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Ground Pile Control Systems

We build Ground Pile Control Systems that operate fans to suction the tarp to the grain pile. They use a wind speed sensor input to a micro-controller that runs a VFD controlled fan motor. When the wind is greater than (2) miles per hour the first fan is started. This is ramped up and down with the VFD as the wind speed increases/decreases. Additional fans come on line as the wind speed further accelerates. We also build a skirt control panel mounted at the top platform to position the tarp so it is reliable and keeps the grain dry. All settings are adjustable with set-points for every fan.

Center Aeration Tower Controls

Price

Item #

Description

GPVFD/LR 60hp VFD Controller with Line Reactor. Will run (1) of (4) 50-60hp Air Fans. Electrical Contractor will furnish a breaker to feed the panel and motor starters for the other (3) fan motors. GPMSCP Motor Starter Control Panel for (4) Winch Motors and (4) Skirt Motors. This will be Nema 4 rated and UL508A listed to be mounted at the top platform. The panel will require a 480V 20 amp 3 phase feed. It will then be wired from the panel to the (8) Motors on top, also rated 480V - 3 phase. GPWSCTS Wind Speed Controller Panel with operator touch screen and an anemometer that will feed a 4-20 ma signal into a PLC. It will be programmed to control the speed of a VFD and start/stop contacts to control another (3) fans. Price GP60VFD450 60HP, VFD, Will Control (1) 50 Fan. Motor Starters and Breakers included to control the other (3) 50HP Fands. Wind Speed Controller, Micro PLC, Line Reactor, Vent Kit $9,625.00 GP75VFD8 75HP, VFD, Will Run (8) 7 1/2HP Fans / Motor Protectors in a Hinged Window Door for Disconnect and Lockout. Wind Speed Controller, Micro PLC, Line Reactor, Vent Kit $8,745.00 GP125VFD13 125HP, VFD, Will Run (13) 7 1/2HP Fans / Motor Protectors in a Hinged Window Door for Disconnect and Lockout. Wind Speed Controller, Micro PLC, Line Reactor, Vent Kit If you need to add a Non Fusible Disconnect or Breaker Disconnect to Panel, Pricing is on Page 78. $6,985.00 $3,795.00 $9,900.00 Total System Cost $20,680.00 Item # Description $17,050.00

Wind Speed Sensor Item #

Description

Price

TV-4-A

4-20ma Wind Speed Sensors

$935.00

Phone 1.800.950.5792 • www.hopeelectric.com

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