Shunt-Wound DC Generators
When the field winding of a generator is connected in parallel with the generator armature, the generator is called a
DC Generator Internal Losses
There are four internal losses that contribute to lower efficiency of a DC generator. Copper losses Eddy-current losses Hysteresis losses
DC Generator Theory
DC generators are widely used to produce a DC voltage. The amount of voltage produced depends on a variety of
DC Machines Construction
Direct current machines are energy transfer devices. These machines can function as either a motor or a generator. DC motors
DC Machines Terminology
DC Machines Terminology Terminal Voltage Terminal voltage, as applied to DC generators, is defined as the voltage that can be
Battery Hazards
Because batteries store large amounts of energy, there are certain hazards that are associated with battery operation. These hazards must
Types of Batteries
The lead-acid battery is the most common type of battery in use today. There are other types of storage batteries,
Battery Operation : Series and Parallel
Once the basic theory behind the operation of batteries is understood, we can apply these concepts to better understand the
Discharge and Charging of Lead-Acid Battery
In a lead-acid battery, two types of lead are acted upon electro-chemically by an electrolytic solution of diluted sulfuric acid
Batteries Theory
A battery converts chemical energy to electrical energy. This conversion enables electrical power to be stored. The purpose of a