This document provides an overview of Hindalco Industries Limited's rectifier plant located in Renukoot, India. Some key points: - Hindalco is one of India's largest integrated aluminum manufacturing companies, established in 1962 with initial capacities of 20,000 tons per year of metal and 40,000 tons per year of alumina. - The rectifier plant provides uninterrupted electrical power supply to the smelter plant and other sections through a network that includes power generation from Renusagar and a co-generation plant totaling 885.70 MW of capacity. - The rectifier plant uses silicon rectifiers and high power silicon diodes to convert alternating current from transformers into direct current

1. HINDALCO INDUSTRIES LIMITED
RENUKOOT
Presented by-
Anshika Srivastava
OP JINDAL UNIVERSITY
(EEE)
RECTIFIER

2. INTRODUCTION
 A flagship company of ADITYA BIRLA GROUP
 Set up by Shri Ghanshyam Das Birla.
 Located in RENUKOOT, Sonebhadra (Uttar Pradesh)
 Commenced its operations in 1962 with initial capacity of 20,000 TPY
Metal and 40,000 TPY Alumina
 Emerged as the largest integrated aluminium manufacturing company
in INDIA
 Globally 12th largest Aluminium and Alumina Producer

3. VALUES

4. Hindalco products cater to numerous markets, and provide for all industrial and
commercial requirements like:
• Automotive and transport
• Building and construction
• Defense
• Electrical and Electronics
Industrial applications
• Medical and packaging
• White goods
Finished products include alumina, primary aluminium in the form of
ingots, billets and wire rods, value-added products such as rolled
products, extrusions and foils.
COMMERCE

5. CAPACITIES OVERVIEW

6.  1/3 rd Strength to weight ratio
 Corrosion resistant
 Thermal Conductivity High
 Cost effective
 Electrical Conductivity high
 Workability High
WHAT MAKES ALUMINIUM BETTER?
**Hindalco’s captive bauxite mines in
Jharkhand, Chhattisgarh, Maharashtra and
Odisha, provide the raw material to alumina
refineries located at Belgaum in Karnataka,
Muri in Jharkhand and Renukoot in Uttar
Pradesh, India.

7. PROFILE OF
RECTIFIER PLANT

8. BASIC AIM
UNINTERRUPTED ELECTRICAL
POWER SUPPLY TO SMELTER
AND EACH & EVERY SECTION OF
THE PLANTS AND COLONY.

9. Generating Capacity & Break-up of
Power Consumption

10. 10
GENERATION
Renusagar 801.70 MW
Co-Gen Plant 84.00 MW
Total 885.70 MW
CONSUMPTION
Alumina Plant(Including Blr#1&2) 32.00 MW
Fabrication Plant 15.00 MW
Smelter Dry Scrubbing System 12.75 MW
Reduction Plant 13.25 MW
Colony &Pumping Station 5.00 MW
Rectifier-I&II 2.00 MW
Smelter Plant 675.00 MW
Total 755.00 MW

11. 11
Single Line Diagram (Total Network)
RIHAND
TG # 8
80 MW
TG # 1
71 MW
TG # 2
71 MW
TG # 3
83 MW
TG # 4
83 MW
TG # 5
71 MW
TG # 6
82MW
TG # 7
82 MW
RIHAND FDR #2
RIHAND FDR # 1
TIE FDR # 2
TG # 9
88.5 MW
TG # 10
88.5 MW
TIE FDR # 1
RENUSAGAR FDR #10
RENUSAGAR FDR
#9
POTLINE # 1,2,3 & Aux Power
PL # 4,5 & Aux Power
POTLINE
#
9,10&11
& Aux
Power
5 4 1 2 3
RENUSAGARFDR#3
RENUSAGAR FDR #5
RENUSAGAR FDR
#6
RENUSAGAR FDR #7
RENUSAGAR FDR #8
Co-Gen-II (41 MW)
& Alumina Plant
NTPC
RENUSAGARFDR#4
RENUSAGARFDR#2
RENUSAGARFDR#1
Co-Gen-I &Sun Shine
(37+6 MW)
& Alumina Plant
1000A 1200A1200A1200A1200A
2000A
UP Grid
PL # 6,7,8 & Aux Power
3150A

12. 12
132 KV Transmission Line’s Details
AMP MW
Rihand
Line#1&2
Panther 10 3 480 80 1961
Renusagar
Line#1&2
AL59 107 30 900 180
1966 (Conductor
Replacedfrom GOAT
to AL59 in 2012)
Renusagar
Line#3&4
Goat 104 30 630 120 1983
Renusagar
Line#5&6
TWIN Zebra 95 30 736 *2 240
1998 (TWIN
ZEBRAConductor
providedin 2012)
Renusagar
Line#7,8, 9&10
AAAC 120 31 960 180 2004
YEAR OF
COMISSIONI
NG
TRANS. LINE#
CONDUCTOR
USED
No. OF
TOWERS
LENGTH
OF LINES
(Km)
RATING

13.  7 rectifier transformers each
 Rectification is the process of obtaining an E.M.F. of
definite mean value from one of zero mean value.
In our system we have used silicon rectifier/high
power silicon diodes for rectification.
 PL#1 Half wave rectifiers
 PL#2&3 Full wave rectifiers
POT LINE # 1,2&3

14. 14
Rectification System (PL#1,2&3)
DC Supply to Pot Room
132 KV Bus
11.5 KV Bus
11.5 KVRegulated Bus
Main Transformer
(132 KV/11.5 KV)
Regulating Transformer
(with On load Taps)
70 KA Standby
Rectifier unit
For PL#1,2&3
DC Bus
7 Nos Rectifier Units
10 KA each for PL#1
&
6 Nos Rectifier Units
13.2 KA each for PL#2&3
810 V & 65 KA for PL#1
825 V & 64.2 KA for PL#2&3
DC Isolators

15. 15
Rectification System (PL#4,5&6)
DC Supply to Pot Room
132 KV Bus
33 KV Bus
Main Transformer
(132 KV/33 KV)
(with On load Taps)
Regulating Transformer
Rectifier Transformer
Transductor Control
DC Bus
4 Nos Rectifier
Units 22 KA each
850 V& 66 KA
DC Isolators

16. 16
Rectification System (PL#7&8)
DC Supply to PotRoom
132 KV Bus
DC Bus
850 V& 66 KA
Transformers
2 Nos. 132 KV/ 850 V DC
66 KA each
Thyristor Controlled
Rectifier vUniys
Thyristors
gate gate
DC Isolators

17. 17
Rectification System (PL#9,10&11)
DC Supply to PotRoom
132 KV Bus
DC Bus
900 V& 66 KA
2 Nos. 132 KV/ 900 V DC
70 KA each
Rectifier Units
Regulating Transformers
(with on load taps)
Rectifier Transformers
PLC controlled Transductors
Diode Rectifiers
DC Isolators

18. Power is stepped down from 132KV to 11.5KV by the four power
transformers having the following ratings.
 T-1: 75 MVA
 T-2 : 75 MVA
 T-3 : 75 MVA
 T-4 : 75 MVA
 Above transformers supply power to Potline #1, 2 & 3, Auxiliaries to
Smelter Plant, Fabrication plant, Colony etc.
 Capacitor are installed on the 11.5KV side of transformers T1 & T2 to
improve power factor
LOAD DISTRIBUTION AT
PLANT 1ST RECTIFIER

19.  Power Transformer
 Regulating Transformer
 Rectifier Transformer
 Instrument Transformer
 Auto Transformer
 Distribution Transformer
Types Of Transformers

20.  Buchholz (Gas) Relay
 Pressure Relay
 Oil Level Monitor Device
 Winding Thermometer
TRANSFORMER PROTECTION

21. SWITCH YARD EQUIPMENTS
• Lightning Arrestor
• Isolators (Disconnecting Switches)
• Circuit Breaker
• CT & PT
Hindalco plant 1 Substation

22.  Cooling tower is an enclosed device in which water is
cooled by bringing it in direct contact with
atmospheric air.
COOLING TOWERS

23. 23
Major Tasks & Targets
 Monitoring of all the High Voltage Equipments Including 132
kV Transmission lines, Switch Yards, Transformers & Switch
Gears.
 Revamping & upgradation of old Electrical Equipments to
match present requirement & minimise break down
 Upkeep of SCADA (Supervisory Control & Data Acquisition)
System installed on Electrical Network for minimum power
disturbances.
 Power Supply Management & Co-ordination amongst Rihand
Power Station, Renusagar Power, Co-gen,& Load Centres during
Power Crisis, Lightning and System Trouble
 Compliance of Electricity Acts/ Rules and Power Agreement
between hindalco & UPPCL
 Computation, Reporting & Monitoring of Energy
Consumption of different sections.

24. THANKYOU!!!