WO2012053759A2 - Testeur portatif destiné à un système d'asservissement commandant un actionneur hydraulique pour une soupape de turbine à vapeur - Google Patents

Testeur portatif destiné à un système d'asservissement commandant un actionneur hydraulique pour une soupape de turbine à vapeur Download PDF

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Publication number
WO2012053759A2
WO2012053759A2 PCT/KR2011/007478 KR2011007478W WO2012053759A2 WO 2012053759 A2 WO2012053759 A2 WO 2012053759A2 KR 2011007478 W KR2011007478 W KR 2011007478W WO 2012053759 A2 WO2012053759 A2 WO 2012053759A2
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WO
WIPO (PCT)
Prior art keywords
hydraulic
test
tester
hydraulic actuator
valve
Prior art date
Application number
PCT/KR2011/007478
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English (en)
Korean (ko)
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WO2012053759A3 (fr
WO2012053759A9 (fr
Inventor
윤계천
Original Assignee
Youn Kye Cheon
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Youn Kye Cheon filed Critical Youn Kye Cheon
Priority to JP2013534799A priority Critical patent/JP2014500423A/ja
Publication of WO2012053759A2 publication Critical patent/WO2012053759A2/fr
Publication of WO2012053759A3 publication Critical patent/WO2012053759A3/fr
Publication of WO2012053759A9 publication Critical patent/WO2012053759A9/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/003—Machine valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003—Arrangements for testing or measuring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines

Definitions

  • the present invention relates to a tester for testing hydraulic systems (hydraulic actuators, dump valves, hydraulic servo valves and shut-off valves) of nuclear and thermal power plants, and more specifically, to control the opening degree of a valve for a steam turbine.
  • a test device for testing valves including a hydraulic actuator (cylinder) installed for opening and closing and a hydraulic servovalve for driving the same, wherein the turbine hydraulic system is inspected due to the interruption of the hydraulic supply during a plant overhaul.
  • the present invention relates to a mobile tester for a hydraulic actuator servo system of a turbine steam valve for pre-failure diagnosis and performance inspection before disconnecting the hydraulic actuator from the turbine hydraulic system.
  • a nuclear power plant is composed of a steam generator (1) centered on a nuclear reactor and a turbine (2), a generator system (3), and a cooling system (4) for driving a generator by receiving steam.
  • the amount of power generated is controlled by the operation of the steam valve 5 which controls the amount of steam supplied to the turbine 2.
  • it is driven by the hydraulic actuator system 10 of the turbine steam side to drive the steam valve 5 to supply steam to the turbine (2) and shut off the steam during the trip of the turbine (2).
  • the hydraulic actuator system 10 of the turbine steam valve includes the hydraulic signal line 12 of the EMERGENCY TRIP SYSTEM 17 and the hydraulic signal line of the OVER SPEED TRIP SYSTEM 16. 13) is connected to the hydraulic actuator system 10 of the turbine steam side, and these hydraulic signals are used as the hydraulic supply and shutoff signals of the main hydraulic supply line 15 of the hydraulic actuator.
  • the signal of the hydraulic signal line 12 of the emergency stop system 17 and the signal of the hydraulic signal line 13 of the overspeed prevention system 16 are emergency stop solenoid valves attached to the hydraulic actuator 10 of the turbine steam valve. It acts as a hydraulic signal to the main oil supply shutoff valve 11 of the quick oil supply apparatus 21 inside the hydraulic actuator 20, and the hydraulic actuator system 10 of a turbine steam valve via 19. This signal causes the supply of the main hydraulic supply line 15 to the servo valve 22 for driving the hydraulic actuator 20 so as to support the rapid oil supply device 21 and prevent the hydraulic oil in the hydraulic actuator 20 from being rapidly drained.
  • the emergency stop valve 18 is operated by the operation of the overspeed prevention system 16 to operate the hydraulic actuator 20 of the turbine steam valve.
  • the hydraulic actuator 20 is retracted to shut off the steam supply to the turbine, the drive servo valve 22 and the main hydraulic supply shutoff valve ( 11) is operated to shut off the hydraulic supply of the main hydraulic supply line 15 supplied to the driving servo valve 22.
  • the hydraulic actuator of the turbine steam valve plays a very important role in the power plant power generation system, thereby taking charge of the safety of the entire system.
  • a turbine 2 (especially a steam turbine) typically has a plurality of steam valves 5, which are devices which play a very important role in power generation facilities which function to supply and block steam or bypass the turbine. to be.
  • a hydraulic supply device and a test device using the same are used to inspect and test valves of a hydraulic actuator system of a steam turbine.
  • Korean Patent Registration No. 555344 Invention: Hydraulic Valve Performance Test Device
  • Method are disclosed.
  • the installation area is largely required as it is installed as a fixed facility inside the power plant, and there is a problem of inefficiency in terms of required cost.
  • the conventional test apparatus has a problem in that it is necessary to remove the corresponding parts from the power generation facility for inspection due to the hydraulic supply interruption of the hydraulic system during the inspection, and the separated parts must be moved to a specific place where the test apparatus is located. Increasing time and cost had inefficient problems.
  • turbine steam valve hydraulic system is used for a long time without any downtime unlike general industrial machinery, it is a very reliable facility.It is necessary to check individual steam valve hydraulic system for repair and performance to check whether it is continuously used during maintenance. do. Therefore, there is a need for a mobile tester that can be miniaturized for pre-failure diagnosis and performance inspection before separating the hydraulic actuator from the turbine hydraulic system and can secure mobility for easy access to the test object.
  • the present invention was devised to solve the above problems, in the state in which the hydraulic generator (hydraulic system) of the hydraulic actuator, which is a core device of the power generation equipment, is stopped, pre-failure diagnosis and performance inspection before separating the hydraulic actuator from the turbine hydraulic system.
  • the purpose of the present invention is to provide a portable tester for a hydraulic system servo system of a turbine steam valve which can determine the maintenance of the hydraulic actuator by using a mobile hydraulic generator for the purpose of improving the reliability of the hydraulic actuator and ensuring the quality of maintenance after maintenance. .
  • a mobile tester for a hydraulic actuator servo system of the turbine steam valve for determining the quality of the hydraulic actuator and valves installed in the turbine power generation facility, the tester main body;
  • a hydraulic pump for supplying test oil to the valves and hydraulic generating means having a hydraulic hose reel connected to the hydraulic pump to supply hydraulic pressure to the valves and the length of which is adjustable;
  • Moving means installed at a lower portion of the tester main body to freely move the tester main body;
  • a test apparatus driving panel installed in the tester main body and provided with an operation switch for driving a tester;
  • a test physical quantity display panel disposed in proximity to the test apparatus driving panel and displaying a test physical quantity;
  • a control instrumentation box electrically connected to the test device driving panel and the test physical quantity display panel to data and display information of each test object, and providing a mobile tester for the hydraulic actuator servo system of the turbine steam valve.
  • It is installed on the top of the tester body and may further comprise a simulation servo cylinder for the simulation of the hydraulic actuator of the turbine steam side.
  • the simulated servo cylinder can be driven in a single acting cylinder manner.
  • the table may be installed to be foldable from the side of the main body of the tester, and may further include a table installed through a cylinder supported on one side of the main body of the tester. have.
  • the test physical quantity display panel may include a main flow rate indicator of the test oil, a servovalve leakage flow rate indicator, and a test pressure indicator, and these indicators may be illustrated by a driving circuit and displayed on the front of the panel.
  • the tester main body may be provided with a cover for protecting the test physical quantity display panel and preventing scattering of the test oil, and a display panel for displaying the device circuit inside the tester.
  • the display panel may include a display panel made of a transparent material on which a device circuit is printed and an LED module installed inside the display panel to irradiate light to the display panel under control of a PCB.
  • the main body of the tester is provided with a main power connection for controlling the on / off, the main power connection is provided with a plurality of power supply, the exposed surface of the power supply is provided with a protective cover for preventing the reverse rotation of the motor and electric shock of the operator Can be.
  • the present invention even when the hydraulic system of the hydraulic actuator is stopped during regular maintenance or inspection of the power plant, a test and inspection is possible even when the hydraulic actuator of the turbine steam valve is attached to the power generation system through a mobile tester and a valve for driving the hydraulic actuator. Tests and checks on the flow rate (servo valves, shut-off valves, dump valves, etc.) are available. Accordingly, it is possible to remedy the inefficient conventional problems caused by separating the valves from the facility for inspection, which can shorten the maintenance time and reduce unnecessary costs, and precise testing of the hydraulic actuator of the turbine steam valve. After the performance check and maintenance, the maintenance quality can be improved to improve the reliability of maintenance and the operation efficiency of the power plant.
  • FIG. 1 is a system diagram of a conventional nuclear power plant
  • FIG. 2 is a hydraulic system configuration diagram showing a hydraulic system applied to a conventional nuclear power generation system
  • Figure 3a is a block diagram showing a front view of a mobile tester for the hydraulic actuator servo system of the turbine steam side according to an embodiment of the present invention
  • Figure 3b is a block diagram showing a side view of a mobile tester for the hydraulic actuator servo system of the turbine steam side according to an embodiment of the present invention
  • 3C is a block diagram showing a plan view of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention
  • 3D is an internal configuration diagram showing an interior of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention
  • FIG. 4 is a block diagram showing the configuration of a single-piece testing device on the upper part of a main body of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention
  • FIG. 5 is a configuration diagram showing a test physical quantity display panel of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention
  • FIG. 6 is a block diagram showing a tester operation operation panel of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention
  • FIG. 7 is a configuration diagram showing the configuration of a hydraulic actuator simulation servo cylinder for the hydraulic actuator simulation test of the mobile tester for the hydraulic actuator servo system of the turbine steam side according to an embodiment of the present invention
  • FIG. 8 is a control block diagram of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention
  • FIG. 9 is a configuration diagram showing the configuration of a hydraulic actuator according to an embodiment of the present invention.
  • 10a and 10b is an exemplary view for explaining the operating state of the hydraulic actuator according to an embodiment of the present invention
  • 11a and 11b is an exemplary view showing the hydraulic actuator internal cross-sectional configuration and the cross section of the valve used and the operating state of the valve according to an embodiment of the present invention
  • 12A and 12B are exemplary views showing a hydraulic actuator internal cross-sectional configuration according to an embodiment of the present invention and a hydraulic circuit in a test state using the mobile test apparatus of the present invention;
  • Figure 13a is an exemplary view showing a hydraulic circuit for the hydraulic actuator internal leakage test using the hydraulic actuator internal cross-sectional configuration and the mobile test device according to an embodiment of the present invention
  • FIG. 13B is an exemplary view showing a hydraulic circuit configuration of a hydraulic test apparatus according to an embodiment of the present invention.
  • FIG. 14 is a state diagram showing the internal leakage test of the shutoff valve according to an embodiment of the present invention.
  • FIG. 15 is a front view of (a) and a side view of (b) illustrating a safety device of a main power connection of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention.
  • 16 is a block diagram showing an LED lighting implementation of the system circuit diagram according to an embodiment of the present invention.
  • 3A to 3D are diagrams illustrating the configuration of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention.
  • the mobile tester of the present invention passes the hydraulic energy generated by the hydraulic pump 31 of the hydraulic generator 30 installed at the bottom through the hydraulic hose reels 33a and 33b through the directional solenoid valve 32 (not shown).
  • the test and inspection can be carried out while the hydraulic actuator of the turbine steam side is attached to the power generation facility.
  • the lower part of the tester main body 45 is provided with a movable wheel 34 which is easy to move
  • the upper part of the tester main body 45 is provided with a test device driving panel having an operation switch for driving the tester ( 35), a test physical quantity display panel 36 for displaying a test physical quantity, and a servo simulation cylinder 37 for a hydraulic actuator simulation test are provided at the upper end of the tester main body 45, respectively.
  • the right side of the tester main body 45 is provided with a folding table 38, the folding table 38 is supported by the shock absorber 39 (pneumatic cylinder).
  • the folding table 38 is provided with a control measuring box 40 for test progress and data measurement.
  • a portable computer 44 is mounted on the control measuring box 40 to test the portable computer 44.
  • the display unit 41 displays the test state and the test graph.
  • control measurement box 40 is configured as a hard case for easy movement after the test, and can be moved to an adjacent space (office) after the test, so that the test analysis and test data can be output.
  • the folding table 38 has the advantage that can be stored in the folded state on the side of the tester body 45 by pulling the handle 42 when the test is stored.
  • a cover 43 made of transparent reinforced acrylic material may be installed to prevent scattering of the test fluid during the test. Specifically, the cover 43 may be installed to be opened and closed to the upper end of the tester body 45.
  • Figure 4 is a block diagram showing the configuration of a single-piece test device unit on the upper part of the main body of the mobile tester for a hydraulic servo system according to an embodiment of the present invention.
  • the mobile tester of the present invention has the following configuration so that single test (valve single test) of the servo valve 22 (see FIG. 2), the main hydraulic supply shutoff valve 11, and the like can be performed.
  • the driving servo valve 22 is removed by attaching the driving servo valve 22 of the hydraulic actuator system 10 of the turbine steam side to the test block 50 of the driving servo valve 22 of the hydraulic actuator 20.
  • Function and performance may be represented by the portable computer 44.
  • the main hydraulic supply shutoff valve 11 may be attached to the test block 51 for testing to perform an internal leakage test.
  • FIG. 5 is a block diagram showing a test physical quantity display panel of a mobile tester for a hydraulic servo system according to an embodiment of the present invention.
  • the configuration of the test physical quantity display panel 36 includes a main flow rate indicator 60, a hydraulic actuator indicator (not shown), a leak flow rate indicator 61 of the servovalve, and test pressure indicators 62a, 62b, 62c, and 62d.
  • the lamp is installed on the front of the panel.
  • the test physical quantity display panel 36 displays the physical quantity of the tester on the panel so that the user can easily grasp the test physical quantity of each component.
  • FIG. 6 is a block diagram showing a tester operation operation panel of a mobile tester for a hydraulic servo system according to an embodiment of the present invention.
  • the test device drive panel 35 includes an emergency stop button 70, an automatic and manual changeover switch 71, a main pressure indicator 72, an operating temperature indicator 73, an operation button 74, and a warning. It consists of a display lamp 75. Accordingly, the operator can easily control the device through the test device drive panel 35.
  • FIG. 7 is a configuration diagram showing the configuration of a simulated servo cylinder for a simulation test of the hydraulic actuator of the mobile actuator for the hydraulic actuator servo system of the turbine steam side according to an embodiment of the present invention.
  • Simulated servo cylinder 37 of the hydraulic actuator simulated similarly to the hydraulic actuator of the power plant, driven in a single-acting cylinder manner and can be returned back by the force of the spring 80 in the operated state.
  • a servo valve may be mounted on the servo valve test block 50, and the test block 50 and the simulated servo cylinder 37 may be connected to the test device port 81 by piping to perform a simulation test.
  • the spring 80 loads the simulated servo cylinder in the simulated servo cylinder 37 in the same manner as the hydraulic actuator of the power plant system, and the position sensor 82 is mounted for the position control test of the servo valve.
  • FIG. 8 is a control block diagram of a hydraulic actuator and a mobile tester for a hydraulic servo system according to an embodiment of the present invention.
  • control measurement box 40 of the mobile tester In the control measurement box 40 of the mobile tester according to an embodiment of the present invention, various sensor amplifiers 96 and a portable computer 44 are installed on the upper side, and the portable computer 44 and the control PLC 95 are connected to Ethernet ( Information exchange can be achieved through Ethernet communication.
  • FIG. 9 is an exemplary view showing a configuration of a hydraulic actuator according to an embodiment of the present invention
  • Figure 10a is an exemplary view for explaining the internal cross section and the hydraulic circuit of the hydraulic actuator according to an embodiment of the present invention
  • Figure 10b is Exemplary diagrams showing an internal cross section of the hydraulic actuator and the emergency stop solenoid valve according to an embodiment of the present invention are excited.
  • the main hydraulic signal line 15 and the emergency stop hydraulic signal line 12 are connected to each other. Accordingly, when the emergency stop solenoid valve 19 is excited while the hydraulic pressure is supplied to the main hydraulic signal line 15 and the emergency stop hydraulic signal line 12, the main hydraulic supply shutoff valve 11 is opened, and the driving servo valve is opened.
  • the piston 90 of the hydraulic actuator 20 moves by being applied to 22 to operate the servovalve.
  • the opening degree of the turbine steam valve connected to the other end of the hydraulic actuator 20 is adjusted or blocked.
  • the amount of steam is adjusted or blocked.
  • Figure 11a is an exemplary view showing a cross-sectional view of the hydraulic actuator internal cross-sectional configuration and the valve used in accordance with an embodiment of the present invention
  • Figure 11b is a valve used in the turbine hydraulic actuator internal cross-sectional configuration according to an embodiment of the present invention
  • 12 is an exemplary view showing a test hydraulic circuit using an internal cross-sectional configuration of a hydraulic actuator and a mobile test apparatus of the present invention, in which a cross section of the display and an operation state of a valve are displayed.
  • 12B is an exemplary view showing a hydraulic circuit in a cross section configuration of the hydraulic actuator according to an embodiment of the present invention and a test state using the mobile test apparatus of the present invention.
  • the mobile tester of the present invention can be equipped with a test block 101 for the emergency stop solenoid valve and a test block 102 for the shutoff valve between the hydraulic actuator and the valve, so that the emergency stop hydraulic signal line 12 and Shut off the main hydraulic signal line 15 and connect the other ends of the hydraulic hose reels 33a, 33b (FIG. 13B) with the test lines 104, 105 to operate the hydraulic actuator with the hydraulic actuator attached to the power plant system. You can test and check.
  • this signal hydraulic pressure opens the main hydraulic supply shutoff valve 11, and the test hydraulic pressure is transmitted to the driving servo valve 22 and tested.
  • the hydraulic actuator By driving the driving servo valve 22 in the control box of the apparatus, the hydraulic actuator can be checked and tested with the hydraulic actuator attached to the power generation system via the hydraulic pressure transmitted from the test apparatus.
  • the measured test data may be automatically stored in the portable computer 44.
  • the emergency stop solenoid valve 19 is excited to form a pressure in the quick exhaust device chamber 106 of the actuator, and then the shutoff valve 103.
  • the internal leakage of the rapid drainage device 21 can be tested by the amount of pressure drop of the pressure gauge 107 after a predetermined time elapses.
  • Figure 13a is an exemplary view showing a hydraulic circuit for the hydraulic actuator internal cross-sectional configuration and the hydraulic actuator internal leakage test using a mobile test device according to an embodiment of the present invention
  • Figure 13b is a hydraulic test according to an embodiment of the present invention Exemplary diagram showing the hydraulic circuit configuration of the device
  • Figure 14 is a state diagram showing the internal leakage test of the shut-off valve according to an embodiment of the present invention.
  • the internal leakage test block 111 of the hydraulic actuator is attached to the attachment surface of the servo valve 22, and the test hydraulic signal line 112 is connected to the test apparatus.
  • the flow rate of the leak flowmeter 110 is read after stopping at a certain point. This leakage flow rate can be automatically stored in the test rig portable computer 44.
  • shut-off valves (121, 122) are cut off, and after a certain period of time, it is determined whether the leakage is measured by the pressure drop measured at the pressure measuring ports (120, 121), and the measurement data at this time May be automatically stored on the computer 44.
  • FIG. 15 is a front view of (a) and a side view of (b) illustrating a safety device of a main power connection of a mobile tester for a hydraulic actuator servo system of a turbine steam valve according to an embodiment of the present invention, and FIG. A schematic diagram showing an LED lighting implementation of a system circuit schematic diagram according to an embodiment is shown.
  • the mobile tester of the present invention may include a main power connection part 200 for turning on / off the power of the apparatus in the tester main body 45.
  • the tester main body 45 is provided with a closing plate 205
  • the main power switch 202 is provided at the top
  • the first power source portion 200a and the second power source portion 200b are formed, respectively.
  • the first power supply unit 200a and the second power supply unit 200b are electrically connected to each other.
  • a protective cover (not given a drawing number) may be mounted on the first power supply 200a and the second power supply 200b to prevent an electric shock accident due to inadvertence, and the operator may contact the first power supply 200a and the main power supply 1. If the direction of rotation of the motor is reversed after connecting the electric plug, connect the electric plug to the second power supply 200b, the main power supply 2, cut off the electric breaker of the power supply, and then connect the electric cable connection terminal (3-phase, RST). You can change the direction of rotation of the motor by simply replacing the electric plug without the hassle of changing.
  • a display panel for displaying the device circuits P1 and P2 inside the tester may be installed in the cover 43 (see FIG. 3B) of the mobile test apparatus of the present invention.
  • the display panel is installed in the display panel 300 of the transparent material on which the device circuits P1 and P2 are printed and is installed inside the display panel 300 to irradiate light to the display panel 300 under the control of the PCB 500.
  • LED module 350 may be configured.
  • the visibility of the display panel can be improved so that an operator can easily check the circuit system of the tester.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Turbines (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Details Of Valves (AREA)

Abstract

La présente invention a trait à un testeur qui inclut : un actionneur hydraulique (cylindre) permettant de régler le degré d'ouverture d'une soupape de turbine à vapeur ou permettant d'ouvrir/de fermer la soupape de turbine à vapeur ; et des dispositifs de soupape qui incluent un servo-distributeur hydraulique permettant de commander l'actionneur hydraulique. En particulier, la présente invention a trait à un testeur portatif destiné à un système d'asservissement commandant un actionneur hydraulique pour une soupape de turbine à vapeur, lequel testeur portatif détecte un défaut dans l'actionneur hydraulique ou évalue la performance de ce dernier avant que l'actionneur hydraulique ne soit retiré du système hydraulique d'une turbine, ce qui permet de la sorte de procéder à la remise en état et au fonctionnement du système hydraulique d'une turbine sans arrêter le système hydraulique et l'alimentation hydraulique au cours de la remise en état d'une centrale électrique. Selon la présente invention, le testeur portatif destiné à un système d'asservissement commandant un actionneur hydraulique pour une soupape de turbine à vapeur d'une centrale électrique utilisant une turbine détecte un défaut dans l'actionneur hydraulique et les soupapes.
PCT/KR2011/007478 2010-10-20 2011-10-10 Testeur portatif destiné à un système d'asservissement commandant un actionneur hydraulique pour une soupape de turbine à vapeur WO2012053759A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013534799A JP2014500423A (ja) 2010-10-20 2011-10-10 タービン蒸気弁の油圧作動機サーボシステム用移動式試験機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0102388 2010-10-20
KR1020100102388A KR101053642B1 (ko) 2010-10-20 2010-10-20 터빈 증기 변의 유압 작동기 서보 시스템용 이동식 시험기

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WO2012053759A2 true WO2012053759A2 (fr) 2012-04-26
WO2012053759A3 WO2012053759A3 (fr) 2012-06-14
WO2012053759A9 WO2012053759A9 (fr) 2012-08-02

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KR (1) KR101053642B1 (fr)
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KR101171297B1 (ko) 2011-12-21 2012-08-06 서호덕 가버너 스프링 시험기
KR101366841B1 (ko) 2012-09-28 2014-02-25 서호덕 증기터빈 유압실린더의 교축밸브 시험장치
KR101395931B1 (ko) 2013-06-28 2014-05-16 윤계천 터빈 증기변의 유압작동기용 시험블럭
CN105115704A (zh) * 2014-11-19 2015-12-02 芜湖蓝宙电子科技有限公司 一种液压阀性能测试实验台
CN104568425B (zh) * 2015-02-10 2017-05-17 杭州电子科技大学 一种汽轮机调节阀阀杆性能试验装置
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