R911190292 POWER STAGE HVE04.2-W075N/S202

R911190296 POWER STAGE
HVE04.2-W075L/S201
R911271018 POWER STAGE
HVE02.1-W018N
R911273197 POWER STAGE
HVE03.1-W030N
R911280031 POWER STAGE
HVE02.2-W018N
R911280542 POWER STAGE
HVE03.2-W030N
分类:

Description

在机组启动时通过启/备变向厂用负荷供电;在机组正常用电时,由厂变供电并经低压厂变向400VMCC低压负荷供电以启动机组所必需的辅机;在厂用电消失时,为了保护设备和系统的安全,厂用电快切装置应快速将厂用工作负荷自动切换至启/备变;当确认保安段母线失压后,应启动事故备用柴油机供电以保证设备安全。

依据以上控制水平的要求,电气监控纳入DCS技术的要求是:

(1)发电机系统能实现程序控制和软手操控制使发电机由零起升速、升压直到并网带初始负荷。

(2)厂用电系统能按启动/停止阶段和正常运行阶段的要求程序控制和软手操来实现。

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