10p01-1a-e-604-r00_hcsd_pump_motor

7/28/2019 10P01-1A-E-604-R00_HCSD_PUMP_MOTOR

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NOTES ON MOTOR APPLICATION, NAMEPLATE RATING &

DESIGN APPROACH BASE RATING

The subjectmotorwill be driven by variable voltage variable frequency power

controllerto

cater

to

the

Periodically

Pulsating

Torque

requirement

of

HCSD

Pumpcontinuouslyatanyspeedwithinthespeedband(138rpm1697rpm)of

pumpunderspecifiednormaloperation.

At rateddutypointoperationofpump [203m3/hr,4650kPa,1379rpm (M)], the

continuousRMSpower requirement frommotorwillnotbemore than300kW.

Thepump ishoweverselectedforamaximumdischargeof250m3/hrslurryflow

againstamaximumdischargepressureexposureup to7000kPawhen theRMS

Power requirement from motor will be around 519kW @ 1697rpm of motor

shaft.The

periodic

pulsation

of

torque

during

continuous

pump

operation

will

be

Maximum:113.5%,RMS:100.6%,Average:100%&Minimum:77.8%.

On the basis of above the motor is designed for an Approach Base Rating of

650kW@[email protected]

570kW@1493rpmandwillbe suitable for constant torqueoperation through

690VratedVVVFPowerControllerwithinaspeedbandof138rpm1697rpm.

REFERENCE DOCUMENT:

TITLE : TECHNICAL DATA SHEET : HCSD PUMP DCIPS DWG NO. : 10P011ADPH1

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Matrishri Usha Jayswal Mega Power Project

Phase # I & II (4 X 270 MW), Unit # 1 to 4ASH HANDLING SYSTEM

DCIPS Doc No :Main Supplier :Consultant :

10P01-1A-E-604DC Industrial Plant Services Pvt LtdDCPL

Page 1 of 5

Cl.NO.

CONTRACTORS NAMEPROJECT AND PACKAGE

MOTORS

1. GENERAL

a) Manufacturer & Country of origin Marathon Electric/ India

b) Equiment driven by motor HCSD Pump

c) Motor type Sq, Cage Induction motor

d) Quantity 2 Nos ( 1 for PH 1 + 1 for PH II )

e) Coupling Direct Flexible coupling

2.DESIGN AND PERFORMANCE DATA

i) Rated Voltage (volts) 690 V (Base Voltage)

ii) No. of Phases & Frequency 3 Ph, 56.8 Hz (Base Frequency)

iii) Permissible variation of

a) Voltage (volts) 10%

b) Frequency (Hz) 5%

c) Combined voltage and frequency 10%

iv) Minimum permissible starting Voltage (volts) 80%

v) Rated speed at rated voltage and frequency (rpm) 1698 (Base rpm)

vi) Direction of rotation as viewed from DE END Bi-Directional

vii) Derated rating for specified normal condition i.e. 50 deg.C ambient temperature (KW)

650 KW (Base KW rating)

viii) At base Voltage and frequency

a) Full load current Amps

b) No load current (Approx.) Amps.

577 Amps

265 Amps (Max.)

ix) Power Factor at

a) 100% load 0.87

b) 75% Load 0.83

c) 50% Load 0.72

d) No load 0.072

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10P01-1A-E-604

DC Industrial Plant Services Pvt Ltd

DCPL

Page 2 of 5

Cl.

NO.

CONTRACTORS NAME

PROJECT AND PACKAGE

e) Starting 0.22

f) At duty point 0.86

x) Efficiency at rated voltage and frequency (%)

a) 100% load 95.0%

b) 75% load 94.5%

c) 50% load 93.5%

xi) Starting current (Amps) at

a) 100% voltage 720% FLC (4154.5 A) (Butdepends on VFD)

b) 85% voltage 610% FLC (3519.7 A) (But depends on VFD)

c) 80% voltage 575% FLC (3317.8 A) ( But depends on VFD)

xii) Starting time with minimum permissible voltagea) Without driven equipment coupled 0.8 secs (But depends on VFD)

b) With driven equipment coupled 5.5 secs (But depends on VFD)

xiii) Safe stall time with 110% of rated voltage (Sec.)

a) From hot conditionb) From cold condition

20 Secs25 Secs

xiv) Torques ;

a) Starting torque at min. permissible voltage (kg-mtr.) 90%FLT (But depend on VFD)

b) Pull up torque at rated voltage (Kgm) 130%FLT (But depend on VFD)

c) Pull out torque (Kgm) 330%FLTd) Min. accelerating torque (Kgm.) available 35%FLT (But depends on VFD)

e) Rated Torque (Kg.m) 372.7 KgM

xv) Stator winding resistance per phase in ohms at 20Deg.c) Approx

0.00811

xvi) GD2 value of motor / Load (Kgm) 76 KgM / 16 KgM(max.)

xvii) No. of permissible successive starts when & motor is in

a) Hot condition 2

b) Cold condition 3

xviii)

a) Locked rotor KVA input 4965

b) Locked rotor KVA / KW 7.64

xix). Bearings

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Page 3 of 5

Cl.NO.


a) Type DE: NU230-C3 / NDE: 6220-C3

b) Manufacturer SKF/FAG/Equiavalent

c) Self Lubricated or forced Lubricated Self Lubricated

d) Recommended Lubricants Sheel Alvania RL 3e) Guaranteed Life in Hours 50,000 Hrs

xx) Vibration

a) Velocity (mm/s) 2.8 mm/sec (As per IS:12075)

b) Displacement (microns) 50 microns (As per IS:12075)

xxi) Noise Level (DB) 85 dB @ 1.5 meter (As per IS:12065)

3. CONSTRUCTIONAL FEATURES

i. Applicable standard to which motor generally conforms IS:325, 1996

ii. Frame Size FDC450F3

iii. Type of duty Continious duty / inverter duty

iv. Type of enclosure and method of cooling, Degree ofprotection.

TEFC / IC411 / IP55

v. Type of mounting Horizontal Foot (B3)

vi. Stator winding Insulation

a) Class & Type Cl `F with temp. rise limited to Cl B /Mica based resin poor VPI insulation systemb) Tropicalised (Yes / No) Yes

c) Temperature rise over specified max.

i) Cold water temperature of 38 deg. C. NA

ii) Ambient Air 50 deg. C. 70 Deg.C

d) Method of temperature measurement Winding resistance method

e) Stator winding connection Delta

f) Number of terminals brought out 6 Nos.

vii. Type of terminal box for

a) Stator leads Std. typeb) Space heater Std. type

c) Temperature detectors Std. type

d) Instrument switch etc. NA

iii. For main terminal box

a) Location LHS from DE

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Page 5 of 5

Cl.NO.


pads

xvi. Paint shade RAL 5012

xvii. Weight of (approx.)

a) Motor Stator(kg) 3000 Kgb) Motor Rotor (kg) 1500 Kg

c) Total Weight(kg) 4500 Kg

4. CHARACTERISTIC CURVES

i.Torque speed characteristic of the motor Enclosedii. Thermal withstand characteristic Enclosed

iii. Starting current Vs. Time Not Enclosediv. Starting current Vs. speed Not Enclosedv. Neg. sequence current vs Time Not Enclosedvi. P.F and Efficiency. Vs. Load Enclosedvii. Calibration curves of PTC & BTD Enclosed

Note:1) All above performance figures are subject to IS tolerance.2) All above performance figures are at base Voltage & Frequency and at base KW rating

Aux. Motor Detals:

Rating / Pole : 5.5 KW / 4 Pole

Supply Voltage : 415V +/-10%Frequency / Phase : 50 Hz +/-5%, 3 Ph.

Direction of rotation : Clockwise form DE.

ADDITOINAL FEATURES FOR VFD MOTORS.

i) Insulated bearing housing at NDE side will be provided.ii) 6 Nos. PTC130 thermistors for windings are providediii) External & Internal earthing facility provided on terminal box.

iv) Mica based resin poor VPI insulation system provided for windings.

Details related to VVVF drive :*Suitable for IGBT Drive* Voltage Rise Time > 0.1 sec.* Peak Voltage : 3000 V (Max.)

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Marathon Electric

EFFICIENCY & POWER FACTOR VS % LOAD CURVE

(without VFD)

570 KW, 4 POLE, 690 V, FDC450F3 Motor

Customer : APRL

85

85.5

86

86.5

87

87.5

88

88.5

89

89.5

90

90.5

91

91.5

92

92.5

93

93.5

94

94.5

95

95.5

50 75 100

% LOAD

%EFFICIENCY

0.4

0.42

0.44

0.46

0.48

0.5

0.52

0.54

0.56

0.58

0.6

0.62

0.64

0.66

0.68

0.7

0.72

0.74

0.76

0.78

0.8

0.82

0.84

0.86

0.88

0.9

0.92

POWERFACTOR

EFFICIENCY POWER FACTOR

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Temp. VS Resistance Characteristi c o f PT100 BTD

0

20

40

60

80

100

120

140

160

180

200

0 50 100 150 200 250

Temp. ( Deg. C )

Resistance(Ohm)

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10p01-1a-e-604-r00_hcsd_pump_motor

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