The Solution: The Eriez AC operated drive
using the full sine wave delivers power to the unit proportionately
to the voltage increase . . . a "smooth" increase
in power. Eriez Hi-Vi Feeders can yield energy savings of
as much as 68%, according to calculations made using published
power consumption figures for typical DC, attract-release,
spring-return type feeders. Obviously, specific annual dollar
savings vary with the size of the unit, electrical rates,
and the number of hours of operation per year.
Eriez standard Hi-Vi feeder models include high speed units
capable of handling light, bulk materials at speeds of up
to 60 feet per minute and heavy duty units with capacities
to 550 tons per hour.
A variety of compact, energy efficient Hi-Vi bin vibrators
include models for use in applications from tiny 2-cubic foot
hoppers to huge bunkers.
A wide variety of screens, decks, grizzlies, special liners
and other adaptations are also available.
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The Result:
Eriez units operate directly from an alternating current line.
No costly rectifier is required. AC operation results in superior
linear feed rates and reduced energy costs.
In addition to saving energy, these Hi-Vi feeders and vibrators
provide outstanding performance and reliability under a wide
range of operating requirements. For example, stepless transformer-type
control allows you to vary applied line voltage and obtain
from zero to 100% of capacity with excellent linearity and
minimal heat generated. This assures exact feed rate for any
application and eliminates surging when changing from one
speed to another. SCR controls are available for automated
and solid state components are available for all units.
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