Product

WOODWARD EGCP-3 8406-113<

WOODWARD EGCP-3 8406-113

Mobile/WeChat:19129224926

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Condition: Brand new original


  • brand:

    WOODWARD
  • model:

    8406-113
  • Warehouse:

    In stock
  • Warranty:

    365 days
  • Delivery time:

    Within 3 days after payment
Product details

The Woodward 505 series governor is an electronic speed control system based on microprocessors designed and produced by Woodward Corporation in the United States. It is widely used in speed control of equipment such as steam turbines and turbo compressors. The following is a detailed introduction to the Woodward 505 series speed controllers:


1、 Product Overview


Brand and place of origin: Woodward Corporation, USA, place of origin in the United States.


Product type: Electronic governor, suitable for steam turbines with single or dual actuators.


Application areas: Widely used for engine control in aviation industry, transportation, power generation, industrial production and other fields.


2、 Main features


High control accuracy: The Woodward 505 series governor adopts microprocessor control, which has higher control accuracy than traditional hydraulic systems and significantly improves automation level.


Programmable: It is a field programmable regulator that can be easily programmed and configured according to different application conditions, achieving multiple speed control schemes.


Multifunctionality: In addition to basic speed control functions, it also has functions such as load control, extraction heat load control, overspeed protection, unit start-up, and self-protection interlocking.


Easy to operate: The control panel is integrated with two rows of displays and 30 control keys, making it easy to operate.


Strong communication capability: Through two MODBUS communication ports, it can directly communicate with DCS systems and other control devices, supporting communication protocols such as RS-232, RS-422, RS-485, etc.


3、 Working principle


The Woodward 505 series governor consists of four parts: electronic speed control circuit, local control panel, speed magnetic detection probe, and governor electro-hydraulic control mechanism. It forms a cascade control system with the turbine load (outlet flow) regulator, with the main regulator being the turbine load (outlet flow) PID control module configured in DCS, and the auxiliary regulator being the Woodward 505 governor. The outlet flow rate of the steam turbine is used as the set value (SP) of the 505 governor. In the speed control PID module inside the 505 governor, the outlet flow rate SP is compared with the measured speed value N, resulting in a deviation. After amplification, it is used to control the electro-hydraulic control mechanism of the governor to adjust the speed, thereby achieving the regulation of the steam turbine load (outlet flow rate).


4、 Model and specifications


The Woodward 505 series speed controllers include multiple models, such as 505, 505E, 505C, 505H, etc., and different models are suitable for different application scenarios and control requirements. Taking the 9907-164 model as an example, its external dimensions are 14W x 11H x 4D (inches), and its operating temperature range is -4 to+140 degrees Fahrenheit (approximately -20 to+60 degrees Celsius). It has features such as an overspeed test button, humidity standards, and multiple input voltage options.


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