三相平衡节电器在某星级酒店的应用

本文涉及某星级酒店供配电系统中变压器的节能改造,一般酒店的供配电系统往往存在三相不平衡、功率因数低等电能质量问题,不仅造成线损的损耗大,而且对空调、电梯、照明等用电系统的使用效率有一定影响。通过对配电变压器进行高效三相平衡节电器节能改造后,能够提升变压器负载设备运行效率,有效降低线路损耗,改善电能质量节省电能,实现综合节电8%-12%的目标。本文针对三相平衡节电器的节电原理、节能改造方案设计的可靠性、经济性等内容进行了重点阐述。

An Introduction Effect Evaluation Tool for Distributed Generators

This paper presents practical distribution system equipment models such as various distributed generators, voltage regulators, and loads for fast three phase unbalanced load flow calculation in distribution systems. The method can calculate voltage and current of distribution systems, in which distributed generators are introduced. The calculation time of the proposed method is about 40 times faster than that of the Newton-Raphson method. Moreover, an introduction effect evaluation tool for distributed generators using the proposed three phase unbalanced load flow calculation is presented. It provides various functions such as a power system network diagram creation function and a voltage profile chart display function. Therefore, the introduction effect evaluation of distributed generators in distribution systems can be evaluated quite easily.