Home
Back
3 Phase Heater Kw Formula:
| From: | To: |
The 3 Phase Heater Kw Calculation estimates the power consumption of a three-phase heating system using voltage and current measurements. It provides an accurate assessment of electrical power in kilowatts for balanced three-phase systems.
The calculator uses the 3 Phase Power formula:
Where:
Explanation: The formula calculates the real power in a balanced three-phase system by accounting for the phase relationship between voltage and current.
Details: Accurate power calculation is crucial for sizing electrical components, determining energy consumption, calculating operating costs, and ensuring system safety and efficiency in three-phase heating applications.
Tips: Enter line-to-line voltage in volts, line current in amperes. All values must be valid (voltage > 0, current > 0). The calculator assumes a balanced three-phase system.
Q1: Why is the √3 factor used in three-phase calculations?
A: The √3 factor accounts for the phase difference in three-phase systems, converting between line and phase quantities in balanced systems.
Q2: What is the difference between line and phase voltage?
A: Line voltage is measured between any two lines, while phase voltage is measured between a line and neutral. In star systems, line voltage = √3 × phase voltage.
Q3: Can this formula be used for unbalanced three-phase systems?
A: No, this formula is for balanced three-phase systems only. Unbalanced systems require more complex calculations considering each phase separately.
Q4: Why divide by 1000 in the formula?
A: Dividing by 1000 converts the result from watts to kilowatts (1 kW = 1000 W), which is a more practical unit for larger power systems.
Q5: What are typical applications of three-phase heaters?
A: Three-phase heaters are commonly used in industrial applications, commercial heating systems, large water heaters, and process heating where higher power levels are required.