PureWave DSTATCOM^® Distributed Static Compensator

Introduction

S&C's PureWave DSTATCOM Distributed Static Compensator Protects and Fixes Utility System Problems

The PureWave DSTATCOM protects the utility transmission or distribution system from voltage sags and/or flicker caused by rapidly varying reactive current demand. In utility applications, a PureWave DSTATCOM provides leading or lagging reactive power to achieve system stability during transient conditions. Its small size and modular packaging make it ideal for installation in substations and it can be relocated as system conditions change.

The PureWave DSTATCOM can also be applied to industrial facilities to compensate for voltage sag and flicker caused by non-linear dynamic loads, enabling such problem loads to co-exist on the same feeder as more sensitive loads. The PureWave DSTATCOM instantaneously exchanges reactive power with the distribution system without the use of bulky capacitors or reactors.

In most applications, a PureWave DSTATCOM can use its significant short-term transient overload capabilities to reduce the size of the compensation system needed to handle transient events. The short-term overload capability is up to 325% for periods of 1 to 3 seconds, which allows applications such as wind farms and utility voltage stabilization to optimize the system's cost and performance. The PureWave DSTATCOM controls traditional mechanically switched capacitors to provide optimal compensation on a both a transient and steady-state basis.