Features
Transformer efficiency
Monitor, analyze and calculate transformers voltage, current, phase angle, power, power factor, loading history of transformer, as per IEC models.
Bushing
Bushing tan delta test
Temperature
Capture winding and oil (top, middle & bottom) temperature with +/- 0.1 degree accuracy. Display oil & winding temperature history.
Cooling
Monitor and analyze moisture in oil with +/- 2 per cent accuracy
Tap changer
Display tap position
Trip
Capture oil temperature, winding temperature, bucholz relay, pressure relief valve, OLTC surge relay and differential trip
Alarms
Facilitate user to receive SMS/E-Mail for all the monitored parameters.
Web enabled monitoring
Enable user to view various parameters of transformer and substation with real time monitoring.
Gas analysis
Measure and analyze seven dissolved gases with 2% accuracy
Benefits
System - level Benefits
Smart Loading assistance
Transformer Life Management - Online Transformer ageing curve.
Cooling efficiency & Cooling Fan power control management
Remote real-time monitoring
True gas components analyzer at site, in hourly basis
Visualization of behaving trends by interpretable charts on various parameters-Enhanced
User - Level Benefits
Reduced Power Outage
Decrease in Operational Cost
Extended Transformer Life
Safer Work Environment
Effective Asset Management
Step towards Unmanned Sub-stations
Critical Transformer Data Display & Alarms
Power parameters (Energy consumed, Voltage, Power Factor Phase Angle, Current, KW, KVAR, KVA)
Tap oil & bottom oil temperature
Hot spot temperature – as per IEC standard
Bushing PF
Core temperature
HV & LV winding temperature
Tap changer position
OLTC stuck indication & oil level
Cooling system efficiency
Fans (On/Off)
Fan failure status
Pumps operation+
Moisture – oil & water activity
The alarms for any of the above parameters can be set as per user requirement. The measures data is utilized for diagnosing the transformer efficiency using analytical derivations based on IEC 60076-7.
The following diagnostic parameters can be inferred from the calculations
Real time load ability
Winding hot spot temperature
Ultimate tap oil temperature
Oil circulation pump failure
Online tan delta for bushing
Cooling system efficiency
Water activity