Ultra-high harmonic detection in distribution networks relies on advanced technologies designed to measure and analyze harmonics beyond the conventional limits. Here are some key technologies used for ultra-high harmonic detection: Wideband Spectrum Analysis: This technology involves using wideband spectrum analyzers capable of analyzing frequencies well beyond the conventional range to detect and...
IGBT switching frequency The switching frequency of IGBT refers to the frequency at which it is turned on and off, usually expressed in Hertz (Hz). The frequency of switching directly affects the switching loss, efficiency, volume, weight, and heat dissipation design of power electronic systems. Switching loss refers to the energy loss generated by IGBT during the opening and closing proces...
Power quality management in distributed photovoltaic (PV) refers to the measures and strategies employed to ensure the reliable and efficient operation of PV systems while maintaining the quality of electrical power supplied to the grid. Here are some key aspects of power quality management in distributed photovoltaic: Voltage Regulation: PV systems can introduce voltage fluctuations due to the in...
The challenges and countermeasures faced by new power grid? The power grid is a complex and critical infrastructure that delivers electricity to homes, businesses, and industries. The advent of new technologies and changing energy landscape present both challenges and opportunities for the power grid. Here are some of the challenges faced by new power grids, along with potential countermeasures: I...
Introduction With the rapid advancement of power electronics technology, Static Var Generators (SVGs) have become integral components in modern power systems, significantly enhancing electricity quality. This article delves into the details and applications of both low voltage SVGs and medium voltage SVGs, exploring their respective advantages and application scopes. Overview ...
How to identify user phase in low voltage digital distribution grid? In a low-voltage digital distribution grid, identifying the user phase typically involves a few steps. Here's a general overview of the process: Obtain the necessary equipment: You will need a phase indicator or a digital multimeter capable of measuring voltage and current. Turn off power to the specific user: To ensure safety du...
Stepless compensation and multi-step compensation are two different approaches used in power system compensation to mitigate the effects of reactive power and voltage fluctuations. Stepless Compensation: Stepless compensation, also known as continuous compensation, involves the use of a continuously adjustable reactive power compensator to regulate voltage and control reactive power flow. The most...
The relationship between capacitors and harmonics is very close, especially in power systems. The use of capacitors can affect the generation and propagation of harmonics, and are also easily affected by harmonics, leading to reduced performance or damage. Harmonic amplification In the power system, capacitors have a lower impedance to harmonics, so harmonic currents tend to flow through th...