Transformers, Capacitors & Bushing

TRANSFORMER & REACTORS

BHEL has proven expertise, technology and capability to design, manufacture, supply and commission Transformer & Reactors since more than six decades. BHEL has designed, manufactured and commissioned Transformer & Reactors ranging from unit capacity of 1 MVA to 500 MVA up to 765 kV Class both in India as well as abroad. Till date, BHEL has successfully supplied and commissioned more than 6000 nos. Transformer & Reactors totalling to capacity of more than 6000000 MVA.

BHEL'S JOURNEY OF TRANSFORMER & REACTOR
315 MVA 400 kV Phase Shifting Transformer at TSGENCO Kothagudam

BHEL has augmented its installed manufacturing capacity to 30000 MVA / 150 nos. Transformer & Reactors sets per year. Apart from supplying conventional Transformer & Reactors, BHEL is also designing, manufacturing and supplying products such as Controlled Shunt Reactors, Phase Shifting Transformers etc. BHEL is also Supplying newly designed Transformer & Reactors with uprated capacity for R&M projects both for BHEL as well as non-BHEL units . BHEL is also supplying O&M spares for smooth operations of all existing transmission infrastruture

PRODUCT CAPABILITIES

Power Transformers
Product Application
Generator Transformers
  • 420 KV, 3 ph, 500 MVA
  • 765 KV, 1 ph, 400 MVA
 Power generation
Auto Transformers
  • 420 KV, 3 ph, 1000 MVA
  • 420 KV, 1 ph, 600 MVA
  • 765 KV, 1 ph, 1000 MVA
  • 1200 KV, 1 ph, 1000 MVA
 Power transformation
Phase Shifting Transformers
  • Up to 400 MVA, 400 KV, 3 Ph
  • 400 MVA, 400 KV, 1 Ph
 Flexible AC Transmission System
Converter Transformer / Smoothing Reactors
Product Application
HVDC Transformer
  • Up to 600 MVA ± 500KV HVDC/ ±800KV
HVDC transmission
HVDC Smoothing Reactors
  • Up to 254 MVA,360 MH,1568 Amps, ± 500KV
Reactors
Product Application
Shunt Reactors
  • Up to 150 MVAr, 420 KV, 3 Ph
  • 110 MVAr, 765 KV, 1 Ph
 Controlling Of Reactive Power
Controlled Shunt Reactors
  • Up to 200 MVAr, 420 KV, 3 Ph
  • 200 MVAr, 420 KV, 1 Ph
  • 200 MVAr, 765 KV, 1 Ph
 Flexible AC Transmission System
Instrument Transformers
Product Application
Current Transformers
  • Up to 400 KV, 3600Amps
 Metering , protection
Capacitor Voltage Transformers
  • (Up to 1200 KV)
 Metering , protection power line carrier communication at 30 kHz to 500 kHz
CAPACITORS
Product Application
H.T Capacitors for Motors
  • (3.3 KV TO 11 KV, delta connected capacitor banks) For Industries (cement / fertilizer)
 Power factor correction
H.T. Capacitors for Shunt, Series SVC (Static VAr Compensation), Harmonic filter HVDC application
  • (3.3 KV TO 500 KV, 1Ph/3 Ph capacitor banks) For Distribution line / Transmission line/ substn)
 Voltage regulatio, PF correction, filtering of harmonics
Coupling Capacitor
  • (3.3 KV TO 800 KV, 4400 PF to 13200 PF) For Transmission line
 Power line carrier communication at 30 kHz to 500kHz
Surge Capacitor for Generator Transformers
  • (11 KV to 40 KV, 0.125 PF)
Protection of surges
Roof Capacitor For Locomotive
 PF correction
BUSHING
Product Application
Oil Impregnated Paper (OIP) Condenser Bushings (52 KV to 525 KV)
 Transformer
Special application bushings like oil – oil Wall bushings etc
 Cable box , Laboratories, Sub-stn
BHEL has supplied transformer & reactors for all the ratings being operated in India.
Kv Class Product Variant Highest Rating in India Highest Rating Manufactured By BHEL
400 KV 3 Φ Inter Connecting Transformer 500 MVA 500 MVA
1 Φ Inter Connecting Transformer 167 MVA 167 MVA
3 Φ Generator Transformer 400 MVA 400 MVA
1 Φ Generator Transformer 330 MVA 330 MVA
3 Φ Shunt Reactor 125 MVA 125 MVA
1 Φ Shunt Reactor 42 MVA 42 MVA
765 KV 1 Φ Inter Connecting Transformer 500 MVA 500 MVA
1 Φ Generator Transformer 330 MVA 330 MVA
1 Φ Shunt Reactor 110 MVAR 110 MVAR
1200 KV 1 Φ Inter Connecting Transformer 333 MVA 333 MVA
HVDC UPTO +/- 800 KV 1 Φ Converter Transformer
498 MVA FOR + 500 KV
295 MVA FOR + 800 KV
498 MVA FOR + 500 KV
295 MVA FOR + 800 KV

MANUFACTURING FACILITIES

HORIZONTAL WINDING MACHINE
VERTICAL WINDING MACINES
AC WINDING BAYS
500 T PRESS
PRESSURISED ASSEMBLY HALL
CORE BUILDING PLATFORM
CORE & COIL ASSEMBLY PLATFORM
OIL TREATMENT PLANT
2X250 TON OVERHEAD CRANES

EXPERIENCE IN SHORT CIRCUIT TESTING

BHEL Bhopal has very rich experience of Short Circuit (SC) testing of its transformers at national and international laboratories. Following transformers have successfully passed in SC test.
Sl. No.MVAKVTypeCustomerYearAt Lab
1102400GTNJPC1998KEMA
22533UATMSEB1998CPRI, India
340132STMSEB1999CPRI, India
4186220GTNTPC, Garidabad1999KEMA
550400STNTPC, Simahdari2000KEMA
65033UATNTPC, Simahdari2001CPRI, India
74533UATNTPC, Talcher2002CPRI, India
8200400GTNTPC, Simahdari2002KEMA
9167400ICTNTPC, Dadri2002KEMA
10200400GTNTPC, Talcher2002KEMA
112533UATNTPC, Ramagundam2002CPRI, India
1263132STNTPC, Ramagundam2003CPRI, India
1380132STNTPC, Rihand2003CPRI, India
14100400Tie TrNTPC, Ramagundam2003KEMA
1570400GTTala, Bhutan2003KEMA
1690132STNTPC, Sipat2007CPRI, India
173533UATNTPC, Sipat2007CPRI, India
18250220GTNTPC, Unchhahar2007KEMA
1982400GTNTPC, Koldam2008KEMA
20220400GTPPCL2010KEMA
21292400GTPPCL2011KEMA
2253400GTNHPC, Parabati2011KEMA
23260400GTNTPC, Barh2013KEMA
2480400STNTECL, Vallur2013CPRI, India
25100400STSECL, Singerni2016CPRI, India
26120400STNTPC, Lara2017NHPTL, Bina
27260400GTNTPC, Tanda2018NHPTL, Bina
28315400ICTNTPC, Tanda2018NHPTL, Bina
29315400ICTPGCIL BHINMAL2018NHPTL, Bina
30200400ICTNTPC, Sipat2019NHPTL, Bina
31315400GTM/S TATA PROJECT 2019NHPTL, Bina
32100400STM/s DOOSAN2020CPRI, India
33500400ICTM/s UPPTCL2020NHPTL, Bina
34110400STM/s UPRVNL2021NHPTL Bina
35330765GTTANGEDCO2022NHPTL Bina

MAJOR HIGHLIGHTS

  • 333 MVA, 1150/3/400/3/33 KV, 1-Ph, Auto Transformer for POWERGRID 1200 KV experimental line in 1200 KV UHVAC substation at Bina – India in 2011 (First Indian Manufacturer).
  • 498MVA, ±500KV HVDC Convertor Transformer for POWERGRID Balia – BhiwadiHVDC transmission line project in 2011.
  • 50 MVAR, 420 KV, 3-Ph Controlled Shunt Reactor installed at Bina substation of POWERGRID – India in the year 2001.
  • 315 MVA 400 kV, 3-Ph class Phase Shifting Transformer commissioned at then APGENCO Kothagudam in 2013.
  • 275MVA I-Phase, 765KV, Generator Transformer for BIDCO 3x660MW STPP at Lalitpur in the Year 2015.
  • 500MVA I-Phase, 765KV, Interconnecting Transformer for Megha Engg. against UPPTCL Tr. Project in Year 2016.
  • 80MVAR I-Phase, 765KV, Shunt Reactor for Megha Engg. against UPPTCL Tr. Project in Year 2016.
  • 110MVAR I-Phase, 765KV, Shunt Reactor for BIDCO 3x660MW STPP at Lalitpur in the Year 2016.
  • 295.1MVA, +/- 800KV HVDC Converter Transformer for Power grid North East Agra 6000MW HVDC Interconnecting Transmission Line Project in the year 2017.
  • 295.1MVA, +/- 800KV HVDC Converter Transformer for Power grid Raigarh Phuglur 6000MW HVDC Interconnecting Transmission Line Project in the year 2019.
  • 333 MVA I-Phase, 765KV, Interconnecting Transformer for PGCIL 2020.
  • 500 MVA I-Phase, 765KV, Interconnecting Transformer for PGCIL 2021.
  • 80 MVAR I-Phase, 765KV, Shunt Reactor for PGCIL 2020.
  • 110 MVAR I-Phase, 765KV, Shunt Reactor for PGCIL 2020.
  • 520 MVA 3 Phase 400 KV Interconnecting Transformer for M/s BIFPCL MAITREE project at Bangladesh 2021.
  • Successful Short Circuit Testing of 500 MVA 3 Phase 400 kV Class Interconnecting Transformer for M/s UPPTCL (2020).
  • Successful Short Circuit Testing of 330 MVA 1 Phase 765 kV Class Generator Transformer for M/s TANGEDCO(2022).