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Character of Product
It adopts AC motor frequency variation and speed
regulation technology, it takes stepless speed regulation control for pumping
unit main motor, to adjust pumping unit stroke frequency and
up/down run speed, the high power factor and high
efficiency
It adopts double PWM sine wave pulse-width modulation
method to feed back the electric energy to elec. net. The
regeneration energy of motor is fed back to elec. net
through filter, so it can't pollute the elec. net.
Adopting hitless switch inside the
machine, protection degree can arrive to more than IP 50,
the ability of resist moisture, anti- corrosive is high, so
it is fit for the bad environment of outdoors.
It has perfect protection and diagnosis function, personality design,
operate simply, it is convenient and safe for use.
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