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Based on a vivid simulation training environment, substation secondary circuit simulation system can improve the training effect for substation operation. During practical training, some virtual measurement instruments have to be used. It is necessary to discuss the technology implementation of virtual measurement system of substation secondary simulation circuit. The model of virtual digital multimeter...
This paper describes a new approach that led to the development of a fully distributed state estimator, named the SuperCalibrator (SC). The SC is a three-phase state estimator that operates at the substation level and requires at least one PMU at each substation. The computed substation state estimate is transferred to the control center where the overall system state is synthesized from the substation...
The paper briefly summarizes the classification of three-phase electric systems and explains the Fortescue theory. It also includes a description of measuring apparatus, created with the use of virtual instrumentation, which was used for measurements at a railway transformer substation. The paper includes the results of unbalance measurements at the transformer substation of Railway Infrastructure...
This paper is focused on implementing an online monitoring system that checks power facility status by applying network based technology to Urban Transit substation power facilities and the results of its on-field tests. This system is composed of a sensor part, a measurement part, a transceiver part, a host computer, and a power source part. The system is designed to collect, save, analyze, and display...
This paper mainly introduces a digital detecting system of the dielectric loss in the capacitive equipment based on virtual instruments. This system can real-time collect, analyze, process and storage electrical signals with National Instruments' program LabVIEW and ADLINK's DAQ board. Through the simulation test in lab and the real test in electric substation, it is shown that this system has high...
Transelectrica is the Romanian Transmission System Operator (TSO) and the Metering Operator of the Wholesale Electricity Market (WEM). It is deploying a nationwide Power Quality Monitoring System (PQMS). The PQMS has been operational since October 2005. The paper presents preliminary measurements results obtained from PQMS. The first part of the paper provides a description of the Power Quality (PQ)...
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