GFD233A103OLTC 阶跃补偿，实现平稳的过程控制,IDC 电流阶跃补偿，用于在阶跃升压时实现平稳的电流变化,IDC 电流阶跃补偿，在升压时实现平稳的电流变化
- 通过 OLTC 进行功率因数补偿 - 可包括预测性维护功能 - 软件保护包，包括 - 直流过流保护 - 交流过压和欠压保护 - 交流相位不平衡保护 - 12 脉冲系统不平衡保护
系统不平衡保护
- 直流接地故障检测可采用 3 伏电压表
方法
- 具有 SIL 3 级的过程脉冲块回路 - 在输入电压骤降时的电压穿越
电压骤降时的电压穿越
电解工业（铜和锌）： - IDC 电流阶跃补偿
电流变化
- 直流过电流保护 - 交流过压和欠压保护 - 交流相位不平衡保护 - 12 脉冲系统不平衡保护
系统
- 并联整流器的主直流电流控制
单元
- 启动期间的直流开环检测 - 运行期间的直流开环保护
ABB控制器 GFD233A103 通过光链路实现快速通信
GFD233A103 DC power supplies for graphite electrode plants The graphitisation process demands a large variation of voltage and current from the DC power supply. • Constant DC power suppy for the process irrespective of changing process resistance - Possible due to the very fast cycle times of AC 800PEC controller. • Customer tailed process recipes can be added and modified from the operator panel in order to meet the specific customer requirements. • After adding the corresponding recipes, the rectifier follows the predefined DC current, DC voltage and maximum allowed power set points, including all necessary graphitisation specific protection functions.DCS (Distributed Control System) • Processing cycle times down to 1 ms • Use of slow I/O • Programming in Control Builder HMI (Human Machine Interface) • Processing cycle times down to 1 ms • Use of slow and fast I/O • Programming of interface in Control Builder • Nearly all common field busses supported • Hardware time stamping ailable upon request PLC (Programmable Logic Controller) • Processing cycle times down to 1 ms • Use of fast and slow I/O • Programming in Control Builder.
GFD233A103
PCD23***101
PCD530A102 3BHE041343R0102
PCD244A101
PCD237A101 3BHE028915R0101
PCD235B1101 3BHE032025R1101
PCD231B101 3BHE025541R0101
PCD230A101 3BHE022291R0101
PCD23***101 3BHE032025R0101
PCD235B101 3BHE032025R0101
PCD230A
PC D230
PC D231 B
PC D530 A102
KSD211B
PPD113
PPD113B03-26-100110 3BHE023584R2634
PPD113B01-10-150000 3BHE023784R1023
PPD113-B03-23-111615
PP D113 B01-20-111000
PP D113 B01-23-111000
PP D113 B01-26-111001
PP D113 B01-25-111001
PPD113B03-26-100100 3BHE023584R2625
PPD113B01-10-150000
PDD500A101
PDD20***1121
PDD200A101
ABB控制器 GFD233A103 通过光链路实现快速通信
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