WDG-3A - इंजिन गवर्नर ( ENGINE GOVERNOR )

 ENGINE GOVERNOR 

It is located on engine right side at power take off end. Its main work is to keep engine RPM stable as per throttle notch position irrespective of load and road. It also work the following

1. Controls fuel oil supply 

2. Co-ordinate between main generator and diesel engine HP. 

3. Brought engine speed to idle or shut down when any safety device operates.

4. Helps in engine starting and stopping 

Three types of governor are used in Diesel locomotive. 

1. Electro Hydraulic Governor (EH) 

2. Wood Ward Governor (WW) 

3. Microprocessor Control Based Governor (MCBG) 

Electro Hydraulic Governor (EH) – Main parts are