# 3 Phase Power by Two Wattmeters Method Calculator

3 Phase Power Calculator with Two Wattmeter Method is a tool that facilitates 3-phase power measurement with two wattmeter method, a method widely used in industrial electrical systems.

3 Phase Power Calculator with Two Wattmeter Method is a tool that facilitates 3-phase power measurement with two wattmeter method, a method widely used in industrial electrical systems. This calculator is used to accurately calculate the real and reactive powers in a three-phase system. The two wattmeter method is widely used to evaluate the power consumption and efficiency of transformers, motors, generators and other electrical equipment.

When using the online 3 Phase Power Calculator with Two Wattmeter Method: you can calculate by entering Voltage V12, Current I2, Displacement Angle, Voltage V13 and Current I3 information.

P = (V_{12} * I_{2} * \cos(30 + \theta)) + (V_{13} * I_{3} * \cos(30 - \theta))

where**,**

- P = Three-Phase Power
- V
_{12}Â , V_{13}Â = Voltage - I
_{2}, I_{3}Â = Current - Î¸ = Displacement Angle
- cos = Cosine

Table of contents:

## How to Calculate 3 Phase Power with Two Wattmeter Method?

3 Phase Power Calculation with Two Wattmeter Method is a method used to accurately measure real and reactive powers from a three-phase electrical system. The two wattmeter method uses two wattmeters to measure the powers in a 3-phase system and the sum of the powers measured by these wattmeters provides the real and reactive power in the system.

The 3-phase power calculation with the two wattmeter method involves the following steps:

- The first step is to measure the voltage and current of each phase. For this, the voltage and current values in each phase are measured using appropriately selected voltmeters and ammeters.
- Next, the power of each wattmeter is measured. Using two wattmeters, the real and reactive power of each phase is measured.
- The power values measured by the wattmeters are taken and the real and reactive powers in the system are calculated. The two wattmeter method provides the real and reactive powers for both phases separately.
- Finally, the total real power and total reactive power are calculated. The total real power is the sum of the real power of both phases and the total reactive power is the sum of the reactive power of both phases.

With the completion of these steps, the 3-phase power calculation with the two-wattmeter method is completed and the real and reactive power of the system is accurately determined. This information can be used to evaluate the performance of electrical systems, improve their efficiency and achieve power balance.

### What is the Two Wattmeter Method?

The Two Wattmeter Method is a technique used to measure the real and reactive powers in a three-phase electrical system. This method is performed using two wattmeters and the power values measured by these wattmeters are used to calculate the real and reactive power in the system.

The Two Wattmeter Method is widely used in three-phase systems, especially in the presence of asymmetrical loads and unbalanced loads. This method measures the real and reactive power of each phase separately and uses these measurements to obtain the total power.

The Two Wattmeter Method is an important tool in energy analysis and power quality assessments, especially in industrial electrical systems. By providing accurate power measurement even in the presence of asymmetric loads, it helps to evaluate and improve the performance of the system.

### Basic Principles of the Two Wattmeter Method

The Two Wattmeter Method is a technique used to measure real and reactive powers in a three-phase electrical system and is based on the following basic principles:

**Investigation of Asymmetric Loads:**The Two Wattmeter Method is particularly effective in three-phase systems with asymmetrical loads. Asymmetric loads refer to situations where there are different voltage and current values between each phase. In these cases, it is important to measure the real and reactive power of each phase separately.**Positioning of Wattmeters:**Two wattmeters are connected at different points of the three-phase system. One wattmeter is connected between the first and second phase and the other between the second and third phase. This positioning allows to measure the real and reactive power of each phase separately.**Real and Reactive Power Measurement:**Wattmeters measure the real and reactive power between the phases to which they are connected. Real power is calculated by multiplying the voltage and current by the cos(Î¸) factor, while reactive power is calculated by multiplying the voltage and current by the sin(Î¸) factor.**Total Power Calculation:**The sum of the real and reactive powers measured by each wattmeter provides the total real and reactive power in the system. In this way, the total power of the system is accurately determined.

These basic principles explain how the Two Wattmeter Method is used to measure real and reactive powers and how it ensures power balance in the system. This method plays an important role in the analysis of three-phase systems and power quality assessments.

### Uses of 3 Phase Power Calculation with Two Wattmeter Method

3 Phase Power Calculation with Two Wattmeter Method is used in many areas of electrical engineering and industrial applications. Here are some areas where this method is widely used:

**Industrial Power Systems:** The Two Wattmeter Method is widely used in analyzing and monitoring three-phase power systems in industrial facilities. In factories, manufacturing plants and other industrial settings, this method is used to assess the power balance of the three-phase power system.

**Electricity Distribution Networks:** Monitoring and management of electricity distribution networks can be done by 3-phase power calculation with the Two Wattmeter Method. Electricity distribution companies can use this method to monitor the performance of three-phase power systems and reduce power losses.

**Energy Efficiency Assessments:** The Two Wattmeter Method can also be used in energy efficiency assessments. It can be used to analyze energy consumption in industrial plants and commercial buildings and develop energy saving measures.

**Alternative Energy Systems:** Wind power, solar power and other alternative energy systems usually operate with three-phase power systems. The Two Wattmeter Method can be used to monitor and optimize the performance of these systems.

**Electric Vehicle Charging Stations:** Three-phase power systems are widely used in fast charging stations and other electric vehicle charging systems. In such applications, the Two Wattmeter Method can be used to ensure power balance and monitor power quality.

These are just a few of the areas where 3-phase power calculation with the Two Wattmeter Method is widely used, but not limited to. This method is an important tool for analyzing and power balancing three-phase power systems.