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  • How Does the Servo Valve J761-003 Control Turbine Actuators

    The steam turbine actuator is generally a continuous control type, consisting of servo valves, shut-off valves, unloading valves, trip solenoid valves, one-way valves, and pressure measuring joints on the DEH control block. The electrohydraulic servo valve J761-003 is the core component of the ac...
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  • Maintenance of Stainless Steel Globe Valve SHV9.6

    The stainless steel shut-off valve SHV9.6 is a valve used to control fluid flow, made of stainless steel material, which has good corrosion resistance and wear resistance. In order to ensure the normal operation of the valve and extend its service life, regular maintenance is necessary. The foll...
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  • Importance of Relief Valve 3.5A25 for Hydrogen Supply Device

    The hydrogen supply device is a hydrogen cooled steam turbine generator that requires the establishment of a dedicated gas supply system. Due to the unique nature of hydrogen, special attention needs to be paid to pressure and flow during its storage and transportation, otherwise it can easily ca...
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  • Possible Causes of Low Pressure of KZ/100WS Vacuum Pump

    The vacuum pump KZ/100WS plays an important role in the sealing oil of the generator. If the pressure is low during operation, it will seriously affect the operation of the unit. Let’s analyze what factors can cause low vacuum pump pressure. 1. Leakage problem: When leakage occurs in the v...
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  • Introducing the Components of Centrifugal Pump YCZ50-250A

    The centrifugal pump YCZ50-250A is used for water circulation in the cooling water system of the generator stator. It works by using the rotation of the impeller to cause centrifugal movement of water. The basic structure of YCZ50-250A centrifugal pump is composed of impeller, pump body, pump sha...
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  • Can Six-Wire LVDT Sensor HL-6-200-15 Replaced By Three-Wire LVDT?

    The HL type displacement sensor has two types of leads, six wire and three wire. Users can choose which type of lead to use according to the requirements of the control system design. Of course, the wiring method can be changed. Take the LVDT sensor HL-6-200-15 as example, which is a six wire ty...
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  • Introducing Structure of LVDT Position Sensor C9231124

    The structure of LVDT position sensor C9231124 is divided into the following parts: shell, inner tube, coil, front and rear end covers, circuit board, shielding layer, outgoing line, etc. The shell of displacement sensor C9231124 is made of stainless steel, which can shield against electromagnet...
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  • A Featured Type of Power Transformer: DFFG-10KVA

    The power transformer DFFG-10KVA is an energy-saving product with broad application prospects in power systems. It has the advantages of lower load loss, lower no-load loss, lower no-load current, low noise, and less high-order harmonic content. Adopting a special structure and optimizing the ove...
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  • Application Advantage of HTD-400-3 LVDT Position Sensor

    The position of the opening of each main steam valve, main regulating valve, and other valves in the steam turbine unit needs to be fed back to the control system in real time, in order to achieve automatic control and regulation of the steam turbine. The commonly used displacement sensors for va...
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  • Significance of Boiler Gap Measuring Device Power Supply GJCD-16

    The problem of air preheater leakage has always been one of the main factors that troubles the normal operation of power plants and reduces efficiency. Yoyik provides a dedicated power supply for gap control systems, the GJCD-16 model. It adopts a high-performance PLC combined with an industrial ...
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  • Significance of HTD-400-6 Actuator Displacement Sensor for Steam Turbine

    The stroke of the actuator represents the displacement generated by the piston of the actuator from fully open to fully closed in the oil cylinder. One of the main purposes of displacement sensor HTD-400-6 is to measure the stroke of turbine oil motor, which is an important part of the electro-hy...
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  • How Does LVDT Sensor HL-3-300-15 Control Valve Opening?

    The HL-3-300-15 LVDT position sensor for steam turbine is used in the DEH control system, mainly for stable and fast control of the actuator or valve opening. Yoyik introduces how the DEH system utilizes the LVDT displacement sensors to achieve this goal. When the main steam valve needs to be op...
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