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OLTC Transformers

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Recon’s offer technologically advanced range OLTC Transformers. (11 KV / 33 KV) using CRGO M3 to MS MOH Lamination, Electrolytic Grade 99.9% pure copper with Transposition in L.V. coil for Current sharing in parallel Conductors, Electric grade press paper, boards and mineral oil. We are also reckoned as one of the most staggering OLTC Regulating Transformers and Manufacturers in India.

Recon’s OLTC Power Transformers are designed for trouble-free performance, confirming to IS – 2026 with low power loss and low noise. Use of modern manufacturing techniques and optimum utilization of active materials ensure cost effectiveness, reliability and a long trouble-free performance

Optional Devices

Bucholtz relay with alarm and trip contact.

Oil temperature indicator with alarm and trip contact.

Winding temperature indicator with alarm and trip contact.

Magnetic oil level gauge with alarm contact.

Marshalling box to house O.T.I. and W.T.I.

RTCC (Remote Tap Changer Control) Cubicle.

Electronic Automatic Voltage Controller.

Standard Specifications

Capacity	Upto 5000 KVA
No. of Phases	3 Phase
Frequency	50 Hz.
Voltage Range	11 Kv / 22 Kv / 33 Kv
Tapping	On-load tap changer to provide +5 to -15 % taps in steps of 1.25%
Insulation	Class A
Vector Group	Dyn 11
Duty Cycle	Continuous
Winding	Copper wound
Terminals	As per required.

Standard Fittings

Rating & Diagram plate	Earthing terminals
Lifting lugs	Thermometer pocket
On-load tap changer	Air release hole with plug
Oil Conservator with drain plug	Explosion vent with diaphragm
Oil Level indicator	Inspection cover
Top-filter Valve	Drain cum-bottom-filter valve
Silica gel breather	Uni / Bi- directional rollers
Cooling radiators

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