ETB-131 (Model Power & Power Factor in Series LCR Circuits using single phase w

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Overview
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ETB-131 – Power & Power Factor in Series LCR Circuits using Single Phase Wattmeter with Power Supply is an educational trainer developed to study the true power, apparent power, and power factor in series RLC (Resistor-Inductor-Capacitor) circuits under AC supply conditions.

This model allows students to understand how inductive and capacitive elements affect current, voltage phase relationships, and overall circuit performance. Using a single-phase wattmeter, learners can calculate real power and power factor of the circuit at different frequencies and configurations. It is a critical tool for electrical and electronics engineering students focusing on AC circuit analysis, reactive power, and energy measurement.

Key Features:

Demonstrates power and power factor measurement in series LCR circuits
Utilizes single-phase wattmeter and built-in AC power source
Adjustable resistance (R), inductance (L), and capacitance (C) values
Enables study of resonance and phase relationships
Clear front panel layout with safe test points for voltage, current, and power measurements
Suitable for power systems, electrical machines, and basic circuit theory labs