Abstract
This paper presents an experience in the design and implementation of the condition-monitoring system for the synchronous generators whose primary purpose is to record data for the identification of the capability limits of the P–Q diagram of three generators in hydro power-plant. Paper presents details about the monitoring system, the underlying theory of the identification of the synchronous generator model with a focus on the calculation of the capability limits in the P–Q diagram. Furthermore, a computationally efficient method for the representation of capability limits suitable for the implementation within the industrial automation and control system of the power-plant is described in detail. Finally, the capability diagrams for three generators were implemented in the power-plant supervisory control and data acquisition system (SCADA) system.
Highlights
This paper presents an experience in the design and implementation of the condition-monitoring system for the synchronous generators whose primary purpose is to record data for the identification of the capability limits of the P–Q diagram of three generators in hydro power-plant
The voltage control in the power systems is achieved by reactive power control with units such as capacitor banks, shunt reactors, thyristor switched capacitors (TSC), thyristor switched reactors (TSR) and synchronous generators
This paper presents an experience in the design and implementation of the condition-monitoring system for the synchronous generators whose primary purpose is to collect data for the identification of the capability limits of the P–Q diagram of three generators in hydro power-plant
Summary
The voltage control in the power systems is achieved by reactive power control with units such as capacitor banks, shunt reactors, thyristor switched capacitors (TSC), thyristor switched reactors (TSR) and synchronous generators. An accurate steady-state model that incorporates magnetic saturation and the cross-magnetization effect of the synchronous generator is presented in [58] and will be adopted here for the calculation of the capability limits in the P–Q diagram. This paper presents an experience in the design and implementation of the condition-monitoring system for the synchronous generators whose primary purpose is to collect data for the identification of the capability limits of the P–Q diagram of three generators in hydro power-plant. Paper presents details of the monitoring system and underlying theory of the identification of the synchronous generator model with the focus on the calculation of the capability limits. The third section presents the measured data and identification of the steady-state models for each of the synchronous generators in the power plant. At the end of the paper, there is an appendix with the list of all relevant equipment used for the implementation of this condition-monitoring system
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