Русский
NTC-10.13 “Electrical measurements at substations and stations”
Br0.00
The educational laboratory stand is designed for use as training equipment in higher education institutions, secondary specialized schools, and vocational-technical colleges during laboratory and practical lessons for the course “Electrical Measurements at Power Plants and Substations.” It provides comprehensive measurement of AC parameters in electrical networks using various instruments and methods. This includes measuring current with a panel ammeter both through direct connection and via current measurement transformers, as well as measuring voltage with a panel analog voltmeter and a digital voltmeter depending on the connection method. The parameters of alternating voltage are studied using a digital panel frequency meter, connected directly and through a voltage transformer. Active power in a three-phase network is measured with an analog wattmeter, connected via current and voltage transformers, and the power factor is determined under similar conditions. Digital multifunctional measurement devices are used to determine voltages, currents, powers, power factors, and frequencies in three-phase networks with direct connection. Additionally, active and reactive energy in a three-phase AC system is measured using an electronic meter through transformers. An important aspect of the research involves determining measurement errors of current and voltage transformers to ensure measurement accuracy.
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