Providing Automatic controlled Servo Stabilizer Transformer at Sengaraiyur Head works at CWSS to 24 Habs

Design Manufacture, delivery, installation, testing and commissioning of automatic SERVO Transformer including oil cooled floor mounted type weather terminated dust proof powder coated oil tank with M.V.automatic control panel board of 14 SWG M.S sheet and MS angle with enclosure required No's of copper mutta strand A wire winding with required current ratings including user interface LED display, Low voltage and High voltage cut off, Auto re start with time delay, over load realy, single phase preventer, and required no's of 8 pin bottle type persistence relays for controlling of safety measures with required number of on/off switches, indication lamps for indicating present position and 96 mm x 96 mm voltmeter digital type and 96 mm x 96 mm Ammeter digital type and internal panel wiring suitable for low voltage operation at the wide range of 245 V to 500 V of connected induction to load (including supply and erection of Transformer oil and cable interconnetion works)

Type: Automatic Servo-Controlled Voltage Stabilizer (Microprocessor-based); Phase: Three Phase, Four Wire; Input Voltage Range: 245 V to 500 V (Line-to-Line); Output Voltage: 415 V ±1%; Frequency: 50 Hz ±3%; Correction Type: Independent phase correction (three single-phase buck-boost transformers); Cooling: Oil-cooled (ONAN); Duty: Continuous duty, 24×7 operation; Efficiency: Minimum 98% at full load; Response Time: Better than 20 V/second; Output Voltage Accuracy: ±1%; Waveform Distortion: Nil (no harmonic distortion); Insulation Class: Class F or better; Protection Class: IP-54 for outdoor installation confirming to IS/IEC/60529; Ambient Temperature: 0°C to 50°C; Relative Humidity: Up to 95% non-condensing;Protection Features: Input over-voltage protection; Input under-voltage protection; Output over-voltage cut-off; Output under-voltage cut-off; Single phasing protection; Phase reversal protection; Phase imbalance protection;

Suitable rated MCCB at input with overload and Short-circuit protection; Surge protection; Motor overload alarm; Emergency bypass arrangement; Manual/Auto selector switch; Suitable rated contactor at output; Metering and Indications: Digital multifunction meter displaying input/output voltage, current, frequency, kW, kVA and power factor; LED indication for Healthy, High Voltage, Low Voltage, Trip and Bypass; Run hour meter; Construction: Copper-wound buck-boost transformer, Copper-wound dimmer (variable) transformer; Carbon brush assembly with servo motor; Microprocessor-based controller; Powder-coated CRCA sheet enclosure- 2.0mm thick for body and door; The Base frame shall be fabricated from 3.0mm thick CRCA sheet or suitable structural steel sections.; Suitable earthing terminals; Copper winding for all transformers. Type-tested design: Compliance with IS 9815 (Servo Voltage Stabilizers) and relevant IS/IEC standards for transformers control gear, and protection; Warranty: Minimum 24 months from commissioning or 30 months from supply, whichever is earlier.

125 KVA/125 A rating automatic control SERVO Transformer

Sub Total

GST @ 18%