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WOODWARD 9907-149 DC motor governor

WOODWARD 9907-149 DC motor governor

The WOODWARD 9907-149 DC motor governor is a control device manufactured by the WOODWARD Company for regulating the speed of DC motors. Here are some details about this governor:

Applications and functions:

The 9907-149 governor is one of the WOODWARD PLC series of governors and is particularly suitable for controlling steam turbines.

It can be used as a graphical interface and keyboard, allowing the operator to adjust the turbine and communicate with the turbine.

Configured via the Modbus communication port with a variety of features such as automatic start sorting (hot and cold start), temperature input options, critical speed avoidance, external alerts and trip inputs, and more.

Three normal operation modes are available: Configuration, operation, and calibration modes.

Includes two redundant speed inputs that can accept magnetic pickup units, eddy current probes, or proximity probes.

How it works:

Dc governor is a device that adjusts the speed of DC motor. The upper end is connected to the AC power supply, and the lower end is connected to the DC motor.

The DC governor converts alternating current into two output DC power supplies, one input to the excitation (stator) of the DC motor, and the other input to the armature (rotor) of the DC motor.

The speed of DC motor is adjusted by controlling the armature DC voltage. At the same time, the DC motor gives the governor a feedback current, and the governor judges the speed of the DC motor according to the feedback current, and corrects the armature voltage output if necessary, so as to adjust the speed of the motor again.

Technical specifications:

Input current: 500mA

Output voltage: 24VDC

Output power: 360W

Input voltage range: 85~264VAC

Product size: 115mm x 48mm x 150mm

Product weight: about 1.2kg

Maximum output current: 15A

Operating temperature range: -25~70℃

Protection class: IP30

Storage temperature range: -40 ℃ to 85℃

Output signal: programmable output

Please note that the above information is for reference only, if necessary, it is recommended to consult the official materials of WOODWARD Company or contact its technical support department for more detailed information.

WOODWARD 9907-149 DC motor governor