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The IE3 class will be mandatory from 1 January 2015 (7.5–375 kW) and 1 January 2017 (0.75–375 kW). [2] From June 1, 2021, three-phase motors from 0.75 kW to 1000 kW must meet at least IE3 efficiency. Electric motors from 0.12 kW to 0.55 kW must meet at least class IE2 efficiency. [3]
Premium efficiency, when used in reference to specific types of Electric Motors (with a rotating shaft), is a class of motor efficiency.. As part of a concerted effort worldwide to reduce energy consumption, CO 2 emissions and the impact of industrial operations on the environment, various regulatory authorities in many countries have introduced, or are planning, legislation to encourage the ...
The Canadian Electrical Code, CE Code, or CSA C22.1 is a standard published by the Canadian Standards Association pertaining to the installation and maintenance of electrical equipment in Canada. The first edition of the Canadian Electrical Code was published in 1927. [1] The current (26th) edition was published in March of 2024.
If energy output and input are expressed in the same units, efficiency is a dimensionless number. [1] Where it is not customary or convenient to represent input and output energy in the same units, efficiency-like quantities have units associated with them. For example, the heat rate of a fossil fuel power plant may be expressed in BTU per ...
It started to adopt appliance efficiency regulations in 1978, and has updated the standards regularly over time, and expanded the list of covered appliances. In 1988, California's standards became national standards for the U.S. through the enactment of the National Appliance Energy Conservation Act (NAECA). The federal standards preempted ...
Volume 4-2: Contactors and motor starters - Semiconductor motor controllers and starters for a.c. voltage Volume 5-1: Control apparatus and switching elements - Electromechanical control apparatus[1] Volume 6-1: Multi-function switchgear and controlgear - Mains switches (categories AC-32A/B)
DIN 66036 defines one metric horsepower (Pferdestärke, or PS) as the power to raise a mass of 75 kilograms against the Earth's gravitational force over a distance of one metre in one second: [17] 75 kg × 9.80665 m/s 2 × 1 m / 1 s = 75 kgf⋅m/s = 1 PS. This is equivalent to 735.49875 W, or 98.6% of an imperial horsepower.
Ontario—IESO Ontario Independent Electricity System Operator (Canada) OPEC—Organization of Petroleum-Exporting Countries (oil) OPRG—oxygenated fuels program reformulated gasoline (oil) OREC—ocean resource energy credits; ORNL—Oak Ridge National Laboratory (U.S.) (nuclear) OSHA—U.S. Department of Labor Occupational Safety and Health ...