What is Voltage Unbalance and How to Calculate It?
Voltage unbalance (also called voltage imbalance) refers to the condition in a three-phase system when the voltages across the phases are not equal in magnitude
Neutral Conductor Sizing in 3-Phase Systems with Non-Linear Loads
Non-linear loads like computers and LED lights generate harmonic currents—especially 3rd-order (triplen) harmonics—that accumulate in the neutral wire. If not properly sized, the neutral can
Copper Loss in Transformer – Explanation, Formula & Reduction Methods
The copper loss in the transformer is equal to the I2R loss. The copper loss is very important for the calculation of the transformer efficiency.
Harmonics in Induction Motor – Causes, Problems & Solutions
Harmonics in induction motors adversely affects motor performance, leading to temperature rise and increased losses, decreased torque, and noise problems.In VFD-fed systems, harmonics distort waveforms
Effects of Harmonics on Power Systems and Electrical Equipment
Harmonics in power systems are unwanted frequency components that distort voltage and current waveforms. These harmonics cause numerous problems such as overheating, increased losses, resonance,
True Power Factor: Definition, Formula
What is True Power Factor? The true power factor is the product of the displacement power factor and the distortion power factor. The displacement power
No Load Losses of Transformer – Formula & Core Loss
Transformers, even when not supplying any load, consume power—this is known as no-load loss or core loss. These losses occur as soon as the transformer
Impact of Harmonics on Power Quality – Causes, Effects, and Solutions
In the early days of industrialization, electrical systems mostly used linear loads—devices like three-phase induction motors, resistive heaters, and incandescent lamps. These systems drew a
Starting Torque Of DC Motor
What is Starting Torque of a DC Motor? The starting torque of a DC motor is the maximum torque that a motor can deliver to
What is True RMS Measurement? | RMS vs True RMS, Formula & Meaning
In modern electrical systems, especially with non-linear loads, accurate measurement of AC signals is critical. This is where True RMS measurement outperforms traditional methods. Unlike