Callenberg Engineering Case Study

Patton & Cooke Co. - The Path to Success

Customer:

Callenberg Engineering

Location:

Miami FL, USA

Industry:

Industrial

Challenge:

To design a coupler system that:

• provides quick connecting and disconnecting of 11kV, 1500 Amp, shore supply, to the shipboard switchgear
• provides interlocking to prevent the shipboard power and onshore power from being energized at the same time
• is a unique and independent 15kV coupler system
• withstands corrosive environment onboard ocean vessels
• withstands short-circuit currents of 35kA
• can be fitted to switchgear onboard the ship

Solution:

Utilizing all extraordinary features of the 15kV Coupler System such as corrosion resistant cast aluminum outer castings with polyester powder coatings as well as vacuum cast, non-hydroscopic, silica sand filled thermal setting resin insulators. Designing phase contacts to handle 35kA fault currents. Performing verification tests at an independent test facility.  

Product:

Equipment Mount Plug, Cable Mount Receptacle and Live-End Cover (Sales are restricted to Callenberg Engineering)

Key applications:

The superior features of the equipment mount plug include:

• custom-designed corrosion resistant aluminum cast components
• non-hydroscopic phase insulators made from vacuum cast silica sand filled thermal setting resin featuring high dielectric strength
• multilam band style contact arrangement for high fault current withstand
• mechanical and electrical interlocking to prevent shore and ship power from being energized at the same time

Benefits:

The equipment mount plug offers a variety of benefits:

• less time and lower costs through connecting shore power to ships switchgear
• improved safety with mechanical and electrical interlocks
• compliance with environmental regulations at ocean ports by connecting ships to surplus shore power and this way reducing ships power generating needs (emissions)
• capability to safely connect to shipboard switchgear with high short-circuit (35kA) potential