AC VARIABLE FREQUENCY DRIVE SYSTEM
AC variable frequency drive system of drilling rig in the depth of3000-12000m which developed on the baso of SIEMENS,ABB,VACON and other frequency converters represents the highest level of the industry.
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Product Description
AC variable frequency drive system of drilling rig in the depth of3000-12000m which developed on the baso of SIEMENS,ABB,VACON and other frequency converters represents the highest level of the industry.
Product Details
AC VARIABLE FREQUENCY DRIVE SYSTEM
AC variable frequency drive system of drilling rig in the depth of3000-12000m which developed on the baso of SIEMENS,ABB,VACON and other frequency converters represents the highest level of the industry.
Frequency converter fault alarm, an emergency brake by controlling the hydraulic disc brake.
Anti-Collision safe speed.
Over-current, short-circuit and lost AC input voltage protection.
Lost wind alarm of main motor, low pressure alarmof lubricating oil.
I't monitoring.
Lock protection of motor.
Emergency shutdown.
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