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The 9907-018 belongs to the Woodward 2301A series.It is an analog electronic control unit specifically designed for generator sets, integrating core functions such as speed control and automatic load sharing. It is typically installed in a control cabinet and is responsible for precisely managing the operation of diesel engines, gas engines, or steam turbines.
Precision Speed Control
Dual Operating Modes
Actuator Driving & Limiting
2301A Dual Fuel Controls include a start fuel limit which allows limiting the fuel setting during start up. The start fuel limit feature may be disabled by a switch at the terminal block. Start Fuel Limit Disable is especially desirable for use with reverse acting controls.Start-fuel limit should be disabled after start up when used with reverse-acting controls. With loss of speed signal, the reverse acting control will position the actuator at the start-fuel level if the failed-speed-signal override is activated.Reverse-acting systems normally require the control to demand full fuel on loss of speed signal to allow the mechanical backup governor to control the system.The Start Fuel Limit can be deactivated by an auxiliary generator breaker contact which will short terminal31 to terminal 32. This CLOSETO DISABLE STAR7 FUEL LIMlT contact will disable the start fuel limit after the prime mover has been started and the generator breaker closed.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
WOODWARD 9907-018 Load Sharing and Speed Control Models Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Power & Utilities
Managing the parallel operation of multiple generator sets in power stations to ensure grid frequency stability.
Marine & Offshore
Controlling the speed of main marine generators and balancing the load of multiple auxiliary engines during power fluctuations.
Oil & Gas
Controlling gas turbines driving drilling equipment or compressors to maintain precise speed regulation.
Chemical Processing
Controlling the speed of steam turbines driving pumps or blowers to prevent process interruptions caused by speed fluctuations.
Railway & Transportation
Used for speed management of locomotive diesel engines to optimize traction power output.
Pulp & Paper
Managing the load of steam turbine generators in waste heat recovery systems to improve energy efficiency.
When using the 9907-018, ensure the input power remains stable within the 10-40 VDC range and use shielded cables for the Magnetic Pickup (MPU) to prevent speed fluctuations caused by EMI. As an analog controller, you must precisely adjust the Gain and Reset potentiometers to eliminate oscillations; furthermore, when operating in parallel, strictly verify the polarity of the Load Sharing Lines and ensure that the droop percentage or isochronous settings are identical across all units.
The 9907-018 is a 2301A series speed control manufactured by Woodward, specifically designed for load sharing and speed control of generator sets.
What is the primary function of the 9907-018?
It is primarily used to control the speed of diesel or gas engines and balance the load between multiple generators when they are operating in parallel.
Is the 9907-018 a forward or reverse-acting control?
The 9907-018 is typically configured as a forward-acting control.
How is the 9907-018 installed?
It is designed for panel mounting and should be installed inside a control cabinet, away from areas of extreme heat and heavy vibration.
hat type of actuators does 9907-018 support?
It supports standard Woodward electromagnetic actuators, with an output current signal typically ranging from 0-200 mA.
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