Two watt meters are used to measure the power in a three-phase balanced system. when both the A1 meters read equal and the power factor is a) 0.5 b) 0.866 c) 1 d) 0

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Q: three phase converter has a rating of 600 kW when operating at unity power factor. Neglecting any ch...

A: We need to find rating at given power factor

KVL and KCL

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.