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Modulated Wave Stabilizer
Modulated Wave Stabilizer
Sai Electricals, an ISO 9001: 2008 certified company, is a manufacturer of power management equipment. This includes power transformers, distribution transformers, power distribution transformers, electrical distribution transformers, special purpose transformers and automatic voltage stabilisers. With its customer centric approach and continuous R&D, the company has brought about a revolution with the launch of Powerware EEZ, a Modulated Wave Stabilizer based on state-of-the-art pulse width modulation (PWM) technology using latest generation IGBT semiconductors, which maintains constant output voltage for an easy and comfortable ride, even during severe voltage fluctuations. Power fluctuation causes motor inefficiency, overheating and burning of motors, high consumption in lighting loads, failure of bulbs, chokes and electronic equipment, malfunctioning of CNC machines and computer loads. Powerware EEZ senses the fluctuations in the input voltage on real time basis. Instantaneously the IGBT, with a switching time of less than 0.5 micro sec, generates a PWM sine wave of exact magnitude required to add or subtract from the line voltage and feeds it to the primary of a series buck/boost transformer. The buck/boost transformer superimposes this sinewave to the line voltage, without any waveform distortion, to provide a constant and smooth output voltage. Powerware EEZ is housed in an indoor enclosure with following inbuilt protections: temperature cut-off, surge suppressor, fault bypass (input=output), overload cut-off, high voltage cut off, low voltage cut off. Powerware EEZ works best with properly earthed neutral. In case of a floating neutral, it is strongly recommended that the neutral be grounded to minimise the float. Alternately an isolation transformer may be installed.
