Detailed Project Report on distribution transformer (both crt & oil filled) and power transformer up to 20mva
Detailed Project Report on distribution transformer (both crt & oil filled) and power transformer up to 20mva
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DISTRIBUTION TRANSFORMER (BOTH CRT & OIL FILLED) AND POWER TRANSFORMER UP TO 20MVA
[CODE NO.3939]
A transformer is a device for transferring energy in a system from one circuit to another. It consists of two independent electric circuits linked with a common magnetic circuit. This energy at low voltage may be transformed to energy at high voltage, or vice versa. In the like manner, current of a given value in one circuit may be transformed into current of another value in a different circuit. the winding of the transformer connected to the supply circuit is termed as primary winding and these windings of the transformer that are connected to the receiver circuits are called secondary windings. Transformers having more than one primary or secondary winding etc.
COST ESTIMATION
Plant Capacity : 0.76 Nos/Day
Land & Building (10000 sq.mt.) : Rs. 4.76 Cr
Plant & Machinery : Rs. 2.29 Cr
Working Capital for 2 Month : Rs. 4.39 Cr
Total Capital Investment : Rs. 11.72 Cr
Rate of Return : 19%
Break Even Point : 62%
INTRODUCTION
PRINCIPLE OF TRANSFORMER
FIGURE 1: RELATIONSHIP BETWEEN CURRENT, MAGNETIC FIELD
STRENGTH AND FLUX
DISTRIBUTION TRANSFORMER
TYPES OF DISTRIBUTION TRANSFORMERS:
1. DRY TYPE TRANSFORMER
TYPES OF DRY TYPE TRANSFORMERS
1. CAST RESIN DRY TYPE TRANSFORMER (CRT)
OPEN WOUND
VACUUM PRESSURE IMPREGNATION (VPI)
VACUUM PRESSURE ENCAPSULATED (VPE)
CAST COIL (MOULD EPOXY SEALING)
CONSTRUCTION
CORE
MEDIUM VOLTAGE WINDING
LOW VOLTAGE WINDING
STANDARD ACCESSORIES
TEMPERATURE MONITORING UNIT
FORCE VENTILATION SYSTEM
ENCLOSURE
FITTING AND ACCESSORIES
FEATURES OF CAST RESIN TRANSFORMER
ADVANTAGES
DISADVANTAGES
USES AND APPLICATION
CAST RESIN DRY TYPE TRANSFORMER WIDELY USED IN
OIL IMMERSED TRANSFORMER:
OILS USED IN OIL IMMERSED TRANSFORMER:
ADVANTAGES:
DISADVANTAGES:
(A) OUTER PARTS OF TRANSFORMER
(1) YOKE
(2) BUCHHOLZ RELAY
(3) CONSERVATOR TANK
(4) OIL LEVEL INDICATOR
(5) BREATHER
(6) WINDING TEMPERATURE INDICATOR
(7) COOLING FANS/RADIATOR
(8) SYSTEM GROUND TERMINAL
(9) DRAIN VALVE
(B) INNER PARTS OF TRANSFORMER
(1) CORE
CORE
CONSTRUCTION
(2) PRIMARY WINDING (HV-WINDING)
(3) SECONDARY WINDING (LV-WINDING)
WINDINGS
WINDINGS OF A TRANSFORMER
(4) TRANSFORMER OIL
USES AND APPLICATION OF DISTRIBUTION TRANSFORMER
POWER TRANSFORMER
CONSTRUCTION OF POWER TRANSFORMER
PARTS OF A TRANSFORMER
STEEL TANK:
CORE OF TRANSFORMER:
WINDINGS:
CONSERVATOR TANK:
CONSERVATOR TANK
BREATHER:
BREATHER
THERMOMETER:
PRESSURE RELIEF VENT:
VALVES:
BUCHHOLZ RELAY:
BUCHHOLZ RELAY
BUSHINGS:
TAP CHANGING SWITCH:
OFF LOAD TAP CHANGER:
OIL GAUGE:
RADIATOR:
COOLING FANS:
OIL PUMPS:
USES AND APPLICATION
USES
APPLICATION
B.I.S. SPECIFICATION
(A) FOR DISTRIBUTION TRANSFORMER
(B) FOR POER TRANSFORMER
FOR MORE INFORMATION CONTACT AT:
PROCESS FLOW CHART
(A) FOR CAST RESIN TRANSFORMER
(B) FOR LIQUID IMMERESED TRANSFORMER
(C) FOR POWER TRANSFORMER
MANUFACTURING PROCESS
(A) FOR CAST RESIN TRANSFORMER
CORE:
COIL WINDING:
LOW VOLTAGE WINDINGS:
HIGH VOLTAGE WINDINGS:
CASTING:
CURING:
CORE COIL ASSEMBLY:
TANKING:
TESTING:
TYPE TEST:
ROUTINE TEST:
OPEN CIRCUIT TEST:
SHORT CIRCUIT TEST:
HIGH VOLTAGE IMPULSE TEST:
TAPPING:
(B) FOR LIQUID IMMERESED DISTRIBUTION TRANSFORMER
(A) COIL WINDING
HIGH VOLTAGE COIL
LOW VOLTAGE COIL
(B) CORE ASSEMBLY
(C) CORE-COIL ASSEMBLY
(D) TANK FORMATION
(E) PAINTING
(F) BOX-UP OR TANKING
(G) FINAL TESTING
1. INSULATION RESISTANCE TEST
TEST PURPOSE
TEST INSTRUMENTS
TEST PROCEDURE
2. DC RESISTANCE OR WINDING RESISTANCE TEST
TEST PURPOSE
TEST INSTRUMENT
TEST PROCEDURE
KELVIN BRIDGE
METHOD NO: 2 (CURRENT VOLTAGE METHOD OF MEASUREMENT
OF WINDING RESISTANCE)
DC WINDING RESISTANCE TEST (CURRENT-VOLT METHOD)
TEST PROCEDURE
REQUIRED PRECAUTION
TEST ACCEPTANCE CRITERIA
TEST CAN DETECT
3. TURNS RATIO/VOLTAGE RATIO TEST
TEST PURPOSE
TEST INSTRUMENTS
METHOD NO 1 TURNS RATIO TESTING
TEST PROCEDURE
TRANSFORMER TURNS RATIO METER (TTR)
BRIDGE CIRCUIT
TEST CAUTION
METHOD NO 2 VOLTAGE RATIO TESTING
TEST PROCEDURE
TEST ACCEPTANCE CRITERIA
TEST CAN DETECT
4. POLARITY/VECTOR GROUP TEST
PURPOSE OF TEST
TEST INSTRUMENTS
TEST PROCEDURE
5. SHORT CIRCUIT TEST
TEST PURPOSE
TEST INSTRUMENT
TEST PROCEDURE
SHORT CIRCUIT TEST (WITHOUT USING CT, PT)
ACCEPTANCE CRITERIA
TEST CAN DETECT
6. OPEN CIRCUIT / NO LOAD TEST
TEST PURPOSE
TEST INSTRUMENTS
TEST PROCEDURE
TEST CAUTION
ACCEPTANCE CRITERIA
7. CONTINUITY TEST
PURPOSE OF TEST
TEST INSTRUMENTS
TEST PROCEDURE
TEST CAN DETECT
8. MAGNETIC CURRENT TEST
TEST PURPOSE
TEST INSTRUMENT
TEST CIRCUIT DIAGRAM
MAGNETIC CURRENT TEST
TEST PROCEDURE
TEST CAUTION
9. MAGNETIC BALANCE TEST
TEST PURPOSE
TEST INSTRUMENT
TEST CIRCUIT DIAGRAM
MAGNETIC BALANCE TEST
TEST PROCEDURE
10. HIGH VOLTAGE TESTS ON HV & LV WINDING
PURPOSE
TEST INSTRUMENT
TEST CIRCUIT DIAGRAM
LV HIGH VOLTAGE TEST
TEST PROCEDURE
11. DIELECTRICAL TEST
TEST PURPOSE
TEST INSTRUMENTS
TEST PROCEDURE
METHOD NO 1 (SEPARATE SOURCE VOLTAGE WITHSTAND TEST)
DIELECTRIC TEST (SEPERATE VOLTAGE SOURCE WITHSTAND TEST)
METHOD NO 2 (INDUCED SOURCE VOLTAGE WITHSTAND TEST)
ACCEPTANCE CRITERIA
DIELECTRIC TEST (INDUCED VOLTAGE TEST)
ACCEPTANCE CRITERIA
METHOD NO 3 LIGHTING IMPULSE TEST
12. TEMPERATURE RISE TEST OF TRANSFORMER
(H) FINISHING AND DISPATCH
MARKET POSITION
INDIA'S POWER & DISTRIBUTION TRANSFORMER MARKET
INDUSTRIAL TRENDS
INTEGRATION OF RENEWABLE TO THE GRID
GROWING MARKET OF POWER AND DISTRIBUTION
TRANSFORMERS INDUSTRY
MAJOR GROWTH DRIVERS
THE CHALLENGES
KEY TARGETS TO ACHIEVE IN TRANSFORMER BUSINESS
KEY TARGETS TO ACHIEVE ARE:
PLANT LAYOUT
SUPPLIERS OF DISTRIBUTION TRANSFORMER
SUPPLIERS OF POWER TRANSFORMER
SUPPLIERS OF RAW MATERIALS
SUPPLIERS OF HOT ROLLED SHEETS
SUPPLIERS OF M.S CHANNELS AND ANGLES
SUPPLIERS OF M.S. FLAT
SUPPLIERS OF M.S. PLATE
SUPPLIERS OF M.S. PIPE
SUPPLIERS OF CARGO LAMINATION
SUPPLIERS OF DPC COPPER WIDING WIRE
SUPPLIERS OF TRANSFORMER OIL
SUPPLIERS OF CRAFT PAPER
SUPPLIERS OF M.S BOLTS AND NUTS
SUPPLIERS OF TRANSFORMER BUSHINGS
SUPPLIERS OF PAINT
SUPPLIERS OF PLANT AND MACHINERY
SUPPLIERS OF TRANSFORMER COIL WINDING MACHINE
SUPPLIERS OF OIL FILTER MACHINE
SUPPLIERS OF VACCUME IMPREGNATION PLANT
SUPPLIERS OF ELECTRICAL MEASURING INSTRUMENT
SUPPLIERS OF TRANSFORMER OIL TESTING KIT
SUPPLIERS OF BENCH GRINDER
SUPPLIERS OF DRILLING MACHINE
SUPPLIERS OF SHEARING MACHINE
SUPPLIERS OF WELDING MACHINE
SUPPLIERS OF AIR COMPRESSORS
SUPPLIERS OF MATERIAL HANDLING EQUIPMENTS
SUPPLIERS OF PAINTING EQUIPMENTS
SUPPLIERS OF FIRE FIGHTING EQUIPMENTS
SUPPLIERS OF EOT CRANE
SUPPLIERS OF AIR POLLUTION CONTROL EQUIPMENTS
SUPPLIERS OF PLATFORM WEIGHING MACHINE
SUPPLIERS OF MATERIAL HANDLING EQUIPMENTS
SUPPLIERS OF SHOT BLASTING MACHINE
APPENDIX – A:
1. COST OF PLANT ECONOMICS
2. LAND & BUILDING
3. PLANT AND MACHINERY
4. FIXED CAPITAL INVESTMENT
5. RAW MATERIAL
6. SALARY AND WAGES
7. UTILITIES AND OVERHEADS
8. TOTAL WORKING CAPITAL
9. COST OF PRODUCTION
10. PROFITABILITY ANALYSIS
11. BREAK EVEN POINT
12. RESOURCES OF FINANCE
13. INTEREST CHART
14. DEPRECIATION CHART
15. CASH FLOW STATEMENT
16. PROJECTED BALANCE SHEET
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