CN109270568A - A kind of nuclear power plant's Nuclear Instrument detector and cable performance detection method and system - Google Patents
A kind of nuclear power plant's Nuclear Instrument detector and cable performance detection method and system Download PDFInfo
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- CN109270568A CN109270568A CN201810951250.1A CN201810951250A CN109270568A CN 109270568 A CN109270568 A CN 109270568A CN 201810951250 A CN201810951250 A CN 201810951250A CN 109270568 A CN109270568 A CN 109270568A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
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Abstract
The invention discloses a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection method, the Nuclear Instrument includes the cable of detector and the connection detector, which comprises inputs the test data of detector；Detector indicatrix is drawn according to the test data, to detect the performance of the detector；The insulating resistance value of cable is measured, and detects the performance of the cable according to the insulating resistance value；The Nuclear Instrument is handled according to the performance of the detector detected and the performance of cable.The invention also discloses a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection systems.The present invention can be improved detection efficiency, reduce human cost.
Description
Technical field
The present invention relates to nuclear power station technical fields more particularly to a kind of nuclear power plant's Nuclear Instrument detector and cable performance to detect
Method and system.
Background technique
Out-pile Nuclear measurement system (RPN) is the key that the dedicated I&C system of pressurized-water reactor nuclear power plant, and out-pile nuclear instrument is continuously supervised
It surveys reactor core neutron-flux level and core power is horizontal, participate in reactor protection, be the key that be related to reactor safety
I&C system.RPN system capital equipment includes detector, cable and protection cabinet etc., and the operating status of relevant device is well
The mandatory requirements for executing defencive function need to carry out it operation conditions and carry out continuous tracking and monitoring and trend prediction, that is, need
It systematic to above equipment progress to inspect periodically, plan according to checking that data specify reasonably to regularly replace, to prevent function
Energy failure occurs, and can keep normal working condition.
Early period nuclear power projects in fortune unit running process, accumulate and summarize a set of perfect Nuclear Instrument system probe and
The working method and workflow of cable machinery overhaul management, by by overhaul of the equipments working method and workflow and internet
Technology combines, and realizes the intelligent Forecasting realized using newest Intelligent data analysis technology to equipment performance.
In the prior art, Nuclear Instrument system probe and the method for cable performance prediction are mainly set by paper material development
Test, the measurement, record of standby performance parameter realize analysis and equipment performance to equipment performance then by artificial analysis
Prediction.Specific workflow and action are mainly in management of equipment maintenance program, the implementation of papery maintenance procedure and papery dimension
It repairs and is embodied in report publication, mainly by manually being analyzed according to the maintenance of equipment criterion that producer provides, passing through determination
Calculation method and judgment method, the performance of equipment is assessed, and according to the equipment performance variation tendency measured for a long time into
The prediction of row equipment performance.
But the report of papery and management program, in acquisition, after recording equipment performance data, the arrangements of data, calculating,
Analysis and prediction, need largely to compute repeatedly the comparison with data, need to expend a large amount of manpowers；Analysis for historical data
And utilization is unfavorable for the shared of multiple groups of plant performance datas, a large amount of energy is needed to search since the paperyization of data records
Collection arranges data with existing, while can be because flow of personnel causes corresponding data not used sufficiently；It can not be built between group factory
A unified database is found, equipment performance maintenance and prediction work execution standardization and architecture are unfavorable for.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provides a kind of nuclear power plant's Nuclear Instrument detector and cable performance
Detection method and system can be improved detection efficiency, reduce human cost.
The technical solution that the present invention is proposed with regard to above-mentioned technical problem is as follows:
On the one hand, the present invention provides a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection method, the Nuclear Instrument
Cable including detector and the connection detector, which comprises
Input the test data of detector；
Detector indicatrix is drawn according to the test data, to detect the performance of the detector；
The insulating resistance value of cable is measured, and detects the performance of the cable according to the insulating resistance value；
The Nuclear Instrument is handled according to the performance of the detector detected and the performance of cable.
Further, the detector is source range detector, and the test data of the detector is discriminator, described
Detector indicatrix is to screen indicatrix；
It is described that detector indicatrix is drawn according to the test data, it is specific to wrap to detect the performance of the detector
It includes:
According to the different corresponding count values of discriminator measurement detector；
According to the corresponding relationship of the discriminator and the count value, draws and screen indicatrix；
The examination indicatrix is detected according to preset criteria of curve, obtains the performance of the detector.
Further, the detector is source range detector, intermediate range detector or power range detector, described
The test data of detector is high-voltage value, and the detector indicatrix is high pressure plateau characteristic；
It is described that detector indicatrix is drawn according to the test data, it is specific to wrap to detect the performance of the detector
It includes:
According to the different corresponding current values of high-voltage value measurement detector；
According to the corresponding relationship of the high-voltage value and the current value, high pressure plateau characteristic is drawn；
According to the high pressure plateau characteristic calculating detector degradation degree and saturation curve flat region slope coefficient, with detection
The performance of the detector.
Further, described oblique according to the high pressure plateau characteristic calculating detector degradation degree and saturation curve flat region
Rate coefficient is specifically included with detecting the performance of the detector:
The corresponding current value I (600V) of 600V high-voltage value is obtained according to the high pressure plateau characteristic, and then obtain 0.2 ×
The corresponding high-voltage value V0 of I (600V) current value, as detector degradation degree；
The corresponding current value I (800V) of 800V high-voltage value and 700V high-voltage value pair are obtained according to the high pressure plateau characteristic
The current value I (700V) answered；
Saturation curve flat site slope coefficient is calculated according to current value I (800V) and current value I (700V)
According to the detector degradation degree and saturation curve flat site slope coefficient, the performance of the detector is detected.
Further, described according to the detector degradation degree and saturation curve flat site slope coefficient, described in detection
The performance of detector, specifically includes:
When the detector is intermediate range detector, if detecting, the detector degradation degree is greater than 70V, determines
The detector needs to carry out continuous three months to monitor；
If detecting, the detector degradation degree is greater than 140V, and judgement needs replacing the detector；
If detect that the saturation curve flat site slope coefficient is greater than 2%, judgement needs replacing the detection
Device.
Further, described according to the detector degradation degree and saturation curve flat site slope coefficient, described in detection
The performance of detector, specifically includes:
When the detector is power range detector, if detecting, the detector degradation degree is greater than 30V, determines
The detector needs to carry out continuous three months to monitor；
If detecting, the detector degradation degree is greater than 60V, and judgement needs replacing the detector；
If detect that the saturation curve flat site slope coefficient is greater than 2%, judgement needs replacing the detection
Device.
Further, the method also includes:
Timing detects the performance of the detector, to predict the performance trend of the detector.
Further, the cable includes source range cable, intermediate range cable and power range cable；
The insulating resistance value of the measurement cable, and the performance of the cable is detected according to the insulating resistance value, specifically
Include:
For each type cable, the insulated electro of the detector under default test condition to cable between cabinet is measured respectively
The insulation of resistance value, detector to the insulating resistance value of cable, the insulating resistance value of island inner cable and island outer cable between connecting plate
Resistance value；The default test condition is under 25 ± 10 DEG C of environment temperature, 65% or less relative humidity plus 500V DC voltage
Condition；
If the insulating resistance value for detecting the detector to cable between cabinet is greater than 1*1010Ω then determines the spy
Survey device between cabinet cable it is functional；
If the insulating resistance value for detecting the detector to cable between connecting plate is greater than 1*1011Ω, then described in judgement
Detector between connecting plate cable it is functional；
If detecting, the insulating resistance value of the island inner cable is greater than 1*1011Ω then determines the performance of the island inner cable
Well；
If detecting, the insulating resistance value of the island outer cable is greater than 1*1011Ω then determines the performance of the island outer cable
Well.
Further, the method also includes:
The insulating resistance value of cable described in Timing measurement, to predict the performance trend of the cable.
On the other hand, the present invention provides a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection system, can be realized
All processes of above-mentioned nuclear power plant's Nuclear Instrument detector and cable performance detection method, the Nuclear Instrument include detector and company
The cable for connecing the detector, the system comprises:
Data input module, for inputting the test data of detector；
Detector performance detection module, for drawing detector indicatrix according to the test data, described in detection
The performance of detector；
Cable performance detection module detects institute for measuring the insulating resistance value of cable, and according to the insulating resistance value
State the performance of cable；
Nuclear Instrument processing module, for according to the performance of the performance of detector and cable that detect to the Nuclear Instrument into
Row processing.
Technical solution provided in an embodiment of the present invention has the benefit that
The test data of detector is inputted, and detector indicatrix is drawn according to test data, according to this feature song
Line carries out the detection of detector performance, measures the insulating resistance value of cable, to carry out cable performance according to the insulating resistance value
Detection effectively improves detection efficiency to realize the automatic detection of detector and cable performance, reduces human cost.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that nuclear power plant's Nuclear Instrument detector of the offer of the embodiment of the present invention one and the process of cable performance detection method are shown
It is intended to；
Fig. 2 is RPN mould in nuclear power plant's Nuclear Instrument detector that the embodiment of the present invention one provides and cable performance detection method
The architecture diagram of block；
Fig. 3 is discriminating threshold in nuclear power plant's Nuclear Instrument detector that the embodiment of the present invention one provides and cable performance detection method
The schematic diagram of value tag curve；
Fig. 4 is the nuclear power plant's Nuclear Instrument detector and cable performance detection method mesohigh level ground that the embodiment of the present invention one provides
Characteristic schematic diagram；
Fig. 5 is the specific stream of nuclear power plant's Nuclear Instrument detector that the embodiment of the present invention one provides and cable performance detection method
Journey schematic diagram；
Fig. 6 is that the structure of nuclear power plant's Nuclear Instrument detector provided by Embodiment 2 of the present invention and cable performance detection system is shown
It is intended to.
Specific embodiment
In order to solve, detection efficiency existing in the prior art is low, expends the technical problems such as a large amount of manpowers, purport of the present invention
It is providing a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection method, core concept are: inputting the test of detector
Data, and detector indicatrix is drawn according to test data, to carry out the detection of detector performance according to this feature curve, survey
The insulating resistance value of cable is measured, to carry out the detection of cable performance according to the insulating resistance value, to realize detector and cable
The automatic detection of performance.The present embodiment can effectively improve detection efficiency, reduce human cost.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
As shown in Figure 1, the embodiment of the invention provides a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection method,
The Nuclear Instrument includes the cable of detector and the connection detector, which comprises
S1, the test data for inputting detector；
S2, detector indicatrix is drawn according to the test data, to detect the performance of the detector；
S3, the insulating resistance value for measuring cable, and detect according to the insulating resistance value performance of the cable；
S4, the Nuclear Instrument is handled according to the performance of detector and the performance of cable that detect.
It should be noted that when detecting detector performance, by all defeated required for research detector performance diagnosis
Enter data, establish data input acquisition window, then by the computational algorithm of setting, realizes in webpage input detector performance
It is automatic to draw detector performance curve after test data, detector performance analysis result, the solution of suggestion are provided, is realized
Detector Intelligence Diagnosis.In detection cable performance, the insulating resistance value of cable is measured by measuring instrument, according to measurement
Insulating resistance value provides cable performance analysis result, the solution of suggestion, realizes electrical cable intelligentization diagnosis.It is detecting to detect
Nuclear Instrument is handled after device performance and cable performance, such as replaces detector or cable, detector is continuously monitored
Etc..
RPN preventive maintenance mainly includes source range detector high pressure plateau curve and examination indicatrix, intermediate range detection
Device high pressure plateau curve, power range detector high pressure plateau curve and cable insulation, at the same be directed to specific power station the case where, can also add
Enter KCALN/KCAL1/KCAL2/KCALNI parameter tracking, high pressure transition response test tracking, the verifying of boron table.Wherein, RPN module
Architecture diagram is shown in Fig. 2.
The present embodiment according to preventative maintenance specific works content, provide data inputting management, historical data management,
The intelligence tool such as intellectual analysis tool, the data managements such as trend analysis, detector management, cable management.
It realizes input data and exports the standardization of content, according to the needs in real work, provide corresponding data record
Enter frame.
The convenience and practicability for realizing operation reduce data preparation, analysis, result using Intelligent data analysis technology
The input manpower of output, improves working efficiency.According to the movable summary of experience of maintenance of equipment, by taxonomic revision, according to conjunction
The structural arrangement of reason provides the work disposal process an of standard, while realizing that internet intelligent technology is prevented in I &C equipment
Property maintenance in utilization, realize technical progress and innovation.
Preferably, the detector is source range detector, and the test data of the detector is discriminator, the spy
Surveying device indicatrix is to screen indicatrix.
In step s 2, described that detector indicatrix is drawn according to the test data, to detect the detector
Performance specifically includes:
According to the different corresponding count values of discriminator measurement detector；
According to the corresponding relationship of the discriminator and the count value, draws and screen indicatrix；
The examination indicatrix is detected according to preset criteria of curve, obtains the performance of the detector.
It should be noted that screening indicatrix is to screen threshold values for source range detector is arranged, it is reasonable to discriminate
The setting of other threshold values can improve the measurement performance of source range detector, be filled into the interference ray for not needing measurement, improve measurement
The accuracy of data.
Determining the principle for screening threshold values is, when acquirement examinations threshold values difference and count value that detector measures is not big
When variation, minimum corresponding to the numerical value not changed is taken to screen threshold values.
Screen indicatrix need typing data include discriminator and detector count value, screen indicatrix such as
Shown in Fig. 3.
It is more according to the method for screening indicatrix detection detector performance, such as by the corresponding counting of 1.1V discriminator
Value subtracts after the corresponding count value of 0.5V discriminator divided by the corresponding count value of 0.8V discriminator, obtains a coefficient, if
The coefficient is greater than a particular value, then determines that detector needs to degrade or replace, otherwise determine that detector performance is good.
Preferably, the detector is source range detector, intermediate range detector or power range detector, the spy
The test data for surveying device is high-voltage value, and the detector indicatrix is high pressure plateau characteristic.
In step s 2, described that detector indicatrix is drawn according to the test data, to detect the detector
Performance specifically includes:
According to the different corresponding current values of high-voltage value measurement detector；
According to the corresponding relationship of the high-voltage value and the current value, high pressure plateau characteristic is drawn；
According to the high pressure plateau characteristic calculating detector degradation degree and saturation curve flat region slope coefficient, with detection
The performance of the detector.
It should be noted that high pressure plateau characteristic is the working characteristics for detecting detector, can detection detector
Work is in normal region.High pressure plateau characteristic is applicable not only to source range detector, is equally applicable to intermediate range and function
Rate range detector.
Ensure that the good principle of detector work is that detector remains to maintenance one after continuously inputting several high-voltage values
A more stable count value, both detector had a more stable working region, it is possible thereby to the working characteristics of detector
It is good, else if none stable measurement count region, illustrates none stable working region of detector, this
The performance of sample detector may may be degraded or even show breakdown detector.
High pressure plateau characteristic need typing data include high-voltage value and detector counting rate, high pressure plateau characteristic
As shown in Figure 4.
Further, described oblique according to the high pressure plateau characteristic calculating detector degradation degree and saturation curve flat region
Rate coefficient is specifically included with detecting the performance of the detector:
The corresponding current value I (600V) of 600V high-voltage value is obtained according to the high pressure plateau characteristic, and then obtain 0.2 ×
The corresponding high-voltage value V0 of I (600V) current value, as detector degradation degree；
The corresponding current value I (800V) of 800V high-voltage value and 700V high-voltage value pair are obtained according to the high pressure plateau characteristic
The current value I (700V) answered；
Saturation curve flat site slope coefficient is calculated according to current value I (800V) and current value I (700V)
According to the detector degradation degree and saturation curve flat site slope coefficient, the performance of the detector is detected.
Further, when the detector is intermediate range detector, if detecting, the detector degradation degree is greater than
70V then determines that the detector needs to carry out continuous three months to monitor；
If detecting, the detector degradation degree is greater than 140V, and judgement needs replacing the detector；
If detect that the saturation curve flat site slope coefficient is greater than 2%, judgement needs replacing the detection
Device.
Specifically, intermediate range high pressure plateau characteristic determines that quasi- side is as follows:
V0: probe degradation degree is indicated
If V0 > 70V, which needs to carry out continuous three months to monitor.
If V0 > 140V, next overhaul replacement probe.
Wherein:
IO(A)=0.2 × I600V
VO(V)=VI=Io
P (%): saturation curve flat region slope coefficient
If P > 2%, this probe is replaced in next overhaul.
Wherein:
Further, when the detector is power range detector, if detecting, the detector degradation degree is greater than
30V then determines that the detector needs to carry out continuous three months to monitor；
If detecting, the detector degradation degree is greater than 60V, and judgement needs replacing the detector；
If detect that the saturation curve flat site slope coefficient is greater than 2%, judgement needs replacing the detection
Device.
Specifically, power range high pressure plateau characteristic decision criteria is as follows:
V0: indicate probe degradation degree
If V0> 30V, the probe need to carry out continuous three months to monitor.
If V0> 60V, next overhaul replacement probe.
Wherein:
IO(A)=0.2 × I600V
VO(V)=VI=Io
P (%): saturation curve flat region slope coefficient
If P > 2%, this probe is replaced in next overhaul.
Wherein:
Further, the method also includes:
Timing detects the performance of the detector, to predict the performance trend of the detector.
It should be noted that timing detects the performance of detector, such as high pressure plateau characteristic is drawn in timing, and calculates it
In saturation curve flat region slope coefficient P predict detector performance worse and worse if P becomes closer to 2%, to mention
Before carry out replacement detector preparation.
Further, the cable includes source range cable, intermediate range cable and power range cable.
In step s3, the insulating resistance value of the measurement cable, and the cable is detected according to the insulating resistance value
Performance, specifically include:
For each type cable, the insulated electro of the detector under default test condition to cable between cabinet is measured respectively
The insulation of resistance value, detector to the insulating resistance value of cable, the insulating resistance value of island inner cable and island outer cable between connecting plate
Resistance value；The default test condition is under 25 ± 10 DEG C of environment temperature, 65% or less relative humidity plus 500V DC voltage
Condition；
If the insulating resistance value for detecting the detector to cable between cabinet is greater than 1*1010Ω then determines the spy
Survey device between cabinet cable it is functional；
If the insulating resistance value for detecting the detector to cable between connecting plate is greater than 1*1011Ω, then described in judgement
Detector between connecting plate cable it is functional；
If detecting, the insulating resistance value of the island inner cable is greater than 1*1011Ω then determines the performance of the island inner cable
Well；
If detecting, the insulating resistance value of the island outer cable is greater than 1*1011Ω then determines the performance of the island outer cable
Well.
It should be noted that the acceptance criteria inventory of cable is as shown in table 1.
Table 1
Wherein, MA refers to detector；BND refers to connecting plate；TWO refers to penetration piece；AR refers to cabinet.
Further, the method also includes:
The insulating resistance value of cable described in Timing measurement, to predict the performance trend of the cable.
It should be noted that the insulating resistance value of cable described in Timing measurement, such as the insulation of Timing measurement island inner cable
Resistance value, if the insulating resistance value of island inner cable becomes closer to 1x1011Ω then predicts the performance of island inner cable worse and worse,
To carry out the preparation of replacement cable in advance.
It is the tool of nuclear power plant's Nuclear Instrument detector and cable performance detection method provided in an embodiment of the present invention referring to Fig. 5
Body flow chart.
The detection of detector performance includes step S501 to S506:
S501, detector information record；
S502, test measurement data record；
S503, detector indicatrix draw (curves such as high pressure level ground, discriminating threshold)；
S504, the verifying of indicatrix criterion；If passing through, S505 is executed, if not passing through, executes S506；
S505, the storage of trend prediction data；
S506, maintenance replacement data record.
The detection of cable performance includes step S507 to S511:
S507, cable insulation monitoring；
S508, cable detection data record；
S509, the comparison of resistance acceptance criteria；If passing through, S510 is executed, if not passing through, executes S511；
S510, the storage of trend prediction data；
S511, maintenance replacement data record.
The embodiment of the present invention inputs the test data of detector, and draws detector indicatrix according to test data, with
According to this feature curve carry out detector performance detection, measure the insulating resistance value of cable, with according to the insulating resistance value into
The detection of row cable performance effectively improves detection efficiency to realize the automatic detection of detector and cable performance, reduces manpower
Cost.
Embodiment two
The embodiment of the invention provides a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection systems, can be realized
All processes for stating nuclear power plant's Nuclear Instrument detector and cable performance detection method, referring to Fig. 6, the Nuclear Instrument includes detector
And the cable of the connection detector, the system comprises:
Data input module 1, for inputting the test data of detector；
Detector performance detection module 2, for drawing detector indicatrix according to the test data, described in detection
The performance of detector；
Cable performance detection module 3 detects institute for measuring the insulating resistance value of cable, and according to the insulating resistance value
State the performance of cable；
Nuclear Instrument processing module 4, for according to the performance of the performance of detector and cable that detect to the Nuclear Instrument
It is handled.
The embodiment of the present invention inputs the test data of detector, and draws detector indicatrix according to test data, with
According to this feature curve carry out detector performance detection, measure the insulating resistance value of cable, with according to the insulating resistance value into
The detection of row cable performance effectively improves detection efficiency to realize the automatic detection of detector and cable performance, reduces manpower
Cost.
In conclusion the invention proposes a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection method and system,
It is with preferable practical function:
1) realize that conventional operation mode, to intelligence, the transformation in interconnection networking direction, can effectively improve work in the new era
Make efficiency, the work of partial repeatability is handled by intellectual technology, effective improvement has been carried out to working method and tool；
2) it on the basis of a large amount of summaries of experience, realizes the standardization of data input, output content, realizes action
Standardized management.It realizes the intelligence of data processing, analysis, realizes the automatic drafting of equipment performance characteristics curve, equipment performance
Automatic diagnosis, realize device history trend processing, realize facility information data management function；
3) unified database and operating platform are established, convenient for the focus utilization of group's plant information.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection method, which is characterized in that the Nuclear Instrument includes detection
The cable of device and the connection detector, which comprises
Input the test data of detector；
Detector indicatrix is drawn according to the test data, to detect the performance of the detector；
The insulating resistance value of cable is measured, and detects the performance of the cable according to the insulating resistance value；
The Nuclear Instrument is handled according to the performance of the detector detected and the performance of cable.
2. nuclear power plant's Nuclear Instrument detector as described in claim 1 and cable performance detection method, which is characterized in that the spy
Survey device is source range detector, and the test data of the detector is discriminator, and the detector indicatrix is to screen spy
Levy curve；
It is described to be specifically included according to test data drafting detector indicatrix with detecting the performance of the detector:
According to the different corresponding count values of discriminator measurement detector；
According to the corresponding relationship of the discriminator and the count value, draws and screen indicatrix；
The examination indicatrix is detected according to preset criteria of curve, obtains the performance of the detector.
3. nuclear power plant's Nuclear Instrument detector as described in claim 1 and cable performance detection method, which is characterized in that the spy
Survey device is source range detector, intermediate range detector or power range detector, and the test data of the detector is high pressure
Value, the detector indicatrix are high pressure plateau characteristic；
It is described to be specifically included according to test data drafting detector indicatrix with detecting the performance of the detector:
According to the different corresponding current values of high-voltage value measurement detector；
According to the corresponding relationship of the high-voltage value and the current value, high pressure plateau characteristic is drawn；
According to the high pressure plateau characteristic calculating detector degradation degree and saturation curve flat region slope coefficient, described in detection
The performance of detector.
4. nuclear power plant's Nuclear Instrument detector as claimed in claim 3 and cable performance detection method, which is characterized in that described
According to the high pressure plateau characteristic calculating detector degradation degree and saturation curve flat region slope coefficient, to detect the detector
Performance, specifically include:
The corresponding current value I (600V) of 600V high-voltage value is obtained according to the high pressure plateau characteristic, and then obtains 0.2 × I
The corresponding high-voltage value V0 of (600V) current value, as detector degradation degree；
The corresponding current value I (800V) of 800V high-voltage value is obtained according to the high pressure plateau characteristic and 700V high-voltage value is corresponding
Current value I (700V)；
Saturation curve flat site slope coefficient is calculated according to current value I (800V) and current value I (700V)
According to the detector degradation degree and saturation curve flat site slope coefficient, the performance of the detector is detected.
5. nuclear power plant's Nuclear Instrument detector as claimed in claim 4 and cable performance detection method, which is characterized in that described
According to the detector degradation degree and saturation curve flat site slope coefficient, the performance of the detector is detected, is specifically included:
The detector be intermediate range detector when, if detect the detector degradation degree be greater than 70V, determine described in
Detector needs to carry out continuous three months to monitor；
If detecting, the detector degradation degree is greater than 140V, and judgement needs replacing the detector；
If detect that the saturation curve flat site slope coefficient is greater than 2%, judgement needs replacing the detector.
6. nuclear power plant's Nuclear Instrument detector as claimed in claim 4 and cable performance detection method, which is characterized in that described
According to the detector degradation degree and saturation curve flat site slope coefficient, the performance of the detector is detected, is specifically included:
The detector be power range detector when, if detect the detector degradation degree be greater than 30V, determine described in
Detector needs to carry out continuous three months to monitor；
If detecting, the detector degradation degree is greater than 60V, and judgement needs replacing the detector；
If detect that the saturation curve flat site slope coefficient is greater than 2%, judgement needs replacing the detector.
7. nuclear power plant's Nuclear Instrument detector as described in claim 1 and cable performance detection method, which is characterized in that the side
Method further include:
Timing detects the performance of the detector, to predict the performance trend of the detector.
8. nuclear power plant's Nuclear Instrument detector as described in claim 1 and cable performance detection method, which is characterized in that the electricity
Cable includes source range cable, intermediate range cable and power range cable；
The insulating resistance value of the measurement cable, and the performance of the cable is detected according to the insulating resistance value, it specifically includes:
For each type cable, the insulation resistance of the detector under default test condition to cable between cabinet is measured respectively
Value, the insulated electro of detector to the insulating resistance value of cable, the insulating resistance value of island inner cable and island outer cable between connecting plate
Resistance value；The default test condition is under 25 ± 10 DEG C of environment temperature, 65% or less relative humidity plus 500V DC voltage
Condition；
If the insulating resistance value for detecting the detector to cable between cabinet is greater than 1*1010Ω then determines the detector
To between cabinet cable it is functional；
If the insulating resistance value for detecting the detector to cable between connecting plate is greater than 1*1011Ω then determines the detection
Device between connecting plate cable it is functional；
If detecting, the insulating resistance value of the island inner cable is greater than 1*1011Ω then determines the functional of the island inner cable；
If detecting, the insulating resistance value of the island outer cable is greater than 1*1011Ω then determines the functional of the island outer cable.
9. nuclear power plant's Nuclear Instrument detector as described in claim 1 and cable performance detection method, which is characterized in that the side
Method further include:
The insulating resistance value of cable described in Timing measurement, to predict the performance trend of the cable.
10. a kind of nuclear power plant's Nuclear Instrument detector and cable performance detection system can be realized such as any one of claim 1 to 9
Nuclear power plant's Nuclear Instrument detector and cable performance detection method, which is characterized in that the Nuclear Instrument include detector with
And the cable of the connection detector, the system comprises:
Data input module, for inputting the test data of detector；
Detector performance detection module, for drawing detector indicatrix according to the test data, to detect the detection
The performance of device；
Cable performance detection module detects the electricity for measuring the insulating resistance value of cable, and according to the insulating resistance value
The performance of cable；
Nuclear Instrument processing module, for according to the performance of the performance of detector and cable that detect to the Nuclear Instrument at
Reason.
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