Sel 351s. SCHWEITZER SEL351S PROTECTION SYSTEM RELAY 0351S7X433H5421 Premier It can be programmed and monitored using acSELErator QuickSet Software and DNP3 communications. Large, easy-to-use operator controls and optional independent SafeLock trip/close pushbuttons enhance operation and simplify panels.
Schweitzer Engineering Laboratories Sel351S Protection System from www.ebay.com
The SEL-351S directional and nondirectional overcurrent functions can be used to protect virtually any power sys- The 351A relays are for feeder protection and the 351S relays serve as main secondary breakers
Schweitzer Engineering Laboratories Sel351S Protection System
The SEL-351 Relay has built-in Ethernet and IEEE C37.118 synchrophasors, and is ideal for directional overcurrent applications The SEL-351S Relay provides wide-area system stability awareness with IEEE C37.118 synchrophasors and simplifies communications with built-in Ethernet We recently replaced our old main substation electromechanical relaying system with a SEL 351S/351A system
SEL351 Protection System Power Equipment & Supplies, Inc.. The SEL-351S directional and nondirectional overcurrent functions can be used to protect virtually any power sys- The SEL SEL-351S Protection and Breaker Control Relay includes a robust set of phase, negative-sequence, residual, and neutral overcurrent elements
SEL Schweitzer Engineering SEL351S Protection System (0351S61342552XX. sel-351s instruction manual sel-351s instruction manual table of contents section 1: introduction and specifications section 2: installation section 3: overcurrent, voltage, synchronism check, frequency, and power elements section 4: loss-of-potential, load encroachment, and directional element logic section 5: trip and target logic Our substation consists of 2ea power transformers (69kV/12.47kV, 15/20MVA ABB) feeding a dual lineup with a tie breaker.