medium range motors

7/31/2019 Medium Range Motors

1/38

WELCOME

TO

PRESENTATION

ON

MEDIUM RANGE MOTORS


2/38

IMM PRODUCT RANGE

SCIM

2 POLE TO 14 POLE

415 V TO 11 KV

150 KW TO 2000 KW

TETV,CACA,CACW,SPDP

50 Hz/60Hz

VPI & RESIN RICH

SAFE,Ex(e),Ex(N),Ex(d),Ex(p)


3/38

SRIM

4 POLE TO 10 POLE

3.3 TO 11 KV

200 KW TO 1400 KW

TETV,CACA,CACW,SPDP

VPI & RESIN RICH

APPLICATION

FAN,PUMP,MILL,COMPRESSOR,CRUSHER,CONVEYOR,ROLLING

MILL,KILNS, SEPARATOR DRIVES ETC.


4/38

TECHNICAL SPECIFICATION FOR INDUCTION M/C

1) MECHANICAL OUTPUT IN KW

2) FREQUENCY IN HZ AND VARIATION

3) RATED VOLATGE AND PERMITTED VARIATION

4) SPEED AND ITS VARIATION

5) CLASS OF INSULATION

6) SITE AND OPERATING CONDITIONS

7) TYPE OF DUTY

8) AMBIENT TEMP./ WATER TEMP.

9) HAZARDOUS AREA CLASSIFICATION


5/38

10) DIRECTION OF ROTATION

11) SCIM/SRIM

12) LOAD DEATAILS : LOAD INERTIA(GD2/WR2) AND T/S CURVE

13) TYPE OF COUPLING(RIGID/FLEXIBLE/PULLEY/FLUID)

14) METHOD OF COOLING

15) TYPE OF PROTECTION

16) DETAILS OF SHAFT EXTENSION

17) METHOD OF STARTING

18) FAULT CAPACITY AND DURATION OF FAULT

19) ANY SPECIFIC REQUIREMENT


6/38

CONSTRUCTIONAL FEATURES OF INDUCTION

MOTORS.

1) METHOD OF COOLING

2) VENTILATION

3) STATOR4) ROTOR

5) ENDSHIELD

6) BEARINGS

7) SLIPRING AND BRUSHES8) TERMINAL BOXES

9) ACCESSORIES


7/38

FRAME DESIGNATION

THIS CONSISTS OF 13 ALPHA-NUMERIC CHARACTERS BUTPRIMARILY FIRST EIGHT ARE MOSTLY USED.

A) 1ST CHARACTER ROTATING ELECTRICAL M/C.

B) 2ND AND 3RD TYPE OF FRAME

LA - TETV SCIM

MA TETV SCIM Ex(e)

MJ TETV SCIM Ex(d)

LS TETV SRIM

RA SPDP SCIM

RS SPDP SRIM

RN CACW SCIM


8/38

SN CACW SCIM Ex(e)

RU CACW SRIM

RQ CACA SCIM

RB CACA(FV UNIT FOR EXT. CKT. ONLY) SRIM

RC CACA(FV UNIT FOR BOTH INT. AND EXT. AIR CKT.) SCIM

RD CACA(FV UNIT FOR BOTH INT. AND EXT. AIR CKT.) SRIM

SQ CACA SCIM Ex(e)

C) 4TH STANDS FOR THE SERIES DESIGN

D) 5TH AND 6TH CENTER HEIGHT IN CM

E) 7TH CORE LENGTH VARIATION


9/38

F) 8TH NO. OF POLES

G) 9TH DESIGN STATUS

H) 10TH BREAK AWAY LOAD TORQUE

I) 11TH VOLTAGE RANGE AND FREQUENCY

J) 12TH

SHAFT ORIENTATIONK) 13TH FOR SPECIAL REQUIREMENT

EXAMPLE : 1LA7560-4


10/38

COOLING ARRANGEMENT(IEC 34-6)

NOTATION - ICXXXXX

A) 1ST CKT. ARRANGEMENT

B) 2ND PRIMARY COOLANT

C) 3RD METHOD OF MOVEMENT OF PR. COOLANT

D) 4TH SECONDARY COOLANT

E) 5TH METHOD OF MOVEMENT OF SEC. COOLANT

EXAMPLES :

IC0A1 ORIC01 FOR SPDP / 1RA & 1RS

IC5A1A1 ORIC511 FOR TETV / 1LA7 & 1LS7

IC4A1A1 OR IC411 FOR TEFC / 1LA4

IC 6A1A1 ORIC611 FOR CACA / 1RQ


11/38

IC6A1A6 ORIC616 FOR CACA WITH FV UNIT FOR EXTERNAL

AIR CIRCUIT / 1RB IC6A6A6 ORIC666 FOR CACA WITH FV UNIT FOR BOTH INT.

AS WELL AS EXT. AIR CIRCUITS. / 1RC

IC8A1W7 ORIC81W FOR CACW / 1RN & 1RU


12/38

ENCLOSURE PROTECTION (IEC 34-5)

NOTATION IPXX

1ST PROTECTION AGAINST SOLID FOREIGN OBJECTS

2ND PROTECTION AGAINST HARMFUL EFFECTS DUE TO

INGRESS OF WATER

EXAMPLES :

1) IP23

DIGIT PROTECTION

2 CONTACT WITH OR APPROACH TO LIVE OR MOVING

PARTS INSIDE THE ENCLOSURE BY FINGERS OR SIMILAR

OBJECTS NOT EXCEEDING 80 MM IN LENGTH

INGRESS OF SOLID OBJECTS EXCEEDING 12 MM IN DIA

3 WATER FALLING AS A SPRAY AT AN ANGLE UP TO 60 DEG

FROM THE VERTICAL SHALL HAVE NO HARMFUL EFFECT


13/38

2) IP 55

DIGIT PROTECTION

5 INGRESS OF DUST IS NOT TOTALLY PREVENTED BUT DOES

NOT ENTER IN SUFFICIENT QUANTITY TO INTERFERE WITH

SATISFACTORY OPERATION OF THE M/C.

5 WATER PROJECTED BY A NOZZLE AGAINST THE M/C FROM

ANY DIRECTION SHALL HAVE NO HARMFUL EFFECT.


14/38

TOTALLY ENCLOSED TUBE VENTILATED

(TETV) MOTOR


15/38


16/38


17/38

EXPLODED VIEW OF TETV CONSTRUCTIONS


18/38

EXPLODED VIEW OF TETV CONSTRUCTIONS


19/38

GENERAL ARRANGEMENT OF TETV SLIP RING INDCUTION MOTOR


20/38


21/38

R SERIES CACW MOTOR


22/38


23/38

CACA SCIM WITH SHAFT MOUNTED FANS


24/38

LINE-7 CACA MOTOR


25/38

EXPLODED VIEW

OF

LINE 7

1R SERIES

MOTOR


26/38

R & H SERIES VENTILLATION ARRANGEMENT

SQ. CAGE INDUCTION MOTORS


27/38

VENTILATION ARRANGEMENT FOR SRIM

CACA (1RR CONSTRUCTION)


28/38


29/38

FORCED VENTILATED CACA VFD FED SCIM FOR KILN


30/38

900 KW, 6 Pole, 690 V, CACA squirrel cage induction motor fed

through VFD for Constant Torque KILN application


31/38

SRIM WITH CACA COOLER WITH FORCED VENTILATION


32/38

GENERAL ARRANGEMENT FOR CACA SRIM WITH SHAFT MOUNTED EXT. FAN


33/38

FORCED VENTILATED CACA SRIM FOR CONSTANT TORQUE APPLICATION


34/38

WATER COOLED AND FORCED VENTILATED MOTOR FOR KILN APPLICATION


35/38

H-COMPACT 1LA4 SERIES TEFC MOTOR


36/38


37/38

VENTILATION ARRANGEMENT FORH-COMPACT MOTOR
http://var/www/apps/conversion/current/tmp/scratch18214/hcompactpres_NTPC.ppthttp://var/www/apps/conversion/current/tmp/scratch18214/hcompactpres_NTPC.ppt


38/38

THANKS

medium range motors

Documents