The OPTIMIZER 2 uses patented technology to continuously monitor in-service circuit breaker performance and SF6 gas density. SF6 gas emissions due to leakage are totalized and reported.
Applications
High voltage circuit breakers to 765 kV
Generator
Transmission
Distribution
Circuit Switchers
SF6 Puffer, Vacuum and Oil types, any mechanism type
Live tank and dead (grounded) tank
Features
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Features
CAPABILITIES
Accurately times arc duration, trip, close, & clearing
Reports days since last operation
Monitors phase-segregated line current during interruption to gauge contact life
Detects restrikes
Gives precise time, in days, until breaker will lock-out on low gas alarm
Up to three SF6 density sensors may be used with a single OPTIMIZER2
Totalizes mass of SF6 lost to atmosphere for breaker lifetime
Useful in EPA reporting
May be installed temporarily, as-needed, on problem breakers for diagnosis
.xlsx file exported performance metrics for detailed review
Provides IEEE function 49, -40 °C definite temperature lockout
FEATURES
Powered from AC or Station Battery
Accurate for 50 or 60 Hz Power Systems
Secure TCP/IP – HTTPS Digital Signing Encryption Layers
Auto-resets alarms after a gas fill operation, no user interaction required
Fast Installation – field retrofit in less than two hours
Fast Functions – Using the USB port and a memory stick, in seconds, the user may:
Clone any OPTIMIZER2 to Batch Program multiple OPTIMIZER2 units for a specific breaker type
Retrieve breaker performance history data
Reset parameters after a breaker service or rebuild
16 user-defined PdM alarms
Remote communication using DNP 3.0 via Ethernet TCP/IP or RS485
BENEFITS
Every breaker operation is examined
Logs in-service performance metrics
Reduces need for off-line time/travel testing of circuit breakers
Displays SF6 Density & Contact life remaining in simple RED YELLOW GREEN format
No moving parts, reliable in temperature extremes, eliminates nuisance alarms
Provides IEEE function 63, low gas alarm lockout
Reports fault operations and switching operations separately
Forecasts SF6 refill deadline for use as a maintenance planning driver
Total unit cost can be recouped by avoiding emergency gas service calls
Integrates using SmartGrid DNP 3.0 Communication
No PC software to maintain, only a Web browser is needed
Provides “distributed intelligence” that remains attached to the breaker, not buried in a central processing location. It operates as a Web Server, making it independent of future MicroSoft OS changes.
Provides leading indicators of insipient breaker failure. Breaker failure relay schemes can only provide lagging indicators – once the breaker fails, it’s too late.
