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CN102997957A - Debugging method of nuclear power plant half-speed turbine monitoring system - Google Patents

Debugging method of nuclear power plant half-speed turbine monitoring system Download PDF

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CN102997957A
CN102997957A CN2012105047310A CN201210504731A CN102997957A CN 102997957 A CN102997957 A CN 102997957A CN 2012105047310 A CN2012105047310 A CN 2012105047310A CN 201210504731 A CN201210504731 A CN 201210504731A CN 102997957 A CN102997957 A CN 102997957A
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sensor
installation
turbine
nuclear power
measurement data
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CN102997957B (en
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杨里平
杨玉涛
张镨
张国军
朱嘉云
徐志辉
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China General Nuclear Power Corp
China Nuclear Power Engineering Co Ltd
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China General Nuclear Power Corp
China Nuclear Power Engineering Co Ltd
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Abstract

The invention discloses a debugging method of a nuclear power plant half-speed turbine monitoring system. The debugging method includes the following steps that S1, after a drawing is checked, and correct wiring of a control cabinet is guaranteed, the control cabinet is powered up, and verification of sensor characteristics is conducted by using a semi-physical verification platform; and after the control cabinet is powered up and the verification of the sensor characteristics is finished, verification of a channel below the semi-physical verification platform is conducted; S2, a sensor is installed; S3, after a measuring channel from the sensor to a display terminal is built, a monitoring instrument is adjusted by comparing a measuring value and a display value; and S4, jiggering, impulse starting and grid combining of a turbine unit are finished, and comparison of mechanical measurement and instrument control measuring value is conducted during on-load so as to verify whether unit operation requirements are met. The debugging method can solve the problem that static characteristic inspection can not be conducted before installing of the sensor, and cost is saved.

Description

A kind of nuclear power plant half speed turbine surveillance adjustment method
Technical field
The present invention relates to the nuclear power technology field, in particular, relate to a kind of nuclear power plant half speed turbine surveillance adjustment method.
Background technology
The steam turbine monitor system is reliable, a multichannel instrument measurement analytic system, in order to machinery and the physical parameter of continuous coverage turbine rotor and cylinder.The steam turbine monitor system is as the critical system that monitors and protect unit safety operation, and the adjustment method that adopts in conventional thermoelectricity is as follows:
(1) carries out inspection and the check and correction of drawing before sensor (subsidiary fore-lying device and extension cable) is installed;
(2) steam turbine monitor system control cabinet and module are installed, wiring check, and switch board powers on;
(3) check that steam turbine monitor system module configuration arranges;
(4) check that the steam turbine monitor system is to interface signals such as Protection System of Turbins;
When (5) carrying out the current vortex sensor installation, adopt the gap voltage of multimeter survey sensor, determine the installation site of sensor according to gap voltage; The uniform acceleration sensor that watt shakes is directly installed; Speed probe is determined the installation site according to the assemblage gap of sensor.
(6) for having the sensor (such as the relative expansion sensor) of regulating support, regulate support during installation and carry out checking linearity, and the linear relationship curve is inserted the module configuration, such as the requirement of linear relationship coincidence measurement, the installation site of fixation of sensor.
(7) carry out the dynamic surveillance of measurement parameter after steam turbine starts at the DCS picture.
The prior art scheme is followed the debug process of conventional thermoelectricity; at first pop one's head in, fore-lying device, the verification of prolongation cable; after checking through drawing on this basis switch board is powered on; check system module configuration, guard signal inspection; finish installation of sensors according to the variety classes sensor, carry out again the dynamic parameter supervision that steam turbine starts rear system at last.
Present nuclear power station, all take external supplier's debugging as main, do not have to form special complete scheme for nuclear power plant's steam turbine monitor system debug, also also immature to the research of its crucial debugging technique, its technical scheme has also followed the debugging scheme of conventional thermoelectricity substantially.Because the singularity of nuclear safety, nuclear power generating sets have stricter control and requirement to hang-up, shutdown, and the steam turbine monitor system is as the important sensory system of nuclear power station, and the debugging scheme of conventional thermoelectricity can not be applicable to the debugging of nuclear power generating sets fully.
There is following defective at least in this technical scheme when being applied to nuclear power station:
(1) can't before starting, steam turbine check steam turbine monitor system module passage in the debugging scheme of conventional thermoelectricity;
(2) for current vortex and the debugging with adjusting support sensor, also can't before starting, steam turbine check the static characteristics of full tunnel.
In the nuclear power generating sets debugging, the debugging of Steam Turbine and the operating condition of reactor are closely bound up, possess skills difficulty, have a big risk, characteristics that interface is many, its debugging cycle and debugging quality will directly affect whole unit red switch, be incorporated into the power networks and discuss progress and the safety of fortune.Above-mentioned conventional thermal power steam turbine surveillance debugging scheme does not have takes into account the factors such as the shutdown risk of reactor, nuclear safety, debugging cycle, and is not suitable for the debugging of nuclear power generating sets.
Summary of the invention
The technical problem to be solved in the present invention is that the defective for carrying out the static characteristics inspection before the installation of sensors in the prior art provides a kind of nuclear power plant half speed turbine surveillance adjustment method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of nuclear power plant half speed turbine surveillance adjustment method is provided, may further comprise the steps:
S1, after finishing drawing and checking and guarantee that the switch board wiring is correct, switch board is powered on and utilizes semi physical verification platform to carry out the checked for characteristics of sensor; Power at switch board, after the checked for characteristics of sensor finishes, carry out the passage verification under the semi physical verification platform;
S2, carry out installation of sensors;
S3, behind the measurement passage of setting up from described sensor to display terminal, come supervisory instrument is adjusted by measurement of comparison value and displayed value;
S4, finish Steam Turbine machine jiggering, red switch, be incorporated into the power networks and carry out the comparison of mechanical measurement and instrument detection value during on-load, whether satisfy the unit operation requirement with the confirmatory measurement precision.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, also carry out simultaneously following steps among the step S1, the sensor probe support is pre-installed, whether satisfied to install and measure requiring and in time do not adjust when not mating installing with check probe mounting bracket, installation site.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, among the step S2, after finishing sensor fixed installation, carry out extension cable and rock voltage tester, and to the extension cable cable laying crane span structure of sensor.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, among the described step S1, the checked for characteristics of sensor is by characteristic comparison the with measured value-measuring voltage and Feature Description record, and whether the verificating sensor measuring accuracy meets the demands.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, step S1 carries out the verification of vibration, displacement, key phase, expansion sensor simultaneously in described passage verification; Step S2 vibrates simultaneously, the installation of displacement, key phase, expansion sensor.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, step S1 is in described passage verification, with installation of sensors on semi physical verification platform, send into the switch board of steam turbine monitor system through fore-lying device, and adopt multimeter to measure fore-lying device outlet voltage as gap voltage and show, repeatedly regulate the gap voltage when measuring the clearance distance between the disk on sensor and the semi physical verification platform and measuring described clearance distance, obtain the static characteristics parameter between gap voltage and the clearance distance, and the deviation between acquisition measured value and the displayed value, described static characteristics parameter comprises linear relationship, sensitivity.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, step S1 comprises and carries out the piezoelectric acceleration transducer Channel Test, the pk-pk value of measuring-signal generating means output voltage, and obtain the effective value of the sub-input voltage of switch board sensor terminals according to following formula:
U=S*K/ (2*sqrt (2)) pk-pk, wherein: K is sensor accuracy; S is vibration rate; Sqrt is sqrt; Pk-pk is that waveform peak crest is to the voltage difference of minimum point trough.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, installation of sensors comprises the installation of axial displacement and relative expansion sensor among the step S2, and the installation of described axial displacement and relative expansion sensor may further comprise the steps:
Determine the mechanical zero of steam turbine, turbine rotor is pushed into mechanical zero, the temperature of the position turbine rotor of record prevailing circumstances temperature and installation of sensors, adjust sensor to measuring zero-bit, carry out simultaneously mechanical manual measurement, keep sensor measurement data, the artificial measurement data of machinery consistent with mechanical zero.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, the installation of finishing described axial displacement and relative expansion sensor is further comprising the steps of:
A1, turbine rotor carry out the comparison of robot worker measurement data and sensor DCS measurement data after external force discharges abundant recurrence installation site;
Support is measured from the spacing of rotor and cylinder in the initial installation site of A2, mark sensor mounting bracket and other installation accessories, and the temperature of rotor and surrounding environment, calculates the swell increment of rotor and cylinder;
A3, under the Turbine Barring Gears state, carry out the comparison of the artificial measurement data of machinery and sensor DCS measurement data:
A4, steam turbine carry out the comparison of the artificial measurement data of machinery and sensor DCS measurement data during to the 1500rpm rated speed;
A5, be incorporated into the power networks for the first time Power operation stage of on-load to 100% rated power from steam turbine, the every increase of turbodynamo 100MW power carries out the comparison of one-time mechanical manual measurement data and sensor DCS measurement data;
A6, after the steam turbine trip test, carry out the comparison of robot worker measurement data and sensor DCS measurement data.
In nuclear power plant of the present invention half speed turbine surveillance adjustment method, the method also comprises step S0, carries out debugged program optimization in described step S0, classifies and arranges to test accordingly window according to sensor characteristic.
Nuclear power plant of the present invention half speed turbine surveillance adjustment method has beneficial effect: the present invention adopts semi physical verification platform, making sensor carry out the full tunnel checking linearity before formal the installation becomes possibility, has solved and can't carry out the problem that static characteristics checks before the installation of sensors.Application by semi physical verification platform; settling signal Channel Test before installation of sensors; finish the check of collection, processing module precision; prevent that the steam turbine red switch from causing compressor emergency shutdown because of the module characteristic issues; guarantee carrying out smoothly of steam turbine monitor system function test; also avoided buying a large amount of expensive testing tools in the steam turbine monitor system function test stage, saved cost.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the process flow diagram of nuclear power plant of the present invention half speed turbine surveillance adjustment method;
Fig. 2 is the process flow diagram of the specific embodiment of nuclear power plant's half speed turbine surveillance adjustment method according to the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Be a kind of nuclear power plant of the present invention half speed turbine surveillance adjustment method as shown in Figure 1, the method may further comprise the steps:
S1, after finishing drawing and checking and guarantee that the switch board wiring is correct, switch board is powered on and utilizes semi physical verification platform to carry out the checked for characteristics of sensor; Power at switch board, after the checked for characteristics of sensor finishes, carry out the passage verification under the semi physical verification platform;
S2, carry out installation of sensors, unified machinery and instrument control zero point;
S3, behind the measurement passage of setting up from described sensor to display terminal, come supervisory instrument is adjusted by measurement of comparison value and displayed value;
S4, finish Steam Turbine machine jiggering, red switch, be incorporated into the power networks and carry out the comparison of mechanical measurement and instrument detection value during on-load, whether satisfy the unit operation requirement with the confirmatory measurement precision.
The present invention adopts semi physical verification platform, and making sensor carry out the full tunnel checking linearity before formal the installation becomes possibility, has solved and can't carry out the problem that static characteristics checks before the installation of sensors.Wherein, the material that semi physical verification platform adopts is identical with the equipment of rotor and actual working environment, with real simulation working sensor environment.
Application by semi physical verification platform, be implemented in the front check to Sensor's Static characteristic, sensor measurement channel linear characteristic of installation of sensors, avoid because of sensor, measure the overproof problem of measurement that the hardware problem such as passage causes, the sensor subsequent installation is had guiding significance.Simultaneously; application by semi physical verification platform; settling signal Channel Test before installation of sensors; finish the check of collection, processing module precision; prevent that the steam turbine red switch from causing compressor emergency shutdown because of the module characteristic issues; guarantee carrying out smoothly of steam turbine monitor system function test, also avoided buying a large amount of expensive testing tools in the steam turbine monitor system function test stage, saved cost.
Wherein, if the checked for characteristics of sensor or passage verification are found to exist defective among the step S1, then carry out project setting and re-start checked for characteristics or the passage verification.Concrete, among the step S1, the checked for characteristics of sensor is by characteristic comparison the with measured value-measuring voltage and Feature Description record, and whether the verificating sensor measuring accuracy meets the demands.Since whether qualified criterion be known in the art be not main points of the present invention, describe in detail no longer one by one herein.Among the step S3, if measured value and displayed value are inconsistent, again measurement of comparison value and displayed value after the then adjustment scheme.
In addition, also carry out simultaneously following steps among the step S1, the sensor probe support is pre-installed, whether satisfy to install and measure with check probe mounting bracket, installation site and require and in time do not adjust when not mating installing, reset the situation of installation site after avoiding installation of sensors to make mistakes, in addition, the process of the checked for characteristics of this step and sensor, passage verification is carried out simultaneously, has shortened the duration.
Further, among the step S2, after finishing the sensor fixed installation, carry out extension cable and rock voltage tester, and to the extension cable cable laying crane span structure of sensor, be preferably the extension cable cable laying crane span structure of larger sensor affected by environment herein, affected by environmently comprise the factors such as temperature, vibration, personnel walk about.
After installation of sensors is finished; if dealing with improperly of extension cable and sensor intermediate head; loosening or the measuring-signal sudden change of sensor intermediate head after often causing steam turbine to start; can be affected by environment larger; to cause the steam turbine hang-up; this class fault often occurs in fired power generating unit, thus installation of sensors to finish post-processing technology very crucial.For the problem that prevents this type of high failure rate occurs, must take appropriate measures, concrete:
(1) lay the sensor extension cable to junction box's private cable crane span structure, prevent extension cable the steam turbine buckle closure or near damaged during operation, with avoid extension cable through the excessive sensor fault that causes of path vibration.After installation of sensors is fixing, voltage tester is rocked in the intermediate head of sensor and extension cable; and laying sensor extension cable private cable crane span structure; solved the problem that causes easily sensor measurement data frequent fluctuation and intermediate head to damage greatly because of near the vibration steam turbine; improved the reliability of sensor measurement; failure rate and the steam turbine hang-up number of times of installation of sensors have been reduced; also avoided the excessive impact that sensor is caused of steam turbine front bearing box fluctuation; solve the excessive problem of sensor fluctuation, also avoided simultaneously the sensor extension cable to be bumped the problem that causes the intermediate head loose contact by field personnel's mistake.
(2) installation of sensors finish with the steam turbine buckle closure after measure and to rock voltage; to check the loosening or damage that whether causes sensor intermediate head, extension cable in the steam turbine buckle closure process; to find in advance, to deal with problems, avoid steam turbine to start rear therefore class sensor fault non-programmed halt.
(3) near the heat-preserving equipment arrangement sensor prevents the annexes such as heat-preserving equipment covering sensor and extension cable, and the reading that affects on-the-spot pointer, has prevented moving freely of heat-preserving equipment bite sensor pointer, has guaranteed the correctness of sensor measurement.
Concrete, step S1 carries out the verification of vibration, displacement, key phase, expansion sensor simultaneously in the passage verification; Step S2 vibrates simultaneously, the installation of displacement, key phase, expansion sensor.Whole process adopts matrix form debugging scheme, to reach the purpose that shortens debug time.Vibration transducer comprises the axle sensor of measuring vibrations such as shake and watt shake, it can be current vortex sensor, it also may be piezoelectric transducer, displacement transducer comprises axially and other displacement measurement sensor, wherein vibration, displacement, key phase, expansion sensor are divided according to its measurement function, piezoelectric acceleration transducer, piezoelectric velocity sensor, current vortex sensor etc. are divided according to measuring principle, these two kinds of division methods may have intersection, follow the type selecting of different power plant that relation is arranged.
Wherein, step S1 is in the passage verification, with installation of sensors on semi physical verification platform, send into the switch board of steam turbine monitor system through fore-lying device, and adopt multimeter to measure fore-lying device outlet voltage as gap voltage and show, gap voltage when utilizing miking sensor and the clearance distance between the measurement disk on the semi physical verification platform and measuring described clearance distance, thereby the static characteristics parameters such as the linear relationship between acquisition gap voltage and the clearance distance, sensitivity, and the deviation between acquisition measured value and the displayed value.
Figure BDA00002504631000071
e 1Be sensor accuracy, comprise fore-lying device; e 2Be the switch board precision, comprise the overall precision of fastener, processor etc.; e 3Be the display end precision.
In addition, step S1 comprises and carries out the piezoelectric acceleration transducer Channel Test, the pk-pk value of measuring-signal generating means output voltage, and obtain the effective value of the sub-input voltage of switch board sensor terminals according to following formula:
U=S*K/ (2*sqrt (2)) pk-pk, wherein: K is sensor accuracy; S is vibration rate; Sqrt is sqrt; Pk-pk is that waveform peak crest is to the voltage difference of minimum point trough.
The pk-pk value of measuring output voltage replaces measuring the effective value method, avoids the huge cost that produces because buying high-precision little mV signal instrument, has also solved the overproof problem of piezoelectric acceleration transducer Channel Test.
Installation of sensors comprises the installation of axial displacement and relative expansion sensor among the step S2; because in the Installation and Debugging process of the displacement of steam turbine monitor system axial and relative expansion sensor; the commissioning staff often can run into following problem after steam turbine starts; particularly when the axial displacement of unit and relative expansion data exception, need to solve following problem to judge whether measurement data can reflect correctly that the virtual condition of unit just can make correct processing scheme:
(1) sensor measurement the reliability of the data problem is namely with the data of steam turbine reality consistent problem whether;
(2) accuracy problem of sensor measurement data, i.e. error of measured data problem whether within the acceptable range;
(3) problem of measuring basis, namely whether sensor initial installation zero point is the problem of mechanical zero.
The installation of axial displacement and relative expansion sensor may further comprise the steps:
Determine the mechanical zero of steam turbine, turbine rotor is pushed into mechanical zero, the temperature of the position turbine rotor of record prevailing circumstances temperature and installation of sensors, adjust sensor to measuring zero-bit, carry out simultaneously mechanical manual measurement, keep sensor measurement data, the artificial measurement data of machinery consistent with mechanical zero.When carrying out the installation of relative expansion and shaft position sensor; unified machinery and instrument control zero point have been adopted; and in Turbine Barring Gears, red switch, be incorporated into the power networks and carry out the comparison method of mechanical measurement and instrument detection value during on-load; solve steam turbine and started rear relative expansion and shaft position sensor measurement reliability; mechanical zero and sensor measurement zero-bit consistance; make the on-the-spot total indicator reading of sensor, mechanical measurement value, measurement value sensor all keep consistent; reduced the risk of hang-up behind the unit starting, the security that has improved Steam Turbine.
And then, further comprising the steps of to guarantee sensor measurement the reliability of the data and accuracy in the installation of finishing axial displacement and relative expansion sensor:
A1, turbine rotor carry out the comparison of robot worker measurement data and sensor DCS measurement data after external force discharges abundant recurrence installation site;
Support is measured from the spacing of rotor and cylinder in the initial installation site of A2, mark sensor mounting bracket and other installation accessories, and the temperature of rotor and surrounding environment, calculates the swell increment of rotor and cylinder;
A3, under the Turbine Barring Gears state, carry out the comparison of the artificial measurement data of machinery and sensor DCS measurement data:
A4, steam turbine carry out the comparison of the artificial measurement data of machinery and sensor DCS measurement data during to the 1500rpm rated speed;
A5, be incorporated into the power networks for the first time Power operation stage of on-load to 100% rated power from steam turbine, the every increase of turbodynamo 100MW power carries out the comparison of one-time mechanical manual measurement data and sensor DCS measurement data;
A6, after the steam turbine trip test, carry out the comparison of robot worker measurement data and sensor DCS measurement data.
In addition, method also comprises step S0, carries out debugged program optimization in step S0, classifies and arranges to test accordingly window according to sensor characteristic.This optimization order existing debugging scheme, formed the complete scheme of debugging for nuclear power plant's half speed turbine surveillance specially on prior art scheme basis, solved steam turbine monitor system core debugging technique problem, improved the safety and reliability of Steam Turbine, shorten the debugging duration, optimized the debug time window.By debugged program optimization, classify according to sensor characteristic, reasonable arrangement test window, the matrix management debugging is carried out, and reaches the purpose that reduces system risk, saving debugging cost, shortens the debugging duration.
Although the present invention describes by specific embodiment, it will be appreciated by those skilled in the art that, without departing from the present invention, can also carry out various conversion and be equal to alternative the present invention.In addition, for particular condition or material, can make various modifications to the present invention, and not depart from the scope of the present invention.Therefore, the present invention is not limited to disclosed specific embodiment, and should comprise the whole embodiments that fall in the claim scope of the present invention.

Claims (10)

1. nuclear power plant's half speed turbine surveillance adjustment method is characterized in that, may further comprise the steps:
S1, after finishing drawing and checking and guarantee that the switch board wiring is correct, switch board is powered on and utilizes semi physical verification platform to carry out the checked for characteristics of sensor; Power at switch board, after the checked for characteristics of sensor finishes, carry out the passage verification under the semi physical verification platform;
S2, carry out installation of sensors;
S3, behind the measurement passage of setting up from described sensor to display terminal, come supervisory instrument is adjusted by measurement of comparison value and displayed value;
S4, finish Steam Turbine machine jiggering, red switch, be incorporated into the power networks and carry out the comparison of mechanical measurement and instrument detection value during on-load, whether satisfy the unit operation requirement with the confirmatory measurement precision.
2. nuclear power plant according to claim 1 half speed turbine surveillance adjustment method, it is characterized in that, also carry out simultaneously following steps among the step S1, the sensor probe support is pre-installed, whether satisfied to install and measure requiring and in time do not adjust when not mating installing with check probe mounting bracket, installation site.
3. nuclear power plant according to claim 1 and 2 half speed turbine surveillance adjustment method is characterized in that, among the step S2, after finishing the sensor fixed installation, carry out extension cable and rock voltage tester, and to the extension cable cable laying crane span structure of sensor.
4. nuclear power plant according to claim 3 half speed turbine surveillance adjustment method, it is characterized in that, among the described step S1, the checked for characteristics of sensor is by characteristic comparison the with measured value-measuring voltage and Feature Description record, and whether the verificating sensor measuring accuracy meets the demands.
5. nuclear power plant according to claim 1 half speed turbine surveillance adjustment method is characterized in that step S1 carries out the verification of vibration, displacement, key phase, expansion sensor simultaneously in described passage verification; Step S2 vibrates simultaneously, the installation of displacement, key phase, expansion sensor.
6. nuclear power plant according to claim 5 half speed turbine surveillance adjustment method, it is characterized in that, step S1 is in described passage verification, with installation of sensors on semi physical verification platform, send into the rack of steam turbine monitor system through fore-lying device, and adopt multimeter to measure fore-lying device outlet voltage as gap voltage and show, repeatedly regulate the gap voltage when measuring the clearance distance between the disk on sensor and the semi physical verification platform and measuring described clearance distance, obtain the static characteristics parameter between gap voltage and the clearance distance, and the deviation between acquisition measured value and the displayed value, described static characteristics parameter comprises linear relationship, sensitivity.
7. nuclear power plant according to claim 5 half speed turbine surveillance adjustment method, it is characterized in that, step S1 comprises and carries out the piezoelectric acceleration transducer Channel Test, the pk-pk value of measuring-signal generating means output voltage, and obtain the effective value of the sub-input voltage of switch board sensor terminals according to following formula:
U=S*K/ (2*sqrt (2)) pk-pk, wherein: K is sensor accuracy; S is vibration rate; Sqrt is sqrt; Pk-pk is that waveform peak crest is to the voltage difference of minimum point trough.
8. nuclear power plant according to claim 5 half speed turbine surveillance adjustment method, it is characterized in that, installation of sensors comprises the installation of axial displacement and relative expansion sensor among the step S2, and the installation of described axial displacement and relative expansion sensor may further comprise the steps:
Determine the mechanical zero of steam turbine, turbine rotor is pushed into mechanical zero, the temperature of the position turbine rotor of record prevailing circumstances temperature and installation of sensors, adjust sensor to measuring zero-bit, carry out simultaneously mechanical manual measurement, keep sensor measurement data, the artificial measurement data of machinery consistent with mechanical zero.
9. nuclear power plant according to claim 8 half speed turbine surveillance adjustment method is characterized in that the installation of finishing described axial displacement and relative expansion sensor is further comprising the steps of:
A1, turbine rotor carry out the comparison of robot worker measurement data and sensor DCS measurement data after external force discharges abundant recurrence installation site;
Support is measured from the spacing of rotor and cylinder in the initial installation site of A2, mark sensor mounting bracket and other installation accessories, and the temperature of rotor and surrounding environment, calculates the swell increment of rotor and cylinder;
A3, under the Turbine Barring Gears state, carry out the comparison of the artificial measurement data of machinery and sensor DCS measurement data:
A4, steam turbine carry out the comparison of the artificial measurement data of machinery and sensor DCS measurement data during to the 1500rpm rated speed;
A5, be incorporated into the power networks for the first time Power operation stage of on-load to 100% rated power from steam turbine, the every increase of turbodynamo 100MW power carries out the comparison of one-time mechanical manual measurement data and sensor DCS measurement data;
A6, after the steam turbine trip test, carry out the comparison of robot worker measurement data and sensor DCS measurement data.
10. nuclear power plant according to claim 5 half speed turbine surveillance adjustment method, it is characterized in that, the method also comprises step S0, carries out debugged program optimization in described step S0, classifies and arranges to test accordingly window according to sensor characteristic.
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CN107063153A (en) * 2015-09-09 2017-08-18 通用电器技术有限公司 Steam turbine stage measuring system and its method
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CN105865713A (en) * 2016-05-03 2016-08-17 大唐东北电力试验研究所有限公司 Dynamic balance optimizing device and method for high-medium-pressure rotor of steam turbine generator unit
CN107024240A (en) * 2017-03-28 2017-08-08 大唐彬长发电有限责任公司 The dynamic check method in steam turbine monitor protection instrument loop
CN106969828A (en) * 2017-04-18 2017-07-21 中广核工程有限公司 A kind of steam turbine watt vibration sensor fault diagnosis and passage check system and method
CN108592966A (en) * 2018-03-30 2018-09-28 中国能源建设集团安徽电力建设第工程有限公司 A kind of thermal control device flow of installation
CN109444533A (en) * 2018-11-06 2019-03-08 青海电研科技有限责任公司 The optimization method of reactive power compensator performance detection
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CN109238341A (en) * 2018-11-12 2019-01-18 安徽江淮汽车集团股份有限公司 A kind of zero method of instrument automation pointer school
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