Vertical roller mill in Cement industry Case - Medium Voltage Inverter

INVT GD5000 Medium Voltage Inverter Applied to Vertical Roller Mill in the Pakistan

In this paper, through introducing INVT GD5000 medium voltage inverter applied to vertical roller mill in the Pakistan, in order to illustrate VFD transformation of the feasibility and economy. Especially it can increase raw milling production, input power factor and other benefits.

Modern urban infrastructure construction cannot leave the participation of cement, and cement production needs all kinds of equipment to work together. Vertical roller mill machine is a very important device in the cement factory.

Along with development of energy control technology, nowadays mostly motors are driven by inverter instead of old traditional technology such as soft starter for smarter control and energy saving purpose.

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Compared with original vertical roller driven method, the VFD method has much more advantages. The VFD system is easily controlled by DCS and the VFD running speed can automatic adjusted from 0Hz to 60 Hz. The upgraded inverter system works very well, customers are satisfied and investment payback period about 6 months by saving power energy.

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