Switch Yard Structures/Sub Station Structures is manufactured by Associated Power Structures Private Limited. The Switch Yard Structures/Sub Station Structures ranges from 33 KV to 400 KV. The Switch Yard Structures/Sub Station Structures is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. Electric power may flow through several substations between generating plant and consumer, and may be changed in voltage in several steps. A substation that has a step - up transformer increases the voltage while decreasing the current, while a step - down transformer decreases the voltage while increasing the current for domestic and commercial distribution. Associated Power Structures Private Limited is an ISO 9001 [TUV] registered organization. Associated Power Structures Private Limited supplies power transmission towers, wind mill towers, switch yard structures, telecom towers, etc.