Electric Tension/ frequency for solids control equipment

For oil and gas drilling area, you will find generally 2 kinds of Electric Tension/Frequency. It might make the decision by Rig Electric Tension/Frequency. Other equipment utilized in rig site should adhere to the Rig Electric Tension/frequency. The first is 460V/60HZ, this standard rig is usually from Western nations and European nations, like America, Canada etc. the other is 380V/50HZ, this standard rig is usually from Eastern nations, Like China. So, once the buyer buy some equipment with motor/ electrical parts, it is best to verify the Electric Tension/frequency first.

Like our decanter centrifuge for oil drilling and solids control, you will find two motor and an electrical control panel. GNLW363BG Centrifuge is by using two motor, one motor 37kw and something motor 11kw the control panel is really a small cabinet 600mm x 800mm x 400mm. It has to be utilized in correct Electric Tension/frequency.

1) When the centrifuge motor and control panel is 380V/50HZ, it can't work under 460V/60HZ. You will find two points:

a. when the motor working under 460V/60HZ, the motor itself not a problem for brief time, however the centrifuge speed will be much greater than stand speed ( 3200rpm), thus damages the centrifuge parts.

b. When the control panel working under 460V/60HZ, the control panel insides parts is going to be burned fast.

2) When the centrifuge motor and control panel is 460V/60HZ, it may work under 380V/50HZ for brief time for you to test the gear, but cannot working very long time.

A. the centrifuge bowl speed cannot achieve to 3200rpm.

B. the motor lifetime will be reduced.

That's why once the customer give orders on solids control equipment, we generally will confirm with customer on Electric Tension/frequency first.

Question: So what can we do when the Electric Tension/frequency is wrong once the equipment get to our jobsite?

Solution: We are able to buy Electric Tension/frequency convertor. There are some convertor manufacturers from China who are able to supply this. For instance convertor change Electric Tension/frequency from 460V/60HZ to 380V/50HZ or change Electric Tension/frequency from 380V/50HZ to 460V/60HZ. We are able to also purchase it for that customer if asked for.

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