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POWER AND DISTRIBUTION TRANSFORMERS – TECHNOLOGIES, MATERIALS, APPLICATIONS, NEW DEVELOPMENTS, INDUSTRY STRUCTURE AND GLOBAL MARKETS
(View Introduction/Table Of Contents)
Publish Date: Apr 2015,   Pages: 81,   Report Code: ET-125
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1. INTRODUCTIONXIII to XVIII
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INTRODUCTION....................................................................................................... 1

STUDY GOALS AND OBJECTIVES..............................................................2

REASONS FOR DOING THE STUDY............................................................2

CONTRIBUTIONS OF THE STUDY..............................................................3

SCOPE AND FORMAT....................................................................................3

METHODOLOGY.............................................................................................3

INFORMATION SOURCES.............................................................................4

WHOM THE STUDY CATERS TO..................................................................5

AUTHOR’S CREDENTIALS.............................................................................5

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2. EXECUTIVE SUMMARYXIX to XXI
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SUMMARY TABLE:GLOBAL MARKETS FOR POWER TRANSFORMERS

AND DISTRIBUTION TRANSFORMERS, 2014 AND 2019 ......................................... XX

SUMMARY FIGURE: GLOBAL MARKET SHAREFOR POWER TRANSFORMERS AND DISTRIBUTION TRANSFORMERS IN 2014 AND 2019 .............................................. XX

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3. INDUSTRY OVERVIEW1-10
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POWER TRANSFORMERS ........................................................................................... 1

DISTRIBUTION TRANSFORMERS ............................................................................. 2

INDUSTRY DYNAMICS ................................................................................................3

TABLE 1 SELECTED GLOBAL POWER TRANSFORMER

MANUFACTURERS ................................................................................................... 5

OVERVIEW OFTHE TRANSFORMER INDUSTRY BY COUNTRY ......................... 6

CHINA ......................................................................................................................... 6

INDIA........................................................................................................................... 7

UNITED STATES ....................................................................................................... 8

EUROPE ...................................................................................................................... 8

JAPAN ......................................................................................................................... 9

THE REST OF THE WORLD (ROW) ........................................................................ 9

PRICING FOR POWER TRANSFORMERS ............................................................... 10

TABLE 2 AVERAGE PRICES OF SELECTED POWER

TRANSFORMERS, 2014 .......................................................................................... 10


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4. GLOBAL MARKET OVERVIEW11-19
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MARKET SIZE ..........................................................................................................11

TABLE 3 GLOBAL MARKETS FOR PT AND DT COMBINED BY REGION,

2014 AND 2019 ........................................................................................................12

GLOBAL MARKET SHARES COMPARED TO OTHER PUBLISHED DATA ... 12

TABLE 4 PUBLISHED DATA VERSUS IRAP DATA FOR PT AND DT MARKETS ................................................................................................................. 13

FIGURE 1 GLOBAL SHARE OF PT AND DT MARKET SEGMENTS IN 2014 ........ 14

CHINA MARKET ...................................................................................................... 14

U.S. MARKET ........................................................................................................... 15

EUROPEAN MARKET ............................................................................................. 15

JAPANESE MARKET .............................................................................................. 15

INDIAN MARKET .................................................................................................... 15

OTHER COUNTRIES............................................................................................... 15

TABLE 5 GLOBAL MARKET FOR POWER AND DISTRIBUTION

TRANSFORMERS, 2014 AND 2019 ........................................................................16

PT MARKET CALCULATION .................................................................................. 16

TABLE 6 BASIS OF CALCULATION OF GLOBAL MARKET SIZE FOR

POWER TRANSFORMERS, 2014 AND 2019......................................................... 17

DT MARKET CALCULATION ................................................................................ 17

TABLE 7 BASIS OF CALCULATION OF GLOBAL MARKET NUMBERS

FOR DISTRIBUTION TRANSFORMERS, 2014-2019 ........................................... 18

TABLE 8 GLOBAL MARKET FOR POWER TRANSFORMERS

BY REGION, 2014 AND 2019 .................................................................................19

TABLE 9 GLOBAL MARKETFOR DISTRIBUTION TRANSFORMERS

BY REGION, 2014 AND 2019 .................................................................................19

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5. TECHNOLOGY OVERVIEW20-46
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MAJOR COMPONENTS OF TRANSFORMERS ....................................................... 22

WINDINGS ............................................................................................................... 22

Materials used for windings of transformers ....................................................... 22

Size ......................................................................................................................... 23

Cost ......................................................................................................................... 23

CORES ....................................................................................................................... 24

MATERIALS USED FOR FABRICATION OF CORES ......................................... 24

Grain-oriented silicon steels (GOES) ……………………………………………24

Non-oriented electrical steels (NOES)………...………………………………...25

Semiprocessed grades…………………………………………………………26

Fully processed grades ………………………………………………………..26

High permeability steel (HIB):…………………..……………………………… 27

Ferromagnetic amorphous alloys………………..………………………………27

Materials:………………………………………………………………………. 27

CONSERVATOR TANKS ......................................................................................... 28

RADIATORS.............................................................................................................. 29

BUCHHOLZ RELAYS .............................................................................................. 29

BUSHINGS ............................................................................................................... 29

POWER TRANSFORMERS AND GENERATING STEP-UP (GSU) TRANSFORMERS ........................................................................................................ 30

TABLE 10 TYPICAL SPECIFICATIONS OF POWER TRANSFORMERS ......... 31

CONSTRUCTION OF POWER AND DISTRIBUTION TRANSFORMERS ............. 31

POWER TRANFORMERS ....................................................................................... 31

FIGURE 2 BASIC CONFIGURATION OF CORE AND WINDING

IN A TYPICAL POWER TRANSFORMER ................................................................32

FIGURE 3 FEATURES OF A TYPICAL POWER TRANSFORMER ................... 34

DISTRIBUTION TRANSFORMERS ....................................................................... 34

TABLE 11 TYPICAL NO-LOAD LOSS REDUCTION VALUES FOR

DIFFERENT TYPES OF DISTRIBUTION TRANSFORMERS ............................ 37

TABLE 12 COMPARISON OF SILICON STEEL VERSUS AMORPHOUS

ALLOY IN CORES OF DISTRIBUTION TRANSFORMERS ............................... 38

EFFICIENCY REGULATION ..................................................................................... 38

TABLE 13 EFFICIENCY REGULATIONS IMPACTING DISTRIBUTION

TRANSFORMERS IN DIFFERENT REGIONS ..................................................... 40

TABLE 14 COMPARISON OF AVAILABLE NATIONAL STANDARDS ON

EFFICIENCY LEVELS FOR CERTAIN DISTRIBUTION TRANSFORMERS ... 41

NEW DEVELOPMENTS ............................................................................................. 42

TABLE 15 NEW DEVELOPMENTS IN TRANSFORMERS

DURING 2004-2014 .....................................................................................................43

PARTNERSHIP, ACQUISITION AND MERGER ACTIVITY IN THE

TRANSFORMER INDUSTRY ..................................................................................... 45

TABLE 16 PARTNERSHIP, ACQUISITION AND MERGER ACTIVITY

IN POWER AND DISTRIBUTION TRANSFORMERS DURING 2004-2014 ........... 46


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6. PATENTS AND PATENT ANALYSIS47-54
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LIST OF PATENTS ...................................................................................................... 47

DISCONNECTOR FOR DISTRIBUTION TRANSFORMERS

WITH DIELECTRIC LIQUID ...........................................................................................47

ARC-RESISTANT DRY TYPE TRANSFORMER ENCLOSURE HAVING

ARC FAULT DAMPER APPARATUS ............................................................................47

POWER TRANSFORMER WITH AMORPHOUS CORE ...................................... .......48

TRANSFORMER PROVIDED WITH A TAPS PANEL, AN ELECTRIC-INSULATION

METHOD TAPS PANEL OF A DRY DISTRIBUTION TRANSFORMER .......................48

SUBMERSIBLE DRY DISTRIBUTION TRANSFORMER ............................................ 48

CORROSION-RESISTANT COATING SYSTEM FOR A DRY-TYPE

TRANSFORMER CORE ........................................................................................... ..49

METHOD FOR NOISE REDUCTION IN TRANSFORMERS ..................................... 49

AUGMENTED DISTRIBUTION TRANSFORMER AND

METHOD OF MAKING SAME .....................................................................................50

CONTROL DISTRIBUTION TRANSFORMER AND METHOD OF MAKING SAME ......................................................................................................................... 50

INSULATION FOR POWER TRANSFORMERS ................................................... 50

OUTDOOR DRY-TYPE TRANSFORMER .............................................................. 51

VERSATILE DISTRIBUTION TRANSFORMER .................................................. 51

HYBRID DISTRIBUTION TRANSFORMER WITH AN INTEGRATED

VOLTAGE SOURCE CONVERTER ........................................................................ 51

PATENT ANALYSIS .................................................................................................... 52

TABLE 17 TOP FOUR COMPANIES GRANTED U.S.PATENTS IN

TRANSFORMER TECHNOLOGY DURING 2010-2014 ....................................... 52

FIGURE 4 TOP U.S. TRANSFORMER PATENT ASSIGNEES, 2010-2014 ....... 53

OVERVIEW OF U.S. PATENT ACTIVITY IN TRANSFORMERS...........................53

TABLE 18 NUMBER OF U.S. TRANSFORMER PATENTS ASSIGNED

BY REGION FROM JANUARY 2010 THROUGH SEPT 2014 ................................54


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7. APPENDIX I COMPAMY PROFILES55-71
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PART 1: POWER TRANSFORMERS .......................................................................... 55

ABB ............................................................................................................................ 55

ALSTOM (AREVA) ................................................................................................... ..56

………………………..

………………………..

VIRGINIA TRANSFORMER CORPORATION (VTC) ........................................... .....68

XIAN XD TRANSFORMERS CO. LTD. (XD TRANSFORMER) ........................... 68


PART 2: DISTRIBUTION TRANSFORMERS ............................................................ 69

BHARAT BIJLEE LTD. ........................................................................................... 69

CHINA TRNSFORMER ELECTRIC CO LTD ........................................................ 69

………………………..

………………………..

FORTUNE ELECTRIC CO., LTD. .......................................................................... 70

TRANSFORMERS & ELECTRICALS KERALA, LIMITED (TELK) ................... 71



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8. APPENDIX II INDEPENDENT POWER PRODUCERS AND ENERGY TRADERS72
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TABLE 19 TOP INDEPENDENT POWER PRODUCERS AND

ENERY TRADERS ...................................................................................... 72

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9. APPENDIX III MAJOR GROWTH UTILITIES IN THE US 73-74
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TABLE 20 MAJOR POWER UTILITIES IN THE U.S. ......................................... 74

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10. APPENDIX IV ULTRA-HIGH VOLTAGE DIRECT CURRENT TRANSFORMERS 75-81
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DEVELOPMENT OF TRANSMISSION IN 800 KVDC AND CONVERTOR TRANSMORMERS ....................................................................................................... 75

FIGURE 5 COST COMPARISON OF 800 KV AC, 600 KVAC, 800KVDC ........... ........76

CHARACTERSTICS OF AC CONVERTOR TRANSFORMERS USED IN AN

HVDC CONVERTER STATION ...................................................................................77

CONVERTER TRANSFORMER ...................................................................................77

SPECIAL TESTS FOR HVDC TRANSFORMERS ...................................................... 77

SPECIAL DEMANDS ON TRANSFORMERS FOR HVDC ..........................................78

CASE STUDY: UHV TRANSMISSION IN CHINA ....................................................... 78

UHV CIRCUITS COMPLETED OR UNDER CONSTRUCTION ................................. 79

ADVANTAGES OF HVDC OVER AC TRANSMISSION ........................................... ..80

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