Ensaios de Transformador Trifásico na Prática: Vazio e Curto-Circuito!

Three-Phase Transformer Testing in Practice: No-Load and Short-Circuit.

How to perform tests on three-phase distribution transformers? See in the laboratory.

00:00 INTRODUCTION
00:25 Didactic Bench Transformer
03:35 How to make the connections
08:20 Two-Wattmeter Method
10:12 NO-LOAD TEST connections
12:52 NO-LOAD TEST MEASUREMENTS
14:28 Why Negative Power?
15:49 SHORT-CIRCUIT test connections and measurements
18:17 Final Table