Classification of Substation explained in tamil (துணை மின் நிலையங்களின் வகைப்பாடு)

#classificationsofsubstitution
#substationtypes
#substation
types of substations
classification of substation
transformer substation
frequency changing substation
converting substation
switching substation
power factor correction substation
industrial substation
indoor substation
outdoor substation
pole mounted substation
foundation mounted substation
underground substation
gas insulated substation
need for substation
working operation in substation