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This robust controller design makes use of the H optimization technique for thyristor-controlled series compensation (TCSC) to improve the damping of inter-area oscillations in power systems. The controller's performance has been evaluated on a two-area four-machine power system using a PSCAD/EMTDC simulation package.
The paper studies the microwave desulfurization of coal. Topics discussed include: (1) di-electrical property vs microwave desulfurization; (2) combined desulfurization by microwave irradiation and acid washing; and (3) role of microwave irradiation in coal desulfurization with fused caustic alkali.
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