Motor energy efficiency evaluation mainly refers to or quotes GB/T1032 three-phase asynchronous motor test method, then which method is used for low-voltage three-phase asynchronous motor energy efficiency test? And what are the method steps? Specific Dalan Motor Xiaobian brings everyone to learn.
First, the energy efficiency test mainly has the following standard methods:
(1): Method A - Input-Output Method
(2): Method B - loss analysis and input-output method for indirect measurement of stray loss
(3): C method - loss analysis and feedback method Introduction to measuring stray loss
(4): E method - loss analysis and direct method to measure load stray loss
(5): E1 method - loss analysis and recommended load stray loss
(6): F method - equivalent circuit and direct method to measure load stray loss
(7): F1 method - equivalent circuit and recommended load stray loss
(8): G method - reducing voltage load method and direct method to measure load stray loss
(9): G1 method - reduce voltage load method and recommended load stray loss
(10): H method - circle chart method
Second, low-voltage three-phase asynchronous motor energy efficiency test method - B method:
GB/T18613 small and medium-sized three-phase asynchronous motor energy efficiency limit value and energy efficiency rating for motor energy efficiency test reference G / BT1032 three-phase asynchronous motor test method B method - measuring input power and output power loss analysis method.
Third, the test B method steps:
(1): Determine if the power supply meets the requirements
(2): Determine the accuracy of the meter range meets the requirements
(3): Motor inspection, nameplate data check; wiring diagram, wiring method check, etc.
(4): Determination of cold DC resistance
(5): Thermal test
(6): Load test
(7): No-load test
----- Editor-in-Chief: Dalan Oil Pump Motor 02-Procurement Consultant
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