24

2021-12

Various characteristics of outdoor distribution cabinets

The characteristics of outdoor distribution cabinets, also known as rainproof distribution cabinets, are that they incorporate waterproof functions in their design. These types of distribution cabinets are primarily used outdoors to protect against harsh weather conditions. Firstly, it goes without saying that rainproof distribution cabinets must have dustproof and waterproof capabilities, and they also need to be resistant to acids and alkalis. The protection level requirements are particularly high, needing to reach IP56.

2021-12-24

Various characteristics of outdoor distribution cabinets

16

2021-12

Classification of lighting distribution boxes and box structure

The lighting distribution box is divided into two types based on installation methods: closed hanging type (surface-mounted) and embedded type (flush-mounted). The main structure consists of components such as the box shell, panel, installation bracket, neutral busbar, and grounding busbar.

2021-12-16

Classification of lighting distribution boxes and box structure

10

2021-12

Key points of high-power DC power supply technology

In the 1960s, the emergence of high-power DC power supplies gradually replaced linear voltage regulators and SCR phase-controlled power supplies. Over the past 40 years, high-power DC power supply technology has undergone rapid development and changes, experiencing three stages of development: power semiconductor devices, high frequency and soft switching technology, and the integration technology of high-power DC power supply systems.

2021-12-10

Key points of high-power DC power supply technology

04

2021-12

Several situations that may occur when using a DC power supply.

1. In one scenario of a DC power supply, there is current but no operating voltage; in another scenario, there is operating voltage but no current. When either of these situations occurs, the operator should check whether the power supply load is good, whether there is a short circuit fault or disconnection, and whether the load meets the standards. Additionally, before operating the DC power supply, it is important to check if the power circuit is connected incorrectly. If connected incorrectly, the power supply may be damaged, affecting operational efficiency.

2021-12-04

Several situations that may occur when using a DC power supply.

26

2020-10

Chengyuan Electric · Wenzhou, Zhejiang Trip

On October 9, 2020, Xiao Tuansheng, the chairman of Hunan Chengyuan Electric Appliance, who is also the vice president of the Hunan Province Power Distribution Equipment Industry Association, led a delegation of five people including the company's deputy general manager Xiao Tuangui, marketing director Fu Pengfei, and processing workshop director Li Jing for a four-day internship and inspection in Wenzhou, Zhejiang. They visited several companies including Moku Electric Co., Ltd. under Wankong Group, Lishui Wankong Electric Co., Ltd., Zhejiang Chint Electric Co., Ltd. under Chint Group, Wenzhou Wanzheng Power Supply Group Co., Ltd., Zhejiang Dadao Electric Co., Ltd., China Hongsu Electric Technology Co., Ltd., and Yueqing Qimei Electric Co., Ltd.

2020-10-26

Chengyuan Electric · Wenzhou, Zhejiang Trip

04

2019-04

Warm congratulations to our company for being awarded the honor of a Level 1 Unit in Environmental Protection Standardization Management in Liuyang High-tech Zone for the year 2018.

Safety and environmental protection, responsibility is heavier than Mount Tai.

2019-04-04

Warm congratulations to our company for being awarded the honor of a Level 1 Unit in Environmental Protection Standardization Management in Liuyang High-tech Zone for the year 2018.
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