Welcome back to the final instalment of our virtual geothermal power plant tour! In the final post of this series, we will be discussing the Motor Control Centre (MCC) and the Supervisory Control and Data Acquisition (SCADA), both of which are integral parts of our geothermal power plant! This post includes a fascinating insight from our Project Manager, Charlotte Wilkins.
The MCC (Motor Control Centre) is the nerve centre of the power plant. It not only contains all of the motor drives which control the pumps throughout the plant and high and low voltage distribution boards, it is also home to:
The Uninterruptible Power Supply (UPS), a bank of batteries that keeps the computers functioning in the event of power loss. This ensures that no data is lost.
The Programmable Logic Control (PLC), the computer that controls the plant based on inputs from sensors. The signals arrive from sensors all over the plant including pressure, flow, temperature, vibration etc., and these are used to control valves and warn of any developing issues.
The Supervisory Control and Data Acquisition (SCADA) is the screen that displays all parameters of the power plant in real time and allows adjustments to be made. The base station is in the MCC, but it will be visible from individual workstations online.
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