2. Compensation using IGBT-based static devices (STATCOM)

2.1 CHB (Cascaded H Bridge) topology

Today's technological developments mean that solutions based on IGCT and IGBT blockable DC voltage intermediate circuit converters are now technically and economically viable for high power ratings. For low and medium power ratings, solutions based on active filters are available. Here, we will only deal with high-power topologies. These converters are of the CHB (Cascaded H Bridge) type. Figure 34 shows the structure of an elementary bridge called a submodule (SM). Each sub-module can produce a positive voltage + U _sm , or a negative voltage – U _sm or zero...

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Compensation using IGBT-based static devices (STATCOM)

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Mixed or hybrid solutions

Bibliography

(1) - BOIDON (C.), BOIDIN (M.) - Reactive power static compensation and harmonic filtering in metal industry plan. - Second IFAC Symposium (1977).
(2) - BOIDON (C.), DROUIN (G.) - Les systèmes de compensation statiques dans les réseaux industriels....

Standards and norms

In the words of the IEC, slightly modified for the occasion: "All normative documents are subject to revision, and the reader is invited to seek out the possibility of applying the most recent editions of the normative documents indicated below. IEC and ISO members hold the register of International Standards currently in force".