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Why do voltage transformers have several output terminals?
The voltage transformer is a transformer with iron core. It is mainly composed of 1. secondary coil, core and insulation. When a voltage U1 is applied to the primary winding, a magnetic flux φ is generated in the core.
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Henan Zhengzhou Power Supply Company: Scientific Supply See Results
During the peak summer this year, Henan Zhengzhou Power Supply Company strictly implemented the decision-making and deployment related to power supply protection, strengthened load management, scientifically controlled load, and formed a joint force with the government and society.
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Shaoyang News Network, December 16 (Correspondent Shen Wanda Wang Ke) "The current transformer of Xianling Line at 306 intervals has a small change ratio and a large measurement error. In serious cases, it may cause the protection device to malfunction and must be replaced as soon as possible." On December 16, the maintenance personnel of Shaoyang Substation Maintenance Company were 110 kV Xianchaiqiao Substation to rectify the problems found in the Spring Festival power supply safety inspection.
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domestic first set! Successful trial operation in Pu!
On the evening of April 22, the first domestic 252 kV environmental protection gas (clean air) current transformer was successfully put into trial operation in Puyang. This is an important measure for the State Grid Corporation to implement the national "double carbon" policy and promote the green environmental protection of equipment. It is also one of the important pilot work of the State Grid Corporation's current transformer "oil to gas" to improve the explosion-proof capability of equipment.
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In order to implement the pilot work, Bozhou Power Supply Company plans ahead of time, formulates an annual maintenance plan, tracks the production cycle and defines the installation time. Do a good job in site investigation, personnel access and other safety work requirements, compile the examination and approval of maintenance plans, pay special attention to the quality of construction technology, to ensure the smooth operation of the first explosion-proof current transformer of the national network in Bozhou 220 kV vortex yang transformer network.
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Contact Information
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Address:East of Qianzhuang Avenue, Hoxiaozhuang Village, Xindian Town, xinzheng city
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