data-sheet format -250kw_4pole_3.3kv_r02.xls

Rev. Date2 27.09.2013

S N Description

1 Driven Equipment designation Compressor

2 Motor Rating 250KW

3 Make Marathon Electric Motors India Ltd.

4 Frame size DC355F3

5 Motor Weight kgs. 2500 Kg. (Approx.)

6 Service factor 1.15

7 Type of motor 3Ph, Sq. Cage8

Safe zone

9

10

11 Permisible unbalance in supply voltage 2%

12 No of poles / synchronous Speed/ FL Speed 4 Pole/ 1500 RPM/ 1488 RPM

13 Rotation as seen from non-driven end C. C. W from DE

14 Specification & Codes IS:32515

S1, Continuous rated

16For other direction, fan to be changed

ENCLOSURE

17 Degree of protection of enclosure IP:5518

19

COOLING

Hazardous area classification (if applicable)(a) Zone/DIV(b) Gass group(c)Temp Class

Rated values: (a) Voltage (b) Frequency

Rated values: (a) Voltage = 3300 V (b) Frequency = 50 Hz Permissible variations:

(a) Voltage(b) Frequency (c) Combined

Permissible variations: (a) Voltage= +/- 10%(b) Frequency = +/- 5% (c) Combined = 10%

Type of duty & classes of rating assigned to rotating electrical machines

Bi-directional rotation requiredIf yes, change of fan orientation is required

Degree of protection of terminal box for (a) Main terminal box :(b) Space heaters (AUX. TB)

Degree of protection of terminal box for (a) Main terminal box : IP55(b) Space heaters (AUX. TB) : IP55

Winding insulation(a) Class & type(b) Tropicalised (Yes/No)(c) Temp. rise over specified ambientof 50 deg

(d) Method of temp. measurement

Winding insulation(a) Class & type= Class'F' Mica based(b) Tropicalised (Yes/No)= Yes(c) Temp. rise over specified ambientof 50 deg = Class 'B' (d) Method of temp. measurement= Resistance method

20 Cooling designation as per IS 6362 IC411

21 Method of cooling TEFC, IC411, Shaft mounted fan

22 cooling designation as per IS 6362 IC411

23 colour shades of plant if special Shade 631 of IS-5

24 Service designation S1 duty

25 RTD dc Resistance (if applicable) 100 Ohm at 0 Deg.C

26 RTD type (if applicable) PT10027

28 Yes, 12Nos., Simplex, 3 -Wire, Pt.100

29 Temperature detectors/indicators

Yes, 4 Nos. Duplex, 6Wire, Pt100

Yes, 12Nos., Simplex, 3 -Wire, Pt.100

No

30 Grounding Requirement 2 Nos. M16 Earthing StudPERFORMANCE PARAMETER

General

31 Ref. ambient temperature 50 Deg.C32 Supply system fault level 250MVA for 0.25 Sec33 Supply neutral-type of earth O.K

Current34 No Load Curent 18 Amps (+10%)35

36

37 Motor FLC 53 Amps

Voltage

38 Minimum permissible voltage during starting 80%39

40 5 Mins

41 Whether motor stalls at 70% of rated voltage No

Separate terminal box required (phase segregated type)(a)neutral star formation(non phase segregated type)(b)space heater

a) Main Terminal Box= PSTB. (b) Neutral = Conceal type. No separate T. box shall be provided.

Embedded temerature Detectors for winding required

(1) embedded temperature detectors for bearings required

(2) embedded temperature detectors for winding required

(3) bearing thermometers for driving end & non driving ends required

Starting current as % of full load current Starting current as % of full load current :600% of FLC (inclusive of IS tolerance)

Starting Current @ (a) 80%(b) 100%© 110%

Starting Current @ (a) 80% = 480% of FLC (inclusive of IS Tolerance )(b) 100%= 600% of FLC (inclusive of IS tolerance )(c) 110% = 550% of FLC (inclusive of IS Tolerance )

Minimum permissible voltage for(a) Starting at FL(b) 5 mnt running without over heating

Minimum permissible voltage for(a) Starting at FL = 80% Voltage(b) 5 mnt running without over heating = OK

Maximum permissible time at 75% of rated voltage during running at full load.

42 Yes, for 1 Sec

43 NA

Resistance44

Field resistance (Ohm) at rated speed at 30 deg NA

45 NA

46 NA

TORQUE:

47 No Load Torque NA

48 Torque at full load in Kgm 164 Kgmt49

50

51 Break away torque in % of full load torque 100%

52 Pull up torque in % of full load torque 90%

53 Pull out torque in % of full load torque 230%

Efficiency & power factor

54 Efficiency & power factor (% of full load)55

Time56

57

Capable to whistand for transient high voltage, which is as high as 150% rated voltage.

Rated power supply voltage(a) Armature circuit (v)(b) Field (v)

Field trimmer rating (Ohm) for getting basic speed at 30 deg C.

Resistance (Ohm) between terminals at 30 deg C.(a) Armature :(b) Series winding :(c) Inter pole winding :(d) Shunt winding resistance :

Torque (%)(a) Starting at min. permissible voltage(b) Starting at Rated Voltage

Torque (%)(a) Starting at min. permissible voltage = 64% of FLT(b) Rated =100% of FLT

Starting Torque @ (a) 80% V(b) 100% V© 110% V

Starting Torque @ (a) 80% V = 64% of FLT(b) 100% V = 100% of FLT© 110% V = 121% of FLT

@ 100 %@ 75 %@ 50 %

@ 100 % = 95.1 / 0.87@ 75 % = 94.5 / 0.83@ 50 % = 93.0 / 0.73

Time to attain Full Speed @ (a) Full Load(b) Without Load

Time to attain Full Speed @ (a) Full Load = Load Details Required(b) Without Load = less than 1 Sec

Locked rotor withstand time Hot/Cold @ (a) 80 %(b) 100%© 110 %

Locked rotor withstand time Hot/Cold @ (a) 80 %= 23 / 31 Secs(b) 100% = 15 / 20 Secs© 110 % = 12 / 16 Secs

58

59 No of Consucutive Hot Start 2 hot Starts subject to 1000 Starts/year60 Silp @ 100% & 75 % Load 0.8% / 0.6%

Safe stall time under Hot/Cold condition @ (a) 100 % rated voltage(b) 110% rated Voltage

Safe stall time under Hot/Cold condition @ (a) 100 % rated voltage= 15 / 20 Secs(b) 110% rated Voltage = 12 / 16 Secs

Bearing & Winding Data61

62

63

64 Winding protection IP:55

65 Bearing protection IP:55

66 Winding impulse voltage withstand 18.2 KVp67 NA

68

LOSSES

13.5KW (max.)69 Friction, Windage & Stray losses.

70 Copper loss

71 Iron loss

a)Bearing Insulation(b) Ref. Ambient temp.(c) Temp. (d) Life (e) Make (f) Lubricating

a) Insulated Bracket/ Housing shall be provided, b) Amb = 50 Deg.C, c) Total Temp. limited to = 105 Deg. C measured by Bearing RTD. d)Bearing Life = more than 40000 Hrs e)Make: SKF/FAG/NTN f) Lubrication= Grease

Temperature rise by(1) By thermometer method(2) By winding resistance method

Temperature rise by(1) By thermometer method = N.A.(2) By winding resistance method= Class 'B'

Stator windingi) Connectionii) Type & nos. of terminals Brought outiii) Resistance between terminals at 20°Civ) Resistance per phase at 20°Cv) insulation:class F

Stator windingi) Connection = Starii) Type & nos. of terminals Brought out= 6 Terminals, 3 Nos. for main and 3 Nos. for conceal type Neutral. iii) Resistance between terminals at 20°C=0.5152 Ohmsiv) Resistance per phase at 20°C=0.2576 Ohms v) Insulation: class F with temp. rise limited to Class 'B'

Wound rotor data(a) open circuit voltage(Volts(b) current at rated output(Amps© winding resistance per phase(ohms(d) winding connection

Recomanded temperature setting for stator winding1) Alarm2) Trip

Recomanded temperature setting for stator winding1) Alarm = 120 Deg.C2) Trip = 130 Deg.C

72 losses(kW) 13.5KW (max.)

CABLE

73 NA

74 As per supply cable

75

76 Power cable size upto 1x3Cx185 Sqmm

77 RTD/LTD cable size 6 triad, 1.5sq.mm

78 Cable entry Bottom

79 Space heater cable size 2Cx 4 Sq,mm

80 Scope of supply of cable glands for cable control yes

OTHERS

81 moment (GD2) motor (Kg-m)

82 GD^2 of motor 26 kgmt2

83 1st and 2nd critical speed above 1800 RPM

84

85 Rated KW at 50 deg.c 250KW

86 Rated KW at 40 deg.c 260KW

87 Winding impulse voltage withstand 18.2 KVp

88 NA

89 Vibration level at motors at no load As per IS:1207590 Balancing of rotor Yes91 Maximum noise level at NL(AT 1 M distance) As per IS:12065

MISCELLANEOUS REQUIREMENT

92 Shaft Orientation Horizontal

93 Mounting Symbol Foot cum Flange (B35)

94 whether bed plate required No

95 CTs for differential protection required NA

96 vibration pads required Yes, 2Nos. at DE side

97 temperature detectors / indicators Refer Point no:28 & 29

98 temprature rise over design ambient

Terminal arrangement and cable lugs for Ex'e' motorType and size of cable for which gland is provided in the terminal box

For main terminal boxa) No. and type of cable gland :b) Recommended cable size (Armature/field) :c) Fault level (KA, sec) :

(a)1 No. double compresson gland tin plated brass, heavy duty as per BS6121.(b) 1R x 3C x 185 sq mm(max)( c) 43.7 kA for 0.25 sec

Space heater (a) No. & location (b) Volt & KW rating

Space heater (a) No. & location = 2 Nos., Inside the End Shield. (b) Volt & KW rating= 240V, 43 Watts


Winding Temp. rise over specified ambientof 50 deg = Class 'B'

99

100 Types of shorting links for neutral for CTs NA

101

NA

102 Fault withstand capacity of TBs PSTB = 43.7 KA for 0.25 Sec

103 Location of main TB as viewed from DE AS per GAD

Note : All above performance figures except as specified are subject to IS tolerance.

limiting temperature used to determine safe stall time(1) stator(2) rotor

limiting temperature used to determine safe stall time(1) stator = 185 Deg. C(2) rotor = 450 Deg.C

Differential CTs(1) motor rating(2)To be mounted(3)Scope of supply(4)Dimension

GA Datasheet Type test report Curves2223692154735915 YES YES YES54735949 YES YES54735972 YES93469955 YES YES YES YES93469971 YES89266928892669369266301292663020 YES YES YES926630385452877323004880 YES

11kW22236921

1 Driven Equipment designation2 Method of starting3 Nominal output in kW 4 Service factor5 Make6 Type of motor7 No of poles / Synchronous Speed

8

91011 Permisible unbalance in supply voltage12 Minimum permissible voltage during starting

13

1415 Whether motor stalls at 70% of rated voltage

16 Ref. ambient temperature

1718 Frame size & weight in kgs19 Specification & Codes20 Service designation21 Supply system fault level22 Supply neutral-type of earth23 No of poles / cynchronous Speed24 RTD dc Resistance (if applicable)25 RTD type (if applicable)

2627 cooling designation as per IS 6362

2829 grounding Requirement

30 Over all withstand Capacity for fast auto chang over off power supply:150% Vr31 BEARINGS & WINDINGS:32 Embedded temeratureDetectors for winding required

MOTOR PARAMETERS ↓ / CCN →

Rated values: a) Voltage b) Frequency

Permissible variations: a) Voltage b) Frequency c) Combined

Starting current as % of full load current

Minimum permissible voltage for(a) Starting at FL(b) 5 mnt running without over heating (c) Time at 75% of rated voltage during running at full load.

Maximum permissible time at 75% of rated voltage during running at full load.

Efficiency & power factor Load (% of full load) 100 : 75 : 50 :

Separate terminal box required for the followingstater leads(phase segregated type)neutra star formation(non phase segregated type)space heaterRTD & BTD leads

Hazardous area classification (if applicable)(a) Zone/DIV(b) Gass group(c)Temp Class

Temperature detectors/indicators 1) embedded temperature detectors for bearings required 2) embedded temperature detectors for winding required 3) bearing thermometers for driving end & non driving ends required

34

35

36

3738 winding protection39 bearing protection40 Winding impulse voltage withstand

41

4243 Terminal arrangement and cable lugs for Ex'e' motor44 TORQUE:45 Torque at full load in Kgm

4647 Break away torque in % of full load torque48 Pull up torque in % of full load torque49 Pull out torque in % of full load torque

Bearing Insulationa) Ref. Ambient temp.b) Temp. rise by res. Methodc) Life d) Class & type e) Make f) Lubricating g) Temperature rise of bearing

Winding insulationa) Class & typeb) Tropicalised (Yes/No)c) Temp. rise over specified ambientof 50 degd) Method of temp. measurement

Temperature rise by1) By thermometer method2) By winding resistance method

Stator winding i) Connection ii) Type & nos. of terminals Brought out iii) Resistance between terminals at 20°C iv) Resistance per phase at 20°C v) Inductance per phase vi) Capacitance per phase vii) Resistance per phase viii) Resistance between terminals xi) insulation:class F(final temp of 150 c)with temp rise limited to class B( final temp of 130 c)



Torque (Kg-m) a) Starting at min. permissible voltag b) Rated

50 Starting torque51 LOSSES:52 Friction, Windage & Stray losses.53 Copper loss54 Iron loss55 Guaranteed losses(kW)56 REACTANCE:57 Steady state reactance58 Transient reactance59 Subtransient reactance60 Motor reactances (Pu)61 CABLE:

6263 Terminal arrangement and cable lugs for Ex'e' motor

6465 Power cable size66 RTD/LTD cable size67 Cable entry68 Space heater cable size69 Scope of supply of cable glands for cable control70 EXTERNAL CABLE DETAILS:71 size & number of cores72 EARTHING CONDUCTORS73 MISCELLANEOUS REQUIREMENT75 SHAFT ORIENTATION:76 mounting symbol77 rotation as seen from non-driven end78 whether bed plate required79 colour shades of plant if special80 cts for differential protection required81 vibration pads required82 temperature detectors / indicators83 COOLING:84 Cooling designation as per IS 636285 Method of cooling86 ENCLOSURE:87 Degree of protection of enclosure

8889 OTHERS:

90

9192 Type of duty & classes of rating assigned to rotating electrical machines

106 TCE

Type and size of cable for which gland is provided in the terminal box

For main terminal boxa) No. and type of cable gland :b) Recommended cable size (Armature/field) :c) Fault level (KA, sec) :

Degree of protection of terminal box for a) Main terminal box :b) Space heaters (AUX. TB)

Safe stall time at 100/110% rated voltage under hot/cold condition.

Starting time 1) With 100% voltage at terminals 2) With minimum voltage at terminals 3) With 110% voltage at terminals

108109 Permissible voltage variation112 Fly wheel moment (GD2) motor (Kg-m) 114 GD^2 of motor 115 Field current at rated speed (A)116 Field resistance (Ohm) at rated speed at 30 deg 117

118119 1st and 2nd critical speed120 Rated speed121 Grounding device

122124 Rated KW at 50 deg.c125 Rated KW at 40 deg.c128 Winding impulse voltage withstand

130

131

132133 maximum noise level at NL(AT 1 M distance)134 Maximum starting current

135137 temprature rise over design ambient

138

139140 Types of shorting links for neutral for CTs

141143 Fuall withstand capacity of TBs

Rated power supply voltag a) Armature circuit (v) b) Field (v)

at 30 deg C.

Resistance (Ohm) between terminals at 30 deg C.a) Armature :b) Series winding :c) Inter pole winding :d) Shunt winding resistance :

Space heater a) No. & location b) Volt & KW rating


Vibration level at motors at no load(a) centrifugal & screw comp or critical equipments 16 microns(peak to peak) and velocity of 3 mm/sec or as specified by is 12075, which ever is lower(b)All pump and rotary equipments:refer IS 12075

Balancing of rotor1) Motor speed 3000 rpm & turbo comp motor2) Other motor

Bi-directional rotation requiredIf yes, change of fan orientation is required

limiting temperature used to determine safe stall time1) startor2) rotor


Differential CTs1) motor rating2)To be mounted3)Scope of supply4)Dimension

144 Location of main TB as viewed from DE175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227

228229230231232233234235236237238239240241242243244245246247248249250282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312

313314315316317318319320321322323324325326327328

15kW 18.5kW 22kW 37kW 45kW54735915 54735949 54735972 93469955 93469971

55kW 75kW 90kW 110kW 132kW89266928 89266936 92663012 92663020 92663038

160kW 160kW54528773 23004880

REF AMBIENT TEMPERATURE REF AMBIENT TEMPERATURE

REF AMBIENT TEMPERATURE REF AMBIENT TEMPERATURE REF AMBIENT TEMPERATURE

data-sheet format -250kw_4pole_3.3kv_r02.xls

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