CN109557466A - Rotary rectifier bridge on-line real time monitoring Design Method, device and storage medium - Google Patents
Rotary rectifier bridge on-line real time monitoring Design Method, device and storage medium Download PDFInfo
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- CN109557466A CN109557466A CN201811324303.3A CN201811324303A CN109557466A CN 109557466 A CN109557466 A CN 109557466A CN 201811324303 A CN201811324303 A CN 201811324303A CN 109557466 A CN109557466 A CN 109557466A
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- rectifier bridge
- faulting
- rotary rectifier
- real time
- time monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
Abstract
The invention discloses a kind of rotary rectifier bridge on-line real time monitoring Design Method, device and storage mediums, the method is suitable for the rotary rectifier bridge of the nuclear power unit using brushless excitation system, comprising: the simulation model of rotary rectifier bridge is established according to the actual parameter of default nuclear power unit；Operating status of the rotary rectifier bridge under non-faulting operating condition and fault condition is emulated according to the simulation model, it is corresponding to obtain non-faulting simulation waveform and fault simulation waveform；The non-faulting simulation waveform and the fault simulation waveform are analyzed, non-faulting harmonic characteristic and failure harmonic characteristic are extracted；The on-line real time monitoring scheme of the rotary rectifier bridge is designed according to the non-faulting harmonic characteristic and the failure harmonic characteristic.The present invention can be realized the design of the on-line real time monitoring scheme to the rotary rectifier bridge of nuclear power unit brushless excitation system, provide analysis foundation for the safe operation of brushless excitation system, and reduce cost.
Description
Technical field
It is real online that the present invention relates to nuclear power unit brushless excitation system field more particularly to a kind of nuclear power station rotary rectifier bridges
When monitoring plan design method, apparatus and computer readable storage medium.
Background technique
As nuclear power plant is using the increasing of nuclear power unit, the failure of brushless excitation system happens occasionally, and gives each core
Power plant brings huge economic losses.The rotary rectifier bridge of nuclear power unit is the important component of brushless excitation system, and
The final most important link realized to rotor-exciting, in order to guarantee that rotary rectifier bridge works normally, need to rotary rectifier bridge into
Row on-line real time monitoring, and fault type is judged in the event of a failure, to issue alarm signal corresponding with fault type
Number, wherein harm brought by short trouble is especially serious, it is necessary to eradicate immediately.
Monitoring and guarantor but since brushless excitation system eliminates slip ring and brush, to the diode of rotary rectifier bridge
Shield is very difficult, which hampers always the development of brushless excitation technology；Meanwhile as rotary rectifier equipment, due to rotation
Rectifier bridge is rotated with the rotor coaxial of exciter, and voltage, electric current can not measure, online therefore, it is difficult to realize to rotary rectifier bridge
Real-time monitoring.
Currently, blank is still belonged at home to the research of the on-line real time monitoring scheme of large nuclear-power unit rotary rectifier bridge,
It is monitored it is reported that having using probe mode, but its monitoring result is unsatisfactory, there is scene feedback to report by mistake, and its skill
Art principle is limited by foreign side's monopolization, needs high maintenance cost, higher cost.Therefore, carry out to the online of rotary rectifier bridge
The research of real-time monitoring scheme has great importance to the safety of nuclear power plant, while also having very big market application value
And prospect.
In view of this, it is necessory to provide a kind of rotary rectifier bridge on-line real time monitoring Design Method, device and meter
Calculation machine readable storage medium storing program for executing, to realize to the on-line real time monitoring scheme of the rotary rectifier bridge of nuclear power unit brushless excitation system
Design, provides analysis foundation for the safe operation of brushless excitation system, and reduce cost.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that: a kind of rotary rectifier bridge on-line real time monitoring scheme is provided
Design method, device and computer readable storage medium can be realized the rotary rectifier bridge to nuclear power unit brushless excitation system
On-line real time monitoring scheme design, provide analysis foundation for the safe operation of brushless excitation system, and reduce cost.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of rotary rectifier bridge on-line real time monitoring schemes
Design method, the method are suitable for the rotary rectifier bridge of the nuclear power unit using brushless excitation system, comprising:
The simulation model of rotary rectifier bridge is established according to the actual parameter of default nuclear power unit；
According to the simulation model to operating status of the rotary rectifier bridge under non-faulting operating condition and fault condition into
Row emulation, it is corresponding to obtain non-faulting simulation waveform and fault simulation waveform；
The non-faulting simulation waveform and the fault simulation waveform are analyzed, non-faulting harmonic characteristic and event are extracted
Hinder harmonic characteristic；
The online real-time of the rotary rectifier bridge is designed according to the non-faulting harmonic characteristic and the failure harmonic characteristic
Monitoring scheme.
Further, the rotary rectifier bridge is three-phase rotary rectifier bridge, and the fault condition includes at least the three-phase
A tube open circuit fault condition and two tube open circuit fault conditions for rotary rectifier bridge.
Further, it is described according to the simulation model to the rotary rectifier bridge under non-faulting operating condition and fault condition
Operating status emulated, it is corresponding to obtain non-faulting simulation waveform and fault simulation waveform, specifically include:
Operating status of the rotary rectifier bridge under the non-faulting operating condition is emulated according to the simulation model,
It is corresponding to obtain the non-faulting simulation waveform；
According to the simulation model to the rotary rectifier bridge at least in the tube open circuit fault condition and two pipe
Operating status under open-circuit fault operating condition is emulated, and one tube open circuit fault simulation waveform of corresponding acquisition and two tube open circuit failures are imitative
True waveform.
Further, described that the non-faulting simulation waveform and the fault simulation waveform are analyzed, extract non-event
Hinder harmonic characteristic and failure harmonic characteristic, specifically include:
Fourier's frequency analysis is carried out to the non-faulting simulation waveform, extracts the non-faulting harmonic characteristic；
Fourier's harmonic wave point is carried out to the tube open circuit fault simulation waveform and the two tube open circuits fault simulation waveform
A tube open circuit failure harmonic characteristic and two tube open circuit failure harmonic characteristics are extracted in analysis.
Further, the non-faulting harmonic characteristic is that exciting current includes at least 6 order harmonic components；One tube open circuit
Failure harmonic characteristic is that exciting current includes at least 2 order harmonic components, 3 order harmonic components and 6 order harmonic components；Two pipe is opened
Road failure harmonic characteristic is that exciting current includes at least 2 order harmonic components, 3 order harmonic components, 4 order harmonic components, 5 subharmonic point
Amount and 6 order harmonic components.
Further, the non-faulting simulation waveform includes at least the rotary rectifier bridge and transports under the non-faulting operating condition
The simulation waveform of exciting current, armature line voltage, armature phase current, diode current, load voltage and load current when row；
The fault simulation waveform includes at least exciting current, armature line when the rotary rectifier bridge is run under the fault condition
Voltage, armature phase current, isolation diode electric current, load voltage and load current simulation waveform.
Further, the method also includes:
According to the actual parameter to the default nuclear power unit under the non-faulting operating condition and the fault condition
Operating status carries out theory analysis；
The result of the theory analysis is verified according to the non-faulting harmonic characteristic and the failure harmonic characteristic.
In order to solve the above-mentioned technical problem, the embodiment of the invention also provides a kind of rotary rectifier bridge on-line real time monitoring sides
Case designs device, and described device is for realizing rotary rectifier bridge on-line real time monitoring conceptual design side described in any of the above embodiments
Method, described device include:
Modeling module, for establishing the simulation model of rotary rectifier bridge according to the actual parameter for presetting nuclear power unit；
Emulation module is used for according to the simulation model to the rotary rectifier bridge under non-faulting operating condition and fault condition
Operating status emulated, it is corresponding to obtain non-faulting simulation waveform and fault simulation waveform；
Harmonic characteristic extraction module, for analyzing the non-faulting simulation waveform and the fault simulation waveform,
Extract non-faulting harmonic characteristic and failure harmonic characteristic；And
Monitoring plan design module, for according to the non-faulting harmonic characteristic and failure harmonic characteristic design
The on-line real time monitoring scheme of rotary rectifier bridge.
The embodiment of the invention also provides a kind of computer readable storage medium, the computer readable storage medium includes
The computer program of storage；Wherein, where the computer program controls the computer readable storage medium at runtime
Equipment executes rotary rectifier bridge on-line real time monitoring Design Method described in any of the above embodiments.
The embodiment of the invention also provides a kind of rotary rectifier bridge on-line real time monitoring conceptual design devices, including processing
Device, memory and storage in the memory and are configured as the computer program executed by the processor, the place
Reason device realizes rotary rectifier bridge on-line real time monitoring conceptual design described in any of the above embodiments when executing the computer program
Method.
Compared with prior art, the embodiment of the invention provides a kind of rotary rectifier bridge on-line real time monitoring conceptual design sides
Method, device and computer readable storage medium, the method are suitable for whole using the rotation of the nuclear power unit of brushless excitation system
Bridge is flowed, the simulation model of rotary rectifier bridge is established according to the actual parameter of default nuclear power unit, and according to simulation model to rotation
Operating status of the rectifier bridge under non-faulting operating condition and fault condition is emulated, corresponding to obtain non-faulting simulation waveform and failure
Simulation waveform analyzes non-faulting simulation waveform and fault simulation waveform, extracts non-faulting harmonic characteristic and failure harmonic wave
Feature designs the on-line real time monitoring scheme of rotary rectifier bridge according to non-faulting harmonic characteristic and failure harmonic characteristic, so as to
Enough designs for realizing the on-line real time monitoring scheme to the rotary rectifier bridge of nuclear power unit brushless excitation system are brushless excitation system
The safe operation of system provides analysis foundation, and reduces costs.
Detailed description of the invention
Fig. 1 is an a kind of preferred implementation of rotary rectifier bridge on-line real time monitoring Design Method provided by the invention
The flow chart of example；
Fig. 2 is a kind of simulation model schematic diagram of the rotary rectifier bridge of three-phase brushless excitation system provided by the invention；
The partial simulation circuit diagram of rotary rectifier bridge when Fig. 3 A is a kind of non-faulting operating condition provided by the invention；
The partial simulation circuit diagram of rotary rectifier bridge when Fig. 3 B is a kind of tube open circuit fault condition provided by the invention；
The partial simulation circuit diagram of rotary rectifier bridge when Fig. 3 C is a kind of two tube open circuits fault condition provided by the invention；
Fig. 4 is an a kind of preferred implementation of rotary rectifier bridge on-line real time monitoring conceptual design device provided by the invention
The structural block diagram of example；
Fig. 5 is a kind of another preferred reality of rotary rectifier bridge on-line real time monitoring conceptual design device provided by the invention
Apply the structural block diagram of example.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all without creative efforts
Other embodiments shall fall within the protection scope of the present invention.
It is shown in Figure 1, it is the one of a kind of rotary rectifier bridge on-line real time monitoring Design Method provided by the invention
The flow chart of a preferred embodiment, the method are suitable for the rotary rectifier bridge of the nuclear power unit using brushless excitation system, packet
Step S11 is included to step S14:
Step S11, the simulation model of rotary rectifier bridge is established according to the actual parameter for presetting nuclear power unit；
Step S12, the fortune according to the simulation model to the rotary rectifier bridge under non-faulting operating condition and fault condition
Row state is emulated, corresponding to obtain non-faulting simulation waveform and fault simulation waveform；
Step S13, the non-faulting simulation waveform and the fault simulation waveform are analyzed, extracts non-faulting harmonic wave
Feature and failure harmonic characteristic；
Step S14, the rotary rectifier bridge is designed according to the non-faulting harmonic characteristic and the failure harmonic characteristic
On-line real time monitoring scheme.
Specifically, according to the actual parameter of preset nuclear power unit (such as motor size, geometry, winding shape
The parameters such as formula and material properties) simulation model of establishing rotary rectifier bridge, element in simulation model (such as is changed by setting
Connection status) and the simulation model is run, the operating status to rotary rectifier bridge under non-faulting operating condition and fault condition respectively
It is emulated, it is corresponding to obtain non-faulting simulation waveform and fault simulation waveform, the non-faulting simulation waveform that emulation obtains is carried out
Non-faulting harmonic characteristic is extracted in frequency analysis, carries out waveform analysis to the fault simulation waveform that emulation obtains, extracts failure harmonic wave
Feature, based on the non-faulting harmonic characteristic and failure harmonic characteristic extracted, the online real-time prison of analysis design rotary rectifier bridge
Survey scheme.
It should be noted that establish simulation model need to meet it is claimed below:
(1) it must be based on the simulation model that actual parameter accurately establishes rotary rectifier bridge, this is that accurate calculate is broken down
When motor inside transient process basis；
(2) simulation model should be able to during correct faults motor internal air gap magnetic field (including harmonic field) change
Change, the transient process that only in this way could objectively occur during faults inside motor；
(3) to the emulation of rotary rectifier bridge must take into account diode be actually turned on and turn-off criterion.
The embodiment of the present invention selects ANSYS/Maxwell finite simulation element analysis software to be modeled, Maxwell according to
The actual parameters such as geometry, size, the material properties of nuclear power unit actual physics model are modeled, in external circuit and motor
The coupling of portion's electromagnetic field can accurately reflect the interaction between electrical quantity and magnetic field, and ANSYS/Maxwell can give birth to
At the high-fidelity based on finite element algorithm, reduced-order model, it is imitative that established simulation model can be used for ANSYS Simplorer system
True analysis, can satisfy the crucial requirement of the simulation model in electromagnetic transient simulation to rotary rectifier bridge.
As shown in Fig. 2, being that the simulation model of the rotary rectifier bridge of three-phase brushless excitation system provided by the invention a kind of shows
It is intended to, which needs to be arranged in actual motion corresponding operating parameter and structural parameters, main specified operation ginseng
The setting of several and structural parameters can refer to table 1.
The main specified operating parameter of table 1 and structural parameters
A kind of rotary rectifier bridge on-line real time monitoring Design Method provided by the embodiment of the present invention is revolved by establishing
The simulation model for turning rectifier bridge emulates operating status of the rotary rectifier bridge under non-faulting operating condition and fault condition, passes through
Frequency analysis extracted from emulation the non-faulting simulation waveform and fault simulation waveform that obtain corresponding non-faulting harmonic characteristic and
Failure harmonic characteristic, and the online reality based on the non-faulting harmonic characteristic extracted and failure harmonic characteristic design rotary rectifier bridge
When monitoring scheme, so as to realize to the on-line real time monitoring scheme of the rotary rectifier bridge of nuclear power unit brushless excitation system
Design, provides analysis foundation for the safe operation of brushless excitation system, and reduce costs.
In a further advantageous embodiment, the rotary rectifier bridge is three-phase rotary rectifier bridge, and the fault condition is at least
A tube open circuit fault condition and two tube open circuit fault conditions including the three-phase rotary rectifier bridge.
It should be understood that nuclear power unit uses three-phase motor, corresponding rotary rectifier bridge is three-phase rotary rectifier bridge, due to
The failure that practical brushless excitation system occurs is mostly a tube open circuit failure and two tube open circuit failures, therefore fault condition includes at least
A tube open circuit fault condition and two tube open circuit fault conditions for three-phase rotary rectifier bridge, also may include other kinds of failure,
The embodiment of the present invention is not especially limited.
In another preferred embodiment, it is described according to the simulation model to the rotary rectifier bridge in non-faulting operating condition
It is emulated with the operating status under fault condition, it is corresponding to obtain non-faulting simulation waveform and fault simulation waveform, it specifically includes:
Operating status of the rotary rectifier bridge under the non-faulting operating condition is emulated according to the simulation model,
It is corresponding to obtain the non-faulting simulation waveform；
According to the simulation model to the rotary rectifier bridge at least in the tube open circuit fault condition and two pipe
Operating status under open-circuit fault operating condition is emulated, and one tube open circuit fault simulation waveform of corresponding acquisition and two tube open circuit failures are imitative
True waveform.
Specifically, artificial circuit corresponding to rotary rectifier bridge can refer to figure when non-faulting operating condition (accidental conditions)
3A emulates operating status of the rotary rectifier bridge under accidental conditions according to corresponding simulation model, corresponding to obtain
Non-faulting simulation waveform；Artificial circuit corresponding to rotary rectifier bridge can refer to Fig. 3 B, C in Fig. 3 B when one tube open circuit fault condition
The diode of bridge arm is in off state in phase, according to corresponding simulation model to rotary rectifier bridge in a tube open circuit fault condition
Under operating status emulated, it is corresponding to obtain a tube open circuit fault simulation waveform；Rotary rectifier when two tube open circuit fault conditions
Artificial circuit corresponding to bridge can refer to Fig. 3 C, and the diode of C phase upper and lower bridge arm is in off state in Fig. 3 C, according to corresponding
Simulation model operating status of the rotary rectifier bridge under two tube open circuit fault conditions is emulated, it is corresponding to obtain two tube open circuits
Fault simulation waveform.
It should be noted that a tube open circuit failure is embodied in the upper bridge arm or lower bridge that can be any one phase in artificial circuit
The diode of arm is in off state；Two tube open circuit failures are embodied in the upper and lower bridge arm that can be any one phase in artificial circuit
Diode is in off state, and the diode for being also possible to the upper bridge arm of any two-phase is in off state, can also be
The diode of the lower bridge arm of the diode and another phase of the upper bridge arm of a certain phase is in off state；The embodiment of the present invention is not
Make specific restriction, and simulation analysis process is similarly, which is not described herein again.
It is described that the non-faulting simulation waveform and the fault simulation waveform are divided in another preferred embodiment
Analysis is extracted non-faulting harmonic characteristic and failure harmonic characteristic, is specifically included:
Fourier's frequency analysis is carried out to the non-faulting simulation waveform, extracts the non-faulting harmonic characteristic；
Fourier's harmonic wave point is carried out to the tube open circuit fault simulation waveform and the two tube open circuits fault simulation waveform
A tube open circuit failure harmonic characteristic and two tube open circuit failure harmonic characteristics are extracted in analysis.
Specifically, carrying out Fourier's harmonic wave point by the non-faulting simulation waveform obtained to emulation in conjunction with above-described embodiment
Analysis, the overtone order of acquisition non-faulting simulation waveform and its corresponding amplitude, to extract non-faulting harmonic characteristic；By right
The tube open circuit fault simulation waveform that emulation obtains carries out Fourier's frequency analysis, obtains the humorous of a tube open circuit fault simulation waveform
Wave number and its corresponding amplitude, to extract a tube open circuit failure harmonic characteristic；Pass through two tube open circuits obtained to emulation
Fault simulation waveform carries out Fourier's frequency analysis, obtains the overtone order and its corresponding width of two tube open circuit fault simulation waveforms
Value, to extract two tube open circuit failure harmonic characteristics.
Preferably, the non-faulting harmonic characteristic is that exciting current includes at least 6 order harmonic components；One pipe
Open-circuit fault harmonic characteristic is that exciting current includes at least 2 order harmonic components, 3 order harmonic components and 6 order harmonic components；Described two
Tube open circuit failure harmonic characteristic be exciting current include at least 2 order harmonic components, 3 order harmonic components, 4 order harmonic components, 5 times it is humorous
Wave component and 6 order harmonic components.
It should be noted that harmonic characteristic includes overtone order and amplitude, according to frequency analysis as a result, different conditions pair
The harmonic component that the waveform answered is included is different, and by taking the exciting current of exciter stator as an example, specific frequency analysis result is such as
Shown in table 2.
Stator energization current frequency analysis when 2 non-faulting of table, a tube open circuit failure, two tube open circuit failures
What is mainly examined or check in table is the harmonic characteristic variation within 12 times, to tell non-faulting, a tube open circuit and two
The fault types such as tube open circuit, from the point of view of frequency analysis result, when non-faulting is run, Stator energization current mainly contains 6 subharmonic
Component, and in a tube open circuit failure operation, exciting current mainly includes 2 times, 3 times, 6 order harmonic components, in the event of two tube open circuits
When barrier operation, exciting current mainly includes 2 times, 3 times, 4 times, 5 times and 6 order harmonic components.
Preferably, the non-faulting simulation waveform includes at least the rotary rectifier bridge in the non-faulting operating condition
The emulation of exciting current, armature line voltage, armature phase current, diode current, load voltage and load current when lower operation
Waveform；The fault simulation waveform include at least exciting current of rotary rectifier bridge when being run under the fault condition,
Armature line voltage, armature phase current, isolation diode electric current, load voltage and load current simulation waveform.
It should be noted that when in brushless excitation system there are when multiple groups three-phase rotary rectifier bridge, for example, brushless excitation system
System is formed in parallel by 16 groups of three-phase rotary rectifier bridges, and when single armed or two-arm open circuit fault, only one group of three-phase rotation is whole
The armature supply of stream bridge changes, remaining 15 groups are in normal operating condition, failure group harmonic component sense excitation around
When in group, only Zhan always incudes the 1/16 of amplitude to the harmonic wave of generation, therefore, the harmonic component amplitude be it is smaller, design revolve
Turn to be needed when the on-line real time monitoring scheme of rectifier bridge using with higher sensitivity harmonic sensor, so as to more efficient,
The harmonic component of small magnitude in excitation winding is accurately detected, so that the on-line fault monitoring for rotary rectifier bridge provides more
Accurate detection result.
In another preferred embodiment, the method also includes:
According to the actual parameter to the default nuclear power unit under the non-faulting operating condition and the fault condition
Operating status carries out theory analysis；
The result of the theory analysis is verified according to the non-faulting harmonic characteristic and the failure harmonic characteristic.
Specifically, selecting preset nuclear power unit for research object, it is based on motor theory, according to the nuclear power unit
Actual parameter theory analysis is carried out to operating status of the nuclear power unit under non-faulting operating condition and fault condition, it is corresponding to obtain
Non-faulting theoretical waveform and failure theory waveform, the non-faulting theoretical waveform and failure theory waveform that theory analysis is obtained respectively
Frequency analysis is carried out, corresponding harmonic characteristic is extracted, the non-faulting harmonic characteristic and failure harmonic characteristic obtained according to emulation
The harmonic characteristic obtained respectively to theory analysis is verified.
It should be understood that needing corresponding selection to be based on when verifying to simulation analysis result and theoretical analysis result
Extracted harmonic characteristic is compared verifying under identical working condition.
A kind of rotary rectifier bridge on-line real time monitoring Design Method, combines theory provided by the embodiment of the present invention
Analysis and simulation analysis obtain harmonic characteristic when rotary rectifier bridge is run under non-faulting operating condition and fault condition and verifying
As a result, the design for the on-line real time monitoring scheme of rotary rectifier bridge lays the foundation.
The embodiment of the invention also provides a kind of rotary rectifier bridge on-line real time monitoring conceptual design devices, for realizing upper
Rotary rectifier bridge on-line real time monitoring Design Method described in any embodiment is stated, the modules, unit in device
Effect and realize technical effect respectively with rotary rectifier bridge on-line real time monitoring conceptual design side described in above-described embodiment
The technical effect of effect and the realization of method corresponds to identical, and which is not described herein again.
It is shown in Figure 4, it is the one of a kind of rotary rectifier bridge on-line real time monitoring conceptual design device provided by the invention
The structural block diagram of a preferred embodiment, described device include:
Modeling module 11, for establishing the simulation model of rotary rectifier bridge according to the actual parameter for presetting nuclear power unit；
Emulation module 12 is used for according to the simulation model to the rotary rectifier bridge in non-faulting operating condition and fault condition
Under operating status emulated, it is corresponding to obtain non-faulting simulation waveform and fault simulation waveform；
Harmonic characteristic extraction module 13, for dividing the non-faulting simulation waveform and the fault simulation waveform
Non-faulting harmonic characteristic and failure harmonic characteristic are extracted in analysis；And
Monitoring plan design module 14, for designing institute according to the non-faulting harmonic characteristic and the failure harmonic characteristic
State the on-line real time monitoring scheme of rotary rectifier bridge.
Preferably, the rotary rectifier bridge is three-phase rotary rectifier bridge, and the fault condition is revolved including at least the three-phase
Turn the tube open circuit fault condition and two tube open circuit fault conditions of rectifier bridge.
Preferably, the emulation module specifically includes:
Non-faulting simulation unit is used for according to the simulation model to the rotary rectifier bridge under the non-faulting operating condition
Operating status emulated, it is corresponding to obtain the non-faulting simulation waveform；And
Fault simulation unit is used for according to the simulation model to the rotary rectifier bridge at least in the tube open circuit event
Operating status under barrier operating condition and the two tube open circuits fault condition is emulated, corresponding to obtain a tube open circuit fault simulation waveform
With two tube open circuit fault simulation waveforms.
Preferably, the harmonic characteristic extraction module specifically includes:
Non-faulting harmonic characteristic extraction unit is mentioned for carrying out Fourier's frequency analysis to the non-faulting simulation waveform
Take the non-faulting harmonic characteristic；And
Failure harmonic characteristic extraction unit, for the tube open circuit fault simulation waveform and the two tube open circuits failure
Simulation waveform carries out Fourier's frequency analysis, extracts a tube open circuit failure harmonic characteristic and two tube open circuit failure harmonic characteristics.
Preferably, the non-faulting harmonic characteristic is that exciting current includes at least 6 order harmonic components；The one tube open circuit event
Hindering harmonic characteristic is that exciting current includes at least 2 order harmonic components, 3 order harmonic components and 6 order harmonic components；Two tube open circuit
Failure harmonic characteristic is that exciting current includes at least 2 order harmonic components, 3 order harmonic components, 4 order harmonic components, 5 order harmonic components
With 6 order harmonic components.
Preferably, the non-faulting simulation waveform includes at least the rotary rectifier bridge and runs under the non-faulting operating condition
When exciting current, armature line voltage, armature phase current, diode current, load voltage and load current simulation waveform；Institute
State exciting current, the armature line electricity when fault simulation waveform is run under the fault condition including at least the rotary rectifier bridge
Pressure, armature phase current, isolation diode electric current, load voltage and load current simulation waveform.
Preferably, described device further include:
Theory analysis module, for according to the actual parameter to the default nuclear power unit in the non-faulting operating condition and
Operating status under the fault condition carries out theory analysis；And
Authentication module, for according to the non-faulting harmonic characteristic and the failure harmonic characteristic to the theory analysis
As a result it is verified.
The embodiment of the invention also provides a kind of computer readable storage medium, the computer readable storage medium includes
The computer program of storage；Wherein, where the computer program controls the computer readable storage medium at runtime
Equipment executes rotary rectifier bridge on-line real time monitoring Design Method described in any of the above-described embodiment.
The embodiment of the invention also provides a kind of rotary rectifier bridge on-line real time monitoring conceptual design devices, referring to Fig. 5 institute
Show, is a kind of knot of another preferred embodiment of rotary rectifier bridge on-line real time monitoring conceptual design device provided by the invention
Structure block diagram, described device include processor 10, memory 20 and are stored in the memory 20 and are configured as by described
The computer program that processor 10 executes, the processor 10 realize any of the above-described embodiment when executing the computer program
The rotary rectifier bridge on-line real time monitoring Design Method.
Preferably, the computer program can be divided into one or more module/units (such as computer program 1, meter
Calculation machine program 2), one or more of module/units are stored in the memory 20, and by
The processor 10 executes, to complete the present invention.One or more of module/units, which can be, can complete specific function
Series of computation machine program instruction section, the instruction segment is for describing the implementation procedure of the computer program in said device.
The processor 10 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc., general processor can be microprocessor or the processor 10 is also possible to any conventional place
Device is managed, the processor 10 is the control centre of described device, utilizes each portion of various interfaces and connection described device
Point.
The memory 20 mainly includes program storage area and data storage area, wherein program storage area can store operation
Application program needed for system, at least one function etc., data storage area can store related data etc..In addition, the memory
20 can be high-speed random access memory, can also be nonvolatile memory, such as plug-in type hard disk, intelligent memory card
(Smart Media Card, SMC), secure digital (Secure Digital, SD) card and flash card (Flash Card) etc., or
The memory 20 is also possible to other volatile solid-state parts.
It should be noted that above-mentioned apparatus may include, but be not limited only to, processor, memory, those skilled in the art can
To understand, Fig. 5 structural block diagram is only the example of the device, does not constitute the restriction to the device, may include than illustrating more
More or less component perhaps combines certain components or different components.
To sum up, a kind of rotary rectifier bridge on-line real time monitoring Design Method, device provided by the embodiment of the present invention
And computer readable storage medium, by establish the simulation model of rotary rectifier bridge to rotary rectifier bridge non-faulting operating condition and therefore
Operating status under barrier operating condition is emulated, the non-faulting simulation waveform and fault simulation wave obtained by frequency analysis from emulation
Corresponding non-faulting harmonic characteristic and failure harmonic characteristic are extracted in shape, and based on the non-faulting harmonic characteristic extracted and failure
Harmonic characteristic designs the on-line real time monitoring scheme of rotary rectifier bridge, so as to realize to nuclear power unit brushless excitation system
The design of the on-line real time monitoring scheme of rotary rectifier bridge provides analysis foundation for the safe operation of brushless excitation system, and
It reduces costs.
According to above-mentioned principle, the present invention can also be made appropriate changes and modifications to the above embodiments.Therefore, this hair
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the invention should also be as to fall into this
In the scope of protection of the claims of invention.In addition, although being used some specific terms in this specification, these terms
Merely for convenience of description, it does not limit the present invention in any way.
Claims (10)
1. a kind of rotary rectifier bridge on-line real time monitoring Design Method, which is characterized in that the method is suitable for using nothing
The rotary rectifier bridge of the nuclear power unit of brush excitation system, comprising:
The simulation model of rotary rectifier bridge is established according to the actual parameter of default nuclear power unit；
Operating status of the rotary rectifier bridge under non-faulting operating condition and fault condition is imitated according to the simulation model
Very, corresponding to obtain non-faulting simulation waveform and fault simulation waveform；
The non-faulting simulation waveform and the fault simulation waveform are analyzed, non-faulting harmonic characteristic is extracted and failure is humorous
Wave characteristic；
The on-line real time monitoring of the rotary rectifier bridge is designed according to the non-faulting harmonic characteristic and the failure harmonic characteristic
Scheme.
2. rotary rectifier bridge on-line real time monitoring Design Method according to claim 1, which is characterized in that the rotation
Turning rectifier bridge is three-phase rotary rectifier bridge, and the fault condition includes at least a tube open circuit failure of the three-phase rotary rectifier bridge
Operating condition and two tube open circuit fault conditions.
3. rotary rectifier bridge on-line real time monitoring Design Method according to claim 2, which is characterized in that described
Operating status of the rotary rectifier bridge under non-faulting operating condition and fault condition is emulated according to the simulation model, it is corresponding
Non-faulting simulation waveform and fault simulation waveform are obtained, is specifically included:
Operating status of the rotary rectifier bridge under the non-faulting operating condition is emulated according to the simulation model, it is corresponding
Obtain the non-faulting simulation waveform；
According to the simulation model to the rotary rectifier bridge at least in the tube open circuit fault condition and two tube open circuit
Operating status under fault condition is emulated, corresponding to obtain a tube open circuit fault simulation waveform and two tube open circuit fault simulation waves
Shape.
4. rotary rectifier bridge on-line real time monitoring Design Method according to claim 3, which is characterized in that described right
The non-faulting simulation waveform and the fault simulation waveform are analyzed, and extract non-faulting harmonic characteristic and failure harmonic wave is special
Sign, specifically includes:
Fourier's frequency analysis is carried out to the non-faulting simulation waveform, extracts the non-faulting harmonic characteristic；
Fourier's frequency analysis is carried out to the tube open circuit fault simulation waveform and the two tube open circuits fault simulation waveform, is mentioned
Take a tube open circuit failure harmonic characteristic and two tube open circuit failure harmonic characteristics.
5. rotary rectifier bridge on-line real time monitoring Design Method according to claim 4, which is characterized in that described non-
Failure harmonic characteristic is that exciting current includes at least 6 order harmonic components；The one tube open circuit failure harmonic characteristic is exciting current
Including at least 2 order harmonic components, 3 order harmonic components and 6 order harmonic components；The two tube open circuits failure harmonic characteristic is excitation electricity
Stream includes at least 2 order harmonic components, 3 order harmonic components, 4 order harmonic components, 5 order harmonic components and 6 order harmonic components.
6. rotary rectifier bridge on-line real time monitoring Design Method according to any one of claims 1 to 5, feature exist
In the non-faulting simulation waveform includes at least the excitation electricity when rotary rectifier bridge is run under the non-faulting operating condition
Stream, armature line voltage, armature phase current, diode current, load voltage and load current simulation waveform；The fault simulation
Exciting current, armature line voltage, armature phase when waveform is run under the fault condition including at least the rotary rectifier bridge
Electric current, isolation diode electric current, load voltage and load current simulation waveform.
7. rotary rectifier bridge on-line real time monitoring Design Method according to claim 1, which is characterized in that the side
Method further include:
Operation according to the actual parameter to the default nuclear power unit under the non-faulting operating condition and the fault condition
State carries out theory analysis；
The result of the theory analysis is verified according to the non-faulting harmonic characteristic and the failure harmonic characteristic.
8. a kind of rotary rectifier bridge on-line real time monitoring conceptual design device, which is characterized in that described device is for realizing such as power
Benefit requires 1 to 7 described in any item rotary rectifier bridge on-line real time monitoring Design Methods, and described device includes:
Modeling module, for establishing the simulation model of rotary rectifier bridge according to the actual parameter for presetting nuclear power unit；
Emulation module, for the fortune according to the simulation model to the rotary rectifier bridge under non-faulting operating condition and fault condition
Row state is emulated, corresponding to obtain non-faulting simulation waveform and fault simulation waveform；
Harmonic characteristic extraction module is extracted for analyzing the non-faulting simulation waveform and the fault simulation waveform
Non-faulting harmonic characteristic and failure harmonic characteristic；And
Monitoring plan design module, for designing the rotation according to the non-faulting harmonic characteristic and the failure harmonic characteristic
The on-line real time monitoring scheme of rectifier bridge.
9. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes the calculating of storage
Machine program；Wherein, the equipment where the computer program controls the computer readable storage medium at runtime executes such as
The described in any item rotary rectifier bridge on-line real time monitoring Design Methods of claim 1 to 7.
10. a kind of rotary rectifier bridge on-line real time monitoring conceptual design device, which is characterized in that including processor, memory with
And the computer program executed by the processor is stored in the memory and is configured as, the processor is executing institute
Rotary rectifier bridge on-line real time monitoring conceptual design side as described in any one of claim 1 to 7 is realized when stating computer program
Method.
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