BIS IS 325 : 1996 AMD 3 2011

FOREWORD
1 SCOPE
2 REFERENCE STANDARDS
3 TERMINOLOGY
4 SITE CONDITIONS
5 ENCLOSURES
6 COOLING
7 MATERIALS
8 RATED CONDITIONS OF VOLTAGE, FREQUENCY AND OUTPUT
   OF MOTORS
9 TYPE OF DUTY AND CLASS OF RATING
10 DIMENSIONS, FRAME NUMBER AND OUTPUT RELATIONSHIP
11 PROVISION FOR EARTHING
12 PERFORMANCE VALUES
13 OVERLOAD
14 TEMPERATURE RISE
15 LIMITS OF VIBRATION SEVERITY
16 LIMITS OF NOISE LEVELS
17 EFFICIENCY AND POWER FACTOR
18 TOLERANCE
19 TERMINAL BOX AND TERMINAL MARKINGS
20 MARKING
21 INFORMATION TO BE GIVEN AT THE STAGE OF ENQUIRY AND
   PLACING ORDER FOR SUPPLY
22 TESTS
23 PERFORMANCE TESTS
24 HIGH VOLTAGE TEST
25 INSULATION-RESISTANCE TEST
26 OVERSPEED TEST
27 TEST ON INSULATION SYSTEM
ANNEX A - LIST OF REFERRED INDIAN STANDARDS
ANNEX B - INFORMATION TO BE GIVEN AT THE STAGE OF ENQUIRY
          AND PLACING ORDER
ANNEX C - FORM FOR TYPE TEST REPORT OF THREE PHASE
          INDUCTION MOTOR

Describes the three-phase induction motors for voltage up to and including 11000 V and having windings with Class A to Class H insulation.