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YVF
Series frequency-variable and speed-regulative three-phase
asynchronous motors are suitable for running in frequency changer
and speed regulation system which the power is supplied by a
frequency converter. This new series of product designed
unitedly in the country can be mated with all kinds of SPWM
frequency changer and speed regulation devices and is equipped
with a separate cooling fan which ensure the motor for good
cooling at various rotating speed. They can be used in machine
tool, metallurgic industry, textile, printing and dyeing,
transportation, chemical industry, mine and for seep regulation of
fans and pumps.
This
motor has advantages of a wide range of stepless speed regulation,
lower noise and vibration and make a feature of low speed constant
torque output and high speed constant power output. Its
mounting dimensions and rating class are in conformity to IEC
standard, having good versatility and interchangeability. The protection degree by enclosure: IP54; Cooling mode:IC416;
running duty:S1; Class F insulation; Connections: Y for ¡Ü55kW,
¡÷for
>55kW. |