9907-1228 Woodward Hydraulic Converter

Woodward WOODWARD Controller 9907-1228 Tianjin Agent Woodward WOODWARD Current Pressure Converter (CPC) is designed to control steam valves, fuel valves, and/or corresponding servo mechanisms. It linearly and proportionally converts 4-20mA control signals into oil pressure outputs. CPC can be matched with many electronic control devices, such as WOODWARD MicroNet or 505 series controllers. It is suitable for pressure type servo systems or single acting power cylinders. CPC is also applicable to old machine renovation projects.
Woodward TG-13 and TG-17 are mechanical hydraulic differential governors used to control steam turbines – places that do not require synchronous (constant speed) operation. The rotation angle of the output shaft of TG-13 and TG-17 governors is 40 °. The recommended angular travel from no-load to full load is 2/3 of the governor’s full travel. The WOODWARD TG-13E and TG-17E electro-hydraulic actuators are equipped with independent oil sources, suitable for steam turbines that require differential speed regulation, load distribution, or other functions, and are compatible with all WOODWARD electronic controllers and accessories.
Woodward WOODWARD Servo Position Controller (SPC) is a servo valve driver that receives DeviceNet or 4-20mA position command signals from the system controller and can position proportional or integral servo valves. SPC can meet the control accuracy, responsiveness, and redundancy requirements of fuel control valves for steam or gas turbines. An electro-hydraulic converter can convert low-power electrical signals into high-power hydraulic energy (flow and pressure) or displacement output. In the electro-hydraulic servo system, the electrical part is connected to the hydraulic part to achieve the conversion and amplification of electro-hydraulic signals. The electro-hydraulic converter is the core component of the electro-hydraulic servo system, and its performance directly affects the stability, control accuracy, and response characteristics of the entire system; It also directly affects the reliability and service life of the system.
The electro-hydraulic converter consists of two main parts: one is the electrical displacement conversion part; The other part is the hydraulic amplification section. The electrical displacement conversion part is a set of coils placed in the magnetic circuit air gap composed of magnetic steel, iron core, etc. The coil is balanced in the middle position by a spring. This set of coils usually consists of three, two of which are working coils. When the unit speed is rated, equal and opposite currents flow through these two working coils, and the coils are in a relatively balanced position in the magnetic field. When the unit speed changes, the comprehensive electrical signal output by the electrical cabinet will cause a difference in the electricity in the coils. Therefore, the magnetic field produces a force along the axis direction on the coils, and the direction of the force is determined by the direction of the differential current. When the coil is subjected to force and moves in the axial direction, it drives the control sleeve connected to the coil to move in the axial direction. The third coil is a vibration coil, and the input power frequency current causes the control sleeve to generate a vibration with a frequency of 50I Iz and an amplitude of about ± 0.02mm. This can reduce the friction between the control sleeve and the piston rod and avoid the jamming of the electro-hydraulic converter. WOODWARD Controller P/N: 9907-164 REV: TS/N：17717466
WOODWARD Synchronous Relay SPM-1010B/X S/N: 183631312 1209
WOODWARD Electro Hydraulic Converter P/N: 9907-1228 S/N: 19184385
WOODWARD Multi functional Module Analog Combo Module TMR: 5466-253
WOODWARD Governor P/N: 9907-164
WOODWARD overspeed protector 9907-1183
WOODWARD Valve Part No: 8516-038 SN: 13594539
WOODWARD Motor 5484-803
WOODWARD Governor P/N: 9907-164
WOODWARD Programmable Instruction Controller GOVERNOR-505 P/N: 9907-162
WOODWARD CPC-II Electro Hydraulic Converter P/N 9907-1106
WOODWARD Single Circuit Breaker Synchronizer SPM-D1010B/X 24VDC
WOODWARD Controller 9907-165 220V
WOODWARD Governor 9907-167
WOODWARD Controller 9907-164 24V

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