CN108226722A - Insulated monitoring method, apparatus and system - Google Patents

Insulated monitoring method, apparatus and system Download PDF

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Publication number
CN108226722A
CN108226722A CN201711378595.4A CN201711378595A CN108226722A CN 108226722 A CN108226722 A CN 108226722A CN 201711378595 A CN201711378595 A CN 201711378595A CN 108226722 A CN108226722 A CN 108226722A
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CN
China
Prior art keywords
voltage
mentioned
alternating voltage
warning information
mutual induction
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CN201711378595.4A
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Chinese (zh)
Inventor
马金波
张鑫
李学智
范志国
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Lingzhou Power Plant Of Ningxia Luning Coal Power Co Ltd
Shenhua Group Corp Ltd
Shenhua Guoneng Group Corp Ltd
Original Assignee
Lingzhou Power Plant Of Ningxia Luning Coal Power Co Ltd
Shenhua Group Corp Ltd
Shenhua Guoneng Group Corp Ltd
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Application filed by Lingzhou Power Plant Of Ningxia Luning Coal Power Co Ltd, Shenhua Group Corp Ltd, Shenhua Guoneng Group Corp Ltd filed Critical Lingzhou Power Plant Of Ningxia Luning Coal Power Co Ltd
Priority to CN201711378595.4A priority Critical patent/CN108226722A/en
Publication of CN108226722A publication Critical patent/CN108226722A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

The invention discloses a kind of insulated monitoring method, apparatus and systems.Wherein, this method includes:The alternating voltage of voltage transformer in mutual induction of voltage equipment is obtained, and above-mentioned alternating voltage is converted into analog quantity;Whether the voltage value for determining above-mentioned alternating voltage according to above-mentioned analog quantity changes, wherein, above-mentioned voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;When the voltage value for determining above-mentioned alternating voltage changes, warning information is generated.The present invention solves the variation that can not monitor alternating voltage in real time in the prior art, and the technical issues of send out alarm in time.

Description

Insulated monitoring method, apparatus and system
Technical field
The present invention relates to electric power monitoring field, in particular to a kind of insulated monitoring method, apparatus and system.
Background technology
In order to ensure equipment and the safety of the person in power equipment operation, in isolated neutral electrical system generally all Installation insulation monitoring device (such as insulating monitoring relay) can be designed, is sent out when generation insulation damages lead to singlephase earth fault Go out alarm signal, make maintenance personnel's handling failure as early as possible.But this design, there are drawback, insulation monitoring device sends out alarm During signal, earth fault has occurred and that, operations staff and maintenance personnel cannot when insulation starts to reduce with regard to that can note abnormalities, and In time take measures that failure is avoided to continue to expand.In addition some failures are not direct metal ground connection, and earth point has resistance value to cause Working value is not achieved in insulation monitoring device, and without sending out warning information, maintenance personnel is unable to timely processing failure, causes earth point electric Arc current is burnt equipment, and may cause electric arc overvoltage, makes equipment that the catastrophe failure of phase fault occur.
When the insulation of any phase is destroyed and is grounded in station-service 6~10kV isolated neutral systems, each phase-to-ground voltage and Capacitive earth current can all change, and when failure phase dead ground (metallic earthing), its voltage-to-ground is zero, busbar PT Secondary opening winding voltage is phase voltage, its voltage-to-ground is zero to mutually electricity when failure phase earth point has resistance partial earth It is fluctuated between pressure.During normal operation, busbar insulation against ground is intact, and open-triangular winding voltage is not in big fluctuation and numerical value Very little, when monitoring, fluctuating occurs in open delta voltage or numerical value raising illustrates busbar insulation against ground there are weak places.Using Conventional insulating monitoring equipment (such as insulating monitoring relay), principle are one working values of setting, when reaching working value fashionable dress It puts action and sends out warning information, it, cannot be in real time to mother although insulation monitoring device can send out warning information in single-phase earthing Line insulation situation is monitored, it is impossible to pass through the voltage change trend analysis busbar insulation against ground feelings that are open to busbar PT secondary windings Condition can not find that there are hidden danger for busbar insulation against ground early.
The problem of variation of alternating voltage can not be monitored in for the above-mentioned prior art in real time, and send out alarm in time, mesh It is preceding not yet to propose effective solution.
Invention content
An embodiment of the present invention provides a kind of insulated monitoring method, apparatus and system, at least solve in the prior art without Method monitors the variation of alternating voltage in real time, and the technical issues of send out alarm in time.
One side according to embodiments of the present invention provides a kind of type insulation monitoring system, including:Voltage transmitter is used In the alternating voltage of voltage transformer in acquisition mutual induction of voltage equipment, and above-mentioned alternating voltage is converted into analog quantity;Control is set It is standby, it is connect with above-mentioned voltage transmitter, for determining whether the voltage value of above-mentioned alternating voltage becomes according to above-mentioned analog quantity Change, wherein, above-mentioned voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;Monitoring device, with above-mentioned control Control equipment connects, and during for changing in the voltage value for monitoring above-mentioned alternating voltage, generates warning information.
Further, above-mentioned monitoring device is additionally operable to send above-mentioned warning information to target terminal, wherein, above-mentioned alarm letter Breath is used to indicate target object and performs operation corresponding with above-mentioned warning information.
Further, above system further includes:Insulation monitoring device is connect with above-mentioned voltage transformer, for monitoring When being greater than or equal to the voltage value of predetermined voltage to the voltage value of above-mentioned alternating voltage, determine that above-mentioned mutual induction of voltage equipment occurs on State insulation fault.
Further, above-mentioned voltage transmitter accesses the voltage circuit in above-mentioned mutual induction of voltage equipment, above-mentioned for acquiring The alternating voltage of voltage transformer output;Above system further includes:Air switch is returned with above-mentioned voltage transmitter and above-mentioned voltage Road connects, for establishing or disconnecting the connection of above-mentioned voltage transmitter and above-mentioned voltage circuit.
One side according to embodiments of the present invention provides a kind of insulated monitoring method, including:Mutual induction of voltage is obtained to set The alternating voltage of standby interior voltage transformer, and above-mentioned alternating voltage is converted into analog quantity;It is determined according to above-mentioned analog quantity above-mentioned Whether the voltage value of alternating voltage changes, wherein, above-mentioned voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs Insulation fault;When the voltage value for determining above-mentioned alternating voltage changes, warning information is generated.
Further, after warning information is generated, the above method further includes:Above-mentioned warning information is sent to target end End, wherein, above-mentioned warning information is used to indicate target object and performs operation corresponding with above-mentioned warning information.
Further, while whether the voltage value that above-mentioned alternating voltage is determined according to above-mentioned analog quantity changes, The above method further includes:Monitor the alternating voltage of above-mentioned voltage transformer output;Monitoring that above-mentioned alternating voltage is more than or equal to In the case of predetermined voltage, determine that above-mentioned insulation fault occurs for above-mentioned mutual induction of voltage equipment.
One side according to embodiments of the present invention provides a kind of insulation monitoring device, including:Acquisition module is used for The alternating voltage of voltage transformer in mutual induction of voltage equipment is obtained, and above-mentioned alternating voltage is converted into analog quantity;Determining module, For determining whether the voltage value of above-mentioned alternating voltage changes according to above-mentioned analog quantity, wherein, above-mentioned voltage value is for anti- Reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;Generation module, in the voltage value hair for determining above-mentioned alternating voltage During changing, warning information is generated.
One side according to embodiments of the present invention, provides a kind of storage medium, and above-mentioned storage medium includes storage Program, wherein, above procedure performs the above-mentioned insulated monitoring method of any one.
One side according to embodiments of the present invention provides a kind of processor, and above-mentioned processor is used to run program, In, any one above-mentioned insulated monitoring method is performed when above procedure is run.
In embodiments of the present invention, by obtaining the alternating voltage of voltage transformer in mutual induction of voltage equipment, and will be above-mentioned Alternating voltage is converted to analog quantity;Whether the voltage value for determining above-mentioned alternating voltage according to above-mentioned analog quantity changes, wherein, Above-mentioned voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;In the voltage value for determining above-mentioned alternating voltage When changing, warning information is generated, has achieved the purpose that the variation of real-time monitoring alternating voltage, it is achieved thereby that timely busbar Hidden danger existing for insulation against ground, improves the technique effect of mutual induction of voltage equipment operational reliability, and then solves the prior art In can not monitor the variation of alternating voltage in real time, and the technical issues of send out alarm in time.
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 type insulation monitoring system according to embodiments of the present invention;
Fig. 2 is a kind of structure diagram of optional type insulation monitoring system according to embodiments of the present invention;
Fig. 3 is a kind of step flow chart of insulated monitoring method according to embodiments of the present invention;
Fig. 4 is a kind of step flow chart of optional insulated monitoring method according to embodiments of the present invention;And
Fig. 5 is a kind of structure diagram of insulation monitoring device 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:
Voltage transmitter:Be it is a kind of by tested alternating voltage, DC voltage, pulse voltage be converted by linear scale export DC voltage or DC current and the device that output analog signal or digital signal is isolated.
Voltage transformer (PT) and transformer's type are the instruments of the voltage on conversion line seemingly, voltage of transformation Purpose is that for measuring the voltage of circuit, power and electric energy, therefore voltage is mutual to measuring instrumentss and protective relaying device power supply The capacity very little of sensor.
Scattered control system (Distributed Control System, Distributed Calculation control system), abbreviation DCS refers to microprocessor Based on, disperseed using control function, display operation is concentrated, taken into account point and a new generation of design principle that is autonomous and synthesizing and coordinating Blind controller system.
Embodiment 1
An embodiment of the present invention provides a kind of type insulation monitoring system, Fig. 1 is a kind of insulation prison according to embodiments of the present invention The structure diagram of examining system, as shown in Figure 1, the system includes:Voltage transmitter 10, control device 12 and monitoring device 14, In,
Voltage transmitter 10, for obtaining the alternating voltage of voltage transformer in mutual induction of voltage equipment, and by above-mentioned exchange Voltage is converted to analog quantity;Control device 12 is connect with above-mentioned voltage transmitter, for determining above-mentioned friendship according to above-mentioned analog quantity Whether the voltage value of galvanic electricity pressure changes, wherein, above-mentioned voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs absolutely Reason hinders;Monitoring device 14 is connect with above-mentioned control device, for changing in the voltage value for monitoring above-mentioned alternating voltage When, generate warning information.
In embodiments of the present invention, by voltage transmitter 10, for obtaining voltage transformer in mutual induction of voltage equipment Alternating voltage, and above-mentioned alternating voltage is converted into analog quantity;Control device 12 is connect with above-mentioned voltage transmitter, for according to Whether the voltage value for determining above-mentioned alternating voltage according to above-mentioned analog quantity changes, wherein, above-mentioned voltage value is above-mentioned for reflecting Whether mutual induction of voltage equipment occurs insulation fault;Monitoring device 14 is connect with above-mentioned control device, for monitoring above-mentioned friendship When the voltage value of galvanic electricity pressure changes, warning information is generated, has achieved the purpose that the variation of real-time monitoring alternating voltage, so as to Hidden danger existing for realizing timely busbar insulation against ground improves the technique effect of mutual induction of voltage equipment operational reliability, and then The variation of alternating voltage can not be monitored in real time in the prior art by solving, and the technical issues of send out alarm in time.
Optionally, above-mentioned analog quantity can be the weak current signal of 4~20mA, and above-mentioned control device 12 can be dispersion control System (DCS) processed, above-mentioned monitoring device 14 for operating personnel's (operation maintenance personnel) for active station side can monitor in real time Terminal device, the range of above-mentioned voltage transmitter 10 can be 0~120V.
In a kind of optional embodiment, alternating voltage can be transformed into corresponding scattered control system by voltage transmitter The weak current signal that can be identified;The model of above-mentioned voltage transmitter can be preferably S3 (T)-VD, input voltage transmitter Voltage value can be 0~120V, and analog quantity can be 4~20mA.
It still needs to it is noted that the Alternative Voltage Converter of other models can be selected instead of the above-mentioned voltage in the application Transmitter 10, in addition it is also possible to select other microcomputer type voltage acquisition equipment, equipment 12 provides weak current signal in order to control;It is above-mentioned Control device 12 or the other equipment that can realize the application function, the application is not specific to this to be limited.
In a kind of optional embodiment, above-mentioned voltage transmitter 10 can be connected in parallel on the both sides of insulation monitoring device, obtain Take the alternating voltage of voltage transformer in mutual induction of voltage equipment, and by the voltage value of above-mentioned alternating voltage be converted to analog quantity (4~ The weak electric signal of 20mA) and control device 12 is sent to, above-mentioned control device 12 can determine above-mentioned friendship according to above-mentioned analog quantity Whether the voltage value of galvanic electricity pressure changes, and the variation tendency of voltage value can be analyzed, and can be obtained by analysis Go out the whether good conclusion of bus insulation, and reason is searched early when voltage fluctuates, eliminate what insulation reduced in time Hidden danger improves mutual induction of voltage equipment reliability of operation.
In a kind of optional embodiment, above-mentioned control device 12 can also set terminal of the above-mentioned analog quantity in active station Standby real-time display, and one or more is set to be convenient for for triggering the alarm threshold of alarm for the variation of above-mentioned voltage value Operating personnel check in time.
In a kind of optional embodiment, above-mentioned voltage transmitter 10, the voltage accessed in above-mentioned mutual induction of voltage equipment returns Road, for acquiring the alternating voltage of above-mentioned voltage transformer output;Fig. 2 is the optional insulation of one kind according to embodiments of the present invention The structure diagram of monitoring system, as shown in Fig. 2, above system further includes:Air switch 16, with above-mentioned voltage transmitter and above-mentioned Voltage circuit connects, for establishing or disconnecting the connection of above-mentioned voltage transmitter and above-mentioned voltage circuit.
In a kind of optional embodiment, above-mentioned air switch 16 can be the alternating current air switch of 1A, in voltage transmission When device 10 accesses voltage circuit, an alternating current air switch can be increased, during in order to replace voltage transmitter 10, disconnected current Voltage transmitter and voltage circuit connection, it should be noted that two air switches, but air switch 16 are shown in Fig. 2 Quantity be not limited to this, or one or more than two.
As a kind of optional embodiment, the electricity that setting range is 0~120V in busbar voltage mutual inductance equipment (PT cabinets) Pressure transmitter is spaced apart with exchanging for 1A, uses 2.5mm2Conducting wire (for example, copper conductor) voltage transmitter is attempted by insulating monitoring Device both sides, concatenation is exchanged and is spaced apart between voltage transmitter and insulation monitoring device.The weak electric signal of voltage transmitter output Pass through 4*1.5mm2Shielded cable lead to above-mentioned control device 12, specifically, the access that can also have friendly relations to thermal technology's profession ditch is corresponding Module channels, thermal technology's profession makes corresponding display picture, range 4~20mA corresponding opening triangles in above-mentioned control device 12 0~120V of voltage.
In a kind of optional embodiment, above system further includes:Power module is connect with above-mentioned voltage transmitter, is used It powers in for above-mentioned voltage transmitter.
It should be noted that the power supply that voltage transmitter is not shown in Fig. 2, optionally, PT cabinets may be used in power supply Interior AC power can also be used ups power or use 24V power modules.
It is not small that use is can be, but not limited in a kind of optional embodiment, between voltage circuit and above-mentioned voltage transmitter In 2.5mm2Copper conductor be attached, the analog signals line between above-mentioned voltage transmitter and control device may be used 1.5mm2Shielded copper wire, in addition, communication line between control device and monitoring device can according to by thermal technology's profession come really It is fixed.
It should be noted that other secondary connections in the application can be, but not limited to using 2.5mm2Sub-thread copper core Connection.
By the above embodiments of the present application, the monitoring secondary opening winding voltage of bus-bar potential transformer in real time can be realized Value by the variation tendency of analysis voltage value, can grasp the actual conditions of busbar insulation against ground in real time, it is found that bus insulation is opened Alarm can be just sent out during beginning variation in time, operating personnel can early eliminate insulation hidden danger in budding state, prevent insulation event The further expansion of barrier, it is especially very sensitive rapid to the reflection of the abnormal conditions such as humidified insulation, it greatly improves mutual induction of voltage and sets Standby operational reliability.
In a kind of optional embodiment, above-mentioned monitoring device is additionally operable to send above-mentioned warning information to target terminal, In, above-mentioned warning information is used to indicate target object and performs operation corresponding with above-mentioned warning information.
Optionally, above-mentioned target terminal can be above-mentioned with terminal devices such as mobile terminal, terminal, monitoring center PC Target object can be operating personnel's (operation maintenance personnel);The warning information received can be informed operator by above-mentioned target terminal Member, and then indicate that operating personnel are handled the warning content in warning information according to warning information.
In a kind of optional embodiment, still as shown in Fig. 2, above system further includes:Insulation monitoring device 18, it is and above-mentioned Voltage transformer connect, for the voltage value for monitoring above-mentioned alternating voltage be greater than or equal to predetermined voltage voltage value when, Determine that above-mentioned insulation fault occurs for above-mentioned mutual induction of voltage equipment.
By the above embodiments of the present application, it can realize that the alternating voltage in voltage apparatus is more than or equal to the feelings of predetermined voltage Under condition, determine that above-mentioned insulation fault occurs for above-mentioned mutual induction of voltage equipment, and above-mentioned insulation fault is handled in time.
It should be noted that the concrete structure of type insulation monitoring system shown in Fig. 1 to Fig. 2 in the application is only signal, In specific application, the type insulation monitoring system in the application can have more or few than Fig. 1 to type insulation monitoring system shown in Fig. 2 Structure.
It, can be with it should be noted that any one optional or preferred insulated monitoring method in following embodiments 2 It performs or realizes in the type insulation monitoring system provided in the present embodiment.
Embodiment 2
According to embodiments of the present invention, a kind of embodiment of the method for insulated monitoring method is provided, it should be noted that attached The step of flow of figure illustrates can perform in the computer system of such as a group of computer-executable instructions, though also, So show logical order in flow charts, but in some cases, can be performed with the sequence being different from herein shown by Or the step of description.
Fig. 3 is a kind of step flow chart of insulated monitoring method according to embodiments of the present invention, as shown in figure 3, this method Include the following steps:
Step S102, obtains the alternating voltage of voltage transformer in mutual induction of voltage equipment, and above-mentioned alternating voltage is converted For analog quantity;
Whether step S104, the voltage value for determining above-mentioned alternating voltage according to above-mentioned analog quantity change, wherein, it is above-mentioned Voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;
Step S106 when the voltage value for determining above-mentioned alternating voltage changes, generates warning information.
In embodiments of the present invention, by obtaining the alternating voltage of voltage transformer in mutual induction of voltage equipment, and will be above-mentioned Alternating voltage is converted to analog quantity;Whether the voltage value for determining above-mentioned alternating voltage according to above-mentioned analog quantity changes, wherein, Above-mentioned voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;In the voltage value for determining above-mentioned alternating voltage When changing, warning information is generated, has achieved the purpose that the variation of real-time monitoring alternating voltage, it is achieved thereby that timely busbar Hidden danger existing for insulation against ground, improves the technique effect of mutual induction of voltage equipment operational reliability, and then solves the prior art In can not monitor the variation of alternating voltage in real time, and the technical issues of send out alarm in time.
In a kind of optional embodiment, the executive agent in above-mentioned steps S102 to step S106 can be insulating monitoring System, wherein, which can be any one type insulation monitoring system in above-described embodiment 1, also, the application The insulated monitoring method provided can be implemented in the type insulation monitoring system in above-described embodiment 1.
As a kind of optional embodiment, after warning information is generated, the above method further includes:Send above-mentioned alarm letter It ceases to target terminal, wherein, above-mentioned warning information is used to indicate target object and performs operation corresponding with above-mentioned warning information.
Optionally, above-mentioned target terminal can be above-mentioned with terminal devices such as mobile terminal, terminal, monitoring center PC Target object can be operating personnel's (operation maintenance personnel);The warning information received can be informed operator by above-mentioned target terminal Member, and then indicate that operating personnel are handled the warning content in warning information according to warning information.
In a kind of optional embodiment, Fig. 4 is a kind of optional insulated monitoring method according to embodiments of the present invention Flow chart of steps, as shown in figure 4, whether changed same in the voltage value that above-mentioned alternating voltage is determined according to above-mentioned analog quantity When, the above method further includes following method and step:
Step S202 monitors the alternating voltage of above-mentioned voltage transformer output;
Step S204 in the case where monitoring that above-mentioned alternating voltage is more than or equal to predetermined voltage, determines that above-mentioned voltage is mutual Feel equipment and above-mentioned insulation fault occurs.
In above-mentioned steps S202 to step 204, can by the insulation monitoring device in above-mentioned type insulation monitoring system come The alternating voltage of above-mentioned voltage transformer output is monitored, and is monitoring situation of the above-mentioned alternating voltage more than or equal to predetermined voltage Under, determine that above-mentioned insulation fault occurs for above-mentioned mutual induction of voltage equipment.
By above-mentioned steps, can realize in the case where the alternating voltage of voltage apparatus is more than or equal to predetermined voltage, really Above-mentioned insulation fault occurs for fixed above-mentioned mutual induction of voltage equipment, and above-mentioned insulation fault is handled in time.
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 being used to implement above-mentioned insulated monitoring method, and Fig. 5 is according to this hair A kind of structure diagram of insulation monitoring device of bright embodiment, as shown in figure 5, above-mentioned insulation monitoring device, including:Acquisition module 50th, determining module 52 and generation module 54, wherein,
Acquisition module 50, for obtaining the alternating voltage of voltage transformer in mutual induction of voltage equipment, and by above-mentioned alternating current Pressure is converted to analog quantity;Determining module 52, for determining whether the voltage value of above-mentioned alternating voltage occurs according to above-mentioned analog quantity Variation, wherein, above-mentioned voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;Generation module 54, is used for When the voltage value for determining above-mentioned alternating voltage changes, warning information is generated.
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 acquisition module 50, determining module 52 and generation module 54 correspond in embodiment 2 Step S102 to step S106, above-mentioned module is identical with example and application scenarios that corresponding step is realized, but is not limited to 2 disclosure of that of above-described embodiment.It should be noted that above-mentioned module may operate in computer as a part for device In terminal.
It should be noted that the optional or preferred embodiment of the present embodiment may refer to the associated description in embodiment 1, Details are not described herein again.
Above-mentioned insulation monitoring device can also include processor and memory, above-mentioned acquisition module 50, determining module 52 It is stored in memory as program unit with 54 grade of generation module, above-mentioned journey stored in memory is performed by processor Sequence unit 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 insulation Monitoring method.
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, above procedure performs any one above-mentioned insulated monitoring method 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:Obtain mutual induction of voltage in mutual induction of voltage equipment The alternating voltage of device, and above-mentioned alternating voltage is converted into analog quantity;The electricity of above-mentioned alternating voltage is determined according to above-mentioned analog quantity Whether pressure value changes, wherein, above-mentioned voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;True When the voltage value of fixed above-mentioned alternating voltage changes, warning information is generated.
Optionally, when above-mentioned processor performs program, above-mentioned warning information can also be sent to target terminal, wherein, on It states warning information and is used to indicate target object execution operation corresponding with above-mentioned warning information.
Optionally, when above-mentioned processor performs program, the alternating voltage of above-mentioned voltage transformer output can also be monitored; In the case of monitoring that above-mentioned alternating voltage is more than or equal to predetermined voltage, determine that above-mentioned insulation event occurs for above-mentioned mutual induction of voltage equipment Barrier.
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 alternating voltage of voltage transformer in mutual induction of voltage equipment is obtained, and by above-mentioned exchange Voltage is converted to analog quantity;Whether the voltage value for determining above-mentioned alternating voltage according to above-mentioned analog quantity changes, wherein, it is above-mentioned Voltage value is used to reflect whether above-mentioned mutual induction of voltage equipment occurs insulation fault;Occur in the voltage value for determining above-mentioned alternating voltage During variation, warning information is generated.
Optionally, when above computer program product performs program, above-mentioned warning information can also be sent to target terminal, Wherein, above-mentioned warning information is used to indicate target object and performs operation corresponding with above-mentioned warning information.
Optionally, when above computer program product performs program, the friendship of above-mentioned voltage transformer output can also be monitored Galvanic electricity pressure;In the case where monitoring that above-mentioned alternating voltage is more than or equal to predetermined voltage, determine that above-mentioned mutual induction of voltage equipment occurs Above-mentioned insulation fault.
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 type insulation monitoring system, which is characterized in that including:
Voltage transmitter for obtaining the alternating voltage of voltage transformer in mutual induction of voltage equipment, and the alternating voltage is turned It is changed to analog quantity;
Control device is connect with the voltage transmitter, for determining the voltage value of the alternating voltage according to the analog quantity Whether change, wherein, the voltage value is used to reflect whether the mutual induction of voltage equipment occurs insulation fault;
Monitoring device is connect with the control device, raw during for changing in the voltage value for monitoring the alternating voltage Into warning information.
2. system according to claim 1, which is characterized in that the monitoring device is additionally operable to send the warning information extremely Target terminal, wherein, the warning information is used to indicate target object and performs operation corresponding with the warning information.
3. system according to claim 1, which is characterized in that the system also includes:
Insulation monitoring device is connect with the voltage transformer, for being more than in the voltage value for monitoring the alternating voltage or Equal to predetermined voltage voltage value when, determine that the insulation fault occurs for the mutual induction of voltage equipment.
4. system according to claim 1, which is characterized in that
The voltage transmitter accesses the voltage circuit in the mutual induction of voltage equipment, defeated for acquiring the voltage transformer The alternating voltage gone out;
The system also includes:
Air switch is connect with the voltage transmitter and the voltage circuit, for establishing or disconnecting the voltage transmission The connection of device and the voltage circuit.
5. a kind of insulated monitoring method, which is characterized in that including:
The alternating voltage of voltage transformer in mutual induction of voltage equipment is obtained, and the alternating voltage is converted into analog quantity;
Whether the voltage value for determining the alternating voltage according to the analog quantity changes, wherein, the voltage value is for anti- Reflect whether the mutual induction of voltage equipment occurs insulation fault;
When the voltage value for determining the alternating voltage changes, warning information is generated.
6. according to the method described in claim 5, it is characterized in that, after warning information is generated, the method further includes:
The warning information is sent to target terminal, wherein, the warning information is used to indicate target object and performs and the announcement The corresponding operation of police's information.
7. method according to claim 5 or 6, which is characterized in that determining the alternating voltage according to the analog quantity Voltage value while whether change, the method further includes:
Monitor the alternating voltage of the voltage transformer output;
In the case where monitoring that the alternating voltage is more than or equal to predetermined voltage, determine described in the mutual induction of voltage equipment generation Insulation fault.
8. a kind of insulation monitoring device, which is characterized in that including:
Acquisition module for obtaining the alternating voltage of voltage transformer in mutual induction of voltage equipment, and the alternating voltage is converted For analog quantity;
Determining module, for determining whether the voltage value of the alternating voltage changes according to the analog quantity, wherein, it is described Voltage value is used to reflect whether the mutual induction of voltage equipment occurs insulation fault;
Generation module during for changing in the voltage value for determining the alternating voltage, generates warning information.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein, described program right of execution Profit requires the insulated monitoring method described in any one in 5 to 7.
10. a kind of processor, which is characterized in that the processor is used to run program, wherein, right of execution when described program is run Profit requires the insulated monitoring method described in any one in 5 to 7.
CN201711378595.4A 2017-12-19 2017-12-19 Insulated monitoring method, apparatus and system Pending CN108226722A (en)

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