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Jul 09,2024
In the power system, the on-site compensation of high-voltage motors should be invested when the voltage drops by more than 10%. 1. The role of on-site compensation of high-voltage motors The on-site compensation of high-voltage motors can effectively improve the power factor of the power system, reduce line losses, ensure the stable operation of the system voltage, and reduce energy consumption a...
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Jul 16,2024
STATCOM and Voltage Flicker Mitigation What is votlage flicker? Voltage flicker refers to the rapid and repeated fluctuations in the voltage level of a power supply, which can cause noticeable changes in the intensity of lighting and can affect the performance of other electrical equipment. These fluctuations can be annoying and may lead to operational issues in sensitive equipment Causes of Volta...
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Jul 22,2024
Statcom, Current sampling and voltage sampling Current and Voltage Sampling in STATCOM Static Synchronous Compensator (STATCOM) is a device used for dynamic reactive power compensation and voltage stabilization in power systems. Accurate current and voltage sampling are crucial for the proper functioning of STATCOM, ensuring it provides the necessary reactive power compensation and voltage regulat...
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Jul 23,2024
UPS and Energy Storage Technology are two different power systems. Their main differences lie in their working principles, application scenarios, and energy storage methods. The main working principle of UPS is to convert the input AC power into DC power through power conversion circuits and batteries and other devices, and then convert it back to AC output through inverters. When the input power ...
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Jul 29,2024
The preventive measures for the capacity attenuation of power capacitors are crucial in the application of power capacitor banks. Here are some of the main preventive measures: Control operating conditions: Temperature control: Ensure that the capacitor operates within the temperature range recommended by the manufacturer. Excessive temperature will accelerate the aging of the internal materials o...
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Aug 10,2024
Capacitor Banks play an important role in power systems and are mainly used to provide reactive power compensation, improve voltage quality, and improve system stability. Capacitor banks can be divided into many types according to different classification standards. Here are some common capacitor bank types: 1. Classification by connection method Star-connected capacitor bank: The capacitor units ...
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Aug 28,2024
Medium voltage power factor correction Medium Voltage Power Factor Correction (MV PFC) involves the application of devices and systems designed to improve the power factor in medium voltage electrical networks, typically in the range of 1 kV to 35 kV. Power factor correction at medium voltage is crucial for enhancing the efficiency of electrical power distribution, reducing losses, and avoiding pe...
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Sep 02,2024
Dynamic reactive power compensation Dynamic Reactive Compensation refers to the real-time adjustment of reactive power in an electrical system to maintain optimal voltage levels, improve power factor, and enhance overall power quality. It is essential in modern power systems, particularly in environments where loads fluctuate rapidly or where maintaining a stable voltage is critical. 1. Understand...
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Sep 11,2024
Selecting the capacity of the transformer is crucial, as it directly affects the stability, efficiency and safety of the power system. The appropriate transformer capacity can ensure that current and future load requirements are met, avoiding equipment damage and energy waste caused by overload or underload. The correct capacity selection helps optimize operating costs, extend equipment life, and ...
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Oct 27,2024
Active Load Balancer and Active Power Filter Active Load Balancers and Active Power Filters (APFs) are both power quality devices, yet they serve different roles within electrical networks. Here’s an overview of each, along with their similarities and distinctions: Active Load Balancer Function: Primarily used to ensure balanced loading across all three phases in a power system. Operation: Activel...
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Nov 13,2024
In the power supply system, reactive power compensation can improve the power factor of the power grid, reduce the loss of power transformers and transmission lines, and improve the power supply environment. Reasonable selection of compensation devices can minimize the loss of the power grid and improve the quality of the power grid. If the selection or use is improper, it may cause many problems ...
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