1. Voltage characteristics of electricity supplied by public distribution systems;EN 50160,2010
2. IEC 61000-4-7, Electromagnetic compatibility (EMC) – Part 4-7: testing and measurement techniques – general guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto; 2008.
3. IEC 61000-4-30. Electromagnetic compatibility (EMC) – Part 4-30: testing and measurement techniques – power quality measurement methods; 2015.
4. IEEE recommended practices and requirements for harmonic control in electrical power systems;IEEE Std. 519-2014,2014
5. IEEE recommended practice for monitoring electric power quality;IEEE Std. 1159-2009,2009