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VACUUM DEGASSED BEARINGS
Vacuum degassing is a process used in the purifying of steel
for ball bearings assuring a very dense and consistent bearing surface.
This results in a longer lasting superior bearing. All Reliance Electric
ball bearings are vacuum degassed bearings.
VARIABLE TORQUE A multi-speed motor used on loads whose torque requirements vary
with speed as in some centrifugal pumps and blowers. The HP varies as
the square of the speed.
VERTICAL MOTOR A motor being mounted vertically (shaft up or down) as in many
pump applications.
VERTICAL "P" BASE MOTOR A vertical motor with a special mounting face conforming to NEMA's
"P" design and with a ring groove on the shaft.
VOLTAGE The force that causes a current to flow in an electrical circuit.
Analogous to pressure in hydraulics, voltage is often referred to as electrical
pressure. The voltage of a motor is usually determined by the supply to
which it is being attached. NEMA requires that the motor be able to carry
their rated horsepower at nameplate voltage plus or minus 10% although
not necessarily at the rated temperature rise.
VOLTAGE DROP Loss encountered across a circuit impedance from power source
to applicable point (motor) caused by the resistance in conductor. Voltage
drop across a resistor takes the form of heat released into the air at
the point of resistance.
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