发明申请
US20150155712A1 MULTI-LEVEL MEDIUM VOLTAGE DATA CENTER STATIC SYNCHRONOUS COMPENSATOR (DCSTATCOM) FOR ACTIVE AND REACTIVE POWER CONTROL OF DATA CENTERS CONNECTED WITH GRID ENERGY STORAGE AND SMART GREEN DISTRIBUTED ENERGY SOURCES
有权
![MULTI-LEVEL MEDIUM VOLTAGE DATA CENTER STATIC SYNCHRONOUS COMPENSATOR (DCSTATCOM) FOR ACTIVE AND REACTIVE POWER CONTROL OF DATA CENTERS CONNECTED WITH GRID ENERGY STORAGE AND SMART GREEN DISTRIBUTED ENERGY SOURCES](/abs-image/US/2015/06/04/US20150155712A1/abs.jpg.150x150.jpg)
基本信息:
- 专利标题: MULTI-LEVEL MEDIUM VOLTAGE DATA CENTER STATIC SYNCHRONOUS COMPENSATOR (DCSTATCOM) FOR ACTIVE AND REACTIVE POWER CONTROL OF DATA CENTERS CONNECTED WITH GRID ENERGY STORAGE AND SMART GREEN DISTRIBUTED ENERGY SOURCES
- 专利标题(中):多级中压电压数据中心静态同步补偿器(DCSTATCOM)用于与数据中心进行有源和无功功率控制,与数据中心连接,具有能量储存和智能绿色分布式能源
- 申请号:US14481904 申请日:2014-09-09
- 公开(公告)号:US20150155712A1 公开(公告)日:2015-06-04
- 发明人: Subrata K. Mondal
- 申请人: Inertech IP LLC
- 主分类号: H02J3/06
- IPC分类号: H02J3/06 ; H02J7/06 ; H02J3/18
摘要:
Systems and methods for supplying power (both active and reactive) at a medium voltage from a DCSTATCOM to an IT load without using a transformer are disclosed. The DCSTATCOM includes an energy storage device, a two-stage DC-DC converter, and a multi-level inverter, each of which are electrically coupled to a common negative bus. The DC-DC converter may include two stages in a bidirectional configuration. One stage of the DC-DC converter uses a flying capacitor topology. The voltages across the capacitors of the flying capacitor topology are balanced and switching losses are minimized by fixed duty cycle operation. The DC-DC converter generates a high DC voltage from a low or high voltage energy storage device such as batteries and/or ultra-capacitors. The multi-level, neutral point, diode-clamped inverter converts the high DC voltage into a medium AC voltage using a space vector pulse width modulation (SVPWM) technique.
摘要(中):
公开了在不使用变压器的情况下从DCSTATCOM向IT负载提供中压电力(有源和无功)的系统和方法。 DCSTATCOM包括一个能量存储装置,一个两级DC-DC转换器和一个多电平逆变器,每个逆变器都电耦合到一个公共负母线。 DC-DC转换器可以包括双向配置的两个阶段。 DC-DC转换器的一个阶段使用飞跨电容拓扑结构。 通过固定占空比操作,飞跨电容拓扑的电容器两端的电压平衡,开关损耗最小化。 DC-DC转换器从诸如电池和/或超电容器的低或高电压能量存储装置产生高直流电压。 多电平中性点二极管钳位逆变器使用空间矢量脉宽调制(SVPWM)技术将高直流电压转换为中等交流电压。
公开/授权文献:
IPC结构图谱:
H | 电学 |
--H02 | 发电、变电或配电 |
----H02J | 供电或配电的电路装置或系统;电能存储系统 |
------H02J3/00 | 交流干线或交流配电网络的电路装置 |
--------H02J3/04 | .用于连接以相同频率但由不同电源供电的网络 |
----------H02J3/06 | ..相连网络之间电力转换的控制;相连网络之间负荷分配的控制 |