hv bushing yash make Presentation - NTPC.pptx

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1. YASH HIGHVOLTAGE LTD. COMPANY PRESENTATION

2. ABOUT US Yash Highvoltage Ltd. (an ISO 9001 company) is an independent, indigenous manufacturer of import substitute transformer bushings and Fibre glass cylinders, based in Gujarat - India. ESTABLISHMENT From humble beginnings in the year 2002, YASH has today emerged as one of the preferred solution providers, catering to the upper segment of the Power transformer industry in a short span of 19 years

3. QUICK STATS Let us understand the critical nature of transformer bushings through some simple examples

4. QUICK STATS 17000

5. KEY ACHIEVEMENTS - PRODUCTION Localized RIP bushings supplied – 4000+ since 2016 Localized 245 kV RIP bushings produced in a year – 200+ Highest qty. of 145kV RIP bushings produced – 500+ Nos. Highest qty. of OIP bushings produced in a year – 2000+ Nos . Highest qty. of 145kV OIP bushings produced in a year – 800+ HIGHEST OVERALL BUSHING QTY PRODUCED IN A YEAR – 3700+ CROSSED 17,000 BUSHINGS MARK - TOTAL SUPPLY TILL DATE

6. TRANSFORMER BUSHINGS SUPER-CRITICAL ENTRY & EXIT GATEWAY FOR POWER FLOW INTO AND OUT OF A POWER TRANSFORMER A Power Transformer works on electromagnetic induction principle, and typically requires thousands of litres of Oil and paper as an insulation and cooling medium. A transformer bushing acts as a critical exit and entry pathway to conduct power safely from/to High voltage Power lines in an out of a Power Transformer, while providing sealing to prevent contact of Transformer Oil with Air.

7. APPLICATION OF TRANSFORMER BUSHINGS IN POWER GENERATION AND TRANSMISSION HIGH CURRENT BUSHINGS HIGH VOLTAGE BUSHINGS (POWER TRANSMISSION)

8. Rated Voltage 24kV ~245kV

9. Installed base in more than 40 countries

10. RECENT PRESTIGIOUS EXPORT ORDERS 36 kV 3150 A 0 CT OIP Bushing with Polymer Insulator 69 kV 800 A 534 CT OIP Bushing as per IEEE C57.19.00/01 Standard

11. NATION-WIDE ACCEPTANCE

12. YASH TODAY AMONG Fewer than 10 distinguished players globally YASH now a leading supplier for their Import substitute product range in India. Most established global competitors are more than 50 years old global power houses YASH now penetrating international market by exporting to more than 35 countries

13. VOLTAGE : 24 ~ 36 kV CURRENT : 4000 ~ 25,000 AMPERES APPROVED BY INDIA’s PREMIERE UTILITIES SUPPLIED TO DISCERNING TRANSFORMER MAKERS: LV HIGH CURRENT BUSHINGS - IEC 60137

14. COPPER DESIGN – HIGH CURRENT • 10,000-2 ,000 A No welding Single solid center conductor Top terminal single solid piece No terminal connector needed

15. SUCCESSFUL SHORT CIRCUIT PERFORMANCE - HIGH CURRENT BUSHING – UPTO 20000A

16. SUCCESSFUL SHORT CIRCUIT PERFORMANCE - HIGH CURRENT BUSHING – UPTO 20000A

17. VOLTAGE : 24 ~ 170 kV CURRENT : Upto 3150 Amperes APPROVED BY PREMIERE UTILITIES : SUPPLIED TO DISCERNING TRANSFORMER MAKERS: HIGH VOLTAGE OIP CONDENSER BUSHINGS – IEC 60137

18. HV OIP CONDENSER BUSHINGS IN PERFORMANCE SINCE 8-10 YEARS MORE THAN 4000 BUSHINGS RATED 36KV, 52KV AND 72.5KV INSTALLED AT VARIOUS GETCO SITES SINCE 2009 PERFORMING SATISFACTORILY

19. Supply to SANIL Korea – 34.5kV for US market as per IEEE 34.5 kV 1200 A ANSI Bushing

20. Innovative New Developments Only 2 nd company in world to develop OIP Condenser bushing with Polymer insulator All the benefits of OIP Condenser bushings minus the difficulties with Porcelain insulator Only company offering 24/36kV , 2000/3150A solution OIP Condenser bushing as replacement to DIN type LV bushings Usable for 11kV ~ 36kV applications Ability to condition monitor using test tap

21. BASIC DESIGN OF OIP (OIL IMPREGNATED PAPER) BUSHINGS

22. TYPICAL CONSTRUCTION OF OIP BUSHING (OIL TO AIR TYPE) THE BUSHINGS ARE HERMETICALLY SEALED WITH OIL FILLED AIR END TERMINAL OIL LEVEL INDICATOR AIR END INSULATOR MOUNTING FLANGE OIL END INSULATOR

23. BASICS DESIGN OF RIP/RIS BUSHINGS

24. TYPICAL CONSTRUCTION OF RIP/RIS BUSHING (OIL TO AIR TYPE) Hollow polymeric Silicone insulator Dry insulation filling

25. ADVANTAGES OF RIP/RIS BUSHINGS

26. ADVANTAGES OF RIP CONDENSER BUSHINGS Creped Insulating Kraft Paper, Dried under Temperature and Vacuum, Impregnated under Vacuum with Special Grade Epoxy Resin Advantages of RIP Condenser Bushings : Oil Free Bushings hence no need for oil supervision Non-inflammable and hence provides Complete Safety against Fire to Power Transformers. No Partial Discharges during Lifetime. Excellent Seismic/Earthquake performance High thermal strength (120 deg. C) Mechanically rigid, yet lightweight and compact, 50% of weight of OIP Transported, stored and installed at any angle Can be energized immediately after installation Seals the transformer and reduces downtime in the event of major TFO failures At present YASH HIGHVOLTAGE IS THE ONLY LOCAL MANUFACTURER of RIP Bushings in India.

27. ADVANTAGES OF SILICONE INSULATORS

28. CATASTROPHIC CONSEQUENCES OF BUSHING FAILURE Transformer breakdowns caused by bushing failure are often followed by explosion, tank rupture, fire and potential human harm Explosive failures can result in hazardous fire which could also damage the nearby outdoor equipment The ensuing damage and losses can be colossal

29. GLOBAL STATISTICS OF CAUSES FOR TRANSFORMER FAILURES Bushing failures constitute the third largest cause of transformer failures globally Some key root causes for bushing failures Dust, moisture Poor workmanship Lack of expertise by end users/ oem’s skilled manpower Lack of proper condition monitoring

30. First in world development-   52 kV 6300 Amp RIP Bushing SUPPLIED FOR POWERGRID STATCOM PROJECTS

31. 52KV 6300A YASH RIP BUSHING INSTALLED AT PGCIL STATCOM SITES

32. Y ASH NOW OFFERS THE LATEST IN DRY BUSHING TECHNOLOGY – RESIN IMPREGNATED SYNTHETIC (RIS) BUSHINGS YASH HAS NOW LOCALIZED PRODUCTION of RESIN IMPREGNATED SYNTHETIC (RIS) BUSHINGS UPTO 245KV IN INDIA. RIS BUSHINGS ARE THE LATEST IN DRY BUSHING TECHNOLOGY Enhanced with new features: Easier handling for long transportation and storage Reduced tan delta and capacitance Not affected by humidity

33. HIGHLY SOUGHT AFTER SPARES AND RETROFIT BUSINESS VERTICAL: REP 145kV RIS BUSHING localized and Installed at CESC – Kolkata as retrofit to 145 kV OIP bushing of Crompton make REPLACING OIP BUSHING WITH RIS BUSHING ON EXISTING TRANSFORMERS HAS BEEN VERY FRUITFUL

34. Insulating Technology comparison Needs complete housing Flammable due to presence of oil Needs mechanical support Core may drop into the transformer if housing is damaged Partial discharge free Good ageing experiences Lower production costs Max. temperature < 105°C Negative Positive Negative Positive Fewer installations – Utilities are now discovering the advantages of RIS bushings and specifying them more All the positives of RIP bushings, but additionally the following: Lower Tan Delta Shorter production time Non sensitive to humidity POWERGRID AND CEA have initiated new standardized specifications with RIP/RIS bushings Negative Positive Negative Positive Oil and gas tight system No housing for oil end necessary Non-flammable Operates with damaged housing temporarily, Repair of silicone housing possible to some extent Core is fixed to flange Excellent mechanical behavior Partial discharge free Excellent ageing experience Mounting position allowed at any angle Max. temperature < 120°C Positive Positive Higher production costs Bottom part sensitive to humidity Negative RIS RIP RIS OIP

35. NATION-WIDE ACCEPTANCE for RIP/RIS BUSHINGS By Prominent Central and State bodies

36. OUR PATRONS FROM THE TRANSFOMER INDUSTRY FOR RIP BUSHINGS:

37. MORE THAN 3500 LOCALIZED RIP BUSHINGS SUPPLIED SINCE 2017 BY YASH INDIA MORE THAN 1000 RIP BUSHINGS FROM 24KV UPTO 245KV UNDER EXECUTION MORE THAN 150 RIP BUSHINGS OF 245 kV UNDER EXECUTION

38. HIGHLY SOUGHT AFTER SPARES AND RETROFIT BUSINESS VERTICAL: 145kV RIS BUSHING localized and Installed at CESC – Kolkata as retrofit to OIP bushing of Crompton make

39. HIGHLY SOUGHT AFTER SPARES AND RETROFIT BUSINESS VERTICAL: REP 145kV RIS BUSHING localized and Installed at CESC – Kolkata as retrofit to 145 kV OIP bushing of Crompton make REPLACING OIP BUSHING WITH RIS BUSHING ON EXISTING TRANSFORMERS HAS BEEN VERY FRUITFUL

40. Condenser Bushings per IEC 60137 145kV 400A Air-Air Wall bushing 170kV 800A Oil-Air bushing 72.5 kV 800A OIP Polymer bushing 72.5 kV 3150A OIP bushing 72.5 kV 800A OIP bushing 72.5 kV 800A RIP bushing 36 kV 3150A OIP bushing

41. BUSHING MANUFACTURING Each Bushing is subjected to tightness test at 1.8 kg/cm 2 for 16 hours. TIGHTNESS TEST FLAW CHECK DEVELOPER is used for efficient detection of oil seepage from leakage joints

42. TYPE TESTS

43. All Products type tested at Accredited labs PFIFFNER TEST LAB – SWITZERLAND – ACCREDITED TO INTERNATIONAL LABORATORIES COLLABORATION AGREEMENT (ILAC) ERDA TEST LAB – INDIA – ACCREDITED TO NABL, which is member of INTERNATIONAL LABORATORIES COLLABORATION AGREEMENT (ILAC) ERDA is accredited with National Board of Accreditation for Laboratories (NABL) (Certificate no. TC-5389). This, alongwith NABL logo is visible in each ERDA type test report in top left corner. NABL follows accreditation guidelines as per IEC 17025.

44. STATE OF THE ART INFRASTRUCTURE Condenser bushings require a highly clean, moisture free and dust free manufacturing setup. YASH’s strength in precision manufacturing is reflected in the industry best equipments and manufacturing practices. Despite a humble setup, the factory consists of World class equipments imported from Germany, Switzerland, USA, China and other parts of Europe to enable a facility which is second to none in the bushing industry. Dust free, ambient controlled Winding and Assembly rooms Best in class space saving Handling equipments like Pillar mounted JIB cranes allow efficient utilization of production space. Innovative Trussless roof prevents bird menace and the ensuing dust/dirt, bird droppings which may prove dangerous to the product quality. In house - 1200 kVp High Powered Impulse test laboratory and 400 kV HV test lab set YASH a class apart The facility has been audited and accepted by Stalwarts and Discerning end users industry-wide.

45. STRENGTH IN QUAILTY AND TESTING From Incoming to Final dispatch – nothing left to chance

46. STALWART TECHNICAL EXPERTS ON BOARD

47. STALWART TECHNICAL EXPERTS ON BOARD Mr. Y V Joshi – Senior Technical Expert He brings his 35 years of experience in the field of Power transmission at the most Powerful State Transmission Utility of India, GETCO. He is a renowned name in Indian Power Utilities for bringing in considerable innovative changes in mostly all the LV to EHV class electrical equipment technologies, Quality assurance, asset management for reliability, economy and sustainability. Distinguished member of CIGRE & Ex- President of ERDA for last 4 years Associated with all major technical platforms, technical committees, including CEA, BIS, CBIP, IEEMA

48. SERVICES/RETROFITS REPLACEMENTS OF ANY MAKE BUSHINGS

49. SERVICES - Ditto Interchangeable Site Replacements f or Reputed International Makes 145kV 800A 600 BCT bushing CUSTOMER – MPPTCL OLD BUSHING MAKE – METROVICK (1962) TECHNOLOGY - SRBP NEW BUSHING MAKE – YASH HIGHVOLTAGE (2016) TECHNOLOGY – OIP CONDENSER Exact interchangeability with site bushing: Specially matched mounting Specially matched oil end Specially matched creepage

50. SERVICES - Ditto Interchangeable Site Replacements for Reputed International Makes CUSTOMER – MPPTCL NEW BUSHING MAKE – YASH HIGHVOLTAGE (2016) TECHNOLOGY – OIP CONDENSER Exact interchangeability with site bushing: Specially matched mounting Specially matched oil end Specially matched creepage

51. 52kV 1250A Condenser bushing SITE INSTALLATION AT MPPTCL KHANDWA

52. National utilities increasing OIP to RIP retrofitting

53. 16KA Bushing Installation at ALSTOM A/c. NTPC SINGRAULI SUPER THERMAL POWER STATION – 5 x 200 MW and 2 x 500 MW TRANSFORMER Class – 420 kV BUSHING Rating – 36kV 16000 A All copper bushing

54. YASH LV Bushing Installation on NPCIL Kakrapar Atomic Power station – thru Toshiba TTDI

55. 4.5 kA Bushing Installation at EMCO A/c. NTPC KAWAS BUSHING Rating – 24kV 4500 A All copper bushing

56. DITTO INTERCHANGEABLE SITE REPLACEMENTS FOR REPUTED INTERNATIONAL MAKES 36 kV 1 6000 A For NSPCL 36kV 5000 A EHC Special 500 BCT For US customer 24kV 6500 A For NSPCL

57. DITTO INTERCHANGEABLE REPLACEMENTS OF REPUTED GLOBAL MAKES CUSTOMIZED/SPECIALLY DEVELOPED HIGH CURRENT BUSHINGS 24kV 12.5kA Original make: BHEL 36kV 16kA Copper A/c. NTPC Singhrauli , TEHRI Hydro 24kV 12.5kA Copper A/c. CG- Zimbabwe

58. DITTO INTERCHANGEABLE SITE REPLACEMENTS FOR REPUTED INTERNATIONAL MAKES 24kV 5.5kA A/c. Torrent Power. Make: BHEL 24kV 4kA Copper A/c. NTPC Jajjar 24kV 4.5kA Copper A/c. NTPC – Kawas Site

59. Growth Oriented Strategies EQUITY PARTNERSHIP WITH 100 YEARS OLD MOSER GLASER – SWITZERLAND- PIONEERS OF DRY RESIN IMPREGNATED PAPER TECHNOLOGY MOSER GLASER IS PART OF WORLD RENOWNED PFIFFNER GROUP OF COMPANIES SWISS TECHNOLOGY WITH INDIAN RELIABILITY

60. MGC IS A PFIFFNER GROUP COMPANY www.pfiffner-group.ch Pfiffner International is a group of companies manufacturing Oil insulated Instrument transformers upto 550 kV Pfiffner owns 8 companies globally including Moser Glaser in Switzerland and otherS in Brazil, Germany, and now in India Pfiffner INDIA – under Make-in-India initiative will manufacture upto 400 kV instrument transformers locally, with over 70 years of Swiss technology

61. PFIFFNER Group Voltage and current transformers Resistive capacitive voltage dividers Isolated busbar solutions DURESCA Transformer and wall bushings Disconnectors Cable solutions for rolling stock HV AC and Impulse Test Systems Instrumentation

62. RIP Bushings & Busbars from MGC Moser Glaser AG, Switzerland. 100+ YEARS OF SWISS QUALITY Complimentary Power Products All products under one basket 36kV~245kV at YASH 245kV and above at MGC Busbar systems for Generating stations from MGC Global Cross networking strategy: Common Agents world-wide OIP/High current overseas requirements referred to YASH by MGC’s global sales network RIP overseas requirements from India referred to MGC

63. Solutions for power generation plants and substations Components: Wall bushings and transformer bushings Core Competence: RIP Technology

64. M G C P r odu ct R an g e DU R E S C A ® B u s b a r s DU R E S C A ® B u s b a r s T I R E S C A ® B u s b a r s T I R E S C A ® B u s b a r s DU R E S C A ® Wa l l b u s h i n g DU R E S C A ® Wa l l b u s h i n g DU R E S C A ® B u s h i n g s DU R E S C A ® B u s h i n g s M e m b e r o f the P F I FFN ER G rou p www . m g c . c h / pag e 8 /

65. Oil to Air – DTOI(S) www.mgc.ch / page 66 / 03.06.2021 Application : Oil to Air Standard: IEC60137 ed7.0 / 07-2017 Insulation : RIP or RIS Housing : Silicone, direct molded or hollow -core insulator Voltage range : 36 to 550 kV Current range : 36kV-10000A up to 500kV-2000A

66. Recent Development DTOI 420kV

67. Oil to Air IEEE – DTOIA(S) www.mgc.ch / page 68 / 03.06.2021 Application : Oil to Air Standard: IEEE C57.19.01-2000 & C57.19.00-2004 Insulation : RIP or RIS Housing : Silicone, direct molded or hollow -core insulator Voltage range : 25 kV to 500 kV Current range : 25kV – 5000A 550kV – 2000A

68. Oil to Oil or SF6 – DTO(S) / DTOX(S) www.mgc.ch / page 69 / 03.06.2021 Application : Oil to Oil and Oil to SF6 Standard: IEC60137 ed7.0 / 07-2017 Insulation : RIP or RIS Housing : - Voltage range : 36 to 550 kV

69. New product : RIS Bushings with paper free insulation RIS share the same benefits as RIP: Partial discharge free Installation at any angle Enhanced with new features: Easier handling for long transportation and storage Reduced tan delta and capacitance Not affected by humidity Year of delivery RIP RIS Total 2016 3362 3362 2017 3247 27 3274 2018 5290 9 5380 2019 4589 2 21 4810 YTD 2020 1916 109 2025 Population of RIS bushings

70. - OIP oil impregnated paper RIP resin impregnated paper RIS resin impregnated synthetic MGC solution polyester textile impregnated under vacuum with epoxy resin Bushing core, made of resin impregnated synthetic (MGC) Insulation technology

71. Special test on RIS bushings : 2000 Hours and 100% humidity

72. Multi- bending test : 50 000 Cycles -40°C / +50°C

73. Retrofit bushings www.mgc.ch / page 74 / 03.06.2021

74. For bushings up to 550kV Impulse test system 2200kV 110 kJ 5 kJ per stage New test laboratory

75. D U R E S C A ® b u s b a r s y s t e m s P r od u ct R a n g e www . m g c . c h / pag e 76 / 16 . 04 . 202

76. D U R E S C A ® B u s ba r S ys t e m s M e m b e r o f the P F I FFN ER G r o u p www . m g c . c h / pag e 77 / 16 . 04 . 202 F u ll y i n s u l a t ed , t o u c h s a f e C apa c i t i v e g r ad e d V o l t age s u p to 17 k V C u r r en t s u p to 8 00 A S o li d an d s e pa r a t e ph a s e s H i g h s h o r t - c i r c u i t c u r r e n t c apa b i l i t y 1 % f a ct o r y t e st e d P a r t i a l d i sc ha r g e f r e e C u st o m en g i nee r e d f o r e a s y an d f a st i n s t a ll a t i o n M a i n t en a n ce f r e e N o n e e d f o r s p a r e pa r ts

77. YASH’S RIP BUSHING MAKE IN INDIA COMMENDED AT STATE AND NATIONAL LEVEL

78. YASH ENGINEERS AND PRODUCTION SUPERVISORS ANNUAL TRAININGS AT MOSER GLASER - SWITZERLAND

79. Awards & Recognitions FGI Certificate of Merit – Research in Science & Technology 2014-15 FGI Certificate of Merit – Outstanding MSME 2015-16 Switch Global Award for Excellence – 2016

80. Awards & Recognitions Yash Awarded in 2019 – For carrying out Import substitution under MAKE IN INDIA Initiative and outstanding supply performance to BHEL

81. BRANDING & VISIBILITY YASH ARTICLE ON BUSHINGS IN INTERNATIONAL TRANSFORMERS MAGAZINE - CROATIA PROMOTER INTERVIEW IN MANY OTHER NOTEWORTHY CIRCULATIONS

82. Participation in Global Exhibitions ( Elecrama -India, Gridtech -India, Trafotech -India, CWIEME Berlin, FISE Columbia, MEE-Dubai and many more

83. SPONSORSHIPS and Technical paper presentations at International Forums – such as CIGRE, CBIP, CEA(CENTRAL ELECTRICAL AUTHORITY), TRAFOTECH – appreciated by the Power Industry