Specifications

Series 15H Applications

Centrifugal Fan – The Baldor inverter is used to adjust the CFM (and associated pressure) of

a fan. Typically, in the past, inlet vanes and outlet dampers have controlled air flow. These

techniques are effective and well accepted, but not very energy efficient. With the Baldor

inverter – vanes, dampers,actuators and their associated maintenance may be eliminated.

Additionally and most importantly, power consumption is decreased by the cube of the

speed decrease. This means a potential for tremendous energy savings. Simple control of

speed through the process follower input allows “closed loop” control of your air flow.

We have also included 3 skip frequencies to avoid those “critical speed bands” that might

cause excessive vibration.

Conveyor – Baldor’s inverter is the perfect solution to control the speed of a conveyor.

Inverters are used for different products run on one conveyor, various processes, different

shifts, etc. Control of speed can be with a potentiometer, a process follower or simple

switch closures (with up to 15 preset speeds)! Built into the control is dynamic braking to

allow the operator to “ramp down” the conveyor speed instead of just coasting down.

Also, the control will allow full torque at low speeds through our built in auto torque boost.

We have also included an “s-curve” for an easy start and landing during acceleration and

deceleration. A great help to keep productivity up, and reduce scrap.

Pump – In Baldor’s tradition of being a value supplier of energy efficient motors – Baldor’s

inverter includes several different “square reduced” volts/hertz curves. This allows the

drive to operate close to the pumps output requirements - an absolute energy saver for

variable flow applications. With the Baldor inverter, throttling valves can be eliminated and

flow controlled from adjustable motor speed. With the adjustable acceleration time (up to

3600 seconds), water hammer can be significantly reduced if not entirely eliminated. The

mechanical stresses in your pump and motor will also be greatly reduced. Additionally,

inrush current associated with across-the-line starts can be dramatically reduced. Once

again, simple control through the keypad, potentiometer, or process follower (0 - 10VDC,

0 - 5VDC or 4-20 mA) input is available.

Mixer – Baldor’s Series 15H inverter includes many features that make it ideal for mixing

applications. We include the ability to control speeds through a process follower, the keypad

or switch closures for various speeds. Included is a minimum speed so the operator cannot

turn the speed down below a set value, to keep the mixture from “setting up”. Adjustable

current limit will trip off the drive at a set torque (related to viscosity) level. High speeds for very

fluid materials (up to 7200 rpm or more) are possible! You can even read current on the

keypad and use it as a determination of viscosity.

Packaging Equipment – (Typically constant torque applications) – Baldor’s Series 15H

inverter provides wide constant torque speed ranges with its superior torque boost and the

potential for changing base speed beyond 60 hertz for applied motors. The process

following feature allows a master controller to control the entire process. Also, the analog

output can be tied into the analog input of another control for leader/follower applications.

Photo courtesy of Goulds Pumps