GE LTC MAP User Manual

A  Amperes. 

Alarm  Operating condition occurring when data point value exceeds 

the alarm parameter set point. 

Averaging Interval  Configurable time period, up to 60 minutes,  when the monitor 

automatically takes incoming data levels and transfers them 

into memory. 

Calibration Parameters  Calibration setpoints for voltage, current, temperature, 

combustible gas, and tap position. 

Clear Memory  Action removes the monitored input data from the monitor non-

volatile memory. 

COM  Serial communication port on a personal computer. 

Combustible Gas  Fault gas in the dielectric oil. 

CPU  Central Processing Unit. 

CT  Current transducer. 

Download  Command that transfers data stored in memory from the monitor 

to a personal computer. 

Gland Plate  Assembly with pre-punched holes, used for routing cables and 

conduits into the monitor. 

Event  Tap change time period. 

I/O  Input/Output. 

LTC  Load Tap Changer installed on the transformer. 

mA  Milliamperes. 

Method in which data is stored and updated in the monitor 

memory. 

Relay Parameters  Parameters for transformer control relay and cam signals. 

Remote Site  Transformer location – substation. 

Rms  Root mean square of a number. 

RTD  Resistance temperature detector. 

Settable Parameters  Alarm level parameters for sensor inputs. 

Tap Position  LTC tap location. 

Upload  Command that transfers alarm parameters and site description 

information to the monitor. 

VAC  Volts alternating current. 

VDC  Volts direct current.