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No electricity utility in India can ensure the constant voltage to the customers. Voltage is typically low during the daytime and high during night hours. Moreover, on holidays, peak hours, rainy days and when the agricultural and industrial load is switched off the voltage arises sharply, which creates problems for the machinery resulting in financial loss.
90% of the industrial load consists of motors. In electric motors of smaller capacity up to 7.5 HP, during low voltage, the motor draws higher current which requires the higher setting of overload relay to avoid the frequent tripping of motors. A higher setting of overload relay has a very less safety margin against single phasing and mechanical faults. Suppose the relay setting is 15 to 20 % higher than the actual operating current, then the relay will take 46 minutes to trip. The motor cannot withstand the high current for such a long time and in most cases, it burns out before the motor trip. Servo stabilizers are meant to overcome all the above problems by maintaining a constant level of voltage irrespective of the fluctuating mains power supply system.
Our Servo Voltage Stabilizers are widely used in engineering units, pharmaceutical units, cold storage, air conditioning plants, offset printing machines, textile mills, cement plants, flour mills, oil industries, paper mills, rubber industries, tea estates, food processing units, oil and Vanaspati plants, footwear and leather units, distilleries and beverages, clubs, hotels, multistoried buildings, hospitals, nursing homes, export houses and call centres.