Model Number

EKAS

????Protection function
??Three zone multi-voltage closedown over-current protection (with direction)
??Low frequency decrease load (slip closedown, low current closedown)
??Transformer ratio-differential protection(secondary harmonic break??
??Three zone current protection for bus coupler
??Charge up protection for bus coupler
??Protection of unbalance current with capacitor
??Self heavy gas, Self slight gas
??Voltage regulating heavy gas, voltage regulating slight gas
??Over load protection
??Over load closedown the OLTC(on-load-transformer-control)
??Over current direction protection
??Signal of release voltage, cooling fault, overtemperature and so on
??Over/low voltage protection
??Non-current/voltage protection
??VT failure detection alarm
??Earthed alarm