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| Microcontroller based Governor - MEG 601 - Features |
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More than 500 systems working in Indian Railways since 2002. |
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Maintenance free alternative to popular Hydraulic Woodward Governors. No need of maintenance or spares for 4 years. |
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Digital PID based control for high accuracy and repeatability. No need of any potentiometers or change of settings for life. No "hunting" of Engine RPM in IDLE situations. |
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Stepper Motor drive for precise control of fuel rack position. Minimal moving parts with little wear and tear. |
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Linear Transducer for feedback of actuator position. |
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User settable configuration parameters can be tuned to suit various class of locomotives with different characteristics without changing the software. |
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No need to tune the Governor for each Locomotive. Once tuned digitally for one Locomotive, same PID parameters can be used on all Locomotives of that class. |
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Electro Magnetic clutch for automatic shutdown by bringing fuel rack to zero, in case of power failures or any major equipment malfunction. |
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Booster (Turbo) Air Pressure based fuel rack limiting function to reduce cases of incomplete combustion of fuel. This feature can be bypassed by a switch on Control Unit. |
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Functional plug-in modules for easy and quick servicing. |
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Online Fault Diagnostics and fault message display with fault data recording. |
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Fault error log recording in internal non-volatile memory. Error log and data can be downloaded by a software application running on Laptop PC for analysis by maintenance staff. |
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Electronic and Mechanical Overspeed Trip of Engine simulation and testing using key lock switch. |
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Load Control interface with Traction Alternator excitation system for limiting HP at each individual notch. |
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Switch Mode Power Supply with built in protection for Reverse Polarity, Input Over Voltage, Over Current and Short Circuit used. Can work with voltage down to 20V (nominal 72V) especially useful while cranking with weak batteries. |
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Engine parameters are continuously displayed on VFD display visible to the Driver from the Driver Desk. |
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