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Series TAW Increase-Safety Brushless Excitation Synchronous Motors
Incorporating explosion protection technique, electric and electronic technology, automatic control engineering and motor technique into an integral, series TAW increase-safety brushless excitation synchronous motors are high-and-new technology products developed and manufactured by Nanyang Explosion Protection Group Co., Ltd (CNE). This series motors can be widely used in petroleum, chemical, fertilizer, refrigeration industries, the locations where present explosion hazard gasses, and can be used to drove reciprocating compressors.
        Adopting the new technique, material and technology in the 1990s, and being of excellent workmanship, this series motors have many remarkable features such as compact construction, lightweight, attractive appearance, high efficiency, low noise, small vibration, safe operation and easy maintenance.
        The standards referenced in this series motors are listed in the following:
        GB3836.1-2000 Electrical Apparatus for Explosive Atmospheres
        Part 1: General Requirements
        GB3836.3-2000 Electrical Apparatus for Explosive Atmospheres
        Part 3:Increase Safety “e”
        GB755-2000 Rating and Performance for Rotating Electrical Machines
        JB8973-1999 Explosion Protection Requirements for Increase-safety Brushless Excitation Synchronous Motors
        JB8974-1999 Explosion Protection Specifications for Series TAW Increase-Safety Brushless Excitation Synchronous Motors
        GB50058-1992 Design Specifications for Electric Power Installations for Explosion and Fire Hazard Atmospheres
        For the enclosure of this series motors, the degree of protection is IP44 and IP54,cooling form IC81W and IC91W and mounting arrangement is IM7315, IM7311 and IM7111. Available are the motors with the different protection type, cooling form and mounting arrangement according to customer requirements. Rated voltage :6000V、3000V、10000V
        Rated frequency :50Hz
        Power range :450~10000kW
        Rating :S1
        Synchronous speed :250,300,333,375,428 and 500r/min
        Insulation class : Class F.
        Temperature-rise limitation:80K
        Shaft centre line height :630mm、750mm
        Ex mark :ExeⅡT1,ExeⅡT2 and ExeⅡT3
        Based on this series motors, outdoor type (W type), tropical humidity type (TH type) and tropical humidity outdoor (WTH type) three-phase synchronous motors have been modified.  The performance index and mounting and overall dimensions are the same with those of the basic series.
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