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Switchgear & Breakers

Qualitrol provides a complete circuit breaker analysis with automatically processed user-friendly information for a quicker understanding of how the breaker performed under all operating conditions.

Trip, Close and Backup Coil Monitoring

Coil current monitoring is a powerful diagnostic information tool to detect potential electrical and/or mechanical problems during coil operation.

Partial Discharge

Partial Discharge is a localized breaker down with a small portion of dielectric insulation.

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Travel & Velocity

Breaker travel will indicate the position of the circuit breaker, by traveling back and forth between the open and closed position. Velocity given in meters per second or feet per second (ft/s) is calculated from a window of the travel curve.

System Line Current and I2T Monitoring

Calculate the I2T value for all the trip-close and display accumulated maximum I2T over the lifetime of the breaker in order to provide the estimated contact wear.

SF6 Gas

By monitoring SF6 on-line, you can proactively understand the following: identify leaks at an early stage, the severity of the leak, the pressure/density with accuracy, and emissions calculations and more.

Mechanism Monitoring

Monitors “Energy storage (accumulator, spring)” and “Compressors, motors, pumps, piping fittings”. Hydraulic/Compressed Air/ Nitrogen leakage in operating mechanism (internal or external leak) and more.

Customer Value

5%

Major Breaker Failures Caused by Trippings Without Command

20%

Breaker Failures Related to Leaks that can be Tracked by an On-line System

44%

Breaker failures Related Through Operation Commands Can be Avoided

Avoid a Short & Long Term Catastrophic Failure

Symptom Checker

SF6 Leaks Contact Wear Air/Oil Leakage Breaker Not Operating Mechanism exceeding motor run time / pump starts Breaker Trip Without Command

By monitoring SF6 online, you can proactively understand the following: identify leaks at an early stage, understand the severity of the leak, pressure/density with accuracy after the locking pressure stages, emissions calculations, days to reach alarming stage, density, absolute or relative pressure, vacuum, dew point and more. Track your gas compartments on a real time bases.

Sum total of SF6 mass emission since installation
Forecast (days to lockout) – days until minimum allowable density is reached using current rate of leakage
Display for trending temperature, pressure, density, and dew point values for a selected date range

iSGM On-line Intelligent SF6 Gas Monitoring System

Multi-function Software

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AKM 38750/38920/38960 Large Gas Density Monitor

SF6 Gauges

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Calculated separately for each pole during every trip and every close mechanism operation. Accumulated I2T of Trip & Close coil I2T values for each pole.

Continuous 24×7 on-line condition monitoring
Scalable solutions available for single breakers to multi-site with thousands of breakers with centralized monitoring and reporting
Long life design to outlast harsh UHV breaker environments

Understanding integrity of Breaker SF₆compartment and mechanism will provide extra insurance that breakers won’t trip due to SF6 leaks or mechanism energy storage limitation.

Allows corrective actions to be taken before any failure occurs
Optimize maintenance visits based on actual condition
Reduce replacement or repair expenditures
Ensure compliance to EPA SF₆ monitoring

Coil current monitoring is a powerful diagnostic information tool to detect potential electrical and/or mechanical problems during coil operation. Looking for its integrity 24/7, current and operation time can help to identify changes on the characteristics before failure.

Accurate and early incipient fault detection
Continuous monitoring of key parameters
Fleet-wide breaker monitoring

Track charging current on the mechanism motor current, it will provide not only the charging time and pump starts, but also the current profile of your motor, allowing analyses to be make providing early fault indications.

Provides evidence for replacements or retrofits based on fleet monitoring of breakers from various OEMs and vintages
Repetitive pattern recognition for failed conditions using centralized SMARTSUB software
Records deviations from OEM’s stated breaker nameplate information

Reduce the risk by tracking early SF6 leak and mechanism integrity; apply SF6 and pump start counting monitoring.

3 alarm relay outputs for integration into SCADA, local Annunciation Built-in alarm logging and reporting engine with acknowledge and reset functions
All alarms and events are stored in a log to be retrieved by remote users
Standard web browser based alarm configuration

Packages

Qualitrol offers a variety of basic and advanced sensors that can be upgraded with levels of functionality to help meet your condition based monitoring needs.

Basic

Timing in ms
Coils Current
Auxiliary Contacts
Current Measurement
Cabinet Temperature
Heater Status
Relay Output
Optional SF₆

Advanced

Timing in ms
Coils Current
Auxiliary Contacts
Current Measurement
Cabinet Temperature
Heater Status
Battery
Relay Output
Optional SF₆

Elite

Timing in ms
Coils Current
Auxiliary Contacts
Current Measurement
Cabinet Temperature
Heater Status
Battery
Relay Output
Pump Counting
Mechanism Motor Current
VT/PT Voltage
Mechanism Pressure
Velocity (Transducer Needed)
Optional SF₆

Latest News

08.01.23

QUALITROL manufactures monitoring and protection devices for high value electrical assets and OEM manufacturing companies. Established in 1945, QUALITROL produces thousands of different types of products on demand, customized to meet unique requirements.

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Switchgear & Breakers Condition Based Monitoring

With experience in every major energy vertical, Qualitrols condition based monitoring solutions use a combination of sensors, monitors and software to diagnose the health of electrical assets.

Transformers

Motors

Switchgear & Breakers

Trip, Close and Backup Coil Monitoring

Partial Discharge

Travel & Velocity

System Line Current and I2T Monitoring

SF6 Gas

Mechanism Monitoring

Customer Value

5%

Major Breaker Failures Caused by Trippings Without Command

20%

Breaker Failures Related to Leaks that can be Tracked by an On-line System

44%

Breaker failures Related Through Operation Commands Can be Avoided

Avoid a Short & Long Term Catastrophic Failure

Symptom Checker

iSGM On-line Intelligent SF6 Gas Monitoring System

AKM 38750/38920/38960 Large Gas Density Monitor

Calculated separately for each pole during every trip and every close mechanism operation. Accumulated I2T of Trip & Close coil I2T values for each pole.

Understanding integrity of Breaker SF6 compartment and mechanism will provide extra insurance that breakers won’t trip due to SF6 leaks or mechanism energy storage limitation.

Coil current monitoring is a powerful diagnostic information tool to detect potential electrical and/or mechanical problems during coil operation. Looking for its integrity 24/7, current and operation time can help to identify changes on the characteristics before failure.

Track charging current on the mechanism motor current, it will provide not only the charging time and pump starts, but also the current profile of your motor, allowing analyses to be make providing early fault indications.

Reduce the risk by tracking early SF6 leak and mechanism integrity; apply SF6 and pump start counting monitoring.

Packages

Qualitrol offers a variety of basic and advanced sensors that can be upgraded with levels of functionality to help meet your condition based monitoring needs.

Basic

Advanced

Elite

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QUALITROL manufactures monitoring and protection devices for high value electrical assets and OEM manufacturing companies. Established in 1945, QUALITROL produces thousands of different types of products on demand, customized to meet unique requirements.

Understanding integrity of Breaker SF₆compartment and mechanism will provide extra insurance that breakers won’t trip due to SF6 leaks or mechanism energy storage limitation.