The combined instrument transformer have 5 version with different voltage 3/6/12/36KV.The transformer are designed for 3 phase electric systems of rated frequency of 50/60Hz.The products are used in metering electric energy, voltage controlling and relay protection applications.
5 - Note: The products may be custom manufactured to a higher ratio.
Structure feature The product mainly consists of combined instrument transformer and watt-hour meter. The combined transformer is equipped with 2 or 3 single phase VT and CT units.The transformer is insulated in 25# transformer oil. The outlet terminals of primary and secondary windings are encapsulated in porcelain bushing and fixed on the panel.Watt-hour meter tank is fixed on the flank of combined instrument transformer and comprises one active watt-hour meter and reactive watt-hour meter. The products are reliable, accurate, light and convenient in installation. They are also designed against stealing electricity.
1 - The transformer equipped with primary and secondary winding. The windings are fixed to the iron core bar by casting.
2 - For the two secondary windings, the first one is for either measuring or protection purpose; the other is for being connected into an open-delta connection in a 3 phase system.
3 - The outlet of the primary winding is insulated from the earth to a correspondent level.
4 - The secondary terminal board is covered with a transparent cover made of plastic.
5 - The bolted earthed clamp is located on the transformer base plate.
6 - The transformer is fixed onto the base plate by four screws.
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Packaging & Shipping
Company Profile
ROOQ Electric Group Co., Ltd. was established in 2008 with a registered capital of 108 million. It is a high-tech enterprise specializing in the design, manufacturing, sales and service of power transformers, complete sets of electrical appliances, high and low voltage components, smart city control systems and other products.
The company is located in Yueqing City, Zhejiang Province (the electrical capital of China) which adjacent to the national road, expressway, Wenzhou International Airport, Ningbo Shanghai and other seaports, to provide fast and convenient transportation security.
Since its establishment, the company has always insisted on product quality first and guided by "customer demand". It has served Wenzhou T2 Airport, Beijing Winter Olympics ski resort, Zhejiang National Defense Force, Hangzhou Wenzhou Railway, Cangnan Stadium, Country Garden community, Songxi City First People's Hospital, Ganat Road lighting, Burundi President's Office, Rwanda Ministry of Energy, Mozambique National Hospital, petrochina Thailand Refinery, Uzbekistan National Television, Kyrgyzstan Gold Mine, Hasa Kirsten National Data Center, etc. With years of innovation and professional manufacturing experience, we have more than 20 independent intellectual property rights, and have strong advantages in special product customization and EPC power engineering general contracting. Stable quality assurance and timely delivery capabilities have won the wide trust of users around the world.
Our service
ROOQ implements a "7*24 service" and an after-service policy with life-long warranty to actively provide its customers with timely, warm and comprehensive
service. Our team abroad in your site can provide you with installation, commissioning operation and project acceptance or maintenance those enhance the product utilization value, ensure premium services and free our customers from any after-sales concerns.
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