MOTOR RATING:
Pole：2,4,6,8,10,12
Kind of Motors：Squirrel-Cage Induction Motor (SCIM)
Design Standards：IEC
Voltage：6000V
Frequency：50Hz
Output Range：300 ～ 14000HP (220 ～ 10450kW) 50Hz
R.P.M. (Syn.)：3000 ～ 750R.P.M. ( 2 ～ 8 POLE) 50Hz
Time Duty：Continuous, S.F. 1.0 (S1, MCR)
Protection Enclosure：Totally Enclosed (IP 54)
Cooling Method：External And Internal Fans, With Air To Air Heat Exchanger Which Is An Independent Unit Mounted Directly On The Motor (IC 611)
Mounting：Horizontal Foot Mounting (IM 1001, F-1)
Frame No：355C ～ 900D
Motor APPLICATION：
Power Condition：Voltage ±10%, Frequency ±5% And 10% Max. Of Combined Voltage And Frequency With Frequency Not To Exceed 5%
Environment Conditions：
Place : Shadow, Non-Hazardous
Ambient Temperature：-18 ~ 40℃( Oil Sump Heater Is Not TECO'S Scope )
Relative Humidity：Less Than 95%Rh (Non-Condensation)
Altitude：Less Than 1,000 Meters
Drive Method：
Direct Connection With Flexible Coupling.
The Rotor Is Balanced With A Half Key If Possible Which Must Be Noted When Selecting And Balancing The Coupling.
Operating Conditions：Suitable For Fluid Duty Only
Direction of Rotation：Uni-Directional For All 2P, 4P Frame No. 560 & Above，Others Are Bi-Directional，CCW When Viewed From Drive End
Method of Starting：Standard For Full Voltage Direct On Line，Reduced Voltage Start 80% Of Full Voltage Is Optional
Starting Capability：2 Cold；1 Hot. For Full Voltage Direct On Line,Number Of Starts: 6 Times Per Day, 1000 Times Per Year, 5000 Times Per Life. Other Than These, Please Contact With Factory
Motor CONSTRUCTION：
Frame：Steel Plate Fabricated
End Bracket：Steel Plate Fabricated Or Cast Iron
Shaft：Hot Rolled Carbon Steel Or High Strength Alloy Steel, Cylindrical Single Extension With Keyway And Key
Shaft Openning Shield：Metal Flingers On Both Ends For Anti-Friction Bearings Only
Bearing：
Bracket Mounting, Vacuum De-Gassed High Quality
Anti-Friction Bearings With Grease Relief Valve, Or Sleeve Bearings Lubricated By Oil Ring
Anti-Friction Bearing Life：B10 (L10) ＞ 10 Years (87,600Hrs)
Except 2Pole Motors, B10(L10) ＞ 4 Years
Lubricant：
Anti-Friction Bearing：
Mineral Oil, Polyurea Grease (Mobil Polyrex EM)
Sleeve Bearing：
ISO VG32 (SSU140 ~ 160 / 100℉) For 2 Pole
ISO VG46 (SSU180 ~ 220 / 100℉) For 4 Pole
ISO VG68 (SSU275 ~ 325 / 100℉) For 6 Pole & Above
Terminal BOX：
Fabricated Steel Plate With Stand-Off-Insulator-Supported, Uninsulated Terminations
Dimensions (Size) Per TECO Standard, Clearance And Creepage Distance Comply With BS4999 Part 145
4B049M257E For 300HP ~ 5000HP
4B049M768E For 5001HP ~ 14000HP
At Left Side Facing The Drive End As Standard ( F1 )
NEMA Type Ⅱ Terminal Box Is Available Under Request And Standard For Frame No. 630C~710E
4B049M258E For 300HP ~ 5000HP
4B049M769E For 5001HP ~14000HP
Stator Winding：Mica Insulated Formed Coil, Made Of Kapton Or Mica Covered Rectangular Copper Conductor
Lead Terminal：3 Or 6 Leads, With Solderless Lug Terminal
Iron Core：High Grade, Insulated, Cold-Rolled Electro-Magnetic Steel Plate
Stator Insulation：Class F Insulation System, Complying With BS 2757 And IEC 85
Varnish Treatment：Vpi Treatment Of Solventless Epoxy Varnish
Painting：Alkyd Resin With Rust Proof Base, Plus Polyurethane Surface Finish Painting In Blue-Gray Color (Munsell 7.5B 3.5/0.5)
Name Plate：Stainless Steel Plate
Hardware：ISO Metric System
Grounding Terminal：Be Set Inside Of Terminal Box And On Frame
Air Cabinet：Steel Plate Fabricated, Minimum 3.2Mm (1/8 Inch) Thickness
MOTOR PERFORMANCE：
Test Procedure：IEC 60034, IEEE 112
Typical Performance：
As DWG No. 3A057H487E,3A057M176E,
Values In Table Are Nominal
Temperature Rise：
Stator Coil： ( According To NEMA MG1-2003 )
S.F. 1.0 80℃ By Resistance Method
● Recommend Temperature Settings：Alarm 140℃；Trip 155℃
Bearings：
Sleeve Bearings：53℃ At Rated Load
Anti-Friction Bearings：55℃ At Rated Load
● Recommend Temperature Settings：Alarm 95℃；Trip 100℃
Noise：
Sound Pressure Level Measured At 1 Meter Distance &No-Load Condition Per IEEE 85 Method ( Tolerance ±3dBA ).
Below 95dBA For Standard Machines.
Below 85dBA For Low Noise Machines. (When Specified)
Over Speed：Two Min., 120% Of Syn. R.P.M. For Rated 1501R.P.M. & Above, 125% Of Syn. R.P.M. For Rated 1500R.P.M. & Below
Vibration：
Measured On Fully Assembled Machines And Mounted OnRigid Foundations At No-Load Condition.
Standard Machine：
Below 2.8 mm/S (R.M.S.) On Bearing Housing. (Grade R)
Below 50 μm ( Peak-To-Peak ) On Shaft Relative.
Low Vibration Machine：(When Specified)
Below 1.8 mm/S (R.M.S.) On Bearing Housing. (Grade S)
Below 38 μm ( Peak-To-Peak ) On Shaft Relative.
TECO or TECO Westinghouse brand, TECO Westinghouse insulation system, VPI vacuum immersion, silicon steel sheet imported from NSC(Nippon Steel Cooperation). For more details or special requirements, please contact us.
