Dekei Optoelectronics to LED Display Equipment Manufacturers to Develop New Technology Industry Investment Conference On the morning of May 20, the Heilongjiang High-tech Industry Venture Investment Conference was held in Harbin. Lu Hao, deputy secretary of the provincial party committee and governor, attended the meeting and delivered an important speech. More than 100 representatives from investment and financing institutions, more than 300 result holders and some technology start-ups, representatives of investment-requiring companies and companies to be listed were among the province's total of more than 500 participants.
De Cai Photoelectric Co., Ltd. as a key electronic information company was invited to participate in this conference. The company participated in the Heilongjiang Provincial People's Government in the international conference center for the promotion of investment promotion of scientific and technological achievements, and as the only representative of electronic information companies to participate in the "excellent project results promotion meeting" on the afternoon of the 20th to carry out the project road show.
As a benchmark in the field of LED display equipment production in Heilongjiang Province, Decolor Optoelectronics Co., Ltd. has always been adhering to the tenet of “Quality First, Pursuit of Excellence†and constantly innovating. In particular, significant breakthroughs have been made in the field of personal LED display device application market development based on "small-pitch screens." Among them, the "Asymmetric Structured Display Screen" has received extensive attention from the guests and delegates of the conference.
At the “Outstanding Project Achievement Promotion Conference†on the afternoon of the 20th, representatives of our company made speeches on the company and products and answered the questions of the guests. Visitors and representatives of investment and financing institutions showed great interest in the company's innovative scientific and technological achievements. A number of representatives of investment and financing agencies expressed their intentions of cooperation with Decolor Optoelectronics on the spot.
In this conference, Decolor Optoelectronics Co., Ltd. has received wide attention from the delegates of the conference. It is believed that with the outstanding strength of Decolor Optoelectronics in the field of “LED display equipmentâ€, it will surely realize the vision of “painting the globeâ€. Choose De Cai, tomorrow is more exciting.
Applications:
The Grounding Transformer is a kind of auxiliary transformer that used to offer an earth point for the Delta-Star system. They are typically used for providing a path to ground for unbalanced load current and for fault currents on system where a suitable ground is otherwise not available.
Design:
The grounding transformers are generally designed with one of the two configurations: Zig-Zag (Zn) with or without an auxiliary winding or a Wye (Ynd) with a delta connected secondary. The Zig-Zag connection is preferred as it is more cost effective and have smaller size than the Delta-Wye unit. For more safety, neutral earthing resistors (NER) are often used in conjunction with the grounding transformer to limit neutral ground fault current magnitude. The rated voltage of the NER should be equal to the line to ground voltage of the grounding transformer. The current rating and duration should match the grounding transformer
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Grounding Transformer
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