WOODWARD 9907-167 System module
Woodward has more than 130 years of experience in the design and manufacture of engine controllers, which are widely used in aviation, industrial engines, turbines, and power generation control. Woodward WOODWARD PG-PL governor is widely used in speed control, drive pump and compressor of various types of diesel engines, gas engines and steam turbines.
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, Rockwell EMERSON, MOTOROLA, FUANC
REXROTH、KUKA、HONEYWELL、NI、 、Yokogawa、 WOODWARD WOODWARD、Ryan、 SCHNEIDER SCHNEIDER、Yaskawa、 M0OG、
EPRO, PROSOFT and other major brands
The 9907-167 unit is a part of Woodward 505E series digital control equipment. These devices are part of the 505E series produced by Woodward. It is one of the oldest independent turbine control system manufacturers in the United States. The 505E series is designed for industrial scale steam turbines, small turbine generators or utility turbine expander models. The 505E pipeline is generally designed for single extraction and/or admission of steam turbine. It operates the turbine by using a pair of actuators to drive the inlet valve.
“PLC is an electronic device specially designed for digital operation in industrial environment. It uses programmable memory to store instructions of logic operation, sequential operation, timing, counting and arithmetic operation, and can control various types of machinery or production processes through digital or analog input and output. PLC and its related peripheral equipment should be designed according to the principle of easy connection with industrial control system and easy expansion of its functions.” 3 The hydraulic decoking electrical control system is composed of the high pressure pump room electrical control cabinet, the tower top positive pressure explosion-proof operation panel and the tower bottom contact switch box. 4. Control flow chart and working principle of hydraulic decoking electrical control system
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