Overhead Distribution
Full Form of OHD
What is OHD?
Overhead Distribution (OHD) refers to the network of electrical conductors and associated equipment installed on poles or towers to deliver electricity from substations to end consumers. In India, OHD is the backbone of rural and urban power supply, especially in areas where underground cabling is not feasible due to cost or terrain. State electricity boards and power distribution companies like BESCOM, MSEDCL, and TANGEDCO maintain extensive OHD networks that carry low and medium voltage power (typically 11 kV and 415 V) to households, farms, and small industries. The system includes poles, insulators, transformers, and service lines. Despite being prone to weather-related outages and theft, OHD remains the most common method of electricity distribution in India because of its low installation cost and ease of maintenance. Engineering students studying electrical power systems often encounter OHD in curriculum topics related to distribution system design, voltage drop calculations, and protection schemes. Understanding OHD is also relevant for competitive exams like GATE and SSC JE where questions on transmission and distribution networks appear. The government's Saubhagya scheme and rural electrification projects heavily rely on extending OHD lines to unconnected villages.
OHD का फुल फॉर्म
ओवरहेड वितरण
Example
The power corporation announced a ₹50 crore project to convert aging OHD lines into aerial bunched cables to reduce accidents and power theft in the district.