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What is the difference between dynamo breaking and regenerative breaking?

In case of dynamo breaking, when power is off and motor acts as a generator that it is connected across generator if consumes mechanical energy and converts into electrical energy. This electrical energy is supplied to load and dissipated as heat.             On the other hand in regenerative breaking, the electrical   energy instead of being dissipated by a load in form of heat, it is fed back to the supply line to be used by other devices. List the different types of losses that occur in dynamo. There are different losses in a dynamo. The list of different losses which occur in dynamo is given below- Dynamo losses: ·          Electrical losses ·          Armature copper loss ·          Series field copper loss ·          Shunt field copper loss ·          Magnetic losses ·          Eddy current loss ·          Hysteresis loss ·          Mechanical losses ·          Friction loss ·          Windage loss   What a