Description

WOODWARD 8273-140 is a high-performance digital speed control and load distribution controller,belonging to the Woodward 2301D series products.As the core control unit in the fields of power generation and mechanical drive,WOODWARD 8273-140 aims to provide precise speed and load control for diesel engines,gas engines,and other prime mover driven generator sets.It adopts advanced digital signal processing(DSP)technology to ensure high-precision control and fast response capability under various operating conditions.WOODWARD 8273-140 not only achieves precise speed regulation during single machine operation,but also has the function of automatic load distribution when multiple generator units are running in parallel,thereby optimizing system efficiency and ensuring grid stability.This controller plays a crucial role in industrial automation systems,effectively managing the power output of generator sets,optimizing energy utilization,and enhancing the overall reliability and safety of the system.

WOODWARD 8273-140

technical specifications

Product model:8273-140

Manufacturer:Woodward

Product Type:Digital Load Distribution and Speed Control Controller

Supply voltage:18-40 VDC(SELV)

Power consumption:≤20 W(rated)

Inrush current:7 A(0.1 ms,low voltage model);22 A(15 ms,high voltage model)

Magnetic sensor frequency range:100-25000 Hz(corresponding to 300-3600 RPM)

Communication interface:RS-232,RS-422/485(some models may require expansion)

Input:1x load sensor,1x MPU speed sensor,2x configurable analog input,8x digital(switch)input

Output:1x actuator driver,1x configurable analog output,4x configurable digital(relay driver)output

Working temperature:-40°C to+70°C

Storage temperature:-55°C to+85°C

Main features and advantages

WOODWARD 8273-140,as a representative of the Woodward 2301D series,provides unparalleled control capabilities and significant advantages for the operation of generator sets with its advanced design and functionality.

Accurate digital control:WOODWARD 8273-140 adopts advanced digital signal processing(DSP)technology to achieve extremely high precision control of engine speed and generator load.This ensures that the system can maintain stable operation under different working conditions,such as sudden load changes or changes in environmental conditions,minimizing frequency and voltage fluctuations and improving the quality of power output.The new PID algorithm and adaptive speed sensing filter have particularly improved the control performance for medium and low-speed engines.

Excellent load distribution capability:In scenarios where multiple generator units operate in parallel,WOODWARD 8273-140 is able to achieve precise load ratio distribution.Whether in equal time operation mode,droop mode,or reference load mode,the controller can ensure smooth transfer and balanced load sharing between each generator set,thereby avoiding single machine overload,extending equipment life,and optimizing fuel efficiency.Its soft load transfer function is particularly crucial for grid connection or disconnection operations.

Multiple protection and diagnostic functions:WOODWARD 8273-140 has multiple built-in protection functions,such as overspeed protection,overload protection,and built-in diagnostic functions,which can monitor the system status in real time and provide detailed fault information,greatly simplifying the fault diagnosis process and shortening downtime.Its adaptive speed sensing function can learn and adapt to abnormal situations such as gear teeth,torsional vibration,and low-speed ignition frequency,providing stable speed readings.

Flexible configuration and communication:WOODWARD 8273-140 has multiple configurable inputs/outputs,including analog and digital,as well as communication ports such as RS-232 and RS-422/485(depending on the specific model).This enables it to easily integrate with external computers,HMI or SCADA systems,enabling remote monitoring,parameter setting and data recording,improving the flexibility and operability of the system.The configurability of software allows for richer functionality to be achieved without adding additional hardware.

Durable industrial grade design:WOODWARD 8273-140 features a sturdy metal chassis package that can withstand harsh industrial environments,including vibration,temperature changes,and electromagnetic interference.This durability ensures the long-term reliable operation of the equipment under harsh working conditions,reducing maintenance costs and replacement frequency.

WOODWARD 8273-140

application area

The core function of WOODWARD 8273-140 is to precisely control the speed and load of the generator set,enabling it to play a critical role in various industrial scenarios that require reliable power output and efficient energy management.

Electricity generation and distributed generation:WOODWARD 8273-140 is the core component of the generator control system,widely used in diesel generator sets,gas generator sets,combined cycle power generation systems,and other industrial power generation devices.Whether as a main power source,backup power source,or for peak shaving power generation,it can ensure the stable operation of the generator set and achieve precise frequency and voltage control.In a distributed power generation system with multiple units operating in parallel,WOODWARD 8273-140 can achieve precise load distribution,optimize fuel efficiency,and ensure the stability and reliability of the power grid.

Ship and Ocean Engineering:In the fields of ship main and auxiliary power systems,offshore drilling platforms,and offshore energy stations,WOODWARD 8273-140 is used to control the speed and load of ship engines and generator sets,ensuring stable power supply for ship navigation and operations.Its reliability in harsh marine environments makes it the preferred choice for marine equipment.

Industrial Drive and Pump Station:For industrial drive applications that require precise speed control,such as large pump stations,fans,and compressors,WOODWARD 8273-140 can accurately adjust the speed of the prime mover to meet process requirements and optimize energy consumption.This is particularly important for systems that require dynamic adjustment of driving speed based on production load.

Mining and Heavy Industry:In heavy industries such as mining,steel,and cement,large equipment such as mills and crushers are usually driven by powerful prime movers.WOODWARD 8273-140 can effectively control their speed and load to meet the challenges of high-intensity,continuous operations and ensure the stable operation of production lines.

In the field of oil and gas,WOODWARD 8273-140 is used to control pumps,compressors,and generator sets in oil and gas extraction,transmission,and refining processes,ensuring their efficient and safe operation in extreme environments,such as gas turbines and internal combustion engine drive devices in remote areas.

Related products

The products related to WOODWARD 8273-140 mainly include other controllers,related communication modules,and actuators of Woodward 2301 series.

WOODWARD 2301D-EC:This is an enhanced version of the 2301D series to which WOODWARD 8273-140 belongs,which may have additional features or improvements,such as more advanced communication options or stronger processing capabilities.

WOODWARD 8273-101:This is the predecessor or early model of WOODWARD 8273-140,typically replaced by WOODWARD 8273-140.

WOODWARD 2301E:As an upgraded version of the 2301D series,the WOODWARD 2301E controller integrates more features and is compatible with load distribution control of 2301A and 2301D,providing higher flexibility and functionality.

WOODWARD actuator:WOODWARD 8273-140 typically requires various Woodward brand actuators(such as electronic or hydraulic actuators)to physically adjust the engine’s fuel supply or valve position,thereby achieving speed and load control.

WOODWARD load sensor:a sensor used to measure the actual output load of the generator set,and feedback the signal to WOODWARD 8273-140 for load distribution control.

WOODWARD MPU speed sensor:The magnetic pickup unit(MPU)speed sensor is used to detect the engine or generator speed and input the speed signal to WOODWARD 8273-140 for precise speed control.

WOODWARD software tool:a specialized configuration and debugging software tool used for parameter setting,diagnosis,and monitoring of WOODWARD 8273-140.

WOODWARD 8273-140

Installation and maintenance

Preparation before installation:Before installing WOODWARD 8273-140,detailed preparation work must be carried out to ensure safety and proper operation of the equipment.Firstly,thoroughly read the official installation and operation manual of WOODWARD 8273-140,understand all wiring diagrams,parameter settings,and safety warnings.Ensure that the installation environment meets Woodward’s specified temperature,humidity,and vibration range,and avoid direct exposure to corrosive gases or liquids.Verify whether the voltage(usually 18-40 VDC)and current capacity of the power supply meet the requirements of WOODWARD 8273-140,and ensure that the power line has overcurrent protection.Before starting any wiring work,it is necessary to cut off the power supply of all related equipment and take appropriate anti-static measures,such as wearing anti-static wristbands,to prevent damage to sensitive electronic components.Confirm that all types and specifications of connecting cables meet the requirements,such as shielded cables used to avoid electromagnetic interference.

Maintenance suggestion:Regular preventive maintenance is crucial to maximize the service life of WOODWARD 8273-140 and ensure its reliable operation.It is recommended to regularly check the tightness of all electrical connections to ensure that there are no signs of looseness,corrosion,or insulation damage.Regularly clean the exterior of WOODWARD 8273-140,removing dust and oil stains,especially the heat dissipation holes,to ensure good heat dissipation.If the controller is installed in an environment that is susceptible to vibration,the installation screws should be regularly checked for firmness.Monitor system operation logs and any malfunction indicator lights to promptly detect and resolve abnormal situations.For generator sets controlled by WOODWARD 8273-140,the speed sensor and load sensor should be calibrated regularly to ensure measurement accuracy.If module replacement is required,be sure to use original or approved spare parts and follow the manufacturer’s disassembly and installation steps.Before performing any maintenance or troubleshooting,please refer to the product manual and ensure that the system is in a safe shutdown state.

Product Guarantee

We have full confidence in WOODWARD 8273-140,an excellent digital load distribution and speed control controller,and provide customers with comprehensive product assurance.