Harmonic Voltage Factor (HVF) – Limits, Effects and Migitation
A. What is HVF? The Harmonic Voltage Factor (HVF) is a measure of the distortion in a voltage waveform caused by harmonic components. It quantifies the impact of harmonics on …
Mitigation Strategies for Power Supply Disturbances in Electrical Networks
Power supply disturbances can cause significant problems in electrical networks, leading to equipment failure, data loss, and reduced lifespan of devices. Below are the main sources of power supply disturbances …
Power Factor Correction and Harmonic Resonance: A Risky Combination
Capacitors are intended to solve problems, but if not properly specified, they can also create new ones. Industrial and commercial customers are always examining their monthly electrical usage for cost-saving …
Harmonics Limit – What is the difference between the IEC and IEEE?
The IEC (International Electrotechnical Commission) and IEEE (Institute of Electrical and Electronics Engineers) both have standards that address harmonics in electrical systems, but they differ in scope, methodology, and application. …
Philippine Electrical Code – Temperature Limitation of Conductors
Temperature Limitation – PEC Section 3.10.1.10 No conductor shall be used in such a manner that its operating temperature exceeds that designated for the type of insulated conductor involved. In …
Philippine_Electrical_Code – Feeder or Service Neutral Conductor Size
Basic Calculation of Neutral Loads The basic calculation for the feeder or service neutral load according to the Philippine Electrical Code Section 2.20.3.22(A) is the maximum unbalance net load calculated …