Definition: Auto Recloser is a dielectric automatic circuit recloser (as you also known about a circuit breaker) but it also can make to remote for cutting off power, it is easy to monitor and control. it is fixed each station along the network to protect the power network by circuit breakers or fused which will turn off power in the event of a short circuit, a tree branch blow off during a windstorm and lands on the line may cause a short circuit, it use over load of power might cause to trip or earth fault that cause to power off. it can fix the adjustable time delays if the fault is appear.
DSA/SCADA Compatibility: When auto recloser used with a compatible Distribution System Automation (DSA) or SCADA system, some kinds of automatic circuit reclosers support remote control and monitoring to provide the following advantages:
• Information on recloser status and fault current values transmitted to system control allows fast location of the faulted line section, reducing the traveling time of line crews.
• This same information allows informed remote or automatic switching of lines, which reduces the area affected and quickly restores supply. Quality of supply is improved as a result.
• Reclosers can be configured and managed from system control, without technicians having to visit each individual recloser in the field to change configuration settings. This allows a reduction in staffing and improved system integrity.
Pole Mounting Detail
The installation should be connected from the power line to X-side terminal on the top for incoming power line and power line will connect to I-side terminal for outgoing power line to protect the power network. the surge arrester should be fixed including on the power line, earth must connect to ground, the control system need the power 220V or 110V to supply, so that we need to install one more transformer and connect the power from that transformer.
I would like to make an example on the Automatic Circuit Recloser of the U-Series of the NU-LEC Industries and the others are like similar which including more detail.