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Huakun Electric

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Shanghai Huakun Electric Appliance Co., Ltd. has passed the supplier qualification and capability verification of State Grid Hebei Electric Power Co., Ltd

Shanghai Huakun Electrical Appliances Co., Ltd. closely cooperates with well-known universities and professional research institutes in China, and is an intelligent electrical professional company that integrates design, manufacturing, and sales. The company has more than 20 years of production experience, mature processes, complete testing equipment, and stable and reliable quality. In July 2018, Shanghai Huakun Electrical Appliances Co., Ltd. passed the supplier qualification and capability verification of State Grid Hebei Electric Power Co., Ltd.

13

2018

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08

Electrical Encyclopedia: Numbering Methods for Electrical Secondary Circuit Connections

For the convenience of installation, operation, and maintenance, all equipment connections in the secondary circuit must be numbered, referred to as the secondary circuit label. The label generally uses numbers or a combination of numbers and text, indicating the nature and purpose of the circuit. Basic principles for labeling secondary circuits:

20

2018

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08

How to choose an active filter manufacturer correctly?

The active filtering device is a closed indoor device that detects the waveform of the load current in real-time to obtain the harmonic current component that needs to be compensated, and reverses it. By controlling the triggering of the IGBT, the reverse current is injected into the power supply system to achieve the function of filtering (offsetting) harmonics and ensure the safe and effective operation of the power supply system. The active filtering device is required to have advanced technology, mature and reliable production process, and easy installation and maintenance. The main technical indicators of active filters include:

01

2018

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11

How can low-voltage electrical appliances connect with the development of smart grids and new energy?

At present, the North Star transmission and distribution grid is entering an important period of smart grid construction. China's urbanization construction is rapidly progressing, and the intelligent construction of urban and rural distribution networks will also be fully carried out. The smart grid, intelligent complete equipment, intelligent distribution, and control system will usher in a golden development period. At the same time, a large number of new energy generation continues to grow, bringing opportunities and challenges to China's low-voltage electrical industry. The rapid development of new energy provides an opportunity for the intelligent development of the low-voltage electrical industry. Low voltage

03

2023

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09

The working principle of active filters

Active filter is a new type of harmonic suppression specialized equipment made using modern power electronics technology and digital signal processing technology based on high-speed DSP devices. It consists of two main parts: the instruction current operation circuit and the compensation current generation circuit. The instruction current operation circuit monitors the current in the circuit in real time,

03

2023

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09

Differences between APF active filters and LC filters

The sales and consulting volume of APF active filters are in a frenzied growth trend, and they have gradually become one of the important solutions for power integration. It can achieve the purpose of active filtering by efficiently extracting the harmonic components in the load current. Now, active filters are different from traditional ones Briefly explain and analyze the differences between LC filters:

03

2023

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09

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 Add:No. 1699 Dudu Road, Minhang District, Shanghai
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