Performance Evaluation of a MW-Class SMES-BES DVR System for Mitigation of Voltage Quality Disturbances

ABSTRACT:

Performance evaluation of a MW-class dynamic voltage restorer (DVR) framework are exhibited for mitigation of voltage quality unsettling influences. A presag remuneration technique is acquainted with bolt the momentary extents and stage edges of continuous line voltages, and therefore to repay the ill-advised voltage parts precisely after symmetrical or deviated voltage unsettling influences. A 0.3-H/1.76-kA superconducting magnetic energy storage (SMES) magnet is utilized to coordinate with traditional battery energy storage (BES) device for building up a high performance energy storage (HES) framework.

In the SMES-BES HES-based DVR framework, the SMES can remunerate the most noticeably awful voltage droop for five cycles (1 MW, 100 ms, and retain the most astounding voltage swell for six cycles (1 MW, 120 ms). The accessorial high-limit BES gadget is along these lines released or charged for enduring long-term relief activities. Different recreation cases as to joined voltage droop, swell, and symphonious aggravations are completed. The recreations and correlations among the SMES-based, BES-based, and HES-based DVR plans have shown that the HES-based DVR conspire incorporates the benefits of quick reaction speed and high-control thickness from the SMES-based plan, and the benefits of low capital cost and high-vitality thickness from the BES-based plan

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