Abb manufactures disturbance recorders which are applicable for verifying the proper operation of protection relays and circuit breakers and for analyzing protection problems in electrical power systems. Spcr 8c27 disturbances recorder is a high-capacity, fully digital data recording module, which is used jointly with protection relays and terminals of the spacom product range. Salient features are as follows:
1 this is an outstanding tool for the network operating and design personnel to analyse the performance of the power system, its protection equipment and other components before, during and after a network disturbance situation.
2 high power system consistency and availability is achieved.
3 the recorder module also provides basic information for improving the planning and construction of future power systems.