Jim D. Gray & Associates, Inc.

Supporting O.E.M.’s since 1977

Medium Voltage Variable Frequency Drives (VFD)

600V to 6000V

 

AC drive systems

Vector and Sensorless vector controlled Propulsion and Stationary systems.

4160V Static power inverters up to 1 megawatt.

Auxiliary power systems for light rail systems Head End Power systems for passenger rail.

 

 

 

600 HP INVERTER MOTOR DRIVE

Light Rail Propulsion

 

1400 HP INVERTER MOTOR DRIVE

Locomotive, Mining & Industrial

 

70kVA STATIC INVERTER /  BATTERY CHARGER

Onboard Auxiliary Power for Rail Transit Vehicle

 

 

 

0.5HP-400HP Space Vector VFD

Oil Exploration
Top Drives • Drawworks
Positioning Thrusters

Alternators
Brushless and Brush type
Synchronous 600 KW to 7000 KW

Motors
AC Induction to 8000 HP and 2, 4, 6, 8 pole design Synchronous to 8500 HP 2 pole through 32 pole

Transportation
Locomotives
Light Rail
Heavy Rail
EMUs

Marine
Ships
Work Boats
Pleasure Craft
Thrusters

 

Off Highway Construction Equipment
Graders
Trucks
Excavators

Mining
Shovels
Trucks
Scrapers

Other Power conversion products

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972-699-9976