LVDT Position Sensor HL-6-50-15 for Barsingsar power
Date:2025/3/25 8:53:35 Visits: Author:Dongfang YOYIK Engineering Co; Ltd,LVDT position sensor HL-6-50-15 is a linear displacement sensor, which plays a key role in the turbine control system. It is mainly used to accurately measure the displacement of each steam inlet valve of the turbine, and provide accurate valve position feedback signals for DEH (digital electro-hydraulic control system), so as to achieve precise control of the steam inlet of the turbine and ensure the stable operation and load regulation of the turbine.
Working principle
LVDT position sensor HL-6-50-15 consists of a primary coil, two secondary coils and a movable iron core. When AC current passes through the primary coil, an induced voltage is generated in the secondary coil. The iron core is connected to the connecting rod of the turbine valve, and the displacement of the valve drives the iron core to move in the two secondary coils. Since the position change of the iron core will change the distribution of the magnetic field, it will affect the induced voltage in the two secondary coils. The two secondary coils are connected in series, and their output voltage is the difference between the voltages of the two. This differential voltage is linearly related to the displacement of the iron core. By detecting the voltage change, the position change of the valve can be accurately known.
Performance characteristics
1. High-precision measurement: It can accurately measure tiny displacement changes, provide reliable data support for the precise control of the turbine valve, and meet the requirements of the turbine for precise regulation of the steam inlet.
2. High linearity: There is a good linear relationship between the output signal and the core displacement, which can achieve a nearly ideal linear output, making it easy for the control system to accurately judge and control the valve position.
3. Good anti-interference ability: It adopts the principle of electromagnetic induction. Compared with other types of sensors, it has stronger resistance to external interference such as electromagnetic interference, dust, oil, etc., and can work stably in a complex turbine working environment.
4. Non-contact measurement: There is no direct contact between the core and the coil, which reduces mechanical wear, so it has a longer service life and lower maintenance costs.
5. Wide measurement range: It can measure displacement within a certain range. The specific measurement range of HL-6-50-15 depends on its model specifications, and generally meets the displacement measurement requirements of the turbine valve.
Application in steam turbines
-Valve position control: connected to the steam inlet regulating valve connecting rod of the steam turbine, monitors the opening position of the regulating valve in real time, and converts the displacement signal into an electrical signal to feed back to the DEH system. The DEH system compares and calculates the actual valve position feedback signal according to the set load requirements, and then controls the opening of the regulating valve, accurately adjusts the amount of steam entering the steam turbine, and realizes the control of the turbine speed and load.
-Valve position display: The position information of the regulating valve is transmitted to the operator screen in the control room in the form of an electrical signal, so that the operator can intuitively understand the real-time status of the regulating valve, which is convenient for monitoring and operating the operation of the steam turbine.
Yoyik can offer many spare parts for power plants as below:
#DF-LVDT Position Sensor HL-6-50-15-DF
rpm meter gauge WZ-1D
sensor lvdt TDZ-1E-45
displacement sensor B151.36.09.04-003
Magnetic Proximity Sensors CS_1 G-110-03-00
thermowell flange WREKD2-04
element heating ZJ-20-T7
shaft rotation sensor CS-3
k type thermocouple TE-402
Adjustable Bimetal Thermometer WSS-481 0~100℃
1100 degree celsius temperature gauge WTYY-1021
lvdt transducer TD-1 80S
steam turbine bolt heater ZJ-20-1
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lvdt full form 191.36.09.01
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liquid level switches CREMER CEL-3593F/G
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ceramic thermocouple TE-206
sensor de lvdt B151.36.09.04-008
rtd thermocouple WRN-330
linear variable displacement transducer 3000TD-E
LVDT Displacement Transducer Sensors 4000TDE
turbine speed sensor NE3971-31-90-08-02-00
lvdt transducer TDZ-1-100
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temperature probe sensor WZP2-6520NMF
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linear displacement sensor LVDT-100-6
lvdt displacement transducer TDZ-1-33
lvdt sensor TDZ-1E-22
speedometer display DM-11B
LVDT Position Sensor HL-6-50-15
liquid level measurement BNA15/16-M563
Type K Thermocouple Cartridge WRNK2-332
LVDT Measurement 1000TDGN
electric cooking heating element HY-GYY-2.4-380V/3
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inductive displacement sensor TDZ-1-35
full form of lvdt TD-1-150
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3 Wire RTD Sensor WZPK2-338
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wzp pt100 WZPK 230
lvdt displacement sensor inductive sensor 191.36.09.09(1)
pt100 rtd WZPK2-230
speed sensor cost MP988
linear displacement sensor 191.36.09.09(1)
electric tachometer DF9011 0-3300RPM
lvdt sensor LVDT-1000-6
speed sensor location CS-1-D-075-02-01
temperature sensor pt100 WZP2-230NM
lvdt displacement sensor inductive sensor A156.33.31.26
thermocouple wire type k WRN2-239
steam turbine bolt heater ZJ-17-T8
lvdt position sensor A156.33.42.04
Positioner V18345-1010121001 TZIDC
platinum rhodium thermocouple wire TE-211
thermal resistance tester WZPM2-001(Pt100)
Cable Type RTD Sensor WZPK-160 L=320mm
linear displacement transducer ZD-4000TDA
thermocouple machine WRNN2-4325
Platinum Thermocouple Wire WRNK-322
lvdt working principle 191.36.09.03(1)
steam turbine bolt heater ZJ-20-T1A
cable pt100 WZPK2-213
rotation sensor ZS-04 G-075-03-01
sensor speed SZCB-01-B01
LVDT Position Sensor HL-6-50-15
DFYL-2025-3-25-ZYR