Power Quality Considerations for Energy Efficiency Retrofits PQ-111

Here are some highlights:

• Replacing motor starter with adjustable speed motor drive
• LED/high-efficiency lighting upgrade

For maximum benefit of this course, participants should have an understanding of basic electrical principles such as Ohms law, power, electrical metering, motors, and general electrical equipment and systems and a working knowledge of basic algebra.

This course is applicable to electrical industry professionals serving either industrial or commercial environments. For maximum benefit of this course, participants should have an understanding of basic electrical principles such as Ohms law, power, electrical metering, motors, and general electrical equipment and systems and a working knowledge of basic algebra. (4 PDH)

Power Quality for Energy Efficiency Retrofits (PQ-111)

Course Outline – 4-hour seminar

Efficient & Effective use of Electricity [30 minutes]

Efficient vs effective use of electricity

Common energy efficiency improvements

Preparing for energy efficiency improvements

Evaluate power factor

Beware: false energy savers

2. Convert (across-the-line) Motors to VFDs [60 minutes]

Potential benefits of VFDs

Fan/pump affinity laws = energy savings

Improved displacement power factor

Power quality concerns for VFDs

Harmonic distortion

Effects on other equipment (ie: Power factor capacitors)

Harmonic resonance

Detuned PF capacitors

Estimation of Power factor capacitor needs

Estimation of current distortion

3. Example

(Chiller) Motor starter to VFD retrofit

Best practices when converting to VFDs

4. Lighting Retrofits

Typical power quality for LED & CFL [30 minutes]

Harmonic current distortion

Examples of Lamp waveforms

Comparison of various 60W equivalent lamps

LED driver measurements

Potential Problems [30 minutes]

Harmonic distortion

Neutral current (3P,4W systems)

Remedies for improved power quality

Examples [60 minutes]

267 sconces being converted to CFL

Factory lighting conversion

Office building VFD and LED retrofit

Telephone Data-center (time permitting)

Troubleshooting & Best Practices

Brought to you by Power Quality Specialists @ Allied Industrial Marketing, Inc.

Host or Publisher Allied Industrial Marketing