1. Understanding Power Quality Problems: Voltage Sags and Interruptions;Bollen,1999
2. Power Quality Customer Financial Impact/Risk Assessment Tool, B.C. Hydro, March 2005.
3. IEC, Assessment of Emission Limits for Distorting Loads in MV and HV Power Systems, IEC 61000-3-6, 1996.
4. IEC, Assessment of Emission Limits for Fluctuation Loads in MV and HV Power Systems, IEC 61000-3-7, 1996.
5. IEC General Guide on Harmonics and Interharmonics Measurements and Instrumentation for Power Supply Systems and Equipment Connected Thereto, IEC 61000-4-7, 2002.