T/CPSS 1011-2023 The technical specifications for flexible direct current power supply equipment used in electric arc furnaces

Scope

Scope: This document specifies the terms and definitions, usage conditions, system configuration and design principles, technical requirements, test requirements and methods, inspection rules, operation and maintenance requirements, marking, packaging, transportation, and storage of flexible DC power supply devices (hereinafter referred to as flexible DC power supply devices) for electric arc furnaces. This document is applicable to high-power flexible DC power supply devices with a power rating of megawatts or above, which can meet the requirements of high reliability, high stability, and high energy conversion efficiency for direct current arc furnace smelting processes in the metallurgical industry. The flexible DC power supply devices described in this document adopt fully controlled power semiconductor devices represented by Insulated Gate Bipolar Transistors (IGBTs). This document is not applicable to high-power DC power supply devices in the metallurgical industry that use non-fully controlled devices such as thyristors as components. Main technical contents: This document specifies the terms and definitions, usage conditions, system configuration and design principles, technical requirements, test requirements and methods, inspection rules, operation and maintenance requirements, marking, packaging, transportation, and storage of flexible DC power supply devices (hereinafter referred to as flexible DC power supply devices) for electric arc furnaces.

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