Cpu chip, in this application, above-mentioned A/D converter and above-mentioned cpu chip can be integrated in above-mentioned aDF1024 wave tracers In, but can also be individually present, it can still realize above-mentioned technique effect.
In a kind of optional embodiment, above-mentioned processor is additionally operable to more above-mentioned first current data and scheduled current The size of data and above-mentioned second current data and above-mentioned scheduled current size of data, wherein, if above-mentioned first current data It is more than above-mentioned scheduled current data with any one current data in above-mentioned second current data, it is determined that above-mentioned voltage transformer Operation conditions it is abnormal.
Since the operation conditions in voltage transformer is normal, the numerical value of electric current is very small, therefore, above-mentioned pre- Constant current data can be, but not limited to 5A, it should be noted that above-mentioned scheduled current data can determine according to circumstances, the application This is not specifically limited, it is only schematically illustrate.
As an alternative embodiment, above system further includes:Target terminal connect with above-mentioned processor, is used for Show above-mentioned first current data and above-mentioned first current data.
In alternative embodiment provided herein, can also in real time on the terminal device (such as PC machine) show voltage The operating parameters such as current amplitude, phase, the waveform of mutual inductor, when voltage transformer electric current reaches setting value (can be preset as 5A) When, current amplitude, phase, the waveform of the voltage transformer of acquisition and record generator.
It should be noted that the concrete structure of the system of monitoring voltage mutual inductor only shows shown in Fig. 1 in the application Meaning, in specific application, the system of the monitoring voltage mutual inductor in the application can have than shown in figure 1 more or few knots Structure.
Embodiment 2
According to embodiments of the present invention, a kind of embodiment of the method for monitoring voltage mutual inductor is provided, it should be noted that The step of flow of attached drawing illustrates can perform in the computer system of such as a group of computer-executable instructions, also, It, in some cases, can be to be different from shown in sequence herein performs although showing logical order in flow charts The step of going out or describing.
Fig. 2 is a kind of step flow chart of the method for monitoring voltage mutual inductor according to embodiments of the present invention, such as Fig. 2 institutes Show, this method comprises the following steps:
Step S102, the first voltage signal of receiving voltage mutual inductor and second voltage signal;
Step S104, determine the first current data corresponding with above-mentioned first voltage signal and with above-mentioned second voltage Corresponding second current data of signal;
Step S106 by analyzing above-mentioned first current data and above-mentioned second current data, determines above-mentioned mutual induction of voltage Whether the operation conditions of device is normal.
In embodiments of the present invention, pass through the first voltage signal of receiving voltage mutual inductor and second voltage signal;It determines The first current data corresponding with above-mentioned first voltage signal and the second electric current number corresponding with above-mentioned second voltage signal According to;By analyzing above-mentioned first current data and above-mentioned second current data, determining the operation conditions of above-mentioned voltage transformer is It is no normal, achieve the purpose that the operation conditions of effective monitoring voltage mutual inductor, it is achieved thereby that improving the work of voltage transformer Make the technique effect of efficiency and safety, so solve existing monitoring mode can not effective monitoring voltage mutual inductor operation The technical issues of situation.
In a kind of optional embodiment, in the embodiment that above-mentioned steps S102 is provided to step S106, executive agent Can be a kind of analytical equipment, wherein, which can be a kind of wave tracer, for example, aDF1024 waveform recordings Instrument, and the wave tracer can also be the wave tracer after improvement.
In the embodiment of the present application, the of Hall element (can be Hall sensor) collection voltages mutual inductor can be passed through One voltage signal, the second voltage signal of divider resistance collection voltages mutual inductor.Wherein, the input terminal of Hall sensor can with but The first winding ground terminal of punching access voltage transformer is not limited to, hall sensor output can meet divider resistance M The connected copper bar in end, the first winding ground wire of copper bar access voltage transformer that divider resistance is publicly connected.
It should be noted that improve monitoring effect and Security of test, the quantity of above-mentioned divider resistance can with but it is unlimited In two, for example, can be two resistance being connected in parallel.
Hall element and divider resistance, the secondary side letter of Hall element are accessed in the voltage transformer first winding of generator It number draws, the first voltage signal of acquisition send after transformation to high-performance A/D converter, and it is mutual to calculate voltage after CPU operations The primary circuit current value i1 of sensor;Divider resistance both ends are passed through by cable extraction voltage signal, the second voltage signal of acquisition The primary circuit current value i2 that voltage transformer to high-performance A/D converter, is calculated after CPU operations is sent after crossing transformation, is passed through Ohm's law calculates, it may be determined that the current data determined with voltage signal, and then can reach accurate and measure and record in real time PT current datas (operating parameters such as amplitude, phase, waveform).
In the embodiment of the present application, the mode being combined by using Hall element with electric resistance partial pressure is realized and is measured accurately Property be mutually authenticated measure generator voltage transformer electric current, fuse melting of voltage transformer and coil turn-to-turn can be found out Short-circuit reason takes the targetedly precautionary measures, avoids PT fuses or coil scaling loss, ensures voltage transformer equipment and hair The safe and stable operation of motor group.
As a kind of optional embodiment, Fig. 3 is a kind of optional monitoring voltage mutual inductor according to embodiments of the present invention Method step flow chart, as shown in figure 3, by analyzing above-mentioned first current data and above-mentioned second current data, determine Whether the operation conditions of above-mentioned voltage transformer is normal, including:
Step S202, size and above-mentioned second electric current number of more above-mentioned first current data with scheduled current data According to above-mentioned scheduled current size of data;
Step S204, if any one current data in above-mentioned first current data and above-mentioned second current data is more than Above-mentioned scheduled current data, it is determined that the operation conditions of above-mentioned voltage transformer is abnormal.
In a kind of optional embodiment, above-mentioned steps S202 to step S204, place can be performed by above-mentioned processor It can be the cpu chip being integrated in above-mentioned aDF1024 wave tracers to manage device, or independent cpu chip.
Since the operation conditions in voltage transformer is normal, the numerical value of electric current is very small, therefore, above-mentioned pre- Constant current data can be, but not limited to 5A, it should be noted that above-mentioned scheduled current data can determine according to circumstances, the application This is not specifically limited, it is only schematically illustrate.
In a kind of optional embodiment, Fig. 4 is a kind of optional monitoring voltage mutual inductor according to embodiments of the present invention Method step flow chart, as shown in figure 4, in determining the first current data corresponding with first voltage signal and with After corresponding second current data of two voltage signals, the above method further includes:
Above-mentioned first current data and above-mentioned second current data are sent to target terminal by step S302;
Step S304 monitors the display interface of above-mentioned target terminal, wherein, above-mentioned display interface is used to show above-mentioned first Current data and above-mentioned second current data.
It, can be by aDF1024 wave tracers by above-mentioned first current data and upper in a kind of optional embodiment It states the second current data and is sent to target terminal, and monitor the display interface of above-mentioned target terminal in real time.
In alternative embodiment provided herein, can also in real time on the terminal device (such as PC machine) show voltage The operating parameters such as current amplitude, phase, the waveform of mutual inductor, when voltage transformer electric current reaches setting value (can be preset as 5A) When, current amplitude, phase, the waveform of the voltage transformer of acquisition and record generator.
It should be noted that the side of any one optional or preferred monitoring voltage mutual inductor in above-described embodiment 1 Method can be performed or be realized in the system of monitoring voltage mutual inductor that the present embodiment is provided.
In addition, still it should be noted that the optional or preferred embodiment of the present embodiment may refer to the phase in embodiment 1 Description is closed, details are not described herein again.
Embodiment 3
The embodiment of the present invention additionally provides a kind of device for the method for being used to implement above-mentioned monitoring voltage mutual inductor, and Fig. 5 is The structure diagram of the device of a kind of monitoring voltage mutual inductor according to embodiments of the present invention, as shown in figure 5, above-mentioned monitoring voltage is mutual The device of sensor, including:Receiving module 50, the first determining module 52 and the second determining module 54, wherein,
Receiving module 50, for receiving the first voltage signal of above-mentioned voltage transformer and second voltage signal;First really Cover half block 52, for determine the first current data corresponding with above-mentioned first voltage signal and with above-mentioned second voltage signal Corresponding second current data;Second determining module 54 analyzes above-mentioned first current data and above-mentioned second electric current for passing through Data determine whether the operation conditions of above-mentioned voltage transformer is normal.
It should be noted that above-mentioned modules can be realized by software or hardware, for example, for the latter, It can be accomplished by the following way:Above-mentioned modules can be located in same processor;Alternatively, above-mentioned modules are with arbitrary The mode of combination is located in different processors.
Herein it should be noted that above-mentioned receiving module 50, the first determining module 52 and the second determining module 54 correspond to Step S102 to step S106 in embodiment 2, the example and application scenarios phase that above-mentioned module and corresponding step are realized Together, 2 disclosure of that are not limited to the above embodiments but.It should be noted that above-mentioned module can be with as a part for device It operates in terminal.
It should be noted that the correlation that the optional or preferred embodiment of the present embodiment may refer in Examples 1 and 2 is retouched It states, details are not described herein again.
The device of above-mentioned monitoring voltage mutual inductor can also include processor and memory, above-mentioned receiving module 50, the One determining module 52 and 54 grade of the second determining module store in memory as program unit, and storage is performed by processor Above procedure unit in memory realizes corresponding function.
Comprising kernel in processor, gone in memory to transfer corresponding program unit by kernel, above-mentioned kernel can be set One or more.Memory may include the volatile memory in computer-readable medium, random access memory (RAM) And/or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM), memory includes at least one Storage chip.
The embodiment of the present application additionally provides a kind of storage medium.Optionally, in the present embodiment, above-mentioned storage medium includes The program of storage, wherein, equipment where above-mentioned storage medium is controlled when above procedure is run performs any one above-mentioned monitoring The method of voltage transformer.
Optionally, in the present embodiment, above-mentioned storage medium can be located in computer network Computer terminal group In any one terminal or in any one mobile terminal in mobile terminal group.
The embodiment of the present application additionally provides a kind of processor.Optionally, in the present embodiment, above-mentioned processor is used to run Program, wherein, the method that above procedure performs any one above-mentioned monitoring voltage mutual inductor when running.
The embodiment of the present application provides a kind of equipment, and equipment includes processor, memory and storage on a memory and can The program run on a processor, processor realize following steps when performing program:The first voltage letter of receiving voltage mutual inductor Number and second voltage signal;Determine the first current data corresponding with above-mentioned first voltage signal and with above-mentioned second voltage Corresponding second current data of signal;By analyzing above-mentioned first current data and above-mentioned second current data, above-mentioned electricity is determined Whether the operation conditions for pressing mutual inductor is normal.
It optionally, can also more above-mentioned first current data and scheduled current data when above-mentioned processor performs program Size and above-mentioned second current data and above-mentioned scheduled current size of data;If above-mentioned first current data and above-mentioned Any one current data in two current datas is more than above-mentioned scheduled current data, it is determined that the operation of above-mentioned voltage transformer Situation is abnormal.
It optionally, can also be by above-mentioned first current data and above-mentioned second electric current number when above-mentioned processor performs program According to being sent to target terminal;The display interface of above-mentioned target terminal is monitored, wherein, above-mentioned display interface is used to show above-mentioned first Current data and above-mentioned second current data.
Present invention also provides a kind of computer program products, first when being performed on data processing equipment, being adapted for carrying out The program of beginningization there are as below methods step:The first voltage signal of receiving voltage mutual inductor and second voltage signal;Determine with it is upper State corresponding first current data of first voltage signal and the second current data corresponding with above-mentioned second voltage signal;It is logical It crosses and analyzes above-mentioned first current data and above-mentioned second current data, whether just to determine the operation conditions of above-mentioned voltage transformer Often.
Optionally, when above computer program product performs program, can also more above-mentioned first current data with it is predetermined The size of current data and above-mentioned second current data and above-mentioned scheduled current size of data;If above-mentioned first current data It is more than above-mentioned scheduled current data with any one current data in above-mentioned second current data, it is determined that above-mentioned mutual induction of voltage The operation conditions of device is abnormal.
It optionally, can also be by above-mentioned first current data and above-mentioned the when above computer program product performs program Two current datas are sent to target terminal;The display interface of above-mentioned target terminal is monitored, wherein, above-mentioned display interface is used to show Above-mentioned first current data and above-mentioned second current data.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasize particularly on different fields to the description of each embodiment, do not have in some embodiment The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or Person is desirably integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple On unit.Some or all of unit therein can be selected according to the actual needs to realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products It embodies, which is stored in a storage medium, is used including some instructions so that a computer Equipment (can be personal computer, server or network equipment etc.) perform each embodiment the method for the present invention whole or Part steps.And aforementioned storage medium includes:USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

  1. A kind of 1. method of monitoring voltage mutual inductor, which is characterized in that including:
    The first voltage signal of receiving voltage mutual inductor and second voltage signal;
    Determine the first current data corresponding with the first voltage signal and with the second voltage signal corresponding second Current data;
    By analyzing first current data and second current data, determining the operation conditions of the voltage transformer is It is no normal.
  2. 2. according to the method described in claim 1, it is characterized in that, by analyzing first current data and second electricity Flow data determines whether the operation conditions of the voltage transformer is normal, including:
    Compare the size of first current data and scheduled current data and second current data and the predetermined electricity Flow data size;
    If any one current data in first current data and second current data is more than the scheduled current Data, it is determined that the operation conditions of the voltage transformer is abnormal.
  3. 3. method according to claim 1 or 2, which is characterized in that determining corresponding with the first voltage signal the After one current data and the second current data corresponding with the second voltage signal, the method further includes:
    First current data and second current data are sent to target terminal;
    The display interface of the target terminal is monitored, wherein, the display interface is used to show first current data and institute State the second current data.
  4. 4. a kind of system of monitoring voltage mutual inductor, which is characterized in that including:
    First predetermined element accesses the first winding of voltage transformer in generator, for acquiring the of the voltage transformer One voltage signal;
    Second predetermined element accesses the first winding, for acquiring the second voltage signal of the voltage transformer;
    Analytical equipment is connect with first predetermined element and second predetermined element, for determining and the first voltage Corresponding first current data of signal and the second current data corresponding with the second voltage signal, and pass through and analyze institute The first current data and second current data are stated, determines whether the operation conditions of the voltage transformer is normal.
  5. 5. system according to claim 4, which is characterized in that the analytical equipment, including:
    Input element, for receiving the first voltage signal and the second voltage signal;
    Analog-digital converter is connect with the input element, for by the first voltage signal be converted to the first digital quantity and The second voltage signal is converted into the second digital quantity;
    Processor is connect with the analog-digital converter, for carrying out calculation process to first digital quantity, obtains the first electric current Data and to second digital quantity carry out calculation process, obtain the second current data.
  6. 6. system according to claim 5, which is characterized in that
    The processor is additionally operable to the size of the first current data described in comparison and scheduled current data and second electricity Flow data and the scheduled current size of data, wherein, if arbitrary in first current data and second current data One current data is more than the scheduled current data, it is determined that the operation conditions of the voltage transformer is abnormal.
  7. 7. system according to claim 5, which is characterized in that the system also includes:
    Target terminal is connected to the processor, for showing first current data and first current data.
  8. 8. the system according to any one in claim 4 to 7, which is characterized in that
    First predetermined element is Hall element, and the first end of the Hall element accesses the ground terminal of the first winding Son;The second end of the Hall element accesses the analytical equipment;
    Second predetermined element is divider resistance, and the first end of the divider resistance accesses the ground terminal of the first winding Son;The second end of the divider resistance accesses the analytical equipment.
  9. 9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein, described program performs such as Lower method and step:The first voltage signal of receiving voltage mutual inductor and second voltage signal;It determines and the first voltage signal Corresponding first current data and the second current data corresponding with the second voltage signal;By analyzing described first Current data and second current data determine whether the operation conditions of the voltage transformer is normal.
  10. 10. a kind of processor, which is characterized in that the processor is used to run program, wherein, it is performed such as when described program is run Lower method and step:The first voltage signal of receiving voltage mutual inductor and second voltage signal;It determines and the first voltage signal Corresponding first current data and the second current data corresponding with the second voltage signal;By analyzing described first Current data and second current data determine whether the operation conditions of the voltage transformer is normal.
CN201711244338.1A 2017-11-30 2017-11-30 The method and system of monitoring voltage mutual inductor Pending CN108226844A (en)

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CN111474511A (en) * 2020-05-14 2020-07-31 润电能源科学技术有限公司 Abnormity early warning method, system, equipment and storage medium of voltage transformer
CN112735793A (en) * 2020-12-21 2021-04-30 北京中车赛德铁道电气科技有限公司 Double-flow system voltage transformer for locomotive

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CN203519793U (en) * 2013-11-06 2014-04-02 国家电网公司 Non-contact remote monitoring system for PT fuses
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Publication number Priority date Publication date Assignee Title
CN101667489A (en) * 2008-09-01 2010-03-10 周有庆 Current mode electronic voltage transformer for detecting capacitance or resistance
CN201936442U (en) * 2011-02-25 2011-08-17 华北电力大学 On-line monitoring system for capacitance voltage transformer
CN102435903A (en) * 2011-11-14 2012-05-02 国网电力科学研究院 Online monitoring device for turn-to-turn short circuit of voltage transformer
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111474511A (en) * 2020-05-14 2020-07-31 润电能源科学技术有限公司 Abnormity early warning method, system, equipment and storage medium of voltage transformer
CN112735793A (en) * 2020-12-21 2021-04-30 北京中车赛德铁道电气科技有限公司 Double-flow system voltage transformer for locomotive

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