Medium Voltage

Rapier & Associates have partnerships throughout the Utility industry that are capable of maintaining and ensuring the flow of power is never compromised to your facility.

What We Do

  • Testing/Commissioning
  • Substation Battery Systems
  • Control Schemes
  • Control Wiring
  • Communications

Medium Voltage Services

Our services encompass the planning, design, application and maintenance aspects of medium voltage substations for utility networks and industrial plants, including:
  • Medium Voltage Substation Installation
  • Infrared Acceptance Testing
  • Transformers
  • Medium Voltage Cable Repair and Installation
  • Duct Bank, Conduit, Cable Termination and Splicing Installations
  • Gas & Oil Filled Switches
  • Voltage Circuit Breakers and Regulators
  • Relays, Instrument Transformers & Meters
  • Grounding Systems
  • Ground-Fault Protection Systems
  • Motors and Generators
  • Surge Arrestors
  • Emergency Systems
  • Reclosers & Line Sectionalizers

Testing/Commissioning

  • VLF Tan Delta cable testing
  • Insulation Resistance
  • Winding Resistance
  • Winding Ratio
  • Power Factor
  • Megger

Substation Battery Systems

  • Battery Chargers
  • Alarms
  • Battery Banks
  • Control Schemes
  • Interlock
  • Trip
  • Close
  • Block Close

Control Wiring

  • Schematics
  • Tray Cable
  • Terminal Blocks

Communications

  • Fiber optic cables
  • SEL Mirrored Bits
  • SEL Fast Message
  • Ethernet
  • Networks

Contact Us

2002 Industrial Blvd. Rockwall, TX 75087

1-888-720-1974

info@rapierandassociates.com

TX Engineering Firm: #107677

TX Electrical Contractor License: #31418