SERVO REGULATORS

Three Phase Servo Voltage Regulator

Introduction:

OMNIPOWER Servo voltage Regulators are an effective solution to the problem of voltage fluctuations. They are designed to give a stabilised output within 1% of the nominal value. These servo regulators are available in two types namely Balanced Load and Unbalanced Load regulators. The balanced load type have sensing circuit which detects the voltage variation in one phase and moves the motor such that three phase output is in the specified limit. The unbalanced load stabilisers have separate motorised auto-transformers for each phase which are independently controlled to ensure desired output. The output waveform is completely distortion-free and the regulation is unaffected by power factor. Various models are available corresponding to different input/output and KVA ratings.

Salient Features:

• Fast rate of correction upto 70 Volts / sec., line - to - line (25 Volts / sec. for 100 KVA & above).
• Efficiency of 96%, using high -grade laminations and ISI grade 99.9% purity copper wires.
• Plug-in type Glass-epoxy control cards for easy serviceability.
• Visual warning against extreme high or low input voltages.
• Ruggedised construction, castor-mounted for easy movement.
• No waveform distortion, suitable for operation on DG set.
• Auto / Manual facility of operation from front-panel controls.
• Specifications conforming to IS : 9815-1994.
• Custom-built specification and all-India Service Network to meet OEM requirements.
• Optional built-in Ultra Isolation Transformer in normal / star - delta configuration.

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