Selecting the Right CT for Active Harmonic Filter (AHF)
How to Select the Right CT for Active Harmonic Filter (AHF) Choosing the appropriate current transformer (CT) is crucial for the effective operation of active harmonic filters (AHFs) in harmonic mitigation applications. This article provides guidance on selecting the right CT for AHFs and highlights Enjoypowers’ versatile AHF modules with flexible CT installation options. Factors […]
Calculating the Appropriate Size of an Active Harmonic Filter (AHF)
How to Calculate the Appropriate Size of an Active Harmonic Filter (AHF) Active harmonic filters (AHFs) are essential for mitigating harmonics and improving power quality in electrical systems. Choosing the right size AHF is crucial to ensure effective harmonic mitigation without oversizing or undersizing the equipment. This article outlines the steps involved in calculating the […]
Comparative Analysis of Three-Level and Two-Level Active Harmonic Filter
Comparative Analysis of Three-Level and Two-Level Active Harmonic Filters In the realm of power quality improvement, active harmonic filters (AHFs) play a crucial role in mitigating harmonics and enhancing the efficiency of electrical systems. Two prominent topologies employed in AHFs are the three-level and two-level configurations. This article provides a comparative analysis of these two […]
Difference Between Active and Passive Harmonic Filter: Comprehensive Comparison
Understanding the Difference Between Active and Passive Harmonic Filter: A Comprehensive Comparison Harmonic distortion in power systems is a common issue that affects the quality and reliability of electrical energy. To mitigate this problem, both active and passive harmonic filters are employed. Understanding the differences between these two types of filters is crucial for selecting […]
Good News | Enjoy Technology Won the “2023 Best Supplier Award for Energy Storage Small and Medium Power Bidirectional Converters”
From August 28th to September 1st, the 2nd China International Energy Storage Exhibition and 10th China International Optical Storage Conference, organized by the EESA Energy Storage Leaders Alliance, went smoothly in Suzhou Convene. Enjoy Technology won the “2023 Best Supplier of Energy Storage Small and Medium Power Bidirectional Converters Award” for its outstanding energy storage […]
Good News|Enjoy Technology has won the Best PCS Supply Award in China’s Energy Storage Industry!
On May 24th, the 13th China International Energy Storage Conference 2023 was grandly held at the InterContinental Hotel in Hangzhou. The theme of the conference was “promoting the construction of a new energy system and promoting the high-quality development of the energy storage industry”, focusing on the safe and sustainable development of new energy storage. […]
Serving the global market|Shenzhen Enjoy Technology energy storage module passed TÜV NORD certification
Recently, TÜV NORD, the world’s leading third-party testing and certification organization, issued a TÜV safety certification for Shenzhen Enjoy Technology 105k series energy storage module Passing the EN62477-1 series of standard tests and successfully obtaining the TÜV certification marks that the product has obtained the admission ticket for the international market. On May 24, 2023, […]
Photovoltaic’s Power Quality Application: switches trip 2022
Summary This article introduces a case of the power quality problem after photovoltaic installation, which leads to the frequent blowing of the fuse in the reactive power compensation cabinet and the frequent tripping of the main circuit breaker switch, analyzes the reasons for this phenomenon, and provides the harmonic elimination and power factor correction solution […]
Why a PV System Caused a $20,000 Power Factor Penalty: An Industrial Case Study
Project Background A machinery manufacturing facility operated the following electrical system: Transformer capacity: 2500 kVA Typical load power: approximately 1200–1500 kW Existing capacitor compensation: 1200 kVar Capacitor-bank target power factor: 0.95 Before installing photovoltaic generation, the facility’s monthly average power factor was generally above 0.95 and the electrical system operated normally. The facility later installed […]
Power Quality Challenges in Distributed PV Systems and Practical Solutions
Introduction Distributed photovoltaic systems can significantly reduce grid energy consumption for commercial and industrial users. However, connecting a large PV system changes the electrical conditions at the point of common coupling. If the existing electrical system was designed before PV was installed, the interaction between: PV inverters Existing loads Transformers Capacitor banks Harmonic sources Reactive-power […]