Search results with tag "Distance relay"
Typical Electrical Drawing Symbols and Conventions.
www.nrc.gov21 - Distance Relay 23 - Temperature Control Device 24 – Volts per Hertz Relay 25 - Synchronizing or Synchronism-Check Device 26 - Apparatus Thermal Device 27 - Undervoltage Relay 29 - Isolating Contactor 30 - Annunciator Relay 32 - Directional Power Relay 36 - Polarity or Polarizing Voltage Devices 37 - Undercurrent or Underpower Relay
Principles of Relay Pump Operations - LA County Firefighters
www.lacountyfirefighters.orgSeptember 2003 Slide 5-5-8 Driver/Operator 1B Relay Pumping Operations Minimum pump capacities based on maximum distance relay charting Flows needed: Pump capacity
Relay symbols and device numbers; selection from IEC 617 ...
library.e.abb.com21 Distance relay is a relay that func-tions when the circuit admittance, impedance, or reactance increases or decreases beyond a predetermined value. 22 Equalizer circuit breaker is a breaker that serves to control or to make and break the equalizer or the current bal-ancing connections for a machine field, or for regulating equipment, in a
Relay Application Guide - yipjacks.com
www.yipjacks.com5 * indicates inclusion in product catalogue R4126 EHV/HV Feeder Protection (continued) Application Details Product Publication Housing type Numerical distance relay with five zones of protection with a quadrilateral EPAC3100 N.1.6873