Fig. L1 – Current vector diagram (DB422580)
Fig. L2 – Power vector diagram (DB422581)
Fig. L4 – Calculation power diagram (DB422582)
Fig. L5 – An electric motor requires active power P and reactive power Q from the power system (DB422583)
Fig. L6 – Power consuming items that also require reactive energy (DB422584)
Fig. L9 – Showing the essential features of power-factor correction
-
(DB422585_EN) -
(DB422586_EN) -
(DB422587_EN)
Fig. L10 – Diagram showing the principle of compensation: Qc = P (tan φ - tan φ’) (DB422588)
Fig. L11 – Example of fixed-value compensation capacitors (PB116795)
Fig. L12 – Example of automatic-compensation-regulating equipment (PB116796)
Fig. L13 – The principle of automatic-compensation control (DB422589_EN)
Fig. L14 – Global compensation (DB422590_EN)
Fig. L15 – Compensation by sector (DB422591_EN)
Fig. L17 – Reduction of declared maximum kVA by power-factor improvement (DB422592)
Fig. L19 – Compensation Q allows the installation-load extension S2 to be added, without the need to replace the existing transformer, the output of which is limited to S (DB422593)
Fig. L20 – Transformer reactances per phase (DB422594_EN)
Fig. L21 – Reactive power absorption by series inductance (DB422595_EN)
Fig. L23 – Overcompensation of load to completely compensate transformer reactive-power losses (DB422596_EN)
Fig. L24 – Before compensation, the transformer supplies all the reactive power; after compensation, the capacitor supplies a large part of the reactive power (DB422597_EN)
Fig. L27 – Connection of the capacitor bank to the motor (DB422598)
Fig. L28 – Technical-economic comparison of an installation before and after power-factor correction (DB422599_EN)
Fig. L29 – Simplified circuit diagram (DB422600_EN)
Fig. L30 – Simplified circuit diagram (DB422601_EN)
Fig. L31 – Simplified circuit diagram (DB422602_EN)
Fig. L35 – Illustration of self-healing phenomena (DB422603_EN)
Fig. L36 – Cross-section view of a three-phase capacitor after Pressure Sensitive Device operated: bended lid and disconnected wires (DB422604)
