Real Power for Constant Load Current Calculator

Real Power Full Converter Formula:

\[ P(full) = V_L(full) \times I_L(full) \times \cos(\alpha_{full}) \]

Load Voltage Full Converter:

Volt

Load Current Full Converter:

Ampere

Firing Angle Full Converter:

Radian

Real Power Full Converter:

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is the Real Power Full Converter Formula?

The Real Power Full Converter formula calculates the average power in watts delivered to a load in a full converter based circuit. It represents the actual useful power dissipated by the load, taking into account the voltage, current, and firing angle.

2. How Does the Calculator Work?

The calculator uses the Real Power Full Converter formula:

\[ P(full) = V_L(full) \times I_L(full) \times \cos(\alpha_{full}) \]

Where:

\( P(full) \) — Real Power Full Converter (Watt)
\( V_L(full) \) — Load Voltage Full Converter (Volt)
\( I_L(full) \) — Load Current Full Converter (Ampere)
\( \alpha_{full} \) — Firing Angle Full Converter (Radian)

Explanation: The formula calculates the actual power delivered to the load by multiplying the load voltage, load current, and the cosine of the firing angle, which accounts for the phase relationship between voltage and current.

3. Importance of Real Power Calculation

Details: Accurate real power calculation is essential for determining the actual power consumption in electrical systems, optimizing energy efficiency, and designing appropriate power delivery systems in full converter circuits.

4. Using the Calculator

Tips: Enter load voltage in volts, load current in amperes, and firing angle in radians. All values must be valid positive numbers (voltage > 0, current > 0).

5. Frequently Asked Questions (FAQ)

Q1: Why is the cosine function used in the formula?
A: The cosine function accounts for the phase difference between voltage and current caused by the firing angle, which affects the actual power delivered to the load.

Q2: What is the significance of the firing angle?
A: The firing angle determines when the thyristors are triggered to conduct current, affecting the power transfer efficiency and waveform characteristics.

Q3: How does this differ from apparent power?
A: Real power represents the actual useful power consumed, while apparent power includes both real and reactive power components.

Q4: What are typical applications of full converters?
A: Full converters are commonly used in DC motor drives, battery charging systems, and power supplies where controlled power delivery is required.

Q5: How does load current affect real power calculation?
A: Higher load current directly increases the real power delivered to the load, assuming constant voltage and firing angle.