— CASE STUDY Increasing reliability in 46 kV transmission lines Industry: Electric utility Challenge: Address reliability issues and extended outages associated with 46 kV transmission lines Product: Joslyn Hi-Voltage® 46 kV recloser Abstract A large electrical utility company encountered reliability issues and extended outages associated with their 46 kV transmission lines. These transmission lines had a high degree of exposure to adverse conditions and were located in thick forests with limited accessibility. Since the only protection system on these long transmission lines was located at the substation, the protective schemes were set to trip and lock out if an overcurrent situation arose. Under the existing configuration, a simple, temporary event, such as a tree br

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