Caroline Ma

Name	:	Caroline Ma
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About Caroline Ma

Shijiazhuang Huaneng Electric Power Fitting Co. Ltd. is a new company with abilities of R&D, manufacture and trade. The company locates in No.189, Hengshan Street, Shijiazhuang High-tech Development Zone, Hebei Province, China, covering the area 26,593 square meters. Shijiazhuang Huaneng Electric Power Fitting Co. Ltd. specially manufactures preformed helical fittings which are widely used in transmission line. Currently our company owns the big ability to produce lots of varied preformed helical fitting in one year, among them OPGW and ADSS fittings for optical cables, together with fittings for conductor line and earth-wire line which is developed recently passed the tests in the national Electric Power Construction Research Institute and Shanghai Electric Cable Research Institute, and passed identification of the expert group of Hebei Economic and Trade committee. Our company was named as a high-tech enterprise by Hebei Science and Technique Bureau.

corona ring

Caroline Ma07 Jun, 2022Other

Corona rings are annular metal rings that are fixed to the ends of bushings and insulator strings. They are also referred to as anti-corona rings. Corona rings are used to prevent corona discharges that occur in high voltage transmission lines. Corona discharge or corona loss is a major problem in EHV transmission lines that cause power loss. One way to reduce corona discharge is to use corona rings.

spiral vibration damper

Caroline Ma07 Jun, 2022Other

Spiral vibration damper is made of a solid PVC rod and designed in the form of a spiral to suit the cable diameter. Spiral dampers have two sections: gripping and dampening section. The gripping section was wound over the protective helix and the dampening section was wound loosely over the cable.