← 返回
拓扑与电路 储能变流器PCS 功率模块 储能系统 ★ 4.0

基于旁路双向晶闸管-电容抑制器的低压固态直流断路器设计

Low-Voltage Solid State DCCB Design Based on Bypassed Bidirectional Thyristor-Capacitor Suppressor

语言:

中文摘要

本文提出了一种新型双向晶闸管-电容技术,用于低压固态直流断路器(SS-DCCB),旨在有效切断直流电流并抑制浪涌。该方法利用并联缓冲电容吸收开关瞬态能量,并在后续操作中释放存储能量,提升了直流保护的可靠性与效率。

English Abstract

This article introduces a novel technique known as bidirectional thyristor capacitor designed to interrupt dc currents effectively and mitigate power surges in low-voltage (LV) solid-state dc circuit breakers (SS-DCCB). The method employs parallel snubber capacitors to absorb switching effects, subsequently releasing stored energy during the subsequent switch operation. The model incorporates cons...
S

SunView 深度解读

该技术对阳光电源的储能系统(如PowerTitan、PowerStack)及直流微电网解决方案具有重要意义。随着储能系统直流侧电压等级的提升,直流侧故障保护与浪涌抑制成为提升系统安全性的关键。该拓扑结构可优化PCS内部直流母线的保护机制,减少对传统机械断路器的依赖,提升响应速度。建议研发团队评估该晶闸管-电容抑制器在模块化储能单元直流侧的应用潜力,以增强系统在极端工况下的故障隔离能力,进一步提升产品在工商业及电网侧储能市场的安全性与竞争力。