Providing, Installation, Testing and Commissioning of 75KVA Voltage Stabilizer at WSS Narayan Bagh

Amount

Providing, fitting, testing and commissioning of 75 KVA voltage controllers for Narayan bagh. as per specifications below: Type of voltage controller: Manually operated copper wound, 3phase, AC power supply multi step. Type of Regulator : double plate type with electrolytic copper contacts. Input voltage : 180-400 volts. Output voltage : 400 + 10% volts No of steps : 8 Frequency : 50+ 3 C/S. Windings : Electrolytic grade copper of adequate section, vacuum impregnated and oven dried. Insulation : Fiber glass insulations to tested parameters. Efficiency : 98 % Cooling : Naturally, Oil cooled Temp. Rise (Max) : 30°C above ambient Mounting : on uni-directional wheels. Correction rate : 30 volts per step Wave form distortion : virtually nil Duty cycle : 100% continuous. Enclosure : MS sheet enclosure in pressed CGR sheet powder coated with radiators. Core laminates : High grade, low eddy loss, grain oriented silicon steel laminations. Load : Three phase induction motor load. Load Amperes (continuous) Load Amperes for 2-hour: 98 Amperes on worst combination of voltage and frequency. Overload in 24-hours operation: 10% above continuous Ampere rating Note: The voltage Stabilizer shall be accepted with manufacturers duly stamped test certificate and shall have name plate with specifications, name of manufacturer and name of Water Supply Scheme

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