ABB Uniswitch Operation And Maintenance Manual

Contents

ABB Uniswitch Operation And Maintenance Manual Manual pdf 4 page image

ABB 1Uniswitch Operation andMaintenance Manual UNI S14GB 05-021 Summary1.1 GeneralProduct definition The Uniswitch is an air-insulated, metal-enclosed, three-phase, mediumvoltage (MV) switchgear and controlgear. The system includes severalstandardised cubicles which can be delivered either as a completeswitchgear and controlgear or as individual cubicles.Assembly structure The Uniswitch switchgear and controlgear system uses standardcomponents such as switch-disconnectors, SF6 - or vacuum circuit-breakers, earthing switches, instrument transformers and secondaryapparatus. The units are designed as fixed or withdrawable modulesand are fitted with a single busbar system. The withdrawable parts arealways with circuit-breakers.By combining the standard components, a system which offers a widerange of different device arrangements can be made.Applications The Uniswitch switchgear and controlgear system is designed for use ingeneral and industrial applications in 3.6 – 24 kV electrical distributionnetworks.References Details of the technical design and configuration of individualswitchgears, such as the technical data, detailed equipment lists for theindividual cubicles and comprehensive circuit documentation etc., canbe found in the relevant order documents.