Three Phase Servostats (balance Load)
Description: Three Phase Servostat AC Stabilisers are meant for obtaining a steady AC voltage supply from fluctuating mains within a close tolerance. These units are mainly servo-controlled type with electro-mechanical arrangements. They are very sturdy in construction and give the satisfactory performance under all conditions. Three phase servostats (balance load) consist of a three phase Power-O-Stat (variable auto transformer) unit, tandem mounted with one pilot motor attached and only one electronic sensing device used. This is suitable when the loads in all the three phases are same. The input range is 300 to 440V, 3-phase, 50 Hz; and output 400V. The output can also be changed from 380 to 450V. Units ranging from 3 kVA to 25 kVA are manufactured in air-cooled construction, and units ranging from 30 kVA to 600 kVA are manufactured in oil-cooled construction with one to two different cubicles. This stabilizers are widely used in application like control computer centers, airports, TV receiving centre, radar divisions, centralized air conditioning packaged units, heavy industries, metrological department, research institutions and laboratories where a very stable output voltage is desired.
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