Continuous Energy Improvement in Motor Driven Systems
Continuous Energy Improvement in Motor Driven Systems
Source: https://www.energy.gov
Author: Gilbert A. McCoy and John G. Douglass
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Process Automation In Wastewater Treatment Plants: the Finnish Experience
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Energy Efficient Electric Motors Systems
Introduction:
This manual gives a brief description of state-of-the-art technologies used to develop high efficiency motors, including premium efficiency induction motors, permanent magnet motors, and switched reluctance motors.
It also analyses issues that affect motor system efficiency and provides guidelines on how to deal with those issues namely by:
Selection of energy‐efficient motors
Properly sizing of motors;
Using Variable Speed Drives (VSDs), where appropriate. The use of VSDs can
lead to better process control, less wear in the mechanical equipment, less
acoustical noise, and significant energy savings;
Optimisation of the complete system, including, the distribution network,
power quality and efficient transmissions;
Motor Systems Energy Assessments
Taking Measurements
Applying best maintenance practices.
Motor Repair
How to win approval for energy efficiency projects
Energy Management Systems
Energy Efficient Electric Motors Systems
Introduction:
This manual gives a brief description of state-of-the-art technologies used to develop high efficiency motors, including premium efficiency induction motors, permanent magnet motors, and switched reluctance motors.
It also analyses issues that affect motor system efficiency and provides guidelines on how to deal with those issues namely by:
Selection of energy‐efficient motors
Properly sizing of motors;
Using Variable Speed Drives (VSDs), where appropriate. The use of VSDs can
lead to better process control, less wear in the mechanical equipment, less
acoustical noise, and significant energy savings;
Optimisation of the complete system, including, the distribution network,
power quality and efficient transmissions;
Motor Systems Energy Assessments
Taking Measurements
Applying best maintenance practices.
Motor Repair
How to win approval for energy efficiency projects
Energy Management Systems
SCADA Systems Hardware(And FirmWare)
. Introduction
This chapter introduces the fundamental concepts of DCS systems. The terms Supervisory Control and Data Acquisition (SCADA), Distributed Control System (DCS), Programmable Logic Controller (PLC), and Smart Instrument are defined and placed in the context used in this manual. The chapter is split into the following sections:
Definitions of the terms SCADA, DCS, PLC and smart instrument
Remote terminal unit (RTU) structure
PLCs used as RTUs
System reliability and availability
Communication architectures and philosophies
Typical considerations in configuration of a master station
SCADA Systems Hardware(And FirmWare)
. Introduction
This chapter introduces the fundamental concepts of DCS systems. The terms Supervisory Control and Data Acquisition (SCADA), Distributed Control System (DCS), Programmable Logic Controller (PLC), and Smart Instrument are defined and placed in the context used in this manual. The chapter is split into the following sections:
Definitions of the terms SCADA, DCS, PLC and smart instrument
Remote terminal unit (RTU) structure
PLCs used as RTUs
System reliability and availability
Communication architectures and philosophies
Typical considerations in configuration of a master station
VFD Smart Drive Technology Saving Electric Motor Energy
Electric Motors Use 70% of the World’s Power
■ We impact that load 30 – 50%
■ Savings can be as much as 20% to 30% on the overall bill
■ Look for 1hp and above operating at least 2,000 hrs/yr
VFD Smart Drive Technology Saving Electric Motor Energy
Electric Motors Use 70% of the World’s Power
■ We impact that load 30 – 50%
■ Savings can be as much as 20% to 30% on the overall bill
■ Look for 1hp and above operating at least 2,000 hrs/yr
Field Instrumentation
Basic terms related to temperature
Different scales conversion
Basic temperature measuring techniques
RTD’s and its application
Thermocouples and their applications
Comparison between RTDs and Thermocouples
State the effect on the indicated temperature for failures, open circuits, and short
circuit
Field Instrumentation
Basic terms related to temperature
Different scales conversion
Basic temperature measuring techniques
RTD’s and its application
Thermocouples and their applications
Comparison between RTDs and Thermocouples
State the effect on the indicated temperature for failures, open circuits, and short
circuit
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