The Intellix MO150 Transformer Monitoring System from GE Energy is an intelligent, cost-effective solution designed to provide comprehensive online monitoring and interactive transformer condition diagnostics. It delivers early warning of incipient failure conditions, helping utilities protect critical assets and improve operational reliability.

Built on field-proven technology, the Intellix MO150 integrates data from multiple sensors—such as Hydran™ dissolved gas monitors—together with advanced transformer mathematical models compliant with IEEE® and IEC® standards. The system provides real-time insight into transformer operating conditions and performance, enabling utility operations managers and system operators to make informed, timely decisions.

System Features
Online Diagnostic Models¹

MVA Model
Calculates apparent power on primary, secondary, or tertiary windings.

Winding Hot-Spot Temperature Model
Computes hot-spot temperature for each winding based on measured load current.

Moisture Model
Estimates moisture content in conductor insulation and solid barrier insulation.

Insulation Aging Model
Calculates insulation aging acceleration factors in accordance with IEEE or IEC guidelines.

Cooling Control Model
Supports management and optimized operation of the transformer cooling system.

Cooling Efficiency Model
Monitors and evaluates the actual efficiency of the cooling system.

Tap Changer Thermal Model
Computes temperature differences between the LTC tank and the main transformer oil tank.

Tap Changer Position Tracking Model
Records and tracks tap position transitions over time.

Dynamic Loading Model

The online Dynamic Loading Model allows operators to safely load transformers closer to their optimal limits without compromising reliability. By combining real-time transformer operating data with environmental conditions, the model continuously estimates the transformer’s capability to sustain safe operation during overload conditions. This enables more flexible asset utilization while maintaining system integrity.

Key Benefits
Optimize the Lifespan of Critical Assets

Continuous online monitoring and real-time transformer diagnostics significantly reduce the risk of unexpected—and potentially catastrophic—failures. This helps utilities avoid costly replacements, environmental cleanup, and unplanned outages while improving overall asset reliability.

Early detection of developing transformer issues delivers measurable operational and financial benefits:

Reduced inspection and maintenance costs by extending intervals between routine maintenance activities

Optimized equipment life through continuous monitoring of cooling system performance

Lower probability of unplanned outages via continuous condition assessment

Greater confidence in asset lifespan through real-time model-based condition evaluation

Deferred capital expenditure by extending transformer service life and maximizing performance