Fig. M1 – Examples of distorted current waveforms (DB422610)
Fig. M2 – Example of a current containing harmonics and expansion of the overall current into its harmonic orders 1 (fundamental), 3, 5, 7 and 9 (DB422611_EN)
Fig. M3 – Single-line diagram showing the impedance of the supply circuit for a non-linear load (DB422612_EN)
Fig. M4 – Split of circuit into fundamental and harmonic circuits (DB422613_EN)
Fig. M5 – Flow of harmonic currents in a distribution network (DB422614_EN)
Fig. M6 – Variation of λ/cosφ as a function of THDi, for THDu ~ 0 (DB422615)
Fig. M7 – Typical current waveform of a compact fluorescent lamp (DB422616)
Fig. M8 – Typical voltage waveform in case of high impedance line supplying non-linear loadsypical current waveform of a compact fluorescent lamp (DB422617)
Fig. M9 – Harmonic spectrum for a rectangular signal U(t)
(DB422618a)
(DB422618b)
Fig. M11 – Implementation of a digital Power Quality recorder win a cabinet (PB116800)
Fig. M12 – Example of Power and Energy meter (PB116801)
Fig. M13 – Example of electronic trip units of circuit breakers providing harmonic related information
(PB116047-4)
(PB116184-45)
(PB116804)
Fig. M14 – Diagram of an installation (DB422619_EN)
Fig. M15 – Equivalent diagram of the installation shown in Figure M14 (DB422620)
Fig. M16 – Illustration of parallel resonance (DB422601_EN)
Fig. M17 – Reduced circulation of harmonic currents with detuned reactors (DB422602_EN)
Fig. M18 – Increase in rms current and Joule losses as a function of the THD (DB422623_EN)
Fig. M19 – Derating required for a transformer supplying electronic loads (DB422624_EN)
Fig. M20 – Flow of currents in the various conductors connected to a three-phase source (DB422625_EN)
Fig. M21 – Example of the currents flowing in the various conductors connected to a three-phase load (In = Ir + Is + It) (DB422626)
Fig. M22 – Loading of the neutral conductor based on the 3rd harmonic ratio (DB422627)
Fig. M24 – Non-linear loads positioned as far upstream as possible (recommended layout) (DB422628_EN)
Fig. M25 – Grouping of non-linear loads and connection as far upstream as possible (recommended layout) (DB422629_EN)
Fig. M26 – Supply of non-linear loads via a separate transformer (DB422630_EN)
Fig. M27 – A Dyd transformer blocks propagation of the 5th and 7th harmonics to the upstream network (DB422631)
Fig. M28 – Operating principle of a passive filter (DB422632_EN)
Fig. M29 – Operating principle of an active filter (DB422633_EN)
Fig. M30 – Operating principle of a hybrid filter (DB422634_EN)
Fig. M31 – Example of MV passive filter equipment (PB116805)
Fig. M32 – Active Harmonic Conditionner (AccuSine range) (PB116806)
