Aubrey Silvey Enterprises Testing Division



Field Service Highlights


PREVENTIVE MAINTENANCE
⦁ Protective Relays
⦁ Medium & High Voltage Circuit Breakers
⦁ DC Battery Systems
⦁ Transformer & OCB Oil Services
⦁ Routine Cleaning, Lubricating & Testing

PROTECTIVE RELAYS
Calibrate & Test to OEM Specs
⦁ Over current Differential
⦁ Under voltage Relay Power
⦁ Over voltage Relay Frequency
⦁ Motor Specialty Pilot Wire
⦁ Thermal Overload Multi-Function

MEDIUM & HIGH VOLTAGE CIRCUIT
BREAKERS

⦁ Primary Injection
⦁ Clean & Lube
⦁ Visually & Mechanically Inspect
⦁ Megger
⦁ Ductor

DC BATTERY SYSTEMS
⦁ Maintenance & Repair
⦁ Impedance Testing
⦁ Replacement & Installation

TRANSFORMER, OCB & OIL SERVICES
⦁ Transformer, OCB Testing & Repairs
⦁ Transformer & OCB Installation
⦁ Oil Testing, Dehydration, Degasification &
Thermal Cleaning
⦁ Insulation Power Factor Testing
⦁ Transformer Turns Ratio

TRANSFORMER DRESS OUT & INSTALLATION
⦁ Install on Pad
⦁ Mount Radiators, Bushings, Pumps
⦁ Conservators, Buchholz and N2 Systems
⦁ Tap Changer Operation
⦁ Hot Oil Vacuum Fill
⦁ Testing

GROUNDING SYSTEMS
⦁ Ground Grid Testing & Repair
⦁ Ground Detection Packages
⦁ Ground Fault Protection Relaying

THERMOGRAPHIC SURVEY
⦁ Circuit Breakers Contacts
⦁ Control Equipment Capacitors
⦁ Transformers Bus Duct
⦁ Battery Banks Terminators
⦁ Splices Switches
⦁ Connectors Motors
⦁ Bushings

D.C. HIGH POTENTIAL TESTING
⦁ Cables
⦁ Bus
⦁ Contactors
⦁ Medium & High Voltage Breakers
⦁ Load Interrupting Switches

START UP SERVICES
⦁ D.C. High Potential Testing
⦁ Protective Relay Calibration
⦁ Insulation Power Factor Testing
⦁ Current Transformer Testing
⦁ Potential Transformer Testing

SWITCHGEAR START-UP
⦁ Bus Work
⦁ Calibrate & Test
⦁ Functional Testing

UPS & BATTERY MAINTENANCE
⦁ Battery Monitoring Systems
⦁ Capacitor Replacement

EMERGENCY GENERATOR & ATS
⦁ Start-UP
⦁ Maintenance
⦁ Load Testing