IE3 motors : Premium efficiency motors. IE stands for International efficiency. Above efficiency class motors are in accordance with the standards IEC 60034-30:2008 and IS 12615:2011. These standards defines efficiencies for. Low rating motors from 0.75 kW to 375 kW.
What is IE rating in motor?
Internationally, there is a standard which stipulates the energy efficiency of low voltage AC motors, namely the International Efficiency (IE). The purpose of which is to promote higher energy efficiency to reduce the energy consumption and the energy cost of low voltage AC motors.
What is IE 1 and IE2?
IE1 (Standard Efficiency) IE2 (High Efficiency) IE3 (Premium Efficiency) IE4 (Super Premium Efficiency)
Which motor has very high efficiency?
Tests carried out on a 44 megawatt 6-pole synchronous ABB motor shortly before delivery showed an efficiency 0.25 percent greater than the 98.8 percent stipulated in the contract, resulting in the world record for electric motor efficiency.
What is IE in induction motor?
IE is “International Efficiency” with class 1, 2 & 3 i.e. IE1 & IE2 & IE3. … Over 70% of all electrical energy consumed in industries is used by the motors, hence improving the efficiency of electric motors can save energy as well as operating cost, which is more than its purchase cost.
What is the difference between IE2 and IE3 motor?
IE3=IP55, which improves the ability of the motor to dust and waterproof. Efficiency:IE3 average value is 91.5%, IE2 average value is 87%. … While high efficiency motors have higher efficiency and highly improved the power factor, and make all system saving energy.
What is IP55 protection in motors?
Standard industrial motors having a rating of IP55, normally considered ‘weatherproof’, are suitable for dry areas. The term ‘IP55’ is worth explaining. In simplified terms, the first number ‘5’ means ‘protection against dust’, and the second number ‘5’ means ‘protection against water’.
What is IEC standard for motor?
IEC Standards for electric motors In short: the International Electrotechnical Commission (IEC) standards are the uniform standards indicating the efficiency classes for electric motors. In 1999, the European Commission established different efficiency classes for electric motors.
Is standard for HT motor?
Standard Impak induction motors comply with requirements of B-1 and with BS 4999-Part 4, 30, 31, 42, 50, 51, 60, 61, 69 and 72 and Indian Standard IS 325, 8223, 4829 and other relevant Indian Standard Specifications. … Vertical Mounting HT Motor.
What does IE 1 mean in chemistry?
The ionization energy (IE) or ionization potential is the energy needed to remove an electron from an atom in the gaseous state. … The first ionization energy (IE1) is the energy needed to remove the first electron from the atom in gaseous state.
What is the meaning of IE in chemistry?
The ionization energy of a chemical species (i.e., an atom or molecule) is the energy required to remove electrons from gaseous atoms or ions.
How do you calculate motor efficiency?
Typical Motor Efficiency Values: Efficiency is simply output (useful) power divided by input power, with the difference being losses due to imperfections in design and other inevitabilities.
What is IE 3 in motor?
IE3 Motors (Premium Efficiency)
The IE3 motors lie in the IE3 class of the international efficiency standard. The output of the IE3 motors is 0.75kW to 355kW. The poles for the IE3 motors are 2, 4, 6, 8. The speed range of the IE3 motors is from 750rpm to 3600rpm.
Are muscles more efficient than motors?
Overall, I would say that from a net power/weight standpoint some motors can equal the performance of human muscles. From an power/energy input standpoint, human muscles are more efficient but also more affected by number of repetitions and duty cycle.
How do electric motors work?
Electric motors work by converting electrical energy to mechanical energy in order to create motion. Force is generated within the motor through the interaction between a magnetic field and winding alternating (AC) or direct (DC) current. … Electric Motors have an array of applications.