Power Plant Construction and QA/QC

Section 5.4 – Key Systems and Components

Engineering Technology Engineering Technology DivisionDivision

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Section 5.4 – Key Systems and Components

Overview

• Power Plant Instrumentation – Monitor, Control

• Technology has changed dramatically and continues to change.

• Allows cost to be determined real time.

• Provides system control and adjustment

• Information storage and retrieval

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Section 5.4 – Key Systems and Components

Sensors and Transmitters

• Pneumatic signals – air, movement, position

• Electrical Signals

• Analog – ∆ pressure, flow, mass

• Discrete - A to D or digital source

• Smart Transmitters

• Digital – Any measurement

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Section 5.4 – Key Systems and Components

Control Devices

• Pneumatic signals – air, movement, position – through piping

• Electrical Signals

• Analog – ∆ pressure, flow, mass - wire

• Discrete - A to D or digital source - wire

• Smart Transmitters

• Digital – Almost any measurement – wire, fiber optics

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Section 5.4 – Key Systems and Components

Control Devices - Digital

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Section 5.4 – Key Systems and Components

Control Devices - Pneumatic

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Section 5.4 – Key Systems and Components

Control Devices – Electrical

Motor Positioning

Motor Operated

Electro-Pneumatic

Motor Control

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Section 5.4 – Key Systems and Components

Control Systems – Control Room

1950’s Control Electrical Panel

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Section 5.4 – Key Systems and Components

Control Systems – Control Room

2010 Natural Gas Control Room

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Section 5.4 – Key Systems and Components

Control Systems – Control Room

AP-1000 Nuclear Control Room

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Section 5.4 – Key Systems and Components

Nuclear Plant Control Room

Control Systems – Control Room

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Section 5.4 – Key Systems and Components

Control Systems – Process Computers

Control Room Panel Back

Process Computer Room

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Questions?

Section 5.4 – Key Systems and Components