Products – Condenser Bushings
- Oil Impregnated Paper Bushings 245 kV, 420 kV (OTF)
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Oil impregnated bushings 245 and 420kV (OTF) are produced in Nirou Trans Company under license of HSP-Siemens. They are constructed in a modular system which make it possible to configure as request.The insulating body of this technology is made of Oil-impregnated insulating paper which is wound on the center tube in wide tapes. During the winding process grading layers of aluminum foil are integrated to permit uniform voltage distribution. The grading layers guarantee optimum distribution due to their excellent conductivity,despite sudden voltage fluctuations.
- Oil Impregnated Paper Bushings Up to 170 kV (NGB)
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Bushing is one of the parts of power transformer. In each 3_phase power transformer, depending on the ratio, at least 7 bushings are used. In voltage levels above 72.5 kV, only condenser bushings are used because of the need for optimum dimensional design. At the time being, we are capable to design and produce the condenser bushing type OIP for voltage levels from 72 to 145 kV according to the most up to date technology in the world.
- Wall Bushings
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Wall bushing is a type of bushing being used specially for Air to Air application, the insulation technology being used inside our model of the product is the well known and well proven OIP. The expertise and experience in design and manufacturing OIP instrument transformers, capacitors and bushings have led us to a confident and straight forward design and implementation of Air to Air model of bushing named HVB2. The complete nomination is in the form of HVB2 XXXX-YYYY in which XXXX stands for the lightning with stand level and YYYY means the rated current. - Oil to Oil Bushings
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Bushing is one of the parts of power transformer. In each 3_phase power transformer, depending on the ratio, at least 7 bushings are used. In voltage levels above 72.5 kV, only condenser bushings are used because of the need for optimum dimensional design. At the time being, we are capable to design and produce the condenser bushing type OIP for voltage levels from 72 to 145 kV according to the most up to date technology in the world.
- Bushing On Request
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The design and creation of the Special Bushing is necessary in some occasions. NirouTrans is able to fulfill any Special requirement or specification asked by the customer:
• Design of a new Bushing as Replacement for a defected bushing made by other suppliers.
• Design of a new Bushing for special climatic and/or operational conditions and/or extra heavy pollution…
• Design of a new Bushing for Restrictions on installation position such as abnormal angles.