Name : Tushar Patankar Division : LT Motors Category : General

Transcription

1 Welcome 1

2 Name : Tushar Patankar Division : LT Motors Category : General 2

3 Avantha Group

4 CG, 75 year old company, employs more than people in 21 countries. With several international acquisitions, CG is fast emerging as a first choice global supplier for high quality equipment through its three business groups; Power Systems: Industrial Systems: Transformer,Switchgear, Power Quality, Engineering Projects AC/DC Motors, Alternators,Drives, Railway Signaling,Stampings Consumer Products: Fans,Appliances, Lighting Integrated Security Solutions & Home Automation, Pumps.

5 Strategic Acquisitions CG Global

6 Strategic Acquisitions CG Global Acquired in 2011, it enabled CG to offer comprehensive energy saving solution with latest power electronics technology. Acquired in 2011, CG has fortified its position in the SCADA & substation automation domain. Acquired in 2012, it enable CG to provide digital equipment for Grid Automation and Advanced Metering Infrastructure (AMI).

7 CG LVRM Manufacturing Plants Unit 3- Goa Total Manpower : 200 Engineers :20 Unit 1 Total Manpower- 650 Engineers- 150 Quality - 15 Design- 25 Unit 1-Ahmednagar Unit 2-Ahmednagar Total Manpower : 100 Engineers : 15 FHP- Goa Total Manpower : 230 Engineers :23

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9 Need of energy savings Energy Profile : India Power Shortages in Country 13% - Peak 8% - Average India s Energy Intensity Per GDP is Higher By 3.7 Times than Japan 1.5 Times than USA 2.2 Times World Average Concern About Reserves Coal reserves 114 years Oil 20 years Gas 36 years

10 Need of Energy saving Energy Consumption- Global ( Domestic + Commercial +Industrial) Energy Consumption- Global (Industrial) 30% 70% Electric Motors

11 Why IE ( International Efficiency ) Standard Individual countries had their own Energy Efficient Motor Standards as well as their own MEPS USA, Canada & Mexico (NEMA) Europe (CEMEP) Russia (GOST) Korea (KEMCO) Japan (JIS) Taiwan (CNS) India (IS) China (CCC) South Africa (SABS) Brazil (ABNT): Australia (AS/NS)

12 Why IE ( International Efficiency ) Standard Individual countries had their own testing standard IEEE 112 (USA) :: North America and Latin America IEEE 112 B POWER IN/ POWER OUT(stray load losses are actually calculated) IEC :2008 (Int. Electro technical Comm.) :: Europe and part of Asia where direct measurement or mathematical calculation for stray load losses is now defined. Given methods qualified for uncertainty JEC 37 (Japanese Electro technical Comm.) :: Used in Japan JEC37 ignores stray load losses altogether C-390 (Canadian Standards Association) :: Used in Canada CSA C basically equivalent to IEEE 112 B

13 To Harmonize Testing standards Efficiency classes / labels Minimum energy performance standards Old standard is revised.

14 So What is IS12615:2011 New Efficiency classes are defined 1.IE1 2.IE2 3.IE3 High Efficiency EFF1 EFF2 IE3 Premium Efficiency IE2 High Efficiency IE1 Standard Efficiency NEMA Premium EPAct Low efficiency IEC Motos NEMA motors

15 IS: Based on CEMEP agreement and adapted from IEEMA Efficiency Classes: Standard Efficiency - eff2 High Efficiency - eff1 How it is different than Previous? IS: Based on IEC (2008) Efficiency classes: Standard efficiency - IE1 High Efficiency - IE2 Premium Efficiency - IE3 Minimum efficiency class - eff2 Minimum efficiency class - IE2 Outputs covered: 0.37kW - 160kW 2P and 4P 0.37kW - 132kW 6P 0.37kW - 110kW 8P Duty Types: S1 (continuous) Outputs covered: 0.37kW - 375kW 2P and 4P 0.37kW - 375kW 6P Duty Types: S1 (continuous) S3 (intermittent with CDF 80%)

16 Efficiency Values as per IS12615 :2011 / IEC IE1 IE2 IE3 Output No. of Poles Output No. of Poles Output No. of Poles kw kw kw The standard stipulates that motors must meet at least IE2 to be labeled 87.6Energy Efficient IE1 tables 90.7 are 90.7 given 90.2 for comparing 91.7 the efficiency 92.7 of 92.7 an IE motor 93.3 when driven 93.3 by 93.3a VFD

17 Efficiency Savings & Payback Efficiency Savings IE2 vs IE3 75kW 4 pole IE2 94 % IE % Savings = kw IE2 EFF kw IE3 EFF X Hours X Tariff ( Rs /kwh ) Savings = rs Payback = Additional investment / Savings per year = 0.5 yrs ( 6 Months ) 5.5 rs / Unit & 5400 hrs / year considered for calculation

18 Factors Affecting Efficiency of motor Losses :-

19 Factors Affecting Efficiency of motor Managing Losses :- Higher section of copper conductor in stator and rotor Accuracies of components Special Skew on rotor Reduce inter bar current in rotor Low loss Stamping steel Low flux density More core material Accuracy of component Smaller and more efficient fan

20 IS : 2011 The following are exemptions to the classification system Motors for short-time duty (S2) or switching operation (S3<80% to S10) Motors that were designed exclusively for converter operation (VFD) and which cannot be operated online. Motors that have a highly specialized design, customized for one particular application in such a way that it is not possible to measure the motor on its own (for example pump motors with wet rotors, Special Requirement of the driven machine-like Heavy Starting duty, Special torque characteristics, special characteristic of grid supply like limited starting current,high tolerances of voltage and/or frequency, Special ambient condition like very low ambient, smoke extraction motor, high altitude of installation

21 Range Range Aluminium Construction kw : 0.75 kw to 7.50 kw Frame : PA80 to PA132 Pole : 2,4,6 Pole Cast Iron Construction kw : 0.75 kw to 315 kw Frame : PC80 to PC 355 Pole : 2,4,6 Pole Safe Area /Hazardous area

22 Special Features of Apex Series. High grade electrical steel Build with dual coat copper wire Better insulation scheme VFD compatible ( 10 : 1 VT, 2 : 1 CT ) Shaft guards.( Shaft cover) High grade assembly hardware ( 8.8 class.) Spit Terminal box ( Safe Area ) Metal sealed bearings up to 225 frame.

23 Optional Features of Apex Series. 1. Paint shade of your choice

24 Optional Features of Apex Series. 2. NON Standard Mechanical Features Non Standard Shaft, Different mountings. Non standard Fixing Dimensions etc 3. Add On Accessories ( Except forced cooling). Thermistors Space heaters ( Std. feature in frame 280 & above) RTD, BTD,Cable Glands and many more >>> 4. NON Standard Electrical Features Different base voltages( 380, 400,415 V etc.) Dual voltage ( 1: 3 ratio ) Application engineering as per driven equipment- fan, compressor, blower etc.)

25 Reasons to buy Apex Series Lower life cycle cost Inverter compatible Low operating cost Tested as per IEC in CSA approved test lab Lower Vibration levels, better than IEC standard Global support Engineered to customer requirement

26 Distribution Transformers 26

27 Distribution Transformers Vivek Sarkar Power Systems General

28 Introduction Division : T2 Situated at Malanpur : 25 KM from Gwalior Nearest Metro City : New Delhi Travel Modes Available : Road, Rail, Air Commencement of Mfg : Land Area : 18 Hectare,(40 acre)

29 Product Range -T2 Division Category kva Rating Voltage,kV Distribution Trs Up to 4000 Up to 33 Low Power Trs Up to Up to132 Dry VPI Trs Up to 2500 Up to 33 Dry Cast Resin Up to 3000 Up to 33

30 Distribution Transformer Standard Distribution Transformer with fin type radiator cooling and oil conservator type construction for oil expansion and air breathing

31 Distribution Transformer Hermetically Sealed type Distribution Transformer with corrugated fin wall construction without conservator and welded cover

32 Distribution Transformer Hermetically Sealed type Distribution Transformer with corrugated fin wall construction without conservator and welded cover

33 33 Electrical Multiple Unit (EMU) Trafo.

34 Foil winding machine

35 Core Building

36 Core Coil Assembly Drying Ovens

37 Oil filling

38 Oil filling station

39 Final Testing

40 Foil Winding Transformers

41 Core Step-lap core design. Reduction in exciting current Reduction in no load loss

42 Stacking pattern : step-lap and 45 cut Influence of magnetic steel quality and stacking pattern on: no-load current no-load losses noise level

43 Winding Arrangements Top View of HV/LV Winding HV Layer Winding

44 Advantages Better Short Ckt. Strength * Paper insulation coated with thermosetting epoxy diamonds * Low voltage windings are made up of foil (sheet) * In foil wound design the axial ampere turns balancing at any tap between windings is always perfect. * Axial unbalance force is totally absent. * Foil wound design has in built capability to withstand short circuit forces at any operating tap. High Impulse Strength * Large area of layer winding resulting low ground capacitance with uniform surge distribution throughout the winding.

45 Thank you 45