Abstract: This paper presents a three phase non directional over current protection scheme for a standalone 1 MW Photovoltaic (PV) array based solar power plant. The scheme is based on an ABB ...

ABB has released its Relion REF615R feeder IED. The REF615R was designed to offer an easy, quick and affordable way to upgrade ABB’s DPU2000R relay along with providing a 19-inch rack mount version of ...