Course preview for "Power Quality" at PITS< Thanjavur

1. POWER QUALITY
EE1005
IV YEAR
Eight Semester
ELECTIVE-IV
11/29/2011 Praveen /EEE 1

2. POWER QUALITY EE1005
OBJECTIVES:
1. what is power quality
2. Factors affecting the power quality, causes and
methods to alter the factors for optimum power
quality.
3. Measurement techniques.
4. Tools such as PSCAD and its implementation.
5. Monitoring power line disturbances
11/29/2011 Praveen /EEE 2

3. POWER QUALITY SYLLABUS EE1005
UNIT I INTRODUCTION TO POWER QUALITY
UNIT- 1
Power Quality
UNIT-2 •Overloading, Under voltage
•Sags and Swells, Total Harmonic
UNIT-3 Distortion (THD), Waveform distortion
•Sustained
UNIT-4
interruption
•CBEMA curve
UNIT-5
11/29/2011 Praveen /EEE 3

4. POWER QUALITY EE1005
UNIT II VOLTAGE SAGS AND INTERRUPTIONS
UNIT-1
•Sources of sags and interruptions
Estimating voltage sag performance
UNIT-2
•Motor starting sags, Estimating the sag
UNIT-3 severity,
•Mitigation of voltage sags
UNIT-4 1. Active series compensators
2. Static transfer switches and fast
UNIT-5 transfer switches
11/29/2011 Praveen /EEE 4

5. POWER QUALITY EE1005
UNIT III OVERVOLTAGES
UNIT-1
•Sources of over voltages
Capacitor switching
UNIT-2 Lightning
Ferro resonance
UNIT-3 •Mitigation of voltage swells
Surge arresters, Power conditioners
UNIT-4 •Lightning protection, Protection of
transformers and cables
UNIT-5 •PSCAD and EMTP
11/29/2011 Praveen /EEE 5

6. POWER QUALITY EE1005
UNIT IV HARMONICS
UNIT-1
•Harmonic distortion, indices & sources
•Voltage and current distortion
UNIT-2
•Power system
UNIT-3 response
Characteristics
UNIT-4 •Harmonic distortion
evaluation and correction
UNIT-5 •IEEE and IEC standards
11/29/2011 Praveen /EEE 6

7. POWER QUALITY EE1005
UNIT-1 UNIT V POWER QUALITY MONITORING
•Monitoring considerations
UNIT-2 •Power quality measurement equipment
Harmonic / spectrum analyzer
UNIT-3 Flicker meters
Disturbance analyzer
UNIT-4
•Applications of expert system for power
UNIT-5
quality monitoring
11/29/2011 Praveen /EEE 7

8. POWER QUALITY EE1005
APPLICATIONS:
DATA CENTER
MEDICAL/HOSPITAL
BROADCASTING
11/29/2011 Praveen /EEE 8

9. POWER QUALITY EE1005
TOOLS
FREQUENCY
ANALYSER
HARMONIC
ANALYSER
11/29/2011 Praveen /EEE 9

10. POWER QUALITY EE1005
TEXT BOOK
REFERENCE
PSCAD USER
MANUAL
11/29/2011 Praveen /EEE 10

11. POWER QUALITY EE1005
ASSIGNMENT TOPICS
1. Terms and Definitions
2. Estimation of Sag Performance and motor Starting sags
3. Sources of Over voltages
Lightning Protection
4. Resonance
Harmonic/ Spectrum Analyzer
SEMINARS
1. Mitigation of Voltage Sags
2. Harmonic sources from industrial and commercial Loads
3. Power Quality Measuring Equipment
11/29/2011 Praveen /EEE 11