Bharat Heavy Electricals Limited, Bhopal

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Testing Facilities

Conforming to IS 2026/ IEC 76

Ultra High Voltage (UHV) Shielded, Acoustically treated Laboratory 35x67x35 m (H) Hall - One of the biggest in Asia and in World with a Manufacturer.

4 MV, 400kJ, Impulse Generator

3600kV Potential Divider

High Resolution Impulse analyzing System

1200kV, 30mA HVDC Test System for DC Testing of converter Transformers & Smoothing Reactors

1500kV, Cascade connected, 50 Hz AC Test Transformer

1500kV, AC Potential Divider

160 MVA, 66/650kV, 3 Phase Testing Transformer

2 MVA (50 - 180 Hz), 40 MVA (50 Hz) & 9 MVA (50 - 200 Hz), Synchronous Motor Generator Set

DC Test set-up for Plotting V/I Characteristic of Shunt and Smoothing Reactors

Full-fledged Calibration and Testing Laboratory for Instruments and Materials

The testing facitlity are being augumented by adding the following facilities designed & manufacture in - house :

300 MVA 650 kV testing transformer.

180 MVA 138/1200 kV testing transformer.

40 MVA 156 kV testing transformer.

Manufacturing Facilities

         Core & Punch

Highly accurate gang slitting machine which can slit minimum

25 mm and maximum 850 width from a roll. Slitting capacity

14 Tons per day.

Two nos. cropping machines capable to crop 14 Tons per day

with a maximum burr of 30 microns. Minimum 55 mm and

Maximum 750 mm width can be cropped.

2 No. CNC cropping line for 1000 mm width laminations having speed

accuracy of ± 0.2 mm.

3 No. Core building platform of size 5000 mm X 6000 mm on which a

core upto 300 Tons can be built.

One very accurate and sophisticated Resin Impregnation and

Vacuum plant to impregnate cores.

Winding

Fourteen numbers Vertical winding machine on which a winding

for 2600 mm O/D and 300 Tons can be built.

26 numbers Horizontal winding machines capable of any type

of winding upto O/D of 3000 mm and height of 3600 mm.

300 Tons/500 tons (2 No.) coil pressing Hydraulic press.

One number coil reversing cradle for safe reversing of coils.

Eight numbers high frequency Induction Brazing machines to

braze joints in coil winding area.

Processing

3 NO. 400 KW Vapor phase plant with drying unit.

2 No. Conventional Vacuum Plant.

3 No. transformer oil filtration and degassing plant.

2 No. Oil Circulating Plant.

2 No. 250 Tons EOT cranes.

Aero Caster movement system for handling coils & complete transformers.

Isostatic press 250 Tons for coil stabilisation

A well equipped insulation shop with facilities like circular saw,

guillotine, band saws, rolling/bending and scarifying facilities,

hot and power presses and currying oven etc.