Requirements For Electrical Safety; Chapter Ii Overview Of Air Compressor; Advanced Twin-Screw Air Compressor - SATA AE5811 Manual Del Uso

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III. Requirements for electrical safety
1.Select a power cord with a correct diameter according to the compressor power. Do not use a power cord with a small wire diameter,
otherwise it may easily burn out due to high temperature and cause danger.
2.The air compressor had better to use a set of power system independently, and be sure to avoid sharing the power supply with other
current consumers by connecting the compressor with them in parallel. If the air compressor is connected in parallel with other current
consumers, other electrical devices may be affected when the air compressor freezes up due to excessive voltage drop or unbalance of
three-phase current, and signals that interfering with the air compressor tend to be generated. This must be kept in mind with respect to
high-power air compressors.
3.Configure appropriate air switches according to the air compressor power to protect the electrical switches in the system and ensure
safety.
4.Before distributing power to the air compressor, make sure that the supply voltage matches with the rated voltage of the motor.
5.The ground wire of the motor/system must be installed to prevent danger due to electric leakage. The ground wire shall not be directed
to the air duct.
6.The operating current of the motor shall not exceed 5% of the rated current; if the three-phase current is unbalanced, the difference
between the lowest and highest phase currents shall not exceed 5% of the rated current; if the power supply voltage decreases, the voltage
drop shall not be lower than 5% of the rated voltage.
7.When there are several air compressors working, it is forbidden to start them all at the same time, so as to avoid too much fluctuation of
the power grid, causing the air compressor to malfunction during startup.

Chapter II Overview of Air Compressor

I. Advanced twin-screw air compressor
Screw air compressor is a volumetric rotary air compressor made up of two rotating shaft, which is also known as twin-screw air
compressor. This air compressor has unparalleled technical advantages:
a)Excellent operational reliability. The twin-screw air compressor is composed of few parts and almost no wearing part, so the screw
compressor head operates reliably and has a long service life.
b)Simple operation and maintenance The screw compressor adopts highly automated control technology and can operate reliably even in
an unmanned environment. Thus, the user can operate it freely with simple training.
c)Excellent dynamic balance. With its structure and working principle, the twin-screw air compressor has no unbalanced inertial force and
is very stable during high-speed operation. Therefore, the air compressor station may put the compressor into service without laying a
special foundation; the compressor is small in size and lightweight, so it is easy to use.
d)High efficiency. Because the screw compressor can forcibly deliver air and its volumetric flow rate is hardly affected by the discharge
pressure, so the compressor works with high efficiency, which is not affect by and long-term operation.
e)Low noise and vibration. With advanced measures taken to isolate and absorb noise and vibration, this compressor system has the
advantages of low noise and vibration.
The screw air compressor produced by our company is a volumetric rotary air compressor made up of two rotating shaft. The upper end
of the compressor housing is provided with an air inlet, the lower is provided with an air outlet, and high-precision main and auxiliary rotors
are installed in parallel in the housing. The main and auxiliary rotors have helical teeth and they can mesh with each other. The main and
auxiliary rotors are positioned with bearings supported at their ends.
Based on the principle that the diameters of compressor head and the motor pulleys are different and they can have ratio, the compressor
unit is driven via belt looped over both pulleys. The speed of the main rotor is increased via belt drive.
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