ENERGY EFFICIENT MOTORS

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Description

  • Globalisation has altered the equations for the Indian manufacturers. Today, the need to be economically competitive is of utmost importance and Energy-Efficient Motors offer the manufacturers just that.
  • All our Energy - Efficient Motors are characterized by low values of no-load currents and powers. These result in the superior values of power factor, through out the operating load range.
  • Energy Efficient Motors are designed to minimize losses both in the core and in the windings It will give better efficiencies at partial loads ( 50 %, 75 % ) also. Thus, there will be lesser generation of heat. This leads to a higher in-built thermal reserve.

 

Technical specification

Power Rating: 0.12 kW to 55 kW
Rated Speed : 750,1000,1500,3000 rpm

Test results
Efficiency levels of our following sizes are certified by EQDC (ELECTRONICS AND QUALITY DEVELOPMENT CENTER-Ghandhinagar)
Efficiency Values of 3 – Ø Squirrel Cage
Energy Efficient Induction Motor
Rating in kW
0.75
5.5
3.7
1.5
0.75
Syn. Speed
1500
1500
1500
1500
1500
Frame Size
132M
132S
112 M
90L
80
Date of Testing
02.08.11
02.08.11
02.08.11
02.08.11
02.08.11
Test Report No.
SPM/G-0711/0721-6/2011
SPM/G-0711/0721-5/2011
SPM/G-0711/0721-4/2011
SPM/G-0711/0721-2/2011
SPM/G-0711/0721-1/2011
F.L. Current 13.335 9.609 7.041 2.748 1.552
Eff. At 100 % Load
93.15
90.81
90.29
85.51
85.12
Power Factor at 100 % Load
0.84
0.88
0.81
0.89
0.79
Eff. At 75 % Load
94.25
90.61
90.73
85.83
82.41
Eff. At 50 % Load
94.07
89.66
89.52
82.76
75.17
The Following motors are with IE-3 efficiency level, certified by EQDC,Gandhinagar (Government Laboratory)
Advantages of Energy-Efficient Motors
  • EE motors can withstand wider voltage and frequency fluctuations and higher  ambient temperatures, without breakdown
  • EE motors can take occasional as well as continuous overloads, without damaging  winding.
  • The life of insulation of EE motors is considerably higher than that in standard motors, even when the same grade of insulation materials are used.
  • In the event of field repairs, the EE motors would retain its rated capacity (kW ratings), even when repairs are carried out by less skilled workers and in inexact conditions. [Stampings subjected to higher temperatures while removing burnt winding, incorrect coil sizes, errors in wire gauges etc.]
  • When motors run at partial loads, the savings of EE motors are even more pronounced as compared to the standard motors.

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